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Performance of Multi-Channel Medium Access Control Protocol incorporating Opportunistic Cooperative Diversity over Rayleigh Fading Channel
Blekinge Institute of Technology, School of Engineering, Department of Signal Processing.
2006 (English)Independent thesis Advanced level (degree of Master (One Year))Student thesis
Abstract [en]

This thesis paper proposes a Medium Access Control (MAC) protocol for wireless networks, termed as CD-MMAC that utilizes multiple channels and incorporates opportunistic cooperative diversity dynamically to improve its performance. The IEEE 802.11b standard protocol allows the use of multiple channels available at the physical layer but its MAC protocol is designed only for a single channel. The proposed protocol utilizes multiple channels by using single interface and incorporates opportunistic cooperative diversity by using cross-layer MAC. The new protocol leverages the multi-rate capability of IEEE 802.11b and allows wireless nodes far away from destination node to transmit at a higher rate by using intermediate nodes as a relays. The protocol improves network throughput and packet delivery ratio significantly and reduces packet delay. The performance improvement is further evaluated by simulation and analysis.

Place, publisher, year, edition, pages
2006. , 36 p.
Keyword [en]
Cooperative Communication, Medium Access Control, Cross Layer MAC, Multiple Channel, Wireless Networks, Rayleigh Fading Channel, NS-2
National Category
Signal Processing Computer Science Telecommunications
URN: urn:nbn:se:bth-6171Local ID: diva2:833600
sabbir@linuxmail.orgAvailable from: 2015-04-22 Created: 2006-09-12 Last updated: 2015-06-30Bibliographically approved

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