Detailed Modeling of MAC Throughput and Ranges for Mobile WiMAX

Mobile WiMAX is today one of the potential technology choices for delivering mobile broadband access. Despite its potential, existing radio coverage calculations only relate to a low level physical data rate, rather than to the actual MAC (Medium Access Control) throughput, which is more meaningful...

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Bibliographic Details
Published in:IEEE communications letters 2011-08, Vol.15 (8), p.839-841
Main Authors: Pareit, D., Deruyck, M., Tanghe, E., Joseph, W., Moerman, I., Martens, L., Demeester, P.
Format: Article
Language:English
Subjects:
Access control
Access methods and protocols, osi model
Applied sciences
Broadband
Computer simulation
coverage
Dispersion
Dispersions
Equipments and installations
Exact sciences and technology
Joining
Low level
MAC
Mathematical models
MIMO
Mobile communication
Mobile radiocommunication systems
Modulation
Predictive models
Radio
Radiocommunications
Studies
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Teleprocessing networks. Isdn
Throughput
Transmission and modulation (techniques and equipments)
WiMAX
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Summary:Mobile WiMAX is today one of the potential technology choices for delivering mobile broadband access. Despite its potential, existing radio coverage calculations only relate to a low level physical data rate, rather than to the actual MAC (Medium Access Control) throughput, which is more meaningful from a user's perspective. We therefore elaborated on linking high level MAC throughput to low level radio coverage. We simulated the complete system, thereby ultimately combining two metrics most sought for: MAC throughput by radio coverage range. With respect to those metrics, the impact of time dispersion models, MIMO (Multiple Input Multiple Output), the packet size and the number of users is studied. In a 5 MHz band at 2.5 GHz, maximum ranges are found to vary between 1.2 km and 1.9 km, while the highest MAC throughput was found here to vary between 4.64 Mbps and 10.32 Mbps, for the considered parameters values and use case.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2011.060811.110855