TRANSMISSION SIGNAL GENERATING APPARATUS, METHOD, AND PROGRAM
First Claim
1. A transmission signal generating apparatus for generating transmission signals with reduced peak power, comprising:
- a data multiplexing subcarrier identification signal generator that generates a data multiplexing subcarrier identification signal that identifies subcarriers with which data signals are to be multiplexed;
a transmission signal generator that generates transmission signals by multiplexing data signals with subcarriers according to the data multiplexing subcarrier identification signal generated by said data multiplexing subcarrier identification signal generator; and
a peak reducing transmission signal generator that generates peak reducing transmission signals by reducing peak power of said transmission signals generated by said transmission signal generator according to peak reducing signals in a combination of a first peak reducing process in which subcarriers with which the data signals are not multiplexed are used for the peak reducing signals and subcarriers with which the data signals are multiplexed are not used for the peak reducing signals based on said data multiplexing subcarrier identification signal, and a second peak reducing process in which both subcarriers with which the data signals are not multiplexed and the subcarriers with which the data signals are multiplexed are used for the peak reducing signals.
1 Assignment
0 Petitions
Accused Products
Abstract
Data multiplexing subcarrier identification signal generating means generates a data multiplexing subcarrier identification signal that identifies subcarriers with which data signals are to be multiplexed. Transmission signal generating means generates transmission signals by multiplexing data signals with subcarriers according to the data multiplexing subcarrier identification signal. Peak reducing transmission signal generating means generates peak reducing transmission signals by reducing peak power of the transmission signals according to peak reducing signals in a combination of a first peak reducing process in which subcarriers with which the data signals are not multiplexed are used for the peak reducing signals and subcarriers with which the data signals are multiplexed are not used for the peak reducing signals, and a second peak reducing process in which both subcarriers with which the data signals are not multiplexed and the subcarriers with which the data signals are multiplexed are used for the peak reducing signals.
23 Citations
11 Claims
-
1. A transmission signal generating apparatus for generating transmission signals with reduced peak power, comprising:
-
a data multiplexing subcarrier identification signal generator that generates a data multiplexing subcarrier identification signal that identifies subcarriers with which data signals are to be multiplexed; a transmission signal generator that generates transmission signals by multiplexing data signals with subcarriers according to the data multiplexing subcarrier identification signal generated by said data multiplexing subcarrier identification signal generator; and a peak reducing transmission signal generator that generates peak reducing transmission signals by reducing peak power of said transmission signals generated by said transmission signal generator according to peak reducing signals in a combination of a first peak reducing process in which subcarriers with which the data signals are not multiplexed are used for the peak reducing signals and subcarriers with which the data signals are multiplexed are not used for the peak reducing signals based on said data multiplexing subcarrier identification signal, and a second peak reducing process in which both subcarriers with which the data signals are not multiplexed and the subcarriers with which the data signals are multiplexed are used for the peak reducing signals. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A transmission signal generating method of generating transmission signals with reduced peak power, comprising:
-
generating a data multiplexing subcarrier identification signal that identifies subcarriers with which data signals are to be multiplexed; generating transmission signals by multiplexing data signals with subcarriers according to the data multiplexing subcarrier identification signal; and generating peak reducing transmission signals by reducing peak power of said transmission signals according to peak reducing signals in a combination of a first peak reducing process in which subcarriers with which the data signals are not multiplexed are used for the peak reducing signals and subcarriers with which the data signals are multiplexed are not used for the peak reducing signals based on said data multiplexing subcarrier identification signal, and a second peak reducing process in which both subcarriers with which the data signals are not multiplexed and the subcarriers with which the data signals are multiplexed are used for the peak reducing signals. - View Dependent Claims (9)
-
-
10. A computer-readable medium containing a computer program for controlling a transmission signal generating apparatus to generate transmission signals with reduced peak power, said computer program comprising:
-
a sequence to generate a data multiplexing subcarrier identification signal that identifies subcarriers with which data signals are to be multiplexed; a sequence to generate transmission signals by multiplexing data signals with subcarriers according to the data multiplexing subcarrier identification signal; and a sequence to generate peak reducing transmission signals by reducing peak power of said transmission signals according to peak reducing signals in a combination of a first peak reducing process in which subcarriers with which the data signals are not multiplexed are used for the peak reducing signals and subcarriers with which the data signals are multiplexed are not used for the peak reducing signals based on said data multiplexing subcarrier identification signal, and a second peak reducing process in which both subcarriers with which the data signals are not multiplexed and the subcarriers with which the data signals are multiplexed are used for the peak reducing signals. - View Dependent Claims (11)
-
Specification