UE group based cell reselection
A method, system and apparatus are disclosed. According to one or more embodiments, a network node for communicating with a wireless device is provided. The network node includes processing circuitry configured to: indicate a plurality of sets of parameters for IDLE/INACTIVE mode mobility parameters, and indicate one of the plurality of sets of parameters for the wireless device to implement.
1 . A wireless device for communicating with a network node, the wireless device comprising:
processing circuitry configured to:
receive an indication of a plurality of sets of parameters for IDLE/INACTIVE mode mobility parameters, the indication of the plurality of sets of parameters being received in a broadcast of system information block, SIB, signaling, a first set of parameters of the plurality of sets of parameters corresponding to a legacy set of parameters and a second set of parameters of the plurality of sets of parameters corresponding to an alternative set of parameters to the legacy set;
receive an indication of one of the plurality of sets of parameters for the wireless device to implement, the indication of the one of the plurality of sets of parameters for the wireless device to implement being received in radio resource control, RRC, signaling and indicating the first set of parameters or the second set of parameters; and
discard the indication of the one of the plurality of sets of parameters for the wireless device to implement based on movement of the wireless device out of an area.
2 . The wireless device of claim 1 , wherein the processing circuitry is configured to discard the indication of the one of the plurality of sets of parameters for the wireless device to implement based on expiration of a timer.
3 . The wireless device of claim 2 , wherein the processing circuitry is configured to initiate the timer based on receiving the indication of one of the plurality of sets of parameters for the wireless device to implement.
4 . The wireless device of claim 1 , wherein the processing circuitry is configured to discard the indication of the one of the plurality of sets of parameters for the wireless device to implement based on:
a determination that the indication of the one of the plurality of sets of parameters for the wireless device to implement is not supported by a cell.
5 . The wireless device of claim 1 , wherein the RRC signaling is a RRC release message.
6 . The wireless device of claim 1 , wherein a first set of parameters of the plurality of sets of parameters prioritizes a first frequency for the IDLE/INACTIVE mode; and
a second set of parameters of the plurality of sets of parameters prioritizes a second frequency for the IDLE/INACTIVE mode.
7 . The wireless device of claim 1 , wherein the plurality of sets of parameters correspond to a plurality of sets of cell reselection parameters.
8 . A method performed by a wireless device that is configured to communicate with a network node, the method comprising:
receiving an indication of a plurality of sets of parameters for IDLE/INACTIVE mode mobility parameters, the indication of the plurality of sets of parameters being received in a broadcast of system information block, SIB, signaling, a first set of parameters of the plurality of sets of parameters corresponding to a legacy set of parameters and a second set of parameters of the plurality of sets of parameters corresponding to an alternative set of parameters to the legacy set;
receiving an indication of one of the plurality of sets of parameters for the wireless device to implement, the indication of the one of the plurality of sets of parameters for the wireless device to implement being received in radio resource control, RRC, signaling and indicating the first set of parameters or the second set of parameters; and
discarding the indication of the one of the plurality of sets of parameters for the wireless device to implement based on movement of the wireless device out of an area.
9 . The method of claim 8 , further comprising discarding the indication of the one of the plurality of sets of parameters for the wireless device to implement based on expiration of a timer.
10 . The method of claim 9 , further comprising initiating the timer based on receiving the indication of one of the plurality of sets of parameters for the wireless device to implement.
11 . The method of claim 8 , further comprising discarding the indication of the one of the plurality of sets of parameters for the wireless device to implement based on:
a determination that the indication of the one of the plurality of sets of parameters for the wireless device to implement is not supported by a cell.
12 . The method of claim 8 , wherein the RRC signaling is a RRC release message.
13 . The method of claim 8 , wherein a first set of parameters of the plurality of sets of parameters prioritizes a first frequency for the IDLE/INACTIVE mode; and
a second set of parameters of the plurality of sets of parameters prioritizes a second frequency for the IDLE/INACTIVE mode.
14 . The method of claim 8 , wherein the plurality of sets of parameters correspond to a plurality of sets of cell reselection parameters.