CPC H04B 7/0452 (2013.01) [H04B 7/0434 (2013.01); H04B 7/0456 (2013.01); H04B 7/0617 (2013.01); H04B 7/0632 (2013.01); H04B 7/0658 (2013.01); H04B 7/066 (2013.01); H04L 1/0029 (2013.01); H04L 1/003 (2013.01); H04L 1/0687 (2013.01); H04L 1/0693 (2013.01); H04L 25/0204 (2013.01); H04B 7/0478 (2013.01)] | 20 Claims |
1. A method for use by a receiving device, the method comprising:
receiving a signal and determining a precoding matrix associated with a codebook for at least one subcarrier;
transmitting a first index value and a second index value, wherein the determined precoding matrix is determinable by using both the first index value and the second index value;
and receiving a precoded signal using a plurality of antennas based on the first index value and second index value.
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