US Patent 7330451 Code division multiple access communication system and method
Patent 7330451 was granted and assigned to NEC Corporation on February, 2008 by the United States Patent and Trademark Office.
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Patent abstract
Disclosed is a CDMA communication system and method that make it possible to accommodate a greater number of user terminals that can be connected per facilities investment. Ternary phase-shift keying (TPSK) modulation is applied as primary modulation in a CDMA communication system. It is possible to deliver far performance in which the Eb/No ratio is improved by about 0.75 dB, in comparison with BPSK and QPSK modulation, in order to obtain the required signal quality. Accordingly, the number of user terminals that can be connected simultaneously in a CDMA system can be increased by about 19%.
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US Patent 07330451 Code division multiple access communication system and method US Patent 7330451 Code division multiple access communication system and method
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Patent Number
0733045100
Patent Number
733045100
Edits on 28 Mar, 2023
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Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
073304510
Date of Patent
February 12, 2008
0Patent Application Number
103372950
Date Filed
January 7, 2003
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
073304510
Date of Patent
February 12, 2008
0Patent Application Number
103372950
Date Filed
January 7, 2003
0Official Website
Patent Primary Examiner
Edits on 17 Jun, 2022
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US Patent 07330451 Code division multiple access communication system and method
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07330451
Date of patent
February 12, 2008
Patent application number
10337295
Date Filed
January 7, 2003
Patent primary examiner
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