Heterodyne-Type Autocorrelator for SS-DS Communications

Akihiro KAJIWARA; Masao NAKAGAWA

Heterodyne-Type Autocorrelator for SS-DS Communications

Akihiro KAJIWARA, Masao NAKAGAWA

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This paper shows a heterodyne-typed autocorrelator for direct-sequence spread-spectrum (SS-DS) communications, without using local despreading PN-code and active synchronization circuit. In our proposed autocorrelator, the transmitting SS-DS signal is frequency-converted on every second data by the unique frequency assigned to each user in advance, which is separated not so as to interfere with each other. The received signal is autocorrelated with the delay version and becomes the narrowband signal with the unique centerfrequency. Therefore, our proposed autocorrelator can provide the anti-narrowband interference and random access capability, unlike the conventional autocorrelators.

Publication: IEICE TRANSACTIONS on Communications Vol.E74-B No.5 pp.1103-1107

Publication Date: 1991/05/25

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Type of Manuscript: Special Section PAPER (Special Issue on Spread Spectrum Techniques and Its Applications)

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Akihiro KAJIWARA
Masao NAKAGAWA

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Akihiro KAJIWARA, Masao NAKAGAWA, "Heterodyne-Type Autocorrelator for SS-DS Communications" in IEICE TRANSACTIONS on Communications, vol. E74-B, no. 5, pp. 1103-1107, May 1991, doi: .
Abstract: This paper shows a heterodyne-typed autocorrelator for direct-sequence spread-spectrum (SS-DS) communications, without using local despreading PN-code and active synchronization circuit. In our proposed autocorrelator, the transmitting SS-DS signal is frequency-converted on every second data by the unique frequency assigned to each user in advance, which is separated not so as to interfere with each other. The received signal is autocorrelated with the delay version and becomes the narrowband signal with the unique centerfrequency. Therefore, our proposed autocorrelator can provide the anti-narrowband interference and random access capability, unlike the conventional autocorrelators.
URL: https://globals.ieice.org/en_transactions/communications/10.1587/e74-b_5_1103/_p

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@ARTICLE{e74-b_5_1103,
author={Akihiro KAJIWARA, Masao NAKAGAWA, },
journal={IEICE TRANSACTIONS on Communications},
title={Heterodyne-Type Autocorrelator for SS-DS Communications},
year={1991},
volume={E74-B},
number={5},
pages={1103-1107},
abstract={This paper shows a heterodyne-typed autocorrelator for direct-sequence spread-spectrum (SS-DS) communications, without using local despreading PN-code and active synchronization circuit. In our proposed autocorrelator, the transmitting SS-DS signal is frequency-converted on every second data by the unique frequency assigned to each user in advance, which is separated not so as to interfere with each other. The received signal is autocorrelated with the delay version and becomes the narrowband signal with the unique centerfrequency. Therefore, our proposed autocorrelator can provide the anti-narrowband interference and random access capability, unlike the conventional autocorrelators.},
keywords={},
doi={},
ISSN={},
month={May},}

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TY - JOUR
TI - Heterodyne-Type Autocorrelator for SS-DS Communications
T2 - IEICE TRANSACTIONS on Communications
SP - 1103
EP - 1107
AU - Akihiro KAJIWARA
AU - Masao NAKAGAWA
PY - 1991
DO -
JO - IEICE TRANSACTIONS on Communications
SN -
VL - E74-B
IS - 5
JA - IEICE TRANSACTIONS on Communications
Y1 - May 1991
AB - This paper shows a heterodyne-typed autocorrelator for direct-sequence spread-spectrum (SS-DS) communications, without using local despreading PN-code and active synchronization circuit. In our proposed autocorrelator, the transmitting SS-DS signal is frequency-converted on every second data by the unique frequency assigned to each user in advance, which is separated not so as to interfere with each other. The received signal is autocorrelated with the delay version and becomes the narrowband signal with the unique centerfrequency. Therefore, our proposed autocorrelator can provide the anti-narrowband interference and random access capability, unlike the conventional autocorrelators.
ER -