Patents Assigned to Andrew LLC
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Publication number: 20100087090Abstract: An insulator for supporting an inner contact within a coaxial cable connector; the coaxial cable connector for coupling with a coaxial cable having an outer conductor and an inner conductor. The insulator formed as a monolithic dielectric body provided with a mounting portion proximate a connector end, the mounting portion dimensioned to seat within a connector body of the coaxial cable connector. A bore through the dielectric body dimensioned to seat the inner contact therein provided with an annular first seal groove in an inner diameter of the bore proximate a cable end, an inner conductor seal disposed in the first seal groove. The inner conductor seal dimensioned to seal between the insulator and the inner conductor when the inner conductor is coupled to the inner contact.Type: ApplicationFiled: October 7, 2008Publication date: April 8, 2010Applicant: ANDREW LLCInventor: Nahid Islam
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Patent number: 7692601Abstract: The invention relates in part to a folded dipole having a dipole axis and a pair of arms which together have a profile which is concave on one side and convex on the other when viewed along the dipole axis. The dipoles may be arranged as a dipole box around a central region, typically in a generally circular or square configuration. Further elements may be placed in the dipole box or in the gaps between dipole boxes. The antenna may be a single-band antenna, or a multi-band antenna with the further elements operating in a different frequency band to the dipole boxes. The further elements may be concentric dipole boxes. The invention is particularly suited for use in a cellular base station panel antenna. A novel coaxial to microstrip transition is also described.Type: GrantFiled: November 13, 2003Date of Patent: April 6, 2010Assignee: Andrew LLCInventors: Peter John Bisiules, John Coult, Ching-Shun Yang, Joselito de la Cruz Gavilan, Gang Yi Deng, John Stewart Wilson
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Publication number: 20100079353Abstract: A reflector antenna mount for a reflector antenna with a primary mount coupled to a support arm. The primary mount rotatable in a first axis relative to the support arm. A secondary mount coupled to the primary mount; the secondary mount pivotable in a second axis relative to the primary mount. The reflector antenna coupled to a front side of the secondary mount; an electronics enclosure of the reflector antenna positioned on a back side of the secondary mount, the electronics enclosure coupled to the reflector antenna. A dielectric enclosure provided with a front face and a side surface coupled to the primary mount. The front face spaced away from the reflector antenna, outside of a range of motion of the directional antenna in the second axis.Type: ApplicationFiled: October 1, 2008Publication date: April 1, 2010Applicant: ANDREW LLCInventors: Junaid Syed, Chris Hills, Allan Tasker, Ian Renilson, Keith Tappin
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Patent number: 7688271Abstract: A dipole antenna comprising a base; first and second pairs of dipoles positioned in front of the base and arranged around a central region; a first feed line which extends from the base towards the dipoles and splits at a first junction positioned in front of the base into a first pair of feed probes each of which is coupled to a respective one of the first pair of dipoles; and a second feed line which extends from the base towards the dipoles and splits at a second junction positioned in front of the base into a second pair of feed probes each of which is coupled to a respective one of the second pair of dipoles. The feed probes are spaced from the dipoles so as to field-couple with the dipoles. In one embodiment, the first pair of feed probes is positioned on a first side of the dipoles and the second pair of feed probes is positioned on a second side of the dipoles opposite to the first side. In another embodiment, the dipoles are printed on a PCB.Type: GrantFiled: April 18, 2006Date of Patent: March 30, 2010Assignee: Andrew LLCInventors: Huy T. Cao, Kevin Eldon Linehan, Martin L. Zimmerman, Xiangyang Ai
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Patent number: 7672359Abstract: A received analog spread-spectrum signal is selectively attenuated prior to digitization, where the amount of attenuation is based on the amplitude of the digitized signal before the digitized signal is filtered to compensate for interference that may exist in the received signal. By selectively attenuating the signal only when the digitized signal is relatively large, the receiver can be implemented using a relatively small analog-to-digital converter (ADC) than would otherwise be the case for a particular signal processing application. Taking advantage of the signal-concentration characteristics of spread-spectrum receivers, embodiments of the present invention can be designed to operate with signal having negative signal-to-noise ratios at the A/D conversion step.Type: GrantFiled: January 28, 2004Date of Patent: March 2, 2010Assignee: Andrew LLCInventors: Dennis Cleary, Hayim Vitali Penso, Christopher F. Zappala
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Publication number: 20100041271Abstract: A coaxial cable connector formed via multi-shot injection molding has a body formed by multiple injection molding layers of different injection moldable materials about a central inner contact to form an integral connector body. The connector body is provided with a coaxial dielectric spacer of dielectric polymer surrounding the inner contact; a coaxial inner body of injection molded metal composition surrounding an outer diameter of the dielectric spacer; and an outer body of polymer surrounding the inner body. Interlock features provide axial and/or rotational interlock between the layers of the connector.Type: ApplicationFiled: September 14, 2009Publication date: February 18, 2010Applicant: ANDREW LLCInventors: Kendrick Van Swearingen, Nahid Islam
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Patent number: 7661984Abstract: A coaxial connector includes a clamp nut dimensioned to fit over the outer conductor, the clamp nut having threads that mate with corresponding threads on the connector body. A clamp element is positioned between the clamp nut and a leading edge of the outer conductor. The connector body having an annular wedge surface dimensioned to mate with the leading edge of the outer conductor. The threads draw the clamp nut towards the connector body, to clamp the leading edge between the clamp element and the annular wedge surface. A surface-to-surface positive stop between the clamp nut and the connector body limits the compression force to a predetermined maximum by preventing further movement of the clamp nut towards the connector body. A thread lock is engaged as the positive stop is reached; the thread lock inhibiting unthreading of the clamp nut from the connector body.Type: GrantFiled: January 7, 2009Date of Patent: February 16, 2010Assignee: Andrew LLCInventors: Norman S McMullen, Nahid Islam
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Patent number: 7659859Abstract: A multiband base station antenna for communicating with a plurality of terrestrial mobile devices is described. The antenna including one or modules, each module including a low frequency ring element; and a high frequency dipole element superposed with the low frequency ring element. The element includes a ground plane; and a feed probe directed away from the ground plane and having a coupling part positioned proximate to the ring to enable the feed probe to electromagnetically couple with the ring. A dielectric clip provides a spacer between the feed probe and the ring, and also connects the ring to the ground plane. An antenna element is also described including a ring, and one or more feed probes extending from the ring, wherein the ring and feed probe(s) are formed from a unitary piece.Type: GrantFiled: June 5, 2006Date of Patent: February 9, 2010Assignee: Andrew LLCInventors: Peter John Bisiules, Ching-Shun Yang
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Publication number: 20100029197Abstract: A repeater and associated method of use includes at least one antenna element for communicating in one direction and at least one antenna element for communicating in another direction. A radio frequency uplink path and a radio frequency downlink path are coupled between the antennas. At least one of the radio frequency uplink path or the radio frequency downlink path includes an adaptive cancellation circuit. The adaptive cancellation circuit is configured to generate a cancellation signal without requiring an injected signal. The cancellation signal, when added to a radio frequency signal in the respective uplink and downlink paths, substantially reduces feedback signals present in the radio frequency signal.Type: ApplicationFiled: August 10, 2009Publication date: February 4, 2010Applicant: ANDREW LLCInventors: Mano D. Judd, Breck W. Lovinggood, David T. Tennant, Gregory A. Maca, William P. Kuiper, James L. Alford, Michael D. Thomas, Jonathon C. Veihl
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Patent number: 7657266Abstract: A method for use in a wireless communication system with a network overlay geolocation system having a sparse deployment network in which base stations of the wireless communication system may or may not have a co-located wireless location sensor (WLS). The method uses U-TDOA measurements on the uplink (reverse) signal and E-OTD measurements on the downlink (forward) signals to estimate a location for a mobile appliance.Type: GrantFiled: July 20, 2009Date of Patent: February 2, 2010Assignee: Andrew LLCInventors: Joseph P. Kennedy, John P. Carlson, Martin Alles, Nicolas Graube, Robert Rowe
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Patent number: 7639198Abstract: An antenna comprising a reflective surface; and an array of dipole antenna elements disposed adjacent to the reflective surface. Each antenna element has a pair of arms which together define a dipole axis, and the dipole axis is tilted at an acute angle with respect to the reflective surface. The pair of arms may be dipole arms, or may be Yagi director arms. In some embodiments the dipole axis is tilted at an acute angle with respect to a feed axis. In some embodiments the antenna element comprises a feed portion defining a feed axis; and the feed portion has a mounting portion which is tilted at an acute angle with respect to the feed axis.Type: GrantFiled: December 29, 2005Date of Patent: December 29, 2009Assignee: Andrew LLCInventors: Igor E. Timofeev, Eddie Ray Bradley, Ky Q. Chau, Martin L. Zimmerman
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Patent number: 7639196Abstract: There is provided a cellular antenna allowing mechanical azimuth adjustment in combination with adjustment of one or more other antenna attribute such as electrical down tilt, electrical beam width or electrical azimuth adjustment. An integrated control arrangement is provided which can utilise either serial, wireless or RF feed lines to convey communications. A multiband embodiment provides azimuth adjustment for both bands by utilising mechanical and electrical azimuth adjustment. Systems incorporating such antennas and methods of controlling them are also provided.Type: GrantFiled: April 6, 2006Date of Patent: December 29, 2009Assignee: Andrew LLCInventors: Robert Douglas Elliot, Martin L. Zimmerman, Kevin Eldon Linehan, Peter Bruce Graham, Peter Mailandt, Louis John Meyer, Philip Sorells, Andrew Thomas Gray, Ching-Shun Yang
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Patent number: 7635283Abstract: A coaxial cable connector includes a back nut to be secured onto the coaxial cable and a connector housing to be coupled to the back nut. A center contact is to be coupled to the inner conductor. At least one insulator member is within the connector housing for carrying the center contact. Furthermore, a sealing ring is carried within the back nut. Also, a retaining ring is carried within the back nut rearwardly of the sealing ring and has a ring base and a plurality of fingers extending forwardly therefrom so that the sealing ring overlaps the plurality of fingers and urges the plurality of fingers radially inwardly onto the coaxial cable to thereby secure the back nut onto the coaxial cable.Type: GrantFiled: November 24, 2008Date of Patent: December 22, 2009Assignee: Andrew LLCInventor: Nahid Islam
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Patent number: 7632143Abstract: A connector to be attached to a coaxial cable includes a connector housing and a back nut defining a ramp to receive an outer conductor of the coaxial cable thereagainst. The connector housing and the back nut include respective portions defining a positive stop when fully engaged. An electrically conductive compressible coil spring compressibly clamps against the outer conductor opposite the ramp. The connector housing has a rearward portion threadingly received within a forward portion of said back nut. A center contact is to be coupled to the inner conductor. At least one insulator member is in the connector housing for carrying the center contact.Type: GrantFiled: November 24, 2008Date of Patent: December 15, 2009Assignee: Andrew LLCInventor: Nahid Islam
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Patent number: 7630327Abstract: A system and method of managing collection and maintenance of performance data for a wireless communications network including collecting configuration data for the network, encoding the collected configuration data and storing the data, collecting a transmitted signal, measuring a parameter of the collected signal, and encoding and storing the parameter. These steps are repeated for additional configurations of the network. The transmitted signals are transmitted by a base station or a mobile device. Further, the transmitted signals are collected by a base station or a mobile device.Type: GrantFiled: July 13, 2006Date of Patent: December 8, 2009Assignee: Andrew LLCInventor: John Arpee
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Patent number: 7627333Abstract: A method for use in a wireless communication system with a network overlay geolocation system having a sparse deployment network in which base stations of the wireless communication system may or may not have a co-located wireless location sensor (WLS). The method uses U-TDOA measurements on the uplink (reverse) signal and E-OTD measurements on the downlink (forward) signals to estimate a location for a mobile appliance.Type: GrantFiled: December 20, 2004Date of Patent: December 1, 2009Assignee: Andrew LLCInventors: Joseph P. Kennedy, John P. Carlson, Martin Alles, Nicolas Graube, Robert Rowe
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Patent number: 7627327Abstract: Embodiments of a system and method are disclosed that enable geo-location of a mobile appliance (20) communicating over a frequency hopping air interface for a network overlay geolocation system having plural wireless location sensors (30). The wireless location sensors (30) include a radio receiver channel capable of receiving the forward channels of the air interface transmitted from the base station (10) to the mobile appliance (20). The network overlay geo-location system of the present disclosure monitors these forward channels and measures parameters that allow the geolocation system to synchronize with the hopping of the air interface on the reverse channel. The plurality of sensors measure an attribute of a signal on the reverse channel to thereby enable geo-location. Synchronization can also be reference to a stable system clock and the plurality of sensors may be tuned in reference to the system clock to enable measurement of the frequency hopping reverse channel.Type: GrantFiled: October 16, 2003Date of Patent: December 1, 2009Assignee: Andrew LLCInventors: Joseph P. Kennedy, Jr., John P. Carlson, Thomas B. Gravely, Bob Brickhouse
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Patent number: 7623868Abstract: A multi-band wireless access point includes a first antenna system including at least one antenna and having a first effective range for communicating with subscribers using a first communications protocol and a second antenna system including a plurality of antennas generally co-located with the first antenna system and having a second effective range for communicating with subscribers using a second communications protocol whereby the first and the second effective ranges are effectively coextensive. Moreover, each of the plurality of antennas in the second antenna system has a greater directivity than the at least one antenna in the first antenna system to compensate for a difference in propagation of the second communications protocol relative to the first communications protocol.Type: GrantFiled: September 16, 2002Date of Patent: November 24, 2009Assignee: Andrew LLCInventors: Mano D. Judd, Andria Van Der Merwe, Gregory A. Maca
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Publication number: 20090278622Abstract: An impedance adapter with body and cap portions coupled together encloses a cavity with a printed circuit board (PCB). The PCB is provided with a trace on a first side and a ground plane on a second side. The trace is coupled to a first contact at a first end of the PCB and a second contact at a second end of the PCB. The trace has a sinuous path between the first contact and the second contact, the path longer than a longitudinal axis length of the PCB. The first and second contacts are supported coaxial within the inner conductor bore of the respective cap portion and body portion by first and second end insulators. The ground plane coupled to the body portion and the cap portion. A method of manufacture for the adapter includes steps of pre-assembling the PCB, contacts and insulators before insertion into the cavity.Type: ApplicationFiled: April 15, 2009Publication date: November 12, 2009Applicant: ANDREW LLCInventors: Pratibha Chaulagai Phuyal, Kendrick Van Swearingen, Albert Cox, Jeffrey D. Paynter
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Patent number: 7616168Abstract: A method and system for increasing an isolation characteristic of a crossed dipole pair, dual polarized antenna can include a feedback system comprising a feedback element for generating a feedback signal in response to a transmitted RF signal produced by each radiating elements of a crossed dipole pair, dual polarized antenna. The feedback element may improve the isolation characteristic of RF signals between two different polarizations. The dimensions and spacing of the feedback element relative to an antenna may provide for optimal feedback signals. The feedback element can have a length, width, and thickness wherein the length and width are usually larger than the thickness dimension. A fastening mechanism of the inventive feedback system for coupling the feedback element to the antenna can include materials that allow for high speed production of antenna arrays using with the feedback system.Type: GrantFiled: August 28, 2006Date of Patent: November 10, 2009Assignee: Andrew LLCInventor: James K. Tillery