Title

Combining Orthogonal Space Time Block Codes with Adaptive Sub-group Antenna Encoding

Abstract

An adaptive space time transmit diversity scheme with simple feedback is proposed for the next generation wireless communication systems. by combining orthogonal space time block codes with adaptive sub-group antenna encoding, this new diversity scheme can effectively exploit the diversity potential provided by multiple antenna arrays without introducing interference among the signals transmitted at different antennas. In order to reduce the amount of feedback information as well as the computational complexity, a new quadrant phase constraining method is introduced to formulate the feedback information. with simple operations at both the transmitter and the receiver, the new adaptive diversity scheme outperforms not only open loop space time block encoding techniques, but also some close loop transmit diversity techniques with the same amount of feedback.

Department(s)

Electrical and Computer Engineering

Sponsor(s)

National Science Foundation (U.S.)
University of Missouri--Columbia Research Council

Keywords and Phrases

Adaptive Antenna; Orthogonal Space Time Block Codes; Transmit Diversity

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2005 Springer-Verlag, All rights reserved.


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