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Mobile WiMAX: multi-cell network evaluation and capacity optimization

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Original languageEnglish
Title of host publicationIEEE Vehicular Technology Conference, 2008 (VTC Spring 2008), Singapore
Publisher or commissioning bodyInstitute of Electrical and Electronics Engineers (IEEE)
Pages1276 - 1280
Number of pages5
StatePublished - May 2008
EventVehicular Technology Conference 2008 - Singapore, Singapore

Publication series

ISSN (Print)15502252


ConferenceVehicular Technology Conference 2008
Abbreviated titleVTC 2008-Spring
Period1/05/08 → …


The performance of a mobile WiMAX system is highly dependent on the application environment. Local clutter has a significant impact on the path loss exponent and the observed multipath statistics. The spectral efficiency of a WiMAX network can be enhanced if channel quality information is included as part of the system optimization process. This paper presents a comprehensive study of such a scenario, with numerical analysis of mobile WiMAX presented for a multi-cell deployment. In order to achieve high coverage and throughput to a large number of users, handover (HO) and link adaptation (LA) strategies are addressed. Interference is spatially separated through the use of dynamic channel allocation and WiMAX user assignment. Results show that coverage to 98% of the service area is achieved with an average throughput of 3.88 Mbps per sector. This is based on a 5MHz (512-FFT) OFDMA TDD profile (using one-third fractional reuse) deployed in licensed 3.5 GHz spectrum.

Additional information

Rose publication type: Conference contribution Sponsorship: This work was funded by Toshiba Research Europe Ltd (TREL), Bristol, UK. Terms of use: Copyright © 2008 IEEE. Reprinted from IEEE Vehicular Technology Conference, 2008 (VTC Spring 2008). This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Bristol's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to By choosing to view this document, you agree to all provisions of the copyright laws protecting it.

Research areas

  • WiMAX, OFDMA, interference, handover, link adaption, channel allocation


Vehicular Technology Conference 2008

Abbreviated TitleVTC 2008-Spring
Duration1 May 2008 → …

Event: Conference

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