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Infrastructure Support Increases the Capacity of Ad Hoc Wireless Networks
Dept. of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and Technology, Daejeon 305-701, Republic of Korea.ORCID iD: 0000-0001-9338-4960
Yonsei University. (EE Engineering)
KAIST (Korea Advanced Institute of Science and Technology). (NETSYS, EE Dept.)
2005 (English)In: VTC2005-FALL: 2005 IEEE 62ND VEHICULAR TECHNOLOGY CONFERENCE, 1-4, PROCEEDINGS, IEEE Press, 2005, 2663-2668 p.Conference paper, Published paper (Refereed)
Abstract [en]

 In ad hoc wireless networks, one of the hottest research directions has been to increase the throughput capacity scaling with respect to the number of nodes n. Gupta and Kumar (2000) introduced a fixed random network model and showed that the throughput per source-destination pair is Theta(1/root nlogn) when the network is coordinated by a centralized entity. Grossglauser and Tse (2001) introduced a mobile random network model and showed that a source-destination pair acquires a constant throughput of Theta(1) assuming that delays incurred by mobile nodes with low mobility are tolerable.In this paper, we consider the capacity of ad hoc wireless networks with infrastructure support. Although Grossglauser-Tse mobile network model enables Theta(1) per-node throughput scaling, the mobility assumption may be too unrealistic to be accepted in some practical situations. One of the key observations we acquired is that the infrastructure support plays the same role played by the mobility in the Grossglauser-Tse model. We show that nodes can utilize the randomly located infrastructure support instead of mobility when nodes are nearly static. In this case, we show that the per-node throughput of Theta(1) is still achievable when the number of access points grows linearly with respect to the number of nodes. Furthermore., we show that there is additional per-node throughput improvement of Theta(1) when nodes are mobile.

Place, publisher, year, edition, pages
IEEE Press, 2005. 2663-2668 p.
Series
IEEE VTS Vehicular Technology Conference Proceedings, ISSN 1090-3038
Keyword [en]
Computer science, Disruption tolerant networking, Femtocell networks, Microwave integrated circuits, Mobile communication, Network topology, Power control, Routing, Throughput, Wireless networks, Microwave integrated circuits, Mobile communication, Network topology, Power control, Routing, Throughput, Wireless networks
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-86317DOI: 10.1109/VETECF.2005.1559032ISI: 000235046903118ISBN: 0-7803-9152-7 (print)OAI: oai:DiVA.org:kth-86317DiVA: diva2:500613
Conference
IEEE VTC 2005 Fall
Note
© 2005 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. QC 20120217Available from: 2012-02-17 Created: 2012-02-13 Last updated: 2012-02-17Bibliographically approved

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CiteExportLink to record
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