Cognitive relaying with time incentive: Protocol design for multiple primary users

Nadkar, T and Thumar, V and Shenoy, G and Desai, U B and Merchant, S N (2011) Cognitive relaying with time incentive: Protocol design for multiple primary users. In: 22nd International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC'11, 11-14, September 2011, Toronto, ON; Canada.

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Abstract

The prime focus of this work is in developing a protocol for a symbiotic architecture called Cognitive Relaying with Time Incentive for Multiple Primary Users (CRTI-M). The rationale of CRTI-M is that the Primary Users (PUs) of a Cognitive Radio (CR) network, with weak transmission links, seek cooperation from the cognitive Secondary User (SU) nodes in their vicinity, and in return reward them with an incentive time for their own communication. Each PU has its own distinct bandwidth of operation; however, when relaying through the SU network it can use the bandwidth of the other PUs as well to enhance its throughput. A cross-layer optimization problem is formulated to that effect in a multi-hop multi-channel SU network. The time incentive that should be awarded to the SUs by each PU is analyzed by means of a utility-based decision-making process, and its efficient utilization is proposed. To make the CRTI-M scheme practically realizable, a MAC scheduling protocol is devised within a unified framework of the PUs and SUs. Simulation results are furnished to demonstrate the proof of concept.

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IITH Creators:
IITH CreatorsORCiD
Desai, U BUNSPECIFIED
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Cognitive Radio; Cognitive Relaying; Cross-layer; OFDM; Time Incentive
Subjects: Physics > Electricity and electronics
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 29 Oct 2014 08:47
Last Modified: 13 Apr 2015 06:28
URI: http://raiithold.iith.ac.in/id/eprint/518
Publisher URL: http://dx.doi.org/10.1109/PIMRC.2011.6140028
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