IEEE Transactions on Communications · 1993 · 124 citations · 25 references
EngineeringComputer ScienceElectrical EngineeringAntennasComputer NetworksWireless CommunicationsAntenna ArraysArray ProcessingBeamformingCommunication NetworksMultiple Access TechniquesWireless NetworksAdaptive AntennasAdaptive Beam SteeringAdaptive BeamformingAdaptive Communication SystemsAdaptive NullingAntenna AnalysisAntenna Array PatternsBeamforming Algorithms
The authors consider the use of a multiple-beam adaptive array (MBAA) in a packet radio system. In an MBAA, a given set of antenna elements is used to form several antenna patterns simultaneously. When it is used in a packet radio system, an MBAA can successfully receive two or more overlapping packets at the same time. Each beam captures a different packet by automatically pointing its pattern toward one packet while nulling other, contending packets. It is shown how an MBAA can be integrated into a single-hop slotted ALOHA packet radio system, and the resulting throughput is analyzed for both finite- and infinite-user populations.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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A Proof for the Queuing Formula: <i>L</i> = λ<i>W</i>
John D. C. Little · Operations Research · 1961 · 2.7K citations