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Optimization of MIMO Channels Using an Adaptive LPC Method

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Document pages: 6 pages

Abstract: In this paper, the overall design of bit loading and receive filters for a multiple-input multiple-output communication area. The sender and the receiver are assumed to know the channel matrix perfectly. The transmission rate to the channel is adopted by assigning bits dynamically to the sub-channels of the MIMO system. A variable rate MIMO system with a decision feedback and feed forward receiver is considered. The sub-matrices are generated that can be updated as time evolves. Adaptive predictive quantization is used for the feedback of bit loading to take use of the time correlation inherited from the temporary correlated channel. To solve the optimal predictor of another bit loading for predictive quantization & get the statistics of the prediction error using this method. The quantizer is designed to achieve a lesser quantization error. The process of comparing the decoding method is proposed to increase the design and its technology.

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