On the implications of analog-to-digital conversion on variable-rate bandpass sampling GNSS receivers

Alper Ucar; Ediz Cetin; Izzet Kale

doi:10.1109/ACSSC.2008.5074799

On the implications of analog-to-digital conversion on variable-rate bandpass sampling GNSS receivers

Alper Ucar^*, Ediz Cetin, Izzet Kale

^*Corresponding author for this work

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

3 Citations (Scopus)

Abstract

As radionavigation signals will be in multiple bands within the next decade, a software-defined wideband receiver will enable painless tuning into the bands of interest to comply with the required modulation standard. Nevertheless, such a receiver puts extreme requirements on the Analog-to-Digital Converter (ADC) in terms of sampling rate, dynamic range, and power dissipation such that a feasibly conceivable solution will not be available in the near future. An alternative solution is to utilize a variable-rate BandPass Sampling (BPS) receiver to relax the requirements of the ADC whilst eliminating the need for analog mixers and image-rejection filters. This paper first introduces the variable-rate BPS GNSS receiver and then gives an analysis of SNR degradation due to various noise sources and presents design considerations for the proposed receiver. A comparative study is carried out for Flash ADC and Continuous-Time (CT) Delta-Sigma (Δ∑) ADC as well as providing a signal chain noise analysis for both cases.

Original language	English
Title of host publication	2008 42nd Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2008
Place of Publication	Piscataway, N.J.
Pages	2081-2085
Number of pages	5
DOIs	https://doi.org/10.1109/ACSSC.2008.5074799
Publication status	Published - 2008
Externally published	Yes
Event	2008 42nd Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2008 - Pacific Grove, CA, United States Duration: 26 Oct 2008 → 29 Oct 2008

Other

Other	2008 42nd Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2008
Country/Territory	United States
City	Pacific Grove, CA
Period	26/10/08 → 29/10/08

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10.1109/ACSSC.2008.5074799

Cite this

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title = "On the implications of analog-to-digital conversion on variable-rate bandpass sampling GNSS receivers",

abstract = "As radionavigation signals will be in multiple bands within the next decade, a software-defined wideband receiver will enable painless tuning into the bands of interest to comply with the required modulation standard. Nevertheless, such a receiver puts extreme requirements on the Analog-to-Digital Converter (ADC) in terms of sampling rate, dynamic range, and power dissipation such that a feasibly conceivable solution will not be available in the near future. An alternative solution is to utilize a variable-rate BandPass Sampling (BPS) receiver to relax the requirements of the ADC whilst eliminating the need for analog mixers and image-rejection filters. This paper first introduces the variable-rate BPS GNSS receiver and then gives an analysis of SNR degradation due to various noise sources and presents design considerations for the proposed receiver. A comparative study is carried out for Flash ADC and Continuous-Time (CT) Delta-Sigma (Δ∑) ADC as well as providing a signal chain noise analysis for both cases.",

author = "Alper Ucar and Ediz Cetin and Izzet Kale",

year = "2008",

doi = "10.1109/ACSSC.2008.5074799",

language = "English",

isbn = "9781424429417",

pages = "2081--2085",

booktitle = "2008 42nd Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2008",

note = "2008 42nd Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2008 ; Conference date: 26-10-2008 Through 29-10-2008",

}

Ucar, A, Cetin, E & Kale, I 2008, On the implications of analog-to-digital conversion on variable-rate bandpass sampling GNSS receivers. in 2008 42nd Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2008., 5074799, Piscataway, N.J., pp. 2081-2085, 2008 42nd Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2008, Pacific Grove, CA, United States, 26/10/08. https://doi.org/10.1109/ACSSC.2008.5074799

On the implications of analog-to-digital conversion on variable-rate bandpass sampling GNSS receivers. / Ucar, Alper; Cetin, Ediz; Kale, Izzet.

2008 42nd Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2008. Piscataway, N.J., 2008. p. 2081-2085 5074799.

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

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AU - Kale, Izzet

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AB - As radionavigation signals will be in multiple bands within the next decade, a software-defined wideband receiver will enable painless tuning into the bands of interest to comply with the required modulation standard. Nevertheless, such a receiver puts extreme requirements on the Analog-to-Digital Converter (ADC) in terms of sampling rate, dynamic range, and power dissipation such that a feasibly conceivable solution will not be available in the near future. An alternative solution is to utilize a variable-rate BandPass Sampling (BPS) receiver to relax the requirements of the ADC whilst eliminating the need for analog mixers and image-rejection filters. This paper first introduces the variable-rate BPS GNSS receiver and then gives an analysis of SNR degradation due to various noise sources and presents design considerations for the proposed receiver. A comparative study is carried out for Flash ADC and Continuous-Time (CT) Delta-Sigma (Δ∑) ADC as well as providing a signal chain noise analysis for both cases.

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On the implications of analog-to-digital conversion on variable-rate bandpass sampling GNSS receivers

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