Devices and systems including transmitters for broadband magnetic field communication
AssigneeElectronics and Telecommunications Research Institute
InventorsKye Seok Yoon, In Kui Cho, Jung Hoon Oh, Jang Yeol Kim, Hyun Joon Lee
Life of this patent
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Abstract
A system for performing magnetic field communication is disclosed. According to one embodiment of the present disclosure, a system for performing magnetic field communication may include a first current mode power supply having a voltage and one or more inductors connected thereto; a power amplifier connected to the first current mode power supply; a first matching impedance unit including a first capacitor connected to the power amplifier; and a first magnetic field antenna including a coil and a resistor connected in parallel with the first matching impedance unit.
Claims13
A system for performing magnetic field communication, the system comprising:
- a first current mode power supply having a voltage and one or more inductors connected thereto;
- a power amplifier connected to the first current mode power supply;
- a first matching impedance unit including a first capacitor connected to the power amplifier;
- and a first magnetic field antenna including a coil and a resistor connected in parallel with the first matching impedance unit, wherein an input data inputted into the system is converted into a digital signal by a first field-programmable gate array (FPGA), wherein the power amplifier performs a switching and amplifying operation based on the digital signal converted by the first FPGA, and wherein the first magnetic field antenna transmits the digital signal switched and amplified by the power amplifier to a second magnetic field antenna.
A transmitting device performing magnetic field communication, the transmitting device comprising:
- a first current mode power supply having a voltage and one or more inductors connected thereto;
- a power amplifier connected to the first current mode power supply;
- a first matching impedance unit including a first capacitor, connected to the power amplifier;
- and a first magnetic field antenna including a coil and a resistor, connected in parallel with the first matching impedance unit, wherein an input data inputted to the transmitter is converted into a digital signal by a first field-programmable gate array (FPGA), wherein the power amplifier performs a switching and amplifying operation based on the digital signal converted by the first FPGA, and wherein the first magnetic field antenna transmits the digital signal switched and amplified by the power amplifier to a second magnetic field antenna included in a receiving device.
A receiving device that performs magnetic field communication, the receiving device comprising:
- a second current mode power supply unit having a voltage and one or more inductors connected thereto;
- a filter unit connected to the second current mode power supply unit;
- a second matching impedance unit including a second capacitor connected to the filter unit;
- and
- a second magnetic field antenna including a coil and a resistor connected in parallel with the second matching impedance unit,
- wherein a data signal input from the transmitter through the second magnetic field antenna is filtered by the filter unit, and
- wherein the filtered data signal is demodulated by a second field-programmable gate array (FPGA) including a demodulator.
Dependencies are inferred from the claim text.