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http://dx.doi.org/10.7840/kics.2012.37B.8.647

A Study on Cross-Layer Network Synchronization Architecture for TDMA-Based Mobile Ad-Hoc Networks  

Seo, Myung-Hwan (삼성탈레스 통신연구소 무선통신그룹)
Kim, Joung-Sik (삼성탈레스 통신연구소 무선통신그룹)
Cho, Hyung-Weon (삼성탈레스 통신연구소 무선통신그룹)
Jung, Sung-Hun (삼성탈레스 통신연구소 무선통신그룹)
Park, Jong-Ho (성균관대학교 정보통신대학 네트워크시스템 연구실)
Lee, Tae-Jin (성균관대학교 정보통신대학 네트워크시스템 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.37, no.8B, 2012 , pp. 647-656 More about this Journal
Abstract
TDMA MAC protocol in MANET requires precise network synchronization between nodes though network topology changes continuously due to node mobility and the effect of propagation environment. In this paper we propose in-band cross-layer network synchronization architecture for TDMA-based MANETs. In the proposed architecture TDMA MAC protocol and proactive routing protocol cooperate closely to rapidly detect network partition and merge caused by node mobility and to precisely maintain network synchronization. We also implement the proposed synchronization architecture in OPNET simulator and evaluate the performance of it in various simulation scenarios. Simulation results show that our architecture stably maintains network time synchronization in both network partition and merge situations.
Keywords
Network Synchronization Architecture; TDMA-based MANET; TDMA MAC Protocol;
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