A complementary codes pilot-based transmitter diversity technique for OFDM systems

Authors:
Meng-Lin Ku;Chia-Chi Huang
Affiliations:
Dept. of Commun. Eng., National Chiao Tung Univ., Hsinchu, Taiwan;-
Venue:
IEEE Transactions on Wireless Communications
Year:
2006

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Abstract

This letter presents a complementary codes pilot-based space-time block code/orthogonal frequency division multiplex (STBC/OFDM) system. In this system, a pair of complementary codes transmitted in a pre-defined order with the OFDM data signals is used as the pilot signals in a two-antenna transmitter diversity system, and used to estimate the channels for optimal data detection at the receiver side. A complete receiver architecture has been designed and Monte Carlo simulations have been used to verify the performance of the system in mobile radio fading channels.