NDLI: Providing statistical quality-of-service guarantees in cognitive radio networks with cooperation

Content Provider	IEEE Xplore Digital Library
Author	Shao-Yu Lien Prasad, N.R. Kwang-Cheng Chen Chih-Wei Su
Copyright Year	2009
Description	Author affiliation: Institute of Communication Engineering, National Taiwan University, Taipei 10617, Taiwan (Shao-Yu Lien) \|\| Center for TeleInFrastruktur (CTIF), Aalborg University, Denmark (Prasad, N.R.) \|\| Department of Electrical Engineering and Institute of Communication Engineering, National Taiwan University, Taipei 10617, Taiwan (Kwang-Cheng Chen) \|\| Institute for Information Industry, Taipei, Taiwan (Chih-Wei Su)
Abstract	Cognitive radios (CRs) opportunistically sharing the wireless spectrum with the legacy primary system (PS) are promising to improve the spectrum utilization. However, this cognitive spectrum hole access makes the bandwidth of the cognitive radio network (CRN) formed by multiple CRs varies severely, which makes providing quality-of-service (QoS) guarantee over the CRN a very challenging task. Considering cooperative diversity with the merit of alleviating bandwidth variation, this paper proposes a cooperative scheduling algorithm for the CR in the CRN to select a relay path with the lowest packet dropping probability for packet transmissions. Under this scheme, the upper bounds of the mean packet dropping probability have been analytically derived and the corresponding admission control mechanism is further proposed. Analytical results show that the proposed scheme provides a better QoS guarantee than direct transmissions without cooperative relay for the CRN. Simulation results also confirm that traffic sources admitted into the system can absolutely meet their mean packet dropping probability requirements.
Starting Page	6
Ending Page	11
File Size	238173
Page Count	6
File Format	PDF
ISBN	9781424445820
DOI	10.1109/COGART.2009.5167224
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-18
Publisher Place	Denmark
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Quality of service Probability Cognitive radio Relays Scheduling algorithm statistical QoS guarantee Upper bound cooperative diversity Admission control Bandwidth Chromium Traffic control cognitive radio network
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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