An overview of spectrum sharing techniques in cognitive radio communication system

Shweta Pandit, G. Singh

Research output: Contribution to journalArticlepeer-review

55 Citations (Scopus)

Abstract

As the complexities of wireless technologies increase, novel multidisciplinary approaches for the spectrum sharing/management are required with inputs from the technology, economics and regulations. Recently, the cognitive radio technology comes into action to handle the spectrum scarcity problem. To identify the available spectrum resource, decision on the optimal sensing and transmission time with proper coordination among the users for spectrum access are the important characteristics of spectrum sharing methods. In this paper, we have technically overviewed the state-of-the-art of the various spectrum sharing techniques and discussed their potential issues with emerging applications of the communication system, especially to enhance the spectral efficiency. The potential advantages, limiting factors, and characteristic features of the existing cognitive radio spectrum sharing domains are thoroughly discussed and an overview of the spectrum sharing is provided as it ensures the channel access without the interference/collision to the licensed users in the spectrum.

Original languageEnglish
Pages (from-to)497-518
Number of pages22
JournalWireless Networks
Volume23
Issue number2
DOIs
Publication statusPublished - 1 Feb 2017
Externally publishedYes

Keywords

  • Cognitive radio
  • Dynamic spectrum access
  • Opportunistic spectrum access
  • Spectrum sensing
  • Spectrum sharing
  • Wireless communication

ASJC Scopus subject areas

  • Information Systems
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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