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This paper proposes a synchronous acquisition method using correlation mapping by multiple-dwell detection considering false alarm penalty in M-ary/SS systems. In the method, first, the correlation value between a received signal and each assigned sequence in an M-ary/SS system in some short duration is calculated for each phase and stored in the mapping. Second, the maximum correlation value of each phase in the mapping is selected and arranged, then, the first probable synchronous phase is decided by the maximum one in these values. Simultaneously, data demodulation starts. Next, to recognize the synchronous phase, i.e., as considering false alarm penalty, the correlation values are calculated in longer duration, and the second probable phase with high reliability can be obtained by suppression of noise to signal level. Finally, if the second synchronous phase is different from the first one, the second one is reset. By this method, a short acquisition time and high reliability of acquisition can be achieved. The improvement of acquisition time and the optimal combination values of dwelling time, which is duration to calculate the correlation, are shown for several conditions in asynchronous M-ary/SSMA.

- Publication
- IEICE TRANSACTIONS on Fundamentals Vol.E84-A No.6 pp.1572-1580

- Publication Date
- 2001/06/01

- Publicized

- Online ISSN

- DOI

- Type of Manuscript
- PAPER

- Category
- Spread Spectrum Technologies and Applications

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Yuuki OKAZAKI, Masanori HAMAMURA, Shin'ichi TACHIKAWA, "An Acquisition Method Using Correlation Mapping with False Alarm Penalty in M-ary/SS Systems" in IEICE TRANSACTIONS on Fundamentals,
vol. E84-A, no. 6, pp. 1572-1580, June 2001, doi: .

Abstract: This paper proposes a synchronous acquisition method using correlation mapping by multiple-dwell detection considering false alarm penalty in M-ary/SS systems. In the method, first, the correlation value between a received signal and each assigned sequence in an M-ary/SS system in some short duration is calculated for each phase and stored in the mapping. Second, the maximum correlation value of each phase in the mapping is selected and arranged, then, the first probable synchronous phase is decided by the maximum one in these values. Simultaneously, data demodulation starts. Next, to recognize the synchronous phase, i.e., as considering false alarm penalty, the correlation values are calculated in longer duration, and the second probable phase with high reliability can be obtained by suppression of noise to signal level. Finally, if the second synchronous phase is different from the first one, the second one is reset. By this method, a short acquisition time and high reliability of acquisition can be achieved. The improvement of acquisition time and the optimal combination values of dwelling time, which is duration to calculate the correlation, are shown for several conditions in asynchronous M-ary/SSMA.

URL: https://global.ieice.org/en_transactions/fundamentals/10.1587/e84-a_6_1572/_p

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@ARTICLE{e84-a_6_1572,

author={Yuuki OKAZAKI, Masanori HAMAMURA, Shin'ichi TACHIKAWA, },

journal={IEICE TRANSACTIONS on Fundamentals},

title={An Acquisition Method Using Correlation Mapping with False Alarm Penalty in M-ary/SS Systems},

year={2001},

volume={E84-A},

number={6},

pages={1572-1580},

abstract={This paper proposes a synchronous acquisition method using correlation mapping by multiple-dwell detection considering false alarm penalty in M-ary/SS systems. In the method, first, the correlation value between a received signal and each assigned sequence in an M-ary/SS system in some short duration is calculated for each phase and stored in the mapping. Second, the maximum correlation value of each phase in the mapping is selected and arranged, then, the first probable synchronous phase is decided by the maximum one in these values. Simultaneously, data demodulation starts. Next, to recognize the synchronous phase, i.e., as considering false alarm penalty, the correlation values are calculated in longer duration, and the second probable phase with high reliability can be obtained by suppression of noise to signal level. Finally, if the second synchronous phase is different from the first one, the second one is reset. By this method, a short acquisition time and high reliability of acquisition can be achieved. The improvement of acquisition time and the optimal combination values of dwelling time, which is duration to calculate the correlation, are shown for several conditions in asynchronous M-ary/SSMA.},

keywords={},

doi={},

ISSN={},

month={June},}

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TY - JOUR

TI - An Acquisition Method Using Correlation Mapping with False Alarm Penalty in M-ary/SS Systems

T2 - IEICE TRANSACTIONS on Fundamentals

SP - 1572

EP - 1580

AU - Yuuki OKAZAKI

AU - Masanori HAMAMURA

AU - Shin'ichi TACHIKAWA

PY - 2001

DO -

JO - IEICE TRANSACTIONS on Fundamentals

SN -

VL - E84-A

IS - 6

JA - IEICE TRANSACTIONS on Fundamentals

Y1 - June 2001

AB - This paper proposes a synchronous acquisition method using correlation mapping by multiple-dwell detection considering false alarm penalty in M-ary/SS systems. In the method, first, the correlation value between a received signal and each assigned sequence in an M-ary/SS system in some short duration is calculated for each phase and stored in the mapping. Second, the maximum correlation value of each phase in the mapping is selected and arranged, then, the first probable synchronous phase is decided by the maximum one in these values. Simultaneously, data demodulation starts. Next, to recognize the synchronous phase, i.e., as considering false alarm penalty, the correlation values are calculated in longer duration, and the second probable phase with high reliability can be obtained by suppression of noise to signal level. Finally, if the second synchronous phase is different from the first one, the second one is reset. By this method, a short acquisition time and high reliability of acquisition can be achieved. The improvement of acquisition time and the optimal combination values of dwelling time, which is duration to calculate the correlation, are shown for several conditions in asynchronous M-ary/SSMA.

ER -