A per-stream coded bit loading algorithm for MIMO BIC-OFDM systems

This paper deals with bit-loading techniques for a multiple-input multiple-output bit-interleaved coded orthogonal frequency division multiplexing (MIMO BIC-OFDM) system. The per-stream coded bit loading algorithm is proposed based on a spatial domain power adaptation. For each spatial stream, a dif...

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Vydané v:2010 International ITG Workshop on Smart Antennas s. 240 - 243
Hlavní autori: Cheolkyu Shin, Hyuncheol Park, Joonhyuk Kang, Eunhye Nam
Médium: Konferenčný príspevok..
Jazyk:English
Vydavateľské údaje: IEEE 01.02.2010
Predmet:
AMC
Bit-loading algorithm
Feedback
Helium
Interleaved codes
Loaded antennas
Matrix decomposition
MIMO
MIMO BIC-OFDM
OFDM modulation
Receiving antennas
Spatial domain power adaptation
Throughput
Transmitters
ISBN:1424460700, 9781424460700
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Popis
Shrnutí:This paper deals with bit-loading techniques for a multiple-input multiple-output bit-interleaved coded orthogonal frequency division multiplexing (MIMO BIC-OFDM) system. The per-stream coded bit loading algorithm is proposed based on a spatial domain power adaptation. For each spatial stream, a different power constraint is assigned using an initial power allocation (IPA) combined with the residual power diversion (RPD). Simulation results verify that the proposed bit loading scheme yields significant capacity gain compared to the existing bit loading algorithms. We also discuss a channel decomposition technique to reduce the feedback overhead.
ISBN:1424460700
9781424460700
DOI:10.1109/WSA.2010.5456445