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|Title:||Iteratively decoded variable length space-time coded modulation: Code construction and convergence analysis|
|Citation:||Ng, S.X., Wang, J., Tao, M., Yang, L.-L., Hanzo, L. (2007-05). Iteratively decoded variable length space-time coded modulation: Code construction and convergence analysis. IEEE Transactions on Wireless Communications 6 (5) : 1953-1962. ScholarBank@NUS Repository. https://doi.org/10.1109/TWC.2007.360396|
|Abstract:||An Iteratively Decoded Variable Length Space Time Coded Modulation (VL-STCM-ID) scheme capable of simultaneously providing both coding and iteration gain as well as multiplexing and diversity gain is proposed. Non-binary unity-rate precoders are employed for assisting the iterative decoding of the VL-STCM-ID scheme. The discrete-valued source symbols are first encoded into variable-length codewords that are mapped to the spatial and temporal domains. Then the variable-length codewords are interleaved and fed to the precoder assisted modulator. More explicitly, the proposed VL-STCM-ID arrangement is a jointly designed iteratively decoded scheme combining source coding, channel coding, modulation as well as spatial diversity/multiplexing. As expected, the higher the source correlation, the higher the achievable performance gain of the scheme becomes. Furthermore, the performance of the VL-STCM-ID scheme is about 14.6 dB better than that of the Fixed Length STCM (FL-STCM) benchmarker at a source symbol error ratio of 10-4. © 2007 IEEE.|
|Source Title:||IEEE Transactions on Wireless Communications|
|Appears in Collections:||Staff Publications|
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