M-Ary Orthogonal Keying under Carrier Frequency Offset

Nozomu NISHINAGA; Yoshihiro IWADARE

M-Ary Orthogonal Keying under Carrier Frequency Offset

Nozomu NISHINAGA, Yoshihiro IWADARE

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M-ary orthogonal keying (MOK) systems under carrier frequency offset (CFO) are investigated. It is shown that spurious signals are introduced by the offset frequency components of spectrum after multiplication in correlation detection process, and some conditions on robust orthogonal signal sets are derived. Walsh function sets are found to be very weak against CFO, since they produce large spurious signals. As robust orthogonal signal sets against CFO, the rows of circulant Hadamard matrices are proposed and their error performanses are evaluated. The results show that they are good M-ary orthogonal signal sets in the presence of CFO.

Publication: IEICE TRANSACTIONS on Fundamentals Vol.E79-A No.9 pp.1408-1414

Publication Date: 1996/09/25

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Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications)

Category: Communication/Spread Spectrum

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Nozomu NISHINAGA, Yoshihiro IWADARE, "M-Ary Orthogonal Keying under Carrier Frequency Offset" in IEICE TRANSACTIONS on Fundamentals, vol. E79-A, no. 9, pp. 1408-1414, September 1996, doi: .
Abstract: M-ary orthogonal keying (MOK) systems under carrier frequency offset (CFO) are investigated. It is shown that spurious signals are introduced by the offset frequency components of spectrum after multiplication in correlation detection process, and some conditions on robust orthogonal signal sets are derived. Walsh function sets are found to be very weak against CFO, since they produce large spurious signals. As robust orthogonal signal sets against CFO, the rows of circulant Hadamard matrices are proposed and their error performanses are evaluated. The results show that they are good M-ary orthogonal signal sets in the presence of CFO.
URL: https://globals.ieice.org/en_transactions/fundamentals/10.1587/e79-a_9_1408/_p

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@ARTICLE{e79-a_9_1408,
author={Nozomu NISHINAGA, Yoshihiro IWADARE, },
journal={IEICE TRANSACTIONS on Fundamentals},
title={M-Ary Orthogonal Keying under Carrier Frequency Offset},
year={1996},
volume={E79-A},
number={9},
pages={1408-1414},
abstract={M-ary orthogonal keying (MOK) systems under carrier frequency offset (CFO) are investigated. It is shown that spurious signals are introduced by the offset frequency components of spectrum after multiplication in correlation detection process, and some conditions on robust orthogonal signal sets are derived. Walsh function sets are found to be very weak against CFO, since they produce large spurious signals. As robust orthogonal signal sets against CFO, the rows of circulant Hadamard matrices are proposed and their error performanses are evaluated. The results show that they are good M-ary orthogonal signal sets in the presence of CFO.},
keywords={},
doi={},
ISSN={},
month={September},}

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TY - JOUR
TI - M-Ary Orthogonal Keying under Carrier Frequency Offset
T2 - IEICE TRANSACTIONS on Fundamentals
SP - 1408
EP - 1414
AU - Nozomu NISHINAGA
AU - Yoshihiro IWADARE
PY - 1996
DO -
JO - IEICE TRANSACTIONS on Fundamentals
SN -
VL - E79-A
IS - 9
JA - IEICE TRANSACTIONS on Fundamentals
Y1 - September 1996
AB - M-ary orthogonal keying (MOK) systems under carrier frequency offset (CFO) are investigated. It is shown that spurious signals are introduced by the offset frequency components of spectrum after multiplication in correlation detection process, and some conditions on robust orthogonal signal sets are derived. Walsh function sets are found to be very weak against CFO, since they produce large spurious signals. As robust orthogonal signal sets against CFO, the rows of circulant Hadamard matrices are proposed and their error performanses are evaluated. The results show that they are good M-ary orthogonal signal sets in the presence of CFO.
ER -