MMMP: A MAC Protocol to Ensure QoS for Multimedia Traffic over Multi-hop Ad Hoc Networks

: In this paper, we discuss a novel reservation-based, asynchronous MAC protocol called `Multi-rate Multi-hop MAC Protocol' (MMMP) for multi-hop ad hoc networks that provides QoS guarantees for multimedia traffic. MMMP achieves this by providing service differentiation for multirate real-time traffic (both constant and variable bit rate traffic) and guaranteeing a bounded end-to-end delay for the same while still catering to the throughput requirements of non real time traffic. In addition, it administers bandwidth preservation via a feature called `Smart Drop' and implements efficient bandwidth usage through a mechanism called `Release Bandwidth'. Simulation results on the QualNet simulator indicate that MMMP outperforms IEEE 802.11 on all performance metrics and can efficiently handle a large range of traffic intensity. It also outperforms other similar state-of-the-art MAC protocols.

• Type: Journal
• Year: 2008
• Where: JIPS
• Authors: Sunil Kumar, Mahasweta Sarkar, Supraja Gurajala, John D. Matyjas
• Keywords: JIPS 2008, MAC Protocols, Multi-hop MAC Protocol, Multirate Real-time Traffic