New design of no-zero-entry single symbol ML decodable STBCs based on group precoding

doi:10.1016/S1005-8885(10)60086-6

Acta Metallurgica Sinica(English letters) ›› 2011, Vol. 18 ›› Issue (4): 70-75.doi: 10.1016/S1005-8885(10)60086-6

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New design of no-zero-entry single symbol ML decodable STBCs based on group precoding

Received:2010-12-27 Revised:2011-03-31 Online:2011-08-31 Published:2011-08-24
Contact: Weixing Sheng E-mail:shengwx@mail.njust.edu.cn

Abstract

Abstract:

In multiple-input multiple-output (MIMO) systems, space–time block codes (STBCs) from orthogonal designs (ODs) and coordinate interleaved orthogonal designs (CIOD) have been attracting wider attention due to their amenability for fast (single symbol) maximum-likelihood (ML) decoding, and full-rate with full-rank over quasi-static fading channels. However, most of these codes, for transmitting antennas more than 4, have large number of zero entries in their codeword matrix. Due to the zero entries in the design, the transmitting antennas need to be switched on and off imposing severe hardware constraints. To solve this problem, we propose a method to generate a new class of no-zero-entry single symbol maximum likelihood decodable STBCs (NZESSDCs), which is based on coordinate interleaving and group precoding technique. The ability of the proposed group precoding based NZESSDCs (called G-NZESSDCs) on single symbol ML Decoding and full diversity are analyzed and derived. The performance evaluation is accomplished by numerical simulation and is compared with recently reported NZESSDCs (called C-NZESSDCs). Compared with C-NZESSDCs, the proposed G-NZESSDCs have same bit-error-rate (BER) performance and better peak-to-average ratio (PAPR) performance.

Key words:

space time block code, full diversity, MIMO

PHAM Van-bien, SHENG Wei-xing, MA Xiao-feng, WANG Hao. New design of no-zero-entry single symbol ML decodable STBCs based on group precoding[J]. Acta Metallurgica Sinica(English letters), 2011, 18(4): 70-75.

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New design of no-zero-entry single symbol ML decodable STBCs based on group precoding

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