MOBILE TERMINAL AND NETWORK UNIT FOR MULTI-WIRELESS
TECHNOLOGIES
The invention relates to a mobile terminal for transmitting a first signaling signal according to a first wireless technology to a first network and for transmitting a second signaling signal according to a second wireless technology to a secbnd network, the first signaling signal comprising first information for informing the first network, the second signaling signal comprising second information for informing the second network, and the first and second wireless technologies being different from each other.
Examples of the first wireless technology and/or of the second wireless technology are UMTS, GPRS, GSM, DECT, wireless LAN and BLUETOOTH
A prior art mobile terminal is of common general knowledge and comprises for example a triband or quad band mobile terminal. Such a mobile terminal hgs! the capability to communicate via three or four different wireless technologies, apart from further wireless technologies such as Bluetooth etc., The mobile terminal can for example send a response or an indication to a first network by sending first information to this first network and can for example send a response or an indication to a second:network by sending second information to this second network.
The known mobile terminal is disadvantageous, inter alia, owing to the fact that it irrelatively inefficient. The mobile terminal for example sends a response or an indication to different networks by sending different signals, according .to different technologies to the different networks, in a relatively non coordinated way
It is an object of the invention, inter alia, to provide a mobile terminal as defined above which is relatively efficient.
The mobile terrninal according, to the invention is characterized in that the first signaling signal comprises the first information and comprises the second, information
By adding the second information to the first signaling signal
which already comprises the first information, the mobile terminal for example sends a response or an indication to the first network directly
and to the second network indirectly by sending the first information and the second information via the first signaling signal according to the first technology to the first network and the first network for example relays the second information to the second network, this all in a relatively coordinated way. This way, the mobile terminal sends a response or an indication to only one network, but both networks are informed, the first network directly and the second petwork indirectly. As a result, the mobile terminal according to the invention is relatively efficient.
The mobile terminal according to the invention is further
advantageous in that .the, power consumption of the mobile terminal is reduced. The first wireless technology and/or the second wireless
technology can be UMTS, GPRS; GSM, DECT, wireless LAN and
BLUETOOTH, but can also be a sfurther wireless technology to be
developed yet, such as 4G The fact that both wireless technologies are
different from each other comprises a use of different frequency bands
and/or wavelengths, a use of different time slot schemes and/or
modulation schemes and/or- coding schemes, without excluding further
different wireless technologies.1 - V"1
An embodiment of the /mobile terminal according to the invention is characterized in that the first information comprises first location information; and the second information comprises second location information.
The first network for example regularly broadcasts a first area identification per -cell area the moble terminal reacts by sending back the first loccation information 4o acknowledge its presence in the cell area. The second network for example regularly broadcasts a second area identification per cell area and the mobile terminal reacts by sending back the second location information to acknowledge its presence in the cell area. According to the invention, the first location information and the second location information are not sent back separately via separate signaling signals, but are sent back combinedly via the first signaling signal. This might also be done in response to the broadcasted first area identification without being triggered by a broadcast of the second area identification.
An embodiment of the mobile terminal according to the invention is characterized in that the first information comprises first paging-response information and the second information comprises second paging-response infonmation
The first networkfor example sends a first paging-request and the mobile terminal reacts by sending back the first paging-response information to acknowledge its readiness to accept a call. The second network for example sends a 'second paging-request and the mobile terminal reacts by sending back -the second paging-response information to acknowledge its readiness to accept a call. According to the invention, the first paging-response information and the second paging-response information are not sent back separately via separate signaling signals, but are sent back combinedly via the first signaling signal. This might .also be done in .response to the first paging-request without being triggered by a transmission of the second paging-request.
An embodiment of the mobile terminal terminal according to the invention is characterized in, that the mobile terminal comprises a
terminal controller for selecting the first signaling signal carrying the first and second information.
The terminal controller selects the first signaling signal to carry the first and second information, Which selection is based on for example
terminal characteristics such as a signal quality, a signal strength, a
power consumption etc.
The invention also relates to a network unit for use in
combination with a mobile terminal for transmitting a first signaling signal according to a first wireless technology to a first network and for transmitting a second signaling signal according to a second wireless technology to a second network, the first signaling signal comprising first information for informing the first network, the second signaling signal comprising second information for informing the second network, and the first and second wireless technologies being different from each other, which network unit according to the invention is characterized in that the first signaling signal: comprises the first information and comprises the second information, the netwrk unit forming part of the first network
and being arranged to'extract the second information from the first
signaling signal and to relay .this second information to the second
network. An embodiment of the network unit according to the invention is characterized in that the first information comprises first location information and the seqond information comprises second location information.
An embodiment of the network unit according to the invention is characterized in that the first information comprises first paging-response information and, the second information comprises second paging-response information
An embodiment of the network unit according to the invention is characterized inthat the network unit comprises a network controller
for selecting the, first signaling signal carrying the first and second information.
The network controller selects the first signaling signal to carry the first and second information, which selection is based on for example network characteristics such as network congestion, network traffic, costs etc., and is arranged to inform the mobile terminal thereof.
The invention also relates'to a method for transmitting a first signaling signal according to a first .wireless technology to a first network and for transmitting a .second signaling signal according to a second wireless technology to a second, network, the first signaling signal comprising first information .for informing the first network, the second signaling signal comprising, second information for informing the second network, and the first and second wireless technologies being different from each other, which method is characterized in that the first signaling signal comprises the first information and comprises the second information.
The invention also. relates to a processor program product for transmitting a first signaling signal according to a first wireless technology to a first network and for transmitting a second signaling signal according to a second wireless technology to a second network, the first signaling signal comprising first information for informing the first network, the second signaling signal comprising .second information for informing the second network, and. the first and second wireless technologies being different from each other, which processor program product is characterized in that the first signaling signal comprises the first information and comprises the second information.
The invention also realtes to a first signaling signal for use in combination with a,mobile terminal for transmitting the first signaling signal according to, a first wireless technology to a first network and for transmitting a second signaling signal according to a second wireless
technology to a second network, the first signaling signal comprising first information for informing the first network, the second signaling signal comprising second information for informing the second network, and the first and second wireless technologies being different from each other, which first signaling signal is characterized in that the first signaling signal comprises the first information and comprises the second information.
Embodiments of the method according to the invention and of the processor program product according to the invention and of the first signaling signal according to the invention correspond with the
relevant embodiments of the mobile terminal according to the invention.
The invention is based upon an insight, inter alia, that the different networks in the prior art are relatively non coordinated, and is based upon a basic idea, inter alia, that the different networks according to the invention should be made relatively coordinated by letting a signaling signal comprise the first information as well as the second informationThe invention solves the problem inter alia, to provide a mobile terminal which is relatively efficient, and is advantageous, inter alia, in that the power consumption of the mobile terminal is reduced and in that the signaling efficiency is increased.These and other aspects of the invention will be apparent from and elucidated with,. reference Jo the embodiments(s) described hereinafter. Fig. 1 shows, diagrammatically a system comprising a mobile terminal according to the invention and a first network with a network unit according to the invention and a second network,
Fig. 2 shows diagrammitacly a mobile terminal according to the invention in greater detail, and
Fig. 3 shows diagrammatically a network unit according to the invention in greater detail..
The system 1 shown in Fig. 1 comprises a mobile terminal 2 according to the inventip.pi and a first network 3 with a first network unit 5 according to the invention and a second network 4 with a second network unit 6 according to the invention. The first network unit 5 is coupled to a station 7 for serving a first service area 41 and to a station 9 for serving a third service, area 43. The second network unit 6 is coupled to a station 8 for serving a second service area 42 and to a station 10 for serving a fourth service area 44. The mobile terminal 2 sends a first signaling signal 11 to the station 7 and sends a second signaling signal 12 to the station 8, and receives a third signal 13 from the station 7 and receives a fourth signal 14 from the station 8.
The mobile terminal 2 according to the invention shown in Fig. 2 comprises a man machine interface 20 coupled to a terminal controller 21. The terminal controller 21 is coupled to a receiver system 23 comprising a first receive 29 and , a second receiver 30 and to a transmitter system 25 comprising a first transmitter 33 and a second transmitter 34. The receivers 29, 30 and the transmitters 33,34 are coupled via an interface 26 to an antenna. The terminal controller 21 and the receiver system 23 are. further coupled to a detector system 22 comprising a first detecto 27 and a second detector 28. The terminal controller 21 and the transmitter system 25 are further coupled to a generator system 24 .comprising a first generator 31 and a second generator 32.
The network unit 5 according to the invention shown in Fig. 3 comprises a switch 50 coupled to the stations 7,9 and to a transmitter 51 and to a receiver 54.,The transmitter 51 js coupled to a network controller 55 and to a generator system 52 comprising a first generator 57 and a
second generator 58 and also couple to the network controller 55. The
receiver 54 is coupled to the network controller 55 and to a detector system 53 comprising a first detector 59 and a second detector 60 and also coupled to the network controller 55. The switch 50 is further
coupled to an interface 56 further coupled to the network controller 55
and to a fixed network. The network controller 55 is further coupled to the
network unit 6
The second network unit 6 not shown comprises a switch 70 coupled to the stations 8,10 and to a transmitter 71 and to a receiver 74. The transmitter 71 is coupled to a network controller 75 and to a generator system 72 comprising a first generator 77 and a second generator 78 and also coupled to the network controller 75. The receiver 74 is coupled to the network controller 75 and to a detector system 73 comprising a first detector 79 and a second detector 80 and also coupled to the network controller 7.5. The switch 70 is further coupled to an interface 76 further coupled to the network controller 75 and to a
fixed network. The network, controller 75 is further coupled to the network
controller 55 of the network unit 5.
The first receiver '29 and the first transmitter 33 and the stations 7,9 operate in accordance with, a first wireless technology, and the second receiver 30 and the second; transmitter 34 and the stations 8,10 operate in accordance with a second wireless technology. The first wireless technology and/or the second wireless technology can be UMTS, GPRS; GSM, DECT, wireless LAN and BLUETOOTH, but can also be a further wireless technology to be developed yet, such as 4G.
In a prior art ..situation a pjior art mobile terminal comprises for example a tri band pr quad band mobile terminal. Such a mobile terminal has the capability: to communicate via three or four different wireless technologies, apart from further wireless technologies such as Bluetooth etc. The mobile terminal can for example send a response or an indication to the first network 3 by sending to this first network 3 the
tirst signaling signal 11 comprising first information for informing this first network 3 and can for example send a response or an indication to the second network 4 by sending to this second network 4 the second signaling signal 12 comprising second information for informing this second network 4, This is relatively inefficient. The mobile terminal for example sends a response, or an indication to different networks by sending different; signals according to different technologies to the different networks in a relatively hon coordinated way.
According to the invention; the mobile terminal 2 according to the invention sends the first signaling signal 11, which comprises the first information and comprises the second information.
By adding the second information to the first signaling signal 11 which already comprises the first information, the mobile terminal 2 for example sends a response, or an Indication to the first network 3 directly and to the second network 4 indirectly by sending the first information and the second information via the first signaling signal 11 according to the first technology to the ..first network 3 and the first network 3 for example relays the second information to the second network 4, this all in a relatively coordinated.way. This way, the mobile terminal 2 sends a response or an indication to only-one network 3, but both networks 3 and 4 are informed, the first, network ,3-idirectly and the second network 4 indirectly. As a result the mobille terminal 2 according to the invention is relatively efficient
The mobile terminal 2 according to the invention is further advantageous in that .the power consumption of the mobile terminal is reduced. The first information comprises for example first location information and the second information comprises for example second location information. The first network 3 for example regularly broadcasts a first area, identification per cell area (or service area) via the third
signal 13 and the mobile terminal 2 reacts by sending back the first location information to acknowledge its presence in the cell area. The second network 4 for example regularly broadcasts a second area identification per cell area (or service area) via the fourth signal 14 and the mobile terminal 2 reacts by sending back the second location information to acknowledge its presence in the cell area. According to the invention, the first location information and the second location information are not/sent bock separately via separate signaling signals 11 and 12, but are sent back combinedly via the first signaling signal 11. This might also be done in response to the broadcasted first area identification without being triggered by a broadcast of the second area identification. Alternatively,,the first information comprises for example first paging-response inforrnatiqn qnd |he second information for example comprises second paging-response information. The first network 3 for example sends a first paging-request via the third signal 13 and the mobile terminal 2 reacts/by sending back the first paging-response information to acknowledge its jeapliness to accept a call. The second network4 for example sends, a second paging-request via the fourth signal 14 and the mobile terminals to react by sending back the second paging-response information to acknowledge its readiness to accept a call. According to the invention, the first paging-response information and the second .paging-response. information are not sent back separately via separate signaling signals 11 and 12, but are sent back combinedly via the first signaling signal 11. This might also be done in response to the first pagipg-request -without being triggered by a transmission of the sepond, pgging-request.
The terminal controller 21 for example selects the first signaling signal 11 carrying the first pnd.second information. This is for example done based on for example a.signal quality, a signal strength, a power
consumption etc. Such parameters can be detected via the detector 27
with respect to the first wireless technology and via the detector 28 with respect to the second wireless technology.
The generator 3 for example generates the first information and the generator 32 for example generates the second information. The receiver 29 receives for example the first area identification from the first network 3 or the first paging-request from the first network 3 for example via the third signal 13. The receiver 30 receives for example the second area identification from the second network 4 or the second paging-request from the second network 4 for example via the fourth signal 14. The transmitter 33 transmits for example the first signaling signal
11. The transmitter 34 transmits for example the second signaling signal
Alternatively the network controller 55 for example selects the first signaling signal 11 carring the first and second information. This is for example done based, on for example network congestion, network traffic, costs etc. Such parameters can be detected via the detector 59 with respect to the first wireless technology and via the detector 79 (not shown) with respect to, the second, wireless technology, whereby both network controllers 55 and 75 (not .shown) might need to negotiate with each other. The network controller 55 is further arranged to inform the mobile terminal 2 thereof-. Thereto, for example the generator 57 generates an instruction to be transmitted via for example the third signal 13 and to be received viator-example the receiver 29. In response to this instruction, the terminal controller 21 will take action.
The detector 60;for example detects the first information and the second information in the first signaling signal 11, and the network controller 55 extracts the second information and supplies it to the network controller,75:, The generator 58 for example generates the first
area identification and/or the first paging-request. Audio and/or video will flow via the interface 56; controlled by the network controller 55.DD
The invention has been described for two different wireless
technologies, but three or more different wireless technologies might be
present.
The expression "for" in for example "for transmitting" and "for informing" etc. does not exclude that other functions are performed as well, simultaneously or not. The expressions "X coupled to Y" and "a coupling between X and Y" and "coupling/couples X and Y" etc. do not exclude that an element Z is in between X and Y. The expressions "P comprises Q" and "P comprising Q" etc. do not exclude that an element R is comprised/included as well. The terms "a" and "an" do not exclude the possible presence of one or more pluralities.
The steps/functions of transmitting and informing etc. do not exclude further steps/functions, like for example, inter alia, the steps/functions as desribed for theifigures.

CLAIMS
1. Mobile terminal (2) for transmitting a first signaling signal
(11) according to a first wireless technology to a first network (3) and for
transmitting a second signaling signal (12) according to a second
wireless technology to a second network (4), the first signaling signal (11) comprising first information for informing the first network (3), the second signaling signal (12) comprising second information for informing the second network (4), and the first and second wireless technologies being different from each other, characterized in that the first signaling signal (11) comprises the first information and comprises the second information.
2. Mobile terminal (2) as, defined in claim 1, characterized in
that the first information .comprises first location information and the
second information.comprises second-location information.
3.. Mobile terminal (2) as defined in claim 1, characterized in that the first information comprises first paging-response information and the second information comprises second paging-response information.
4. Mobile terminal (2) as defined in claim 1, 2 or 3,
characterized in that the mobile terminal (2) comprises a terminal
controller (21) for selecting the first signaling signal (11) carrying the first
and second information.
5. Network unit (5) for use in combination with a mobile
terminal (2) for transmitting a first signaling signal (11) according to a first
wireless technology to a first network (3) and for transmitting a second
signaling signal (12). according to a second wireless technology to a
second network .(4), the first, signaling signal (11) comprising first
information for informing .the first network (3), the second signaling signal (12) comprising second information) for informing the second network (4), and the first and second w reless technologies being different from each other, characterized in that the first signaling signal (11) comprises the first information and comprises the second information, the network unit (5) forming part of the first network (3) and being arranged to extract the

second information frorruthe first,, signaling signal (11) and to relay this second information to the second network (4).
6. Network unit (5) as defined in claim 5, characterized in that the first information comprises first location information and the second information comprises second location information.
7. Network unit (5) gs> defined in,claim 5, characterized in that
the first information comprjses first paging-response information and the
second information comprises .second paging-response information.

8. Network unit ,(5) -as-defined in claim 5, 6 or 7, characterized
in that the network unit, i(5) comprises a network controller (55) for
selecting the first signa|ing>'Signal!.-(ll) .carrying the first and second
information.
9. Method for transmitting a first signaling signal (11)
according to a first wjrele.ss .technology to a first network (3) and for
transmitting a second signaling signal (12) according to a second
wireless technology to a.^c.pq.d neitjw,ork (4), the first signaling signal (11)
comprising first information;for ..informing the first network (3), the second
signaling signal (12) comprising second information for informing the
second network (4), and the first and second wireless technologies being
different from each other(!lcharacterized in that the first signaling signal
(11) comprises the first information and comprises the second
information.
10. Processor; program product for transmitting a first signaling
signal (11) according to c,first wireless technology to a first network (3)
and for transmitting a second signaling signal (12) according to a
second wireless technology to a second network (4), the first signaling
signal (11) comprising first information for informing the first network (3),
the second signaling signal (1.2) comprising second information for
informing the second network (4) and the first and second wireless
technologies being different from each other, characterized in that the
first signaling signal(11) compromises the first information and comprises the
second-information.
11. First signaling signal for use in combination with a mobile
terminal (2) for transmitting the first signalling signal (11) according to a
first wireless technology jo a first,.network (3) and for transmitting a
second signaling signai (12) according to a second wireless technology
to a second network, (4),.the first signaling signal (11) comprising first
information, for informing the first network (3), the second signaling signal
(12) comprising second information for informing the second network (4),
and the first and second .wireless; technologies being different from each
other, characterized in that signaling signal (11) comprises the first information and compromises the second information.