Using Cross-System Diversity in Heterogeneous Networks: Throughput Optimization

Abstract : This paper investigates the situation where a group of terminals can be simul- taneously connected to several base stations using distinct technologies on non- overlapping frequency bands. We introduce and solve the problem of optimal power allocation (in the sense of the ergodic sum-rate) for the terminals in the uplink, using three types of receivers: the optimum receiver, minimum mean square error and matched filters. Key results from random matrix theory allow us to solve the corresponding optimization problems. Simulations validate our approach and illus- trate the performance gain obtained by using several technologies simultaneously instead of one at a time.
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Submitted on : Thursday, October 2, 2008 - 4:57:12 PM
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Samson Lasaulce, Alberto Suarez, Raul de La Cerda Nieto, Merouane Debbah. Using Cross-System Diversity in Heterogeneous Networks: Throughput Optimization. Performance Evaluation, Elsevier, 2008. ⟨hal-00326357⟩

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