Patent ID: 9590832
Date: 2017-03-07
CPC Classifications: H04L

Claim:
1. A method, comprising: receiving, at a transceiver and via a reverse communication channel, a first data unit via a plurality of orthogonal frequency division multiplexing (OFDM) subcarriers, the first data unit having been modulated using OFDM modulation; determining, at the transceiver, an estimate of a forward communication channel based on the received first data unit; determining, at the transceiver and based on the estimate of the forward channel, a plurality of bit rates for the plurality of OFDM subcarriers, wherein the plurality of bit rates includes at least a first bit rate and a second bit rate, the first bit rate being different than the second bit rate; and transmitting, from the transceiver, a second data unit on a first OFDM subcarrier using the first bit rate and on a second OFDM subcarrier using the second bit rate, the second data unit modulated using OFDM modulation, wherein transmitting the second data unit via the first and second OFDM subcarriers is done using a single spatial stream.