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Adaptive energy-efficient group comm...

Wang, Bin.

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Adaptive energy-efficient group communication support in wireless ad hoc networks.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Adaptive energy-efficient group communication support in wireless ad hoc networks./
作者:	Wang, Bin.
面頁冊數:	177 p.
附註:	Source: Dissertation Abstracts International, Volume: 66-09, Section: B, page: 4920.
Contained By:	Dissertation Abstracts International66-09B.
標題:	Computer Science. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3189847
ISBN:	0542335646

Adaptive energy-efficient group communication support in wireless ad hoc networks.
Wang, Bin.

Adaptive energy-efficient group communication support in wireless ad hoc networks. - 177 p.

Source: Dissertation Abstracts International, Volume: 66-09, Section: B, page: 4920.

Thesis (Ph.D.)--Arizona State University, 2005.

Wireless Ad hoc NETworks (WANETs)---consisting of an ad hoc group of wireless and battery-powered computing devices---are enabling Ubiquitous/Pervasive Computing applications in the domain such as search and rescue and medical monitoring network in disaster situation. Many of these applications require group communication between multitude of devices owned by group members such as students and firefighters. Combined characteristics of Ubiquitous computing applications (need for context-awareness, ephemeral interaction) and WANETs (energy-constrained devices and distributed network with dynamic connectivity due to mobile node) have lead to following new challenges in providing group communication services: (1) context-aware group management---how can nodes use contextual information to facilitate identification of social group (e.g. group of students on a project) and automating formation of a group of devices owned by the group members? (2) energy-efficient multicast between members of device group---how can the energy consumed in disseminating data to a group of nodes be minimized? and (3) mobility-tolerant energy-efficient group communication---how to ensure energy-efficient group communication even in the presence of mobile nodes?

ISBN: 0542335646Subjects--Topical Terms:

626642
Computer Science.

Adaptive energy-efficient group communication support in wireless ad hoc networks.
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245 1 0 $a Adaptive energy-efficient group communication support in wireless ad hoc networks.
300 $a 177 p.
500 $a Source: Dissertation Abstracts International, Volume: 66-09, Section: B, page: 4920.
500 $a Adviser: Sandeep K. S. Gupta.
502 $a Thesis (Ph.D.)--Arizona State University, 2005.
520 $a Wireless Ad hoc NETworks (WANETs)---consisting of an ad hoc group of wireless and battery-powered computing devices---are enabling Ubiquitous/Pervasive Computing applications in the domain such as search and rescue and medical monitoring network in disaster situation. Many of these applications require group communication between multitude of devices owned by group members such as students and firefighters. Combined characteristics of Ubiquitous computing applications (need for context-awareness, ephemeral interaction) and WANETs (energy-constrained devices and distributed network with dynamic connectivity due to mobile node) have lead to following new challenges in providing group communication services: (1) context-aware group management---how can nodes use contextual information to facilitate identification of social group (e.g. group of students on a project) and automating formation of a group of devices owned by the group members? (2) energy-efficient multicast between members of device group---how can the energy consumed in disseminating data to a group of nodes be minimized? and (3) mobility-tolerant energy-efficient group communication---how to ensure energy-efficient group communication even in the presence of mobile nodes?
520 $a In this thesis, these three-pronged challenges are addressed with three adaptation schemes: Context-Awareness ephemeral group (CAEG) management service, REMiT (Refining Energy-Efficient Multicast Trees) Framework for developing localized (distributed) protocols for dynamically adapting multicast tree to make them energy-efficient and a two-tier model to handle mobile nodes in the REMiT framework. CAEG service uses a novel group model to map user social group to device group as a bridge between social groups and device groups and uses context to form device groups dynamically and efficiently. REMiT framework provides a conceptual algorithmic structure for building energy-efficient multicasiting protocols for two optimization goals (Minimizing energy consumption and Maximizing network lifetime) and two kinds of multicast trees (source-based and group-shared). REMiT framework uses application specified requirements, energy cost model and network parameters feedback as inputs to refine an initial multicast distribution tree to make it more energy-efficient. Further, REMiT framework can adapt to multicast traffic distribution and interference. Based on REMiT framework, four distributed energy-efficient multicasting protocols are constructed: S-REMiT, G-REMiT, and T-REMiT---for source-based, group-shared and two-tier mobility-tolerant energy-efficient tree construction and L-REMiT for constructing multicast trees with maximal lifetime.
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