Sub-carrier Adaptive Modulation and Coding in OFDM: Real-time design and performance in wideband wireless system - Softcover
Inhaltsangabe
Adaptive Modulation and Coding (AMC) technique exploits the high frequency diversity in wideband OFDM channels to obtain higher data rates. While prior work has discussed the value of AMC from a theoretical perspective, this work presents the design and performance of a real-time sub-carrier AMC system. The measurements from this AMC scheme implemented on an OFDM transceiver prototype indicate how this design achieves accurate and consistent Signal-to-Noise estimates, which are critical for the success of AMC. The performance of this design is compared with a uniform-adaptation scheme that assigns the same modulation and coding to all sub-carriers. The experiments over the wireless channel shows that for a target coded BER of 10^-5, this technique achieves average data rates of 308.3 Mbps and 237.1 Mbps across a variety of line-of-sight (LOS) and non-LOS locations respectively, which result in 34% and 40% gain over the best uniform-adaptation scheme. Finally, the implementation of this AMC incurs a low overhead of 1.1% of the data rate, and a reasonable complexity, occupying 9.95% of the total transceiver gates on the Field Programmable Gate Array.
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Über die Autorin bzw. den Autor
Dr. Edalat has been a Consultant in Wireless and Satellite Communications at RKF Engineering, based in Washington DC, since 2008. She received her Masters and PhD in Electrical Engineering and Computer Science from MIT in 2003 and 2007, and her B.S. in Computer Engineering from UIUC in 2001. In 2005, she interned at Texas Instruments in France.
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Sub-carrier Adaptive Modulation and Coding in OFDM
Verlag:
LAP LAMBERT Academic Publishing Mrz 2010, 2010
ISBN 10: 3838352505
ISBN 13: 9783838352503
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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Adaptive Modulation and Coding (AMC) technique exploits the high frequency diversity in wideband OFDM channels to obtain higher data rates. While prior work has discussed the value of AMC from a theoretical perspective, this work presents the design and performance of a real-time sub-carrier AMC system. The measurements from this AMC scheme implemented on an OFDM transceiver prototype indicate how this design achieves accurate and consistent Signal-to-Noise estimates, which are critical for the success of AMC. The performance of this design is compared with a uniform-adaptation scheme that assigns the same modulation and coding to all sub-carriers. The experiments over the wireless channel shows that for a target coded BER of 10^-5, this technique achieves average data rates of 308.3 Mbps and 237.1 Mbps across a variety of line-of-sight (LOS) and non-LOS locations respectively, which result in 34% and 40% gain over the best uniform-adaptation scheme. Finally, the implementation of this AMC incurs a low overhead of 1.1% of the data rate, and a reasonable complexity, occupying 9.95% of the total transceiver gates on the Field Programmable Gate Array. 160 pp. Englisch. Bestandsnummer des Verkäufers 9783838352503
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Sub-carrier Adaptive Modulation and Coding in OFDM
Verlag:
LAP LAMBERT Academic Publishing, 2010
ISBN 10: 3838352505
ISBN 13: 9783838352503
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Kartoniert / Broschiert. Zustand: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Edalat FarinazDr. Edalat has been a Consultant in Wireless and Satellite Communications at RKF Engineering, based in Washington DC, since 2008. She received her Masters and PhD in Electrical Engineering and Computer Science from MIT . Bestandsnummer des Verkäufers 5415661
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Sub-carrier Adaptive Modulation and Coding in OFDM
Verlag:
LAP LAMBERT Academic Publishing Mär 2010, 2010
ISBN 10: 3838352505
ISBN 13: 9783838352503
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Taschenbuch. Zustand: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Adaptive Modulation and Coding (AMC) technique exploits the high frequency diversity in wideband OFDM channels to obtain higher data rates. While prior work has discussed the value of AMC from a theoretical perspective, this work presents the design and performance of a real-time sub-carrier AMC system. The measurements from this AMC scheme implemented on an OFDM transceiver prototype indicate how this design achieves accurate and consistent Signal-to-Noise estimates, which are critical for the success of AMC. The performance of this design is compared with a uniform-adaptation scheme that assigns the same modulation and coding to all sub-carriers. The experiments over the wireless channel shows that for a target coded BER of 10^-5, this technique achieves average data rates of 308.3 Mbps and 237.1 Mbps across a variety of line-of-sight (LOS) and non-LOS locations respectively, which result in 34% and 40% gain over the best uniform-adaptation scheme. Finally, the implementation of this AMC incurs a low overhead of 1.1% of the data rate, and a reasonable complexity, occupying 9.95% of the total transceiver gates on the Field Programmable Gate Array.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 160 pp. Englisch. Bestandsnummer des Verkäufers 9783838352503
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Sub-carrier Adaptive Modulation and Coding in OFDM : Real-time design and performance in wideband wireless system
Verlag:
LAP LAMBERT Academic Publishing, 2010
ISBN 10: 3838352505
ISBN 13: 9783838352503
Neu
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Taschenbuch. Zustand: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Adaptive Modulation and Coding (AMC) technique exploits the high frequency diversity in wideband OFDM channels to obtain higher data rates. While prior work has discussed the value of AMC from a theoretical perspective, this work presents the design and performance of a real-time sub-carrier AMC system. The measurements from this AMC scheme implemented on an OFDM transceiver prototype indicate how this design achieves accurate and consistent Signal-to-Noise estimates, which are critical for the success of AMC. The performance of this design is compared with a uniform-adaptation scheme that assigns the same modulation and coding to all sub-carriers. The experiments over the wireless channel shows that for a target coded BER of 10^-5, this technique achieves average data rates of 308.3 Mbps and 237.1 Mbps across a variety of line-of-sight (LOS) and non-LOS locations respectively, which result in 34% and 40% gain over the best uniform-adaptation scheme. Finally, the implementation of this AMC incurs a low overhead of 1.1% of the data rate, and a reasonable complexity, occupying 9.95% of the total transceiver gates on the Field Programmable Gate Array. Bestandsnummer des Verkäufers 9783838352503
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Sub-carrier Adaptive Modulation and Coding in OFDM | Real-time design and performance in wideband wireless system
Verlag:
LAP LAMBERT Academic Publishing, 2010
ISBN 10: 3838352505
ISBN 13: 9783838352503
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Taschenbuch. Zustand: Neu. Sub-carrier Adaptive Modulation and Coding in OFDM | Real-time design and performance in wideband wireless system | Farinaz Edalat | Taschenbuch | 160 S. | Englisch | 2010 | LAP LAMBERT Academic Publishing | EAN 9783838352503 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu. Bestandsnummer des Verkäufers 101216180
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Sub-carrier Adaptive Modulation and Coding in OFDM: Real-time design and performance in wideband wireless system
Verlag:
LAP Lambert Academic Publishing, 2010
ISBN 10: 3838352505
ISBN 13: 9783838352503
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