Towards bandwidth efficient TDMA frame structure for voice traffic in MANETs

Vattikuti, N and Dasari, M and Sindhwal, H and Tamma, Bheemarjuna Reddy (2015) Towards bandwidth efficient TDMA frame structure for voice traffic in MANETs. In: IEEE International Conference on Electronics, Computing and Communication Technologies (CONECCT), JUL 10-11, 2015, Bangalore, INDIA.

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Time division multiple access (TDMA) based channel access is one of the most widely used mechanisms in Mobile Ad hoc Networks (MANET) with its efficient channel access and collision free transmissions at its core. In this paper, we propose a unique TDMA frame format designed specifically for supporting two-way voice communication in bandwidth efficient manner. The proposed algorithm uses single radio channel for both control and data message exchanges and achieves multi-hop communication. As the transmission of control messages in the same channel leads to overhead, we propose a mechanism to share the control slots between the nodes for reducing the control overhead. The TDMA frame design shows the optimized channel sharing based on the periodicity and payload size of a typical voice packet. The experimental analysis is performed on Network Simulator (NS-3) as well as on Linux kernel with Ethernet emulation of wireless network. The experimental results clearly show considerable improvement in bandwidth efficiency over the existing protocols.

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IITH Creators:
IITH CreatorsORCiD
Tamma, Bheemarjuna ReddyUNSPECIFIED
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: TDMA; Control Overhead; Voice call; QoS; MANETs, Networks
Subjects: Computer science > Big Data Analytics
Divisions: Department of Computer Science & Engineering
Depositing User: Team Library
Date Deposited: 16 Sep 2016 08:28
Last Modified: 07 Sep 2017 09:50
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