A New Sampling Frequency Selection Scheme in Undersampling Systems

Yoshio KUNISAWA; Naohiro SAHARA; Hiroshi SHIRAI; Hisato IWAI

doi:10.1093/ietcom/e88-b.11.4170

A New Sampling Frequency Selection Scheme in Undersampling Systems

Yoshio KUNISAWA, Naohiro SAHARA, Hiroshi SHIRAI, Hisato IWAI

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In software defined radio systems, placing the analog-to-digital converter (ADC) near the antenna part in the block diagram of the receiver is desired to improve the flexibility of the system. The radio frequency (RF) sampling method, in which the received signal is sampled at the RF stage, realizes such structure. The undersampling is a potential method to sample the RF signal using the existing consumer ADCs because high speed ADCs are required in the traditional methods, such as Nyquist sampling or the oversampling of the RF signal. This paper presents a technique to determine the minimum sampling frequency to undersample the separated multiple wireless systems simultaneously. In addition, this paper proposes a frequency selecting scheme that enables selection of a lower sampling frequency by receiving at least the desired transmission channels in the wireless system signals. This paper also provides a result of performance analysis of the proposed scheme.

Publication: IEICE TRANSACTIONS on Communications Vol.E88-B No.11 pp.4170-4175

Publication Date: 2005/11/01

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DOI: 10.1093/ietcom/e88-b.11.4170

Type of Manuscript: Special Section PAPER (Special Section on Software Defined Radio Technology and Its Applications)

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Yoshio KUNISAWA, Naohiro SAHARA, Hiroshi SHIRAI, Hisato IWAI, "A New Sampling Frequency Selection Scheme in Undersampling Systems" in IEICE TRANSACTIONS on Communications, vol. E88-B, no. 11, pp. 4170-4175, November 2005, doi: 10.1093/ietcom/e88-b.11.4170.
Abstract: In software defined radio systems, placing the analog-to-digital converter (ADC) near the antenna part in the block diagram of the receiver is desired to improve the flexibility of the system. The radio frequency (RF) sampling method, in which the received signal is sampled at the RF stage, realizes such structure. The undersampling is a potential method to sample the RF signal using the existing consumer ADCs because high speed ADCs are required in the traditional methods, such as Nyquist sampling or the oversampling of the RF signal. This paper presents a technique to determine the minimum sampling frequency to undersample the separated multiple wireless systems simultaneously. In addition, this paper proposes a frequency selecting scheme that enables selection of a lower sampling frequency by receiving at least the desired transmission channels in the wireless system signals. This paper also provides a result of performance analysis of the proposed scheme.
URL: https://global.ieice.org/en_transactions/communications/10.1093/ietcom/e88-b.11.4170/_p

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@ARTICLE{e88-b_11_4170,
author={Yoshio KUNISAWA, Naohiro SAHARA, Hiroshi SHIRAI, Hisato IWAI, },
journal={IEICE TRANSACTIONS on Communications},
title={A New Sampling Frequency Selection Scheme in Undersampling Systems},
year={2005},
volume={E88-B},
number={11},
pages={4170-4175},
abstract={In software defined radio systems, placing the analog-to-digital converter (ADC) near the antenna part in the block diagram of the receiver is desired to improve the flexibility of the system. The radio frequency (RF) sampling method, in which the received signal is sampled at the RF stage, realizes such structure. The undersampling is a potential method to sample the RF signal using the existing consumer ADCs because high speed ADCs are required in the traditional methods, such as Nyquist sampling or the oversampling of the RF signal. This paper presents a technique to determine the minimum sampling frequency to undersample the separated multiple wireless systems simultaneously. In addition, this paper proposes a frequency selecting scheme that enables selection of a lower sampling frequency by receiving at least the desired transmission channels in the wireless system signals. This paper also provides a result of performance analysis of the proposed scheme.},
keywords={},
doi={10.1093/ietcom/e88-b.11.4170},
ISSN={},
month={November},}

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TY - JOUR
TI - A New Sampling Frequency Selection Scheme in Undersampling Systems
T2 - IEICE TRANSACTIONS on Communications
SP - 4170
EP - 4175
AU - Yoshio KUNISAWA
AU - Naohiro SAHARA
AU - Hiroshi SHIRAI
AU - Hisato IWAI
PY - 2005
DO - 10.1093/ietcom/e88-b.11.4170
JO - IEICE TRANSACTIONS on Communications
SN -
VL - E88-B
IS - 11
JA - IEICE TRANSACTIONS on Communications
Y1 - November 2005
AB - In software defined radio systems, placing the analog-to-digital converter (ADC) near the antenna part in the block diagram of the receiver is desired to improve the flexibility of the system. The radio frequency (RF) sampling method, in which the received signal is sampled at the RF stage, realizes such structure. The undersampling is a potential method to sample the RF signal using the existing consumer ADCs because high speed ADCs are required in the traditional methods, such as Nyquist sampling or the oversampling of the RF signal. This paper presents a technique to determine the minimum sampling frequency to undersample the separated multiple wireless systems simultaneously. In addition, this paper proposes a frequency selecting scheme that enables selection of a lower sampling frequency by receiving at least the desired transmission channels in the wireless system signals. This paper also provides a result of performance analysis of the proposed scheme.
ER -