Samsung Electronics Co., Ltd.

Postech Academy-industry Foundation

Byungjoon Park

Juho Son

Daehyun Kang

Jeongho Lee

Hyunchul Park

Jihoon Kim

Hayoung Yang

Yunsung Cho

Seijoon Shim

Bumman Kim

Kyunghoon Moon

Daechul Jeong

Seokwon Lee

Sangho Lee

Kihyun Kim

Donghyun Lee

Joohyun Lee

Chongdon Kim

Chanho Choi

Sunggi Yang

Jooseok Lee

Myeongcheol Shin

Yusuk Yun

Dae Ho Sohn

Disclosed is a 5G (5generation) or pre-5G communication system for supporting a data transmission rate higher than that of a 4G (4generation) 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 power in transmission device

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). A transceiver in a wireless communication system may include: a first circuit configured to up-convert a first digital signal corresponding to a first band and to up-convert a second digital signal corresponding to a second band using a same intermediate frequency (IF) frequency, and to analog-convert the up-converted signals into a first analog signal and a second analog signal; a second circuit configured to up-convert the first analog signal and the second analog signal to produce a first radio frequency (RF) signal of the first band and a second RF signal of the second band, and to output an RF signal of a third bandwidth including the first RF signal and the second RF signal; and a third circuit configured to separate the RF signal of the third bandwidth into the first RF signal and the second RF signal, to adjust a phase of the first RF signal to perform beamforming in the first band, and to adjust a phase of the second RF signal to perform beamforming in the second band.

Apparatus and method for transmitting and receiving signals on multiple bands in wireless communication system

The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transmission rate than a 4G communication system such as LTE. A method for transmitting and receiving data comprises the steps of: receiving a first synchronization block over a first narrow band; identifying whether an indicator indicating that the first narrow band is not allocated to a terminal is included in the first synchronization block; and performing synchronization in the first narrow band if the indicator indicating that the first narrow band is not allocated to the terminal is not included in the first synchronization block.

Method and apparatus for transceiving data in wireless communication system

A transceiver in a wireless communication system is provided. The transceiver includes a first circuit configured to convert a digital signal having a third bandwidth, a second circuit configured to separate the analog signal into a first analog signal corresponding to the first band and a second analog signal corresponding to the second band, up-convert the first analog signal and the second analog signal to generate a first radio frequency (RF) signal in the first band and a second RF signal in the second band, and output an RF signal having the third bandwidth, and a third circuit configured to separate the RF signal into the first RF signal and the second RF signal, adjust a phase of the first RF signal for beamforming in the first band, and adjust a phase of the second RF signal for beamforming in the second band.

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 amplifying transmission signals in wireless communication system

The present invention relates to a communication technique for merging, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system, and a system therefor. In addition, the present invention provides a device for testing a beam forming processor, comprising: at least one power determination unit, which is electrically connected to the beam forming processor for performing beam forming, and determines the output power of the beam forming processor; and a control unit, which is connected to the power determination unit by wire and determines whether the beam forming processor is normal on the basis of the output power received from the power determination unit.

Device for testing beam forming processor

The present disclosure relates to a communication technique for converging Internet of Things (IoT) technology with a 5Generation (5G) communication system for supporting a higher data transfer rate beyond a 4Generation (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.

Antenna module using transmission line length and electronic device including the same

The 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 method includes 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 system includes a power amplification device capable of minimizing the effect of envelope impedance. The power amplification device may be incorporated in a terminal and a base station.

Power amplification device, terminal having the same, and base station having the same

The disclosure relates to a 5G or pre-5G communication system for supporting a higher data rate after a 4G communication system such as LTE. According to an embodiment, a method of a base station in a wireless communication system includes identifying, in a synchronization block to be generated, a resource to which a signal related to the synchronization block is not mapped, determining whether to map a specific signal to the identified resource, and transmitting, to a terminal, the synchronization block generated based on a result of the determination.

Method and apparatus for improving synchronization in wireless communication system

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.

Electronic device including plurality of antenna arrays

The present disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4-Generation (4G) communication system such as Long Term Evolution (LTE). A method of operating a first Radio Unit (RU) for transmitting an uplink signal in a communication system of the present disclosure includes receiving a first signal through an antenna, re-compensating a second signal delivered from a second RU through a transmission line by using a re-compensation factor, compensating a third signal obtained by adding the first signal and the re-compensated second signal by using a compensation factor, and delivering the compensated third signal to a higher-level RU or a Digital Unit (DU).

Growing community of inventors

Suwon-si, South Korea

Byungjoon Park