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Performance analysis of geography-limited broadcasting in multihop wireless networks
Wireless communications and mobile computing, 2013-10, Vol.13 (15), p.1406-1421
Chen, Quanjun
Kanhere, Salil S.
Hassan, Mahbub
2013
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Chen, Quanjun
Kanhere, Salil S.
Hassan, Mahbub
Titel
Performance analysis of geography-limited broadcasting in multihop wireless networks
Ist Teil von
Wireless communications and mobile computing, 2013-10, Vol.13 (15), p.1406-1421
Ort / Verlag
Blackwell Publishing Ltd
Erscheinungsjahr
2013
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
ABSTRACTIn multihop wireless networks, delivering a packet to all nodes within a specified geographic distance from the source is a packet forwarding primitive (geography‐limited broadcasting), which has a wide range of applications including disaster recovery, environment monitoring, intelligent transportation, battlefield communications, and location‐based services. Geography‐limited broadcasting, however, relies on all nodes having continuous access to precise location information, which may not be always achievable. In this paper, we consider achieving geography‐limited broadcasting by means of the time‐to‐live (TTL) forwarding, which limits the propagation of a packet within a specified number of hops from the source. Because TTL operation does not require location information, it can be used universally under all conditions. Our analytical results, which are validated by simulations, confirm that TTL‐based forwarding can match the performance of the traditional location‐based geography‐limited broadcasting in terms of the area coverage as well as the broadcasting overhead. It is shown that the TTL‐based approach provides a practical trade‐off between geographic coverage and broadcast overhead. By not delivering the packet to a tiny fraction of the total node population, all of which are located near the boundary of the target area, TTL‐based approach reduces the broadcast overhead significantly. This coverage‐overhead trade‐off is useful if the significance of packet delivery reduces proportionally to the distance from the source. Copyright © 2011 John Wiley & Sons, Ltd. The proposed time‐to‐live (TTL)‐based geography‐limited broadcasting provides a practical tradeoff between geographic coverage and broadcast overhead. By not delivering the packet to a tiny fraction of the total node population, all of which are located near the boundary of the target area, TTL‐based approach reduces the broadcast overhead significantly. This coverage‐overhead trade‐off is useful if the significance of packet delivery reduces proportionally to the distance from the source.
Sprache
Englisch
Identifikatoren
ISSN: 1530-8669
eISSN: 1530-8677
DOI: 10.1002/wcm.1188
Titel-ID: cdi_proquest_miscellaneous_1660042192
Format
–
Schlagworte
Boundaries
,
Broadcasting
,
Disaster relief
,
hop distance
,
Packets (communication)
,
restricted flooding
,
Tradeoffs
,
Transistor logic
,
Transportation
,
TTL forwarding
,
Wireless networks
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