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A potential transmitter architecture for future generation green wireless base station

Bassoo, Vandana; Tom, Kevin; Mustafa, A.K.; Cijvat, Pieternella LU ; Sjöland, Henrik LU and Faulkner, Mike (2009) In Eurasip Journal on Wireless Communications and Networking
Abstract
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). 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 8dB peak to average power ratio. The PWM/PPM drive signal is generated using the... (More)
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). 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 8dB 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. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
power consumption, transmitter, modulation, base station
in
Eurasip Journal on Wireless Communications and Networking
issue
doi:10.1155/2009/821846
publisher
Hindawi Publishing Corporation
external identifiers
  • wos:000273489800001
  • scopus:71149103640
ISSN
1687-1472
DOI
10.1155/2009/821846
language
English
LU publication?
yes
id
d1c25d26-e8d7-4c71-bf79-09fc2c1ee012 (old id 1468062)
date added to LUP
2009-08-31 13:59:28
date last changed
2017-08-13 03:30:14
@article{d1c25d26-e8d7-4c71-bf79-09fc2c1ee012,
  abstract     = {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). 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 8dB 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.},
  author       = {Bassoo, Vandana and Tom, Kevin and Mustafa, A.K. and Cijvat, Pieternella and Sjöland, Henrik and Faulkner, Mike},
  issn         = {1687-1472},
  keyword      = {power consumption,transmitter,modulation,base station},
  language     = {eng},
  number       = {doi:10.1155/2009/821846},
  publisher    = {Hindawi Publishing Corporation},
  series       = {Eurasip Journal on Wireless Communications and Networking},
  title        = {A potential transmitter architecture for future generation green wireless base station},
  url          = {http://dx.doi.org/10.1155/2009/821846},
  year         = {2009},
}