Patent ID: 9071491
Filing Date: 2015-06-30
Classification: H04B,H04L,H04W

Abstract:
1. A method for transmitting data in a wireless local area network, the method comprising: transmitting, by a transmitter, a first long training field (LTF) to a receiver; transmitting, by the transmitter, a very high throughput (VHT)-SIG-A field to the receiver; transmitting, by a transmitter, a second LTF for multiple input multiple output (MIMO) channel estimation to the receiver; transmitting, by the transmitter, a VHT-SIG-B field to the receiver; and transmitting, by the transmitter, a data field to the receiver; wherein the first LTF, the VHT-SIG-A field, the second LTF, the VHT-SIG-B field and the data field are sequentially transmitted, wherein the second LTF and the data field are mapped to at least one spatial stream based on a mapping matrix, wherein the first LTF and the VHT SIG-A field are not applied by the mapping matrix, and wherein the VHT-SIG-B field is mapped to the at least one spatial stream based on a single column vector and the mapping matrix.