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US 2001/0026582 A1Published application
Modem apparatus, communication apparatus and communication control method
AssigneeMatsushita Graphic Communication Systems, Inc.
InventorsNobuhiko Noma, Mikio Mizutani, Toshiyuki Ougi
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Abstract
The present invention calculates a product of the present sampling data by the sampling data 1 data unit ahead through multiplier 14, adds up product values calculated for every sampling by going back to the time point 1 data unit ahead through adder 16 and detects a reference timing with regard to a CP signal using the addition value.
Claims10
A modem apparatus comprising:
- a sampling section that samples a reception signal;
- a multiplier that calculates a product of the present sampling data by the sampling data 1 data unit ahead;
- an adder that adds up product values calculated for every sampling by going back to the time point 1 data unit ahead;
- and
- a detector that detects a reference timing with regard to a CP signal using the addition value calculated by said adder.
2 more elements
A communication control method comprising
- sampling a reception signal;
- calculating a product of the present sampling data by the sampling data 1 data unit ahead;
- adding up product values calculated for every sampling by going back to the time point 1 data unit ahead;
- and
- detecting a reference timing with regard to a CP signal using said addition value.
2 more elements
Dependencies are inferred from the claim text.