Design and implementation of multi-channel multi-radio wireless mesh network system

Wireless mesh networks (WMNs) have received tremendous interest as a key technology for next generation wireless networking due to their advantages. Many researchers have increased the available bandwidth of WMNs by using multiple non-overlapping channels and multiple radios. Among multi-channel multi-radio protocols, hybrid multi-channel protocol (HMCP) has been revealed as an optimal scheme for improving the capacity of WMNs compared with other protocols. Net-X provides a generic software architecture that supports the implementation of multi-channel multi-radio protocols based on HMCP. However, Net-X has several critical problems as a backbone network for the network access. In this thesis, we propose MMRC system architecture based on Net-X to solve the critical problems of the Net-X and provide fast seamless han-doff. We also implement MMRC system architecture and do experiment with various traffic types to evaluate performance of MMRC. The experiment results show that the throughput of UDP and TCP at 4 hops is 25.1 Mbps and 3.6 Mbps in MMRC network, respectively. The measurement result of network layer han-doff latencies is at most 73ms in the presence of background traffic load. The results show that MMRC satisfies the requirements of high-speed last mile connectivity, broadband bandwidth and real time applications such as voice-over-IP (VoIP) as a backbone.
Advisors
Ma, Joong-Sooresearcher마중수researcher
Publisher
한국정보통신대학교
Issue Date
2009
Identifier
393075/225023 / 020074238
Language
eng
Description

학위논문(석사) - 한국정보통신대학교 : 공학부, 2009.2, [ vii, 41 p. ]

Keywords

설계 및 구현; 다중 채널 다중 라디오; 메쉬 네트워크 시스템; MMRC; Design and Implementation; Multi-Channel Multi-Radio; Mesh Network System; Net-X

URI
http://hdl.handle.net/10203/55054
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=393075&flag=t
Appears in Collection
School of Engineering-Theses_Master(공학부 석사논문)
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