Chavhan, Suresh and Venkataram, Pallapa and Kumar, Chetan S and Kamath, Shyam Sreenivasa (2014) Performance Analysis of a Cooperative MAC Protocol of Wireless Ad Hoc Networks. In: IETE JOURNAL OF RESEARCH, 60 (2). pp. 106-118.
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Different medium access control (MAC) layer protocols, for example, IEEE 802.11 series and others are used in wireless local area networks. They have limitation in handling bulk data transfer applications, like video-on-demand, videoconference, etc. To avoid this problem a cooperative MAC protocol environment has been introduced, which enables the MAC protocol of a node to use its nearby nodes MAC protocol as and when required. We have found on various occasions that specified cooperative MAC establishes cooperative transmissions to send the specified data to the destination. In this paper we propose cooperative MAC priority (CoopMACPri) protocol which exploits the advantages of priority value given by the upper layers for selection of different paths to nodes running heterogeneous applications in a wireless ad hoc network environment. The CoopMACPri protocol improves the system throughput and minimizes energy consumption. Using a Markov chain model, we developed a model to analyse the performance of CoopMACPri protocol; and also derived closed-form expression of saturated system throughput and energy consumption. Performance evaluations validate the accuracy of the theoretical analysis, and also show that the performance of CoopMACPri protocol varies with the number of nodes. We observed that the simulation results and analysis reflects the effectiveness of the proposed protocol as per the specifications.
| Item Type: | Journal Article |
|---|---|
| Publication: | IETE JOURNAL OF RESEARCH |
| Publisher: | TAYLOR & FRANCIS LTD |
| Additional Information: | Copy right for this article belongs to the TAYLOR & FRANCIS LTD, 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND |
| Keywords: | Cooperative communication; CoopMACPri; EDCF; Performance analysis; Saturated system throughput |
| Department/Centre: | Division of Electrical Sciences > Electrical Communication Engineering |
| Date Deposited: | 19 Aug 2014 09:11 |
| Last Modified: | 19 Aug 2014 09:11 |
| URI: | http://eprints.iisc.ac.in/id/eprint/49566 |
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