Rateless coding for MIMO fading channels: performance limits and code construction

Authors:
Yijia Fan;Lifeng Lai;Elza Erkip;H. Vincent Poor
Affiliations:
Department of Electrical Engineering, Princeton University, Princeton, NJ;Department of Systems Engineering, University of Arkansas at Little Rock, Little Rock, AR;Department of Electrical and Computer Engineering, Polytechnic Institute of New York University, Brooklyn, NY;Department of Electrical Engineering, Princeton University, Princeton, NJ
Venue:
IEEE Transactions on Wireless Communications
Year:
2010

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Abstract

In this letter the performance limits and design principles of rateless codes over fading channels are studied. The diversity-multiplexing tradeoff (DMT) is used to analyze the system performance for all possible transmission rates. It is revealed from the analysis that the design of such rateless codes follows the design principle of approximately universal codes for multiple-input multiple-output (MIMO) channels. It is also shown that for a single-input single-output (SISO) channel, simple permutation codes of unit length for parallel channels can be transformed directly into rateless codes that achieve the DMT performance limit of the channel.