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Type: Artigo de periódico
Title: Using adaptive arrays for collision resolution in slotted ALOHA packet radio systems
Author: Cavalcanti, FRP
Romano, JMT
Abstract: This paper discusses a general framework for evaluating the throughput performance of adaptive antenna arrays when the Slotted ALOHA protocol is employed as the random access mechanism for wireless packet transmission. A novel blind adaptive algorithm is presented and its performance is assessed by comparison with the minimum mean squared error (MMSE). Tno propagation scenarios are considered: line of sight and Rayleigh fading, The results are obtained through a mis of analysis and simulation and it is shown that the proposed algorithm allows the antenna array to attain a high fraction of the optimal MMSE gains without resorting to training sequences.
Subject: adaptive antennas
packet radio
multiuser detection
Country: Coreia do Sul
Editor: Korean Inst Communications Sciences (k I C S)
Rights: fechado
Date Issue: 2000
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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