Optimum Resource Allocation for Relay Networks with Differential Modulation
Woong Cho; Liuqing Yang
Communications, IEEE Transactions on
Volume 56, Issue 4, April 2008 Page(s):531 - 534
Digital Object Identifier   10.1109/TCOMM.2008.060104
Summary:In this paper, we investigate the resource allocation in a differentially modulated relay network. In addition to the energy optimization, we also consider location optimization to minimize the average symbol error rate (SER). The closed- form solution is derived for the single-relay case, and formulas allowing numerical search are provided for multiple-relay cases. Analytical and simulated comparisons confirm that the optimized systems provide considerable improvement over the unoptimized systems, and that the minimum SER can be achieved via the joint energy-location optimization.

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