US 12,323,365 B2
Methods and apparatus for controlling uplink reference signal transmissions in a wireless communication network
Ritesh Shreevastav, Upplands Väsby (SE); Florent Munier, Västra Frölunda (SE); and Iana Siomina, Täby (SE)
Assigned to Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Appl. No. 17/610,620
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed May 13, 2020, PCT No. PCT/EP2020/063387
§ 371(c)(1), (2) Date Nov. 11, 2021,
PCT Pub. No. WO2020/229567, PCT Pub. Date Nov. 19, 2020.
Claims priority of provisional application 62/847,521, filed on May 14, 2019.
Prior Publication US 2022/0209927 A1, Jun. 30, 2022
Int. Cl. H04L 5/00 (2006.01)
CPC H04L 5/0082 (2013.01) [H04L 5/0051 (2013.01); H04L 5/0069 (2013.01); H04L 5/0096 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A method by a location server configured for operation in association with a wireless communication network, the method comprising:
sending a message, to a base station serving a wireless device, as a request to the base station to trigger activation of an aperiodic or semipersistent Sounding Reference Signal (SRS) configuration by the wireless device, the message comprising an indication of the aperiodic or semipersistent SRS configuration and a timing recommendation,
wherein the timing recommendation is an activation-time recommendation for when the base station should activate the wireless device to start transmission of SRS according to the aperiodic or semipersistent SRS configuration.