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US09048897B2 Cooperative wireless networks 有权
合作无线网络

Cooperative wireless networks
Abstract:
A cooperative multi-user multiple input, multiple output (MIMO) system coordinates spatially distributed network transceiver nodes for communicating with wireless client devices. A MIMO processor pre-codes data for transmission from the network transceiver nodes, wherein the pre-coding comprises subspace coding derived from channel measurements between the network transceiver nodes and the wireless client devices. A network controller coordinates the network transceiver nodes to transmit simultaneous non-interfering channels within a common frequency to the wireless client devices such that each client device receives a subspace-coded transmission from each of the network transceiver nodes. The client devices and/or the network transceiver nodes may be selected based on channel state information and/or measured channel quality.
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