Commscope Technologies LLC

Outdoor Wireless Networks LLC

Andrew Corporation

Commscope Italy S.r.l.

Peter John Bisiules

Martin Lee Zimmerman

Bo Wu

Yuemin Li

Xiangyang Ai

Mohammad Vatankhah Varnoosfaderani

Haifeng Li

Chengcheng Tang

Samantha Merta

Junfeng Yu

XiaoHua Hou

Sammit Patel

Yunzhe Li

Xiaohua Tian

Xiang Li

Hangsheng Wen

Jian Liu

Gangyi Deng

Yongjie Xu

Joy Huang

Bin Sun

Ching-Shun Yang

Shanguang Zhang

Ligang Wu

Jian Zhang

John Stewart Wilson

Dongmin Wang

Jonathon C Veihl

Ruixin Su

Amit Kaistha

Changfu Chen

Ozgur Isik

Troy Inslee Vanderhoof

Gang Yi Deng

Zhonghao Hu

Cheng Xue

Fan He

Calvin Dickerson

John Coult

Mostafa Shabani

Alireza Shooshtari

Joselito De La Cruz Gavilan

Michael Brobston

Xun Zhang

Giuseppe Resnati

PuLiang Tang

Qiang Wang

Nengbin Liu

Puliang Tang

ZhaoHui Liu

Maosheng Liu

Michael F Bonczyk

Long Shan

Kumara Swamy Kasani

Vadim Zlotnikov

Jinchun He

Huan Wang

HongHui Chen

Gregory Joseph Maley

Rui An

Pengfei Guo

YueMin Li

Xia Mei

Howard W Davis

Yutong Liu

Khanh Duy Tran

Xiaoan Fu

Haidan Tang

Huafeng Su

Lawrence S Racana

Charles A Bibblecom

David J Ulery

Alessandro Maurizio Delzanno

Mohammed Vatankhah Varnoosfaderani

Zhiqing Zheng

Xiangyang Al

Chin Shun-Yang

Xiaohua Hou

Mohammad Vatankah Varnoosfaderani

Zhaohiu Liu

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

Base station antennas include an externally accessible active antenna module releasably coupled to a rear of the housing. The base station antenna housing has a passive antenna assembly that cooperates with the active antenna module.

Base station antennas having an active antenna module(s) and related devices and methods

Base station antennas include an externally accessible active antenna module releasably coupled to a recessed segment that is over a chamber in the base station antenna and that is longitudinally and laterally extending along and across a rear of a base station antenna housing. The base station antenna housing has a passive antenna assembly that cooperates with the active antenna module.

Base station antennas having an active antenna module and related devices and methods

Base station antennas include at least one passive internal grid reflector with an array of low band radiating elements projecting forward of a front one of the at least one grid reflector. A mMIMO antenna array resides behind a back one of the at least one grid reflector and is configured to transmit signal through the grid reflector and out a front radome of the base station antenna.

Base station antennas having at least one grid reflector and related devices

Antennas include a reflector, a first radiating element that is configured to operate in a first operating frequency band, and a second radiating element that is configured to operate in a second operating frequency band that encompasses higher frequencies than the first operating frequency band. The first radiating element includes a first dipole radiator having a first dipole arm and a second dipole arm and a second dipole radiator having a third dipole arm and a fourth dipole arm. The first dipole arm includes a first widened conductive section and a first narrowed conductive section that at least substantially surrounds the first widened conductive section.

Base station antennas having broadband decoupling radiating elements including metamaterial resonator based dipole arms

A base station antenna includes a first antenna having first and second spaced-apart columns of first radiating elements therein, which are configured to operate within a first frequency band. An active antenna system (AAS) is provided, which is configured to operate within a second, typically higher, frequency band. The AAS includes a second antenna within a space between the first and second columns of first radiating elements. These first radiating elements may include tilted feed stalks which support higher integration by enabling the first radiating elements to overhang at least a portion of the second antenna.

Base station antenna with high performance active antenna system (AAS) integrated therein

A dual-polarized radiating element includes a first dipole radiator that has a first dipole arm that generally extends along a first axis and a second dipole arm that generally extends along a second axis that is different from the first axis, and a second dipole radiator that has a third dipole arm that generally extends along the first axis and a fourth dipole arm that generally extends along a third axis that is different from the first axis. At least one of the first through fourth dipole arms may be a cloaked dipole arm that include inductive elements that are configured to suppress currents in a higher frequency band.

Cloaked radiating elements having asymmetric dipole radiators and multiband base station antennas including such radiating elements

An antenna includes a reflector and a pair of feed stalks on a forward facing surface of the reflector. The pair of feed stalks includes: (i) a first feed stalk having first and second ports, and first and second spiral inductors electrically connected to the corresponding first and second ports, respectively, and (ii) a second feed stalk having first and second ports and first and second spiral inductors electrically connected to the corresponding first and second ports, respectively. First and second pairs of radiating arms are provided. The first pair of radiating arms are electrically connected to the first and second ports of the first feed stalk and the second pair of radiating arms are electrically connected to the first and second ports of the second feed stalk.

Dual-polarized radiating elements for base station antennas having feed stalks with spiral-shaped inductors therein

An antenna assembly includes a backplane and a polymer substrate mounted over the backplane to define an air gap there-between. The polymer substrate supports radiating elements comprising a polymer-based waveguide feed stalk and a polymer-based pair of radiating arms supported by and electrically coupled to the waveguide feed stalk. A conductive layer is formed on the polymer substrate such that the conductive layer faces the backplane. A phase shifter including a movable element such as a dielectric member or trombone member may be positioned in the air gap for adjusting the phase of a radiating element or a phase shifter assembly may be positioned to the back side of the back plane.

Phase shifter assembly for polymer-based dipole radiating elements

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

A sector-splitting base station antenna includes a plurality of RF ports, a plurality of columns of radiating elements, a first beamforming network that is coupled between a first subset of the RF ports and a first antenna array that comprises a first subset of the columns of radiating elements, and a second beamforming network that is coupled between a second subset of the RF ports and a second antenna array that comprises a second subset of the columns of radiating elements. The first beamforming network and the first antenna array are configured to generate a first plurality of antenna beams that provide coverage to a first side of a sector of a cell of a cellular communications system but not to a second side of the sector, and the second beamforming network and the second antenna array are configured to generate a second plurality of antenna beams that provide coverage to the second side of the sector but not to the first side of the sector.

Sector-splitting multi-beam base station antennas having multiple beamforming networks per polarization

An antenna includes a radiating element on a forward-facing surface of an underlying reflector, and a multi-element planar broadband lens in front of and within a radio frequency (RF) transmission path of the radiating element. The broadband lens includes first lens elements having first RF characteristics and second lens elements having second RF characteristics, which are different from the first RF characteristics. The first lens elements are arranged as a plurality of the first lens elements, which are encircled by an array of the second lens elements. Each of the first lens elements includes a first LC circuit, and each of the second LC circuits includes a second LC circuit with a smaller inductance relative to the first LC circuit.

Antenna systems having radiating elements therein that are paired with high performance broadband planar lenses

A base station antenna includes a first set of radiating elements that are configured to generate a first antenna beam that has a first peanut-shaped antenna pattern in an azimuth plane and a second set of radiating elements that are configured to generate a second antenna beam that has a second peanut-shaped antenna pattern in the azimuth plane. A longitudinal axis of the first peanut-shaped antenna pattern in the azimuth plane is rotated approximately ninety degrees from a longitudinal axis of the second peanut-shaped antenna pattern in the azimuth plane.

Small cell antennas suitable for MIMO operation

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LaGrange Park, IL, United States of America

Peter John Bisiules