Huawei Technologies Co., Limited

Pinghua He

Tao Pu

Jianjun Chen

Mengda Mao

Weihua Sun

Xueru Liu

Dezheng Liu

Zuojun Qin

Ming Zhao

Weihong Xiao

Yi Cheng Zhang

Jianfeng Wu

Yi Zhang

Zhuobiao He

Ming Xu

Ming Ai

Yuntao Zhu

Wenxin Yuan

Ming Al

Zuwu Zhu

Yuanrong Zhu

Zhubiao He

Jiangyi Guo

Xinlu Li

Dewen Sun

Zhaolu Wei

Gang Ju

Yan Chang

An antenna device includes: an antenna array configured to radiate or receive an electromagnetic wave signal; a feed network configured to connect the antenna array and a signal multiplexer; at least one signal multiplexer configured to divide one path of a signal from the feed network into at least two paths of a signal, or combine at least two paths of a signal to one path of a signal and transmit the one path of a signal to the feed network; and at least two interface modules connected to an active module and configured to receive a signal sent from the passive module or the active module, or send a signal to the active module. The antenna device can be used for sharing the antenna array and other parts in the active antenna systems.

Antenna device and system having active modules

Embodiments of the present invention provide an antenna apparatus, a base station and a communications system. The antenna apparatus includes: an antenna part, including a common radome; an active part, connected to the antenna part and including at least one active module, where each active module includes at least one antenna element, and an element reflector and a phase shifter and a radio frequency module that are corresponding to each antenna element, where the element reflector of the at least one active module is configured to implement an antenna function; and a common part, connected to the active part and the antenna part, and shared by the at least one active module in the active part, where the common part includes at least one common module. By using the above antenna apparatus, each radio frequency module can be flexibly configured, so as to simplify onsite replacement and maintenance operations.

Antenna apparatus, base station and communications system

Embodiments of the present application disclose an antenna device and system. The antenna device includes: an antenna array, configured to radiate or receive an electromagnetic wave signal; a feed network, configured to connect the antenna array and a signal multiplexer; at least one signal multiplexer, configured to divide one path of signal from the feed network into at least two paths of signal, or combine at least two paths of signal to one path of signal and transmit the one path of signal to the feed network; and at least two interface modules connected to a passive module or an active module, is configured to receive a signal sent from the passive module or the active module, or send a signal to the passive module or the active module. The present application can be used for sharing the antenna array and other parts in the active and passive antenna systems.

Antenna device and system having active and passive modules

Embodiments of the present invention relate to the field of wireless communication technologies, and provide a transceiving module, an antenna, a base station and a signal receiving method, which are capable of implementing receiving of four dual-band signals and improving uplink network performance of a base station. The transceiving module includes a combining-splitting network, a set of transceiving unit arrays and a signal processing unit that are connected to each other in sequence, and further includes a combining network setting with a connection point connected to another transceiving module, a co-element filter unit separately connected to the combining-splitting network and the combining network, and a pair of receiving units connected to the signal processing unit, where the pair of receiving units in the transceiving module is disposed with a connection point connected to the another transceiving module. The embodiments of the present invention apply to the field of communication.

Transceiving module, antenna, base station and signal receiving method

Embodiments of the present invention relate to the field of communications technologies, and provide a base station antenna and a base station antenna feed network. The base station antenna includes a transceiver array, a first-level vector synthesis network, a second-level phase shifter array, a second-level vector synthesis network, and an antenna unit array. By using the second-level vector synthesis network, the base station antenna makes phase differences between multiple vector signals sent to antenna units smoother, thereby extending an adjustable range of a downtilt on the premise that the number of transceivers is as small as possible.

Base station antenna and base station antenna feed network

An antenna device is provided, which includes a first antenna unit and a second antenna unit. The first antenna unit includes a first radiation module, a power divider/combiner network connected to the first radiation module, and a feeder interface connected to the power divider/combiner network. The feeder interface is configured to connect to a radio remote unit (RRU) or a base station. The second antenna unit includes a second radiation module, a transceiver array connected to the second radiation module, a baseband processing unit (BPU) connected to the transceiver array, and an interface connected to the BPU. The interface of the second antenna unit is configured to connect to a baseband unit (BBU). Therefore, after the existing passive antenna is replaced by the provided antenna device, the RRU or base station in the original network can still be used, which reduces waste of resources.

Antenna device

An antenna system with a beam with an adjustable tilt, including: a transceiver (TRX) array module, an antenna element array module, a feeding network module and a Butler matrix module, is provided. The TRX array module includes multiple active TRX submodules and is configured to generate transmission signals that have undergone digital beam forming. The antenna element array module includes multiple antenna elements and is configured to transmit the transmission signals. The feeding network module is configured to form a vertical beam characteristic of the antenna element array module before the antenna element array module transmits the transmission signals. The Butler matrix module is configured to form a horizontal beam characteristic of the antenna element array module before the antenna element array module transmits the transmission signals. The antenna system reduces the feeder loss, reduces the labor and equipment costs, and enables the vertical and horizontal beam characteristics of the antenna to be adjusted more conveniently.

Antenna system with a beam with an adjustable tilt

A failure compensation method includes detecting a Digital Beam-forming (DBF) coefficient of each of multiple transceiver channels in real time. When a failure of any one of the transceiver channels is detected, a current group of DBF coefficients of the multiple transceiver channels at a current failure status and corresponding failure mode information are obtained. Optimization processing is performed on the current group of DBF coefficients through a preset optimization algorithm so as to calculate a first group of DBF coefficients which is more adaptive to the failure mode information than the current group of DBF coefficients. The DBF coefficients of the transceiver channels are updated according to the first group of DBF coefficients.

Failure compensation method and apparatus for an active antenna, and active antenna device

An antenna system is disclosed. In the antenna system, a first antenna element array includes multiple antenna elements, where the antenna elements are configured to receive and transmit signals in two different polarization directions; the first combiner-splitter is configured to combine signals, received by the multiple antenna elements; the active module is configured to receive combined signals in the two different polarization directions, and perform frequency translation on the combined signals to obtain baseband signals; at least one pair of receiving channels in the antenna system corresponds to a second antenna apparatus, and are configured to receive signals output by the second antenna apparatus in the two different polarization directions; and the active module is further configured to perform frequency translation on the signals received by the at least one pair of receiving channels to obtain baseband signals. In this way, the network performance gain is improved.

Antenna system and base station system

An active antenna, a base station, a method for refreshing the amplitude and phase, and a signal processing method are disclosed to simplify the structure of a phase shifter and guarantee the reliability of the phase shifter. The active antenna or the base station includes an antenna dipole array, a transceiver array, a digital processing unit (DPU), and a transceiving calibration unit. During signal reception, the transceiver demodulates a radio frequency (RF) signal of the antenna dipole into an IQ analog signal, and outputs the IQ analog signal to the DPU; the DPU converts the demodulated IQ analog signal into an IQ digital signal, and performs digital beam forming (DBF) on the IQ digital signal according to the transceiving calibration unit; during signal transmission, the transceiver modulates the IQ analog signal of the DPU into an RF signal, and outputs the RF signal to the antenna dipole; the DPU converts a signal of a base band unit (BBU) into an IQ digital signal in serial/parallel (S/P) mode, and performs DBF on the IQ digital signal according to the transceiving calibration unit.

Active antenna, base station, method for refreshing amplitudes and phases, and method for processing signals

A power amplifier and a signal transmitting system using the power amplifier are disclosed. The power amplifier includes a circuit board, a power amplifier, and a structural component. The circuit board is fixed on the structural component. The power amplifier is fixed on the circuit board or the structural component. A grounding reference layer is set on the structural component. A pair of pins is set on the power amplifier. A pair of housing portions is set between the circuit board and the structural component. Overhead matching areas are set face to face with the housing portions on the circuit board respectively. Power amplification matching portions are set face to face with the reference layer on the matching areas respectively. The pins are electrically connected to the power amplification matching portions respectively.

Power amplifier and signal transceiving system

An antenna device is provided, which includes a first antenna unit and a second antenna unit. The first antenna unit includes a first radiation module, a power divider/combiner network connected to the first radiation module, and a feeder interface connected to the power divider/combiner network. The feeder interface is connected to a radio remote unit (RRU) or a macro base station through a feeder. The second antenna unit includes a second radiation module, a transceiver array connected to the second radiation module, a baseband processing unit (BPU) connected to the transceiver array, and an optical fiber interface connected to the BPU. The optical fiber interface is connected to a baseband unit (BBU) through an optical fiber. Therefore, after the existing passive antenna is replaced by the provided antenna device, the RRU or macro base station in the original network can still be used, which reduces waste of resources.

A directional coupler and a receiving or transmitting device. The directional coupler includes: a primary signal line composed of a metal rod; and a coupled signal line composed of a microstrip line in a curved shape on a printed circuit board; wherein the medium between the metal rod and the microstrip line is air. Compared with existing directional coupler, the directional coupler of the embodiments of the disclosure has a lower transmitting loss, a large power capacity, and a high directional qualification. The directional coupler is capable of ensuring a higher passive intermodulation qualification. The advantages of the embodiments of the present disclosure are easier assembly, good uniformity of the qualifications, and adaptability for various application environments. The directional coupler of the disclosure ensures different parameter qualifications, and is simple to assemble, so that the low cost is achieved.

Directional coupler and a receiving or transmitting device

Systems and methods for hot standby of radio frequency (RF) power amplifier are disclosed, an auxiliary RF power amplifier is added and SPDT microwave switches are adopted at the input and output sides of primary RF power amplifiers to control whether to make the auxiliary RF power amplifier function. When a primary RF power amplifier fails, the auxiliary power amplifier can immediately take over the functions of the failed primary RF power amplifier without cutting off the power or stopping the operation of the whole system. SPDT microwave switches with multiple transmission lines and switch devices connected based on certain topologies are disclosed. The SPDT microwave switches have the functions of signal switching and power dividing and combining, simple circuit topology, excellent impedance matching characteristics or no reflected signals at ports, therefore the switches are highly practical and can be adopted in RF power amplifier hot standby systems.

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Shenzhen, China

Pinghua He