公开(公告)号：US10341142B2

公开(公告)日：2019-07-02

申请号：US15293819

申请日：2016-10-14

Applicant: AT&T INTELLECTUAL PROPERTY I, L.P.

Inventor： Paul Shala Henry ,  Thomas M. Willis, III ,  Robert Bennett ,  Farhad Barzegar ,  Irwin Gerszberg ,  Donald J. Barnickel

IPC: H04L12/64 ,  H04B15/00

Abstract: Aspects of the subject disclosure may include, receiving a plurality of communication signals, and generating, according to the plurality of communication signals, a plurality of electromagnetic waves bound at least in part to a dielectric layer environmentally formed on a conductor. The plurality of electromagnetic waves propagates along the dielectric layer of the conductor without an electrical return path, where each electromagnetic wave of the plurality of electromagnetic waves includes a different portions of the plurality of communication signals, and where the plurality of electromagnetic waves utilizes a signal multiplexing configuration that at least reduces an interference between the plurality of electromagnetic waves. Other embodiments are disclosed.

公开(公告)号：US10341008B2

公开(公告)日：2019-07-02

申请号：US16124748

申请日：2018-09-07

Applicant: AT&T Intellectual Property I, L.P.

Inventor： Robert Bennett ,  Paul Shala Henry ,  Irwin Gerszberg ,  Farhad Barzegar ,  Donald J Barnickel ,  Thomas M. Willis, III

IPC: H04B3/52 ,  H04B3/36 ,  H04B7/155 ,  H04L5/14 ,  H04W88/08 ,  H04B1/00 ,  H04B7/04 ,  H04B3/54 ,  H04B3/56 ,  H04B3/38 ,  H04W84/12

Abstract: Aspects of the subject disclosure may include, for example, a repeater device having a first coupler to extract downstream channel signals from first guided electromagnetic waves bound to a transmission medium of a guided wave communication system. An amplifier amplifies the downstream channel signals to generate amplified downstream channel signals. A channel selection filter selects one or more of the amplified downstream channel signals to wirelessly transmit to the at least one client device via an antenna. A second coupler guides the amplified downstream channel signals to the transmission medium of the guided wave communication system to propagate as second guided electromagnetic waves. Other embodiments are disclosed.

公开(公告)号：US10340982B2

公开(公告)日：2019-07-02

申请号：US15860758

申请日：2018-01-03

Applicant: AT&T Intellectual Property I, L.P.

Inventor： Paul Shala Henry ,  Donald J. Barnickel ,  Robert Bennett ,  Irwin Gerszberg ,  Farhad Barzegar ,  Thomas M. Willis, III

IPC: H04B10/00 ,  H04B3/56 ,  H04B7/0413 ,  H04B10/2575 ,  H01P3/10 ,  H02J13/00 ,  H04B3/54 ,  H04B3/52 ,  H01P3/02 ,  H01P3/06 ,  H01P5/08 ,  G01R31/02 ,  G01R31/08 ,  H01P5/02 ,  H04Q9/00

Abstract: Aspects of the subject disclosure may include, for example, a system for determining a usage pattern, and sending instructions to a plurality of waveguide systems to transmit or receive electromagnetic waves along a surface of each of a plurality of wires according to the usage pattern. Other embodiments are disclosed.

公开(公告)号：US20190198962A1

公开(公告)日：2019-06-27

申请号：US16287046

申请日：2019-02-27

Applicant: AT&T Intellectual Property I, L.P.

Inventor： Paul Shala Henry ,  Donald J. Barnickel ,  Farhad Barzegar ,  Robert Bennett ,  Irwin Gerszberg ,  Thomas M. Willis, III

IPC: H01P5/08 ,  H01P5/18 ,  H01P3/12 ,  H01P1/22

CPC classification number: H01P5/08 ,  H01P1/22 ,  H01P3/12 ,  H01P5/18 ,  H01P5/188

Abstract: Aspects of the subject disclosure may include, for example, a coupling module that includes a waveguide that guides a first electromagnetic wave conveying data from a transmitting device. A dielectric coupler receives the first electromagnetic wave from the waveguide to form a second electromagnetic wave, and that guides the second electromagnetic wave along the dielectric coupler adjacent to a transmission medium, and wherein the dielectric coupler has a length that supports a cancellation of at least one cancelled wave mode from a coupling of the second electromagnetic wave to the transmission medium.

公开(公告)号：US10312952B2

公开(公告)日：2019-06-04

申请号：US15973729

申请日：2018-05-08

Applicant: AT&T Intellectual Property I, L.P.

Inventor： Thomas M. Willis, III ,  Giovanni Vannucci ,  Paul Shala Henry

IPC: H04B1/04 ,  H04B3/06 ,  H04W24/02 ,  H04B3/46 ,  H04B3/52

Abstract: In accordance with one or more embodiments, a transmission device includes a receiver configured to receive an interfering signal via an antenna. A transmitter is configured to generate first electromagnetic signals conveying first data. A coupler is configured to generate first guided electromagnetic waves in response to combined electromagnetic signals, wherein the first guided electromagnetic waves propagate, without requiring an electrical return path, along a surface of a transmission medium of a distributed antenna system. A cancellation circuit is configured to generate the combined electromagnetic signals, based on the interfering signal and the first electromagnetic signals, wherein the combined electromagnetic signals mitigate interference by the interfering signal with the first guided electromagnetic waves.

公开(公告)号：US20190157732A1

公开(公告)日：2019-05-23

申请号：US16254238

申请日：2019-01-22

Applicant: AT&T Intellectual Property I, L.P.

Inventor： Paul Shala Henry ,  Robert Bennett ,  Farhad Barzegar ,  Irwin Gerszberg ,  Donald J. Barnickel ,  Thomas M. Willis, III

IPC: H01P1/22 ,  H04B3/52 ,  H04B3/56

CPC classification number: H01P1/222 ,  G01R27/32 ,  H04B3/52 ,  H04B3/56

Abstract: Aspects of the subject disclosure may include, for example, a system that performs operations including detecting a signal degradation of guided electromagnetic waves bound to a transmission medium without utilizing an electrical return path, the guided electromagnetic waves having a non-optical frequency range, and adjusting an alignment of at least a portion of fields of the guided electromagnetic waves to mitigate the signal degradation. Other embodiments are disclosed.

公开(公告)号：US20190140938A1

公开(公告)日：2019-05-09

申请号：US16240138

申请日：2019-01-04

Applicant: AT&T Intellectual Property I, L.P.

Inventor： Farhad Barzegar ,  Paul Shala Henry ,  Robert Bennett ,  Irwin Gerszberg ,  Thomas M. Willis, III ,  Donald J. Barnickel ,  Shikik Johnson

IPC: H04L12/707 ,  H04B3/58 ,  H04B3/54 ,  H04B3/00 ,  H04B3/36 ,  H01Q1/22 ,  H01Q21/00 ,  H01Q13/24 ,  H01Q3/30 ,  H01Q21/06

CPC classification number: H04L45/24 ,  H01Q1/2291 ,  H01Q3/30 ,  H01Q13/24 ,  H01Q21/00 ,  H01Q21/06 ,  H04B3/00 ,  H04B3/36 ,  H04B3/54 ,  H04B3/58 ,  H04B7/0617 ,  H04L12/6418

Abstract: Aspects of the subject disclosure may include, a system that can transmit first wireless signals associated with communication signals, where the first wireless signals are directed via beam steering by an antenna array towards a wireless receiver. The system can transmit second wireless signals associated with the communication signals, where the second wireless signals are directed via the beam steering by the antenna array towards a transmission medium. The second wireless signals can induce electromagnetic waves at a physical interface of the transmission medium where the electromagnetic waves are associated with the communication signals. Other embodiments are disclosed.

公开(公告)号：US20190131718A1

公开(公告)日：2019-05-02

申请号：US15794389

申请日：2017-10-26

Applicant: AT&T Intellectual Property I, L.P.

Inventor： Giovanni Vannucci ,  Paul Shala Henry ,  Thomas M. Willis, III

IPC: H01Q21/06 ,  H01Q1/38 ,  H01Q1/24 ,  H01P3/16

Abstract: Aspects of the subject disclosure may include a planar antenna configured to transmit first signals as a first guided electromagnetic wave that is bound to a surface of a transmission medium, wherein the first guided electromagnetic wave propagates along the surface of the transmission medium without requiring an electrical return path, wherein the planar antenna includes an array of patch antennas that generates first near field signals in response to the first signals, and wherein a portion of the first near field signals combines to induce the first guided electromagnetic wave that is bound to the surface of the transmission medium.

公开(公告)号：US20190123442A1

公开(公告)日：2019-04-25

申请号：US15788410

申请日：2017-10-19

Applicant: AT&T Intellectual Property I, L.P.

Inventor： Giovanni Vannucci ,  Paul Shala Henry ,  Thomas M. Willis, III

IPC: H01Q3/40

CPC classification number: H01Q3/40

Abstract: In accordance with one or more embodiments, a communication device includes a dual-band antenna array configured to transmit first radio frequency (RF) signals to a remote device in an RF band and to transmit first millimeter wave (MMW) signals to the remote device in a MMW frequency band, wherein the MMW frequency band is above the RF band. A base transceiver station is configured to generate a consolidated steering matrix in accordance with the transmission of the first RF signals to the remote device in the RF band. A remote radio head is configured to convert the consolidated steering matrix to a converted steering matrix that facilitates the transmission of the first MMW signals to the remote device in the MMW frequency band, and further configured to generate the first MMW signals in accordance with the converted steering matrix.

公开(公告)号：US10230148B2

公开(公告)日：2019-03-12

申请号：US15860123

申请日：2018-01-02

Applicant: AT&T Intellectual Property I, L.P.

Inventor： Paul Shala Henry ,  Robert Bennett ,  Farhad Barzegar ,  Irwin Gerszberg ,  Donald J. Barnickel ,  Thomas M. Willis, III

IPC: H01P3/06 ,  H01P5/08 ,  H04B3/52 ,  H04B3/54 ,  H01P3/127

Abstract: Aspects of the subject disclosure may include, for example, a system that performs operations including receiving first electromagnetic waves on an outer surface of a transmission medium, detecting a degradation of a signal quality of the first electromagnetic waves due to first electric fields of the first electromagnetic waves inducing first currents in an obstruction disposed on the outer surface of the transmission medium, and generating second electromagnetic waves having second electric fields that induce second currents in the obstruction that are lower in magnitude than the first currents, the electromagnetic waves having a cutoff frequency. Other embodiments are disclosed.