A Novel Relay Cooperative Transmission Scheme with Bit Re-Ordering and Orthogonalization

doi:10.13190/jbupt.201001.65.216

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2010, Vol. 33 ›› Issue (1): 65-69.doi: 10.13190/jbupt.201001.65.216

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A Novel Relay Cooperative Transmission Scheme with Bit Re-Ordering and Orthogonalization

WANG Chao-wei1,2；LI Li-hua1,2；XU Yong-tai1,2；WANG Hai-feng2

(1.Key Laboratory of Universal Wireless Communcation(Beijing University of Posts and Telecommuncations), Ministry of Education, Beijing 100876, China; 2.Wireless Technology Innovation Institute, Beijing University of Posts and Telecommunications, Beijing 100876, China;3.Wireless Modem System Research, Device R&D, Nokia, Shanghai 200002, China)

Received:2009-06-23 Revised:2009-09-28 Online:2010-02-28 Published:2010-02-28
Contact: WANG Chao-Wei

Abstract

Abstract:

A relay cooperative scheme is proposed for cellular orthogonal frequency division multiplexing (OFDM) system: source station reorganizes and recombines the bits stream, destination station combines the signals from the two independent paths: direct and relay links, signals are redesigned. Furthermore, a supplementary strategy of sub-carrier symbol re-allocation is proposed to enhance the system. Simulations show that the proposed scheme achieves transmit diversity and improves system performance.

Key words: cooperative transmission, transmit diversity, orthogonal frequency division multiplexing, relay

WANG Chao-wei1,2；LI Li-hua1,2；XU Yong-tai1,2；WANG Hai-feng2. A Novel Relay Cooperative Transmission Scheme with Bit Re-Ordering and Orthogonalization[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2010, 33(1): 65-69.

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A Novel Relay Cooperative Transmission Scheme with Bit Re-Ordering and Orthogonalization

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