[0001]
　The present invention is a communication system, a base station, access point management device, terminal, communication method, a relay method and a program, in particular a communication system for performing wireless LAN communication, the base station, the access point management device, terminal, communication method, a relay method, and about the program.
Background technique
[0002]
　In recent years, smart phones have spread rapidly, the user holding a smart phone, to increase the opportunity to access to the so-called Internet, has received a variety of services via the smartphone. Moreover, in the future, the user to hold the smartphone, has been studied to provide a low delay and broadband services than the current. In providing low delay and broadband services, communication system using MEC (Mobile Edge Computing) in Non-Patent Document 1 is described.
[0003]
　MEC is deployed close RAN (Radio Access Network) Cloud computing resources in proximity to the mobile subscriber, a device that provides application services. Mobile subscribers, a contract with the mobile operator, is a subscriber to be able to use the mobile phone terminal or a smart phone or the like via a mobile network. MEC for providing application services, by being deployed in a position close to the mobile subscriber, it is possible to realize a low-delay data transmission.
[0004]
　In addition, the rapid spread in recent years of the smart phone, also has been a problem proliferation of data in the mobile network. Therefore, the mobile communication carrier constructs a wireless LAN communication area, by offloading traffic of the mobile network to the wireless LAN (Local Area Network) system, thereby reducing the data to be communicated in a mobile network. To increase the offloaded to the wireless LAN system, by a wireless LAN communication area is increased, a user holds the smartphone has increased the opportunity to access to the wireless LAN system.
[0005]
　Therefore, future mobile communication area of ​​the mobile operator of the mobile network is formed by a base station which manages, it is assumed that the wireless LAN communication area becomes scattered. Further, in order to provide seamless handover between the mobile communication area and the wireless LAN communication area to a mobile subscriber, it is also assumed to increase opportunities to accommodate traffic of a wireless LAN system to the core network.
[0006]
　Patent Document 1, a wireless LAN network, a handover operation between the PS (Packet Switch) network is a mobile telephone network, it is described that performed using the IMS (Internet Protocol Multimedia Subsystem).
[0007]
　Patent Document 2 and Patent Document 3, a mobile phone is described the configuration of a communication system connecting the mobile phone carrier network from any of the wireless LAN networks and the mobile phone network.
CITATION
Patent Literature
[0008]
Patent Document 1: JP 2007-325191 Patent Publication
Patent Document 2: JP 2015-23303 JP
Patent Document 3: JP-T 2015-504267 Patent Publication
Non-Patent Document
[0009]
非特許文献1 : Mobile-Edge Computing-Introductory Technical White Paper September 2014
Summary of the Invention
Problems that the Invention is to Solve
[0010]
　MEC is deployed in the vicinity of the basic base station. Therefore, if the communication terminal MEC in the vicinity of the base station communicating is deployed, the communication terminal can receive the service MEC provides. However, the communication terminal is moved mobile communication area and may travel to the wireless LAN communication area that dot mobile communication area. Thus, when the communication terminal moves to a wireless LAN communication area, traffic to a communication terminal becomes to be offloaded from the mobile network to the wireless LAN system. Traffic is offloaded to the wireless LAN system, it is not possible intervention of the base station of the mobile network, the communication terminal, it is impossible to continue to receive services using MEC vicinity of the base station seamlessly.
[0011]
　Further, in Patent Document 1, and PS network and a wireless LAN network is a cellular telephone network, are connected via the IMS, also in Patent Documents 2 and 3, and a wireless LAN network and the mobile phone network mobile phone carrier network or via the core network is connected. Therefore, in Patent Documents 1-3, a mobile terminal that has moved to a wireless LAN network, it is impossible to communicate with the base station that is located in the mobile phone network. Than this, the communication terminal including a mobile terminal, via the base station of a cellular telephone network, a server or the like that are deployed in the vicinity of, for example, a low latency service or services and that is limited to the base station if the receiving, in the mobile communication system disclosed in Patent documents 1 to 3, the communication terminal, it is impossible to continue to receive the service.
[0012]
　As described above, this problem is not limited to MEC, it occurs for services provided in mobile networks.
[0013]
　An object of the present invention, the mobile communications area, in an environment in which a wireless LAN communication area are scattered, even if the communication terminal is connected to the wireless LAN communication system in the mobile communication area is provided in a mobile network communication system which can continue to receive and have services, base station, access point management device, terminal, communication method, and to provide a relay method, and program
Means for Solving the Problems
[0014]
　Communication system according to a first aspect of the present invention, a base station forming a mobile communication area, the mobile communication area, the access point forming a wireless LAN communication area, the access point that manages a plurality of the access point a management device, the communication terminal located in the mobile communication area, and a application server for providing the application service through the base station, the communication terminal, the wireless LAN communication at the mobile communication area If you moved from outside the area to the wireless LAN communication area, the access point management unit sets a data transmission path between the base station, relay data transmission between the communication terminal and the base station it is intended to.
[0015]
　The base station according to the second aspect of the present invention, in the mobile communication area when the device itself forms a wireless LAN communication area is formed by the access point are provided an application service from an application server via the own device when the communication terminal moves from outside the wireless LAN communication area at the mobile communication area to the wireless LAN communication area, a communication unit for setting a data transmission path between the access point management unit for managing the access point , in which and a processing unit that controls to transmit to the communication terminal via the data transmission path set data related to the application service.
[0016]
　Third access point management device according to the aspect of the present invention, provided in the mobile communication area for a base station forms a wireless LAN communication area is formed by the access point, the application service from an application server via the base station If the actual communication terminal moves from outside the wireless LAN communication area at the mobile communication area to the wireless LAN communication area, a communication unit for setting a data transmission path between the base station, the data transmission using path, in which and a processing unit for relaying data relating to the application service to be transmitted between said base station and said communication terminal.
[0017]
　Terminal according to the fourth aspect of the present invention, in the mobile communication area for a base station forms, when moving from outside the wireless LAN communication area to which the access point forms to the wireless LAN communication area, the application server provides application services, in which a wireless LAN communication unit received from the access point management unit via the setting data transmission path between the access point management unit for managing the access point with the base station.
[0018]
　Communication method according to a fifth aspect of the present invention, in the mobile communication area for a base station forms a wireless LAN communication area is formed by the access point are provided an application service from an application server via the base station when the communication terminal moves from outside the wireless LAN communication area at the mobile communication area to the wireless LAN communication area, to set the data transmission path between the access point management unit that manages the access point, the application the data associated with the service, and transmits to the communication terminal via the data transmission path set.
[0019]
　Sixth relay method according to an aspect of the present invention, in the mobile communication area formed by the base station, is formed a wireless LAN communication area by the access point, provided the application service from an application server via the base station when the communication terminal who is has moved from outside the wireless LAN communication area at the mobile communication area to the wireless LAN communication area, to set the data transmission path between the base station, using the data transmission path, is intended for relaying data associated with the application service to be transmitted between said base station and said communication terminal.
[0020]
　Program according to a seventh aspect of the present invention, in the mobile communication area formed by the base station, is formed a wireless LAN communication area by an access point, communication via a base station from the application server are provided application services If the terminal moves from outside the wireless LAN communication area at the mobile communication area to the wireless LAN communication area, to set the data transmission path between the access point management unit that manages the access point, the application service the relevant data, and to execute the sending to the communication terminal via the data transmission path set in the computer.
Effect of the invention
[0021]
　The present invention, in the mobile communication area, in an environment in which a wireless LAN communication area is dotted, communication terminal even when connected to a wireless LAN communication system in the mobile communication area, were provided in a mobile network communication system which can continue to receive service, the base station, the access point management unit, the terminal may provide a communication method, a relay method, and a program.
BRIEF DESCRIPTION OF THE DRAWINGS
[0022]
FIG. 1 is a configuration diagram of a communication system in the first embodiment.
FIG. 2 is a configuration diagram of a communication system according to the second embodiment.
3 is a block diagram of an eNB according to the second embodiment.
4 is a block diagram of a UE according to the second embodiment.
5 is a configuration diagram of a TWAN configuration device according to the second embodiment.
6 is a diagram showing a flow of a handover process of the UE according to the second embodiment.
7 is a diagram showing the flow of the handover process of the UE according to the second embodiment.
8 is a diagram showing a flow of a handover process of the UE according to the third embodiment.
9 is a diagram showing a flow of the handover process of the UE according to the fourth embodiment.
10 is a diagram showing a flow of a handover process of the UE according to the fifth embodiment.
11 is a diagram showing a flow of the handover process of the UE according to the fifth embodiment.
12 is a configuration diagram of a communication system in the first embodiment.
DESCRIPTION OF THE INVENTION
[0023]
　(Embodiment 1)
　Hereinafter, with reference to the drawings will be described embodiments of the present invention. First, a configuration example of a communication system according to a first embodiment of the present invention will be described with reference to FIG. Communication system of FIG. 1, the base station 10, the access point 20, the access point management unit 30 has an application server 40 and communication terminal 50.
[0024]
　The base station 10 forms a mobile communications area. Mobile communication area, a communication area constituted by cells or sectors. Communication terminal 50 located mobile communication area base station 10 is formed, for example, communicate with the base station 10 using a 3GPP (3rd Generation Partnership Project) LTE is defined radio communication standard in (Long Term Evolution) it may be carried out.
[0025]
　The access point 20 forms a wireless LAN communication area in mobile communication area. Communication terminal located in a wireless LAN communication area 50 communicates with the access point 20 using the wireless LAN communication is defined wireless communication standard in IEEE (The Institute of Electrical and Electronics Engineers) 802, and the like. Wireless LAN communication area is formed so as to overlap with a portion of the area of ​​the mobile communications area. In FIG 1 shows that it is one of the wireless LAN communication area is formed in the mobile communication area, a plurality of wireless LAN communication area may be formed in the mobile communication area.
[0026]
　Access point management device 30 manages a plurality of access points 20. In other words, the access point management unit 30, the aggregation of multiple access points 20. The access point management unit 30 may perform authentication processing of the communication terminal 50 or the like located in the wireless LAN communication area of ​​the access point 20 is formed.
[0027]
　Application server 40, the communication terminal 50 located mobile communication area for a base station 10 is formed to provide an application service through the base station 10. For example, the application server 40 may provide a video distribution service or the like to the communication terminal 50.
[0028]
　Communication terminal 50 is a mobile telephone terminal, may be a computer device or the like having a smartphone or communication function. Communication terminal 50 has a function of performing the base station 10 and the access point 20 and wireless communication.
[0029]
　Here, the communication terminal 50, in the mobile communication area, the operation of the case moved from outside the wireless LAN communication area to the wireless LAN communication area. In this case, the access point management unit 30 sets the data transmission path between the base station 10. By data transmission path is established between the access point management unit 30 and the base station 10, base station 10 transmits data to the communication terminal 50 and the destination access point management device 30. The access point management unit 30 transmits the data transmitted from the communication terminal 50 via the access point 20 to the base station 10. That is, the access point management device 30 will relay data transmission between the base station 10 and the access point 20.
[0030]
　As described above, by using the communication system of FIG. 1, the communication terminal 50, a mobile in a communication area, even when moving from outside the wireless LAN communication area to the wireless LAN communication area, communication terminal 50 it can communicate with the base station 10 via the access point 20 and the access point management device 30. From this, the communication terminal 50 is a mobile communication area, in a state undergoing services utilizing the application server 40 outside the wireless LAN communication area, even when moving to the wireless LAN communication area, it is possible to continue to receive services that take advantage of the application server 40.
[0031]
　Next, an example of the configuration of a communication system according to a first embodiment of the present invention with reference to FIG. 12, to add more explanation. Communication system of FIG. 12 further includes a service network 45. In addition, the access point 20, the access point for wireless LAN: is (Access Point AP). For example, the application Quai application server 40 may provide a video distribution service or the like to the communication terminal 50. App Ke application server 40, can also be regarded as MEC server. On the other hand, the service network 45, the communication terminal 50, a network that can be accessed from the mobile communication area and wireless LAN communication area. Service network 45 may be, for example, a PDN (Packet Data Network) or the Internet or the like.
[0032]
　Here, the communication terminal 50, in the mobile communication area, the operation of the case moved from outside the wireless LAN communication area to the wireless LAN communication area. In this case, the access point management unit 30 sets the data transmission path 30-P between the base station 10. By data transmission path 30-P between the access point management unit 30 and the base station 10 is set, the base station 10 transmits the data to the communication terminal 50 and the destination access point management device 30. The data transmission path 30-P may be a logical connection may be a physical connection may be a connection by wireless. It is also possible to apply the X2 interface is a base station between the interfaces defined by 3GPP specifications for data transmission paths 30-P. The access point management unit 30 transmits the data transmitted from the communication terminal 50 via the access point 20 to the base station 10. Access point management device 30 communicates with the application server 40 via the base station 10. In other words, the application server 40 provides the application service through the base station 10, the access point management device 30 and access point 20 to the communication terminal 50.
[0033]
　As described above, the access point management unit 30 may set the data transmission path 30-P between the base station 10 to the communication terminal 50 is communicating. Communication Therefore, the communication terminal 50 in the mobile communication area, even when moving from outside the wireless LAN communication area to the wireless LAN communication area, a base station 10 via the access point 20 and the access point management device 30 It can be performed. From this, the communication terminal 50 is a mobile communication area, in a state undergoing services utilizing the application server 40 outside the wireless LAN communication area, even when moving to the wireless LAN communication area, it is possible to continue to receive application services that leverage the application server 40.
[0034]
　(Second Embodiment)
　Subsequently, a configuration example of a communication system according to Embodiment 2 of the present invention will be described with reference to FIG. Communication system of FIG. 2 is constituted by a node device operation are defined in 3GPP. Communication system of FIG. 2, eNB (evolved NodeB) 60, AP (Access Point) 71 ~ 73, TWAN (Trusted Wireless Access Network) configuration device 80, MEC90, SGW (Serving Gateway ) 100, PGW (Packet Data Network Gateway) 110, MME (Mobility Management Entity) 120, HSS (Home Subscriber Server) 130, PCRF (Policy and Charging Rules Function) 140, AAA (Authentication Authorization Accounting) 150, UE (User Equipment) 160 and PDN (Packet Data Network) 170 have.
[0035]
　eNB60 corresponds to the base station 10 of FIG. AP71 ~ 73 correspond to the access point 20 in FIG. 1. TWAN configuration device 80 corresponds to the access point management device 30 of FIG. 1. MEC90 corresponds to the application server 40 in FIG. 1. UE160 corresponds to the communication terminal 50 of FIG. 1.
[0036]
　eNB60 as wireless communication system, a base station that can be used LTE defined in 3GPP. MME120 performs call processing control related UE160 located mobile communication area for eNB60 forms. Control messages transmitted in the call processing control may be referred to as C-Plane (Control Plane) data. SGW100 and PGW110 is an apparatus for transmitting user data related to UE 160. The user data may be referred to as a U-Plane (User Plane) data.
[0037]
　HSS130 is a server device that holds the subscriber data concerning the subscriber contract with mobile communication carrier. PCRF140 is a device for controlling the policies concerning billing or QoS in mobile networks. PDN170 is a different network than the mobile network to mobile communication operators to manage. PDN170 may be a network to other telecom operators to manage, may be a so-called Internet.
[0038]
　TWAN configuration device 80 is a device for managing a plurality of AP (AP71 ~ 73). For example, Twan configuration device 80 is performed, the AP71 ~ 73 authentication process UE160 located in the wireless LAN communication area for forming such using AAA150. Further, Twan configuration device 80 relays the user data to be transmitted in between the UE160 is located in the wireless LAN communication area of ​​AP71 ~ 73 forms ENB60.
[0039]
　Further, Twan configuration device 80, UE 160 may have moved to a wireless LAN communication area formed by the AP71 ~ 73, sets the data transmission path 80-P between the UE 160 is performing communication ENB60.
[0040]
　UE160 is used in 3GPP, a mobile telephone terminal is a generic term for a mobile communication terminal such as a smartphone.
[0041]
　2 shows that the mobile communication area for eNB60 forms are included wireless LAN communication area AP71, AP72 and AP73 is formed. Accordingly, UE 160 is, moving the mobile communications area, sometimes moves so as to pass through the wireless LAN communication area. In other words, UE 160, moving the mobile communications area, sometimes moving to straddle the wireless LAN communication area.
[0042]
　Further, UE 160, moving the mobile communications area, which may enter the wireless LAN communication area. Sometimes, UE 160 may also be moved so as to pass through the wireless LAN communication area.
[0043]
　Next, an example of the configuration of the eNB60 according to a second embodiment of the present invention will be described with reference to FIG. eNB60 is, S1AP communication unit 601, S1AP call processing unit 602, RRC (Radio Resource Control) processing section 603, the wireless processing unit 604, GTP (General Packet Radio Service Tunneling Protocol) -U (S1) communication unit 605, GTP-U (S1) includes a processing unit 606, Context storage unit 607, GTP-U (X2) processing unit 608, GTP-U (X2) communication unit 609, X2AP processing unit 610 and the X2AP communication unit 611.
[0044]
　eNB60 may be a computer system processor operates by executing a program stored in the memory. The components constituting the eNB60, the processor may be a software or module processing is performed by executing a program stored in the memory. The components constituting the eNB60 may be configured by the circuit.
[0045]
　S1AP communication unit 601 is used as an interface when communicating with MME 120. S1AP call processing unit 602 uses the information stored in the Context storage unit 607, executes a call process between the MME 120.
[0046]
　S1AP call processing section 602 transmits and receives messages about call processing between a MME120 via the S1AP communication unit 601. Further, S1AP call processing unit 602 uses the information stored in the Context storage unit 607, selects the MME to perform the call processing.
[0047]
　RRC (Radio Resource Control) processing section 603 performs processing related to the RRC protocol used between the UE 160. For example, RRC processing unit 603 may perform a process of managing the connection state between the UE 160. The radio processing unit 604 is used as an interface when communicating UE160 wirelessly.
[0048]
　GTP-U (S1) communication unit 605 is used as an interface when communicating with SGW100. GTP-U (S1) processing unit 606, through the GTP-U (S1) communication unit 605 performs transmission and reception of user data between the SGW100.
[0049]
　Or, GTP-U (S1) communication unit 605 is used as an interface when communicating with MEC90, GTP-U (S1) processing unit 606, through the GTP-U (S1) communication unit 605, a MEC90 transmitting and receiving user data between the.
[0050]
　Context storage unit 607, information of the MME to be connected when performing call processing related UE160 sent from MME120 is stored. Further, Context storage unit 607 may include connection information, etc. to TWAN configuration device 80 needed to establish an X2 connection between the TWAN configuration device 80. Connection information to TWAN configuration device 80, for example, may be an IP address of TWAN configuration device 80.
[0051]
　GTP-U (X2) communication unit 609 is used as an interface when communicating with TWAN configuration device 80. GTP-U (X2) processing unit 608, through the GTP-U (X2) communication unit 609 performs transmission and reception of user data between the TWAN configuration device 80.
[0052]
　X2AP communication unit 611 is used as an interface when communicating with TWAN configuration device 80. X2AP processing unit 610 via the X2AP communication unit 611 transmits and receives control data between the TWAN configuration device 80.
[0053]
　Next, an example of the configuration of the UE160 according to a second embodiment of the present invention will be described with reference to FIG. UE160 includes a wireless LAN communication unit 161, the wireless LAN processing unit 162, LTE communication unit 163, RRC processing unit 164, NAS (Non Access Stratum) processor 165 and the access selection control unit 166.
[0054]
　Wireless LAN communication unit 161 is used as an interface when communicating with TWAN configuration device 80 via any of AP71 ~ 73. Wireless LAN processing unit 162 performs transmission and reception of data between the TWAN configuration device 80 via the wireless LAN communication unit 161.
[0055]
　LTE communication unit 163 is used as an interface when communicating with ENB60. RRC processing unit 164 performs communication using the RRC protocol between the ENB60. RRC processor 164, the communication using the RRC protocol, performed via the LTE communication unit 163. NAS processor 165 performs processing related NAS messages used in communication between the MME 120. NAS processor 165 sends the NAS message to eNB60 through the LTE communication unit 163.
[0056]
　Access selection control unit 166, depending on the field intensity of the indication message and LTE and wireless LAN transmitted from eNB60 or TWAN configuration device 80, selects whether to communicate with one or TWAN configuration device 80 communicates with the eNB60 . Access selection control unit 166, if you choose to communicate with TWAN configuration unit 80, and instructs the execution of the communication processing to the wireless LAN processing unit 162. Access selection control unit 166, if you choose to communicate with ENB60, instructs the execution of the communication process to the RRC processing unit 164 and the NAS processor 165.
[0057]
　Subsequently, exemplary configuration of TWAN configuration device 80 according to a second embodiment of the present invention will be described with reference to FIG. TWAN configuration device 80 includes a TWAG (Trusted WLAN Access Gateway) 710 and TWAP (Trusted WLAN AAA Proxy) 720. TWAG710 and TWAP720 may be a different apparatus may be configured as the same device. TWAG710 is, S2a communication unit 711, S2a processing unit 712, Context storage unit 713, GTP-U (X2) processing unit 714, GTP-U (X2) communication unit 715, X2AP processing unit 716, X2AP communication unit 717, AP-friendly and a U-Plane processing unit 718 and the AP for U-Plane communication unit 719.
[0058]
　Context storage unit 713, the communication relating to UE 160, stores information about the eNB and PGW that TWAG710 is selected as the connection destination.
[0059]
　S2a communication unit 711 is used as an interface when communicating with PGW110. S2a processing unit 712 performs transmission and reception of user data between the PGW110 via the S2a communication unit 711. For example, TWAG710, when not subject to services using MEC90 through ENB60, communicates with PGW110 via the S2a communication unit 711.
[0060]
　GTP-U (X2) communication unit 715 is used as an interface when communicating with ENB60. GTP-U (X2) processing unit 714 performs transmission and reception of user data between the eNB60 via GTP-U (X2) communication unit 715.
[0061]
　X2AP communication unit 717 is used as an interface when communicating with ENB60. X2AP processing unit 716, between the eNB60 via X2AP communication unit 717, to set the transmission path of the data, and transmits and receives control data.
[0062]
　For example, TWAG710 communicates with ENB60 through a case for receiving the services using MEC90 through eNB60, GTP-U (X2) the communication unit 715 and X2AP communication unit 717.
[0063]
　In other words, TWAG710 is, UE 160 moves to a wireless LAN communication area of ​​AP71 ~ 73 forms, if continue to receive service UE 160 is utilizing MEC90 through eNB60, GTP-U (X2) the communication unit 715 and X2AP It communicates with eNB60 via the communication unit 717.
[0064]
　AP for U-Plane communication unit 719 is used as an interface for communicating with AP71 ~ 73. AP for U-Plane processing unit 718 performs transmission and reception of user data between the AP71 ~ 73 via the AP for U-Plane communication unit 719.
[0065]
　For example, AP for U-Plane communication unit 719 receives the user data transmitted from the UE160 through AP71. AP for U-Plane communication unit 719 outputs the user data received to the AP for U-Plane processing unit 718.
[0066]
　Next, a configuration example of TWAP720. TWAP720 has a STa communication unit 721, STa processing unit 722, Context storage unit 723, AP for C-Plane processing unit 724 and the AP for C-Plane communication unit 725.
[0067]
　STa communication unit 721 is used as an interface for communicating with AAA150. STa processing unit 722, a AAA150 via the STa communication unit 721 transmits and receives data for performing the authentication process.
[0068]
　Context storage unit 723, STa processing unit 722 stores information about AAA150 performing authentication processing. Further, Context storage unit 723, in cooperation with the Context storage unit 713, to share information concerning the route for transmitting data relating to UE 160.
[0069]
　Or, Context storage unit 723, in cooperation with the Context storage unit 713, to share information on the authentication result of the UE160 executed in AAA150.
[0070]
　AP for C-Plane communication unit 725 is used as an interface for communicating with AP71 ~ 73. AP for C-Plane processing unit 724 performs transmission and reception of control data between the AP71 ~ 73 via the AP for C-Plane communication unit 725.
[0071]
　For example, AP for C-Plane communication unit 725 receives data necessary for authentication transmitted from the UE160 through AP71. Data required for authentication may be, for example, identification information of the UE 160. AP for C-Plane processing unit 724, while outputting data regarding the authentication received via the AP for C-Plane communication unit 725 to the Context storage unit 723.
[0072]
　Further, AP for C-Plane processing unit 724, the information about the result of the authentication processing is executed UE160 in AAA150, and transmits to the AP71 via the AP for C-Plane communication unit 725.
[0073]
　Subsequently, the flow of the handover processing UE160 according to a second embodiment of the present invention will be described with reference to FIGS. 6 and 7, UE 160 is, in the mobile communication area, the operation of the case of moving from the outside the wireless LAN communication zone formed by AP71 to a wireless LAN communication area of ​​AP71 forms.
[0074]
　First, ENB60 is to UE160 to indicate the measurement of the radio strength, RRC: sending a Measurement Control message (S11). Radio strength, for example, signal strength, may be referred to as a radio field intensity or field strength. eNB60, along with radio strength of the radio signal eNB located around the UE160 transmits the LTE communication, RRC contents to instruct the UE160 as AP is also measured radio strength of a radio signal transmitted by the wireless LAN communication: to set the Measurement Control message.
[0075]
　Next, UE 160 detects a radio signal transmitted from AP71 (S12). Next, UE 160 has established information associating the identification information of the radio strength and the base station or AP71 of the detected radio signal RRC: sending a Measurement Report message to eNB60 (S13). For example, UE 160 includes a radio strength of a radio signal transmitted from the detected AP71 in step S12, the SSID of AP71 is broadcast (Service set identification) or BSSID (Basic service set identification) RRC: Set Measurement Report message it may be.
[0076]
　Here, UE 160 is only information about the AP that eNB60 not to send information on all AP detected to eNB60 specifies RRC: may be set to Measurement Report message. For example, ENB60 the information about the AP that can establish a connection may be distributed as broadcast information or the like. UE160, when detecting radio signals for a plurality of AP, may transmit information regarding only the AP specified in the broadcast information or the like distributed from ENB60 to ENB60.
[0077]
　In other words, UE 160, when detecting a plurality of AP in step S12, may be controlled so as not to transmit the information about all AP detected to ENB60. For example, UE 160 may only information about the AP that eNB60 specifies RRC: may be set to Measurement Report message.
[0078]
　Then, ENB60 is, RRC: based on the information set in the Measurement Report message, it decides to handover to AP71 under TWAN configuration device 80 the UE 160 (S14). Here, ENB60, if it is possible to establish a connection with the TWAN configuration unit 80, decides to handover to TWAN configuration device 80. In other words, ENB60 is not be able to establish a connection with the TWAN configuration device 80, it may not be handed over to AP71 under TWAN configuration device 80 the UE 160.
[0079]
　Then, ENB60 is stored in Context storage unit 607, based on the information needed to connect to the TWAN configuration device 80, X2AP to TWAN configuration device 80: Send Handover Request message (S15). When UE160 connects to Twan configuration device 80, Twan configuration device 80, it is necessary to determine whether the X2 connections and UE160 to set between the eNB60 corresponds. Therefore, ENB60 the identification information of X2 connection to be set due to the handover of the UE 160 X2AP: set to Handover Request message. Interface between the TWAN configuration device 80 and eNB60 is defined as X2 interface in 3GPP. X2 connection identification information, between the TWAN configuration device 80 and ENB60, or may be route information set via the X2 interface.
[0080]
　Furthermore, ENB60 is, TEID of ENB60 specifying when TWAN configuration device 80 transmits data to the eNB60 (Tunnel Endpoint Identifier) ​​(hereinafter, referred to as eNB UL TEID) X2AP: set the Handover Request message.
[0081]
　Furthermore, ENB60, for example, the security information for generating key information used for encryption or decryption, etc. X2AP: set to Handover Request message. Security information may, for example, X2AP: may be included in the AS Security Information in Handover Request message.
[0082]
　TWAN configuration device 80 may perform the confidentiality processing defined in IEEE802.1x, the confidentiality processing defined in IEEE802.1x without using the security information carried using the security information transmitted from the eNB60 it may be. Further, Twan configuration device 80, UE 160 is a mobile communication area, if you move to the wireless LAN communication area outside, X2AP: a security information set in Handover Request message sent to ENB60.
[0083]
　Next, Twan configuration device 80, X2AP: as a response to the Handover Request message, X2AP: a Handover Request Ack message to send to the eNB60 (S16). Twan configuration device 80, TEID of Twan configuration device 80 eNB60 specified when transmitting data to Twan configuration device 80 (hereinafter, referred to as Twan DL TEID) the X2AP: set to Handover Request Ack message. TWAN configuration device 80 X2AP: by sending a Handover Request Ack message to eNB60, X2 connection is established between the TWAN configuration device 80 and ENB60.
[0084]
　Then, ENB60, in order to instruct to initiate a connection to the AP71 that TWAN configuration device 80 manages, RRC: a Handover Indication message transmitted to the UE 160 (S17). eNB60 the identification information of X2 connection RRC: may be set to Handover Indication message.
[0085]
　Subsequently, the flow proceeds to FIG. 7, UE 160 starts connection processing (Non-3GPP Access) between the TWAN configuration device 80 (S18). Next, the UE 160, between the TWAN configuration device 80, between the TWAN configuration device 80 AAA150, further, between the AAA150 the HSS 130, the authentication processing is executed (S19).
[0086]
　Next, UE 160, in between the TWAN configuration device 80, starts the Attach processing (Attach trigger) (S20). UE160 from mobile communications area, in order to indicate that it has moved to a wireless LAN communication area of ​​AP71 forms, RRC step S17: the Handover Indication identification information of X2 connection obtained in messages between steps S18 ~ S20 , it may be transmitted to the TWAN configuration device 80.
[0087]
　For example, UE 160 may set the identification information of X2 connection to the EAP (Extensible Authentication Protocol) payload to be sent when the authentication process in step S19. Or during step S18 ~ S20, UE 160 may set the identification information of X2 connection to the DHCP (Dynamic Host Configuration Protocol) message to be sent for IP address acquisition.
[0088]
　Next, Twan configuration device 80, UE 160 is, if it is determined to have been moved to the wireless LAN communication zone formed by AP71 from the mobile communication area formed by ENB60, X2AP to ENB60: transmitting a UE IP address Request message ( S21).
[0089]
　TWAN configuration device 80, information indicating the wireless LAN as RAT (Radio Access Technology) Type, further the SSID and BSSID X2AP: set to UE IP address Request message. Further, Twan configuration device 80, by applying the ECGI (E-UTRAN Cell Global ID), may set the information indicating the wireless LAN as a RAT Type. ECGI is configured from a PLMN (Public Land Mobile Network) ID and ECI (E-UTRAN Cell Identity). Furthermore, ECI is composed of a eNB ID and Cell ID.
[0090]
　In other words, Twan configuration device 80, using the ECGI (E-UTRAN Cell Global ID), may set the information indicating the wireless LAN as a RAT Type.
[0091]
　Then, ENB60 is to MME 120, S1AP: transmitting a UE IP address Request message (S22). eNB60, the information indicating the wireless LAN as a RAT Type, further the SSID and BSSID S1AP: set to UE IP address Request message. Further, ENB60 is by applying the ECGI, it may set the information indicating the wireless LAN as a RAT Type.
[0092]
　In other words, ENB60 utilizes ECGI, may set the information indicating the wireless LAN as a RAT Type.
[0093]
　Next, MME 120 is to SGW100, GTP-C: sends a Modify Bearer Request message, further, SGW100 is to PGW110, GTP-C: sending a Modify Bearer Request message (S23).
[0094]
　MME120 and SGW100 information indicating the wireless LAN as a RAT Type, further the SSID and BSSID GTP-C: set to Modify Bearer Request message. Further, MME 120 and SGW100 utilizes or extend the ULI (User Location Information) IE, it may be set RAT Type, SSID and BSSID.
[0095]
　Then, PGW110 is, the Diameter: transmits RAR the (Re-Authentication Request) message to the PCRF140 (S24). Along with the RAT Type is changed to a wireless LAN, to change the policy or charging rules or the like, PGW110 transmits the Diameter RAR message to PCRF140. Therefore, when RAT Type is due to that it has been changed to a wireless LAN, there is no need to change the policy or charging rules or the like, PGW110 is, the Diameter: may not transmit the RAR message to PCRF140.
[0096]
　Then, PCRF140 is, the Diameter: the Diameter response to RAR message: RAA (Re-Authentication Answer) sends a message to the PGW110 (S25). Next, PGW110 and SGW100 is, GTP-C: Modify Bearer Request GTP-C as a reply to the message: a Modify Bearer Response message transmitted to SGW100 and MME 120 (S26).
[0097]
　GTP-C: Modify the Bearer Response message, PAA (PDN Address Allocation) IP address assigned to UE160 to IE are set. IP address assigned to UE 160 is, UE 160 is a mobile communication area for ENB60 forms, outside the wireless LAN communication area, is the same as the IP address that was used when communicating with ENB60.
[0098]
　Next, MME 120 is, S1AP: in response to UE IP address Request message S1AP: transmitting a UE IP address Response message to eNB60 (S27). MME120 is, GTP-C: a Modify Bearer Response UE160 IP address set in the message S1AP: set to UE IP address Response message.
[0099]
　Then, ENB60 is, X2AP: in response to UE IP address Request message X2AP: transmitting a UE IP address Request Ack message to TWAN configuration device 80 (S28). eNB60 is, S1AP: the IP address of the UE160 set in UE IP address Response message X2AP: set to UE IP address Request Ack message. TWAN configuration device 80, X2AP: executes processing for completing the Attach processing between the receives the UE IP address Request Ack message UE160 (Attach completion) (S29). eNB60, when completing the Attach process, the UE 160, and notifies the IP address assigned to the UE 160.
[0100]
　As described above, by using the communication system according to a second embodiment of the present invention, UE 160 may, upon handover to the wireless LAN communication zone formed by AP71 from the mobile communication area formed by ENB60, and ENB60 data transmission path is set up between the TWAN configuration device 80. Therefore, UE 160, in the after handover to the wireless LAN communication areas, communication can be continued with ENB60. Therefore, UE 160 may continue to receive services provided by MEC90 through ENB60.
[0101]
　Further, in FIG. 7, the IP address used UE 160 is in wireless LAN communication area, UE 160 has been described PGW110 is paid out handle IP address used in the mobile communication area. Other than this, for example, IP addresses may be paid out by the HSS. Furthermore, Twan configuration device 80, from the UE 160, may also receive information about the IP address used in mobile communications area, receives information about the IP address of UE 160 from eNB60 which has been used by the mobile communication area it may be.
[0102]
　Further, in FIG. 6, after step S14, ENB60 may autonomously explore TWAN configuration device 80. That, ENB60, if does not hold the information needed to advance connected to TWAN configuration device 80, autonomously searches the TWAN configuration device 80. For example, to define a new interface between the MME120 and TWAN configuration device 80, ENB60, via a newly defined interface, information necessary to connect to the TWAN configuration device 80, for example, IP address it may be acquired or the like. Or, HSS 130 may holds the information needed to connect to the TWAN configuration device 80, ENB60 may obtain the information necessary to connect from HSS 130 to TWAN configuration device 80.
[0103]
　(Third Embodiment)
　Subsequently, the flow of the handover processing UE160 according to the third embodiment of the present invention will be described with reference to FIG.
[0104]
　In this figure, UE 160 is, in the mobile communication area, the operation of the case of moving from the outside the wireless LAN communication zone formed by AP71 to a wireless LAN communication area of ​​AP71 forms.
[0105]
　First, UE 160 detects a radio signal transmitted from the AP (S31). Next, UE 160 can, RRC sent from eNB60 in step S17 in FIG. 6: without receiving a message associated with handover as the Handover Indication message, a connection process to TWAN configuration device 80 in steps S32 ~ S34 do. Step S32 ~ S34 of FIG. 8, a detailed description thereof will be omitted because it is similar to that of steps S18 ~ S20 of FIG. 7.
[0106]
　Next, Twan configuration device 80, decides to handover the UE160 to Twan configuration device 80 under the AP (S35). Here, Twan configuration device 80, if it is not possible to set a connection between the ENB60, to release the connection between the UE 160, may reject a connection with the UE 160. In other words, Twan configuration device 80, if it is not possible to set a connection between the ENB60, may be returned off the connection of the UE160 to ENB60. Or, Twan configuration device 80, if it is not possible to set a connection between the ENB60, may be set a connection between the PGW110.
[0107]
　Next, Twan configuration device 80, similarly to step S21 in FIG. 7 to eNB60 X2AP: transmitting a UE IP address Request message (S36). Step S37 and step S38, a detailed description thereof will be omitted because it is similar to that of steps S15 and S16 in FIG. 6. Moreover, Step S38 and later, the process of steps S22 ~ S29 of FIG. 7 is executed. In Figure 8, it omitted describe step S38 and subsequent steps.
[0108]
　As described above, by using the communication system according to a third embodiment of the present invention, it is possible TWAN configuration device 80 determines the handover execution UE 160. Than this, the communication system according to the third embodiment, it is possible to set the data transmission path between the likewise eNB60 and TWAN construction device 80 in the second embodiment.
[0109]
　Moreover, by determining the execution of the handover TWAN configuration device 80, the processing burden on eNB60 compared to the second embodiment is reduced.
[0110]
　Further, in FIG. 8, after step S35, Twan configuration device 80 may be autonomously explore ENB60. That, Twan configuration device 80, when not holding the information needed to connect the pre ENB60, autonomously searching the ENB60. For example, to define a new interface between the MME120 and Twan configuration device 80, Twan configuration device 80 via the newly defined interface, information necessary to connect to ENB60, for example, the ENB60 IP addresses and the like may be acquired. Or, HSS 130 may holds the information needed to connect to ENB60, Twan configuration device 80 may acquire the information needed to connect from HSS 130 to ENB60.
[0111]
　(Embodiment 4)
　Subsequently, the flow of the handover processing UE160 according to the fourth embodiment of the present invention will be described with reference to FIG. Handover process of FIG. 9, UE 160 is a mobile in a mobile communication area, illustrating a flow of processing in moving to a wireless LAN communication area outside to form the AP71 from the wireless LAN communication area of AP71 forms . Further, in FIG. 9, it is assumed that the RRC connection between the UE160 and eNB60 are released.
[0112]
　Specifically, in FIG. 9, when the UE160 has moved to a wireless LAN communication area formed by AP71, it is assumed that the RRC connection between the UE160 and eNB60 are released.
[0113]
　UE160, when the intensity of the radio signal transmitted from the TWAN configuration device 80 is lowered than a predetermined threshold value, the strength of the signal transmitted from the eNB60 increases than a predetermined threshold, RRC to eNB60 : to send a RRC Connection Request message (S41).
[0114]
　Then, ENB60, in order to connect the UE160 to ENB60, to TWAN configuration device 80 X2AP: transmitting a UE IP address Request message (S42). Next, Twan configuration device 80, X2AP: in response to UE IP address Request message X2AP: transmitting a UE IP address Request ack message to eNB60 (S43). Here, Twan configuration device 80, when the UE160 performs handover to Twan configuration device 80, when receiving the security information from ENB60, X2AP security information received: Setting the UE IP address Request ack message good. Then, ENB60 determines to switch the connection destination of the UE160 from TWAN configuration device 80 to eNB60 (S44).
[0115]
　Then, ENB60, in order to establish an RRC connection between the UE 160, RRC: sending a RRC Connection Setup message to the UE 160 (S45). Next, UE 160 can, RRC: as a response to RRC Connection Setup message, RRC: transmits the RRC Connection Setup Complete message to eNB60 (S46).
[0116]
　Step S46 and subsequent processing of steps S22 ~ S29 of FIG. 7 is executed. 9 are omitted describe step S46 and subsequent steps.
[0117]
　As described above, by using the communication system according to a fourth embodiment of the present invention, UE 160 may be handed over from TWAN configuration device 80 to ENB60. Thus, UE 160 is a service that has been received from MEC90 through TWAN configuration device 80 can receive through the after handover ENB60.
[0118]
　(Embodiment 5)
　Subsequently, the flow of the handover processing UE160 according to a fifth embodiment of the present invention will be described with reference to FIG. Handover process of FIG. 10, UE 160 is a mobile in a mobile communication area, illustrating a flow of processing in moving to a wireless LAN communication area outside to form the AP71 from the wireless LAN communication area of AP71 forms . Further, in FIG. 10, it is assumed that the RRC connection between the UE160 and eNB60 are maintained.
[0119]
　Specifically, in FIG. 10, be moved to the wireless LAN communication area which UE160 is formed by AP71, it is assumed that the RRC connection between the UE160 and eNB60 are maintained.
[0120]
　UE160, when the intensity of the radio signal transmitted from the TWAN configuration device 80 is lowered than a predetermined threshold value, the strength of the signal transmitted from the eNB60 increases than a predetermined threshold, RRC to eNB60 send any Request message using the protocol (S51). For example, UE 160 can, RRC to ENB60: may transmit the Measurement Reports messages.
[0121]
　Then, ENB60 determines to switch the connection destination of the UE160 from TWAN configuration device 80 to eNB60 (S52). Step S52 and subsequent processing of steps S22 ~ S29 of FIG. 7 is executed. In Figure 10, it omitted describe step S52 and subsequent steps. Further, in FIG. 9, RRC: RRC Connection Setup message and RRC: for it RRC Connection Setup Complete message has been transmitted and received, in FIG. 10, which is maintained RRC connection between the UE160 and ENB60, RRC : RRC Connection Setup message and RRC: receiving the RRC Connection Setup Complete message is not required.
[0122]
　Next, the flow of the handover processing UE160 according to a fifth embodiment of the present invention, a description is given of the flow of processing that is different from that in FIG 10 with reference to FIG. 11. 11, unlike FIG. 10, Twan configuration device 80 sends a signal that triggers the switching processes in ENB60 to ENB60.
[0123]
　First, Twan configuration device 80, by the UE160 has moved to a wireless LAN communication area outside, connection between the AP71 and UE160 is detected to be disconnected (S61). Next, Twan configuration device 80 detects that the connection between the AP71 and UE160 is disconnected, X2AP: the Indication message transmitted to the eNB60 (S62). Then, ENB60 determines to switch the connection destination of the UE160 from TWAN configuration device 80 to eNB60 (S63). Step S63 thereafter, the processing of steps S22 ~ S29 of FIG. 7 is executed. In Figure 11, it omitted describe step S63 and subsequent steps.
[0124]
　As described above, by using the communication system according to a fifth embodiment of the present invention, UE 160 may be handed over from TWAN configuration device 80 to ENB60. Thus, UE 160 is a service that has been received from MEC90 through TWAN configuration device 80 can receive through the after handover ENB60. The processing in FIGS. 10 and 11, for communication using the RRC connection is maintained between the UE160 and ENB60, it can be compared to the process in FIG. 9, to reduce the number of signals .
[0125]
　In the embodiment described above, the invention has been described as a hardware configuration, the present invention is not limited thereto. The present invention relates to a communication terminal (e.g. UE), a process in the base station 10 (e.g., eNB) and an access point management device 30 (e.g. TWAN configuration device) is implemented by executing a computer program to a CPU (Central Processing Unit) it is also possible.
[0126]
　In the above example, the program may be stored using a non-transitory computer readable media of various types (non-transitory computer readable medium), it can be supplied to the computer. Non-transitory computer readable media include with various types of entities (tangible storage medium). Examples of non-transitory computer readable media include magnetic storage media (such as floppy disks, magnetic tape, hard disk drive), magneto-optical recording medium (e.g. optical disk), CD-ROM (Read Only Memory), CD-R, CD-R / W, a semiconductor memory (e.g., a mask ROM, PROM (Programmable ROM), EPROM (Erasable PROM), flash ROM, RAM (Random Access memory)) includes a. The program may be provided to a computer using a temporary computer readable media of various types (transitory computer readable medium). Examples of transitory computer readable media include electric signals, optical signals, and electromagnetic waves. Transitory computer readable media, wired communication path such as electrical wires and optical fibers, or via a wireless communication path can provide the program to a computer.
[0127]
　The present invention is not limited to the above embodiments, but can be appropriately changed without departing from the spirit.
[0128]
　Although the present invention has been described with reference to the embodiments, the present invention is not limited by the foregoing. Configuration and details of the present invention, it is possible to make various modifications that those skilled in the art can understand within the scope of the invention.
[0129]
　Th
is application claims priority based on Japanese Patent Application No. 2015-108456, filed on May 28, which was filed on March 17, 2015 Japanese Patent Application No. 2015-053052 and 2015, the It incorporates all of the disclosure herein.
DESCRIPTION OF SYMBOLS
[0130]
　10 the base station
　20 the access point
　30 the access point management unit
　40 the application server
　45 service network
　50 communication terminal
　60 eNB
　71 AP
　72 AP
　73 AP
　80 Twan configuration device
　90 MEC
　100 SGW
　110 PGW
　120 MME
　130 HSS
　140 PCRF
　0.99 AAA
　160 UE
　161 wirelessly LAN communication unit
　162 wireless LAN processing unit
　163 LTE communication unit
　164 RRC processing unit
　165 NAS processor
　166 accesses the selection controller
　170 PDN
　601 S1AP communication unit
　602 S1AP call processing unit
　603 RRC processing unit
　604 radio unit
　605 GTP-U (S1 ) communication unit
　606 GTP-U (S1) processing unit
　607 Context storage unit
　608 GTP-U (X2) processing unit
　609 GTP-U (X2) communication unit
　610 X2 AP processing unit
　611 X2AP communication unit
　710 TWAG
　711 S2a communication unit
　712 S2a processor
　713 Context storage unit
　714 GTP-U (X2) processing unit
　715 GTP-U (X2) communication unit
　716 X2AP processor
　717 X2AP communication unit
　718 AP for U-Plane processing unit
　719 AP for U-Plane communication unit
　720 TWAP
　721 STa communication unit
　722 STa processor
　723 Context storage unit
　724 AP for C-Plane processing unit

　725 AP for C-Plane communication unit
The scope of the claims
[Claim 1]
　A base station forming a mobile communication area,
　the mobile communication area, the access point forming a wireless LAN communication area,
　the access point management unit for managing a plurality of the access points,
　a communication terminal located in the mobile communication area relative, and a application server for providing the application service through the base station,
　when the communication terminal has moved from outside the wireless LAN communication area at the mobile communication area to the wireless LAN communication area ,
　the access point management unit,
　sets the data transmission path between the base station and relays the data transmission between the communication terminal and the base station, communication system.
[Claim 2]
　The base station,
　the communication terminal, wherein when moving from outside the wireless LAN communication area in a mobile communication area to the wireless LAN communication area, identification information indicating that the communication terminal is in communication with the own device and transmits to the access point management device, a communication system according to claim 1.
[Claim 3]
　The base station,
　the communication terminal, wherein when moving from outside the wireless LAN communication area in a mobile communication area to the wireless LAN communication area, a message indicating that the to the communication terminal, a handover to the access point It transmits communication system according to claim 1 or 2.
[Claim 4]
　The base station
　transmits the communication terminal, wherein when moving from outside the wireless LAN communication area in a mobile communication area to the wireless LAN communication area, the data for the communication terminal addressed to the access point management device to, the communication system according to any one of claims 1 to 3.
[Claim 5]
　The base station,
　the communication terminal, when moving from the mobile communication said wireless LAN communication area in the area to the wireless LAN communication area outside communicates with the communication terminal sets the communication terminal and the radio network the communication system according to any one of claims 1 to 4.
[Claim 6]
　The base station,
　the communication terminal, when moving from the mobile communication said wireless LAN communication area in the area to the wireless LAN communication area outside to the access point management device, the communication terminal and the access point management device It transmits a message instructing to release the radio line between the communication system according to claim 5.
[Claim 7]
　In the mobile communication area for forming the device itself, is formed a wireless LAN communication area by the access point, the wireless LAN communication communication terminal that is provided with an application service from an application server via the own device in the mobile communication area If the outside area has moved to the wireless LAN communication area,
　a communication means for setting a data transmission path, between the access point management unit that manages the access point
　the the data associated with the application service is configured base station and a control processing unit to transmit to the communication terminal via a data transmission path.
[8.]
　In the mobile communication area for a base station forms a wireless LAN communication area is formed by the access point, the wireless LAN the communication terminal by the base station from the application server via the offered application services in the mobile communication area If you move from outside the communication area to the wireless LAN communication area,
　a communication means for setting a data transmission path between the base station,
　using the data transmission path, between the communication terminal and the base station access point management unit and a processing unit for relaying data relating to the application service to be transmitted in.
[Claim 9]
　In the mobile communication area for a base station forms, when moving from outside the wireless LAN communication area to which the access point forms to the wireless LAN communication area, the application service by the application server provides, the access point with the base station a wireless LAN communication means for receiving from the access point management unit via the setting data transmission path between the access point management device for managing the terminal.
[Claim 10]
　In the mobile communication area for a base station is formed, is formed a wireless LAN communication area by the access point, the wireless LAN communication is a communication terminal that is provided with an application service from an application server via the base station at the mobile communication area If the outside area has moved to the wireless LAN communication area,
　to set the data transmission path between the access point management unit that manages the access point,
　the data associated with the application service, the data transmission is set transmitting to the communication terminal via a path, the communication method in a base station.
[Claim 11]
　In the mobile communication area for a base station forms a wireless LAN communication area is formed by the access point, the wireless LAN the communication terminal by the base station from the application server via the offered application services in the mobile communication area If you move from outside the communication area to the wireless LAN communication area,
　to set the data transmission path between the base station,
　using the data transmission path is transmitted between said communication terminal and the base station the relays data related to the application service, the relay method in an access point that.
[Claim 12]
　In the mobile communication area for a base station is formed, is formed a wireless LAN communication area by the access point, the wireless LAN communication is a communication terminal that is provided with an application service from an application server via the base station at the mobile communication area If the outside area has moved to the wireless LAN communication area,
　to set the data transmission path between the access point management unit that manages the access point,
　the data associated with the application service, the data transmission is set non-transitory computer readable medium having a program to be executed by a computer to transmit to the communication terminal via a path are stored.
[Claim 13]
　In the mobile communication area for a base station forms a wireless LAN communication area is formed by the access point, the wireless LAN the communication terminal by the base station from the application server via the offered application services in the mobile communication area If you move from outside the communication area to the wireless LAN communication area,
　to set the data transmission path between the base station,
　using the data transmission path is transmitted between said communication terminal and the base station non-transitory computer-readable medium in which the program for executing to relay data related to the application service on the computer is stored that.