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Design of New Quasi-Orthogonal STBC with Minimum Decoding Complexity for Four Transmit Antennas

Changhyeon CHAE, Taejin JUNG, Intae HWANG

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Summary :

A new Space-Time Block Code (STBC) achieving full rate and full diversity for general QAM and four transmit antennas is proposed. This code also possesses a quasi-orthogonal (QO) property like the conventional Minimum Decoding Complexity QO-STBC (MDC-QO-STBC), leading to joint ML detection of only two real symbols. The proposed code is shown to exhibit the identical error performance with the existing MDC-QO-STBC. However, the proposed code has an advantage in transceiver implementation since this code can be modified so that the increase of PAPR occurs on only two transmit antennas, whereas MDC-QO-STBC incurs a PAPR increase on all transmit antennas.

Publication
IEICE TRANSACTIONS on Communications Vol.E91-B No.10 pp.3368-3370
Publication Date
2008/10/01
Publicized
Online ISSN
1745-1345
DOI
10.1093/ietcom/e91-b.10.3368
Type of Manuscript
LETTER
Category
Wireless Communication Technologies

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