CHANNEL ESTIMATION USING MULTIPLE APS

Title:

CHANNEL ESTIMATION USING MULTIPLE APS

Document Type and Number:

WIPO Patent Application WO/2020/180050

Kind Code:

A1

Abstract:

In a wireless local area network system, a sharing access point (AP) may determine a long training field (LTF) subcarrier pattern for each of multiple streams, wherein an LTF symbol is used for at least one stream among a first to a third stream, the number of the LTF symbols is determined on the basis of the number of antennas of a shared AP having the maximum number of antennas among multiple shared APs associated with the sharing AP, and the first to the third stream are assigned different subcarrier patterns. The sharing AP may transmit information associated with the LTF subcarrier pattern.

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Inventors:

PARK SUNGJIN (KR)
KIM JEONGKI (KR)
CHOI JINSOO (KR)
KIM SUHWOOK (KR)
SONG TAEWON (KR)
JANG INSUN (KR)
PARK EUNSUNG (KR)

Application Number:

PCT/KR2020/002797

Publication Date:

September 10, 2020

Filing Date:

February 27, 2020

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Assignee:

LG ELECTRONICS INC (KR)

International Classes:

H04L5/00; H04B7/024; H04L25/02; H04L27/26; H04W72/12; H04W84/12; H04W84/20

Foreign References:

US20150295629A1	2015-10-15
US20150288427A1	2015-10-08

Other References:

PARK EUNSUNG; LIM DONGGUK; KIM JINMIN; YUN SUNWOONG; KIM JEONGKI; KIM SUHWOOK; PARK SUNGJIN; JANG INSUN; CHOI JINSOO: "Overview of PHY Features for EHT", IEE E 802 . 11-18/1967 R1, 14 January 2019 (2019-01-14), pages 1 - 22, XP068159645, Retrieved from the Internet
JIANHAN LIU; THOMAS PARE; YONGHO SEOK; JAMES WANG; FRANK HSU; JAMES YEE: "Consideration on multi- AP coordination for EHT", IEEE 802. 11-18/1982 R1, 9 January 2019 (2019-01-09), XP068147487, Retrieved from the Internet
TANAKA, YUSKE ET AL.: "Discussion on Multi- AP Coordination Type", IEEE 802.11-18/0104R1, 17 January 2019 (2019-01-17)

Attorney, Agent or Firm:

ENVISION PATENT & LAW FIRM (KR)

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