A fair MAC protocol for resource sharing in ad-hoc cognitive networks
作者： Carla Passiatore , Pietro Camarda
DOI: 10.1007/S11235-013-9835-6
关键词: Quality of service 、 Protocol (object-oriented programming) 、 Wireless ad hoc network 、 Cognitive network 、 Computer network 、 Fairness measure 、 Cognitive radio 、 Computer science 、 Shared resource 、 Protocol stack
摘要: Cognitive Radio (CR) technology allows an opportunistic use of the licensed spectrum by CR users, avoiding harmful interference to Primary Users (PUs). To perform their activity, secondary users (SUs) have particular features compared PUs; sensing is one principal. Specifically must detect holes left PUs performing sensing. All protocol stack need be redesigned taking into account specificity cognitive environment. In this paper a novel MAC for radio wireless ad-hoc networks presented and analysed. The introduced distributed, collision-free guarantees fair channel assignment, also requests Quality Service (QoS) nodes. performance has been studied through statistical computations. particular, Markov chain study global protocol. addition simulation tool developed validate mathematical model prove fairness resource sharing mechanism. results efficiency high fairness, measured with help Jain's index.
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