Bit error probability for space-time block code with coherent and differential detection

Document Type

Conference Proceeding

Publication Date

1-1-2002

Abstract

Exact, closed-form expressions of bit error probability (BEP) are derived for space-time block codes (STBC) based on Alamouti's scheme and utilizing M-ary phase shift keying (MPSK) modulation. The analysis is carried out for the slow, flat fading Rayleigh channel with coherent detection and with differential encoding/decoding. With these closed-form expressions, we prove that a signal to noise ratio (SNR) loss of approximately 3 dB is paid for deferential detection compared to coherent detection. Numerical results are provided for analysis and simulations for BPSK and QPSK modulations.

Identifier

0036443993 (Scopus)

Publication Title

IEEE Vehicular Technology Conference

ISSN

07400551

First Page

410

Last Page

414

Issue

1

Volume

56

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