公开(公告)号：US20040113851A1

公开(公告)日：2004-06-17

申请号：US10348202

申请日：2003-01-20

Applicant: Tantivy Communications, Inc.

Inventor： Griffin K. Gothard ,  Kenneth M. Gainey ,  Bing Chiang

IPC: H01Q001/24

CPC classification number: H01Q19/32 ,  H01Q3/446 ,  H01Q19/10

Abstract: An active antenna element to transmit and/or receive RF (Radio Frequency) signals is positioned in relation to a backplane that reflects RF signals. One or more passive antenna elements can be disposed on a similar side of the backplane as the active antenna element. Settings of the one or more passive antenna elements are adjusted to produce an input/output beam pattern that varies depending on whether the at least one passive antenna element is reflective or transmissive. Based on this technique, an RF input output beam pattern of an antenna assembly including the backplane, active antenna element and passive antenna elements can be controlled for better reception and transmission of RF signals.

Abstract translation: 发射和/或接收RF（射频）信号的有源天线元件相对于反射RF信号的背板被定位。 一个或多个无源天线元件可以作为有源天线元件设置在背板的类似侧上。 调整一个或多个无源天线元件的设置以产生根据至少一个无源天线元件是反射型还是透射型而变化的输入/输出波束图案。 基于该技术，可以控制包括背板，有源天线元件和无源天线元件的天线组件的RF输入输出波束图案，以便更好地接收和传输RF信号。

公开(公告)号：US20040080381A1

公开(公告)日：2004-04-29

申请号：US10691198

申请日：2003-10-22

Applicant: Tantivy Communications, Inc.

Inventor： Bing Chiang ,  James A. Proctor JR. ,  Kenneth M. Gainey

IPC: H01P001/18

CPC classification number: H01P1/185

Abstract: A varactor based phase shifter that increases phase shift range using a lower characteristic impedance between quadrature ports than is used at its input/output ports. The circuit makes use of a four port coupler arrangement that imbeds a quarter wave impedance transformation between the input port and the quadrature ports as well as between the quadrature ports and the output port. The characteristic impedance across the quadrature ports is therefore less than the characteristic impedance across the input and output ports. In one implementation, reducing a characteristic input/output impedance of 50 to a 20 ohm quadrature port impedance results in a phase shift range increase of more than 50%.

Abstract translation: 基于变容二极管的移相器，使用正交端口之间的较低特性阻抗比在其输入/输出端口使用的相位移范围更大。 该电路利用四端口耦合器布置，其在输入端口和正交端口之间以及正交端口和输出端口之间嵌入四分之一波阻抗变换。 因此，正交端口之间的特性阻抗小于输入和输出端口上的特性阻抗。 在一个实现中，将特性输入/输出阻抗降低到20欧姆正交端口阻抗导致相移范围增加超过50％。

公开(公告)号：US20030048226A1

公开(公告)日：2003-03-13

申请号：US10146501

申请日：2002-05-14

Applicant: Tantivy Communications, Inc.

Inventor： Griffin K. Gothard ,  Bing Chiang ,  Christopher A. Snyder ,  Kenneth M. Gainey ,  James A. Proctor JR.

IPC: H01Q001/48 ,  H01Q021/00

CPC classification number: H01Q1/38 ,  H01Q3/24 ,  H01Q3/26 ,  H01Q9/28 ,  H01Q9/285 ,  H01Q9/40 ,  H01Q19/10 ,  H01Q21/061 ,  H01Q21/062 ,  H01Q21/29

Abstract: An antenna with a first conductive element positioned in an lower region of the antenna, and a second conductive element positioned above the first conductive element in an upper region of the antenna. One of the conductive elements is an active element that transmits and receives signals, while the other element is a ground element.

Abstract translation: 天线，其具有位于天线的下部区域中的第一导电元件，以及位于天线的上部区域中的第一导电元件上方的第二导电元件。 导电元件之一是发送和接收信号的有源元件，而另一元件是接地元件。

公开(公告)号：US20020036595A1

公开(公告)日：2002-03-28

申请号：US09846693

申请日：2001-05-01

Applicant: Tantivy Communications, Inc.

Inventor： Bing Chiang ,  James A. Proctor JR. ,  Griffin K. Gothard ,  Kenneth M. Gainey ,  Joe T. Richeson

IPC: H01Q003/24 ,  H01Q021/00

CPC classification number: H01Q3/242 ,  H01Q19/32 ,  H01Q21/205

Abstract: A directive antenna includes plural antenna elements in an antenna assemblage. A feed network connected to the antenna elements includes at least one switch to select a state of one of the antenna elements to be in an active state in response to a control signal. The other antenna elements are in a passive state, electrically coupled to an impedance to be in a reflective mode. The antenna elements in the passive state are electromagnetically coupled to the active antenna element, allowing the antenna assemblage to directionally transmit and receive signals. The directive antenna may further include an assisting switch associated with each antenna element to assist coupling the antenna elements, while in the passive state, to the respective impedances. The antenna assemblage may be circular for a 360null discrete scan in N directions, where N is the number of antenna elements. The directive antenna is suitable for use in a high data rate network having greater than 50 kbits per second data transfer rates, where the high data rate network may use CDMA2000, 1 eV-DO, 1Extreme, or other such protocol.

Abstract translation: 指示天线包括天线组合中的多个天线元件。 连接到天线元件的馈电网络包括至少一个开关，用于响应于控制信号选择一个天线元件处于活动状态的状态。 其他天线元件处于被动状态，电耦合到处于反射模式的阻抗。 处于被动状态的天线元件与有源天线元件电磁耦合，允许天线组件定向发射和接收信号。 指示天线还可以包括与每个天线元件相关联的辅助开关，以帮助天线元件在被动状态下耦合到相应的阻抗。 天线组合可以是N个方向上的360°离散扫描的圆形，其中N是天线元件的数量。 指令天线适用于高数据速率网络，每秒数据传输速率大于50 kbits，高数据速率网络可能使用CDMA2000,1 eV-DO，1Extreme或其他此类协议。

公开(公告)号：US20040150568A1

公开(公告)日：2004-08-05

申请号：US10357276

申请日：2003-01-31

Applicant: Tantivy Communications, Inc.

Inventor： Bing Chiang ,  Griffin K. Gothard ,  Christopher A. Snyder ,  William R. Palmer ,  Michael Lynch ,  Thomas Gorsuch ,  Kenneth Gainey ,  James A. Proctor JR.

IPC: H01Q001/24 ,  H01Q021/12

CPC classification number: H01Q3/446 ,  H01Q1/24 ,  H01Q9/16 ,  H01Q9/30 ,  H01Q19/30 ,  H01Q19/32

Abstract: An antenna array that uses at least two passive antennas and one active antenna disposed above a ground plane, but electrically isolated from the ground plane, and a respective resonant strip positioned beneath each passive antenna. The passive antenna elements are positioned about the active element, and each of the at least two passive antenna elements is individually set to a reflective or a transmissive mode to change the characteristics of an input/output beam pattern of the antenna apparatus.

Abstract translation: 一种天线阵列，其使用至少两个无源天线和一个设置在接地平面上方但与接地平面电隔离的有源天线以及位于每个无源天线之下的相应的谐振条。 无源天线元件围绕有源元件定位，并且至少两个无源天线元件中的每一个单独设置为反射或透射模式，以改变天线装置的输入/输出波束图案的特性。

公开(公告)号：US20040125036A1

公开(公告)日：2004-07-01

申请号：US10664413

申请日：2003-09-17

Applicant: Tantivy Communications, Inc.

Inventor： Bing Chiang ,  Kenneth M. Gainey ,  James A. Proctor JR. ,  Antoine J. Rouphael ,  Griffin K. Gothard ,  Michael J. Lynch

IPC: H01Q003/00

CPC classification number: H01Q3/2641 ,  H01Q1/22 ,  H01Q1/2258 ,  H01Q9/16 ,  H01Q19/26 ,  H01Q19/32 ,  H01Q21/08 ,  H01Q21/20 ,  H01Q21/29

Abstract: An antenna assembly includes at least two active or main radiating omni-directional antenna elements arranged with at least one beam control or passive antenna element used as a reflector. The beam control antenna element(s) may have multiple reactance elements that can electrically terminate it to adjust the input or output beam pattern(s) produced by the combination of the active antenna elements and the beam control antenna element(s). More specifically, the beam control antenna element(s) may be coupled to different terminating reactances to change beam characteristics, such as the directivity and angular beamwidth. Processing may be employed to select which terminating reactance to use. Consequently, the radiator pattern of the antenna can be more easily directed towards a specific target receiver/transmitter, reduce signal-to-noise interference levels, and/or increase gain by using Radio Frequency (RF), Intermediate Frequency (IF), or baseband processing. A Multiple-Input, Multiple-Output (MIMO) processing technique may be employed to operate the antenna assembly with simultaneous beam patterns.

Abstract translation: 天线组件包括至少两个有源或主辐射全向天线元件，其布置有用作反射器的至少一个光束控制或无源天线元件。 波束控制天线元件可以具有多个电抗元件，其可以电气端接它，以调节由有源天线元件和波束控制天线元件的组合产生的输入或输出波束图案。 更具体地，波束控制天线元件可以耦合到不同的终止电抗以改变诸如方向性和角波束宽度的波束特性。 可以使用处理来选择要使用的终止电抗。 因此，通过使用射频（RF），中频（IF）或更高的频率，可以更容易地将天线的辐射器模式引向特定目标接收器/发射器，降低信噪比干扰电平和/或增加增益 基带处理。 可以采用多输入多输出（MIMO）处理技术来操作具有同时波束图案的天线组件。

公开(公告)号：US20020101376A1

公开(公告)日：2002-08-01

申请号：US09773251

申请日：2001-01-31

Applicant: Tantivy Communications, Inc.

Inventor： Griffin K. Gothard ,  Bing Chiang ,  Christopher A. Snyder

IPC: H01Q001/38 ,  H01Q001/48

CPC classification number: H01Q9/40 ,  H01Q1/38 ,  H01Q3/24 ,  H01Q3/26 ,  H01Q19/10 ,  H01Q21/061

Abstract: A monopole antenna for use with a mobile subscriber unit in a wireless network communications system. The antenna includes a radiating element located near a feed point to minimize transmission delay from the feed point to the element, and a ground patch located above the element to force the beam peak down towards the horizon. The antenna is fabricated with printed circuit board (PCB) photo-etching techniques for precise control of the printed structure. The monopole antenna includes a planar substrate made of dielectric material. A conductive planar element is layered on one side of the substrate, and a conductive planar ground patch is layered on the other side of the substrate. The conductive planar element is located in a lower region of the substrate, while the location of the conductive planar ground patch is offset from the conductive planar element in an upper region of the substrate, that is, the ground patch is stacked above the conductive planar element. The feed point is typically connected to a transmission line for transmitting signals to and receiving signals from the antenna. A strip is connected to the conductive planar ground patch and extends from the patch to a bottom edge of the substrate for coupling the ground patch to a ground plane upon which the antenna is mounted.

Abstract translation: 用于与无线网络通信系统中的移动用户单元一起使用的单极天线。 天线包括位于馈电点附近的辐射元件，以最小化从馈电点到元件的传输延迟，以及位于元件上方的地面贴片，以迫使光束峰值朝向水平线向下。 天线采用印刷电路板（PCB）光蚀刻技术制造，用于精确控制印刷结构。 单极天线包括由介电材料制成的平面基板。 导电平面元件层叠在基板的一侧上，并且导电平面接地片层叠在基片的另一侧上。 导电平面元件位于衬底的下部区域中，而导电平面接地片的位置偏离衬底的上部区域中的导电平面元件，即，接地片堆叠在导电平面上方 元件。 馈电点通常连接到用于向天线发送信号并从天线接收信号的传输线。 条带连接到导电平面接地片，并从贴片延伸到衬底的底部边缘，用于将接地片耦合到安装天线的接地平面上。

公开(公告)号：US20020008672A1

公开(公告)日：2002-01-24

申请号：US09859001

申请日：2001-05-16

Applicant: Tantivy Communications, Inc.

Inventor： Griffin K. Gothard ,  Alton S. Keel JR. ,  Christopher A. Snyder ,  Bing Chiang ,  Joe T. Richeson ,  Douglas H. Wood ,  James A. Proctor JR. ,  Kenneth M. Gainey

IPC: H01Q021/00

CPC classification number: H01Q3/446 ,  H01Q1/246 ,  H01Q3/2605

Abstract: An antenna apparatus which can increase capacity in a cellular communication system. The antenna operates in conjunction with a mobile subscriber unit and provides a plurality of antenna elements. At least one active antenna element is active and essentially centrally located within multiple passive antenna elements. The passive antenna elements are coupled to selectable impedance components. Through proper control of the passive antenna elements, the cellular communication system directs an antenna beam pattern toward an antenna tower of a base station to maximize gain, and, consequently, signal-to-noise ratio. Thus, optimum reception is achieved during, for example, an idle mode which receives a pilot signal. The antenna array creates a beamformer for signals to be transmitted from the mobile subscriber unit, and a directional receiving array to more optimally detect and receive signals transmitted from the base station. By directionally receiving and transmitting signals, multipath fading is greatly reduced as well as intercell interference. Various techniques for determining the proper phase of each antenna element are accommodated.

Abstract translation: 一种能增加蜂窝通信系统容量的天线装置。 天线与移动用户单元结合操作并提供多个天线元件。 至少一个有源天线元件是有源的，并且基本上居中地位于多个无源天线元件内。 无源天线元件耦合到可选阻抗元件。 通过对无源天线元件的适当控制，蜂窝通信系统将天线波束图案引向基站的天线塔，以使增益最大化，从而使信噪比更高。 因此，在例如接收导频信号的空闲模式期间实现最佳接收。 天线阵列创建用于从移动用户单元发送的信号的波束形成器，以及用于更好地检测和接收从基站发送的信号的定向接收阵列。 通过定向接收和发送信号，多径衰落大大降低以及小区间干扰。 适用于确定每个天线元件的适当相位的各种技术。

公开(公告)号：US20040046694A1

公开(公告)日：2004-03-11

申请号：US10390531

申请日：2003-03-14

Applicant: Tantivy Communications, Inc.

Inventor： Bing Chiang ,  Christopher A. Snyder ,  Griffin K. Gothard ,  David C. Jorgenson

IPC: H01Q003/00

CPC classification number: H01Q1/242 ,  H01Q1/245 ,  H01Q3/24 ,  H01Q3/44 ,  H01Q9/16 ,  H01Q9/30 ,  H01Q19/30 ,  H01Q19/32

Abstract: A mobile communication handset includes at least one passive antenna element and an active antenna element adjacent to the passive antenna elements protruding from a housing. The active element is coupled to electronic radio communication circuits and the passive antenna elements are coupled to circuit elements that affect the directivity of communication signals coupled to the antenna elements.

Abstract translation: 移动通信手机包括至少一个无源天线元件和与从壳体突出的无源天线元件相邻的有源天线元件。 有源元件耦合到电子无线电通信电路，并且无源天线元件耦合到影响耦合到天线元件的通信信号的方向性的电路元件。

公开(公告)号：US20030210204A1

公开(公告)日：2003-11-13

申请号：US10282955

申请日：2002-10-28

Applicant: Tantivy Communications, Inc.

Inventor： Bing Chiang ,  William R. Palmer ,  Griffin K. Gothard ,  Christopher A. Snyder

IPC: H01Q021/00 ,  H01Q003/24

CPC classification number: H01Q9/28 ,  H01Q1/08 ,  H01Q1/241 ,  H01Q3/446 ,  H01Q3/46 ,  H01Q9/285 ,  H01Q9/38 ,  H01Q19/28 ,  H01Q19/30 ,  H01Q19/32 ,  H01Q21/062 ,  H01Q21/205

Abstract: A directional antenna having a number, N, of outlying monopole antenna elements. These monopole elements are formed as a first upper conductive segment on a portion of a dielectric substrate. The array also includes the same number, N, of image elements. The image elements are formed as a second set of lower conductive segments on the same substrate as the upper conductive segments. The image elements, generally having the same length and shape as the monopole elements, are connected to a ground reference potential. To complete the array, an active antenna element is also disposed on the same substrate, adjacent to at least one of the monopole elements. In a preferred arrangement, the passive monopole elements and corresponding image elements are selectively connected to operate to in either a reflective or directive mode, such as via a switchable coupling circuit that selectively changes the impedances connected between them.

Abstract translation: 具有N个外围单极天线元件的定向天线。 这些单极元件形成为介电基片的一部分上的第一上导电段。 该阵列还包括相同数量的N个图像元素。 图像元件形成为与上导电段相同的衬底上的第二组下导电段。 通常具有与单极元件相同的长度和形状的图像元件连接到接地参考电位。 为了完成阵列，有源天线元件也设置在与至少一个单极元件相邻的同一衬底上。 在优选的布置中，无源单极子元件和对应的图像元件被选择性地连接以在反射或指向模式中操作，诸如经由可选择的耦合电路，其选择性地改变它们之间连接的阻抗。