公开(公告)号：US10129821B2

公开(公告)日：2018-11-13

申请号：US15280515

申请日：2016-09-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Dong Han ,  Zhiyong Liu

IPC: H04W48/18 ,  H04W88/10 ,  H04W36/00 ,  H04B7/0413

Abstract: A multichannel radio frequency apparatus and method are disclosed. The apparatus includes a digital baseband unit and at least one transmission subsystem, and the subsystem includes: digital up converters, configured to up-convert baseband signals generated; a digital combiner, configured to up-convert M channels of digital radio frequency signals into a high frequency band whose frequency is greater than or equal to 30 GHz, to obtain M channels of high frequency digital signals, and combine the M channels of high frequency digital signals into a channel of ultra-wideband high frequency digital signal; a DAC, configured to convert the ultra-wideband high frequency digital signal into an ultra-wideband high frequency analog signal; an analog splitter, configured to split the ultra-wideband high frequency analog signal into M channels of high frequency analog signals; and radio frequency transmitting circuits, configured to transmit the analog radio frequency signals by using radio frequency antennas.

公开(公告)号：US10333691B2

公开(公告)日：2019-06-25

申请号：US15709999

申请日：2017-09-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Dong Han ,  Zhiyong Liu

IPC: H04L7/00 ,  H01Q1/24 ,  H04B1/00

Abstract: Embodiments of the present disclosure disclose a receiver, including a high-speed sampling module (110), an analog Fast Fourier Transform (AFFT) module (120), a selection switch module (130), a low-speed analog to digital converter (ADC) module (140), and a control module (150). The high-speed sampling module (110) is configured to sample a received signal and output a sampled signal; the AFFT module (120) is configured to perform time-to-frequency conversion on the sampled signal and output an analog frequency domain signal; the selection switch module (130) is configured to transmit the analog frequency domain signal to the low-speed ADC module (140); and the control module (150) is configured to perform configuration on a sampling rate of the high-speed sampling module (110), a quantity of points of Fast Fourier Transform that are used b the AFFT module (120) for performing time-to-frequency conversion, and a target input port of the selection switch module (130).

公开(公告)号：US12040823B2

公开(公告)日：2024-07-16

申请号：US17508662

申请日：2021-10-22

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Chuanhui Ma ,  Dong Han ,  Guolong Huang

IPC: H04B1/04 ,  H04B1/00 ,  H04W28/18 ,  H04W88/10

CPC classification number: H04B1/0458 ,  H04B1/0007 ,  H04B1/0475 ,  H04B1/0483 ,  H04B2001/0408

Abstract: The present disclosure relates to signal sending circuits, signal receiving circuits, electronic apparatus, and base stations. One example circuit includes a signal pre-processing sub-circuit, a digital-to-analog conversion sub-circuit, an intermediate frequency power splitter, K frequency conversion phase-shift sub-circuits, and K antenna elements. An output end of the signal pre-processing sub-circuit is connected to an input end of the digital-to-analog conversion sub-circuit, an output end of the digital-to-analog conversion sub-circuit is connected to an input end of the intermediate frequency power splitter, an output end of the intermediate frequency power splitter is connected to input ends of the K frequency conversion phase-shift sub-circuits, and output ends of the K frequency conversion phase-shift sub-circuits are connected one-to-one to input ends of the K antenna elements.

公开(公告)号：US20170019847A1

公开(公告)日：2017-01-19

申请号：US15280515

申请日：2016-09-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Dong Han ,  Zhiyong Liu

IPC: H04W48/18 ,  H04W36/00

CPC classification number: H04W48/18 ,  H04B7/0413 ,  H04W36/0066 ,  H04W88/10

Abstract: A multichannel radio frequency apparatus and method are disclosed. The apparatus includes a digital baseband unit and at least one transmission subsystem, and the subsystem includes: digital up converters, configured to up-convert baseband signals generated; a digital combiner, configured to up-convert M channels of digital radio frequency signals into a high frequency band whose frequency is greater than or equal to 30 GHz, to obtain M channels of high frequency digital signals, and combine the M channels of high frequency digital signals into a channel of ultra-wideband high frequency digital signal; a DAC, configured to convert the ultra-wideband high frequency digital signal into an ultra-wideband high frequency analog signal; an analog splitter, configured to split the ultra-wideband high frequency analog signal into M channels of high frequency analog signals; and radio frequency transmitting circuits, configured to transmit the analog radio frequency signals by using radio frequency antennas.

Abstract translation: 公开了一种多通道射频装置和方法。 该装置包括数字基带单元和至少一个传输子系统，并且该子系统包括：数字上变频器，被配置为上变频生成的基带信号; 数字组合器，被配置为将M个数字射频信号上转换成频率大于或等于30GHz的高频带，以获得M个高频数字信号，并组合高频M信道 数字信号转换成超宽带高频数字信号通道; DAC，被配置为将超宽带高频数字信号转换成超宽带高频模拟信号; 模拟分路器，被配置为将超宽带高频模拟信号分为M个高频模拟信号通道; 以及射频发送电路，被配置为通过使用射频天线发送模拟射频信号。