METHOD AND APPARATUS FOR DETECTING REFLECTION COEFFICIENT

    公开(公告)号:EP4270019A1

    公开(公告)日:2023-11-01

    申请号:EP22742821.6

    申请日:2022-01-19

    摘要: The present disclosure relates to a 5 th generation (5G) or pre-5G communication system for supporting a higher data transmission rate than a 4 th generation (4G) communication system such as Long Term Evolution (LTE). According to various embodiments of the present disclosure, a circuit for detecting a reflection coefficient of an electronic device in a wireless communication system comprises: 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, the first transmission line is disposed to be spaced apart from a transmission line of the electronic device by a predetermined distance and is electrically connected at a first point of the transmission line, the second transmission line is disposed to be spaced apart from the transmission line by a predetermined distance and is electrically connected at a second point of the transmission line, the third transmission line is disposed to be spaced apart from the transmission line by a predetermined distance and is electrically connected at a third point of the transmission line, the first point may be spaced apart from the second point by a first length, and the third point may be spaced apart from the second point by a second length.

    APPARATUS AND METHOD FOR MEASURING STRENGTH OF SIGNAL

    公开(公告)号:EP4231024A1

    公开(公告)日:2023-08-23

    申请号:EP21898680.0

    申请日:2021-11-26

    摘要: The disclosure relates to a 5 th generation (5G) or pre-5G communication system for supporting a higher data transfer rate than a 4 th generation (4G) communication system such as long term evolution (LTE). According to various embodiments of the disclosure, a method of measuring power of a signal 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 power, based on the first voltage and the second voltage. A length of the transmission line may be associated with a wavelength of the signal.

    APPARATUS AND METHOD FOR AMPLIFYING POWER IN TRANSMISSION DEVICE

    公开(公告)号:EP3832886A1

    公开(公告)日:2021-06-09

    申请号:EP19853684.9

    申请日:2019-08-28

    IPC分类号: H03F3/24 H03F3/45 H03F1/32

    摘要: Disclosed is a 5G (5 th generation) or pre-5G communication system for supporting a data transmission rate higher than that of a 4G (4 th 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.

    APPARATUS AND METHOD FOR AMPLIFYING TRANSMISSION SIGNALS IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:EP3820045A1

    公开(公告)日:2021-05-12

    申请号:EP19841535.8

    申请日:2019-07-25

    IPC分类号: H03F3/21 H03F1/02 H04B1/04

    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.

    APPARATUS AND METHOD FOR COMPENSATING FOR ERROR IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:EP4262111A1

    公开(公告)日:2023-10-18

    申请号:EP22739787.4

    申请日:2022-01-14

    IPC分类号: H04B17/12 H04B17/21 H04B1/40

    摘要: The present disclosure relates to a pre-5 th -Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4 th -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.

    TRANSFORMER FOR LOW LOSS, AND DEVICE COMPRISING SAME

    公开(公告)号:EP4216241A1

    公开(公告)日:2023-07-26

    申请号:EP21907057.0

    申请日:2021-12-14

    摘要: The disclosure relates to a pre-5 th -Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4 th -Generation (4G) communication system, such as long term evolution (LTE). According to various embodiments of the disclosure, a transformer may include 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.

    ELECTRONIC DEVICE INCLUDING PLURALITY OF ANTENNA ARRAYS

    公开(公告)号:EP3675381A3

    公开(公告)日:2020-07-08

    申请号:EP19219545.1

    申请日:2019-12-23

    IPC分类号: H04B7/06 H01Q1/52 H01Q3/26

    摘要: A communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT) are provided. The disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The electronic device includes a first antenna module including a first amplifier configured to amplify a signal received from a communication circuit, a second antenna module including a second amplifier configured to amplify a signal received from the communication circuit, and an impedance matching circuit disposed between an output terminal of the first amplifier and an output terminal of the second amplifier.

    POWER AMPLIFIER IN WIRELESS COMMUNICATION SYSTEM, AND ELECTRONIC DEVICE COMPRISING SAME

    公开(公告)号:EP4262083A1

    公开(公告)日:2023-10-18

    申请号:EP21907100.8

    申请日:2021-12-15

    摘要: The disclosure relates to a pre-5 th -Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond a 4 th -Generation (4G) communication system such as long term evolution (LTE). A Doherty power amplifier in a wireless communication system may include 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.