RADIO COMMUNICATION APPARATUS AND TRANSMISSION POWER CONTROL METHOD
First Claim
1. A radio communication apparatus which performs a direct communication with a counter radio communication apparatus, said radio communication apparatus comprising:
- a radio section configured to receive from the counter radio communication apparatus, a first radio signal which contains a first transmission power setting value as a setting value of power at transmission from the counter radio communication apparatus, and to measure a first reception power value as a power value at reception of said first radio signal; and
a transmission power control section configured to determine a second transmission power setting value as a setting value of power at transmission of a second radio signal to the counter radio communication apparatus based on said first transmission power setting value and said first reception power value,wherein said radio section transmits said second radio signal, which contains said second transmission power setting value, to the counter radio communication apparatus in transmission power indicated with said second transmission power setting value.
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Accused Products
Abstract
A radio communication apparatus which performs a direct communication with a counter radio communication apparatus is provided. The radio communication apparatus includes a radio section configured to receive from the counter radio communication apparatus, a first radio signal which contains a first transmission power setting value as a setting value of power at transmission from the counter radio communication apparatus, and to measure a first reception power value as a power value at reception of the first radio signal; and a transmission power control section configured to determine a second transmission power setting value as a setting value of power at transmission of a second radio signal to the counter radio communication apparatus based on the first transmission power setting value and the first reception power value. The radio section transmits the second radio signal, which contains the second transmission power setting value, to the counter radio communication apparatus at transmission power indicated with the second transmission power setting value.
13 Citations
6 Claims
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1. A radio communication apparatus which performs a direct communication with a counter radio communication apparatus, said radio communication apparatus comprising:
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a radio section configured to receive from the counter radio communication apparatus, a first radio signal which contains a first transmission power setting value as a setting value of power at transmission from the counter radio communication apparatus, and to measure a first reception power value as a power value at reception of said first radio signal; and a transmission power control section configured to determine a second transmission power setting value as a setting value of power at transmission of a second radio signal to the counter radio communication apparatus based on said first transmission power setting value and said first reception power value, wherein said radio section transmits said second radio signal, which contains said second transmission power setting value, to the counter radio communication apparatus in transmission power indicated with said second transmission power setting value. - View Dependent Claims (2, 3)
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4. A transmission power control method in a radio communication apparatus which performs a direct communication with a counter radio communication apparatus, said transmission power control method comprising:
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measuring a first reception power value as a power value at reception of a first radio signal, when said first radio signal which contains a first transmission power setting value as a setting value of power at transmission from said counter radio communication apparatus is received from said counter radio communication apparatus; determining a second transmission power setting value as a setting value of power at transmission of a second radio signal to said counter radio communication apparatus based on said first transmission power setting value and said first reception power value; and transmitting said second radio signal, which contains said second transmission power setting value, to said counter radio communication apparatus in a transmission power indicated with said second transmission power setting value. - View Dependent Claims (5)
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6. A computer-readable software storage medium in which computer-readable codes of a program are written to realize a transmission power control method in a radio communication apparatus which performs a direct communication with a counter radio communication apparatus, said transmission power control method comprising:
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measuring a first reception power value as a power value at reception of a first radio signal, when said first radio signal which contains a first transmission power setting value as a setting value of power at transmission from said counter radio communication apparatus is received from said counter radio communication apparatus; determining a second transmission power setting value as a setting value of power at transmission of a second radio signal to said counter radio communication apparatus based on said first transmission power setting value and said first reception power value; and transmitting said second radio signal, which contains said second transmission power setting value, to said counter radio communication apparatus in a transmission power indicated with said second transmission power setting value.
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Specification