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公开(公告)号：US20230370096A1
公开(公告)日：2023-11-16
申请号：US18355021
申请日：2023-07-19
发明人： Hyunchul PARK , Ho-Jin SONG , Yonghoon KIM , Sunggi YANG , Seunguk CHOI , Seunghoon LEE
CPC分类号： H04B1/0007 , H04B1/18 , H04B1/0458
摘要： The disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transmission rate than a 4th generation (4G) communication system, such as long term evolution (LTE). A circuit for detecting a reflection coefficient of an electronic device in a wireless communication system is provided. The circuit includes at least one processor, a plurality of analog to digital converters (ADCs), a plurality of RF elements, and a plurality of transmission lines including a first transmission line, a second transmission line, and a third transmission line, wherein the plurality of ADCs, the plurality of RF elements, and the plurality of transmission lines are correspondingly connected to each other, respectively, the plurality of ADCs are connected to the at least one processor.
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公开(公告)号：US20220399944A1
公开(公告)日：2022-12-15
申请号：US17890091
申请日：2022-08-17
发明人： Hyunchul PARK , Ho-Jin SONG , Seunguk CHOI , Yonghoon KIM , Donggyu MINN , Yuichi AOKI
摘要： The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). An electronic device, in a wireless communication system, may include: a processor, an antenna array, a plurality of first radio frequency (RF) paths related to a first stream, the first RF paths each including a transmit (TX) path and a receive (RX) path, and a plurality of second RF paths related to a second stream, the second RF paths each including a TX path and an RX path, and the processor may be configured to: generate a calibration signal for the antenna array, obtain characteristic information of the antenna array based on a phase difference or a gain difference between one TX path having the first stream and one RX path having the second stream obtained for each of measurement RF paths among the plurality of the first RF paths, and calibrate the plurality of the first RF paths based on the characteristic information.
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公开(公告)号：US20230031672A1
公开(公告)日：2023-02-02
申请号：US17963693
申请日：2022-10-11
发明人： Kihyun KIM , Sangho LEE , Jinhyun KIM , Hyunchul PARK
摘要： The disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system, such as long term evolution (LTE). A transformer is provided. The transformer includes a first primary inductor, a second primary inductor, and a secondary inductor. The secondary inductor may be disposed between the first primary inductor and the second primary inductor. The secondary inductor may be disposed spaced apart from the first primary inductor and the second primary inductor.
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4.发明申请公开(公告)号：US20140223083A1
公开(公告)日：2014-08-07
申请号：US14152333
申请日：2014-01-10
发明人： Hyunchul PARK , Sangmok KIM
IPC分类号： G06F12/02
CPC分类号： G06F12/0246 , G06F2212/7205
摘要： A defragmentation method of a user device which includes a host and a nonvolatile storage device includes: determining whether fragments of a first file stored at the nonvolatile storage device are in a same logical address zone; and executing defragmentation on the fragments of the first file if the fragments of the first file are in different logical address zones by moving the fragments of the first file to a logical address space corresponding to at least one of the different logical address zones.
摘要翻译： 包括主机和非易失性存储设备的用户设备的碎片整理方法包括：确定存储在所述非易失性存储设备处的第一文件的片段是否在相同的逻辑地址区域中; 以及如果第一文件的片段通过将第一文件的片段移动到与至少一个不同的逻辑地址区域相对应的逻辑地址空间而在不同的逻辑地址区域中，则对第一文件的片段执行碎片整理。
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5.发明申请公开(公告)号：US20210273665A1
公开(公告)日：2021-09-02
申请号：US17262961
申请日：2019-07-25
发明人： Byungjoon PARK , Daehyun KANG , Jihoon KIM , Hyunchul PARK , Juho SON
摘要： The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a data transmission rate higher than that of a 4th generation (4G) communication system such as long term evolution (LTE). The present disclosure is to amplify transmission signals in a wireless communication system, and a transmitting device may include an antenna array including a plurality of antenna elements, a plurality of amplification chains for amplifying signals transmitted through the plurality of the antenna elements, and a power supply line for supplying powers to the plurality of the amplification chains. Herein, the powers used by power amplifiers included in at least one amplification chain of the plurality of the amplification chains may be divided by filtering or by independent pads and branch-lines.
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6.发明申请公开(公告)号：US20200014358A1
公开(公告)日：2020-01-09
申请号：US16503888
申请日：2019-07-05
发明人： Hyunchul PARK , Kihyun KIM , Byungjoon PARK , Juho SON , Yunsung CHO
摘要： The present disclosure relates to a communication technique for converging Internet of Things (IoT) technology with a 5th Generation (5G) communication system for supporting a higher data transfer rate beyond a 4th Generation (4G) system, and a system therefor. The disclosure can be applied to intelligent services (e.g., smart homes, smart buildings, smart cities, smart or connected cars, health care, digital education, retail business, and services associated with security and safety) on the basis of 5G communication technology and IoT-related technology. An antenna module is provided. The antenna module includes an antenna, and at least one transmission line configured to transmit a first signal through the antenna for transmission or receive a second signal through the antenna for reception. The length of the transmission line may be determined based on the impedance when the first signal or the second signal flows through the transmission line.
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公开(公告)号：US20230336126A1
公开(公告)日：2023-10-19
申请号：US18335594
申请日：2023-06-15
发明人： Hyunchul PARK , Seokhyeon KIM , Byungjoon PARK
CPC分类号： H03F1/0288 , H03F3/245 , H03F1/565 , H03F2200/451
摘要： The disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond a 4th-Generation (4G) communication system such as long term evolution (LTE). A Doherty power amplifier in a wireless communication system is provided. The Doherty power amplifier includes a differential carrier amplifier, a differential peaking amplifier, and an output matching circuit. The output matching circuit may include a primary tuning capacitor, a transformer, and a secondary tuning capacitor. The differential carrier amplifier may be connected to the primary tuning capacitor through a carrier capacitor, and inductors, of an output terminal of the differential carrier amplifier. The differential peaking amplifier may be connected to the primary tuning capacitor. The primary tuning capacitor, the inductors, and the carrier capacitor may be configured to function as a quarter-wave transformer.
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公开(公告)号：US20230327626A1
公开(公告)日：2023-10-12
申请号：US18210433
申请日：2023-06-15
发明人： Jinhyun KIM , Hyunchul PARK , Kihyun KIM
IPC分类号： H03G3/30
CPC分类号： H03G3/3036
摘要： The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting higher data transmission rates than 4th generation (4G) communication systems such as long-term evolution (LTE). In a wireless communication system, an apparatus comprises: a first amplifier unit that has a common source structure, includes cross-coupled capacitors, and amplifies an input signal; and a second amplifier unit that has a common gate structure, is connected to the first amplifier unit, and amplifies the signal output from the first amplifier unit, wherein the second amplifier unit includes a first input unit, a second input unit, a third input unit, and a fourth input unit, and two input units among the first input unit, the second input unit, the third input unit, and the fourth input unit may be connected to the first amplifier unit.
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公开(公告)号：US20230299480A1
公开(公告)日：2023-09-21
申请号：US18202163
申请日：2023-05-25
发明人： Kihyun KIM , Seokhyeon KIM , Yonghoon KIM , Hyunchul PARK
摘要： In a 5th generation (5G) or pre-5G communication system for supporting a high data transfer rate, a method of measuring a power of a signal in an electronic device may include obtaining, by at least one sensor, a first voltage of the signal at a first point between a power amplifier and a transmission line, obtaining, by the at least one sensor, a second voltage of the signal at a second point between the transmission line and an antenna, and calculating a power of the signal, based on the first voltage and the second voltage. A length of the transmission line may be based on a wavelength of the signal. The method and corresponding electronic device reduce an error between power to be calculated and power consumed in practice.
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公开(公告)号：US20210218376A1
公开(公告)日：2021-07-15
申请号：US17250748
申请日：2019-08-28
发明人： Hyunchul PARK , Byungjoon PARK , Daehyun KANG , Juho SON , Sunggi YANG , Jeongho LEE , Yunsung CHO
摘要： Disclosed is a 5G (5th generation) or pre-5G communication system for supporting a data transmission rate higher than that of a 4G (4th generation) communication system such as long-term evolution (LTE). A transmission device comprises: a first amplification unit having a common source structure, including cross coupled capacitors, and amplifying an input signal; a second amplification unit, having a common gate structure, for amplifying a signal output from the first amplification unit; and a first removal unit which is connected to output terminals of the first amplification unit and input terminals of the second amplification unit and which removes at least one portion of second harmonics. The first removal unit can offset, with respect to a fundamental frequency, at least some of parasitic capacitance generated from the output terminals of the first amplification unit and the input terminals of the second amplification unit, and can ground a signal having a secondary harmonic frequency with respect to the secondary harmonic frequency.
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