US 12,255,761 B2
Short training sequence design method and apparatus
Xin Zuo, Shenzhen (CN); Ming Gan, Shenzhen (CN); and Dandan Liang, Shenzhen (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Jan. 4, 2024, as Appl. No. 18/404,441.
Application 18/404,441 is a continuation of application No. 18/173,285, filed on Feb. 23, 2023, granted, now 11,902,065.
Application 18/173,285 is a continuation of application No. 17/644,392, filed on Dec. 15, 2021, granted, now 11,641,298, issued on May 2, 2023.
Application 17/644,392 is a continuation of application No. 17/158,758, filed on Jan. 26, 2021, granted, now 11,206,164, issued on Dec. 21, 2021.
Application 17/158,758 is a continuation of application No. PCT/CN2019/096291, filed on Jul. 17, 2019.
Claims priority of application No. 201810846832.3 (CN), filed on Jul. 27, 2018.
Prior Publication US 2024/0243956 A1, Jul. 18, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H04L 27/26 (2006.01)
CPC H04L 27/2602 (2013.01) [H04L 27/2692 (2013.01); H04L 27/2695 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An apparatus applied in a wireless local area network (WLAN), the apparatus comprising:
a processor, configured to determine a short training sequence; and
a transceiver, configured to send the short training sequence on a channel, wherein a bandwidth of the channel is 320 MHz;
wherein the short training sequence has a periodicity of 0.8 μs and includes values on subcarriers with indexes of −2032:16:2032, and the values on the subcarriers with the indexes of −2032:16:2032 satisfy the following:

OG Complex Work Unit Math
and
wherein a value of ai is any one of {−1, 0, 1}, i=1, 2, a value of cj is any one of {−1, 1}, j=1, 2, 3, 4, 5, 6, 7, 8, and M={−1,−1,−1,1,1,1,−1,1,1,1,−1,1,1,−1,1}.