Patents Assigned to Andrew LLC
  • Patent number: 8805400
    Abstract: A system and method for estimating a location of a subscriber station receiving a first signal from a first base station and receiving a second signal from a second base station where the first and second base stations are nodes in a WiMAX or LIE network. A message may be received from the subscriber station containing first and second information, and a range ring determined from the first base station using the first information. A location hyperbola may be determined using the second information wherein the location hyperbola has the first and second base stations as foci. A location of the subscriber station may be estimated using the range ring and the location hyperbola.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: August 12, 2014
    Assignee: Andrew, LLC
    Inventors: Tariqul Islam, John Carlson
  • Patent number: 8801460
    Abstract: A connector with a capacitively coupled connector interface for interconnection with a female portion is provided with an annular groove, with a sidewall, open to an interface end of the female portion. A male portion is provided with a male outer conductor coupling surface at an interface end, covered by an outer conductor dielectric spacer. A waveguide path between the male outer conductor coupling surface and the female portion, while in the interlocked position, may extend from the outer conductor dielectric spacer to an exterior of the interconnection through an s-bend in a radial direction, to improve RF isolation. Alternatively and/or additionally an overbody may be provided as an RF absorbing chamber including RF absorbing material and which may include a plurality of RF absorbing chambers isolated from one another, where multiple interconnections are present.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: August 12, 2014
    Assignee: Andrew LLC
    Inventors: Kendrick Van Swearingen, Jeffrey Paynter, Ronald Vaccaro
  • Patent number: 8797226
    Abstract: A cellular communication antenna has a base with a length that exceeds its width and an inside surface with internal mounts for a plurality of electrical components that generate heat when in operation. A top encapsulates the electrical components and incorporates a radome. A plurality of fins are mounted on the outside surface of the base. They may be non-parallel with the length of the base. They may all be substantially the same length. They are further constructed and arranged to be in thermal communication with the electrical components such that heat generated by the electrical components is dissipated by the fins. Each fin may be in thermally conductive communication with more than one electrical component.
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: August 5, 2014
    Assignee: Andrew LLC
    Inventor: Matthew Ferris
  • Publication number: 20140213105
    Abstract: An inner contact of a coaxial connector has a body with a plurality of spring fingers, the spring fingers each provided with a contact surface. A plurality of transitions from the contact surfaces are provided as curved surfaces. The curved surfaces may be formed, for example, by chamfer, electrical discharge machining or the like, such that an edge to a slot between the spring fingers does not contact the contact surface.
    Type: Application
    Filed: January 25, 2013
    Publication date: July 31, 2014
    Applicant: ANDREW LLC
    Inventors: Ronald Alan VACCARO, John PALAC
  • Patent number: 8792583
    Abstract: In one embodiment, a non-linear power amplifier generates an amplified output signal based on a pre-distorted signal generated by a digital pre-distorter based on an input signal. A feedback path generates a feedback waveform based on the amplified output signal. The feedback waveform is aligned in time with the input signal at the waveform level to identify a corresponding reference waveform. The feedback waveform and the corresponding reference waveform are both divided into a plurality of sub-waveforms. Each feedback sub-waveform is independently aligned in phase with its corresponding reference sub-waveform. The resulting plurality of phase-aligned feedback sub-waveforms are then combined to form a hybrid-aligned waveform that is compared to the reference waveform to adaptively update the digital pre-distorter.
    Type: Grant
    Filed: February 10, 2012
    Date of Patent: July 29, 2014
    Assignee: Andrew LLC
    Inventor: George P. Vella-Coleiro
  • Publication number: 20140201989
    Abstract: In a method for attaching a connector to a coaxial cable a solder preform is placed upon an end of an outer conductor of the cable. A connector body of the connector is seated upon an interface pedestal and the end of the outer conductor is inserted into a bore of the connector body against the interface pedestal. The outer conductor, the connector body and the interface pedestal contribute sidewalls to form a solder cavity, and the solder preform is heated. A seat may be applied to the interface pedestal to provide a thermal barrier and/or enhanced seal characteristics that are cost efficiently replaceable upon degradation.
    Type: Application
    Filed: January 24, 2013
    Publication date: July 24, 2014
    Applicant: ANDREW LLC
    Inventors: Jeffery PAYNTER, James FLEMING
  • Patent number: 8787942
    Abstract: A system and method for estimating a location of a wireless device receiving signals from plural nodes of a communications network. A wireless device may be directed to transmit a first signal having one or more predetermined parameters. At one or more location measurement units (“LMU”) an uplink time of arrival (“TOA”) measurement between the wireless device and one or more of the plural nodes or LMUs may be determined as a function of the first signal transmitted from the wireless device. Downlink signal measurements of signals received by the wireless device may be collected, and a location of the wireless device determined as a function of the uplink TOA measurements and the collected downlink signal measurements.
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: July 22, 2014
    Assignee: Andrew LLC
    Inventors: Ariful Hannan, Tariqul Islam
  • Patent number: 8786494
    Abstract: A method of modifying calibration data used to geo-locate a mobile station located in an indoor environment is disclosed. When a mobile station is located indoors, the signal strength of signals received and/or transmitted by the mobile station have the tendency to be lower than the strength of the signals received by a mobile station located outdoors. As a result of these lower signal strengths, geo-location efforts which rely on signal strengths may result in unsatisfactory location accuracy. Modifying pre-existing calibration data obtained outdoors may provide a way to simulate indoor calibration data characteristics.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: July 22, 2014
    Assignee: Andrew LLC
    Inventors: Martin Alles, John Carlson, George Maher, Selcuk Mazlum
  • Patent number: 8787429
    Abstract: A communication system and method for extending coverage of a base transceiver station. The communication system includes processing circuitry that receives a communication signal over a wireless channel. The received communication signal is processed through an adaptable equalizer to reduce noise, distortion, interference, and frequency errors. In another aspect of the invention, a frequency of a reference signal in the communication system is adjusted to compensate for frequency errors between the communication system and the source of the communication signal. The equalized and frequency adjusted communication signal is then retransmitted into an extended coverage area. Wireless coverage is thereby provided between a base transceiver station and a mobile device in the extended coverage area.
    Type: Grant
    Filed: June 19, 2012
    Date of Patent: July 22, 2014
    Assignee: Andrew LLC
    Inventors: Milun Jovanovic, Alfons Dussmann, Thomas Kummetz
  • Publication number: 20140198684
    Abstract: Certain aspects are directed to an interceptor system for characterizing digital data communicated between certain points in a telecommunication system. The interceptor system includes an interface device and a processing device. The interface device can retrieve data from at least one communication link between a radio frequency processing unit and a baseband processing unit of a telecommunication system. The data includes digital data communicated between the radio frequency processing unit and the baseband processing unit. The processing device can determine an interface link protocol for communicating with terminal equipment via the telecommunication system. The interface link protocol can be determined based on an organization of the data retrieved from the communication link.
    Type: Application
    Filed: March 15, 2013
    Publication date: July 17, 2014
    Applicant: ANDREW LLC
    Inventors: Thomas B. Gravely, Morgan C. Kurk, Oluwatosin O. Osinusi
  • Patent number: 8774717
    Abstract: A Master Antenna Controller System is provided. In one example, the Master Antenna Controller System comprises a handheld wireless device and a RET Master. The handheld wireless device may comprise an Android OS or iOS based smartphone or tablet that includes Wi-Fi capabilities communications capabilities. The RET Master may provide full RET control based on the AISG 1.1 and 2.0 standards and communicate with the handheld wireless device via a wireless access point, such as a Wi-Fi server. The combination may be configured to provide extensive, screen-guided, intuitive RET diagnostics functionality. The RET Master itself may also include multiple different pre-defined tests (e.g. test one actuator, test one RET cable, test AISG signal from TMA) and also some standard electrical tests, e.g. measuring voltage, current etc. Additional higher-level functions may be provided on an Application on the handheld wireless device and communicated to the RET Master wirelessly or by USB connection.
    Type: Grant
    Filed: March 19, 2012
    Date of Patent: July 8, 2014
    Assignee: Andrew LLC
    Inventors: Matthew D. Ferris, Elmer O. Freeman, Bobby W. Webb, Holger Raeder
  • Publication number: 20140177760
    Abstract: Embodiments of the invention provide a method, distributed antenna system, and components that generate a jitter reduced clock signal from a binary encoded data stream transmitted over a communication medium. The method includes receiving a modulated signal that includes the binary encoded data stream and generating a recovered clock signal that is phase locked to the binary encoded data stream. The method further comprises generating a stable recovered clock signal by filtering the recovered clock signal to remove jitter, while allowing the clock signal to track long-term drift.
    Type: Application
    Filed: February 26, 2014
    Publication date: June 26, 2014
    Applicant: ANDREW LLC
    Inventors: Donald Robert McAllister, Christopher Goodman Ranson, Fred William Phillips
  • Patent number: 8762519
    Abstract: A system and method for determining the location of a target device attached to an access network connected to a location server, the location server having a plurality of access networks connected thereto. A location request may be received for a target device whereby the target device is identified as a function of one or more parameters. An access network may be identified from the plurality of access networks to which the target device is attached as a function of the one or more parameters. Each access network in the plurality of access networks connected to the location server may be assigned one or more logical identifiers by which an individual location request may be allocated to the respective access network. An estimated location of the target device may then be determined as a function of the one or more logical identifiers using a location algorithm appropriate for the identified access network.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: June 24, 2014
    Assignee: Andrew LLC
    Inventors: Martin Thomson, James Winterbottom, Gary Neil Justusson, Eddy Corbett
  • Patent number: 8758053
    Abstract: A coaxial connector is provided with a connector body coupled to a connector coupling body. A slip ring is provided within a bore of the connector coupling body. An outer conductor groove of the connector body is open to a cable end of the connector body. A contact surface is provided on an inner sidewall of the outer conductor groove. A spring contact is provided between the slip ring and the connector body and a stabilizing assembly is coupled to a cable end of the connector coupling body. The axial advance of the connector coupling body towards the connector body drives the slip ring against the coil spring to clamp a leading edge of the outer conductor inserted into the outer conductor groove against the contact surface. The stabilizing assembly grips a jacket of the coaxial cable, stabilizing the interconnection. Methods of manufacture and interconnection are also disclosed.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: June 24, 2014
    Assignee: Andrew LLC
    Inventors: Jeffrey Paynter, Nahid Islam
  • Patent number: 8760361
    Abstract: A polarization adjustment assembly for a reflector antenna is provided with a radio bracket with a mounting flange. The mounting flange is coupled to a hub provided with a stop portion. Fasteners couple the radio bracket to the hub via slots in the mounting flange, rotatable with respect to the hub within the extents of the slots. An adjustment bolt passes through a boss coupled to the mounting flange. The adjustment bolt abuts the stop portion, whereby longitudinal displacement of the adjustment bolt with respect to the boss rotates the radio bracket with respect to the hub. Alternatively, the positions of the boss and stop portion on the mounting flange and hub may be exchanged.
    Type: Grant
    Filed: September 20, 2010
    Date of Patent: June 24, 2014
    Assignee: Andrew LLC
    Inventors: Matthew Lewry, Junaid Syed, Keith Tappin, Chris Hills
  • Publication number: 20140162547
    Abstract: A signal repeating system for a wireless network includes signal repeating circuitry defining an uplink path for processing signals repeated between endpoints. The signal repeating circuitry includes circuitry for selectively varying at least one parameter of the signals that are processed in the uplink path. Circuitry evaluates how signals received in the uplink path of the signal repeating system respond to the variation of the signal parameter. Processing circuitry is configured for comparing a signal associated with the variation of the signal parameter with the evaluated response to determine if the variation causes a change in the uplink path signal response for detecting traffic in the uplink path.
    Type: Application
    Filed: February 14, 2014
    Publication date: June 12, 2014
    Applicant: ANDREW LLC
    Inventor: Thomas Kummetz
  • Publication number: 20140159977
    Abstract: Ultra-wideband 180° hybrids for feeding a radiator of one band of a dual-band dual-polarization cellular basestation antenna are disclosed. The hybrid comprises: metal plates configured in parallel as groundplanes, and a dielectric substrate disposed between plates. First and second metallizations are implemented on opposite exterior surfaces of substrate and are shorted together to keep metal tracks at same potential to form conductor. Plates and first and second metallizations form first stripline circuit implementing matched splitter with short-circuit shunt stub Sum input port is provided at one end and two output ports are provided at opposite ends. Branches of matched splitter narrow to provide gap between output tracks. Third metallization is disposed within substrate. First, second and third metallizations form second stripline circuit. Tracks of third metallization comprise quarter-length transformers of different widths.
    Type: Application
    Filed: March 14, 2013
    Publication date: June 12, 2014
    Applicant: Andrew LLC
    Inventor: Andrew LLC
  • Patent number: 8747152
    Abstract: A connector with a capacitively coupled connector interface for interconnection with a female portion is provided with an annular groove, with a sidewall, open to an interface end of the female portion. A male portion is provided with a male outer conductor coupling surface at an interface end, covered by an outer conductor dielectric spacer. A waveguide path between the male outer conductor coupling surface and the female portion, while in the interlocked position, extends from the outer conductor dielectric spacer to an exterior of the interconnection through an S-bend in a radial direction, to improve RF isolation. The male outer conductor coupling surface is dimensioned to seat, spaced apart from the sidewall by the outer conductor dielectric spacer, within the annular groove, when the male portion and the female portion are in an interlocked position.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: June 10, 2014
    Assignee: Andrew LLC
    Inventors: Kendrick Van Swearingen, Jeffrey Paynter, Ronald Vaccaro
  • Publication number: 20140152389
    Abstract: A (e.g., Doherty) circuit with carrier and peaking amplifier paths, has an independently controlled, variable phase shifter in each of those signal processing paths that is controlled to compensate for distortion resulting from operating at frequencies that are relatively far from the optimal (e.g., center) frequency of the circuit's operating bandwidth.
    Type: Application
    Filed: July 25, 2011
    Publication date: June 5, 2014
    Applicant: Andrew LLC
    Inventor: Simon H. Hamparian
  • Patent number: 8744504
    Abstract: A method of deploying a distributed antenna system (DAS) is provided. The method comprises outputting first and second signals from a multiple-input and multiple-output base station (MIMO BTS) and coupling a master unit to the MIMO BTS. The method further comprises coupling first and second remote units to the master unit, the first remote unit communicating the first signal over a first air interface located within the environment at a first location, the second remote unit communicating the second signal over a second air interface within the environment at a second location. The first and second remote units are arranged at the first and second locations within the environment and configured to provide signal coverage of both the first signal and the second signal at a third location in the environment to provide the capacity for MIMO communications through the system at the third location.
    Type: Grant
    Filed: February 11, 2011
    Date of Patent: June 3, 2014
    Assignee: Andrew LLC
    Inventors: Pier Faccin, Luigi Tarlazzi