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Equalizer's Use Limitation for Complexity Reduction in a Green Radio Receiver

Abstract : This work is about reducing energy consumption in the receiver chain by limiting the use of the equalizer. It is to make the radio receiver aware of its environment and able to take decision to turn on or off the equalizer according to its necessity or not. When the equalizer is off , the computational complexity is reduced and the rate of reduction depends on the percentage of time during which this component is disabled. In order to achieve this scenario of adapting the use of the equalizer, we need to develop a decision making technique that provides to the receiver the capacities of awareness and adaptability to the state of its environment. For this, we improve a technique based on a statistical modeling of the environment by defining two metrics as channel quality indicators to evaluate the effect of the inter-symbol interferences and the channel fading. The statistical modeling technique allows to take into account the impact of the uncertainties of the estimated metrics on the decision making.
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Contributor : Myriam Andrieux Connect in order to contact the contributor
Submitted on : Tuesday, January 15, 2013 - 10:36:27 AM
Last modification on : Thursday, January 20, 2022 - 12:54:10 PM

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Salma Bourbia, Daniel Le Guennec, Jacques Palicot, Khaled Grati, Adel Ghazel. Equalizer's Use Limitation for Complexity Reduction in a Green Radio Receiver. Journal of Computer Networks and Communications, Hindawi Publishing Corporation, 2013, 2013, Article ID 794202, 15 p. ⟨10.1155/2013/794202⟩. ⟨hal-00776162⟩



Les métriques sont temporairement indisponibles