Adaptive modulation for multiple antenna channels

  title={Adaptive modulation for multiple antenna channels},
  author={June Chul Roh and B. V. Rao},
  journal={Conference Record of the Thirty-Sixth Asilomar Conference on Signals, Systems and Computers, 2002.},
  pages={526-530 vol.1}
We consider the use of adaptive modulation scheme for a multiple transmit and multiple receive antenna system with instantaneous channel information known to both the receiver and the transmitter. We derive an efficient bit allocation algorithm which maximizes the transmission rate for a given transmit power. The algorithm is generally a greedy algorithm; however, we derive a sufficient condition for the bit allocation algorithm to be globally optimal, which is found to satisfy all digital… CONTINUE READING
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