Systems, devices, and methods for long term evolution and wireless local area interworking

1. A user equipment (UE) comprising:

a first radio to communicate via an evolved universal terrestrial radio access network (EUTRAN);

a second radio to communicate via a wireless local area network (WLAN); and

control circuitry coupled with the first and second radios, the control circuitry to

receive, in a radio resource control (RRC) connection reconfiguration message dedicated to the UE, first radio access network (RAN) assistance parameters for access network selection and traffic steering between the EUTRAN and the WLAN, wherein the first RAN assistance parameters include a first reference signal received power (RSRP) threshold value, and a first reference signal received quality (RSRQ) threshold value;

receive, in a system information block, second RAN assistance parameters that include an RSRP threshold value and an RSRQ threshold value;

select the first RAN assistance parameters if the UE is in an RRC-connected state and select the second RAN assistance parameters if the UE is not in an RRC-connected state;

transmit traffic over the EUTRAN via the first radio;

determine that a measured cell receive level value of the EUTRAN is less than the RSRP threshold of the selected RAN assistance parameters or a measured cell quality value of the EUTRAN is less than the RSRQ threshold of the selected RAN assistance parameters; and

steer traffic to the WLAN via the second radio based on said determination that the measured RSRP of the EUTRAN is less than the RSRP threshold of the selected RAN assistance parameters or the measured RSRQ of the EUTRAN is less than the RSRQ threshold of the selected RAN assistance parameters.

2. The UE of claim 1 , wherein the first RAN assistance parameters include a timer value and the control circuitry is to:

set a timer with the timer value;

start the timer upon entering an RRC idle mode; and

discard the first RAN assistance parameters received in RRC connection reconfiguration message upon expiration of the timer.

3. The UE of claim 1 , wherein the first RAN assistance parameters further include a WLAN channel utilization threshold, a WLAN downlink backhaul rate threshold, a WLAN uplink backhaul rate threshold, and a WLAN beacon received signal strength indicator (RSSI) threshold, and the control circuitry is further to:

determine that a WLAN channel utilization is less than the WLAN channel utilization threshold, a WLAN downlink backhaul rate is greater than the WLAN downlink backhaul rate threshold, a WLAN uplink backhaul rate is greater than the WLAN uplink backhaul rate threshold, and a beacon RSSI is greater than the WLAN beacon RSSI threshold; and

steer traffic to the WLAN via the second radio based further on said determination that the WLAN channel utilization is less than the WLAN channel utilization threshold, the WLAN downlink backhaul rate is greater than the WLAN downlink backhaul rate threshold, the WLAN uplink backhaul rate is greater than the WLAN uplink backhaul rate threshold, and the beacon RSSI is greater than the WLAN beacon RSSI threshold.

4. A user equipment (UE) comprising:

a first radio to communicate via an evolved universal terrestrial radio access network (EUTRAN);

a second radio to communicate via a wireless local area network (WLAN); and

control circuitry coupled with the first and second radios, the control circuitry to

receive, in a radio resource control (RRC) connection reconfiguration message dedicated to the UE, first radio access network (RAN) assistance parameters for access network selection and traffic steering between the EUTRAN and the WLAN, wherein the RAN assistance parameters include a WLAN channel utilization threshold, a WLAN downlink backhaul rate threshold, a WLAN uplink backhaul rate threshold, a WLAN beacon received signal strength indicator (RSSI) threshold, and a WLAN beacon received signal strength indicator (RSSI) threshold;

receive, in a system information block, second RAN assistance parameters for access network selection and traffic steering between the EUTRAN and the WLAN, wherein the second RAN assistance parameters include a WLAN channel utilization threshold, a WLAN downlink backhaul rate threshold, a WLAN uplink backhaul rate threshold, a WLAN beacon RSSI threshold, and a WLAN beacon RSSI threshold;

select the first RAN assistance parameters if the UE is in an RRC-connected state and select the second RAN assistance parameters if the UE is not in an RRC-connected state;

transmit traffic over the WLAN via the second radio;

determine a WLAN channel utilization is greater than the WLAN channel utilization threshold of the selected RAN assistance parameters, a WLAN downlink backhaul rate is less than the WLAN downlink backhaul rate threshold of the selected RAN assistance parameters, a WLAN uplink backhaul rate is less than the WLAN uplink backhaul rate threshold of the selected RAN assistance parameters, or a beacon RSSI is less than the WLAN beacon RSSI threshold of the selected RAN assistance parameters; and

steer traffic to the EUTRAN via the first radio based on said determination that the WLAN channel utilization is greater than the WLAN channel utilization threshold of the selected RAN assistance parameters, the WLAN downlink backhaul rate is less than the WLAN downlink backhaul rate threshold of the selected RAN assistance parameters, the WLAN uplink backhaul rate is less than the WLAN uplink backhaul rate threshold of the selected RAN assistance parameters, or the beacon RSSI is less than the WLAN beacon RSSI threshold of the selected RAN assistance parameters.

5. The UE of claim 4 , wherein the first and second RAN assistance parameters each further include a reference signal received power (RSRP) threshold value and a reference signal received quality (RSRQ) threshold value, and the control circuitry is further to:

determine a measured cell receive level value of the EUTRAN is greater than the RSRP threshold of the selected RAN assistance parameters and a measured cell quality value of the EUTRAN is greater than the RSRQ threshold of the selected RAN assistance parameters; and

steer traffic to the EUTRAN via the first radio based on said determination that the measured cell receive level value corresponding to the EUTRAN is greater than the RSRP threshold of the selected RAN assistance parameters and the measured cell quality value corresponding to the EUTRAN is greater than the RSRQ threshold of the selected RAN assistance parameters.

6. The UE of claim 4 , further comprising:

multi-mode baseband circuitry coupled with the first and second radios.

7. One or more non-transitory computer-readable media having instructions that, when executed, cause a user equipment (UE) to:

process a radio resource control (RRC) message to determine first radio access network (RAN) assistance parameters;

process a system information block to determine second RAN assistance parameters;

select the select the first RAN assistance parameters if the UE is in an RRC-connected state and select the second RAN assistance parameters if the UE is not in an RRC-connected state determine conditions of first and second access networks;

determine that the conditions of the first and second access networks satisfy access network selection and traffic steering (ANSTS) rules for a predetermined period of time based on the selected RAN assistance parameters; and

steer traffic from the first access network to the second access network based on said determination that the conditions of the first and second access networks satisfy the ANSTS for the predetermined period of time.

8. The one or more non-transitory computer-readable media of claim 7 , wherein each of the first and second RAN assistance parameters include first evolved universal terrestrial radio access network (EUTRAN) thresholds for steering traffic from an EUTRAN to a wireless local area network (WLAN), second EUTRAN thresholds for steering traffic from a WLAN to an EUTRAN, first WLAN thresholds for steering traffic from an EUTRAN to a WLAN, and second WLAN thresholds for steering traffic from a WLAN to an EUTRAN.

9. The one or more non-transitory computer-readable media of claim 7 , wherein the first access network is an evolved universal terrestrial radio access network (EUTRAN), the second access network is a wireless local area network (WLAN), each of the first and second RAN assistance parameters include a WLAN identifier that corresponds to the WLAN, a reference signal received power (RSRP) threshold value, and a reference signal received quality (RSRQ) threshold value, and the instructions, when executed, further cause the UE to:

determine that a measured cell receive level value of the EUTRAN is less than the RSRP threshold of the selected RAN assistance parameters or a measured cell quality value of the EUTRAN is less than the RSRQ threshold of the selected RAN assistance parameters; and

steer traffic to the WLAN based on said determination that the measured RSRP of the EUTRAN is less than the RSRP threshold of the selected RAN assistance parameters or the measured RSRQ of the EUTRAN is less than the RSRQ threshold of the selected RAN assistance parameters.

10. The one or more non-transitory computer-readable media of claim 9 , wherein each of the first and second RAN assistance parameters further include a WLAN channel utilization threshold, a WLAN downlink backhaul rate threshold, a WLAN uplink backhaul rate threshold, and a WLAN beacon received signal strength indicator (RSSI) threshold, and the instructions, when executed, further cause the UE to:

determine that a WLAN channel utilization is less than the WLAN channel utilization threshold of the selected RAN assistance parameters, a WLAN downlink backhaul rate is greater than the WLAN downlink backhaul rate threshold of the selected RAN assistance parameters, a WLAN uplink backhaul rate is greater than the WLAN uplink backhaul rate threshold of the selected RAN assistance parameters, and a beacon RSSI is greater than the WLAN beacon RSSI threshold of the selected RAN assistance parameters; and

steer traffic to the WLAN based further on said determination that the WLAN channel utilization is less than the WLAN channel utilization threshold of the selected RAN assistance parameters, the WLAN downlink backhaul rate is greater than the WLAN downlink backhaul rate threshold of the selected RAN assistance parameters, the WLAN uplink backhaul rate is greater than the WLAN uplink backhaul rate threshold of the selected RAN assistance parameters, and the beacon RSSI is greater than the WLAN beacon RSSI threshold of the selected RAN assistance parameters.

11. The one or more non-transitory computer-readable media of claim 7 , wherein the first access network is a wireless local area network (WLAN), the second access network is an evolved universal terrestrial radio access network (EUTRAN), each of the first and second RAN assistance parameters include a WLAN channel utilization threshold, a WLAN downlink backhaul rate threshold, a WLAN uplink backhaul rate threshold, a WLAN beacon received signal strength indicator (RSSI) threshold, and a WLAN beacon received signal strength indicator (RSSI) threshold; and the instructions, when executed, further cause the UE to:

determine a WLAN channel utilization is greater than the WLAN channel utilization threshold of the selected RAN assistance parameters, a WLAN downlink backhaul rate is less than the WLAN downlink backhaul rate threshold of the selected RAN assistance parameters, a WLAN uplink backhaul rate is less than the WLAN uplink backhaul rate threshold of the selected RAN assistance parameters, or a beacon RSSI is less than the WLAN beacon RSSI threshold of the selected RAN assistance parameters; and

steer traffic to the EUTRAN based on said determination that the WLAN channel utilization is greater than the WLAN channel utilization threshold of the selected RAN assistance parameters, the WLAN downlink backhaul rate is less than the WLAN downlink backhaul rate threshold of the selected RAN assistance parameters, the WLAN uplink backhaul rate is less than the WLAN uplink backhaul rate threshold of the selected RAN assistance parameters, or the beacon RSSI is less than the WLAN beacon RSSI threshold of the selected RAN assistance parameters.

12. The one or more non-transitory computer-readable media of claim 11 , wherein each of the first and second RAN assistance parameters further include a reference signal received power (RSRP) threshold value and a reference signal received quality (RSRQ) threshold value, and the instructions, when executed, further cause the UE to:

determine a measured cell receive level value of the EUTRAN is greater than the RSRP threshold of the selected RAN assistance parameters and a measured cell quality value of the EUTRAN is greater than the RSRQ threshold of the selected RAN assistance parameters; and

steer traffic to the EUTRAN based on said determination that the measured cell receive level value corresponding to the EUTRAN is greater than the RSRP threshold of the selected RAN assistance parameters and the measured cell quality value corresponding to the EUTRAN is greater than the RSRQ threshold of the selected RAN assistance parameters.