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Special Graduate Schools
Graduate School of Information and Communication Technology
Department of Information and Communication
3. Theses(Master)
이동 Ad Hoc 네트워크에서의 효율적인 MAC 및 그룹 통신 기법에 관한 연구
- Alternative Title
- Sung-Hee Lee
- Author(s)
- 이성희
- Alternative Author(s)
- Sung-Hee Lee
- Advisor
- 고영배
- Department
- 정보통신전문대학원 정보통신공학과
- Publisher
- The Graduate School, Ajou University
- Publication Year
- 2006-02
- Language
- eng
- Alternative Abstract
- With the rapid advances in wireless technologies and portable devices, mobile ad hoc networks (MANETs) have become a popular area of research and development in the last decade. Moreover, MANET is a core technology for the future ubiquitous networks. However, in order to realize this MANET technology, many problems still need to be solved or at least improved in terms of network efficiency and performance. This thesis proposes two novel schemes to improve such network efficiency in mobile ad hoc networks. First, the unidirectional-link aware MAC protocol (UAMAC) is proposed to reduce the frequency of packet collisions that may occur in the heterogeneous network environment and therefore cause to decrease increases network throughput. Secondly, a new group communication protocol, named geometry-driven geocasting protocol (GGP), is presented to reduce the redundancy of transmitting the same messages towards multiple targets by building an efficient shared path. All of the performance evaluations for each scheme show that proposed schemes can reduce the network overhead and improve the performance over conventional schemes.
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