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Performance of adaptive coding by selection of space-time block code matrix [3G mobile communication]

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3 Author(s)
S. Niida ; Mobile Commun. Lab., KDDI Corp., Tokyo, Japan ; T. Inoue ; Y. Takeuchi

The 3G mobile communication systems are currently spreading throughout the world and high speed data services on mobile systems such as streaming video, streaming audio and video phone are being widely utilized by the public at large. As higher speed rate services are infiltrated, the provision of wider band wireless systems is expected. MIMO systems, which equip several antennas with both a transmitter and receiver, have recently been attracting much attention. Space-time coding is a technique that exploits transmission diversity and achieves high performance under a fading environment. The space-time block code (STBC) is attracting particular attention for its high performance and decoding simplicity. We propose an adaptive coding scheme using the STBC. It changes the STBC pattern and the modulation symbol according to the receiving condition. In this paper, we discuss this scheme and evaluate its throughput and transmission power performances based on simulation results using ideal propagation environments and measured data in the experiment.

Published in:

Vehicular Technology Conference, 2004. VTC2004-Fall. 2004 IEEE 60th  (Volume:4 )

Date of Conference:

26-29 Sept. 2004