Outdoor Wireless Networks LLC

Commscope Technologies LLC

Realtek Semiconductor Inc.

Soochow University

Bin Sun

Yuemin Li

Bo Wu

Peter John Bisiules

Jian Zhang

Cheng Xue

Ligang Wu

HongHui Chen

Martin Lee Zimmerman

Samantha Merta

Haifeng Li

Mohammad Vatankhah Varnoosfaderani

Long Shan

Qing Li

Min Jiang

YueMin Li

Khanh Duy Tran

Xia Mei

Qing-Zhe Qiu

Su-Hang Chen

Zhan-Peng Wang

Mohammed Vatankhah Varnoosfaderani

Chuande Zheng

Ao Wang

Zongyi Li

Tianyu Miao

Taichao Li

An antenna comprises first and second radiating elements that are configured to operate in respective first and second operating frequency bands, and a parasitic element that includes a overlapping first and second conductive paths. The first conductive path includes a plurality of first segments and the second conductive path includes a plurality of second segments. A subset of the first segments overlap respective ones of the second segments to form a plurality of pairs of overlapping first and second segments and at least some of these pairs are configured so that an instantaneous direction of a first current formed on the first segment in response RF radiation emitted by the second radiating element will be opposite an instantaneous direction of a second current formed on the second segment in response to the RF radiation emitted by the second radiating element.

Broadband decoupling radiating elements and base station antennas having such radiating elements

A base station antenna includes a first radio frequency ('RF') port; a second RF port; a first array of radiating elements that includes a first radiating element, the first radiating element including first and second radiators each having the first polarization direction, wherein the first radiator is coupled to the first RF port; a second array of radiating elements that includes a second radiating element, the second radiating element including a third radiator having the first polarization direction; and a first power divider having a first input that is coupled to the second RF port, and first and second outputs that are respectively coupled to the second and third radiators.

Base station antenna

A fence structure for an antenna array having a plurality of radiating elements comprises: a first fence structure comprising a plurality of rows of first transverse fences extending in a first direction and a plurality of columns of first longitudinal fences extending in a second direction perpendicular to the first direction, where the first transverse fences and the first longitudinal fences collectively surround individual radiating elements in a box arrangement; and a second fence structure comprising a plurality of second fences, each second fence being arranged between respective two adjacent first longitudinal fences in a respective column of first longitudinal fences and electrically coupled with first transverse fences located at two sides of the second fence, a height of each second fence is larger than heights of the first transverse fence and the first longitudinal fence.

Fence structure and base station antenna comprising the same

A box dipole radiating element uses a compact quad arrangement of substantially coplanar radiating arms to support slant-polarized radiation, in response to differential-mode currents generated along four sides thereof and in response to common-mode currents, which may be generated in substantially the same plane as the differential-mode currents. A feed signal routing network is provided, which includes a feed signal routing substrate on portions of the radiating arms, first through fourth signal traces on a forward face of the substrate, and first through fourth ground plane segments on a rear face of the substrate. These first through fourth ground plane segments are capacitively coupled to the radiating arms. Each of the signal traces receives a corresponding feed signal, and spans a corresponding air gap between a pair of the radiating arms.

Base station antennas having compact dual-polarized box dipole radiating elements therein that support high band cloaking

The invention provides an undetermined terminal-based accelerated joint quantum remote state preparation method, including: determining chain channels between at least two sending terminals and a receiving terminal edge node, and determining GHZ channels between the receiving terminal edge node and a plurality of candidate receiving terminals; jointly preparing, by the at least two sending terminals together, to-be-transferred information for the receiving terminal edge node; and sending, by the receiving terminal edge node, the to-be-transferred information to the plurality of candidate receiving terminals, after a target receiving terminal is determined, performing, by the other candidate receiving terminals, a measurement operation, and performing, by the target receiving terminal, corresponding unitary transformation to recover the to-be-transferred information. Information transfer efficiency and information security are greatly improved, thereby resolving a current problem that a terminal lacks a scheme of remotely preparing a quantum state in a case that a receiving terminal is indefinite.

Undetermined terminal-based accelerated joint quantum remote state preparation method

The present disclosure relates to an antenna assembly, which comprises: a feeder panel; an array of radiating elements mounted on the feeder panel; an array of parasitic elements mounted on the feeder panel, in which, at least a portion of the radiating elements in the array of radiating elements are surrounded by a plurality of spaced-apart parasitic elements, respectively, and at least a portion of the parasitic elements in the array of parasitic elements each comprise a first parasitic subcomponent extending in a first direction and a second parasitic subcomponent extending in a second direction perpendicular to the first direction. In addition, the present disclosure also relates to a base station antenna comprising the antenna assembly. This is capable of effectively improving the cross-polarization performance of the base station antenna and improving the radiation boundary of the base station antenna.

Antenna assembly and base station antenna

A radiating element includes a feed stalk and first through fourth dipole arms. An outer segment of the first dipole arm and an outer segment of the second dipole arm are configured to together form a first radiating structure that radiates at a first polarization, an outer segment of the third dipole arm and an outer segment of the fourth dipole arm are configured to together form a second radiating structure that radiates at the first polarization, and first and second inner portions of each of the first through fourth dipole arms are configured to together form a third radiating structure that radiates at the first polarization when a first RF signal is fed to the radiating element.

Base station antennas having high directivity radiating elements with balanced feed networks

Radiating elements for a base station antennas include a first dipole radiator that extends along a first axis, the first dipole radiator including a first dipole arm and a second dipole arm. At least one of the first and second dipole arms includes first and second spaced-apart conductive segments that are connected to each other via both a first inductor and a second inductor that are electrically in parallel with one another.

Multiband base station antennas having wideband cloaked radiating elements and/or side-by-side arrays that each contain at least two different types of radiating elements

Antennas include first and second radiating elements that are configured to operate in respective operating frequency bands. The first radiating element includes a first dipole arm that has a first conductive path and a second conductive path that is positioned behind the first conductive path. The first conductive path includes a plurality of first segments and the second conductive path includes a plurality of second segments, where a subset of the first segments overlap respective ones of second segments to form a plurality of pairs of overlapping first and second segments. At least some of the pairs of overlapping segments are configured so that the instantaneous direction of a first current formed on the first segment in response to RF radiation emitted by the second radiating element will be substantially opposite the instantaneous direction of a second current formed on the second segment in response to the RF radiation.

A power supply management device includes an internal power supply circuit, switches, a comparator circuit, and a control circuit. The internal power supply circuit is configured to output a first supply voltage to a node. The switches are coupled between the node and a plurality of first circuits. The comparator circuit is configured to compare a voltage on the node with a reference voltage when the node does not receive the first supply voltage to generate a flag signal. The control circuit is configured to determine whether the node receives a second supply voltage from an external power supply circuit according to the flag signal. If the node receives the second supply voltage, the control circuit is further configured to turn off the internal power supply circuit and gradually turn on the switches, in order to provide the second supply voltage to the first circuits via the switches.

Power supply management device and power supply management method

A radiator assembly for a base station antenna has a longitudinal central axis and two dipoles cross-arranged around the longitudinal central axis. Each dipole has two dipole arms and each dipole arm is equipped with a hook-like feeder made of a metal sheet and having a free end portion. The hook-like feeder is capacitively coupled with an associated dipole arm. The radiator assembly is compact and is easy to manufacture and assemble.

Radiator assembly

Antenna arrays include a first plurality of radiating elements in a first column thereof, which are responsive to a first plurality of RF feed signals derived from a first radio, and a second plurality of radiating elements in a second column thereof, which are responsive to a second plurality of RF feed signals derived from a second radio. A power divider circuit is provided, which is configured to drive a first one of the radiating elements at a first end of the second column of radiating elements with a majority of the energy associated with a first one of the first plurality of RF feed signals, and drive a first one of the radiating elements at a first end of the first column of radiating elements with a non-zero minority of the energy associated with the first one of the first plurality of RF feed signals.

Growing community of inventors

Suzhou, China

Bin Sun