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Boosted MIMO system with power weighting

Boosted MIMO system with power weighting

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Presented are new features of the boosted system, which is a BI-STCM-ID-like space-time diversity scheme, designed for 2×2 MIMO wireless channels. A simple method, involving power control of the signals transmitted by two antennas, is delivered to diminish bit error rate and match the system behaviour to varying SNR. Its usefulness is proven by analytic tools (EXIT chart, EF bound calculation), and simulation results.

Inspec keywords: error statistics; interleaved codes; space-time codes; MIMO communication; diversity reception; wireless channels; iterative decoding; antenna arrays

Other keywords: bit-interleaved space-time coded modulation; boosted MIMO system; iterative decoding; BI-STCM- ID-like space-time diversity; bit error rate; SNR; MIMO wireless channels; power weighting; antennas

Subjects: Other topics in statistics; Antenna arrays; Radio links and equipment; Codes

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      • Y. Huang , J.A. Ritcey . Improved 16-QAM constellation labeling for BI-STCM-ID with the Alamouti scheme. IEEE Commun. Lett. , 157 - 159
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      • Ganesan, G., Stoica, P., Larsson, E.G.: `Diagonally Weighted Orthogonal Space-Time Block Codes', Proc. Thirty-Sixth Asilomar Conf. on Signals, Systems and Computers, Nov. 2002, 2, p. 1147–1151, Pacific Grove, USA.
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