Andrew Corporation Patent applications |
Patent application number | Title | Published |
20130029521 | FRICTION WELD COAXIAL CONNECTOR - 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. A sidewall of the bore is provided with an inward annular projection angled toward a cable end of the bore. A sidewall of the inward annular projection and the sidewall of the bore form an annular friction groove open to a cable end of the bore. The annular friction groove is dimensioned with a taper at a connector end of the friction groove less than a thickness of a leading end of the outer conductor. The taper provides an annular material chamber between the leading end of the outer conductor, when seated in the friction groove, and the connector end of the friction groove. | 01-31-2013 |
20130025121 | FRICTION WELD COAXIAL CONNECTOR AND INTERCONNECTION METHOD - 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. | 01-31-2013 |
20100328148 | Method and System for Providing Assistance Data for A-GPS Location of Handsets in Wireless Networks - A system and method for determining the location of a wireless device. A boundary for an approximate area in which the wireless device is located is determined and a plurality of satellites may be determined as a function of the boundary. Assistance data is transmitted to the device which includes information from the plurality of satellites, and the location of the wireless device may be determined from the information. In one embodiment, if the number of the plurality of satellites is greater than a predetermined threshold then the number of satellites may be reduced as a function of one or more of the elevation of each satellite above the horizon, a distance between each satellite to one or more other satellites, and an altitude of each satellite. | 12-30-2010 |
20100178929 | Network Overlay Geo-Location System with Smart Antennas and Method of Operation - A system and method in a wireless communication system having plural base stations ( | 07-15-2010 |
20090203406 | CELLULAR ANTENNA - An antenna for communicating with mobile devices in a land-based cellular communication system via an antenna beam having a width, azimuth angle and downtilt angle. The antenna includes: a two dimensional array of radiating elements ( | 08-13-2009 |
20090149171 | Method and Apparatus for Determining Path Loss by Active Signal Detection - In one embodiment, the disclosure relates to a method for determining a path loss value of a signal transmitted from a wireless device and received by a receiver, where the wireless device and the receiver operate within a wireless communication system having at least one cell having at least one sector operating on at least one frequency channel. The method includes: (i) identifying a geographic area where the path loss value is to be determined; (ii) identifying a first cell, a first sector, and a first frequency channel associated with the geographic area wherein said wireless device is actively communicating with said receiver using said first frequency channel; (iii) receiving at said receiver the signal transmitted from said wireless device on said first frequency channel; (iv) receiving at said receiver an indication of transmission signal strength of said signal; (v) measuring at said receiver the received signal strength of said signal; and (vi) determining the path loss value of said first frequency channel as a function of the indication of transmission signal strength and the received signal strength. | 06-11-2009 |
20090131073 | SYSTEM AND METHOD FOR LOCATING UMTS USER EQUIPMENT USING MEASUREMENT REPORTS - A system and method for estimating a location of a wireless device receiving signals from a plurality of nodes of a communication system. A first value may be determined based on a network timing characteristic for one of the nodes, and a second value may be determined based on a network measurement report characteristic. An observed time difference of arrival (“OTDOA”) hyperbola may then be calculated based on the first and second values, and a location of the wireless device estimated as a function of the OTDOA hyperbola. | 05-21-2009 |
20090124266 | Ranging in UMTS networks - A method and system for determining an approximate range from a location measurement unit to a mobile device. An uplink signal from the mobile device is received by the location measurement unit, and an uplink frame marker is determined from the uplink signal. A downlink signal is received at the location measurement unit from a base station serving the mobile device, and a downlink slot marker is determined from the downlink signal. A round trip propagation delay is determined based upon the uplink frame marker and the downlink slot marker, and an approximate range from the location measurement unit to the mobile device is determined as a function of the round trip propagation delay. | 05-14-2009 |
20090109111 | CROSS-POLAR COMPENSATING FEED HORN AND METHOD OF MANUFACTURE - A feed horn with a horn body and a waveguide body, each with a front end and a back end, respectively. The horn body and the waveguide body coupled together, the waveguide body front end to the horn body back end. The waveguide body provided with a waveguide bore between the front end and the back end. At least one slot formed in the waveguide bore parallel to a longitudinal axis of the body bore, the at least one slot extending to the front end. The horn body provided with a horn bore between the front end and the back end. The horn body and the waveguide body formable via injection molding methods such as die casting. | 04-30-2009 |
20090102738 | Antenna Having Unitary Radiating And Grounding Structure - An antenna includes radiating elements and a ground structure formed as a single unitary conductive member, the radiating elements extending from the ground structure such that some of the radiating elements are spaced from the ground structure on a first side thereof, others of the radiating elements being spaced from the ground structure on a second side thereof. The antenna may be an omnidirectional antenna and the single conductive member may be formed as a single metal sheet. | 04-23-2009 |
20090085802 | METHOD AND APPARATUS FOR GEOLOCATION DETERMINATION - The disclosure relates to method and apparatus for geolocation determination. In one embodiment, the disclosure relates to a method for detecting an erroneous satellite measurement by a receiver, including the steps of (a) determining an approximate location of the receiver; (b) for each of a plurality of satellites from which the receiver receives a signal: (i) determining a range difference between an expected range between the receiver and the satellite and a measured range between the receiver and the satellite; (ii) determining a median value of the range differences; (iii) determining an offset value between the range difference and the median value; (iv) comparing the offset value with a predetermined threshold to thereby detect an erroneous satellite measurement. | 04-02-2009 |
20090079623 | METHOD AND APPARATUS FOR GEOLOCATION DETERMINATION - The disclosure relates to method and apparatus for geolocation determination. In one embodiment, the disclosure relates to a method for detecting an erroneous satellite measurement by a receiver, including the steps of (a) determining an approximate location of the receiver; (b) for each of a plurality of satellites from which the receiver receives a signal: (i) determining a range difference between an expected range between the receiver and the satellite and a measured range between the receiver and the satellite; (ii) determining a median value of the range differences; (iii) determining an offset value between the range difference and the median value; (iv) comparing the offset value with a predetermined threshold to thereby detect an erroneous satellite measurement. | 03-26-2009 |
20090066323 | Antenna Orientation Sensor and Method for Determining Orientation - An antenna orientation sensor, having a base, a pivoting support coupled to the base. An actuator operable to move the pivoting support through a calibration movement with respect to the base. A, for example, three axis magnetic sensor on the pivoting support and a position sensor operable to sense the position of the pivoting support within the calibration movement. | 03-12-2009 |
20090021442 | Self-Supporting Unitary Feed Assembly - A feed assembly for a reflector antenna having a unitary portion of dielectric material, a proximal end of the unitary portion configured for connection with the reflector antenna. The unitary portion having a waveguide portion extending between the proximal end and a sub reflector support having a sub reflector surface at a distal end. The waveguide portion and the sub reflector surface covered with an RF reflective material. The unitary portion may be cost effectively formed via, for example injection molding and or machining. Alternatively, the feed assembly may be formed as a horn feed, without a sub reflector. | 01-22-2009 |
20090017869 | BASE STATION FOR MOBILE COMMUNICATION SYSTEM - A base station for a WCDMA telecommunications network, intended for use in indoor environment to enhance coverage and increase capacity. The base station is designed according to a modular concept, and includes a base station unit having an interface for connection to a power supply, a radio network contoller, and to an antenna, said base station unit having a sandwich structure comprising a rigid metal back plate, a rigid metal front plate, and a main circuit board attached intermediate said back plate and front plate, wherein said main circuit board is cooled by means of self-convection of said back plate and said front plate. | 01-15-2009 |
20080320464 | Radio Base Station and a Method of Operating a Radio Base Station - The present invention relates to the operation and maintenance of radio base stations in mobile communication systems. An inventive radio base station, which can be upgraded remotely in a safe way. In one embodiment of the invention, the radio base station comprises a file system comprising different versions of files, so that an old version of a file can be reverted to should problems in the operation of the radio base station occur In another embodiment of the invention, the radio base station comprises a back-up area in which a copy of the files of the file system are stored. The back-up area is independent of the file system, so that if problems with the files in the file system are detected, the contents of the back-up area can be stored in the file system. | 12-25-2008 |
20080316013 | Supervising Arrangement - A hierarchical fault handling system and method based on filtering data regarding entities in the system and coordinating said filtered data in order to determine if an entity is considered faulty or not. The result for all entities is co-ordinated in a sys-tem fault co-ordinating means ( | 12-25-2008 |
20080297245 | DELAY MODULATOR PRE-DISTORTION CIRCUIT FOR AN AMPLIFIER - A circuit for pre-distorting a signal input to an amplifier includes a signal divider operable for dividing an input signal into signal portions that travel in a primary path and a secondary path. A delay element in each of the primary and secondary paths introduces a group delay to the signal portions in the respective paths. A signal combiner is operable for combining the signals in the respective paths into a combined output signal. A variable gain circuit is arranged in each of the primary and secondary paths. The variable gain circuit is operable to vary the level of the input signal in each path and thereby modulate the overall phase delay of the combined output signal. | 12-04-2008 |
20080291116 | CELLULAR ANTENNAS AND COMMUNICATIONS METHODS - An antenna includes a main controller for communicating with an external system, a plurality of peripheral devices and a number of sub-controllers. The peripheral devices are associated with sub-controllers. The main controller communicates with the peripheral devices over a hybrid communications bus, addressing both bus-addressable devices and serial addressable devices. | 11-27-2008 |
20080287139 | SYSTEM AND METHOD FOR ESTIMATING THE LOCATION OF A MOBILE STATION IN COMMUNICATIONS NETWORKS - A system and method for estimating the location of a mobile station that receives signals from a plurality of base stations. An estimated location of a mobile station may be determined through any number of or combination of location technologies. Network measurements such as observed time difference values and/or a round trip time values at the mobile station or base stations in the network may be utilized. Network timing relationships may be determined as a function of the estimated location and network measurements. An estimated location of a second mobile station may be determined as a function of the network timing relationships. | 11-20-2008 |
20080285505 | SYSTEM AND METHOD FOR NETWORK TIMING RECOVERY IN COMMUNICATIONS NETWORKS - A system and method for determining the network timing of a communications network from a mobile station that receives signals from a plurality of base stations. An estimated location of a mobile station may be determined through any number of or combination of location technologies. Network measurements such as observed time difference values and/or a round trip time values at the mobile station or base stations in the network may be utilized. Network timing relationships may be determined as a function of the estimated location and network measurements. An estimated location of a second mobile station may be determined as a function of the network timing relationships. | 11-20-2008 |
20080252553 | Antenna Mounting Foot and Method of Manufacture - An antenna mounting foot, formed from a unitary blank with a central portion having a mounting surface and a support surface. The mounting surface and the support surface are angled with respect to each other forming a triangular protrusion away from a planar base surface of complementary peripheral portions of the unitary blank having a pair of ends on each side that overlap one another. The mounting surface provided with a coupling hole and the support surface having an access hole. | 10-16-2008 |
20080248745 | System and Method for Identifying the Path or Devices on the Path of a Communication Signal Using (1+r(T)) Amplitude Modulation - A system and method of applying a known modification to a signal to enable a determination of a signal received by a first node is received directly from a second node or indirectly through a repeater. The repeater receives a primary signal and creates a secondary signal as a function of the primary signal and a known modification, wherein the known modification identifies the repeater. The primary signal is transmitted and injected with the secondary signal as the first signal to the primary receiver. | 10-09-2008 |
20080245547 | CABLE AND APPARATUS INTERCONNECTION CLOSE QUARTERS ENVIRONMENTAL SEAL - A sealing assembly for a cable to apparatus electrical interconnection. The assembly having a unitary cylindrical gasket, the outer diameter of the cylindrical gasket provided with an insertion opening to an interconnection cavity; the insertion opening having a generally circle sector shape at a cable end and an apparatus end, the insertion opening extending between the cable end and the apparatus end along the outer diameter. A generally C-shaped outer shell is dimensioned to seat along the outer diameter, the outer shell having outward protruding edge lips aligned with the insertion opening along the outer diameter. The edge lips movable towards one another to a closed position wherein the insertion opening is closed around the electrical interconnection; and means for retaining, such as a locking bar that fits over the edge lips. | 10-09-2008 |
20080242374 | METHOD AND APPARATUS FOR TRANSPARENT INVOCATION AND TRANSPORT OF ENCRYPTED POSITION LOCATION DATA - In one embodiment, the disclosure relates to a method for locating a mobile terminal in a communication network. The method includes: receiving a request data frame for locating the mobile terminal; uniquely encoding at least a portion of the request data frame (at an LCS client); determining the location of the mobile terminal (by a PDE); communicating the location information of the mobile terminal in a response data frame having an encrypted portion; and decrypting the location information of the mobile terminal (at the LCS client). | 10-02-2008 |
20080238777 | SYSTEM AND METHOD FOR ENHANCIN THE ACCURACY OF A LOCATION ESTIMATE - A method for enabling a system to enhance the accuracy of a location estimate modifies weights in a weight matrix associated with receiver station measurements in parallel with successive refinements of the location estimate. In a typical location estimation scenario, several receiving stations simultaneously derive measurements of a signal from the emitter. Any one of these measurements is in general some function of the emitter location and the receiving station location. The aggregate of these measurements is often in excess of the minimum number of measurements required to provide an estimate of the emitter location. Where such an excess exists, the method proceeds by modifying the weights associated with the measurements in parallel with successive refinements of the location estimate. The method can be implemented over various cellular protocols with a consistent and significant enhancement in the accuracy of location estimates. | 10-02-2008 |
20080198791 | Satellite Communications Interoperability Module and Down-Conversion Method - A satellite communications interoperability module and method for frequency down-conversion. The module insertable in-line with an intra-facility link communicating a multiplexed signal between the outdoor unit (ODU) and the indoor unit (IDU). Electrical circuitry of the module transforming and forwarding the multiplexed signal over the intra-facility link, the multiplexed signal including at least direct current, a standard tone, and L-band data signals. Switching means of the module specifies operations performed by the electrical circuitry to transform the multiplexed signal frequencies, waveforms and voltages according to predetermined parameters compatible between the ODU and the IDU. An interoperability method for compatibility with a range of different indoor units applied by the interoperability module and or incorporated into an integral ODU is application of a second frequency shift upon the L-band signal output from the ODU primary down-conversion circuit. | 08-21-2008 |