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WIRELESS COMMUNICATION METHOD AND APPARATUS FOR PERFORMING MULTI-USER DETECTION USING REDUCED LENGTH CHANNEL IMPULSE RESPONSES
WIRELESS COMMUNICATION METHOD AND APPARATUS FOR PERFORMING MULTI-USER DETECTION USING REDUCED LENGTH CHANNEL IMPULSE RESPONSES
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机译:利用减少的长度信道脉冲响应进行多用户检测的无线通信方法和装置
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摘要
Joint detection is performed in a multi-user detector (MUD) using reduced length channel impulse responses and using interference cancellation (IC) in the dimension of delay spread as a whole, whereby several clusters of smaller delay spread are processed. Several clusters of real transmitted paths that are close to each other are grouped together and zeros that occur between the path cluster groups are discarded. Each cluster group has a much shorter delay spread and thus has smaller dimensions of system matrix A. Mutual interference occurring between the path cluster groups is eliminated by applying an interference cancellation technique.
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