Performance Analysis and Enhancement of QoS Parameters for Real-Time Applications in MANETs-Comparative Study

Mobile Ad Hoc Networks (MANETs) are self-directed wireless networks, which form dynamic topology and communicate through multi-hop networks. MANETs are playing an important role in technology from the last two decades, trends and usage of MANETs has drastically increased because of its wide range of applications. These include, Defense, Healthcare, vehicular Ad Hoc networks, commercial sector, Academic and Industrial Environment Applications, etc. As a result, MANETs have become one of the most rapidly emerging fields in the market. MANETs work with better QOS performance standards such as throughput, end to end delay, jitter, PDR, reliability, bandwidth. In this paper priority aware mechanism in AOMDV protocol, Adaptive modulation & coding (AMC), delay and energy- aware protocol, Packet prioritization methods are being summarized. This paper provides a systematic comparison of the mechanisms used by various authors in developing algorithms and ways to improve their performance is being reviewed.