Presentation 1997/11/28
A Carrier Frequency Recovery Scheme for Spread ALOHA Communications System
Fumihito Sasamori, Fumio Takahata,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) A scheme of carrier frequency recovery is proposed to operate under low E_b/N_o condition for the direct sequence spread ALOHA communications system which employs a unified spread code. This scheme uses a matched filter to estimate carrier frequency offset precisely by improving S/N. It is found from the quantitative evaluation that this scheme, by combining with powerful symbol timing recovery, provides the good characteristics of carrier frequency recovery and bit error rate under low E_b/N_o condition.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Direct sequence spread spectrum / Spread ALOHA / Carrier Frequency Recovery / Matched Filter / Two step estimation
Paper # SAT97-75
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Committee SAT
Conference Date 1997/11/28(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Carrier Frequency Recovery Scheme for Spread ALOHA Communications System
Sub Title (in English)
Keyword(1) Direct sequence spread spectrum
Keyword(2) Spread ALOHA
Keyword(3) Carrier Frequency Recovery
Keyword(4) Matched Filter
Keyword(5) Two step estimation
1st Author's Name Fumihito Sasamori
1st Author's Affiliation Graduate School of Science and Engineering, Waseda University()
2nd Author's Name Fumio Takahata
2nd Author's Affiliation Graduate School of Science and Engineering, Waseda University
Date 1997/11/28
Paper # SAT97-75
Volume (vol) vol.97
Number (no) 411
Page pp.pp.-
#Pages 7
Date of Issue