On-demand receive filtering in an UMTS terminal

J. Potman; Roelof Schiphorst; Cornelis H. Slump

doi:10.1109/SPAWC.2008.4641601

On-demand receive filtering in an UMTS terminal

J. Potman, Roelof Schiphorst, Cornelis H. Slump

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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Abstract

This paper describes a novel on-demand receive filter in an UMTS terminal. The receive filter is the first function after the Analog-to-Digital converter and is for that reason one of the most computation intensive parts in a receiver. The proposed filter architecture measures the out-of-band interference and calculates the required attenuation, which is used to select the appropriate filter. To assess the advantages of this on-demand receive filter, we have carried out field strength measurements in the UMTS FDD downlink band (2.1 GHz). These measurements were carried out in Amsterdam, a dense urban area with 5 active UMTS operators. Our measurement results show that in a live network configuration there is almost no out-of-band interference. Moreover, an on-demand filter would save in this case more than 68% power compared to a fixed conventional receive filter.

Original language	Undefined
Title of host publication	Proceedings of the Ninth IEEE International Workshop on Signal Processing Advances in Wireless Communications
Place of Publication	Brazil
Publisher	IEEE Signal Processing Society
Pages	216-220
Number of pages	5
ISBN (Print)	978-1-4244-2045-2
DOIs	https://doi.org/10.1109/SPAWC.2008.4641601
Publication status	Published - 7 Jul 2008

Publication series

Name
Publisher	IEEE Signal Processing Society

Keywords

EWI-13129
IR-64900
METIS-252040

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10.1109/SPAWC.2008.4641601

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Cite this

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title = "On-demand receive filtering in an UMTS terminal",

abstract = "This paper describes a novel on-demand receive filter in an UMTS terminal. The receive filter is the first function after the Analog-to-Digital converter and is for that reason one of the most computation intensive parts in a receiver. The proposed filter architecture measures the out-of-band interference and calculates the required attenuation, which is used to select the appropriate filter. To assess the advantages of this on-demand receive filter, we have carried out field strength measurements in the UMTS FDD downlink band (2.1 GHz). These measurements were carried out in Amsterdam, a dense urban area with 5 active UMTS operators. Our measurement results show that in a live network configuration there is almost no out-of-band interference. Moreover, an on-demand filter would save in this case more than 68{\%} power compared to a fixed conventional receive filter.",

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On-demand receive filtering in an UMTS terminal. / Potman, J.; Schiphorst, Roelof; Slump, Cornelis H.

Proceedings of the Ninth IEEE International Workshop on Signal Processing Advances in Wireless Communications. Brazil : IEEE Signal Processing Society, 2008. p. 216-220 10.1109/SPAWC.2008.4641601.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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