Structure of mobile terminal operating in a mobile communication system supporting device to device communication and operation method therefor
First Claim
1. A mobile terminal supporting device to device (D2D) communication in a mobile communication system, the mobile terminal comprising:
- a duplexer connected to an antenna unit;
a first radio frequency (RF) chain comprising a digital-to-analog converter, a first mixer, and a power amplifier;
a second RF chain comprising an analog-to-digital converter, a second mixer, and a low noise amplifier;
a first switch configured to connect the first mixer with the power amplifier or the low noise amplifier;
a second switch configured to connect the low noise amplifier with a first band pass filter of the duplexer or a second band pass filter of the duplexer;
a third switch configured to connect the analog-to-digital converter with the first mixer or the second mixer; and
a controller configured to control switching a plurality of the first switch, the second switch, and the third switch based on a D2D communication mode or a mobile communication mode.
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Accused Products
Abstract
A mobile terminal in a mobile communication system supporting device to device (D2D) communication, and a method for operating the mobile terminal are provided. The terminal includes a first radio frequency (RF) chain configured to transmit a mobile communication signal and a second RF chain configured to receive a mobile communication signal, for mobile communication with a base station, a switching unit including a plurality of switches configured to establish transmission and reception paths in the first and second RF chains, and a controller configured to control switching of the switching unit to establish transmission and reception paths of a D2D communication signal for D2D communication by combining a part of the first RF chain with a part of the second RF chain. The combination of the parts of the first and second RF chains is different according to a D2D communication frequency band.
8 Citations
7 Claims
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1. A mobile terminal supporting device to device (D2D) communication in a mobile communication system, the mobile terminal comprising:
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a duplexer connected to an antenna unit; a first radio frequency (RF) chain comprising a digital-to-analog converter, a first mixer, and a power amplifier; a second RF chain comprising an analog-to-digital converter, a second mixer, and a low noise amplifier; a first switch configured to connect the first mixer with the power amplifier or the low noise amplifier; a second switch configured to connect the low noise amplifier with a first band pass filter of the duplexer or a second band pass filter of the duplexer; a third switch configured to connect the analog-to-digital converter with the first mixer or the second mixer; and a controller configured to control switching a plurality of the first switch, the second switch, and the third switch based on a D2D communication mode or a mobile communication mode. - View Dependent Claims (2, 3, 4)
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5. A device to device (D2D) communication method of a mobile terminal in a mobile communication system supporting D2D communication,
wherein the mobile terminal comprising a duplexer connected to an antenna unit, a first radio frequency (RF) chain comprising a digital-to-analog converter, a first mixer, and a power amplifier, a second RF chain comprising an analog-to-digital converter, a second mixer, and a low noise amplifier, a first switch configured to connect the first mixer with the power amplifier or the low noise amplifier, a second switch configured to connect the low noise amplifier with a first band pass filter of the duplexer or a second band pass filter of the duplexer, a third switch configured to connect the analog-to-digital converter with the first mixer or the second mixer, and a controller configured to control switching of the first switch, the second switch, and the third switch based on a D2D communication mode or a mobile communication mode, the method comprising: -
determining, by the controller, to receive a signal for D2D communication; controlling, by the controller, the first switch to connect the first mixer to the low noise amplifier; controlling, by the controller, the second switch to connect the low noise amplifier to the first band pass filter of the duplexer; and controlling, by the controller, the third switch to connect the first mixer to the analog-to-digital converter. - View Dependent Claims (6, 7)
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Specification