[go: up one dir, main page]

WO2010050892A1 - Antenne à diversité accordable compacte - Google Patents

Antenne à diversité accordable compacte Download PDF

Info

Publication number
WO2010050892A1
WO2010050892A1 PCT/SG2008/000414 SG2008000414W WO2010050892A1 WO 2010050892 A1 WO2010050892 A1 WO 2010050892A1 SG 2008000414 W SG2008000414 W SG 2008000414W WO 2010050892 A1 WO2010050892 A1 WO 2010050892A1
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
core
antenna
phase shift
substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/SG2008/000414
Other languages
English (en)
Inventor
Ngai Meng Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanyang Polytechnic
Original Assignee
Nanyang Polytechnic
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanyang Polytechnic filed Critical Nanyang Polytechnic
Priority to PCT/SG2008/000414 priority Critical patent/WO2010050892A1/fr
Publication of WO2010050892A1 publication Critical patent/WO2010050892A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/22—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation in accordance with variation of frequency of radiated wave
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/44—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element

Definitions

  • the present invention relates to compact yet tunable co-linear antennas.
  • the invention relates to tunable antennas that are arranged both vertically and spatially as mobile diversity antenna.
  • a diversity antenna requires additional hardware and integration. Due to the commonality of the signal paths, a fair amount of circuitry can be shared. Also with multiple signals there is a greater processing demand placed on the receiver, which can lead to tighter design requirements. Usually, signal reliability is paramount and using a diversity antenna is an effective way to decrease the number of dropped and lost connections in a wireless link. [0004] Despite development in diversity antenna, there exists a need for a spatial diversity antenna that is tunable yet compact.
  • the present invention provides an elongate and cylindrically tunable antenna.
  • the antenna is tunable manually and/or by a motor.
  • Two or more antennas are arranged to form a spatial diversity antenna for improving quality and reliability of a link in wireless communication.
  • An advantage of the antenna is that it is slender and compact.
  • Another advantage is that the phase shift core is integrated and can be rotatable by a gear-motor unit.
  • the tunable cylindrical antenna comprises: an elongate substrate core; a bandwidth adjustment sleeve disposed concentrically with the substrate core; and an elongate phase shift core disposed co- axially below the substrate core; wherein a predetermined number of antenna patches are formed on a cylindrical surface of the substrate core and an equal number of parasitic antenna patches are formed on a cylindrical surface of the bandwidth adjustment sleeve such that the bandwidth adjustment sleeve and the substrate core are operable to be rotationally displaced so that the antenna characteristic is varied azimuthally during tuning.
  • the substrate core comprises a core or sleeve and a support sleeve
  • said core or sleeve is made up of strips of two materials with different dielectric constants, with the strips being arranged in an alternate manner to form a cylindrical core or sleeve and the antenna patches are formed on the support sleeve.
  • the substrate core further comprises an outer sleeve disposed concentric with the support sleeve, said outer sleeve comprises strips of two materials with different dielectric constants, with the strips being arranged in an alternate manner.
  • the substrate core/sleeve and outer sleeve may be rotatable in unison.
  • the phase shift core comprises a meandering line associated with each patch antenna.
  • the phase shift core comprises a core or sleeve and a meandering line support sleeve disposed concentric with the core or sleeve, said core or sleeve is made up of alternate strips of two dielectric materials and the meandering lines are formed on the meandering line support sleeve, such that the core/sleeve and meandering line support sleeve are operable to be rotationally displaced so that the phase shift of the signal from the antenna is varied during tuning.
  • the substrate outer sleeve or phase shift outer sleeve may be rotatably displaced by a gear-motor in relation to the relevant substrate core/sleeve or phase shift core/sleeve.
  • the tunable antenna comprises a series of antennas.
  • two or more of the tunable antenna is arranged as a spatial diversity antenna
  • FIG. 1 illustrates component structures of a tunable antenna according to an embodiment of the present invention
  • FIG. 2 A illustrates patch antennas on the substrate core of the antenna shown in FIG. 1;
  • FIG. 2B illustrates a structure of the substrate core of the antenna shown in FIG. 1
  • FIG. 2C illustrates another structure of the substrate core of the antenna shown in FIG. 1 according to another embodiment of the present invention
  • FIG. 3 illustrates a structure of the substrate sleeve of the antenna core shown in FIG. 2A or 2B;
  • FIG. 4 A illustrates a bandwidth adjustment sleeve of the antenna shown in FIG. i;
  • FIG. 4B illustrates the bandwidth adjustment sleeve shown in FIG. 4A and a substrate core according to another embodiment of the present invention
  • FIG. 5 illustrates a phase shift core of the antenna shown in FIG. 1;
  • FIG. 6 A illustrates a structure of the phase shift core of the antenna shown in FIG. 1;
  • FIG. 6B illustrates another structure of the phase shift core according to another embodiment of the present invention.
  • FIG. 7 illustrates a series of antennas shown in FIG. 1 according to another embodiment of the present invention.
  • FIG. 8 illustrates a diversity antenna according to yet another embodiment of the present invention.
  • FIG. 1 shows a tunable yet compact co-linear antenna 100 according to an embodiment of the present invention.
  • the co-linear antenna 100 is made up of three concentric structures: a substrate core 150; a bandwidth adjustment sleeve 180 disposed concentrically around the substrate core 150; and a phase shift core 110 disposed co-axially below the substrate core 150.
  • FIG. 2A shows a substrate core 150 according to one embodiment of the present invention.
  • the substrate core 150 is made up of a dielectric core and three antenna patches 154 printed on the cylindrical surface.
  • FIG. 2B shows a substrate core 150a according to another embodiment of the present invention.
  • the substrate core 150a is made up of a core or inner sleeve 152 and a support sleeve 153 surrounding the core/inner sleeve 152.
  • the inner sleeve 152 is made up of strips of two dielectric materials Ej 5 S 2 that are alternately and axially disposed to form a cylindrical sleeve.
  • Each inner sleeve 152 has three strips of each dielectric material ⁇ i, ⁇ 2 , thus each strip is equally displaced at about 60 degree with respect to each other.
  • the support sleeve 153 is a thin cylinder of a dielectric material ⁇ 3 and has three equally spaced antenna patches 154 printed on its cylindrical surface.
  • the antenna patches 154 are printed on an inner cylindrical surface of the support sleeve 153; in another embodiment, the antenna patches 154 are printed on an outer cylindrical surface of the support sleeve 153.
  • the support sleeve 153 is a thin cylinder of a dielectric material ⁇ 3 and has three equally spaced antenna patches 154 printed on its cylindrical surface.
  • the antenna patches 154 are printed on an inner cylindrical surface of the support sleeve 153; in another embodiment, the antenna patches 154 are printed on an outer cylindrical surface of the support sleeve 153.
  • each antenna patch 153 is rotationally displaced about the inner sleeve 152, as shown by arrow R, so that the effective dielectric constant seen by the electromagnetic (EM) field around each antenna patch 154 is determined by the amount of overlap between each antenna patch
  • the antenna patch 154 is a simple patch antenna; in another, it is an array of patch antennas; in yet another, it is a dipole patch antenna.
  • FIG. 2C shows a substrate core 150b according to another embodiment of the present invention.
  • the substrate core 150b is made up of the above substrate core 150a and an outer sleeve 155.
  • the outer sleeve 155 is similar in construction as the inner sleeve 152.
  • the outer sleeve 155 is a radial projection of the inner sleeve 152.
  • the dielectric materials of the outer sleeve 155 are the same as those of the inner sleeve 152; in another embodiment, each dielectric material 8 4 ,8 5 of the outer sleeve 155 is different from those of the inner sleeve 152.
  • the inner and outer sleeves 152,155 are rotatable in unison with respect to the support sleeve 153, which is disposed between the inner and outer sleeves 152,155.
  • the effective dielectric constant seen by the EM field around each antenna patch 154 is adjustable by the amount of overlap between the antenna patch 154 and the dielectric materials E], 8 2 ,8 4 ,8 5 of the inner/outer sleeve.
  • the inner sleeve 152 and the outer sleeve 155 are not rotatable in unison.
  • FIG. 3 shows an inner or outer substrate sleeve 152,155 according to another embodiment of the present invention.
  • the inner/outer sleeve 152,155 is made by forming apertures 156 in a cylindrical sleeve of a dielectric material £ 1 ,5 4 where air in the apertures 156 has dielectric constant 8 2 or 8 5 .
  • FIG. 4 A shows a bandwidth adjustment sleeve 180 according to another embodiment of the present invention.
  • the cylindrical surface of the bandwidth adjustment sleeve 180 has three equally spaced parasitic antenna patches 184.
  • characteristics of the EM field around each antenna patches 154 are adjusted by the amount of overlap between the antenna patches 154 and the parasitic antenna 184. These characteristics may be the antenna's bandwidth, gain and directivity.
  • the substrate core 150 is a simple cylindrical core or sleeve of a dielectric material whilst the bandwidth adjustment sleeve 180 is made of the same or dissimilar dielectric material.
  • Other embodiments of the co-linear antenna are made up of combinations of the bandwidth adjustment sleeve 180 and various embodiments of the substrate core 150a,150b.
  • FIG. 5 shows a phase shift core 110 according to another embodiment of the present invention.
  • the phase shift core 110 is a simple cylindrical core or sleeve of a dielectric material.
  • On the cylindrical surface of the phase shift core 110 are printed three equally spaced meandering lines 111.
  • meandering lines 111,111a of different numbers of meanders, the phase shift of a signal corresponding to an antenna patch 154 is made different from that of another. Accordingly, the phase shift of a signal received at or transmitted from the antenna 100 is varied azimuthally.
  • Other embodiments of the co-linear antenna are made up of combinations of the phase shift core 110 and the above substrate core 150a,150b and/or bandwidth adjustment sleeve 180.
  • FIG. 6A shows a phase shift core 110a according to another embodiment of the present invention.
  • the phase shift core HOa is made up of a cylindrical core or sleeve 112 formed from a composite of two dielectric materials and a meander line support sleeve 113.
  • the structure of the phase shift core 110a is similar in construction to that of the substrate core 150a shown in FIG. 2B except that the meandering lines 111 are shown instead of the antenna patches 154.
  • the phase shift of an antenna 100b is made adjustable.
  • FIG. 6B shows a phase shift core 110b according to yet another embodiment of the present invention.
  • the phase shift core HOb is made up of the above phase shift core HOa and an outer sleeve 115.
  • the structure of the phase shift core 110b is similar in construction to that of the substrate core 150b shown in FIG. 2C except that the meandering lines 111 are shown instead of the antenna patches 154.
  • the phase shift of an antenna 100b is made adjustable.
  • FIG. 7 shows an antenna 200 according to another embodiment of the present invention.
  • the antenna 200 is formed by connecting segments of antenna 100,10Oa 5 IOOb, etc. in series to form a slender antenna.
  • a feed member 210 for supporting transmission lines of the patch antennas and meandering lines.
  • Each segment of the antenna 100,10Oa 5 IOOb has its own characteristic receiving or emitting pattern.
  • FIG. 8 shows a diversity antenna 300 formed by arranging two spatially spaced apart antennas 100,200 to improve quality and reliability of a link in wireless communication; the signals from separate antennas are summed up, for example, to maximize signal-to-noise ratio.
  • An advantage of the present invention is that the antennas are compact and disposed in a vertical and cylindrical manner. Another advantage is that the phase shift mechanism is integrated in the antenna 100,10Oa 5 IOOb, etc.. In contrast, the phase shift mechanism in a conventional system is located separate from the antenna; in addition, the phase shift mechanism of the present invention does not employ tuning diodes, selector networks or adaptive coding algorithms. Another advantage of the present invention is that each of the bandwidth adjustment sleeve, substrate core and phase shift core is rotationally displaced by a gear-motor drive 190 in relation to each other. [0037] While specific embodiments have been described and illustrated, it is understood that many changes, modifications, variations and combinations thereof could be made to the present invention without departing from the scope of the invention.
  • antenna patches For example, three antenna patches have been illustrated and described. It is possible that four or more antenna patches be used in the diversity antenna of the present invention. In another example, the antenna patches are described as being printed; however, other methods of forming the antenna patches, such as by etching and depositing; laminating; and so on, are also feasible.

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

La présente invention concerne une antenne de forme allongée et cylindrique (100, 100a, 100b, etc). L’antenne (100, 100a, 100b, etc) comporte un noyau déphaseur central (110) et une gaine de substrat (150). La gaine de substrat (150) comprend une pluralité d’antennes de cavaliers d’antenne (152) formés sur sa surface de forme cylindrique. Le noyau déphaseur (110) et/ou la gaine de substrat (150) est constituée de bandes de forme allongée de deux matériaux de diélectrique différent. Selon un autre mode de réalisation, l’antenne comporte également une douille d’ajustement de largeur de bande (180) disposée autour de la gaine de substrat (150).
PCT/SG2008/000414 2008-10-30 2008-10-30 Antenne à diversité accordable compacte Ceased WO2010050892A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/SG2008/000414 WO2010050892A1 (fr) 2008-10-30 2008-10-30 Antenne à diversité accordable compacte

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SG2008/000414 WO2010050892A1 (fr) 2008-10-30 2008-10-30 Antenne à diversité accordable compacte

Publications (1)

Publication Number Publication Date
WO2010050892A1 true WO2010050892A1 (fr) 2010-05-06

Family

ID=42129062

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SG2008/000414 Ceased WO2010050892A1 (fr) 2008-10-30 2008-10-30 Antenne à diversité accordable compacte

Country Status (1)

Country Link
WO (1) WO2010050892A1 (fr)

Cited By (122)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9667317B2 (en) 2015-06-15 2017-05-30 At&T Intellectual Property I, L.P. Method and apparatus for providing security using network traffic adjustments
US9674711B2 (en) 2013-11-06 2017-06-06 At&T Intellectual Property I, L.P. Surface-wave communications and methods thereof
US9685992B2 (en) 2014-10-03 2017-06-20 At&T Intellectual Property I, L.P. Circuit panel network and methods thereof
US9705610B2 (en) 2014-10-21 2017-07-11 At&T Intellectual Property I, L.P. Transmission device with impairment compensation and methods for use therewith
US9705561B2 (en) 2015-04-24 2017-07-11 At&T Intellectual Property I, L.P. Directional coupling device and methods for use therewith
US9722318B2 (en) 2015-07-14 2017-08-01 At&T Intellectual Property I, L.P. Method and apparatus for coupling an antenna to a device
US9729197B2 (en) 2015-10-01 2017-08-08 At&T Intellectual Property I, L.P. Method and apparatus for communicating network management traffic over a network
US9735833B2 (en) 2015-07-31 2017-08-15 At&T Intellectual Property I, L.P. Method and apparatus for communications management in a neighborhood network
US9742462B2 (en) 2014-12-04 2017-08-22 At&T Intellectual Property I, L.P. Transmission medium and communication interfaces and methods for use therewith
US9742521B2 (en) 2014-11-20 2017-08-22 At&T Intellectual Property I, L.P. Transmission device with mode division multiplexing and methods for use therewith
US9748626B2 (en) 2015-05-14 2017-08-29 At&T Intellectual Property I, L.P. Plurality of cables having different cross-sectional shapes which are bundled together to form a transmission medium
US9749013B2 (en) 2015-03-17 2017-08-29 At&T Intellectual Property I, L.P. Method and apparatus for reducing attenuation of electromagnetic waves guided by a transmission medium
US9749053B2 (en) 2015-07-23 2017-08-29 At&T Intellectual Property I, L.P. Node device, repeater and methods for use therewith
US9768833B2 (en) 2014-09-15 2017-09-19 At&T Intellectual Property I, L.P. Method and apparatus for sensing a condition in a transmission medium of electromagnetic waves
US9769020B2 (en) 2014-10-21 2017-09-19 At&T Intellectual Property I, L.P. Method and apparatus for responding to events affecting communications in a communication network
US9769128B2 (en) 2015-09-28 2017-09-19 At&T Intellectual Property I, L.P. Method and apparatus for encryption of communications over a network
US9780834B2 (en) 2014-10-21 2017-10-03 At&T Intellectual Property I, L.P. Method and apparatus for transmitting electromagnetic waves
US9787412B2 (en) 2015-06-25 2017-10-10 At&T Intellectual Property I, L.P. Methods and apparatus for inducing a fundamental wave mode on a transmission medium
US9793955B2 (en) 2015-04-24 2017-10-17 At&T Intellectual Property I, Lp Passive electrical coupling device and methods for use therewith
US9793954B2 (en) 2015-04-28 2017-10-17 At&T Intellectual Property I, L.P. Magnetic coupling device and methods for use therewith
US9793951B2 (en) 2015-07-15 2017-10-17 At&T Intellectual Property I, L.P. Method and apparatus for launching a wave mode that mitigates interference
US9800327B2 (en) 2014-11-20 2017-10-24 At&T Intellectual Property I, L.P. Apparatus for controlling operations of a communication device and methods thereof
US9820146B2 (en) 2015-06-12 2017-11-14 At&T Intellectual Property I, L.P. Method and apparatus for authentication and identity management of communicating devices
US9838896B1 (en) 2016-12-09 2017-12-05 At&T Intellectual Property I, L.P. Method and apparatus for assessing network coverage
US9838078B2 (en) 2015-07-31 2017-12-05 At&T Intellectual Property I, L.P. Method and apparatus for exchanging communication signals
US9847850B2 (en) 2014-10-14 2017-12-19 At&T Intellectual Property I, L.P. Method and apparatus for adjusting a mode of communication in a communication network
US9847566B2 (en) 2015-07-14 2017-12-19 At&T Intellectual Property I, L.P. Method and apparatus for adjusting a field of a signal to mitigate interference
US9853342B2 (en) 2015-07-14 2017-12-26 At&T Intellectual Property I, L.P. Dielectric transmission medium connector and methods for use therewith
US9860075B1 (en) 2016-08-26 2018-01-02 At&T Intellectual Property I, L.P. Method and communication node for broadband distribution
US9865911B2 (en) 2015-06-25 2018-01-09 At&T Intellectual Property I, L.P. Waveguide system for slot radiating first electromagnetic waves that are combined into a non-fundamental wave mode second electromagnetic wave on a transmission medium
US9866276B2 (en) 2014-10-10 2018-01-09 At&T Intellectual Property I, L.P. Method and apparatus for arranging communication sessions in a communication system
US9866309B2 (en) 2015-06-03 2018-01-09 At&T Intellectual Property I, Lp Host node device and methods for use therewith
US9871558B2 (en) 2014-10-21 2018-01-16 At&T Intellectual Property I, L.P. Guided-wave transmission device and methods for use therewith
US9871283B2 (en) 2015-07-23 2018-01-16 At&T Intellectual Property I, Lp Transmission medium having a dielectric core comprised of plural members connected by a ball and socket configuration
US9871282B2 (en) 2015-05-14 2018-01-16 At&T Intellectual Property I, L.P. At least one transmission medium having a dielectric surface that is covered at least in part by a second dielectric
US9876570B2 (en) 2015-02-20 2018-01-23 At&T Intellectual Property I, Lp Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith
US9876264B2 (en) 2015-10-02 2018-01-23 At&T Intellectual Property I, Lp Communication system, guided wave switch and methods for use therewith
US9876605B1 (en) 2016-10-21 2018-01-23 At&T Intellectual Property I, L.P. Launcher and coupling system to support desired guided wave mode
US9882257B2 (en) 2015-07-14 2018-01-30 At&T Intellectual Property I, L.P. Method and apparatus for launching a wave mode that mitigates interference
US9887447B2 (en) 2015-05-14 2018-02-06 At&T Intellectual Property I, L.P. Transmission medium having multiple cores and methods for use therewith
US9893795B1 (en) 2016-12-07 2018-02-13 At&T Intellectual Property I, Lp Method and repeater for broadband distribution
US9904535B2 (en) 2015-09-14 2018-02-27 At&T Intellectual Property I, L.P. Method and apparatus for distributing software
US9906269B2 (en) 2014-09-17 2018-02-27 At&T Intellectual Property I, L.P. Monitoring and mitigating conditions in a communication network
US9912027B2 (en) 2015-07-23 2018-03-06 At&T Intellectual Property I, L.P. Method and apparatus for exchanging communication signals
US9912381B2 (en) 2015-06-03 2018-03-06 At&T Intellectual Property I, Lp Network termination and methods for use therewith
US9911020B1 (en) 2016-12-08 2018-03-06 At&T Intellectual Property I, L.P. Method and apparatus for tracking via a radio frequency identification device
US9912033B2 (en) 2014-10-21 2018-03-06 At&T Intellectual Property I, Lp Guided wave coupler, coupling module and methods for use therewith
US9913139B2 (en) 2015-06-09 2018-03-06 At&T Intellectual Property I, L.P. Signal fingerprinting for authentication of communicating devices
US9917341B2 (en) 2015-05-27 2018-03-13 At&T Intellectual Property I, L.P. Apparatus and method for launching electromagnetic waves and for modifying radial dimensions of the propagating electromagnetic waves
US9927517B1 (en) 2016-12-06 2018-03-27 At&T Intellectual Property I, L.P. Apparatus and methods for sensing rainfall
US9929755B2 (en) 2015-07-14 2018-03-27 At&T Intellectual Property I, L.P. Method and apparatus for coupling an antenna to a device
US9948333B2 (en) 2015-07-23 2018-04-17 At&T Intellectual Property I, L.P. Method and apparatus for wireless communications to mitigate interference
US9954287B2 (en) 2014-11-20 2018-04-24 At&T Intellectual Property I, L.P. Apparatus for converting wireless signals and electromagnetic waves and methods thereof
US9954286B2 (en) 2014-10-21 2018-04-24 At&T Intellectual Property I, L.P. Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith
US9967173B2 (en) 2015-07-31 2018-05-08 At&T Intellectual Property I, L.P. Method and apparatus for authentication and identity management of communicating devices
US9973940B1 (en) 2017-02-27 2018-05-15 At&T Intellectual Property I, L.P. Apparatus and methods for dynamic impedance matching of a guided wave launcher
US9973416B2 (en) 2014-10-02 2018-05-15 At&T Intellectual Property I, L.P. Method and apparatus that provides fault tolerance in a communication network
US9991580B2 (en) 2016-10-21 2018-06-05 At&T Intellectual Property I, L.P. Launcher and coupling system for guided wave mode cancellation
US9999038B2 (en) 2013-05-31 2018-06-12 At&T Intellectual Property I, L.P. Remote distributed antenna system
US9998870B1 (en) 2016-12-08 2018-06-12 At&T Intellectual Property I, L.P. Method and apparatus for proximity sensing
US9997819B2 (en) 2015-06-09 2018-06-12 At&T Intellectual Property I, L.P. Transmission medium and method for facilitating propagation of electromagnetic waves via a core
US10009067B2 (en) 2014-12-04 2018-06-26 At&T Intellectual Property I, L.P. Method and apparatus for configuring a communication interface
US10020844B2 (en) 2016-12-06 2018-07-10 T&T Intellectual Property I, L.P. Method and apparatus for broadcast communication via guided waves
US10027397B2 (en) 2016-12-07 2018-07-17 At&T Intellectual Property I, L.P. Distributed antenna system and methods for use therewith
US10044409B2 (en) 2015-07-14 2018-08-07 At&T Intellectual Property I, L.P. Transmission medium and methods for use therewith
US10051630B2 (en) 2013-05-31 2018-08-14 At&T Intellectual Property I, L.P. Remote distributed antenna system
US10069185B2 (en) 2015-06-25 2018-09-04 At&T Intellectual Property I, L.P. Methods and apparatus for inducing a non-fundamental wave mode on a transmission medium
US10069535B2 (en) 2016-12-08 2018-09-04 At&T Intellectual Property I, L.P. Apparatus and methods for launching electromagnetic waves having a certain electric field structure
US10090594B2 (en) 2016-11-23 2018-10-02 At&T Intellectual Property I, L.P. Antenna system having structural configurations for assembly
US10090606B2 (en) 2015-07-15 2018-10-02 At&T Intellectual Property I, L.P. Antenna system with dielectric array and methods for use therewith
US10096883B2 (en) 2016-12-06 2018-10-09 At&T Intellectual Property I, L.P. Methods and apparatus for adjusting a wavelength electromagnetic waves
US10103422B2 (en) 2016-12-08 2018-10-16 At&T Intellectual Property I, L.P. Method and apparatus for mounting network devices
US10135147B2 (en) 2016-10-18 2018-11-20 At&T Intellectual Property I, L.P. Apparatus and methods for launching guided waves via an antenna
US10135145B2 (en) 2016-12-06 2018-11-20 At&T Intellectual Property I, L.P. Apparatus and methods for generating an electromagnetic wave along a transmission medium
US10135146B2 (en) 2016-10-18 2018-11-20 At&T Intellectual Property I, L.P. Apparatus and methods for launching guided waves via circuits
US10139820B2 (en) 2016-12-07 2018-11-27 At&T Intellectual Property I, L.P. Method and apparatus for deploying equipment of a communication system
US10148016B2 (en) 2015-07-14 2018-12-04 At&T Intellectual Property I, L.P. Apparatus and methods for communicating utilizing an antenna array
US10168695B2 (en) 2016-12-07 2019-01-01 At&T Intellectual Property I, L.P. Method and apparatus for controlling an unmanned aircraft
US10178445B2 (en) 2016-11-23 2019-01-08 At&T Intellectual Property I, L.P. Methods, devices, and systems for load balancing between a plurality of waveguides
US10205212B2 (en) 2016-12-06 2019-02-12 At&T Intellectual Property I, L.P. Methods and apparatus for adjusting a phase of electromagnetic waves
US10205655B2 (en) 2015-07-14 2019-02-12 At&T Intellectual Property I, L.P. Apparatus and methods for communicating utilizing an antenna array and multiple communication paths
US10224634B2 (en) 2016-11-03 2019-03-05 At&T Intellectual Property I, L.P. Methods and apparatus for adjusting an operational characteristic of an antenna
US10225025B2 (en) 2016-11-03 2019-03-05 At&T Intellectual Property I, L.P. Method and apparatus for detecting a fault in a communication system
US10243270B2 (en) 2016-12-07 2019-03-26 At&T Intellectual Property I, L.P. Beam adaptive multi-feed dielectric antenna system and methods for use therewith
US10243784B2 (en) 2014-11-20 2019-03-26 At&T Intellectual Property I, L.P. System for generating topology information and methods thereof
US10264586B2 (en) 2016-12-09 2019-04-16 At&T Mobility Ii Llc Cloud-based packet controller and methods for use therewith
US10291334B2 (en) 2016-11-03 2019-05-14 At&T Intellectual Property I, L.P. System for detecting a fault in a communication system
US10298293B2 (en) 2017-03-13 2019-05-21 At&T Intellectual Property I, L.P. Apparatus of communication utilizing wireless network devices
US10305190B2 (en) 2016-12-01 2019-05-28 At&T Intellectual Property I, L.P. Reflecting dielectric antenna system and methods for use therewith
US10312567B2 (en) 2016-10-26 2019-06-04 At&T Intellectual Property I, L.P. Launcher with planar strip antenna and methods for use therewith
US10326689B2 (en) 2016-12-08 2019-06-18 At&T Intellectual Property I, L.P. Method and system for providing alternative communication paths
US10326494B2 (en) 2016-12-06 2019-06-18 At&T Intellectual Property I, L.P. Apparatus for measurement de-embedding and methods for use therewith
US10340573B2 (en) 2016-10-26 2019-07-02 At&T Intellectual Property I, L.P. Launcher with cylindrical coupling device and methods for use therewith
US10340601B2 (en) 2016-11-23 2019-07-02 At&T Intellectual Property I, L.P. Multi-antenna system and methods for use therewith
US10340983B2 (en) 2016-12-09 2019-07-02 At&T Intellectual Property I, L.P. Method and apparatus for surveying remote sites via guided wave communications
US10340603B2 (en) 2016-11-23 2019-07-02 At&T Intellectual Property I, L.P. Antenna system having shielded structural configurations for assembly
US10355367B2 (en) 2015-10-16 2019-07-16 At&T Intellectual Property I, L.P. Antenna structure for exchanging wireless signals
US10361489B2 (en) 2016-12-01 2019-07-23 At&T Intellectual Property I, L.P. Dielectric dish antenna system and methods for use therewith
US10359749B2 (en) 2016-12-07 2019-07-23 At&T Intellectual Property I, L.P. Method and apparatus for utilities management via guided wave communication
US10374316B2 (en) 2016-10-21 2019-08-06 At&T Intellectual Property I, L.P. System and dielectric antenna with non-uniform dielectric
US10382976B2 (en) 2016-12-06 2019-08-13 At&T Intellectual Property I, L.P. Method and apparatus for managing wireless communications based on communication paths and network device positions
US10389029B2 (en) 2016-12-07 2019-08-20 At&T Intellectual Property I, L.P. Multi-feed dielectric antenna system with core selection and methods for use therewith
US10389037B2 (en) 2016-12-08 2019-08-20 At&T Intellectual Property I, L.P. Apparatus and methods for selecting sections of an antenna array and use therewith
US10411356B2 (en) 2016-12-08 2019-09-10 At&T Intellectual Property I, L.P. Apparatus and methods for selectively targeting communication devices with an antenna array
US10439675B2 (en) 2016-12-06 2019-10-08 At&T Intellectual Property I, L.P. Method and apparatus for repeating guided wave communication signals
US10446936B2 (en) 2016-12-07 2019-10-15 At&T Intellectual Property I, L.P. Multi-feed dielectric antenna system and methods for use therewith
US10498044B2 (en) 2016-11-03 2019-12-03 At&T Intellectual Property I, L.P. Apparatus for configuring a surface of an antenna
US10530505B2 (en) 2016-12-08 2020-01-07 At&T Intellectual Property I, L.P. Apparatus and methods for launching electromagnetic waves along a transmission medium
US10535928B2 (en) 2016-11-23 2020-01-14 At&T Intellectual Property I, L.P. Antenna system and methods for use therewith
US10547348B2 (en) 2016-12-07 2020-01-28 At&T Intellectual Property I, L.P. Method and apparatus for switching transmission mediums in a communication system
US10601494B2 (en) 2016-12-08 2020-03-24 At&T Intellectual Property I, L.P. Dual-band communication device and method for use therewith
US10637149B2 (en) 2016-12-06 2020-04-28 At&T Intellectual Property I, L.P. Injection molded dielectric antenna and methods for use therewith
US10650940B2 (en) 2015-05-15 2020-05-12 At&T Intellectual Property I, L.P. Transmission medium having a conductive material and methods for use therewith
US10694379B2 (en) 2016-12-06 2020-06-23 At&T Intellectual Property I, L.P. Waveguide system with device-based authentication and methods for use therewith
US10727599B2 (en) 2016-12-06 2020-07-28 At&T Intellectual Property I, L.P. Launcher with slot antenna and methods for use therewith
US10755542B2 (en) 2016-12-06 2020-08-25 At&T Intellectual Property I, L.P. Method and apparatus for surveillance via guided wave communication
US10777873B2 (en) 2016-12-08 2020-09-15 At&T Intellectual Property I, L.P. Method and apparatus for mounting network devices
US10797781B2 (en) 2015-06-03 2020-10-06 At&T Intellectual Property I, L.P. Client node device and methods for use therewith
US10811767B2 (en) 2016-10-21 2020-10-20 At&T Intellectual Property I, L.P. System and dielectric antenna with convex dielectric radome
US10819035B2 (en) 2016-12-06 2020-10-27 At&T Intellectual Property I, L.P. Launcher with helical antenna and methods for use therewith
US10916969B2 (en) 2016-12-08 2021-02-09 At&T Intellectual Property I, L.P. Method and apparatus for providing power using an inductive coupling
US10938108B2 (en) 2016-12-08 2021-03-02 At&T Intellectual Property I, L.P. Frequency selective multi-feed dielectric antenna system and methods for use therewith

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4527163A (en) * 1983-04-06 1985-07-02 California Institute Of Technology Omnidirectional, circularly polarized, cylindrical microstrip antenna
US4899162A (en) * 1985-06-10 1990-02-06 L'etat Francais, Represente Par Le Ministre Des Ptt (Cnet) Omnidirectional cylindrical antenna
US5818390A (en) * 1996-10-24 1998-10-06 Trimble Navigation Limited Ring shaped antenna
US6166702A (en) * 1999-02-16 2000-12-26 Radio Frequency Systems, Inc. Microstrip antenna
US6281847B1 (en) * 1998-12-17 2001-08-28 Southern Methodist University Electronically steerable and direction finding microstrip array antenna
US6285322B1 (en) * 1997-01-03 2001-09-04 Telefonaktiebolaget Lm Ericsson (Publ) Electronics unit for wireless transfer of signals
US6362785B1 (en) * 1999-10-29 2002-03-26 The United States Of America As Repesented By The Secretary Of The Army Compact cylindrical microstrip antenna
US6677901B1 (en) * 2002-03-15 2004-01-13 The United States Of America As Represented By The Secretary Of The Army Planar tunable microstrip antenna for HF and VHF frequencies
US6693595B2 (en) * 2002-04-25 2004-02-17 Southern Methodist University Cylindrical double-layer microstrip array antenna
WO2008030286A1 (fr) * 2006-09-05 2008-03-13 Apple Inc. Antennes accordables pour dispositifs portables

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4527163A (en) * 1983-04-06 1985-07-02 California Institute Of Technology Omnidirectional, circularly polarized, cylindrical microstrip antenna
US4899162A (en) * 1985-06-10 1990-02-06 L'etat Francais, Represente Par Le Ministre Des Ptt (Cnet) Omnidirectional cylindrical antenna
US5818390A (en) * 1996-10-24 1998-10-06 Trimble Navigation Limited Ring shaped antenna
US6285322B1 (en) * 1997-01-03 2001-09-04 Telefonaktiebolaget Lm Ericsson (Publ) Electronics unit for wireless transfer of signals
US6281847B1 (en) * 1998-12-17 2001-08-28 Southern Methodist University Electronically steerable and direction finding microstrip array antenna
US6166702A (en) * 1999-02-16 2000-12-26 Radio Frequency Systems, Inc. Microstrip antenna
US6362785B1 (en) * 1999-10-29 2002-03-26 The United States Of America As Repesented By The Secretary Of The Army Compact cylindrical microstrip antenna
US6677901B1 (en) * 2002-03-15 2004-01-13 The United States Of America As Represented By The Secretary Of The Army Planar tunable microstrip antenna for HF and VHF frequencies
US6693595B2 (en) * 2002-04-25 2004-02-17 Southern Methodist University Cylindrical double-layer microstrip array antenna
WO2008030286A1 (fr) * 2006-09-05 2008-03-13 Apple Inc. Antennes accordables pour dispositifs portables

Cited By (138)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10051630B2 (en) 2013-05-31 2018-08-14 At&T Intellectual Property I, L.P. Remote distributed antenna system
US9999038B2 (en) 2013-05-31 2018-06-12 At&T Intellectual Property I, L.P. Remote distributed antenna system
US9674711B2 (en) 2013-11-06 2017-06-06 At&T Intellectual Property I, L.P. Surface-wave communications and methods thereof
US9768833B2 (en) 2014-09-15 2017-09-19 At&T Intellectual Property I, L.P. Method and apparatus for sensing a condition in a transmission medium of electromagnetic waves
US9906269B2 (en) 2014-09-17 2018-02-27 At&T Intellectual Property I, L.P. Monitoring and mitigating conditions in a communication network
US10063280B2 (en) 2014-09-17 2018-08-28 At&T Intellectual Property I, L.P. Monitoring and mitigating conditions in a communication network
US9973416B2 (en) 2014-10-02 2018-05-15 At&T Intellectual Property I, L.P. Method and apparatus that provides fault tolerance in a communication network
US9685992B2 (en) 2014-10-03 2017-06-20 At&T Intellectual Property I, L.P. Circuit panel network and methods thereof
US9866276B2 (en) 2014-10-10 2018-01-09 At&T Intellectual Property I, L.P. Method and apparatus for arranging communication sessions in a communication system
US9847850B2 (en) 2014-10-14 2017-12-19 At&T Intellectual Property I, L.P. Method and apparatus for adjusting a mode of communication in a communication network
US9912033B2 (en) 2014-10-21 2018-03-06 At&T Intellectual Property I, Lp Guided wave coupler, coupling module and methods for use therewith
US9960808B2 (en) 2014-10-21 2018-05-01 At&T Intellectual Property I, L.P. Guided-wave transmission device and methods for use therewith
US9954286B2 (en) 2014-10-21 2018-04-24 At&T Intellectual Property I, L.P. Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith
US9871558B2 (en) 2014-10-21 2018-01-16 At&T Intellectual Property I, L.P. Guided-wave transmission device and methods for use therewith
US9876587B2 (en) 2014-10-21 2018-01-23 At&T Intellectual Property I, L.P. Transmission device with impairment compensation and methods for use therewith
US9769020B2 (en) 2014-10-21 2017-09-19 At&T Intellectual Property I, L.P. Method and apparatus for responding to events affecting communications in a communication network
US9705610B2 (en) 2014-10-21 2017-07-11 At&T Intellectual Property I, L.P. Transmission device with impairment compensation and methods for use therewith
US9780834B2 (en) 2014-10-21 2017-10-03 At&T Intellectual Property I, L.P. Method and apparatus for transmitting electromagnetic waves
US9800327B2 (en) 2014-11-20 2017-10-24 At&T Intellectual Property I, L.P. Apparatus for controlling operations of a communication device and methods thereof
US9742521B2 (en) 2014-11-20 2017-08-22 At&T Intellectual Property I, L.P. Transmission device with mode division multiplexing and methods for use therewith
US9954287B2 (en) 2014-11-20 2018-04-24 At&T Intellectual Property I, L.P. Apparatus for converting wireless signals and electromagnetic waves and methods thereof
US10243784B2 (en) 2014-11-20 2019-03-26 At&T Intellectual Property I, L.P. System for generating topology information and methods thereof
US9749083B2 (en) 2014-11-20 2017-08-29 At&T Intellectual Property I, L.P. Transmission device with mode division multiplexing and methods for use therewith
US10009067B2 (en) 2014-12-04 2018-06-26 At&T Intellectual Property I, L.P. Method and apparatus for configuring a communication interface
US9742462B2 (en) 2014-12-04 2017-08-22 At&T Intellectual Property I, L.P. Transmission medium and communication interfaces and methods for use therewith
US9876571B2 (en) 2015-02-20 2018-01-23 At&T Intellectual Property I, Lp Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith
US9876570B2 (en) 2015-02-20 2018-01-23 At&T Intellectual Property I, Lp Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith
US9749013B2 (en) 2015-03-17 2017-08-29 At&T Intellectual Property I, L.P. Method and apparatus for reducing attenuation of electromagnetic waves guided by a transmission medium
US9831912B2 (en) 2015-04-24 2017-11-28 At&T Intellectual Property I, Lp Directional coupling device and methods for use therewith
US9793955B2 (en) 2015-04-24 2017-10-17 At&T Intellectual Property I, Lp Passive electrical coupling device and methods for use therewith
US10224981B2 (en) 2015-04-24 2019-03-05 At&T Intellectual Property I, Lp Passive electrical coupling device and methods for use therewith
US9705561B2 (en) 2015-04-24 2017-07-11 At&T Intellectual Property I, L.P. Directional coupling device and methods for use therewith
US9793954B2 (en) 2015-04-28 2017-10-17 At&T Intellectual Property I, L.P. Magnetic coupling device and methods for use therewith
US9871282B2 (en) 2015-05-14 2018-01-16 At&T Intellectual Property I, L.P. At least one transmission medium having a dielectric surface that is covered at least in part by a second dielectric
US9748626B2 (en) 2015-05-14 2017-08-29 At&T Intellectual Property I, L.P. Plurality of cables having different cross-sectional shapes which are bundled together to form a transmission medium
US9887447B2 (en) 2015-05-14 2018-02-06 At&T Intellectual Property I, L.P. Transmission medium having multiple cores and methods for use therewith
US10650940B2 (en) 2015-05-15 2020-05-12 At&T Intellectual Property I, L.P. Transmission medium having a conductive material and methods for use therewith
US9917341B2 (en) 2015-05-27 2018-03-13 At&T Intellectual Property I, L.P. Apparatus and method for launching electromagnetic waves and for modifying radial dimensions of the propagating electromagnetic waves
US9935703B2 (en) 2015-06-03 2018-04-03 At&T Intellectual Property I, L.P. Host node device and methods for use therewith
US10050697B2 (en) 2015-06-03 2018-08-14 At&T Intellectual Property I, L.P. Host node device and methods for use therewith
US10797781B2 (en) 2015-06-03 2020-10-06 At&T Intellectual Property I, L.P. Client node device and methods for use therewith
US9912382B2 (en) 2015-06-03 2018-03-06 At&T Intellectual Property I, Lp Network termination and methods for use therewith
US10812174B2 (en) 2015-06-03 2020-10-20 At&T Intellectual Property I, L.P. Client node device and methods for use therewith
US9866309B2 (en) 2015-06-03 2018-01-09 At&T Intellectual Property I, Lp Host node device and methods for use therewith
US9967002B2 (en) 2015-06-03 2018-05-08 At&T Intellectual I, Lp Network termination and methods for use therewith
US9912381B2 (en) 2015-06-03 2018-03-06 At&T Intellectual Property I, Lp Network termination and methods for use therewith
US9997819B2 (en) 2015-06-09 2018-06-12 At&T Intellectual Property I, L.P. Transmission medium and method for facilitating propagation of electromagnetic waves via a core
US9913139B2 (en) 2015-06-09 2018-03-06 At&T Intellectual Property I, L.P. Signal fingerprinting for authentication of communicating devices
US9820146B2 (en) 2015-06-12 2017-11-14 At&T Intellectual Property I, L.P. Method and apparatus for authentication and identity management of communicating devices
US9667317B2 (en) 2015-06-15 2017-05-30 At&T Intellectual Property I, L.P. Method and apparatus for providing security using network traffic adjustments
US9865911B2 (en) 2015-06-25 2018-01-09 At&T Intellectual Property I, L.P. Waveguide system for slot radiating first electromagnetic waves that are combined into a non-fundamental wave mode second electromagnetic wave on a transmission medium
US10069185B2 (en) 2015-06-25 2018-09-04 At&T Intellectual Property I, L.P. Methods and apparatus for inducing a non-fundamental wave mode on a transmission medium
US9787412B2 (en) 2015-06-25 2017-10-10 At&T Intellectual Property I, L.P. Methods and apparatus for inducing a fundamental wave mode on a transmission medium
US9882257B2 (en) 2015-07-14 2018-01-30 At&T Intellectual Property I, L.P. Method and apparatus for launching a wave mode that mitigates interference
US9722318B2 (en) 2015-07-14 2017-08-01 At&T Intellectual Property I, L.P. Method and apparatus for coupling an antenna to a device
US9929755B2 (en) 2015-07-14 2018-03-27 At&T Intellectual Property I, L.P. Method and apparatus for coupling an antenna to a device
US10044409B2 (en) 2015-07-14 2018-08-07 At&T Intellectual Property I, L.P. Transmission medium and methods for use therewith
US10205655B2 (en) 2015-07-14 2019-02-12 At&T Intellectual Property I, L.P. Apparatus and methods for communicating utilizing an antenna array and multiple communication paths
US10148016B2 (en) 2015-07-14 2018-12-04 At&T Intellectual Property I, L.P. Apparatus and methods for communicating utilizing an antenna array
US9853342B2 (en) 2015-07-14 2017-12-26 At&T Intellectual Property I, L.P. Dielectric transmission medium connector and methods for use therewith
US9847566B2 (en) 2015-07-14 2017-12-19 At&T Intellectual Property I, L.P. Method and apparatus for adjusting a field of a signal to mitigate interference
US10090606B2 (en) 2015-07-15 2018-10-02 At&T Intellectual Property I, L.P. Antenna system with dielectric array and methods for use therewith
US9793951B2 (en) 2015-07-15 2017-10-17 At&T Intellectual Property I, L.P. Method and apparatus for launching a wave mode that mitigates interference
US9806818B2 (en) 2015-07-23 2017-10-31 At&T Intellectual Property I, Lp Node device, repeater and methods for use therewith
US9948333B2 (en) 2015-07-23 2018-04-17 At&T Intellectual Property I, L.P. Method and apparatus for wireless communications to mitigate interference
US9912027B2 (en) 2015-07-23 2018-03-06 At&T Intellectual Property I, L.P. Method and apparatus for exchanging communication signals
US9749053B2 (en) 2015-07-23 2017-08-29 At&T Intellectual Property I, L.P. Node device, repeater and methods for use therewith
US9871283B2 (en) 2015-07-23 2018-01-16 At&T Intellectual Property I, Lp Transmission medium having a dielectric core comprised of plural members connected by a ball and socket configuration
US9838078B2 (en) 2015-07-31 2017-12-05 At&T Intellectual Property I, L.P. Method and apparatus for exchanging communication signals
US9735833B2 (en) 2015-07-31 2017-08-15 At&T Intellectual Property I, L.P. Method and apparatus for communications management in a neighborhood network
US9967173B2 (en) 2015-07-31 2018-05-08 At&T Intellectual Property I, L.P. Method and apparatus for authentication and identity management of communicating devices
US9904535B2 (en) 2015-09-14 2018-02-27 At&T Intellectual Property I, L.P. Method and apparatus for distributing software
US9769128B2 (en) 2015-09-28 2017-09-19 At&T Intellectual Property I, L.P. Method and apparatus for encryption of communications over a network
US9729197B2 (en) 2015-10-01 2017-08-08 At&T Intellectual Property I, L.P. Method and apparatus for communicating network management traffic over a network
US9876264B2 (en) 2015-10-02 2018-01-23 At&T Intellectual Property I, Lp Communication system, guided wave switch and methods for use therewith
US10355367B2 (en) 2015-10-16 2019-07-16 At&T Intellectual Property I, L.P. Antenna structure for exchanging wireless signals
US9860075B1 (en) 2016-08-26 2018-01-02 At&T Intellectual Property I, L.P. Method and communication node for broadband distribution
US10135146B2 (en) 2016-10-18 2018-11-20 At&T Intellectual Property I, L.P. Apparatus and methods for launching guided waves via circuits
US10135147B2 (en) 2016-10-18 2018-11-20 At&T Intellectual Property I, L.P. Apparatus and methods for launching guided waves via an antenna
US9876605B1 (en) 2016-10-21 2018-01-23 At&T Intellectual Property I, L.P. Launcher and coupling system to support desired guided wave mode
US10374316B2 (en) 2016-10-21 2019-08-06 At&T Intellectual Property I, L.P. System and dielectric antenna with non-uniform dielectric
US10811767B2 (en) 2016-10-21 2020-10-20 At&T Intellectual Property I, L.P. System and dielectric antenna with convex dielectric radome
US9991580B2 (en) 2016-10-21 2018-06-05 At&T Intellectual Property I, L.P. Launcher and coupling system for guided wave mode cancellation
US10312567B2 (en) 2016-10-26 2019-06-04 At&T Intellectual Property I, L.P. Launcher with planar strip antenna and methods for use therewith
US10340573B2 (en) 2016-10-26 2019-07-02 At&T Intellectual Property I, L.P. Launcher with cylindrical coupling device and methods for use therewith
US10224634B2 (en) 2016-11-03 2019-03-05 At&T Intellectual Property I, L.P. Methods and apparatus for adjusting an operational characteristic of an antenna
US10291334B2 (en) 2016-11-03 2019-05-14 At&T Intellectual Property I, L.P. System for detecting a fault in a communication system
US10498044B2 (en) 2016-11-03 2019-12-03 At&T Intellectual Property I, L.P. Apparatus for configuring a surface of an antenna
US10225025B2 (en) 2016-11-03 2019-03-05 At&T Intellectual Property I, L.P. Method and apparatus for detecting a fault in a communication system
US10535928B2 (en) 2016-11-23 2020-01-14 At&T Intellectual Property I, L.P. Antenna system and methods for use therewith
US10178445B2 (en) 2016-11-23 2019-01-08 At&T Intellectual Property I, L.P. Methods, devices, and systems for load balancing between a plurality of waveguides
US10340603B2 (en) 2016-11-23 2019-07-02 At&T Intellectual Property I, L.P. Antenna system having shielded structural configurations for assembly
US10340601B2 (en) 2016-11-23 2019-07-02 At&T Intellectual Property I, L.P. Multi-antenna system and methods for use therewith
US10090594B2 (en) 2016-11-23 2018-10-02 At&T Intellectual Property I, L.P. Antenna system having structural configurations for assembly
US10361489B2 (en) 2016-12-01 2019-07-23 At&T Intellectual Property I, L.P. Dielectric dish antenna system and methods for use therewith
US10305190B2 (en) 2016-12-01 2019-05-28 At&T Intellectual Property I, L.P. Reflecting dielectric antenna system and methods for use therewith
US10637149B2 (en) 2016-12-06 2020-04-28 At&T Intellectual Property I, L.P. Injection molded dielectric antenna and methods for use therewith
US10382976B2 (en) 2016-12-06 2019-08-13 At&T Intellectual Property I, L.P. Method and apparatus for managing wireless communications based on communication paths and network device positions
US10819035B2 (en) 2016-12-06 2020-10-27 At&T Intellectual Property I, L.P. Launcher with helical antenna and methods for use therewith
US9927517B1 (en) 2016-12-06 2018-03-27 At&T Intellectual Property I, L.P. Apparatus and methods for sensing rainfall
US10755542B2 (en) 2016-12-06 2020-08-25 At&T Intellectual Property I, L.P. Method and apparatus for surveillance via guided wave communication
US10727599B2 (en) 2016-12-06 2020-07-28 At&T Intellectual Property I, L.P. Launcher with slot antenna and methods for use therewith
US10694379B2 (en) 2016-12-06 2020-06-23 At&T Intellectual Property I, L.P. Waveguide system with device-based authentication and methods for use therewith
US10326494B2 (en) 2016-12-06 2019-06-18 At&T Intellectual Property I, L.P. Apparatus for measurement de-embedding and methods for use therewith
US10020844B2 (en) 2016-12-06 2018-07-10 T&T Intellectual Property I, L.P. Method and apparatus for broadcast communication via guided waves
US10096883B2 (en) 2016-12-06 2018-10-09 At&T Intellectual Property I, L.P. Methods and apparatus for adjusting a wavelength electromagnetic waves
US10658726B2 (en) 2016-12-06 2020-05-19 At&T Intellectual Property I, L.P. Methods and apparatus for adjusting a phase of electromagnetic waves
US10629994B2 (en) 2016-12-06 2020-04-21 At&T Intellectual Property I, L.P. Apparatus and methods for generating an electromagnetic wave along a transmission medium
US10135145B2 (en) 2016-12-06 2018-11-20 At&T Intellectual Property I, L.P. Apparatus and methods for generating an electromagnetic wave along a transmission medium
US10205212B2 (en) 2016-12-06 2019-02-12 At&T Intellectual Property I, L.P. Methods and apparatus for adjusting a phase of electromagnetic waves
US10468739B2 (en) 2016-12-06 2019-11-05 At&T Intellectual Property I, L.P. Methods and apparatus for adjusting a wavelength electromagnetic waves
US10439675B2 (en) 2016-12-06 2019-10-08 At&T Intellectual Property I, L.P. Method and apparatus for repeating guided wave communication signals
US10446936B2 (en) 2016-12-07 2019-10-15 At&T Intellectual Property I, L.P. Multi-feed dielectric antenna system and methods for use therewith
US10139820B2 (en) 2016-12-07 2018-11-27 At&T Intellectual Property I, L.P. Method and apparatus for deploying equipment of a communication system
US9893795B1 (en) 2016-12-07 2018-02-13 At&T Intellectual Property I, Lp Method and repeater for broadband distribution
US10243270B2 (en) 2016-12-07 2019-03-26 At&T Intellectual Property I, L.P. Beam adaptive multi-feed dielectric antenna system and methods for use therewith
US10027397B2 (en) 2016-12-07 2018-07-17 At&T Intellectual Property I, L.P. Distributed antenna system and methods for use therewith
US10389029B2 (en) 2016-12-07 2019-08-20 At&T Intellectual Property I, L.P. Multi-feed dielectric antenna system with core selection and methods for use therewith
US10359749B2 (en) 2016-12-07 2019-07-23 At&T Intellectual Property I, L.P. Method and apparatus for utilities management via guided wave communication
US10168695B2 (en) 2016-12-07 2019-01-01 At&T Intellectual Property I, L.P. Method and apparatus for controlling an unmanned aircraft
US10547348B2 (en) 2016-12-07 2020-01-28 At&T Intellectual Property I, L.P. Method and apparatus for switching transmission mediums in a communication system
US9911020B1 (en) 2016-12-08 2018-03-06 At&T Intellectual Property I, L.P. Method and apparatus for tracking via a radio frequency identification device
US10530505B2 (en) 2016-12-08 2020-01-07 At&T Intellectual Property I, L.P. Apparatus and methods for launching electromagnetic waves along a transmission medium
US10601494B2 (en) 2016-12-08 2020-03-24 At&T Intellectual Property I, L.P. Dual-band communication device and method for use therewith
US10103422B2 (en) 2016-12-08 2018-10-16 At&T Intellectual Property I, L.P. Method and apparatus for mounting network devices
US9998870B1 (en) 2016-12-08 2018-06-12 At&T Intellectual Property I, L.P. Method and apparatus for proximity sensing
US10938108B2 (en) 2016-12-08 2021-03-02 At&T Intellectual Property I, L.P. Frequency selective multi-feed dielectric antenna system and methods for use therewith
US10916969B2 (en) 2016-12-08 2021-02-09 At&T Intellectual Property I, L.P. Method and apparatus for providing power using an inductive coupling
US10326689B2 (en) 2016-12-08 2019-06-18 At&T Intellectual Property I, L.P. Method and system for providing alternative communication paths
US10069535B2 (en) 2016-12-08 2018-09-04 At&T Intellectual Property I, L.P. Apparatus and methods for launching electromagnetic waves having a certain electric field structure
US10411356B2 (en) 2016-12-08 2019-09-10 At&T Intellectual Property I, L.P. Apparatus and methods for selectively targeting communication devices with an antenna array
US10777873B2 (en) 2016-12-08 2020-09-15 At&T Intellectual Property I, L.P. Method and apparatus for mounting network devices
US10389037B2 (en) 2016-12-08 2019-08-20 At&T Intellectual Property I, L.P. Apparatus and methods for selecting sections of an antenna array and use therewith
US10264586B2 (en) 2016-12-09 2019-04-16 At&T Mobility Ii Llc Cloud-based packet controller and methods for use therewith
US9838896B1 (en) 2016-12-09 2017-12-05 At&T Intellectual Property I, L.P. Method and apparatus for assessing network coverage
US10340983B2 (en) 2016-12-09 2019-07-02 At&T Intellectual Property I, L.P. Method and apparatus for surveying remote sites via guided wave communications
US9973940B1 (en) 2017-02-27 2018-05-15 At&T Intellectual Property I, L.P. Apparatus and methods for dynamic impedance matching of a guided wave launcher
US10298293B2 (en) 2017-03-13 2019-05-21 At&T Intellectual Property I, L.P. Apparatus of communication utilizing wireless network devices

Similar Documents

Publication Publication Date Title
WO2010050892A1 (fr) Antenne à diversité accordable compacte
EP3488489B1 (fr) Système d'antennes de station de base à espacement de réseau amélioré
EP3416243B1 (fr) Antennes de formation de faisceau à petites cellules
RU2155460C2 (ru) Антенна с широким лепестком диаграммы направленности
WO2022012040A1 (fr) Systèmes et procédés de formation de faisceau à l'aide de surfaces configurables intégrées dans une antenne
JP6173920B2 (ja) 空対地通信システムのリアルタイム較正
JP7411321B2 (ja) 急速衛星捕捉スキーム
EP2514034B1 (fr) Unité de communication, circuit intégré et procédé de diversité de polarisation
US20060164318A1 (en) Method and apparatus for a radio transceiver
US20070205955A1 (en) Multiple-element antenna array for communication network
US20130057432A1 (en) Method and apparatus for beam broadening for phased antenna arrays using multi-beam sub-arrays
US20050101352A1 (en) Method and apparatus for a multi-beam antenna system
EP1229342A2 (fr) Détection de signaux au moyen d'un réseau d'antennes à commande de phase
JP2008502226A (ja) スマートアンテナを備えた衛星通信加入者デバイスおよびその関連方法
EP3602817A1 (fr) Systèmes, procédés et dispositifs de sélection de faisceau dans un système de communication sans fil
WO2007127796A1 (fr) Techniques de formation de faisceau et de reutilisation de polarisation pour systemes aeronautiques a large bande
CN114843742A (zh) 具有方位面中的全向覆盖的波束赋形天线
EP2092608B1 (fr) Diagrammes de rayonnement optimisés
US20180090853A1 (en) Transmit Device and Method Thereof
US11682842B1 (en) Log periodic array application of minature active differential/quadrature radiating elements
WO2004082070A1 (fr) Systeme et procede permettant de faire fonctionner une antenne reseau dans un reseau de communication sans fil reparti
KR20190117965A (ko) 밀리미터파용 균일 원형 배열 안테나
EP1356607A1 (fr) Detection de signaux mettant en oeuvre une antenne reseau a commande de phase

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08877831

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08877831

Country of ref document: EP

Kind code of ref document: A1