Subband Adaptive Array for Space-Time Block Coding

  • Authors:

  • Nordin Bin Ramli;Xuan Nam Tran;Tetsuki Taniguchi;Yoshio Karasawa

  • Affiliations:

  • The authors are with the Advanced Wireless Communication Research Center (AWCC), The University of Electro-Communication, Chofu-shi, 182-8585 Japan. E-mail: nordin@radio3.ee.uec.ac.jp,;The authors are with the Advanced Wireless Communication Research Center (AWCC), The University of Electro-Communication, Chofu-shi, 182-8585 Japan. E-mail: nordin@radio3.ee.uec.ac.jp,;The authors are with the Advanced Wireless Communication Research Center (AWCC), The University of Electro-Communication, Chofu-shi, 182-8585 Japan. E-mail: nordin@radio3.ee.uec.ac.jp,;The authors are with the Advanced Wireless Communication Research Center (AWCC), The University of Electro-Communication, Chofu-shi, 182-8585 Japan. E-mail: nordin@radio3.ee.uec.ac.jp,

  • Venue:
  • IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
  • Year:
  • 2006

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Abstract

Diversity transmission using space-time block coding (STBC) shows a degraded performance in frequency selective fading (FSF) channel. In this paper, assuming the CSI is unknown at both transmitter and receiver while a pilot signal is available during the training period, we propose a MIMO transmission scheme using STBC by adopting subband adaptive array (SBAA) processing. The receive signal is converted into the frequency-domain and adaptive processing is done at each subband. A novel construction of SBAA is introduced to process received signal based on STBC. Simulation results demonstrate that the proposed scheme has a better performance compare to conventional STBC, and has a better performance and less computational load compare to STBC-TDLAA.