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Performance and hardware complexity analysis of programmable radio platform for MIMO OFDM based WLAN systems
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Performance and hardware complexity analysis of programmable radio platform for MIMO OFDM based WLAN systems
Name
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Bhatnagar
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Vijayant
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Vijayant Bhatnagar
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Spasojevic
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Advisory Committee
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Predrag Spasojevic
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Raychaudhuri
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Dipankar
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Advisory Committee
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Dipankar Raychaudhuri
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internal member
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Gajic
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Zoran
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Advisory Committee
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Zoran Gajic
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internal member
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Miljanic
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Zoran
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Advisory Committee
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Zoran Miljanic
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Rutgers University
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Graduate School - New Brunswick
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theses
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2008
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2008-10
Language
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English
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electronic
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xv, 98 pages
Abstract
Emerging wireless technologies and standards present a design space with multiple dimensions in terms of time, physical hardware space, and technology trends. Efficient evaluation of a desired combination of these dimensions to support multiple technologies and standards presents a significant challenge. We study the feasibility of a multiprotocol architecture without sacrificing the Quality of Service. An architecture facilitating such a mechanism can be implemented at different layers in the network stack with each layer offering a tradeoff between complexity and latency. Careful analysis of the physical layer reveals that most blocks of the transceiver can be reused for different protocols without significant architectural change. In addition to the feasibility analysis, we also identify common blocks in the network stack that could be possibly reused buying us significant hardware gains without sacrificing the aggregate system throughput. Our study presents the gate count complexity and the performance analysis of programmable radio architecture with the 802.11n (Draft 3.0) MIMO-OFDM based protocol stream and 802.11a OFDM based WLAN protocol stream. In this thesis, we demonstrate that multiple protocols can be supported using the same hardware under acceptable latency requirements. Complexity of the system in terms of gate count has been determined. It has been found that for shorter frame sizes, it is better to process less number of OFDM symbols at a time. However, for larger frame sizes, it is beneficial to process large number (four to eight) of OFDM symbols at a time. Also, the minimum clock rate required to run the hardware, would vary depending upon the number of OFDM Symbols processed. The switching and multiplexing overhead of the programmable radio platform has also been investigated. Finally, our simulator is capable of evaluating bottlenecks, if any.
Note
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M.S.
Note
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Includes bibliographical references (p. 75-76).
Subject
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Topic
Electrical and Computer Engineering
Subject
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Topic
MIMO systems
Subject
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Topic
Orthogonal frequency division multiplexing
Subject
(ID = SUBJ4);
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Topic
Wireless LANs
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Graduate School - New Brunswick Electronic Theses and Dissertations
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rucore19991600001
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http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.17437
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ETD_1057
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NjNbRU
Identifier
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doi:10.7282/T3FT8MCT
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ETD graduate
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Rights
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Copyright protected
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Open
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Vijayant Bhatnagar
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Rutgers University. Graduate School - New Brunswick
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Non-exclusive ETD license
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Author Agreement License
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I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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