公开(公告)号：US20140293916A1

公开(公告)日：2014-10-02

申请号：US14297483

申请日：2014-06-05

Applicant: LG ELECTRONICS INC.

Inventor： Ill Soo SOHN ,  Yong Ho SEOK ,  Kyoung Young SONG ,  Dae Won LEE ,  Byeong Woo KANG

IPC: H04W72/04 ,  H04W24/10

CPC classification number: H04L1/0003 ,  H04L1/0025 ,  H04L1/0026 ,  H04L1/0027 ,  H04L1/06 ,  H04W24/10 ,  H04W72/04

Abstract: A method and device for link adaptation in a wireless local area network system, are discussed. The method may include receiving, by a responding station, from a requesting station, a requesting Physical layer Protocol Data Unit (PPDU) for requesting a modulation and coding scheme (MCS) feedback via a plurality of spatial streams, the requesting PPDU including an MCS request (MRQ) field that is set to one to request the responding station to provide the MCS feedback; and transmitting, by the responding station, to the requesting station, the MCS feedback including a recommended MCS field and a recommended stream field. The recommended MCS field indicates a recommended MCS, the recommended stream field indicates a number of at least one recommended spatial stream, and the number of the at least one recommended spatial stream is less than a number of the plurality of spatial streams used for the requesting PPDU.

Abstract translation: 讨论了一种在无线局域网系统中进行链路自适应的方法和装置。 所述方法可以包括由响应站从请求站接收用于经由多个空间流请求调制和编码方案（MCS）反馈的请求物理层协议数据单元（PPDU），所述请求PPDU包括MCS 请求（MRQ）字段设置为1以请求响应站提供MCS反馈; 并且由响应站向请求站发送MCS反馈，其包括推荐的MCS字段和推荐流字段。 推荐的MCS字段指示推荐的MCS，推荐的流字段指示至少一个推荐的空间流的数量，并且至少一个推荐的空间流的数量小于用于请求的多个空间流的数量 PPDU。

公开(公告)号：US20160127076A1

公开(公告)日：2016-05-05

申请号：US14993363

申请日：2016-01-12

Applicant: LG ELECTRONICS INC.

Inventor： Ill Soo SOHN ,  Yong Ho SEOK ,  Kyoung Young SONG ,  Dae Won LEE ,  Byeong Woo KANG

IPC: H04L1/00 ,  H04L1/06

CPC classification number: H04L1/0003 ,  H04L1/0025 ,  H04L1/0026 ,  H04L1/0027 ,  H04L1/06 ,  H04W24/10 ,  H04W72/04

Abstract: A method and a device for reporting a modulation and coding scheme (MCS) feedback in a wireless local area network are provided. A responding station receives, from a requesting station, a requesting Physical layer Protocol Data Unit (PPDU) for requesting a MCS feedback via a plurality of spatial streams. A recommended MCS is estimated under an assumption that the requesting station will transmit at least one first spatial stream among the plurality of spatial streams used for the requesting PPDU, The responding station transmits, to the requesting station, the MCS feedback including a recommended MCS field indicating the recommended MCS and a recommended stream field indicating a number of at least one recommended spatial stream. A number of the at least one first spatial stream used for estimating the recommended MCS is equal to the number of the at least one recommended spatial stream.

Abstract translation: 提供了一种用于在无线局域网中报告调制和编码方案（MCS）反馈的方法和装置。 响应站从请求站接收用于通过多个空间流请求MCS反馈的请求物理层协议数据单元（PPDU）。 在假设请求站将在用于请求PPDU的多个空间流中发送至少一个第一空间流的假设下，估计推荐的MCS。响应站向请求站发送包括推荐MCS字段的MCS反馈 指示推荐的MCS和推荐的流字段，指示至少一个推荐的空间流的数量。 用于估计推荐MCS的至少一个第一空间流的数目等于至少一个推荐空间流的数目。