Presentation 2002/10/4
A proposal on the configuration of AFC applicable to a wide range of frequency offset
Fumihiro YAMASHITA, Yoshinori NAKASUGA, Jin MITSUGI, Masazumi UEBA,
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Abstract(in English) Future mobile satellite communications systems will provide services to fast vehicles. Thu s, the signals received by the user terminals may experience a wide frequency shift away from the assigned frequency that is caused by the Doppler shift and insufficient precision of the oscillator. This paper presents a new auto-frequency control (AFC) configuration that is capable of removing a large amount of frequency offset (about ±0.6 fs, where fs means symbol rate of signals). The operational principle of the AFC is described, and its BER performance and initial acquisition time are evaluated via computer simulation.
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Keyword(in English) AFC / satellite communications / frequency offset / correlator
Paper # SAT2002-73
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Committee SAT
Conference Date 2002/10/4(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A proposal on the configuration of AFC applicable to a wide range of frequency offset
Sub Title (in English)
Keyword(1) AFC
Keyword(2) satellite communications
Keyword(3) frequency offset
Keyword(4) correlator
1st Author's Name Fumihiro YAMASHITA
1st Author's Affiliation NTT Network Innovation Laboratories, NTT Corporation()
2nd Author's Name Yoshinori NAKASUGA
2nd Author's Affiliation NTT Network Innovation Laboratories, NTT Corporation
3rd Author's Name Jin MITSUGI
3rd Author's Affiliation NTT Network Innovation Laboratories, NTT Corporation
4th Author's Name Masazumi UEBA
4th Author's Affiliation NTT Network Innovation Laboratories, NTT Corporation
Date 2002/10/4
Paper # SAT2002-73
Volume (vol) vol.102
Number (no) 360
Page pp.pp.-
#Pages 6
Date of Issue