Title :
Matrix modulation and adaptive retransmission
Author :
Hottinen, Ari ; Tirkkonen, OIav
Author_Institution :
Nokia Res. Center, Espoo, Finland
Abstract :
We consider different high rate space-time modulation methods and related (re)transmission strategies in a MIMO channel. The proposed matrix modulators exploit the MIMO channel in increasing the peak rate via power-efficient parallel transmission, whereas the self-orthogonalizing retransmission and signal combining strategies improve ultimate throughput.
Keywords :
MIMO systems; adaptive modulation; antenna arrays; automatic repeat request; modulators; MIMO channel; adaptive modulation; adaptive retransmission; automatic repeat request protocol; matrix modulation; peak rate; power-efficient parallel transmission; self-orthogonalizing retransmission; signal combining strategies; space-time modulation methods; Automatic repeat request; Diversity methods; Diversity reception; MIMO; Modulation coding; Protocols; Receiving antennas; Space time codes; Throughput; Transmitting antennas;
Conference_Titel :
Signal Processing and Its Applications, 2003. Proceedings. Seventh International Symposium on
Print_ISBN :
0-7803-7946-2
DOI :
10.1109/ISSPA.2003.1224680
