2012•IEICE Transactions on CommunicationsRequires access

Full Diversity Full Rate Cyclotomic Orthogonal Space-Time Block Codes for MIMO Wireless Systems

Hua Jiang, Kanglian Zhao, Yang Li, Sidan Du

Abstract

In this letter we design a new family of space-time block codes (STBC) for multi-input multi-output (MIMO) systems. The complex orthogonal STBC achieves full diversity and full transmission rate with fast maximum-likelihood decoding when only two transmit antennas are employed. By combining the Alamouti STBC and the multidimensional signal constellation rotation based on the cyclotomic number field, we construct cyclotomic orthogonal space-time block codes (COSTBCs) which can achieve full diversity and full rate for multiple transmit antennas. Theoretical analysis and simulation results demonstrate excellent performance of the proposed codes, while the decoding complexity is further reduced.

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Key concepts: Space–time block code, Block code, Full Rate, Computer science, MIMO, Diversity gain, Decoding methods, Transmit diversity