NDLI: Coexistence performance improvement of spectrum sharing system by using multi-hop cooperative relaying

Content Provider	IEEE Xplore Digital Library
Author	Ohno, T. Murata, H. Yamamoto, K. Yoshida, S.
Copyright Year	2009
Description	Author affiliation: Graduate School of Informatics, Kyoto University, Yoshida-hommachi, Sakyo-ku, Kyoto 606-8501, Japan (Ohno, T.; Murata, H.; Yamamoto, K.; Yoshida, S.)
Abstract	When both a high-priority and a low-priority system share a common frequency band, the low-priority station must sense the presence of the high-priority system, and if required, postpone its transmission or reduce its transmit power to avoid possible interference. To compensate, transmission opportunities of the low-priority system should be ensured as much as possible. Using a transmission scheme ensuring link success with low transmit power, the low-priority system can have more opportunities to transmit. In comparison with direct transmission from the source to the destination, cooperative relaying can reduce the required total transmit power by multi-hop transmission and the diversity effect. Assuming the high-priority system is a type of broadcasting system, and the low-priority system is a distributed wireless network, we propose to apply a multi-hop cooperative relaying scheme to the low-priority multiple links. We show that cooperative relaying successfully provides transmission opportunities for the low-priority system, while guaranteeing the communication quality of the high-priority system.
Starting Page	1
Ending Page	5
File Size	169209
Page Count	5
File Format	PDF
ISBN	9781424446568
DOI	10.1109/ICICS.2009.5397698
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-08
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Relays Power system relaying Interference Frequency Radio transmitters Wireless networks Spread spectrum communication Cognitive radio Power system reliability Wireless sensor networks
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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