Source: Institute of Electrical and Electronics Engineers

Date: January 2008

Type: White Paper

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Overview: When dealing with multi-user networks, one possibility is to simply use MIMO technology to provide highly spectral-efficient transmissions over each individual link while coordinating all multi-user access using traditional methods. The technology for such an approach, however, is largely in place, and using all spatial degrees of freedom for increasing throughput ignores the possibility of using space-time processing for higher-level network functions such as power control, multiple access, message routing, etc. Future research in this area must examine integrating the space-time processing capabilities of networks with MIMO-enabled nodes to increase overall network capacity and facilitate other aspects of multi-user communication.

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