Title:
METHOD FOR TRACKING CHANNEL IN WIRELESS AV SYSTEM AND WIRELESS DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2020/226202
Kind Code:
A1
Abstract:
A method by which a first wireless device tracks a channel in a wireless AV system, according to one embodiment of the present invention, comprises the steps of: receiving a radio signal including a first part related to a preamble and a second part related to a data block and a GI; estimating an initial channel on the basis of the preamble; estimating a residual channel on the basis of the GI, wherein a reconstruction sequence reconstructed on the basis of a Golay sequence having a predetermined length is applied to the GI; and updating a channel on the basis of first information acquired on the basis of the initial channel estimation and second information acquired on the basis of the residual channel estimation.
Inventors:
WOO KYUNGSOO (KR)
LEE KYUIN (KR)
HUH JOONGKWAN (KR)
LEE KYUIN (KR)
HUH JOONGKWAN (KR)
Application Number:
PCT/KR2019/005454
Publication Date:
November 12, 2020
Filing Date:
May 08, 2019
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04L25/02; H04J13/00; H04L27/26
Domestic Patent References:
| WO2018048493A1 | 2018-03-15 |
Foreign References:
| KR20180004402A | 2018-01-11 | |||
| US20150280862A1 | 2015-10-01 | |||
| KR20120127723A | 2012-11-23 | |||
| US20180062902A1 | 2018-03-01 |
Attorney, Agent or Firm:
ENVISION PATENT & LAW FIRM (KR)
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