We study the capacity of a single-user channel with multiple antennas and limited feedback. The receiver has perfect channel knowledge, and can relay B bits, which specify a beamforming vector, to the transmitter. We show that a Random Vector Quantization scheme is asymptotically optimal, and give a simple expression for the associated capacity.
|Original language||English (US)|
|Number of pages||1|
|Journal||IEEE International Symposium on Information Theory - Proceedings|
|State||Published - Oct 20 2004|
ASJC Scopus subject areas
- Electrical and Electronic Engineering