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首页> 外文期刊>IOSR journal of electrical and electronics engineering >MAC Layer strategies in Cognitive Radio Networks DSA protocols for cognitive networks
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MAC Layer strategies in Cognitive Radio Networks DSA protocols for cognitive networks

机译：认知无线电网络中用于认知网络的DSA协议中的MAC层策略

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摘要

the main objective of the cognitive radio is to obtain the best available spectrum through cognitive capability and reconfigurable ability the key component of dynamic spectrum access in Cognitive radio network is dynamic spectrum sharing, which is responsible for providing efficient and fair spectrum allocation or scheduling solutions among primary and secondary users. Spectrum sharing was generally regarded as similar to generic medium access control (MAC) problems in existing wireless systems. The function of MAC is to coordinate the access among the competing nodes in an orderly and efficient manner to maximize throughput, guarantee an acceptable delay and fair access which consider as a big challenge in CR networks with a dynamic environment. The purpose of this paper is to provide the essential concepts and background related to MAC layer for Cognitive Radio networks, classification of cognitive MAC protocols, advantages, drawbacks and design challenges of cognitive MAC protocols.
机译：认知无线电的主要目标是通过认知能力和可重构能力来获得最佳可用频谱。认知无线电网络中动态频谱接入的关键组成部分是动态频谱共享，它负责提供有效和公平的频谱分配或调度解决方案。主要和次要用户。频谱共享通常被认为类似于现有无线系统中的通用媒体访问控制（MAC）问题。 MAC的功能是以有序有效的方式协调竞争节点之间的访问，以最大化吞吐量，确保可接受的延迟和公平的访问，这在动态环境的CR网络中被认为是一个巨大的挑战。本文的目的是提供与认知无线电网络的MAC层相关的基本概念和背景，认知MAC协议的分类，认知MAC协议的优缺点和设计挑战。

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