US Patent 7646702 OFDM communication apparatus
Patent 7646702 was granted and assigned to Panasonic on January, 2010 by the United States Patent and Trademark Office.
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Patent abstract
An orthogonal frequency division multiplexing (OFDM) transmission apparatus and method generate a transmission sequence including first data, second data, and known signals such that more known signals are allocated to the first data than to the second data within the transmission sequence. The transmission sequence is OFDM multiplexed into a sequence of OFDM signals and transmitted. A receiver of the OFDM signal sequence uses the known signals for estimating transmission paths of the communicated OFDM signals and improving the reception of the data to which they are allocated.
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Current Assignee
Patent Jurisdiction
Patent Number
76467020
Date of Patent
January 12, 2010
0Patent Application Number
101697160
Date Filed
November 14, 2001
0Patent Primary Examiner
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US Patent 07646702 OFDM communication apparatus US Patent 7646702 OFDM communication apparatus
Infobox
Patent Number
0764670200
Patent Number
764670200
Edits on 4 Apr, 2023
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076467020
Date of Patent
January 12, 2010
0Patent Application Number
101697160
Date Filed
November 14, 2001
0Official Website
Patent Primary Examiner
Edits on 22 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076467020
Date of Patent
January 12, 2010
0Patent Application Number
101697160
Date Filed
November 14, 2001
0Official Website
Patent Primary Examiner
Edits on 18 Jun, 2022
Golden AI
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US Patent 07646702 OFDM communication apparatus
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07646702
Date of patent
January 12, 2010
Patent application number
10169716
Date Filed
November 14, 2001
Patent primary examiner
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