Optimizing Real-Time Voice Quality in Ad Hoc Wireless Networks: A Knapsack-Enhanced Dynamic MAC Protocol
| International Journal of Electronics and Communication Engineering |
| © 2024 by SSRG - IJECE Journal |
| Volume 11 Issue 3 |
| Year of Publication : 2024 |
| Authors : Patlolla Venkat Reddy, M.A.H. Farquad, Hardeep Saini, G. Sambasiva Rao, Arshad Ahmad Khan Mohammad |
10.14445/23488549/IJECE-V11I3P112
How to Cite?
Patlolla Venkat Reddy, M.A.H. Farquad, Hardeep Saini, G. Sambasiva Rao, Arshad Ahmad Khan Mohammad, "Optimizing Real-Time Voice Quality in Ad Hoc Wireless Networks: A Knapsack-Enhanced Dynamic MAC Protocol," SSRG International Journal of Electronics and Communication Engineering, vol. 11, no. 3, pp. 115-120, 2024. Crossref, https://doi.org/10.14445/23488549/IJECE-V11I3P112
Abstract:
This work aims to address the challenges of providing Quality of Service in real-time data transmission over mobile ad hoc networks. The main focus is to address the MANETs constraints and complexities that arise due to its characteristics regarding quality-of-service provision. The work proposes an optimized dynamic audio session mapping MAC mechanism to improve the voice quality in multi-hop MANETs. The proposed mechanism environment to overcome the limitations of the existing Dynamic Session Mapping scheme regarding voice quality provision. The proposed algorithm dynamically maps the voice session based on the quality of the session, computed using packet loss and end-to-end delay. The approach improves the existing MAC protocol session mapping by employing an optimized intelligent session mapping with the assistance of the knapsack algorithm. It dynamically allocates voice sessions to maximize the cumulative rating factor within network constraints. The effectiveness of the proposed methodology is assessed using NS2 simulations, revealing notable improvements such as reduced packet loss, enhanced packet delivery, and minimized delays. Comparative analyses against the Dynamic Session Mapping scheme under various traffic conditions highlight the efficacy of the proposed work in improving real-time voice session throughput. This work contributes to advancing the capabilities of MANETs, particularly in supporting high-quality real-time communication applications such as Voice over Internet Protocol.
Keywords:
MANETs, QoS, MAC, VoIP, Knapsack algorithm.
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