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Enhanced Multi-Antenna Technologies on OFDM for Future Mobile Communication Systems

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Abstract

Various types of multi-antenna techniques have been discussed to realize high speed data transmission in mobile communication systems. Those multiple antenna systems obtain space diversity gain by utilizing multi-paths as independent channels from transmitter and receiver. One important issue to utilize the powerful diversity gains of those multi-antenna technologies is how to create independent channels between transmitter and receiver. Almost all of conventional multi-antenna technologies have been discussed with assuming that there is not any correlation among channels between transmitter and receiver. However in realistic world this assumption is not always true and the correlation among channels becomes very high. This high correlation drastically degrades the performance of those multi-antenna technologies. In this paper we present an enhanced transmission diversity method to solve the problem of high correlation among channels. The following contents of this paper mainly focus on the Space Time Turbo Coding in OFDM systems, however the concept of the presented method can be adopted in various types of multi-antenna systems.

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Authors and Affiliations

  1. R&D Center, Panasonic Mobile Communications Co., Ltd, 5-3, Hikarinooka, Yokosuka City, Kanagawa, 239-0847, Japan

    Kenichi Miyoshi, Osamu Kato, Atsushi Matsumoto & Mitsuru Uesugi

  2. The Department of Communications and Integrated Systems, Graduate School of Science and Engineering, Tokyo Institute of Technology, Tokyo, Japan

    Hiroshi Suzuki

Authors
  1. Kenichi Miyoshi
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  2. Osamu Kato
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  3. Atsushi Matsumoto
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  4. Mitsuru Uesugi
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  5. Hiroshi Suzuki
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Miyoshi, K., Kato, O., Matsumoto, A. et al. Enhanced Multi-Antenna Technologies on OFDM for Future Mobile Communication Systems. Wireless Personal Communications 26, 237–248 (2003). https://doi.org/10.1023/A:1025586722048

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  • DOI: https://doi.org/10.1023/A:1025586722048

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