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Cognitive Radio Ad-Hoc Networks: Some New Results on Multi-Channel Hidden Terminal Problem
Department of Electronics & Telecommunication Engineering, Jadavpur University, Kolkata, India
Department of Electronics & Telecommunication Engineering, Jadavpur University, Kolkata, India
Department of Electronics & Communication Engineering, Narula Institute of Technology, Kolkata, India
Department of Electronics & Telecommunication Engineering, Jadavpur University, Kolkata, India
- 1 Department of Electronics & Telecommunication Engineering, Jadavpur University, Kolkata, India
- 2 Department of Electronics & Telecommunication Engineering, Jadavpur University, Kolkata, India
- 3 Department of Electronics & Communication Engineering, Narula Institute of Technology, Kolkata, India
- 4 Department of Electronics & Telecommunication Engineering, Jadavpur University, Kolkata, India
Communications and Network·Volume 04 (2012)·Pages 342–348·Published 29 November 2012·DOI10.4236/cn.2012.44039
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Abstract
Recently the Cognitive Radio (CR), in particular the CR Ad-Hoc Network (CRAHN) technology appears as a burgeoning area in wireless communication that enables utilization of limited network resources in more efficient and intelligent way; studies indicate that opportunistic utilization of the available radio frequency spectrum, without interfering the licensed primary user (PU) could be made. This paper presents some simulation based performance of the Multi-Channel Hidden Terminal (MCHT) problem on CRAHNs; new observations on the effect of the number of channels on certain PU-activity metrics, e.g., delay and throughput, are described.
KeywordsCognitive Ad-Hoc NetworksMCHT ProblemWireless CommunicationNS-2
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