I/WE CLAIM:
1. An integrated radio access technology ("RAT") system,
comprising:
a wireless local area network ("WLAN") component to communicate with a user equipment ("UE") using unlicensed frequency spectrum; and processing circuitry configured to:
receive information from the UE, the received information being associated with a bearer between the UE and the WLAN component, the received information being received via a Packet Data Convergence Protocol ("PDCP") layer;
determine, based on the received information, one or more parameters relating to the bearer between the UE and the WLAN component; and
provide the one or more parameters to the UE, the one or more parameters causing the UE to modify a manner in which traffic is transmitted from the UE over the bearer between the UE and the WLAN component.
2. The integrated RAT system of claim 1, wherein providing the one
or more parameters to the UE includes:
providing the one or more parameters to the UE at the PDCP layer.
3. The integrated RAT system of claim 2, further comprising an evolved Node B ("eNB") of a Long Term Evolution network, wherein the information, associated with the bearer between the UE and the WLAN component, is received via the eNB.
4. The integrated RAT system of claim 1, wherein the one or more parameters cause the UE to modify a ratio of:
a first amount of traffic sent from the UE to the WLAN component, via the bearer between the UE and the WLAN component, and
a second amount of traffic sent from the UE to a wireless wide area network ("WWAN") component, via a bearer between the UE and the WWAN

component, using licensed frequency spectrum.
5. The integrated RAT system of claim 1, wherein the information, received via the PDCP layer, is received in a PDCP packet, wherein a packet data unit ("PDU") type information field in a header of the PDCP packet indicates that the PDCP packet includes the one or more parameters relating to the bearer between the UE and the WLAN component.
6. The integrated RAT system of claim 5, wherein the PDCP packet further includes information indicating a type of the one or more parameters.
7. The integrated RAT system of claim 5, wherein the type includes at least one of:
Received Channel Power Indicator ("RCPI") information associated with the bearer between the UE and the WLAN component,
Received Signal to Noise Indicator ("RSNI") information associated with the bearer between the UE and the WLAN component,
channel busy/idle information associated with the bearer between the UE and the WLAN component,
access delay measurements associated with the bearer between the UE and the WLAN component,
interference information associated with the bearer between the UE and the WLAN component,
round trip latency associated with the bearer between the UE and the WLAN component,
uplink throughput of traffic sent, by the UE, via the bearer between the UE and the WLAN component, or
downlink throughput of traffic received, by the UE, via the bearer between the UE and the WLAN component.
8. The integrated RAT system of claim 5, wherein the type includes a

RAT preference indication.
9. The integrated RAT system of claim 5, wherein the PDU type is indicated by four or more bits in a first octet of the PDCP packet.
10. The integrated RAT system of claim 5, wherein the PDU type is indicated by at least one bit other than the second, third, and fourth bits of a first octet of the PDCP packet.
11. The integrated RAT system of claim 5, wherein the PDCP packet is of a variable size, wherein the size of the PDCP packet is specified by information included in the PDCP packet.
12. The integrated RAT system of claim 1, wherein the one or more parameters include at least one of:
a maximum uplink throughput of traffic that is permissible to be sent, by the UE, via the bearer between the UE and the WLAN component,
a maximum amount of traffic that is permissible to be sent, by the UE, via the bearer between the UE and the WLAN component,
a ratio of total traffic, sent by the UE, that is permissible to be sent via the bearer between the UE and the WLAN component, or
a maximum probability of transmission of traffic, to the WLAN component, by the UE.
13. The integrated RAT system of claim 1, wherein the processing
circuitry is further configured to:
receive radio link quality information from the WLAN component, wherein the one or more parameters are further determined based on the radio link quality information received from the WLAN component.
14. The integrated RAT system of claim 1, wherein the processing

circuitry is further configured to:
output a set of parameters to the WLAN component, the set of parameters causing the WLAN component to modify a manner in which traffic is transmitted from the WLAN component, to the UE, over the bearer between the UE and the WLAN component.
15. A method of controlling an integrated radio access technology
("RAT") architecture, the method comprising:
receiving, by one or more devices of the integrated RAT architecture, information from a user equipment ("UE"),
the received information being associated with a bearer between the UE and a wireless local area network ("WLAN") component of the integrated RAT architecture,
the received information being received via a Packet Data Convergence Protocol ("PDCP") layer,
the received information being received via licensed frequency spectrum,
the bearer between the UE and the WLAN component being associated with unlicensed frequency spectrum;
determining, by the one or more devices and based on the received information, one or more parameters relating to the bearer between the UE and the WLAN component; and
providing, by the one or more devices, the one or more parameters to the WLAN component, the one or more parameters causing the WLAN component to modify a manner in which traffic is transmitted from the WLAN component, to the UE, over the bearer between the UE and the WLAN component.
16. The method of claim 15, wherein the one or more devices include an evolved Node B of a Long Term Evolution network.
17. The method of claim 15, wherein the information, received via the

PDCP layer, is received in a PDCP packet, wherein a packet data unit ("PDU") type information field in a header of the PDCP packet indicates that the PDCP packet includes the one or more parameters relating to the bearer between the UE and the WLAN component.
18. The method of claim 17, wherein the PDCP packet further includes
information indicating a type of the one or more parameters.
19. The method of claim 18, wherein the type includes at least one of:
Received Channel Power Indicator ("RCPI") information
associated with the bearer between the UE and the WLAN component,
Received Signal to Noise Indicator ("RSNI") information associated with the bearer between the UE and the WLAN component,
channel busy/idle information associated with the bearer between the UE and the WLAN component,
access delay measurements associated with the bearer between the UE and the WLAN component,
interference information associated with the bearer between the UE and the WLAN component,
round trip latency associated with the bearer between the UE and the WLAN component,
uplink throughput of traffic sent, by the UE, via the bearer between the UE and the WLAN component, or
downlink throughput of traffic received, by the UE, via the bearer between the UE and the WLAN component.
20. The method of claim 18, wherein the PDU type is indicated by four or more bits in a first octet of the PDCP packet.
21. The method of claim 18, wherein the PDCP packet is of a variable size, wherein the size of the PDCP packet is specified by information included in

the PDCP packet.
22. The method of claim 15, further comprising:
receiving radio link quality information from the WLAN component,
wherein the one or more parameters are further determined based on the radio link quality information received from the WLAN component.
23. The method of claim 15, wherein the one or more parameters
include at least one of:
a maximum throughput of traffic that is permissible to be sent, by the WLAN component to the UE, via the bearer between the UE and the WLAN component, or
a maximum amount of traffic that is permissible to be sent, by the UE to the WLAN component, via the bearer between the UE and the WLAN component.
24. An integrated radio access technology ("RAT") system,
comprising:
means for receiving information from a user equipment ("UE"),
the received information being associated with a bearer between the UE and a wireless local area network ("WLAN") component of the integrated RAT architecture,
the received information being received via a Packet Data Convergence Protocol ("PDCP") layer,
the received information being received via licensed frequency spectrum,
the bearer between the UE and the WLAN component being associated with unlicensed frequency spectrum;
means for determining, based on the received information, one or more parameters relating to the bearer between the UE and the WLAN component; and

means for providing the one or more parameters to the UE, the one or more parameters causing the UE to modify a manner in which traffic is transmitted from the UE over the bearer between the UE and the WLAN component.
25. The integrated RAT system of claim 24, wherein the means for providing the one or more parameters to the UE include:
means for providing the one or more parameters to the UE at the PDCP layer.