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Performance analysis of access selection and transmit diversity in multi-access networks
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.
TNO ICT, The Netherlands.
2006 (English)In: MOBICOM 2006, ACM , 2006, 251-261 p.Conference paper (Refereed)
Abstract [en]

Motivated by the "beyond 3g" vision of radio access network integration and coordinated radio resource management, a purely analytical performance assessment is presented for a single access point integrating multiple radio accesses. Principal focus is placed on the evaluation of multi-user diversity, multi-access diversity and trunking gains. Scenarios with persistent and non-persistent data flows are investigated, concentrating on throughput and transfer time performance, respectively. A number of numerical experiments are included in order to quantify the relative contribution of the distinguished aspects to the performance gain. These experiments indicate that the exploitation of multi-user diversity with a channel-aware access selection scheme attains the most significant gains, while also the trunking gain that is due to an above-proportional performance enhancement when aggregating system-specific capacities, is noted to be significant. The assignment of multiple accesses to a given flow is demonstrated to have limited potential.

Place, publisher, year, edition, pages
ACM , 2006. 251-261 p.
Keyword [en]
multi-access networks, multi-user diversity, performance evaluation, proportional fair, radio access selection, scheduling, stochastic analysis, transmit diversity, trunking gains
National Category
Computer and Information Science
Research subject
URN: urn:nbn:se:kth:diva-29817DOI: 10.1145/1161089.1161118ISI: 000282909700023ISBN: 1-59593-286-0OAI: diva2:398175
MobiCom '06: Proceedings of the 12th annual international conference on Mobile computing and networking, Los Angeles, CA, SEP 23-29, 2006
QC 20110218Available from: 2011-02-16 Created: 2011-02-16 Last updated: 2011-02-18Bibliographically approved

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Berggren, Fredrik
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Communication Systems, CoS
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ReferencesLink to record
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