US 11,901,933 B2
System and method for providing sub-band whitening in the presence of partial-band interference
Mostafa Sayed Roshdy Ibrahim, San Jose, CA (US); Ruchen Duan, Santa Clara, CA (US); Wook Bong Lee, San Jose, CA (US); Minki Ahn, Gyeonggi-do (KR); and Hyun Bae Jeon, Gyeonggi-do (KR)
Assigned to Samsung Electronics Co., Ltd
Filed by Samsung Electronics Co., Ltd., Gyeonggi-do (KR)
Filed on May 2, 2022, as Appl. No. 17/734,489.
Application 17/734,489 is a continuation of application No. 17/153,533, filed on Jan. 20, 2021, granted, now 11,323,148.
Application 17/153,533 is a continuation of application No. 16/664,237, filed on Oct. 25, 2019, granted, now 10,911,096, issued on Feb. 2, 2021.
Claims priority of provisional application 62/883,862, filed on Aug. 7, 2019.
Prior Publication US 2022/0255582 A1, Aug. 11, 2022
Int. Cl. H04B 7/10 (2017.01); H04B 1/71 (2011.01); H04B 17/345 (2015.01); H04B 1/10 (2006.01); H04L 25/02 (2006.01); H04L 25/03 (2006.01)
CPC H04B 1/7102 (2013.01) [H04B 1/10 (2013.01); H04B 17/345 (2015.01); H04L 25/022 (2013.01); H04L 25/03159 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for providing sub-band whitening, comprising:
deriving an estimated noise plus interference variance (NIVar) based on at least one legacy-long training field (LLTF) symbol from an LLTF signal; and
updating an interference whitening (IW) factor by using a sub-band of the NIVar.