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公开(公告)号：US10707974B1
公开(公告)日：2020-07-07
申请号：US16600579
申请日：2019-10-14
Applicant: Industrial Technology Research Institute
Inventor： Jan-Shin Ho , Shih-Hao Fang , Jen-Yuan Hsu , Jia-Ming Chen
Abstract: The disclosure provides a transceiver of a communication system using hybrid beamforming and performing an antenna calibration method. In an exemplary embodiment in accordance with the disclosure, the transceiver may generate a plurality of scrambling sequences. The transceiver may comprise a plurality of coupling circuits to receive a feedback signal. The transceiver may use the plurality of scrambling sequences to recover the transmit signals output by the antenna elements from the feedback signal. Thus, the transmitter may perform antenna calibration for each antenna element.
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公开(公告)号：US10673475B1
公开(公告)日：2020-06-02
申请号：US16600574
申请日：2019-10-14
Applicant: Industrial Technology Research Institute
Inventor： Wei-Cheng Zhuo , Wei-Min Lai , Jia-Ming Chen , Jen-Yuan Hsu
Abstract: The disclosure provides a transmitter of a communication system using hybrid digital/analog beamforming and configured to perform digital pre-distortion (DPD). In an exemplary embodiment in accordance with the disclosure, the transmitter may generate a plurality of scrambling sequences. The transmitter may comprise a plurality of combining modules to receive a combined feedback signal. The transmitter may use the plurality of scrambling sequences to recover the signals output by the antenna arrays from the combined feedback signal. Thus, the transmitter may perform DPD for each antenna array.
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公开(公告)号：US10104563B2
公开(公告)日：2018-10-16
申请号：US15392385
申请日：2016-12-28
Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
Inventor： Shih-Hao Fang , Jen-Yuan Hsu , Dung-Rung Hsieh , Jing-Shiun Lin
Abstract: A method for setting modes of data transmission, adapted to the base station device provided. The method includes steps of: receiving a signal quality indicator and a value of interference cancellation capability from a terminal device; obtaining a power difference according to the signal quality indicator by subtracting a reception power of the terminal device from a transmission power of the terminal device; comparing the power difference with the value of interference cancellation capability, and setting the terminal device as a first type terminal device only allowed to apply half duplex transmission or a second type terminal device allowed to apply full duplex transmission according to the comparison result.
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公开(公告)号：US10541743B2
公开(公告)日：2020-01-21
申请号：US15857082
申请日：2017-12-28
Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
Inventor： Shih-Hao Fang , Jen-Yuan Hsu , Hung-Fu Wei , Chien-Yu Kao
IPC: H04B7/08 , H04B17/318
Abstract: A communication system and an operating method thereof are provided. The communication system includes at least one user equipment, at least one remote radio head (RRH), a measuring unit, a set determining unit and an antenna selecting unit. The RRH is electrically connected to a plurality of antennas. The measuring unit is for controlling a measurement of a signal strength of the at least one user equipment. The set determining unit is used for selecting one of a plurality of antenna configuration sets according to the signal strength for the at least one user equipment. Each of the antenna configuration sets includes a plurality of antenna configurations. Each of the antenna configurations is composed of P of a plurality of antennas. The antenna selecting unit is used for allocating one of the antenna configurations from the antenna configuration set which is selected for the at least one user equipment.
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公开(公告)号：US20180183472A1
公开(公告)日：2018-06-28
申请号：US15390543
申请日：2016-12-26
Applicant: Industrial Technology Research Institute
Inventor： Chao-Kai Wen , Chang-Jen Wang , Jing-Shiun Lin , Jen-Yuan Hsu , Dung-Rung Hsieh , Chiu-Ping Wu
CPC classification number: H04B1/1027 , H03M1/06 , H03M1/0854 , H03M1/66 , H04B7/0417 , H04L1/0054 , H04L25/0256 , H04L25/0258 , H04L27/2647
Abstract: The disclosure is directed to an OFDM receiver with a low-resolution ADC and an electronic device thereof. According to one of the exemplary embodiments, the OFDM receiver may include not limited to: an ADC module which receives a transmission signal of a channel in an analog format and digitizes the transmission signal into a digital format to generate a quantized transmission signal; an error compensating and estimating module which is coupled to the ADC module, receives the quantized transmission signal and a feedback signal which is a first estimated time-domain transmission signal to generate an estimated error signal according to a turbo iterative updating technique; and a signal estimating module which is coupled to the error compensating and estimating module, receives the estimated error signal and a channel attenuation coefficient of the channel to generate an estimated transmission signal.
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Patent Agency Ranking
公开(公告)号：US20240171237A1
公开(公告)日：2024-05-23
申请号：US18085527
申请日：2022-12-20
Applicant: Industrial Technology Research Institute
Inventor： Shih-Hao Fang , Chiu-Ping Wu , Hung-Fu Wei , Jen-Yuan Hsu
CPC classification number: H04B7/0617 , H04B7/145
Abstract: An aspect of the disclosure includes a communication system and a communication method using reconfigurable intelligent surface and a reconfigurable intelligent surface device. The communication system includes at least one base station, a reconfigurable intelligent surface device, and a control at one least device. The at least one base station respectively transmits at least one beam. The reconfigurable intelligent surface device is coupled to the at least one base station, and measures the at least one beam of the at least one base station to obtain signal measurement results associated with each of the at least one base station. The control device is coupled to the at least one base station. The control device groups the at least one base station and the reconfigurable intelligent surface device into at least one group according to the signal measurement results associated with each of the at least one base station.
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公开(公告)号：US10911919B2
公开(公告)日：2021-02-02
申请号：US16231704
申请日：2018-12-24
Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
Inventor： Hung-Fu Wei , Jing-Shiun Lin , Chiu-Ping Wu , Jen-Yuan Hsu
Abstract: A wireless access method for a communication system is provided. The wireless access method is adapted to a base station, and includes the following steps. A first control information is transmitted through a first frequency band. A second control information is transmitted through a second frequency band. The time difference between the transmission time points of the first control information and the second control information is less than a slot time, and the first frequency band is different from the second frequency band.
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公开(公告)号：US10312953B2
公开(公告)日：2019-06-04
申请号：US15390543
申请日：2016-12-26
Applicant: Industrial Technology Research Institute
Inventor： Chao-Kai Wen , Chang-Jen Wang , Jing-Shiun Lin , Jen-Yuan Hsu , Dung-Rung Hsieh , Chiu-Ping Wu
Abstract: The disclosure is directed to an OFDM receiver with a low-resolution ADC and an electronic device thereof. According to one of the exemplary embodiments, the OFDM receiver may include not limited to: an ADC module which receives a transmission signal of a channel in an analog format and digitizes the transmission signal into a digital format to generate a quantized transmission signal; an error compensating and estimating module which is coupled to the ADC module, receives the quantized transmission signal and a feedback signal which is a first estimated time-domain transmission signal to generate an estimated error signal according to a turbo iterative updating technique; and a signal estimating module which is coupled to the error compensating and estimating module, receives the estimated error signal and a channel attenuation coefficient of the channel to generate an estimated transmission signal.
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公开(公告)号：US12199714B2
公开(公告)日：2025-01-14
申请号：US18085527
申请日：2022-12-20
Applicant: Industrial Technology Research Institute
Inventor： Shih-Hao Fang , Chiu-Ping Wu , Hung-Fu Wei , Jen-Yuan Hsu
Abstract: An aspect of the disclosure includes a communication system and a communication method using reconfigurable intelligent surface and a reconfigurable intelligent surface device. The communication system includes at least one base station, a reconfigurable intelligent surface device, and a control at one least device. The at least one base station respectively transmits at least one beam. The reconfigurable intelligent surface device is coupled to the at least one base station, and measures the at least one beam of the at least one base station to obtain signal measurement results associated with each of the at least one base station. The control device is coupled to the at least one base station. The control device groups the at least one base station and the reconfigurable intelligent surface device into at least one group according to the signal measurement results associated with each of the at least one base station.
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公开(公告)号：US20240204837A1
公开(公告)日：2024-06-20
申请号：US18087836
申请日：2022-12-23
Applicant: Industrial Technology Research Institute
Inventor： Chiu-Ping Wu , Shih-Hao Fang , Hsin-An Hou , Jen-Yuan Hsu
CPC classification number: H04B7/0617 , H04W56/001
Abstract: A reconfiguration intelligent surface device and a beamforming method thereof, the beamforming method adapted to the reconfiguration intelligent surface device is described below. A timing synchronization signal is received. A frame boundary synchronized with a radio signal transmission/reflection device is established according to the timing synchronization signal. Beam control information is received. A reflected beam is formed by reflecting a radio signal beam transmitted or reflected by the radio signal transmission/reflection device according to the beam control information based on the frame boundary synchronized with the radio signal transmission/reflection device.
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