System and method for assisted network acquisition and search updates

A method of wireless communication operational on a wireless user equipment (UE) comprising a first radio for communication via a wireless wide area network (WWAN) and a second radio, the method comprising:

• performing an initial calibration corresponding to the first radio by exchanging information with an access point utilizing the first radio to calibrate timing and/or frequency information between the first radio at the UE and a corresponding first radio at the access point;
• entering a low-power state;
• receiving, utilizing the second radio, aiding information for communication via the WWAN to perform another initial calibration at a later time, the aiding information corresponding at least in part to an adjustment of timing, frequency error, and drift rate information for the first radio while the UE is in a low-power state, with the low-power state being a non-zero power state, wherein the UE receives an adjustment of the timing and/or frequency information corresponding to the first radio from the one or more neighboring cells as a proxy for the UE, wherein the adjustment of the timing and/or frequency information corresponds to a change relative to the timing and/or frequency information corresponding to the initial calibration, in response to a trigger comprising at least one of expiration of a timer, a change in system information, and a request from the UE, wherein the aiding information is received as at least one of:
• a periodic communication of aiding information,
• aiding information communication sent separately from a wake up indicator, and
• a response to a request from the UE for the aiding information;
• adjusting the timing and/or frequency information for the second radio at the UE in response to receiving the aiding information from the access point;
• and
• sending information corresponding to the adjustment of timing and/or frequency information from the second radio at the UE to the first radio at the UE to calibrate the timing and/or frequency information between the first radio and the second radio at the UE.

An access point configured for wireless communication, comprising:

• at least one processor;
• a computer-readable medium communicatively coupled to the at least one processor;
• a first radio for communication via a wireless wide area network (WWAN) communicatively coupled to the at least one processor;
• and
• a second radio communicatively coupled to the at least one processor, wherein the at least one processor is configured to:
• perform an initial calibration corresponding to the first radio by exchanging information with a user equipment (UE) using the first radio;
• act as a proxy for the UE by gathering system information corresponding to the first radio from one or more neighboring cells including utilizing a WWAN network interface to obtain the timing and/or frequency information from the one or more neighboring cells in the WWAN network corresponding to the first radio for the UE while the UE is in a low-power state, wherein, in response to a trigger, the access point determines an adjustment of the timing and/or frequency information corresponding to the first radio from the one or more neighboring cells as the proxy for the UE, wherein the trigger comprises at least one of expiration of a timer, a change in system information, and a request from the UE, wherein the WWAN network interface access point comprises one of:
• network listen circuitry for sniffing an WWAN air interface corresponding to at least one neighboring cell in the WWAN network in order to obtain the frequency and/or timing information for the WWAN network as the proxy for the UE while the UE is in the low-power state;
• or
• a backhaul connection configured for utilizing an Internet connection to communicate with the WWAN network in order to obtain the frequency and/or timing information for the WWAN network as the proxy for the UE while the UE is in the low-power state;
• and
• transmit, utilizing the second radio, aiding information corresponding at least in part to the adjustment of timing, frequency error, and drift rate information for the first radio to a UE for communication via the WWAN, wherein the aiding information is part of a wake-up indicator to wake up the UE from the low-power state, with the low-power state being a non-zero power state.

A user equipment (UE) configured for wireless communication, comprising:

• at least one processor;
• a computer-readable medium communicatively coupled to the at least one processor;
• a first radio for communication via a wireless wide area network (WWAN) communicatively coupled to the at least one processor;
• and
• a second radio communicatively coupled to the at least one processor, wherein the at least one processor is configured to:
• perform an initial calibration corresponding to the first radio;
• enter a low-power state;
• and
• receiving, utilizing the second radio, aiding information for communication via the WWAN to perform another initial calibration at a later time, the aiding information corresponding at least in part to an adjustment of timing, frequency error, and drift rate information for the first radio while the UE is in a low-power state, with the low-power state being a non-zero power state, wherein the UE receives an adjustment of the timing and/or frequency information corresponding to the first radio from the one or more neighboring cells as a proxy for the UE, wherein the adjustment of the timing and/or frequency information corresponds to a change relative to the timing and/or frequency information corresponding to the initial calibration, in response to a trigger comprising at least one of expiration of a timer, a change in system information, and a request from the UE, wherein the aiding information is received as at least one of:
• a periodic communication of aiding information,
• aiding information communication sent separately from a wake up indicator, and
• a response to a request from the UE for the aiding information;
• adjusting the timing and/or frequency information for the second radio at the UE in response to receiving the aiding information from the access point;
• and
• sending information corresponding to the adjustment of timing and/or frequency information from the second radio at the UE to the first radio at the UE to calibrate the timing and/or frequency information between the first radio and the second radio at the UE.

An access point configured for wireless communication, comprising:

• a first radio for communication via a wireless wide area network (WWAN);
• a second radio;
• means for performing an initial calibration corresponding to the first radio by exchanging information with a user equipment (UE) using the first radio;
• means for acting as a proxy for the UE by gathering system information corresponding to the first radio from one or more neighboring cells including utilizing a WWAN network interface to obtain the timing and/or frequency information from the one or more neighboring cells in the WWAN network corresponding to the first radio for the UE while the UE is in a low-power state, wherein, in response to a trigger, the access point determines an adjustment of the timing and/or frequency information corresponding to the first radio from the one or more neighboring cells as the proxy for the UE, wherein the trigger comprises at least one of expiration of a timer, a change in system information, and a request from the UE, wherein the WWAN network interface of the access point comprises one of:
• network listen circuitry for sniffing an WWAN air interface corresponding to at least one neighboring cell in the WWAN network in order to obtain the frequency and/or timing information for the WWAN network as the proxy for the UE while the UE is in the low-power state;
• or a backhaul connection configured for utilizing an Internet connection to communicate with the WWAN network in order to obtain the frequency and/or timing information for the WWAN network as the proxy for the UE while the UE is in the low-power state;
• and
• means for transmitting, utilizing the second radio, aiding information corresponding at least in part to the adjustment of timing, frequency error, and drift rate information for the first radio to the UE for communication via the WWAN, wherein the aiding information is part of a wake-up indicator to wake up the UE from the low-power state, with the low-power state being a non-zero power state.

A user equipment (UE) configured for wireless communication, comprising:

• a first radio for communication via a wireless wide area network (WWAN);
• a second radio;
• means for performing an initial calibration corresponding to the first radio;
• means for entering a low-power state;
• and
• means for receiving, utilizing the second radio, aiding information for communication via the WWAN to perform another initial calibration at a later time, the aiding information corresponding at least in part to an adjustment of timing, frequency error, and drift rate information for the first radio while the UE is in a low-power state, with the low-power state being a non-zero power state, wherein the UE receives an adjustment of the timing and/or frequency information corresponding to the first radio from the one or more neighboring cells as a proxy for the UE, wherein the adjustment of the timing and/or frequency information corresponds to a change relative to the timing and/or frequency information corresponding to the initial calibration, in response to a trigger comprising at least one of expiration of a timer, a change in system information, and a request from the UE, wherein the aiding information is received as at least one of:
• a periodic communication of aiding information,
• aiding information communication sent separately from a wake up indicator, and
• a response to a request from the UE for the aiding information;
• means for adjusting the timing and/or frequency information for the second radio at the UE in response to receiving the aiding information from the access point;
• and
• means for sending information corresponding to the adjustment of timing and/or frequency information from the second radio at the UE to the first radio at the UE to calibrate the timing and/or frequency information between the first radio and the second radio at the UE.

A non-transitory computer-readable medium storing computer executable code, operable at an access point comprising a first radio for communication via a wireless wide area network (WWAN) and a second radio, comprising instructions for causing a computer to:

• perform an initial calibration corresponding to the first radio by exchanging information with a user equipment (UE) using the first radio;
• act as a proxy for the UE by gathering system information corresponding to the first radio from one or more neighboring cells including utilizing a WWAN network interface to obtain the timing and/or frequency information from the one or more neighboring cells in the WWAN network corresponding to the first radio for the UE while the UE is in a low-power state, wherein, in response to a trigger, the access point determines an adjustment of the timing and/or frequency information corresponding to the first radio from the one or more neighboring cells as the proxy for the UE, wherein the trigger comprises at least one of expiration of a timer, a change in system information, and a request from the UE, wherein the WWAN network interface of the access point comprises one of:
• network listen circuitry for sniffing an WWAN air interface corresponding to at least one neighboring cell in the WWAN network in order to obtain the frequency and/or timing information for the WWAN network as the proxy for the UE while the UE is in the low-power state;
• or
• a backhaul connection configured for utilizing an Internet connection to communicate with the WWAN network in order to obtain the frequency and/or timing information for the WWAN network as the proxy for the UE while the UE is in the low-power state;
• and
• transmit, utilizing the second radio, aiding information corresponding at least in part to the adjustment of timing, frequency error, and drift rate information for the first radio to the UE for communication via the WWAN, wherein the aiding information is part of a wake-up indicator to wake up the UE from the low-power state, with the low-power state being a non-zero power state.

A non-transitory computer-readable medium storing computer executable code, operable at a user equipment (UE) comprising a first radio for communication via a wireless wide area network (WWAN) and a second radio, comprising instructions for causing a computer to:

• performing an initial calibration corresponding to the first radio by exchanging information with an access point utilizing the first radio to calibrate timing and/or frequency information between the first radio at the UE and a corresponding first radio at the access point;
• entering a low-power state;
• receiving, utilizing the second radio, aiding information for communication via the WWAN to perform another initial calibration at a later time, the aiding information corresponding at least in part to an adjustment of timing, frequency error, and drift rate information for the first radio while the UE is in a low-power state, with the low-power state being a non-zero power state, wherein the UE receives an adjustment of the timing and/or frequency information corresponding to the first radio from the one or more neighboring cells as a proxy for the UE, wherein the adjustment of the timing and/or frequency information corresponds to a change relative to the timing and/or frequency information corresponding to the initial calibration, in response to a trigger comprising at least one of expiration of a timer, a change in system information, and a request from the UE, wherein the aiding information is received as at least one of:
• a periodic communication of aiding information,
• aiding information communication sent separately from a wake up indicator, and
• a response to a request from the UE for the aiding information;
• adjusting the timing and/or frequency information for the second radio at the UE in response to receiving the aiding information from the access point;
• and
• sending information corresponding to the adjustment of timing and/or frequency information from the second radio at the UE to the first radio at the UE to calibrate the timing and/or frequency information between the first radio and the second radio at the UE.