US 12,245,323 B2
User plane optimizations for 5G cellular internet of things
Hans Bertil Rönneke, Kungsbacka (SE); and Qian Chen, Mölndal (SE)
Assigned to Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Appl. No. 17/265,130
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Jul. 29, 2019, PCT No. PCT/EP2019/070390
§ 371(c)(1), (2) Date Feb. 1, 2021,
PCT Pub. No. WO2020/025556, PCT Pub. Date Feb. 6, 2020.
Claims priority of provisional application 62/714,284, filed on Aug. 3, 2018.
Prior Publication US 2021/0315050 A1, Oct. 7, 2021
Int. Cl. H04W 76/38 (2018.01); H04W 76/27 (2018.01)
CPC H04W 76/38 (2018.02) [H04W 76/27 (2018.02)] 23 Claims
OG exemplary drawing
 
1. A method of operating a radio access network, RAN, node of a wireless communication network, the method comprising:
receiving a Radio Resource Control, RRC, connection resume request message from a wireless terminal at the RAN node instructing the RAN node to establish a connection with the wireless terminal, wherein uplink data is associated with the RRC connection resume request message;
obtaining release information for the wireless terminal at the RAN node, wherein the release information comprises information to release a RRC connection based on release assistance information; and
responsive to the release information and without waiting for expiration of any timer after receiving the uplink data, transmitting a RRC connection release message to the wireless terminal after receiving the uplink data based on the release information for the wireless terminal, wherein the RRC connection release message comprises a suspend indication that instructs the wireless terminal to suspend the connection.