Telefonaktiebolaget Lm Ericsson (Publ)

China University of Mining and Technology (CUMT)

University of Science and Technology Beijing

Xi'an Jingdong Tianhong Technology Co., Ltd.

Xuejun Sun

Li Wang

Bin Xu

Ning Liu

Liang Wang

Yong Wang

Haitao Liu

Chang Liu

Yong Sun

Fei Ma

Liyun Yang

Yanguang Liu

Renshu Yang

Jianlan Li

Xinmin Ma

Gang Niu

Zheng Cui

Man Yao

Hechao Zhu

Huidong Xu

Zhengbai Chen

Yuping Shi

Yiqiang Kang

Bingyu Liu

Qunshan Yang

Donghui Man

Chaoyang Sun

Huaquan Zhang

Siyuan Huang

Jinjun Liao

Liang Ma

Weiqiang Chen

Qingping Chai

Zhidong Guo

Yongping Shao

A radio heatsink, a radio unit, and a base station are disclosed. According to an embodiment, the radio heatsink () comprises a heatsink base () and a plurality of heatsink fins () extending from a first side of the heatsink base (), wherein at least one portion () of the heatsink base () bulges at the first side toward the heatsink fins (), a recess () opening to a second side of the heatsink base () that is opposite to the first side is formed at the portion (), and the radio heatsink () further comprises a metal cavity filter () integrated with the heatsink base (). According to another embodiment, the metal cavity filter () is separately formed and then inserted into the recess ().

Radio heatsink, radio unit, and base station

The present disclosure provides a base station. It includes a radio board; at least one primary radiator disposed on the radio board; a multi-function block configured to protect and at least partly enclose the at least one primary radiator and the radio board; and at least one secondary radiator, located above the at least one primary radiator. At least a part of the multi-function block is located between the at least one primary radiator and the at least one secondary radiator.

Base station

Disclosed is a full-face shaft boring machine, a boring system and a boring method. The full-face shaft boring machine includes a cutterhead structure provided with an outer tapered surface structure protruding in a boring direction. The outer tapered surface structure surrounds an outer circumferential side of the rotation center of the cutterhead structure, and a radial cross section of the outer tapered surface structure gradually decreases in the boring direction; at least one receiving port for rock slag to pass through is formed at the taper top of the outer tapered surface structure and runs through the cutterhead structure in the boring direction; and a slag discharging assembly for discharging the rock slag is arranged on a side of the cutterhead structure away from the boring direction.

Full-face shaft boring machine, boring system, and boring method

A self-service parcel cabinet, comprising: a main-body part (), a sorting apparatus (), a parking apparatus (), and a control device. The main-body part is a hollow structure opened at the top. At least part of the hollow structure is formed by multiple self-service parcel lockers () surroundingly arranged. The parking apparatus is provided on top of the main-body part and comprises a drone landing pad (). Provided on the drone landing pad is a channel allowing passing of a parcel delivered by the drone and directly facing the opening at the top. The sorting apparatus is provided within the hollow structure, communicatively connected to the control device, and capable of, when a parcel receiving instruction transmitted by the control device is received, receiving according to the parcel receiving instruction a parcel delivered by the drone, and, when a first sorting instruction transmitted by the control device is received, transferring according to the first sorting instruction the receive parcel into a self-service locker of the self-service cabinet.

Self-service parcel cabinet

A multi-layer Printed Circuit Board PCB and a wireless communication node are disclosed in the present invention. The multi-layer PCB which is to be assembled in the communication node may include multiple radio layers () on one side of the PCB and at least one antenna layer () on another side of the PCB. At least one radio component is to be mounted on a surface layer of the multiple radio layers and at least one antenna element is to be patched on a surface layer of the at least one antenna layer. In such way, legacy connectors from the filter unit respectively to the antenna unit and the radio unit in conventional PCB can be left out to decrease the size of the PCB.

Multi-layer printed circuit board and a wireless communication node

The present disclosure provides a radio unit with internal parallel antenna calibration. The radio unit comprises an antenna calibrator, a plurality of transmission signal processing sections, a plurality of power amplifiers, a plurality of bandpass filters, a plurality of couplers, a plurality of reception signal processing sections and a first combiner. The antenna calibrator is configured to generate a plurality of individually identifiable reference signals used for transmission calibration. The transmission signal processing sections are configured to modulate the signals in parallel. The power amplifiers are configured to amplify the modulated signals to predetermined power levels in parallel. The bandpass filters are configured to apply bandpass filtering operations to the modulated signals in parallel. The couplers are configured to couple the filtered signals to a first combiner, which combines the filtered signals. One of the reception signal processing sections is configured to identify and demodulate each of the filtered signals constituting the combined signals. The antenna calibrator is further configured to compute transmission calibration vectors by comparing the demodulated signals with the reference signals.

Radio unit with internal parallel antenna calibration

The present invention relates to a method and device for performing automatic gain control. The method comprises predicting an AGC setting to be used based on statistical data with respect to a plurality of previously stored AGC settings. The method also comprises receiving an interference signal during an idle time period using the predicted AGC setting. The method further comprises detecting received power of the interference signal. The method additionally comprises adjusting the predicted AGC setting based on a result of the detecting. With the method and device of the present invention, an initial AGC setting with high accuracy and usability can be obtained and the glitch effect can be overcome.

Method and device for performing automatic gain control

The present invention relates to a radio device including a first mother unit for providing fundamental functions for the radio device, a first receiving unit for receiving signals and a first transmitting unit for transmitting signals. Each of the first mother unit, the first receiving unit and the first transmitting unit is a modularly designed unit such that it can be replaced with a corresponding second mother unit, second receiving unit or second transmitting unit. The radio device according to the present invention has the beneficial effect of facilitating scalability and being capable of reducing the maintenance costs.

Radio device and method for manufacturing the radio device

Growing community of inventors

Beijing, China

Xuejun Sun