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A Study on WMNs Based Routing Metrics for High Throughput Multicast
고휘 ( Hui Gao ),곽용완 ( Young-wan Kwag ),이형옥 ( Hyung-ok Lee ),박준석 ( Jun-seok Park ),남지승 ( Ji-seung Nam ) 한국정보처리학회 2012 한국정보처리학회 학술대회논문집 Vol.19 No.2
There has been growing interest in multicast technologies for wireless mesh networks with increasing demand for enjoying seamless multimedia broadcast service such as mobile IPTV anytime anywhere for any content on any device. This paper addressed the factors that should be considered when designing multicast algorithm in WMNs. Several routing metrics which are adapted for WMNs based multicast are described in detail to show that the main design goal for multicast metric is to achieve high throughput. Those metrics that take into account the characteristics of WMNs such as wireless broadcast advantage or channel diversity can arrange load balancing more effectively.
A Scheme of Channel Diversity Load Balancing Consideration for Path Selection in WMNs
고휘 ( Hui Gao ),곽용완 ( Young-wan Kwag ),이형옥 ( Hyung-ok Lee ),남지승 ( Ji-seung Nam ) 한국정보처리학회 2014 한국정보처리학회 학술대회논문집 Vol.21 No.1
This paper proposes a channel diversity based load-balancing cross-layer routing scheme for Wireless Mesh Networks (WMNs). The proposed scheme deals with channel diversity phase and load balancing phase in WMNs. Channel diversity factor metric<sub>ch-d</sub> and load balancing factor f<sub>load</sub> are defined and employed cooperatively as a combined path selection policy.
Multipath Routing for Load Balancing in Wireless Mesh Network
고휘 ( Hui Gao ),곽용완 ( Young-wan Kwag ),이형옥 ( Hyung-ok Lee ),남지승 ( Ji-seung Nam ) 한국정보처리학회 2013 한국정보처리학회 학술대회논문집 Vol.20 No.2
Multipath routing is proposed to perform better load balancing and to provide high fault tolerance. In this paper common factors on multi-path routing for WMNs are discussed and joint multi-channel and multipath routing approaches for load balancing are introduced at the same time. The key issues on how to design an effective multi-path routing protocol with appropriate performance metrics for WMNs are also discussed through the case studies in the paper
Design of Routing Protocols for WMN: Factors and Case Study
고휘 ( Hui Gao ),이형옥 ( Hyung-ok Lee ),곽용완 ( Young-wan Kwag ),남지승 ( Ji-seung Nam ) 한국정보처리학회 2012 한국정보처리학회 학술대회논문집 Vol.19 No.2
Wireless Mesh Network (WMN) can be defined as a communication network consisting of radio nodes organized in a mesh topology, which has been attracting much attention due to its promising technology. This paper addressed the factors on how to design routing protocols for WMN. 2 examples of designing routing metric and routing algorithm are given for case study. With consideration of those factors such as wireless broadcast advantage (WBA)/channel assignment (CA) or intra-flow/inter-flow interference high throughput is achieved.
고휘 ( Hui Gao ),이형옥 ( Hyung-ok Lee ),곽용완 ( Young-wan Kwag ),남지승 ( Ji-seung Nam ) 한국정보처리학회 2011 한국정보처리학회 학술대회논문집 Vol.18 No.2
Research on 4A(Any-time, Any-where, Any-device, Any-contents) services for the next-generation multimedia services is developed with the trend of the integration of wire and wireless networks and the convergence of telecommunications and broadcasting. In this paper we proposed a design of SVC(Scalable Video Coding) overlay multicast mechanism which can provide typical next-generation multimedia services such as SVC streaming. A novel overlay multicast algorithm called ACK-Flow tree optimization algorithm is proposed to guarantee SVC streaming with high efficiency.