Reuse 1 in WiMAX Networks with Beamforming

Abstract :

In this paper, we examine the performance of adaptive beamforming in connection with three different subcarrier permutation schemes (PUSC, FUSC and AMC) in WiMAX cellular network with frequency reuse 1. Performance is evaluated in terms of radio quality parameters and system throughput. We show that organization of pilot subcarriers in PUSC Major groups has a pronounced effect on system performance while considering adaptive beamforming. Adaptive beamforming per PUSC group offers full resource utilization without need of coordination among base stations. Though FUSC is also a type of distributed subcarrier permutation, its performance in terms of outage probability is somewhat less than that of PUSC. We also show that because of lack of diversity, adjacent subcarrier permutation AMC has the least performance as far as outage phenonmenon is concerned. Results in this paper are based on Monte Carlo simulations performed in downlink.

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Masood Maqbool, Marceau Coupechoux, Philippe Godlewski. Reuse 1 in WiMAX Networks with Beamforming. Wireless World Research Forum, WWRF22, May 2009, Paris, France. pp.1-5. ⟨hal-01547180⟩

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