NDLI: On the use of Reed-Solomon codes in Space-Time Coding

Content Provider	IEEE Xplore Digital Library
Author	Lalam, M. Amis, K. Leroux, D.
Copyright Year	2005
Description	Author affiliation: SC Dept. Technopole Brest Iroise, GET-ENST Bretagne, Brest (Lalam, M.; Amis, K.; Leroux, D.)
Abstract	In this paper, we present an original use of Reed-Solomon (RS) codes as space-time block codes (STBCs) and compare them to orthogonal STBCs (OSTBCs). Due to their symbol structure, they can have a representation close to that of an STBC. RS codes are admittedly more complex to decode as they have no orthogonal properties. However, they offer much higher coding rates. In addition, a wide range of these codes can be easily generated. To decode them, we have developed a new algorithm using a sliding encoding-window (SEW), which is combined with the decoding-based Chase algorithm. We compare the RS(15,7) code to the Alamouti one, both having an equivalent coding rate. Its performance compared to Alamouti gets better as the receive diversity increases. Moreover, RS codes do not require the channel to remain constant over the code duration. In fact, they offer better results if the channel changes rapidly, which can be obtained virtually by introducing interleaving
Starting Page	31
Ending Page	35
File Size	955509
Page Count	5
File Format	PDF
ISBN	9783800729098
DOI	10.1109/PIMRC.2005.1651393
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-09-11
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reed-Solomon codes Decoding Modulation coding Block codes MIMO Transmitting antennas Receiving antennas Signal to noise ratio Ambient intelligence Interleaved codes Sliding Encoding-Window Multiple-Input Multiple-Output (MIMO) Space-Time Block Code (STBC) Reed-Solomon (RS) code Chase algorithm
Content Type	Text
Resource Type	Article

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