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Cancellation of co-channel interference and inter-symbol interference in a MIMO communication system
Cancellation of co-channel interference and inter-symbol interference in a MIMO communication system
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机译:消除MIMO通信系统中的同频干扰和符号间干扰
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摘要
Recently, the multiple-input multiple-output system has been investigated. This provides a considerable increase in throughput at relatively small cost in terms of bandwidth. However, the processing overhead for this type of communication technique is significant. In addition, this type of system involves considerable processing overhead in tying to remove inference both from unknown co-channel interference (CCI) from external interferers as well as inter symbol interference (ISI).;The scheme of the invention contains two space-time filters, which can be operated sequentially. The primary purpose of the first filter is CCI cancellation whereas the primary purpose of the other filter is ISI cancellation. This separation of processing the ISI and CCI whilst operating an integrated channel estimation scheme provides considerable improvements over the prior art systems. Each filter can be optimised to the removal of the specific type of interference.
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