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Novel assignment strategies for spatial reuse TDMA in wireless ad hoc networks
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.
2006 (English)In: Wireless networks, ISSN 1022-0038, E-ISSN 1572-8196, Vol. 12, no 2, 255-265 p.Article in journal (Refereed) Published
Abstract [en]

Spatial reuse TDMA has been proposed as an access scheme for multi-hop radio networks where real-time service guarantees are important. The idea is to increase capacity by letting several radio terminals use the same time slot when possible. A time slot can be shared when the radio units are geographically separated such that small interference is obtained. In reuse scheduling, there are several alternative assignment methods. Traditionally, transmission rights are given to nodes or to links, i.e., transmitter/receiver pairs. We present a comparison of these two approaches and show that both have undesirable properties in certain cases, e.g. link assignment gives a higher delay for low traffic loads but can achieve much higher throughput than node assignment. Furthermore, we propose a novel assignment strategy, achieving the advantages of both methods. Simulation results show that the proposed method can achieve the throughput of link assignment for high traffic loads as well as the lower delay characteristics of node assignment for low traffic loads.

Place, publisher, year, edition, pages
2006. Vol. 12, no 2, 255-265 p.
Keyword [en]
STDMA, ad hoc networks, Medium Access Control, scheduling
National Category
Telecommunications
Research subject
SRA - ICT
Identifiers
URN: urn:nbn:se:kth:diva-30598DOI: 10.1007/s11276-005-5273-zISI: 000236356500010Scopus ID: 2-s2.0-33645157893OAI: oai:DiVA.org:kth-30598DiVA: diva2:400916
Note
QC 20111004Available from: 2011-02-28 Created: 2011-02-28 Last updated: 2017-12-11Bibliographically approved

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Citation style
  • apa
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More styles
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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