Patents Assigned to Andrew LLC
  • Patent number: 8532024
    Abstract: A method and apparatus is provided for determining coupled path loss in a small geographical which is served by a plurality of transmitters and is subject to broad signal level variation. A method is also provided for determining performance of a signal received by a wireless device located within a bin of a cell of a cellular communication system. The method comprises determining the value of the received signal level as a function of the sum of the signal levels received from a primary base station at a primary cell divided by a number of signal level measurements from the primary base station.
    Type: Grant
    Filed: May 17, 2006
    Date of Patent: September 10, 2013
    Assignee: Andrew LLC
    Inventors: John Arpee, John Peter Carlson
  • Publication number: 20130231152
    Abstract: A Master Antenna Controller System comprises a handheld wireless device and an AISG equipment controller. The handheld wireless device may comprise an Android OS or iOS based smartphone or tablet that includes Wi-Fi capabilities communications capabilities. The equipment controller may provide full RET control based on the AISG 1.1 and 2.0 standards and communicate with the handheld wireless device via a Wi-Fi server. The combination may be configured to provide extensive, screen-guided, intuitive RET diagnostics functionality. The RET diagnostics functionality may include measurements of voltage, current, and AISG protocol commands. The equipment controller 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.
    Type: Application
    Filed: March 1, 2013
    Publication date: September 5, 2013
    Applicant: Andrew LLC
    Inventor: Martin L. ZIMMERMAN
  • Patent number: 8526968
    Abstract: A system and method for determining the location of a mobile device in a communications network. A set of network measurement reports (NMR) may be provided for a region in the network. NMRs in the first set may be clustered as a function of observed measurement information in the NMRs. A candidate NMR for a mobile device may be received, and the candidate NMR may then be associated with a selected cluster of NMRs. The candidate NMR and a second set of NMRs may then be clustered, and a location of the mobile device determined as a function of the clustered candidate NMR and second set of NMRs, where the NMRs in the second set are associated with the selected cluster.
    Type: Grant
    Filed: February 14, 2012
    Date of Patent: September 3, 2013
    Assignee: Andrew LLC
    Inventors: Martin Alles, Thomas B. Gravely, Khalid W. Al-Mufti
  • Patent number: 8526826
    Abstract: A repeater (1) includes a master unit (2) for communicating with a base station of a mobile network, a plurality of remote units (3) for communicating with mobile communications terminals, and a common optical waveguide (4) connecting the remote units (3) with the master unit (2) for transmitting the optical signals from each of the remote units (3) to the master unit (2). The remote units (3) include, as a transmitter for the optical signals, a laser (7) of a construction similar or somewhat identical to that of the other lasers (7). The lasers (7) have similar or somewhat identical nominal wavelengths (?N), and the individual lasers (7) are selected by adjusting their operating temperatures (TD1-TD4) in such a way that each laser transmits on a different transmission wavelength (?ü1-?ü4).
    Type: Grant
    Filed: March 5, 2009
    Date of Patent: September 3, 2013
    Assignee: Andrew LLC
    Inventors: Stefan Eisenwinter, Peter Schmid
  • Publication number: 20130221182
    Abstract: An antenna mount is provided with a pivot base and a pivot saddle rotatably coupled to the pivot base by a pivot connection and at least one pivot arm connection. The pivot connection is provided with dual opposing conical countersunk head pivot connection bolts seated within conical countersunk pivot connection bolt holes of the pivot saddle, the conical countersunk head pivot connection bolts extending through the conical countersunk pivot connection bolt holes of the pivot saddle to couple with the pivot base about a pivot axis.
    Type: Application
    Filed: February 23, 2012
    Publication date: August 29, 2013
    Applicant: ANDREW LLC
    Inventors: Ian Thomas Renilson, Matthew R. Lewry, James Michael Jefferson
  • Publication number: 20130214973
    Abstract: A feed network for use with an antenna array includes at least first and second RF inputs, a combiner network and a beamforming network. In some examples, additional RF inputs are provided. Each RF input corresponds to a sub-band. The first RF input for a first sub-band signal is coupled to a first sub-band parameter control; the second RF input for the second sub-band signal is coupled to a second sub-band parameter control. The combiner network is coupled to the first sub-band parameter control and to the second sub-band parameter control. The combiner network also has at least one output comprising a combination of the first sub-band signal and the second sub-band signal. The beamforming network is coupled to the combiner network and has a plurality of RF outputs. The first and second sub-band parameter controls are independently adjustable. In one example, the beamforming network comprises a Butler matrix.
    Type: Application
    Filed: February 20, 2013
    Publication date: August 22, 2013
    Applicant: Andrew LLC
    Inventor: Andrew LLC
  • Publication number: 20130210457
    Abstract: The sensor network may include a location capture processing unit; and a plurality of sensors in communication with the location capture processing unit. Each sensor of the plurality of sensors includes a controller and a RF receiver configured to receive RF signals. The RF receiver is in communication with the controller. A localization engine is configured to receive beacon signals transmitted by other sensors in the sensor network. The localization engine is in communication with the controller. The controller of each of the plurality of sensors is further configured to determine a position of its respective sensor using either RF receiver or localization engine or both. The plurality of sensors communicates their position to the location capture processing unit.
    Type: Application
    Filed: March 18, 2013
    Publication date: August 15, 2013
    Applicant: ANDREW LLC
    Inventor: Andrew LLC
  • Patent number: 8508424
    Abstract: A high band element and an antenna including a plurality of high band elements are provided. The high band element can include directors disposed above four dipoles, and the antenna can include a plurality of low band elements configured to accommodate the plurality of high band elements. The low band elements can be configured in a 1-2-2-2-1 arrangement or a 2-2-2-2-1 arrangement.
    Type: Grant
    Filed: November 27, 2009
    Date of Patent: August 13, 2013
    Assignee: Andrew LLC
    Inventors: Igor E. Timofeev, Eddie Ray Bradley
  • Publication number: 20130203447
    Abstract: A method of determining the location of a mobile device in a communications network having a plurality of nodes, one of the plural nodes serving the device. Observed positioning measurements for a mobile device may be received from the serving node and uplink enhanced cell identification (E-CID) positioning measurements received from the mobile device. One or more ranges between ones of the plural nodes and the mobile device may then be determined as a function of the received observed positioning measurements and the received uplink E-CID positioning measurements. A geographic location of the mobile device may then be estimated as a function the determined one or more ranges.
    Type: Application
    Filed: February 3, 2012
    Publication date: August 8, 2013
    Applicant: Andrew, LLC
    Inventors: Ariful Hannan, Khalid W. Al-Mufti
  • Publication number: 20130203423
    Abstract: A system and method for generating a calibration database in a communications network. A grid of geographic locations may be generated to cover a region in a communications network having a plurality of cellular sites. A set of network measurement reports (NMRs) is generated for the region, the NMR being a collection of measurement parameters observed at selected geographic locations in the grid. A label may then be generated representing a first measurement parameter observed from ones of the plural cellular sites at one of the selected geographic locations, the label including a relative ranking by cellular site of the first measurement parameter. Using this generated label, a calibration database for the communications network may be populated and locations of mobile devices determined therefrom.
    Type: Application
    Filed: February 4, 2013
    Publication date: August 8, 2013
    Applicant: ANDREW, LLC
    Inventor: Andrew, LLC
  • Publication number: 20130201916
    Abstract: Systems and methods for optimized telecommunications distribution are provided. For example, a distributed antenna system can include a master unit for transceiving signals with remote units operable for wirelessly transceiving signals with mobile devices in a coverage area. A self-optimized network analyzer can be in a unit of the distributed antenna system. A self-optimized network controller in the distributed antenna system can output commands for changing operation of a component in the distributed antenna system in response to analysis results from the self-optimized network analyzer. In some aspects, the master unit includes base transceiver station cards for receiving call information in network protocol data from a network and for generating digital signals including the call information from the network protocol data for distribution to the remote units.
    Type: Application
    Filed: February 2, 2013
    Publication date: August 8, 2013
    Applicant: ANDREW LLC
    Inventor: ANDREW LLC
  • Publication number: 20130201006
    Abstract: Systems and methods are provided for automatically detecting passive components in communications systems using radio frequency identification (“RFID”) tags. A coupling circuit is provided in a system between a communications network and an RFID tag. The RFID tag is associated with a passive element of a distributed antenna system (“DAS”). The coupling circuit can allow an RFID signal received from an RFID transmitter over the communications network to be transported to the RFID tag. The coupling circuit can substantially prevent mobile communication signals on the communications network from being transported to the RFID tag.
    Type: Application
    Filed: March 13, 2013
    Publication date: August 8, 2013
    Applicant: ANDREW LLC
    Inventor: ANDREW LLC
  • Publication number: 20130195467
    Abstract: A distributed antenna system includes a master unit configured to receive at least one set of multiple input multiple output (MIMO) channel signals from at least one signal source. The master unit is configured to frequency convert at least one of the MIMO channel signals to a different frequency from an original frequency, and combine the MIMO channel signals for transmission. An optical link couples the master unit with a remote for transceiving the MIMO channel signals. The remote unit is configured to receive the MIMO channel signals to be transmitted over antennas and includes an extension port configured to transceive at least one of the MIMO channel signals. An extension unit is coupled to the remote unit and is configured to frequency convert at least one of the first and second MIMO channel signals from the different frequency back to an original frequency for transmission over an antenna.
    Type: Application
    Filed: March 12, 2013
    Publication date: August 1, 2013
    Applicant: ANDREW LLC
    Inventor: Andrew LLC
  • Patent number: 8497813
    Abstract: A panel antenna having an enclosure, an internal cover, one or more micro radios and RF modules, and a radome is provided. The enclosure may include a rectangular rear panel, side walls with an interior surface to mount micro radios and an external surface to receive heat sinks, and a hinged front cover providing an internal cover. The internal cover may also have a plurality of RF radiating modules fastened thereto. The internal cover may also provide environmental sealing and electromagnetic shielding. The plurality of micro radios are located inside the cavity of the enclosure, and each micro radio is coupled to an RF radiating module. The micro radios may be mounted inside the enclosure on the side walls. The radome encloses the RF radiating modules. The radome may be mounted to the internal seal. Additionally, the panel antenna may further include a heat sink mounted on an exterior side of the rear panel.
    Type: Grant
    Filed: June 2, 2010
    Date of Patent: July 30, 2013
    Assignee: Andrew LLC
    Inventors: Derek Rodger, Matthew Ferris
  • Publication number: 20130189921
    Abstract: A method and apparatus of mitigating multipath coupling interference in a wireless repeater system 10 includes measuring an error signal E(z) in a signal path of the repeater which contains the desired communication signals and the multipath coupling interference and determining a cepstrum cee[n] of the error signal E(z), wherein the cepstrum cee[n] is reflective of the open-loop gain G(z) of the system. The method further includes extracting the impulse response of the open-loop gain G(z) from the cepstrum cee[n] of the error signal E(z), calculating a plurality of cancellation filter coefficients using the extracted impulse response, and adaptively applying the plurality of filter coefficients to an adjustable filter to generate the cancellation signal necessary to mitigate the multipath coupling interference.
    Type: Application
    Filed: March 12, 2013
    Publication date: July 25, 2013
    Applicant: ANDREW LLC
    Inventor: ANDREW LLC
  • Publication number: 20130188753
    Abstract: A distributed antenna system includes a multiple-input and multiple-output (MIMO) base station configured to output at least a first signal and a second signal. At least one master unit communicates with the MIMO base station. At least one remote unit communicates with the master unit. At least one antenna is coupled with the remote unit for receiving signals from the remote unit. A hybrid coupler is coupled between the remote unit and antenna and is configured to receive the first signal Ch1 and the second signal Ch2 from the remote unit on respective first and second ports and to provide an output signal on at least one output port. The output signal includes at least a portion of the first signal and at least a portion of the second signal. The antenna is coupled with the output port.
    Type: Application
    Filed: March 11, 2013
    Publication date: July 25, 2013
    Applicant: ANDREW LLC
    Inventor: ANDREW LLC
  • Publication number: 20130181865
    Abstract: A system and method for determining transmission delay in a communications system. In some embodiments, satellite positioning information may be received for a mobile device and enhanced cell identification (E-CID) positioning information received for the mobile device. A location of the mobile device may be determined as a function of the received satellite positioning information, and transmission delay between a node serving the mobile device and an antenna serving the mobile device determined as a function of the received E-CID positioning information and the determined location of the mobile device.
    Type: Application
    Filed: January 14, 2013
    Publication date: July 18, 2013
    Applicant: ANDREW, LLC
    Inventor: Andrew, LLC
  • Patent number: 8489122
    Abstract: A method and system for estimating the location of a mobile device. A range of the mobile device to a reference station may be determined as a function of the time of transmission of a first signal transmitted from a base station and as a function of the time of receipt of a second signal transmitted from the mobile device to the reference station, the second signal being a function of the first signal advanced by a timing parameter. A relationship for each of a plurality of grid points in a geographic region may be determined as a function of the determined range and a range metric. These plural grid points may contain the reference station. The determined relationship may be compared with data corresponding to each of the plural grid points, and a location of the mobile device determined as a function of the comparison.
    Type: Grant
    Filed: May 20, 2011
    Date of Patent: July 16, 2013
    Assignee: Andrew LLC
    Inventors: Thomas B. Gravely, Martin Alles, Suryanarayana Kalenahalli, Khalid W. Al-Mufti
  • Patent number: 8479383
    Abstract: A coaxial connector for interconnection with a coaxial cable with a solid outer conductor by friction welding is provided with a monolithic connector body with a bore dimensioned for an interference fit with an outer diameter of the outer conductor. A friction groove may be formed around the leading end of the outer conductor by application of a friction weld support against the inner diameter and leading end of the outer conductor. The friction groove may include a material chamber formed between a radial friction protrusion of the bore and a bottom of the friction groove. The friction weld support may be provided with ceramic surfaces contacting the outer conductor, a stop shoulder dimensioned to abut a cable end of the bore and/or an elastic insert seated within an inner conductor bore.
    Type: Grant
    Filed: October 3, 2012
    Date of Patent: July 9, 2013
    Assignee: Andrew LLC
    Inventors: Kendrick Van Swearingen, Ronald Alan Vaccaro, James P Fleming
  • Publication number: 20130169501
    Abstract: One embodiment discloses an antenna structure. The antenna structure may comprise a transmit antenna element comprising a first transmit antenna sub-element and a second transmit antenna sub-element. The antenna structure can comprise a receive antenna element comprising a first receive antenna sub-element and a second receive antenna sub-element. At least one electronic component of the antenna structure may be coupled with a ground plane. The first transmit antenna sub-element, the second transmit antenna sub-element, the first receive antenna sub-element, and the second receive antenna sub-element may each comprise a first portion and a second portion. The second portion may be larger than the first portion. The first portion can be closer to a center position of an arrangement of the sub-elements than the second portion. In one embodiment, the arrangement of the sub-elements about the center position forms a four-leaf clover-like arrangement.
    Type: Application
    Filed: January 3, 2013
    Publication date: July 4, 2013
    Applicant: Andrew LLC
    Inventor: Andrew LLC