CN1046597C - 具有螺旋天线阵列和波导的平面天线 - Google Patents
具有螺旋天线阵列和波导的平面天线 Download PDFInfo
- Publication number
- CN1046597C CN1046597C CN94115991A CN94115991A CN1046597C CN 1046597 C CN1046597 C CN 1046597C CN 94115991 A CN94115991 A CN 94115991A CN 94115991 A CN94115991 A CN 94115991A CN 1046597 C CN1046597 C CN 1046597C
- Authority
- CN
- China
- Prior art keywords
- waveguide
- antenna
- feed
- sub
- helical
- 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.)
- Expired - Fee Related
Links
- 239000000523 sample Substances 0.000 claims description 18
- 230000001939 inductive effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims 1
- 230000010287 polarization Effects 0.000 abstract description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920006327 polystyrene foam Polymers 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229920006328 Styrofoam Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000008261 styrofoam Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
-
- 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
- H01Q21/061—Two dimensional planar arrays
- H01Q21/067—Two dimensional planar arrays using endfire radiating aerial units transverse to the plane of the array
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0031—Parallel-plate fed arrays; Lens-fed arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
- H04B7/18569—Arrangements for system physical machines management, i.e. for construction operations control, administration, maintenance
- H04B7/18571—Arrangements for system physical machines management, i.e. for construction operations control, administration, maintenance for satellites; for fixed or mobile stations
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
Abstract
一种用于卫星通信的改进型平面天线,它能够提供较高的孔径效率、改进圆极化强度和增加产品适应性。该天线包括一个波导和一个M×N螺旋天线单元的阵列,其中M和N是整数。波导包括一个主馈波导和一组M个副馈波导,其中M个副馈波导的每一个设置有N个螺旋天线单元,每个副馈波导通过一个孔耦合到主馈波导,以致从每个副馈波导中N个螺旋天线单元所接收的信号在主馈波导处组合。
Description
本发明涉及一种用于接收直接广播卫星(DBS)电视信号的平面天线,并且更特别涉及一种能够提供增强孔径效率、改进圆极化强度和增加产品适应性的改进平面天线。
接收来自卫星的大约12GHz载波频率的直接广播信号需要一个具有高增益和低轴比的圆极化天线。最近,已经提出了各种类型的平面天线用于这个频率范围的DBS接收。该平面天线由一个天线单元的阵列构成,每个天线单元都能接收12GHz信号。由于构成阵列的这些天线单元必须能够接收短波,例如大约2.5cm的信号,因此,它们必须是小尺寸和需要大量的这种天线单元,以便对满意的电视图象提供足够的能量。
在美国专利4,680,591和4,907,012中描述了两种平面天线,每个平面天线包括一个具有探针的螺旋天线单元的阵列、探针位于呈矩形截面的普通谐振腔内。该谐振腔用于组合来自各单元具有低损耗的所有输出。更具体地说,在美国专利4,907,012中,在天线中提供有四个向内突出的支衬,其中,每个支衬被设置在沿腔侧边的中间,以激励形成不同模式的驻波,从而改进了天线阵的频率特性。在英国专利2,227,369中描述了一种圆极化平面天线,包括第一平面导板和与第一导板平行的第二导板,多个天线单元位于第二导板上的孔中,使得天线的一端延伸到两个导板之间的空间,以及一个输出装置。欧洲专利0,209,156公开了一种平面天线,包括第一有槽的波导和第二波导,第二波导合有位于一金属板上的二维槽阵列用以在各槽上形成发射单元。
然而,由于这些天线使用谐振腔以组合来自各单元的输出形成驻波,各天线单元就必须精确地排列,因而将降低产品适应性。
因此,本发明的主要目的是提供一种改进的平面天线,它能够提供较高的孔径效率、改进圆极化强度和增加产品适应性。
根据本发明提供的一种具有螺旋天线阵列和波导的平面天线,用于接收来自卫星的直接广播信号,包括:一个装有一个顶、一个底、一对水平连续边和一对垂直连续边的天线波导,并且,所述天线波导包括一个主馈波导和一组M个副馈波导,M为整数,其中每个副馈波导具有一对边和二个端,副馈波导相互以边靠边被放置,最外副馈波导之一具有作为它一个边的波导的垂直连续边对之一,每个副馈波导通过位于其一端的孔耦合到主馈波导,并且在另一端与所述天线波导的水平连续边对之一相邻接,每个副馈波导的孔被设置在每个副馈波导的同一端,并且联接每个副馈波导的该端被设置在每个副馈波导的同一端,从而将主馈波导限制到没有被一组M个副馈波导占据的所述天线波导的部分;一个M×N螺旋天线单元阵列,N为整数,每个螺旋天线单元包括一个螺旋天线和一个与其相连的探针,并且通过天线波导的顶部压入副馈波导之一,其中M个副馈波导的每一个设置有N个螺旋天线单元,从而形成了M×N螺旋天线单元的阵列;一组M个电感柱与每个副馈波导联结,每个电感柱被耦合到每个孔,并位于主馈波导中;和
一个与主馈波导耦合的输出装置,用于从那里输出信号,其特征在于:其中每个螺旋天线相对于垂直方向上它的一个或二个最近邻接的螺旋天线的相位差为90°和相对于水平方向上它的一个或二个最近邻接的螺旋天线的相位差为180°,压入每个副馈波导的每个探针的长度根据预定的以它离开位于其端的孔逐渐增加,和每个副馈波导的孔根据预调的以它离开副馈波导逐渐变窄,副馈波导具有作为它一个边的所述波导的垂直连续边对之。
本发明上述和另一个目的和特征从下面结合附图的优选实施例的描述中将变得明显了。其中,
图1表示根据本发明的平面天线的透视图;
图2说明根据图1所示的A-A线的剖面图,其中部为简明起见而被省略;
图3为图1所示的天线的平面图,表示天线波导和螺旋天线单元的结构;和
图4描绘了根据图3所示的B-B线所取的部分剖面图;
本发明提供一种改进的平面天线,包括一个波导和一个M×N螺旋天线单元的阵列。该波导包括主馈波导和一组M个副馈波导,其中M个副馈波导的每一个设置有N个螺旋天线单元,每个副馈波导通过一个孔耦合到主馈波导,以致在每个副馈波导中从N螺旋天线单元所接收的信号在主馈波导被组合。
在图1中所示的天线组件100包括一个天线波导200、一个完全封闭天线波导200的顶表面的盖300和一个输出探针400。
根据本发明的一个优选实施例提供的一个天线波导200包括一个主馈波导20、9个副馈波导11到19,和12×9螺旋天线单元,每一个副馈波导具有12个螺旋天线单元。
天线组件100被设计成特别适合于接收供普通DBS网络使用的格式信号,以致天线组件100具有多个螺旋天线单元31到39,用于接收圆极化信号,并且天线波导200用于传送所接收的信号。
一个从螺旋天线单元31到39所接收的信号通过天线波导200耦合到输出探针400,通过输出探针400将接收的信号耦合到接收机(未表示)。
参照图2,它表示了按照图1所示的A-A线所取的天线组件100的剖面图。天线波导200由顶板210、底板220、侧壁230和240所限定。每个螺旋天线单元34包括具有例如两圈的螺旋部分41和与其连结的探针42,探针42位于副馈波导例如14内。压入例如14的每个探针42的长度为H1。压入副馈波导14的每个探针42的长度H1按在探针与位于副馈波导14的右端的孔44之间距离的增加而逐渐增加。用这种方法,在所有螺旋天线单元34和副馈波导14之间提供一个均匀电耦合,以致被螺旋天线单元34接收的所有电场信号分量均匀地传送到副馈波导14。副馈波导14被导电衬54和孔44所限定,导电衬54由例如在由绝缘材料,例如丙烯腈丁二烯苯乙烯共聚物树脂(ABS)制成的板210、220、230的内表面上的铝合金、铜、金、镍或银制成。副馈波导14的高度优选为9.525mm。
为了在副馈波导14的顶板210上牢固地安装螺旋天线单元34,每个螺旋天线单元34,在狭窄部分中间的螺旋部分41和探针42被强迫装到副馈波导14的顶板210的衬套43。虽然衬套43紧紧夹住螺旋天线单元34的狭窄位置足以防止在正常使用期间的移动,而螺旋天线单元34在相对于衬套43的两个方向上都能滑动,以允许波导14的调节。
副馈波导14通过孔44耦合到图1所示的主馈波导20,它被在电绝缘材料例如ABS树脂制成的板210、220和240的内表面(测量宽度W1为19.05mm和高度H3为9.525mm)上的导电衬21(例如铝合金、铜、金、镍或银)和孔44所限定。主馈波导20用于组合来自副馈波导11至19的所有输出。主馈波导20也包括一个从底板220延伸到顶板210的电感柱60。电感柱60用于在主馈波导20和副馈波导14之间的阻抗匹配,从而有效地减少了在它们耦合部分的反射辐射能量。
螺旋天线单元34被盖300所覆盖,盖300包括天线罩310和聚苯乙烯泡沫层320。聚苯乙烯泡沫层320封闭了螺旋天线单元34,以便提供支撑和使损坏风险率到最小。聚苯乙烯泡沫层320是一种极低介电常数和低射频损耗的材料,以致它的存在对天线信号接收性能有微小的影响。天线罩310由防水塑料材料例如ABS树脂制成,以防止吸水。
参照图3,表示了除去盖300的天线组件100的平面图。如图2所示,波导200设置有底板220、顶板210和由一对水平连续板240和260与一对垂直连续板230和250组成的四个侧板230、240、250和260。当平行于底板220切割时,天线波导220具有一个横截面,除了向内突出的输出探针部分290被板270和280限定外,横截面的形状基本上呈矩形。天线波导200包括主馈波导20和9个副馈波导11到19,每个副馈波导都具有固定长度L1和固定宽度W1。每个副馈波导12被一对侧板71、72、260和孔44所限定。副馈波导11具有作为它侧表面之一的波导200的水平连续板230。每个副馈波导11到19通过孔44耦合到主馈波导20。
副馈波导11到19设置有相同数目螺旋天线单元。每个螺旋天线相对于纵向方向上它的一个或两个最近邻接螺旋天线的相位差为90°,和相对于水平方向上它的五个最近邻接螺旋天线的相位差为180°。每个副馈波导11到19的孔44根据标准的以它离于侧壁230逐渐变窄。
一组9个电感柱60位于主馈波导20中,每一个电感柱60被耦合到它的各自的孔。在距离和其孔宽度之间的关系被大致确定后,每个电感柱60和相应的孔之间距离随其相应的孔宽度而增加。在这个方法中提供了良好的阻抗匹配,从而大大减小了在主馈波导20和副馈波导11到19之间耦合部分的反射辐射能量。
如上所述,从多个螺旋天线单元接收的辐射信号耦合到每个副馈波导11到19和从副馈波导11到19的输出通过电感柱60在主馈波导20处组合。
参照图4,表示了按照图3所示的B-B线所取的天线组件100的剖面图,普通的低噪声块下变频器(LNB)电路80位于顶板210的端部和由侧板240和顶板270支承,它能够使高频信号变换成低频信号。用于从主馈波导20输出组合信号的输出探针400直接耦合到LNB电路80,并且通过底板220向下延伸以便连接到接收机。LNB电路80的输入探针81通过顶板210位于主馈波导中,在这个方法中,来自主波导的组合信号通过LNB电路80耦合到天线的输出探针400,以便把接收信号送到具有正确相位关系的电视接收机。
Claims (2)
1.一种具有螺旋天线阵列和波导的平面天线,用于接收来自卫星的直接广播信号,该天线包括:
一个装有一个顶、一个底、一对水平连续边和一对垂直连续边的天线波导,并且,所述天线波导包括一个主馈波导和一组M个副馈波导,M为整数,其中每个副馈波导具有一对边和二个端,副馈波导相互以边靠边被放置,最外副馈波导之一具有作为它一个边的波导的垂直连续边对之一,每个副馈波导通过位于其一端的孔耦合到主馈波导,并且在另一端与所述天线波导的水平连续边对之一相邻接,每个副馈波导的孔被设置在每个副馈波导的同一端,并且联接每个副馈波导的该端被设置在每个副馈波导的同一端,从而将主馈波导限制到没有被一组M个副馈波导占据的所述天线波导的部分;
一个M×N螺旋天线单元阵列,N为整数,每个螺旋天线单元包括一个螺旋天线和一个与其相连的探针,并且通过天线波导的顶部压入副馈波导之一,其中M个副馈波导的每一个设置有N个螺旋天线单元,从而形成了M×N螺旋天线单元的阵列;
一组M个电感柱与每个副馈波导联结,每个电感柱被耦合到每个孔,并位于主馈波导中;和
一个与主馈波导耦合的输出装置,用于从那里输出信号,
其特征在于:其中每个螺旋天线相对于垂直方向上它的一个或二个最近邻接的螺旋天线的相位差为90°和相对于水平方向上它的一个或二个最近邻接的螺旋天线的相位差为180°,压入每个副馈波导的每个探针的长度根据预定的以它离开位于其端的孔逐渐增加,和每个副馈波导的孔根据预调的以它离开副馈波导逐渐变窄,副馈波导具有作为它一个边的所述波导的垂直连续边对之一。
2.根据权利要求1的具有螺旋天线阵列和波导的平面天线,其特征在于还包括:一个包括天线罩和保护层的盖,完全封闭了包含螺旋天线单元的阵列。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR93-14873 | 1993-07-31 | ||
KR1019930014873A KR0147035B1 (ko) | 1993-07-31 | 1993-07-31 | 개선된 헤리컬 와이어 배열 평면안테나 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1101761A CN1101761A (zh) | 1995-04-19 |
CN1046597C true CN1046597C (zh) | 1999-11-17 |
Family
ID=19360586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN94115991A Expired - Fee Related CN1046597C (zh) | 1993-07-31 | 1994-07-30 | 具有螺旋天线阵列和波导的平面天线 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5539421A (zh) |
EP (1) | EP0637095B1 (zh) |
JP (1) | JPH07176950A (zh) |
KR (1) | KR0147035B1 (zh) |
CN (1) | CN1046597C (zh) |
DE (1) | DE69421341D1 (zh) |
Families Citing this family (129)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5874927A (en) * | 1996-10-21 | 1999-02-23 | Knowles; Patrick J. | Tilted element antenna having increased effective aperture and method therefor |
CA2225225C (en) * | 1997-12-18 | 2005-06-28 | Marcel Saucier | Satellite antenna system |
WO2000001089A1 (de) * | 1998-06-26 | 2000-01-06 | Siemens Aktiengesellschaft | Interaktives asymmetrisches mobiles kommunikationsnetz |
US6097293A (en) * | 1999-04-15 | 2000-08-01 | Industrial Technology, Inc. | Passive electrical marker for underground use and method of making thereof |
US6388575B1 (en) | 1999-11-05 | 2002-05-14 | Industrial Technology, Inc. | Addressable underground marker |
US6380857B1 (en) | 2000-10-16 | 2002-04-30 | Industrial Technology, Inc. | Self leveling underground marker |
WO2002084797A1 (en) * | 2001-04-12 | 2002-10-24 | Marius Du Plessis | Antenna |
JP4763167B2 (ja) * | 2001-07-25 | 2011-08-31 | 古野電気株式会社 | ヘリカルアンテナおよびヘリカルアンテナアレイ |
US7420522B1 (en) | 2004-09-29 | 2008-09-02 | The United States Of America As Represented By The Secretary Of The Navy | Electromagnetic radiation interface system and method |
KR100744610B1 (ko) * | 2005-06-07 | 2007-08-02 | 장애인표준사업장비클시스템 주식회사 | 경사각에서 최대효율을 갖는 위상배열 안테나 |
US8289214B2 (en) | 2007-05-17 | 2012-10-16 | Omron Corporation | Array antenna |
US9525524B2 (en) | 2013-05-31 | 2016-12-20 | 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 |
US8897697B1 (en) | 2013-11-06 | 2014-11-25 | At&T Intellectual Property I, Lp | Millimeter-wave surface-wave communications |
FR3013905B1 (fr) * | 2013-11-28 | 2017-05-19 | Thales Sa | Structure antennaire compacte pour telecommunications par satellites |
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 |
US10063280B2 (en) | 2014-09-17 | 2018-08-28 | At&T Intellectual Property I, L.P. | Monitoring and mitigating conditions in a communication network |
US20210391890A1 (en) * | 2014-09-30 | 2021-12-16 | Vayyar Imaging Ltd. | Reference signal distribution in multi-module systems |
US9615269B2 (en) | 2014-10-02 | 2017-04-04 | 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 |
US9503189B2 (en) | 2014-10-10 | 2016-11-22 | At&T Intellectual Property I, L.P. | Method and apparatus for arranging communication sessions in a communication system |
US9973299B2 (en) | 2014-10-14 | 2018-05-15 | At&T Intellectual Property I, L.P. | Method and apparatus for adjusting a mode of communication in a communication network |
US9780834B2 (en) | 2014-10-21 | 2017-10-03 | At&T Intellectual Property I, L.P. | Method and apparatus for transmitting electromagnetic waves |
US9312919B1 (en) | 2014-10-21 | 2016-04-12 | At&T Intellectual Property I, Lp | Transmission device with impairment compensation and methods for use therewith |
US9577306B2 (en) | 2014-10-21 | 2017-02-21 | At&T Intellectual Property I, L.P. | Guided-wave transmission device and methods for use therewith |
US9627768B2 (en) | 2014-10-21 | 2017-04-18 | At&T Intellectual Property I, L.P. | Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith |
US9653770B2 (en) | 2014-10-21 | 2017-05-16 | At&T Intellectual Property I, L.P. | Guided wave coupler, coupling module 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 |
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 |
US9544006B2 (en) | 2014-11-20 | 2017-01-10 | At&T Intellectual Property I, L.P. | Transmission device with mode division multiplexing 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 |
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 |
US10009067B2 (en) | 2014-12-04 | 2018-06-26 | At&T Intellectual Property I, L.P. | Method and apparatus for configuring a communication interface |
US9461706B1 (en) | 2015-07-31 | 2016-10-04 | At&T Intellectual Property I, Lp | Method and apparatus for exchanging communication signals |
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 |
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 |
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 |
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 |
US9490869B1 (en) | 2015-05-14 | 2016-11-08 | At&T Intellectual Property I, L.P. | Transmission medium having multiple cores 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 |
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 |
US10812174B2 (en) | 2015-06-03 | 2020-10-20 | At&T Intellectual Property I, L.P. | Client node device 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 |
US9866309B2 (en) | 2015-06-03 | 2018-01-09 | At&T Intellectual Property I, Lp | Host node device 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 |
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 |
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 |
US9640850B2 (en) | 2015-06-25 | 2017-05-02 | At&T Intellectual Property I, L.P. | Methods and apparatus for inducing a non-fundamental wave mode on a transmission medium |
US9509415B1 (en) | 2015-06-25 | 2016-11-29 | At&T Intellectual Property I, L.P. | Methods and apparatus for inducing a fundamental wave mode on a transmission medium |
US10044409B2 (en) | 2015-07-14 | 2018-08-07 | At&T Intellectual Property I, L.P. | Transmission medium and methods for use therewith |
US9853342B2 (en) | 2015-07-14 | 2017-12-26 | At&T Intellectual Property I, L.P. | Dielectric transmission medium connector and methods for use therewith |
US10148016B2 (en) | 2015-07-14 | 2018-12-04 | At&T Intellectual Property I, L.P. | Apparatus and methods for communicating utilizing an antenna array |
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 |
US9628116B2 (en) | 2015-07-14 | 2017-04-18 | At&T Intellectual Property I, L.P. | Apparatus and methods for transmitting wireless signals |
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 |
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 |
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 |
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 |
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 |
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 |
DE102016101583B4 (de) * | 2016-01-29 | 2017-09-07 | Lisa Dräxlmaier GmbH | Radom |
US9860075B1 (en) | 2016-08-26 | 2018-01-02 | At&T Intellectual Property I, L.P. | Method and communication node for broadband distribution |
US10811767B2 (en) | 2016-10-21 | 2020-10-20 | At&T Intellectual Property I, L.P. | System and dielectric antenna with convex dielectric radome |
US10374316B2 (en) | 2016-10-21 | 2019-08-06 | At&T Intellectual Property I, L.P. | System and dielectric antenna with non-uniform dielectric |
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 |
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 |
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 |
US10340601B2 (en) | 2016-11-23 | 2019-07-02 | At&T Intellectual Property I, L.P. | Multi-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 |
US10535928B2 (en) | 2016-11-23 | 2020-01-14 | At&T Intellectual Property I, L.P. | Antenna system and methods for use therewith |
US10340603B2 (en) | 2016-11-23 | 2019-07-02 | At&T Intellectual Property I, L.P. | Antenna system having shielded structural configurations for assembly |
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 |
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 |
US10637149B2 (en) | 2016-12-06 | 2020-04-28 | At&T Intellectual Property I, L.P. | Injection molded dielectric antenna 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 |
US10020844B2 (en) | 2016-12-06 | 2018-07-10 | T&T Intellectual Property I, L.P. | Method and apparatus for broadcast communication via guided 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 |
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 |
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 |
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 |
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 |
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 |
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 |
US9893795B1 (en) | 2016-12-07 | 2018-02-13 | At&T Intellectual Property I, Lp | Method and repeater for broadband distribution |
US10168695B2 (en) | 2016-12-07 | 2019-01-01 | At&T Intellectual Property I, L.P. | Method and apparatus for controlling an unmanned aircraft |
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 |
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 |
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 |
US9998870B1 (en) | 2016-12-08 | 2018-06-12 | At&T Intellectual Property I, L.P. | Method and apparatus for proximity sensing |
US10601494B2 (en) | 2016-12-08 | 2020-03-24 | At&T Intellectual Property I, L.P. | Dual-band communication device and method 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 |
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 |
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 |
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 |
US10777873B2 (en) | 2016-12-08 | 2020-09-15 | At&T Intellectual Property I, L.P. | Method and apparatus for mounting network devices |
US10326689B2 (en) | 2016-12-08 | 2019-06-18 | At&T Intellectual Property I, L.P. | Method and system for providing alternative communication paths |
US10103422B2 (en) | 2016-12-08 | 2018-10-16 | At&T Intellectual Property I, L.P. | Method and apparatus for mounting network devices |
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 |
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 |
CN106902465A (zh) * | 2017-02-24 | 2017-06-30 | 西北工业大学 | 一种基于螺旋天线的微波聚焦球面阵列天线 |
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 |
CN107482311B (zh) * | 2017-08-23 | 2023-05-16 | 西南交通大学 | 螺旋天线系统 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0209156A2 (en) * | 1985-07-19 | 1987-01-21 | Kabushiki Kaisha Toshiba | Planar antenna with patch radiators |
GB2227369A (en) * | 1989-01-18 | 1990-07-25 | Tdk Corp | A circular polarization antenna system |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3701162A (en) * | 1964-03-24 | 1972-10-24 | Hughes Aircraft Co | Planar antenna array |
GB8317938D0 (en) * | 1983-07-01 | 1983-08-03 | Emi Ltd | Antenna |
US4618865A (en) * | 1984-09-27 | 1986-10-21 | Sperry Corporation | Dielectric trough waveguide antenna |
GB8624984D0 (en) * | 1986-10-17 | 1986-11-19 | Emi Plc Thorn | Antenna |
JP2733472B2 (ja) * | 1988-02-19 | 1998-03-30 | 有限会社ラジアルアンテナ研究所 | 導波管スロット・アンテナ及びその製造方法並びに導波管の結合構造 |
JPH0831742B2 (ja) * | 1989-11-08 | 1996-03-27 | 三菱電機株式会社 | アンテナ装置 |
JP2506514B2 (ja) * | 1991-06-06 | 1996-06-12 | 八木アンテナ株式会社 | 平面アンテナ |
JPH0817289B2 (ja) * | 1991-06-07 | 1996-02-21 | 久松 中野 | カールアンテナ素子及びカールアンテナ装置 |
-
1993
- 1993-07-31 KR KR1019930014873A patent/KR0147035B1/ko not_active IP Right Cessation
-
1994
- 1994-07-30 CN CN94115991A patent/CN1046597C/zh not_active Expired - Fee Related
- 1994-08-01 EP EP94111997A patent/EP0637095B1/en not_active Expired - Lifetime
- 1994-08-01 JP JP6180323A patent/JPH07176950A/ja active Pending
- 1994-08-01 DE DE69421341T patent/DE69421341D1/de not_active Expired - Lifetime
- 1994-08-01 US US08/284,027 patent/US5539421A/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0209156A2 (en) * | 1985-07-19 | 1987-01-21 | Kabushiki Kaisha Toshiba | Planar antenna with patch radiators |
GB2227369A (en) * | 1989-01-18 | 1990-07-25 | Tdk Corp | A circular polarization antenna system |
Also Published As
Publication number | Publication date |
---|---|
JPH07176950A (ja) | 1995-07-14 |
KR0147035B1 (ko) | 1998-08-17 |
CN1101761A (zh) | 1995-04-19 |
EP0637095A1 (en) | 1995-02-01 |
KR950004632A (ko) | 1995-02-18 |
DE69421341D1 (de) | 1999-12-02 |
EP0637095B1 (en) | 1999-10-27 |
US5539421A (en) | 1996-07-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1046597C (zh) | 具有螺旋天线阵列和波导的平面天线 | |
US5053786A (en) | Broadband directional antenna | |
EP1842265B1 (en) | High efficiency antenna and related manufacturing process | |
US7026993B2 (en) | Planar antenna and array antenna | |
US5086304A (en) | Flat phased array antenna | |
EP0132945B1 (en) | Antenna | |
EP0965151B1 (en) | Apparatus for receiving and transmitting radio signals | |
KR0184529B1 (ko) | 슬롯 안테나 및 원편파 에너지 수신 방법 | |
CN109980329B (zh) | 一种宽带双极化天线 | |
WO2001048857A2 (en) | Low profile waveguide network for antenna array | |
WO2004109853A1 (en) | Antenna system | |
EP0277207A1 (en) | Flat phased array antenna | |
CN113300089A (zh) | 低频振子、天线阵列与天线装置 | |
EP1033782B1 (en) | Monopole antenna | |
US6181293B1 (en) | Reflector based dielectric lens antenna system including bifocal lens | |
KR20020093048A (ko) | 빔 스캐닝용 평면 안테나 | |
WO2001004993A1 (en) | Arrangement for use in an antenna array for transmitting and receiving at least one frequency in at least two polarizations | |
CN112889183B (zh) | 波束控制天线结构和包括所述结构的电子设备 | |
EP0686313B1 (en) | Antenna system | |
CZ285794B6 (cs) | Plošná anténa | |
JP3185406B2 (ja) | 平面アンテナ | |
CN114128041A (zh) | 双极化天线元件和天线阵列 | |
KR20060017281A (ko) | 위성방송 수신용 평면안테나 | |
EP4358306A1 (en) | Dual polarization antenna and dual polarization antenna assembly comprising same | |
JP3490400B2 (ja) | アンテナ装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |