Patents Assigned to Andrew LLC
  • Publication number: 20130038411
    Abstract: A stripline RF transmission cable has a flat inner conductor surrounded by a dielectric layer that is surrounded by an outer conductor. A jacket with an attachment feature surrounds the outer conductor. The attachment feature may be a fin aligned parallel or normal to the inner conductor. The attachment feature may be continuous or periodic along a longitudinal extent of the cable. The attachment feature may include male and female portions dimensioned to couple with one another, enabling adjacent cables to be attached to one another.
    Type: Application
    Filed: August 9, 2012
    Publication date: February 14, 2013
    Applicant: ANDREW LLC
    Inventors: Ronald Alan Vaccaro, Jeffrey D. Paynter, Frank A. Harwath, Alan Neal Moe, Kendrick Van Swearingen, Scott M. Adams
  • Patent number: 8374784
    Abstract: A method and apparatus for estimating a location of a device. For each of a plurality of locations of a device, a set of positional data is determined from signals received from a plurality of satellites. The positional data is filtered and compared with data from a road network database. This comparison may be a function of a distance from at least one point defined by a set of the filtered positional data to a road in the road network database and an angle between a line representing a best fit for plural points defined by corresponding plural sets of the filtered positional data to a line defined by a road in the road network database.
    Type: Grant
    Filed: August 3, 2011
    Date of Patent: February 12, 2013
    Assignee: Andrew LLC
    Inventors: Selcuk Mazlum, John Carlson, Martin Alles, George Maher
  • Patent number: 8365404
    Abstract: A coaxial connector for interconnection with a coaxial cable with a solid outer conductor by ultrasonic welding is provided with a monolithic connector body with a bore. An annular flare seat is angled radially outward from the bore toward a connector end of the connector, the annular flare seat open to the connector end of the connector. An inner conductor cap is provided for interconnection with an inner conductor of the coaxial cable by ultrasonic welding. The ultrasonic welding of each of the inner and outer conductor interconnections may be performed via inner conductor and outer conductor sonotrodes which are coaxial with one another, without requiring the cable and or connector to be removed from their fixture.
    Type: Grant
    Filed: June 15, 2011
    Date of Patent: February 5, 2013
    Assignee: Andrew LLC
    Inventor: Kendrick Van Swearingen
  • Publication number: 20130017863
    Abstract: Certain aspects are directed to a base station router disposed in a distributed antenna system. The base station router includes a backplane and a controller. The backplane can manage an availability of sectors for coverage zones. Each sector can include communication channels to be radiated to mobile devices in the coverage zones and can represent an amount of telecommunication capacity. The controller can respond to a traffic indicator by causing the backplane to redistribute the availability of at least one sector. The sector can be redistributed from a first coverage zone to a second coverage zone.
    Type: Application
    Filed: July 11, 2012
    Publication date: January 17, 2013
    Applicant: ANDREW LLC
    Inventors: Thomas Kummetz, Matthew Melester, Stefan Eisenwinter, Morgan Kurk
  • Publication number: 20130012230
    Abstract: A system and method of determining calibration data at non-calibrated location points is disclosed. A mobile station may be geo-located at most locations, if not all locations, within communication range of one or more serving and/or neighboring base stations of a mobile network. Calibration data may be collected and stored in memory via a data collection procedure. Known calibration data for locations proximate to the mobile station may be necessary when attempting to geo-locate the mobile station. A geographical region may be calibrated via a standard calibration data collection procedure, however, various obstacles, such as, buildings, mountains, ponds etc. may inevitably create deficiencies in the calibration data for one or more areas of the region. Certain techniques may be applied to estimate the calibration data of areas that have not been properly calibrated.
    Type: Application
    Filed: September 12, 2012
    Publication date: January 10, 2013
    Applicant: Andrew, LLC
    Inventors: Martin Alles, John Carlson, George Maher, Selcuk Mazlum
  • Patent number: 8350756
    Abstract: A method implemented by an assisted Global Navigation Satellite System (GNSS) server determines a position of a GNSS receiver. The method includes sending a request for measurement information to the GNSS receiver at a first time and receiving the measurement information from the GNSS receiver in response to the request at a second time, where the measurement information includes position measurement data and a corresponding measured time based on satellite signals received by the GNSS receiver. The measured time is determined to be erroneous when it is outside an accurate time range determined based on at least one of the first time and the second time. A substitute time is identified and the position of the GNSS receiver is determined based on the substitute time when the measured time is erroneous.
    Type: Grant
    Filed: June 15, 2010
    Date of Patent: January 8, 2013
    Assignee: Andrew LLC
    Inventors: Martin Wyville Thomson, Neil Lindsay Harper
  • Patent number: 8351851
    Abstract: An apparatus for repeating signals includes a receive antenna for receiving input signals, processing circuitry for processing the input signals to form repeated signals, and a transmit antenna for transmitting the repeated signals. The processing circuitry includes an adaptive digital filter configured to generate cancellation signals that are added to the input signals to cancel unwanted feedback signals from the input signals. A frequency shifting circuit adds a frequency shift to the input signals, after the addition of the cancellation signals, to form repeated signals that are frequency shifted from the input signals. A digital signal processor is coupled to the adaptive digital filter for digitally adapting the filter. The digital signal processor utilizes the frequency shift of the transmission signals to adapt the adaptive digital filter.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: January 8, 2013
    Assignee: Andrew LLC
    Inventors: Chris Ranson, Van Hanson, Thomas Kummetz
  • Publication number: 20130002515
    Abstract: A band clamp for coupling a radome to a distal end of a reflector dish for improving the front to back ratio of a reflector antenna, is provided with an inward projecting proximal lip and an inward projecting distal lip. The distal lip is dimensioned with an inner diameter equal to or less than a reflector aperture of the reflector dish. The proximal lip may be provided with an inward bias dimensioned to engage the reflector dish in an interference fit and/or turnback region dimensioned to engage an outer surface of a signal area of the reflector dish in an interference fit. A variety of different configurations of protruding portions extending from the band clamp may be applied to further improve electrical performance.
    Type: Application
    Filed: August 31, 2012
    Publication date: January 3, 2013
    Applicant: ANDREW LLC
    Inventors: Chris HILLS, Alastair D. WRIGHT, Ian Renilson
  • Patent number: 8341838
    Abstract: A coupling body for a coaxial connector is dimensioned to couple with connector body at a connector end. An inner body of the coupling body is provided with a bore dimensioned to receive the coaxial cable. The inner body is formed of transparent material partially covered in an opaque material. An uncovered portion of the inner body functions as a visual installation portal. Methods of installation include inserting the coaxial cable into the cable end of the bore of the inner body until a desired portion of a prepared end of the coaxial cable is visible.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: January 1, 2013
    Assignee: Andrew LLC
    Inventor: David R. Low
  • Patent number: 8346160
    Abstract: A signal repeating system for a wireless network includes an antenna configured for transceiving signals between a base station and a user equipment device. Repeating circuitry is coupled to the antenna and defines an uplink path for signals from the user equipment device to the base station and a downlink path for signals from the base station to the user equipment device. The repeating circuitry includes gain circuitry and gain control circuitry that is coupled to the gain circuitry. The gain control circuitry is operable for varying the gain of the repeating circuitry according to a waveform. Measurement circuitry measures the receive power in the uplink path over time from the user equipment device. Processing circuitry cross-correlates the inverted gain variation waveform with the measured receive power for determining the existence of traffic from user equipment devices in the uplink path.
    Type: Grant
    Filed: May 12, 2010
    Date of Patent: January 1, 2013
    Assignee: Andrew LLC
    Inventor: Thomas Kummetz
  • Patent number: 8346091
    Abstract: A distributed antenna system is provided for communicating with a plurality of base stations. The distributed antenna system includes a system controller and a master unit communicating with at least one of the plurality of base stations. A remote unit communicates over a high data rate media with the master unit and/or a downstream remote unit. Alternatively, the distributed antenna system includes a controller and a digital time/space crosspoint switch controlled by the controller. A digitizing transceiver is in communication with the digital time/space crosspoint switch. The crosspoint switch is configured to transmit and receive digital data through the digitizing transceiver.
    Type: Grant
    Filed: April 29, 2009
    Date of Patent: January 1, 2013
    Assignee: Andrew LLC
    Inventors: Thomas Kummetz, Donald McAllister, Carmine Pagano, Hongju Yan, Dennis M. Cleary, Van Hanson, Mathias Schmalisch, Stefan Eisenwinter
  • Patent number: 8336197
    Abstract: A tool is for attaching a coaxial cable connector to a coaxial cable by longitudinal compression of the coaxial cable connector. The tool includes a tool body defining therein a connector compression chamber and a plunger receiving chamber longitudinally adjacent thereto. A plunger having a plunger head is within the plunger receiving chamber and a plunger shaft extends outwardly therefrom, the plunger having a bore to receive an end of an inner conductor of the coaxial cable. A handle carried by the tool body is movable from a retracted position to a compressed position for driving the plunger head to longitudinally compress the coaxial cable connector within the connector compression chamber to attach the coaxial cable connector to the coaxial cable. A seating indicator is carried by the bore for contacting the inner conductor of the coaxial cable to indicate seating of the coaxial cable into the coaxial cable connector.
    Type: Grant
    Filed: January 26, 2009
    Date of Patent: December 25, 2012
    Assignee: Andrew, LLC
    Inventor: David Jones
  • Patent number: 8340683
    Abstract: A system and method for estimating a location of wireless devices transmitting signals on channels in a communications system having a plurality of nodes and a plurality of Location Measurement Units (“LMU”). A first plurality of signals from a first channel may be received by one or more of the plural LMUs and a second plurality of signals from a second channel may be received by one or more of the plural LMUs. The received first and second plural signals may be converted into first and second digital signals and then divided into first and second sets of frequency bins, the first and second sets of bins corresponding to the respective channel. Each of the divided signals may be correlated with one or more reference signals, and the correlated signals stored in a database for estimating a location of one or more wireless devices.
    Type: Grant
    Filed: September 21, 2009
    Date of Patent: December 25, 2012
    Assignee: Andrew, LLC
    Inventor: Tariqul Islam
  • Publication number: 20120317800
    Abstract: A method for making a coaxial cable including an inner conductor, an outer conductor, and a dielectric material layer therebetween may include forming the inner conductor by at least forming a bimetallic strip into a tubular bimetallic layer having a pair of longitudinal edge portions at a longitudinal seam. The bimetallic strip may include an inner metal layer and an outer metal layer bonded thereto and coextensive therewith. Each of the longitudinal edge portions may be folded over. The method may also include forming a welded joint between adjacent portions of the folded over longitudinal edge portions and defining surplus material at the welded joint. The method may further include removing the surplus material at the welded joint and forming the dielectric material layer surrounding the inner conductor. The method may also include forming the outer conductor surrounding the dielectric material layer.
    Type: Application
    Filed: August 28, 2012
    Publication date: December 20, 2012
    Applicant: ANDREW LLC
    Inventor: ALAN N. MOE
  • Patent number: 8335542
    Abstract: A wireless transmission system supporting at least first and second high-isolation transmission modes. In the first TX mode, first and second incoming data streams are processed independently within first and second TX paths to generate first and second analog outgoing signals for separate transmission via first and second antennas. In the second TX mode, the two incoming data streams are combined to form a combined data stream. First and second versions of the combined data stream are processed by the first and second TX paths to generate two analog signals that are combined for transmission via a single antenna. In the second TX mode, a feedback signal, based on differences between the two analog signals, is used to adjust the relative phase and/or delay of the two versions of the combined signal in the digital domain to reduce phase differences between the two analog signals, thereby increasing signal transmission power.
    Type: Grant
    Filed: April 9, 2010
    Date of Patent: December 18, 2012
    Assignee: Andrew LLC
    Inventor: Simon Hamparian
  • Publication number: 20120317426
    Abstract: A system is provided for adjusting power provided to a device. The system can include power sourcing equipment and a sub-system. The power sourcing equipment can provide power to a powered device via a channel. The sub-system can determine an amount by which to increase the power based on a resistance of the channel. The power sourcing equipment or the powered device can adjust the power (or load) responsive to a command from the sub-system. The sub-system can include a measurement device and a processor. The measurement device can measure an output voltage of the power sourcing equipment, an input voltage of the powered device, and a current on the channel. The processor can determine the resistance of the channel based on the output voltage, the input voltage, and the current. The processor can output a command specifying an increase or decrease in power supplied by the power sourcing equipment.
    Type: Application
    Filed: June 8, 2012
    Publication date: December 13, 2012
    Applicant: ANDREW LLC
    Inventors: Roger A. Hunter, JR., Donald Robert McAllister, Christopher G. Ranson, Thomas Kummetz
  • Publication number: 20120314797
    Abstract: An interface is provided for processing digital signals in a standardized format in a distributed antenna system. One example includes a unit disposed in a distributed antenna system. The unit includes an interface section and an output section. The interface section is configured for outputting a first complex digital signal and a second complex digital signal. The first complex digital signal is generated from a digital signal in a standardized format received from a digital base station. The output section is configured for combining the first complex digital signal and the second complex digital signal into a combined digital signal. The output section is also configured for outputting the combined digital signal. The combined digital signal comprises information to be wirelessly transmitted to a wireless user device.
    Type: Application
    Filed: June 11, 2012
    Publication date: December 13, 2012
    Applicant: Andrew LLC
    Inventors: Thomas Kummetz, Christopher G. Ranson
  • Publication number: 20120315048
    Abstract: A base station includes an antenna, a radio transceiver, an optical splitter, an optical-to-electrical converter, and a computation module. The antenna may be mounted to a tower and may be configured to receive an RF signal. The radio transceiver may be coupled to the antenna and mounted near the top of the tower. The transceiver may be configured to convert the RF signal to a baseband signal for transmission over a fiber optic link as a first optical signal. The splitter may be configured to split the first optical signal, received via the fiber optic link, into a second optical signal and a third optical signal. The optical-to-electrical converter may be configured to convert the second optical signal into an electrical digital signal including in-phase and quadrature (I/Q) data. The computation module may be configured to compute, based on the I/Q data, signal measurements for location of a mobile station.
    Type: Application
    Filed: April 10, 2012
    Publication date: December 13, 2012
    Applicant: Andrew, LLC
    Inventors: Andrew E. Beck, Thomas B. Gravely, Carmine J. Pagano, II
  • Patent number: 8331953
    Abstract: A system and method for estimating the location of a mobile station that receives signals from a plurality of base stations. The base station timing offsets may be estimated utilizing an observed time difference of arrival value at the mobile between a first signal received from a first base station and a second signal received from a second base station. An initial location for the mobile is randomly selected and an estimated location is determined using the selected initial location, the observed time difference of arrival value, and an iterative search algorithm. The estimated location may be stored if the estimated location is within a predetermined area. In addition, for each such estimated location, the applicable base station time offsets that relate to this location may be updated to generate a current best estimate. A calculated location for the mobile may be determined from stored estimated locations and the current base station time offset estimates.
    Type: Grant
    Filed: May 1, 2007
    Date of Patent: December 11, 2012
    Assignee: Andrew LLC
    Inventors: John Carlson, Martin Alles
  • Patent number: 8331954
    Abstract: A system and method for a network analysis system operating in a wireless communication system with repeaters is disclosed. Embodiments of the system and method enable the network analysis system to determine if signals being received by the network receivers arrive directly from a target mobile appliance or if the signals are passing through a repeater. The repeaters, through an augmentation, measure attributes of a received signal and based on these attributes the system determine whether the signal is served by a repeater or other network device.
    Type: Grant
    Filed: July 22, 2010
    Date of Patent: December 11, 2012
    Assignee: Andrew LLC
    Inventors: Andrew Beck, Tosin Osinusi, Ariful Hannan, Tariqul Islam