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IEICE TRANSACTIONS on Communications

A Study on an Antenna Selection Scheme for Space-Time Turbo Code for OFDM Systems

Masayuki HOSHINO, Mitsuru UESUGI, Takeo OHGANE, Yasutaka OGAWA, Toshihiko NISHIMURA

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Summary :

Space-Time Turbo code is an effective method for the enhancement of link capacity and maximizing the link-budget by balancing the coding gain obtained via Turbo codes and the diversity gain obtained through multiple antenna transmission. A study on an antenna selection scheme for Space-Time Turbo code for OFDM systems is presented in this paper. In the proposed method, the systematic bits and the punctured parity bits are sent from the selected antenna for each sub-carrier, while data transmission is suspended from the antenna experiencing poor channel conditions at the receiver. Simulation results show that the proposed method yields a 2.2 dB gain in the required TxEb/N0 relative to the conventional method, and makes the channel estimation accuracy more robust. Moreover, the proposed method reduces transmission power by about 4 dB compared to the conventional method.

Publication
IEICE TRANSACTIONS on Communications Vol.E86-B No.12 pp.3476-3482
Publication Date
2003/12/01
Publicized
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DOI
Type of Manuscript
Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
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