A Cross-Layer Approach to Cognitive MAC for Spectrum Agility

Abstract

Opportunistic spectrum access aims to exploit the instantaneous spectrum availability using sophisticated signal processing and networking techniques. Cognitive MAC that enables instantaneous detection and efficient utilization of spectrum opportunities is one of the key components of opportunistic spectrum access. In this paper, we pursue a crosslayer approach that integrates opportunity assessment and opportunity allocation for optimal spectrum utilization. We develop optimal cognitive MAC protocols for multihop ad hoc networks.

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 2005
Accession Number
ADA633467

Entities

People

  • Ananthram Swami
  • Lang Tong
  • Qing Zhao

Organizations

  • University of California

Tags

Communities of Interest

  • Energy and Power Technologies
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Abstracts
  • Ad Hoc Networks
  • Availability
  • Collisions
  • Data Transmission
  • Detectors
  • Engineering
  • Frequency Bands
  • Identification
  • Markov Processes
  • Mesh Networks
  • Military Research
  • Networks
  • Probability
  • Sensor Networks
  • Spectra
  • Transmitters

Fields of Study

  • Computer science

Readers

  • Computer Networking
  • Radar Systems Engineering.