FIELD: radio engineering, communication.
SUBSTANCE: method includes a first wireless device saving a selected radio resource (RRC) parameter in a memory. The selected RRC parameter can be identified based on a low frequency in which the selected RRC parameter changes. The first wireless device can set an RRC resource parameter retention timer to count retention time duration for using the selected RRC parameter saved in the memory. The first wireless device receives a reduced RRC connection message from a second wireless device. The reduced RRC connection message excludes the selected RRC parameter. The first wireless device can use the selected RRC parameter saved in the memory as the RRC parameter excluded in the reduced RRC connection message when the RRC resource parameter retention timer is not expired. The selected RRC parameter can be used in a RRC connection protocol.
EFFECT: reducing signalling redundancy during radio resource control state transitions.
21 cl, 6 dwg
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