PORTABLE DEVICE WITH SUBSCRIBER IDENTITY CARDS AND METHOD FOR CONTROLLING TRANSMISSION POWER THEREOF
First Claim
1. A portable device, comprising:
- a first wireless module;
a second wireless module;
a first subscriber identity card coupled to the first wireless module, camping on a cell via the first wireless module;
a second subscriber identity card coupled to the second wireless module, camping on the same cell or a different cell via the second wireless module; and
a battery,wherein a first transmission power of one of the first and second wireless modules is maintained, and a second transmission power of another one of the first and second wireless modules is dynamically adjusted according to a variation in a voltage of the battery.
1 Assignment
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Accused Products
Abstract
A portable device is provided. The portable device comprises a first wireless module, a second wireless module, a first subscriber identity card coupled to the first wireless module, a second subscriber identity card coupled to the second wireless module and a battery. The first subscriber identity card camps on a cell via the first wireless module. The second subscriber identity card camps on the same cell or a different cell via the second wireless module. A first transmission power of one of the first and second wireless modules is maintained, and a second transmission power of another one of the first and second wireless modules is dynamically adjusted according to a variation in a voltage of the battery.
9 Citations
13 Claims
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1. A portable device, comprising:
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a first wireless module; a second wireless module; a first subscriber identity card coupled to the first wireless module, camping on a cell via the first wireless module; a second subscriber identity card coupled to the second wireless module, camping on the same cell or a different cell via the second wireless module; and a battery, wherein a first transmission power of one of the first and second wireless modules is maintained, and a second transmission power of another one of the first and second wireless modules is dynamically adjusted according to a variation in a voltage of the battery. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for controlling transmission power of a portable device, wherein the portable device comprises a battery, a first wireless module camping on a cell with a first subscriber identity card, and a second wireless module camping on the same cell or a different cell with a second subscriber identity card, comprising:
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detecting a voltage of the battery when first and second communication services are provided by the portable device via the first and second subscriber identity cards, respectively; determining a slave wireless module between the first and second wireless modules according to the communication services; and dynamically adjusting a transmission power of the slave wireless module according to the detected voltage of the battery. - View Dependent Claims (10, 11, 12, 13)
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Specification