COMMUNICATION APPARATUS FOR CONTINUOUS PHASE MODULATION SIGNAL
First Claim
1. A communication apparatus for a continuous phase modulation signal, comprising:
- a first processing unit configured to generate first information of the continuous phase modulation signal using first symbol data;
a symbol converting unit configured to convert the first symbol data into second symbol data or convert the second symbol data into the first symbol data;
a symbol storage unit configured to store the second symbol data;
a second processing unit configured to second information of the continuous phase modulation signal using the second symbol data stored in the symbol storage unit;
a third processing unit configured to generate third information of the continuous phase modulation signal using a modulo operation of an integer related to a modulation index; and
an output unit configured to add an output from the third processing unit and an output is from the first processing unit and generate the continuous phase modulation signal.
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Abstract
A communication apparatus for a continuous phase modulation signal. The communication apparatus includes a first processing unit configured to generate first information of the continuous phase modulation signal using first symbol data; a symbol converting unit configured to convert the first symbol data into second symbol data or convert the second symbol data into the first symbol data; a symbol storage unit configured to store the second symbol data; a second processing unit configured to second information of the continuous phase modulation signal using the second symbol data stored in the symbol storage unit; a third processing unit configured to generate third information of the continuous phase modulation signal using a modulo operation of an integer related to a modulation index; and an output unit configured to add an output from the third processing unit and an output from the first processing unit and generate the continuous phase modulation signal.
13 Citations
17 Claims
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1. A communication apparatus for a continuous phase modulation signal, comprising:
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a first processing unit configured to generate first information of the continuous phase modulation signal using first symbol data; a symbol converting unit configured to convert the first symbol data into second symbol data or convert the second symbol data into the first symbol data; a symbol storage unit configured to store the second symbol data; a second processing unit configured to second information of the continuous phase modulation signal using the second symbol data stored in the symbol storage unit; a third processing unit configured to generate third information of the continuous phase modulation signal using a modulo operation of an integer related to a modulation index; and an output unit configured to add an output from the third processing unit and an output is from the first processing unit and generate the continuous phase modulation signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A communication apparatus for a continuous phase modulation signal, comprising:
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a sample storage unit configured to store a received data sample; a first synchronizing unit configured to generate two-dimensional cell data by means of correlation and fast Fourier transform (FFT) with respect to the data sample stored in the sample stored unit and perform burst start point detection, symbol timing synchronization, and carrier frequency synchronization using the generated two-dimensional cell data; and a second synchronizing unit configured to perform symbol detection and phase synchronization using Bahl-Cocke-Jelinek-Raviv (BCJR) algorithm. - View Dependent Claims (13, 14, 15, 16, 17)
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Specification