Patent ID: 9686039
Date: 2017-06-20
CPC Classifications: H04L,H04W

Claim:
1. A link adaptation feedback method, comprising: transmitting, by a transmitting device, a data frame to a receiving device; receiving, by the transmitting device, a link adaptation feedback frame sent by the receiving device, wherein the link adaptation feedback frame carries space-time block coding (STBC) indication information; and adetermining, by the transmitting device, according to the STBC indication information, information about use of space-time block coding by the data frame related to the link adaptation feedback frame; wherein the link adaptation feedback frame comprises a very high throughput format high throughput control field (VHT format HT Control field), wherein a STBC field is added to the VHT format HT Control field, and a value of the STBC field is used as the STBC indication information.