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In this paper, we propose a low complexity MU(multi-user)-MIMO precoding method and show ASIP (application specific instruction-set processor) implementation results of both CSI (channel state information) feedback and our precoding method. To realize DL(downlink)-MU-MIMO transmission, the MU-MIMO precoding and CSI feedback are required in AP (access point) and STA (station) respectively for canceling...
In this paper, we propose a low complexity MU(multi-user)-MIMO precoder and show its ASIP (application specific instruction-set processor) implementation result. To realize DL(downlink)-MU-MIMO transmission, the MU-MIMO precoder is required in AP (access point) side for canceling an IUI (inter-user interference). However, a conventional IBD (iterative block diagonalization) precoder has a high computational...
In Multiple Input Multiple Output (MIMO) decoders, soft decision in the form of Log Likelihood Ratio (LLR) is often used to enhance the error correction probability of the Forward Error Correction (FEC). In order to compute the LLR, the zero's probability and the one's probability of an information bit must be known. In case of using the K-best maximum likelihood detection (MLD), only a subset of...
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