COMMUNICATION DEVICE
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Abstract
Provided is a wireless transmitter-receiver capable of suppressing undesirable power consumption and elongating the continuous operation time by operation of a user with the intention of controlling transmission power and also suitable to secure the “symmetry of communication”.
The wireless transmitter-receiver decreases the upper limit value of transmission power by an operation of an operation means 114 and decreases the reception sensitivity in accordance with the decreased upper limit value of transmission power. Thereby, a user can determine the upper limit value of transmission power of the wireless transmitter-receiver and manage the transmission power to suppress power consumption and elongate a continuous operation time. Moreover, the wireless transmitter-receiver can eliminate the influence of radio frequency electromagnetic field on a human body. Furthermore, the degree of imbalance in the “symmetry of communication” can be minimized.
246 Citations
43 Claims
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1-28. -28. (canceled)
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29. A wireless transmitter-receiver characterized in being provided with:
- a transmission power decreasing means for decreasing an upper limit value of transmission power by a prescribed operation; and
a reception performance decreasing means for decreasing reception performance so that the range in which the wireless transmitter-receiver can receive a signal from a radio base station coincides with the range in which the wireless transmitter-receiver can transmit a signal to the radio base station or so that the portion in which the both ranges do not coincide is minimized. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
- a transmission power decreasing means for decreasing an upper limit value of transmission power by a prescribed operation; and
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42. A wireless transmitter-receiver characterized in being provided with:
- a means for decreasing an upper limit value of transmission power by a prescribed operation; and
a means for decreasing a reference value in determining if the communication is compatible so that the reception sensitivity is decreased by the same amount as the decreased amount of transmission power by the prescribed operation.
- a means for decreasing an upper limit value of transmission power by a prescribed operation; and
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43. A wireless transmitter-receiver characterized in being provided with:
- a means for decreasing an upper limit value of transmission power by a prescribed operation; and
a means for decreasing an allowance for an error rate of received data so that the reception sensitivity is decreased by the same amount as the decreased amount of transmission power by the prescribed operation.
- a means for decreasing an upper limit value of transmission power by a prescribed operation; and
Specification