A Potential Transmitter Architecture for Future Generation Green Wireless Base Station

A Potential Transmitter Architecture for Future Generation Green Wireless Base Station

<p>Abstract</p> <p>Current radio frequency power amplifiers in 3G base stations have very high power consumption leading to a hefty cost and negative environmental impact. In this paper, we propose a potential architecture design for future wireless base station. Issues associated...

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Main Authors: Cijvat Ellie, Sjoland Henrik, Bassoo Vandana, Tom Kevin, Mustafa AK, Faulkner Mike
Format: Article
Language:English
Published: SpringerOpen 2009-01-01
Series:EURASIP Journal on Wireless Communications and Networking
Online Access:http://jwcn.eurasipjournals.com/content/2009/821846
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spelling doaj-75cfb23ffa0d4c4496480029b83369bf2020-11-25T01:31:50ZengSpringerOpenEURASIP Journal on Wireless Communications and Networking1687-14721687-14992009-01-0120091821846A Potential Transmitter Architecture for Future Generation Green Wireless Base StationCijvat EllieSjoland HenrikBassoo VandanaTom KevinMustafa AKFaulkner Mike<p>Abstract</p> <p>Current radio frequency power amplifiers in 3G base stations have very high power consumption leading to a hefty cost and negative environmental impact. In this paper, we propose a potential architecture design for future wireless base station. Issues associated with components of the architecture are investigated. The all-digital transmitter architecture uses a combination of envelope elimination and restoration (EER) and pulse width modulation (PWM)/pulse position modulation (PPM) modulation. The performance of this architecture is predicted from the measured output power and efficiency curves of a GaN amplifier. 57% efficiency is obtained for an OFDM signal limited to 8 dB peak to average power ratio. The PWM/PPM drive signal is generated using the improved Cartesian sigma delta techniques. It is shown that an RF oversampling by a factor of four meets the WLAN spectral mask, and WCDMA specification is met by an RF oversampling of sixteen.</p>http://jwcn.eurasipjournals.com/content/2009/821846
collection DOAJ
language English
format Article
sources DOAJ
author Cijvat Ellie
Sjoland Henrik
Bassoo Vandana
Tom Kevin
Mustafa AK
Faulkner Mike
spellingShingle Cijvat Ellie
Sjoland Henrik
Bassoo Vandana
Tom Kevin
Mustafa AK
Faulkner Mike
A Potential Transmitter Architecture for Future Generation Green Wireless Base Station
EURASIP Journal on Wireless Communications and Networking
author_facet Cijvat Ellie
Sjoland Henrik
Bassoo Vandana
Tom Kevin
Mustafa AK
Faulkner Mike
author_sort Cijvat Ellie
title A Potential Transmitter Architecture for Future Generation Green Wireless Base Station
title_short A Potential Transmitter Architecture for Future Generation Green Wireless Base Station
title_full A Potential Transmitter Architecture for Future Generation Green Wireless Base Station
title_fullStr A Potential Transmitter Architecture for Future Generation Green Wireless Base Station
title_full_unstemmed A Potential Transmitter Architecture for Future Generation Green Wireless Base Station
title_sort potential transmitter architecture for future generation green wireless base station
publisher SpringerOpen
series EURASIP Journal on Wireless Communications and Networking
issn 1687-1472
1687-1499
publishDate 2009-01-01
description <p>Abstract</p> <p>Current radio frequency power amplifiers in 3G base stations have very high power consumption leading to a hefty cost and negative environmental impact. In this paper, we propose a potential architecture design for future wireless base station. Issues associated with components of the architecture are investigated. The all-digital transmitter architecture uses a combination of envelope elimination and restoration (EER) and pulse width modulation (PWM)/pulse position modulation (PPM) modulation. The performance of this architecture is predicted from the measured output power and efficiency curves of a GaN amplifier. 57% efficiency is obtained for an OFDM signal limited to 8 dB peak to average power ratio. The PWM/PPM drive signal is generated using the improved Cartesian sigma delta techniques. It is shown that an RF oversampling by a factor of four meets the WLAN spectral mask, and WCDMA specification is met by an RF oversampling of sixteen.</p>
url http://jwcn.eurasipjournals.com/content/2009/821846
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