2026-09-19T05:36:17Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/854022026-06-06T00:56:25Zcom_1721.1_7582com_1721.1_7581col_1721.1_131023
Hari Balakrishnan.
Aryan, Omid
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science.
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
2014-03-06T15:39:29Z
2014-03-06T15:39:29Z
2013
2013
http://hdl.handle.net/1721.1/85402
870305441
Thesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2013.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 93-94).
The thesis presents an implementation of a general DSP framework on the Texas Instruments OMAP-L138 processor. Today's software-defined radios suffer from fundamental drawbacks that inhibit their use in practical settings. These drawbacks include their large sizes, their dependence on a PC for digital signal processing operations, and their inability to process signals in real-time. Furthermore, FPGA-based implementations that achieve higher performances lack the flexibility that software implementations provide. The present implementation endeavors to overcome these issues by utilizing a processor that is low-power, small in size, and that provides a library of assembly-level optimized functions in order to achieve much faster performance with a software implementation. The evaluations show substantial improvements in performance when the DSP framework is implemented with the OMAP-L138 processor compared to that achieved with other software implemented radios.
by Omid Aryan.
M.Eng.
94 pages
eng
Massachusetts Institute of Technology
M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission.
http://dspace.mit.edu/handle/1721.1/7582
Electrical Engineering and Computer Science.
A hardware-defined approach to software-defined radios : improving performance without trading In flexibility
Thesis
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<Abstract>The thesis presents an implementation of a general DSP framework on the Texas Instruments OMAP-L138 processor. Today's software-defined radios suffer from fundamental drawbacks that inhibit their use in practical settings. These drawbacks include their large sizes, their dependence on a PC for digital signal processing operations, and their inability to process signals in real-time. Furthermore, FPGA-based implementations that achieve higher performances lack the flexibility that software implementations provide. The present implementation endeavors to overcome these issues by utilizing a processor that is low-power, small in size, and that provides a library of assembly-level optimized functions in order to achieve much faster performance with a software implementation. The evaluations show substantial improvements in performance when the DSP framework is implemented with the OMAP-L138 processor compared to that achieved with other software implemented radios.</Abstract>
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