Mobility

On the Capacity Region of Promising Multiple Access Techniques

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Executive Summary

One of the important issues involved in the development of future wireless communication systems is the multiple access technique employed to share the available spectrum among users efficiently. In this paper, the authors present intensive investigation on the capacity region of conventional and some promising multiple access techniques for mobile cellular systems. Analysis is carried out for 2-user uplink Additive White Gaussian Noise (AWGN) channel of a single isolated cell. Among all other techniques, results show that Spatial Division Multiple Access (SDMA) can increase the channel capacity significantly and hence, it becomes the best competitive method for current and future communications.

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