US 11,991,653 B2
Synchronization signal block transmission method and apparatus
Pu Yuan, Shenzhen (CN); and Chao Li, Beijing (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Oct. 29, 2021, as Appl. No. 17/452,879.
Application 17/452,879 is a continuation of application No. PCT/CN2020/083261, filed on Apr. 3, 2020.
Claims priority of application No. 201910361704.4 (CN), filed on Apr. 30, 2019.
Prior Publication US 2022/0046562 A1, Feb. 10, 2022
Int. Cl. H04W 56/00 (2009.01)
CPC H04W 56/001 (2013.01) 20 Claims
OG exemplary drawing
 
1. A method comprising:
generating, by a first terminal device, a sidelink synchronization signal block; and
sending, by the first terminal device, the sidelink synchronization signal block to a second terminal device, wherein the sidelink synchronization signal block comprises a physical sidelink broadcast channel (PSBCH), a sidelink primary synchronization signal (SPSS), and a sidelink secondary synchronization signal (SSSS), and wherein
the PSBCH comprises M orthogonal frequency division multiplexing (OFDM) symbols in time domain, the PSBCH comprises a demodulation reference signal (DMRS), the DMRS comprises K OFDM symbols of the M OFDM symbols in the time domain, and the DMRS is mapped to frequency domain at an interval of n−1 subcarriers, wherein n is an integer greater than or equal to 1, M is an integer greater than or equal to 6, and K is a positive integer less than or equal to M; and the PSBCH comprises N resource blocks (RBs) in the frequency domain, wherein N is an integer greater than 6; and
the SPSS comprises 2 OFDM symbols in the time domain and N RBs in the frequency domain; and the SSSS comprises 2 OFDM symbols in the time domain and N RBs in the frequency domain.