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  • Bassoo, Vandana, et al. (author)
  • A potential transmitter architecture for future generation green wireless base station
  • 2009
  • In: Eurasip Journal on Wireless Communications and Networking. - : Springer Science and Business Media LLC. - 1687-1472 .- 1687-1499. ; :doi:10.1155/2009/821846
  • Journal article (peer-reviewed)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.
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  • Result 1-1 of 1
Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Sjöland, Henrik (1)
Faulkner, Mike (1)
Bassoo, Vandana (1)
Tom, Kevin (1)
Mustafa, A.K. (1)
Cijvat, Pieternella (1)
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Cijvat, Ellie (1)
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University
Lund University (1)
Linnaeus University (1)
Language
English (1)
Research subject (UKÄ/SCB)
Engineering and Technology (1)
Year
2009 (1)

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