METHOD FOR TRANSMITTING SOUNDING REFERENCE SIGNAL, TERMINAL DEVICE AND COMPUTER READABLE STORAGE MEDIUM

WIPO Patent Application WO/2019/191915

A1

The present application provides a method for transmitting a sounding reference signal, comprising: a terminal device selects an antenna group with the sequence number of a(nSRS) from Λ antenna groups according to the transmission number of a sounding reference signal (SRS), nSRS, and the number of antenna groups, Λ, so that each of the Λ antenna groups transmits the SRS at least once during 2Λ times of SRS transmission, wherein nSRS is an integer greater than or equal to 0, and Λ is a positive integer greater than or equal to 3; and the terminal device transmits the SRS, in the nSRS-th SRS transmission, by means of an antenna port comprised in the antenna group with the sequence number of a(nSRS). The technical solution provided by the present application can implement SRS antenna selection of three antenna groups. The method provided in this embodiment is applicable to a communication system, such as V2X, LTE-V, V2V, Internet of Vehicles, MTC, Internet of Things (ΙοΤ), LTE-M, and M2M.

GAO XIANG (CN)
ZHANG RUIQI (CN)

PCT/CN2018/081804

October 10, 2019

April 04, 2018

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HUAWEI TECH CO LTD (CN)

H04B7/06; H04B7/0413; H04L12/26

CN106559277A	2017-04-05
CN102265648A	2011-11-30
US8824584B2	2014-09-02

"SRS Antenna Switching for 1T4R and 2T4R", RI-1802983, 3GPP TSG RAN WGI MEETING #92, 26 February 2018 (2018-02-26), Athens, Greece, XP051398375
HUAWEI ET AL.: "SRS Antenna Switching", R1-1718246, 3GPP TSG RAN WG1 MEETING #90BIS, 2 October 2017 (2017-10-02), Prague, *Czech Republic, XP051352358

LONGSUN LEAD IP LTD. (CN)

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