公开(公告)号：US20190305399A1

公开(公告)日：2019-10-03

申请号：US16443909

申请日：2019-06-18

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

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

IPC: H01P5/18 ,  H01P3/12 ,  H04B3/54 ,  H01P3/10 ,  H04B3/52

Abstract: Aspects of the subject disclosure may include, a system having an absorber and a coupling device. The absorber includes absorbent material that absorbs radiation. The coupling device is positioned in and surrounded by the absorber. The coupling device facilitates transmitting or receiving of an electromagnetic wave along a transmission medium, where the electromagnetic wave propagates along the transmission medium without requiring an electrical return path. Other embodiments are disclosed.

公开(公告)号：US10432259B2

公开(公告)日：2019-10-01

申请号：US16053948

申请日：2018-08-03

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: H04B3/56 ,  H04B3/52 ,  H01P7/06 ,  H01P1/207 ,  G01R31/00 ,  H01Q1/46 ,  H02J13/00 ,  H01P5/103 ,  G01R29/08

Abstract: Aspects of the subject disclosure may include, for example, a coupling device including a receiving portion that receives a radio frequency signal conveying data from a transmitting device. A magnetic coupler magnetically couples the radio frequency signal to a transmission medium as a guided electromagnetic wave that is bound by an outer surface of the transmission medium. Other embodiments are disclosed.

公开(公告)号：US10431894B2

公开(公告)日：2019-10-01

申请号：US16244658

申请日：2019-01-10

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

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

IPC: H01Q13/10 ,  H01Q19/08 ,  H01Q1/46 ,  H01Q3/30 ,  H01Q9/04

Abstract: Aspects of the subject disclosure may include, for example, a system for receiving a first electromagnetic wave supplied by a dielectric antenna in a first position, where the first electromagnetic wave propagates along an outer surface of a feedline of the dielectric antenna, receiving a second electromagnetic wave supplied by the dielectric antenna in a second position, where the second electromagnetic wave propagates along the outer surface of the feedline of the dielectric antenna, measuring a ratio of a first signal strength of the first electromagnetic wave and a second signal strength of the second electromagnetic wave, detecting that the ratio is below a threshold, and adjusting an operational characteristic of a system to increase the ratio. Other embodiments are disclosed.

公开(公告)号：US20190297554A1

公开(公告)日：2019-09-26

申请号：US15937185

申请日：2018-03-27

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

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

IPC: H04W40/02

Abstract: Aspects of the subject disclosure may include, a system for receiving second signals from a switch responsive to the switch receiving first signals a first waveguide system, wherein the first waveguide system facilitates generating the first signals responsive to receiving first electromagnetic waves that propagate along a transmission medium. The system further facilitates selecting a communication device according to the second signals, and transmitting a first wireless signal directed to the communication device, wherein the first wireless signal conveys first data supplied by the second signals. Other embodiments are disclosed.

公开(公告)号：US20190296853A1

公开(公告)日：2019-09-26

申请号：US16438534

申请日：2019-06-12

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

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

IPC: H04L1/00 ,  H02J13/00 ,  G01R31/08 ,  G01R31/02 ,  H04W72/04 ,  H04B3/52 ,  H04B3/54

Abstract: Aspects of the subject disclosure may include, for example, a waveguide system for detecting a condition that adversely affects a propagation of electromagnetic waves generated by the waveguide system on a surface of the transmission medium, and adjusting characteristics of the electromagnetic waves generated by the waveguide system to reduce adverse effects caused by the condition. Other embodiments are disclosed.

公开(公告)号：US20190288768A1

公开(公告)日：2019-09-19

申请号：US16433284

申请日：2019-06-06

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

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

IPC: H04B7/14 ,  H04B1/40 ,  H04B1/00 ,  H04B3/36 ,  H04B3/52

Abstract: Aspects of the subject disclosure may include, for example, a method that includes extracting first channel signals from first guided electromagnetic waves bound to an outer surface of a transmission medium of a guided wave communication system; amplifying the first channel signals to generate amplified first channel signals in accordance with a phase correction; selecting one or more of the amplified first channel signals to wirelessly transmit to at least one client device via an antenna; and guiding the amplified first channel signals to the transmission medium of the guided wave communication system to propagate as second guided electromagnetic waves, wherein the phase correction aligns a phase of the second guided electromagnetic waves to add in-phase with a residual portion of the first guided electromagnetic waves that continues propagation along the transmission medium.

公开(公告)号：US20190288363A1

公开(公告)日：2019-09-19

申请号：US16432988

申请日：2019-06-06

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

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

IPC: H01P3/10 ,  H01P3/12 ,  H01P3/16 ,  H04B3/52 ,  H01P5/12 ,  H01P5/02 ,  H01P5/00

Abstract: In accordance with one or more embodiments, a coupling system includes a plurality of dielectric couplers configured to generate, responsive to first electromagnetic waves received via a hollow waveguide, second electromagnetic waves along a surface of a transmission medium, wherein the plurality of dielectric couplers each have an end at differing azimuthal orientations relative to the transmission medium and wherein the second electromagnetic waves propagate along the surface of the transmission medium without requiring an electrical return path. A controller is configured to control a generation of the first electromagnetic waves in accordance with a first set of phases, wherein the second electromagnetic waves generated by the plurality of dielectric couplers combine on the surface of the transmission medium to propagate via a first selected wave mode.

公开(公告)号：US20190280738A1

公开(公告)日：2019-09-12

申请号：US16426352

申请日：2019-05-30

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: H04B5/00 ,  H04B7/04 ,  H04L27/00 ,  H04L12/28 ,  H04B3/54 ,  H04B3/56 ,  H04B3/52

Abstract: Aspects of the subject disclosure may include, for example, a network termination includes a downstream channel modulator modulates downstream data into downstream channel signals to convey the downstream data via a guided electromagnetic wave that is bound to a transmission medium of a guided wave communication system. A host interface sends the downstream channel signals to the guided wave communication system and receives upstream channel signals corresponding to upstream frequency channels from the guided wave communication system. An upstream channel demodulator demodulates upstream channel signals into upstream data. Other embodiments are disclosed.

公开(公告)号：US10411788B2

公开(公告)日：2019-09-10

申请号：US16125154

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: H04B7/155 ,  H04L5/14 ,  H04B1/38 ,  H04B1/40 ,  H04B7/022 ,  H04L5/00

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：US10411787B2

公开(公告)日：2019-09-10

申请号：US16034011

申请日：2018-07-12

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: H04B7/155 ,  H04L5/14 ,  H04B7/04 ,  H01P3/10 ,  H04B3/54 ,  H04B3/52 ,  H04W84/04 ,  H04W88/10

Abstract: Aspects of the subject disclosure may include, for example, a host node device having a terminal interface that receives downstream channel signals from a communication network and sends upstream channel signals to the communication network. An access point repeater launches the downstream channel signals as guided electromagnetic waves on a guided wave communication system and to extract a first subset of the upstream channel signals from the guided wave communication system. A radio wirelessly transmits the downstream channel signals to at least one client node device and to wirelessly receive a second subset of the upstream channel signals from the at least one client node device. Other embodiments are disclosed.