Title:
無線LANシステムにおけるチャネルサウンディング方法及び装置
Document Type and Number:
Japanese Patent JP5493052
Kind Code:
B2
Abstract:
A channel sounding method in a wireless local area network (WLAN) system is provided. The method, performed by a transmitter, includes transmitting a null data packet announcement (NDPA) frame to a receiver to initiate a channel sounding procedure; transmitting a null data packet (NDP) to the receiver and receiving a feedback frame. The feedback frame includes a plurality of segment frames and a channel feedback report. The channel feedback report is split into a plurality of feedback segments. Each of the plurality of feedback segments is respectively included in each of the plurality of segment frames. The each of the plurality of segment frames includes a first-segment subfield indicating whether the each of the plurality of feedback segment included is a first segment and a remaining-segment subfield indicating the number of remaining feedback segments.
Inventors:
Li, Da Won
Son, Ilso
Suk, Yongho
Son, Ilso
Suk, Yongho
Application Number:
JP2013501204A
Publication Date:
May 14, 2014
Filing Date:
November 28, 2011
Export Citation:
Assignee:
LG ELECTRONICS INC.
International Classes:
H04W28/06; H04B7/04; H04J11/00; H04J99/00; H04W16/28; H04W24/10
Domestic Patent References:
| JP2009543471A | ||||
| JP2009514456A | ||||
| JP2009514360A |
Foreign References:
| WO2007083699A1 | ||||
| WO2009128604A1 |
Attorney, Agent or Firm:
Hidesaku Yamamoto
Takaaki Yasumura
Natsuki Morishita
Takaaki Yasumura
Natsuki Morishita