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| Number | Title | Issue Date |
| 7854063 | Method of manufacture a connector with outer conductor axial compression connection An electrical connector for a coaxial cable with a solid outer conductor, the connector in combination with a cable and a method for manufacturing. The electrical connector having a connector body with a bore between a connector end and a cable end. The bore having ... | 12/21/2010 |
| 7738836 | System and method of operation for network overlay geolocation system with repeaters using AM Golay Hadamard signatures A novel system and method for a network overlay geolocation system operating in a host wireless communication system with repeaters is disclosed. Embodiments of the novel system and method enable a wireless communication system to determine if signals being received... | 06/15/2010 |
| 7623872 | Method for sparse network deployment accuracy enhancements 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 sensors (WLS). The method ... | 11/24/2009 |
| 7518552 | Antenna control system A cellular base station telecommunication system includes a plurality of base station antenna sites, each site having one or more groups of base station antennas. A central controller is configured to control an electrical or mechanical parameter in one or more of t... | 04/14/2009 |
| 7498988 | Antenna element, feed probe; dielectric spacer, antenna and method of communicating with a plurality of devices 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 freq... | 03/03/2009 |
| 7474172 | Capacitively coupled variable power divider A wiper-type variable power divider with capacitive junctions to minimize the creation of passive intermodulation interference (PIM) during adjustment of the power divider. The variable power divider includes an adjustable, wiper-type phase shifter connected to a hy... | 01/06/2009 |
| 7435135 | Annular corrugated coaxial cable connector with polymeric spring finger nut An annular corrugated solid outer conductor coaxial cable electrical connector with an integral spring finger nut telescopically coupled via threads to the cable end of a body. A nut bore in the spring finger nut dimensioned to receive the outer conductor therethrou... | 10/14/2008 |
| 7432858 | Printed circuit board wireless access point antenna A substantially planar antenna configured for easy installation in a ceiling or ceiling tile. The antenna is configured for duplex communications in carrier frequency ranges spanning at least a 2:1 ratio of frequency values from the highest to the lowest frequency i... | 10/07/2008 |
| 7427962 | Base station antenna rotation mechanism A base station antenna system producing a beam, includes an array antenna rotatably mounted with respect to an antenna support so as to permit azimuth steering of the antenna beam and an azimuth position rotation arrangement configured to rotate the array antenna wi... | 09/23/2008 |
| 7411474 | Printed wiring board assembly with self-compensating ground via and current diverting cutout A multi-layer printed circuit board includes a first conductive layer including at least one conductor pattern and a plated through hole extending into the first conductive layer and intersecting the conductor pattern. A current diverting cutout in the conductor pat... | 08/12/2008 |
| 7405710 | Multiband dual polarized adjustable beamtilt base station antenna A method and apparatus are provided for constructing a multi-band antenna (10). The method includes the steps of providing a plurality of combination-type dipole assemblies (114, 116, 118, 120, 122, FIG. 7) each defined by a box-type dipole arra... | 07/29/2008 |
| RE40434 | High isolation dual polarized antenna system using dipole radiating elements An antenna for receiving electromagnetic signals comprises: a ground plane with a length and having a vertical axis along the length. A plurality of dipole radiating elements, the radiating elements are comprised of first and second co-located, orthogonal dipoles, t... | 07/15/2008 |
| 7379757 | System and method for estimating the multi-path delays in a signal using a spatially blind antenna array A method is described that enables a system to estimate the individual times of arrival of multi-path signals components in a received signal while blind to the particular angular response characteristics of an antenna array. Additionally, a system is described that... | 05/27/2008 |
| 7379019 | Method for angle of arrival determination on frequency hopping air interfaces A method for calibrating an antenna and signal processing system enabling angle of arrival (AOA) determination for a frequency hopping signal, in which a calibration coefficient is determined in response to one or more calibration signals injected into the system at... | 05/27/2008 |
| 7375698 | Hydrophobic feed window A feed window for a low noise block converter feedhorn incorporated into a microwave-range antenna assembly is formed from a thermoplastic polymer composition containing a hydroscopic-effective amount of a high molecular weight siloxane. ... | 05/20/2008 |
| 7355478 | RF amplifier with pulse detection and bias control An RF amplifier includes at least one RF amplification stage having an RF input signal and an RF output signal and a power signal circuit with power supply coupled with the amplification stage for providing a power signal to the amplification stage. A bias ci... | 04/08/2008 |
| 7349191 | Offset planar coil coaxial surge suppressor An in-line surge suppressor assembly having a body with a side aperture and an inner conductor positioned coaxial within a bore of the body. An insert having a planar inductor coil with a post extending from an origin point of the planar inductor coil is positioned ... | 03/25/2008 |
| 7347727 | Push-on connector interface A push-on connector interface and associated spring ring adapted for use with, for example, existing standardized threaded female connectors, for example SMA or Type N connectors. A plurality of spring fingers of the male connector body engage the, typically threade... | 03/25/2008 |
| 7347726 | Push-on connector interface A push-on connector interface adapted for use with, for example, existing standardized threaded female connectors, for example SMA or Type N connectors. A plurality of spring fingers of the male connector body engage the, typically threaded, outer diameter surface o... | 03/25/2008 |
| 7336940 | Frequency conversion techniques using antiphase mixing A frequency upconverter using mixers operating on one or more signals and inverted versions thereof and a subtractor, such as a balun, for subtractively combining the mixer outputs to produce an upconverted signal. ... | 02/26/2008 |
| 7333771 | Mounting pedestal for a cellular signal enhancer A relatively low cost, easy to install and aesthetically pleasing cellular signal enhancer, also known as a wireless repeater, suitable for use in a home or business. The device includes a removable mounting pedestal that can be plugged into both an upper and a lowe... | 02/19/2008 |
| 7324318 | Multiple planar inductor coaxial surge suppressor An in-line surge suppressor having a body with a bore between two ends and at least one channel located within the body and around the bore. An inner conductor is located within the bore. A shorting element has a plurality of segments that extend from the inner cond... | 01/29/2008 |
| 7321635 | Linearization of amplifiers using baseband detection and non-baseband pre-distortion In an amplifier system that linearizes an amplifier by pre-distorting the input signal prior to amplification, a baseband pre-distortion processor processes the input signal in a digital baseband domain to generate one or more pre-distortion parameters based on the ... | 01/22/2008 |
| 7313391 | Modeling of RF point source reference for analysis of wireless signal propagation A data collection and evaluation method for determination of wireless signal propagation from an incomplete set of measured data and for modeling the system as a set of RF point sources located at the tower in each cell. RF propagation measurements are collected acc... | 12/25/2007 |
| 7301422 | Variable differential phase shifter having a divider wiper arm A variable differential phase shifter including an isolation element providing good isolation between output ports, good return loss and reduced reflections. In one embodiment a Wilkinson divider is incorporated in the wiper arm of a wiper type variable differential... | 11/27/2007 |
| 7298233 | Panel antenna with variable phase shifter A panel antenna having a variable phase shifter module with at least one main-PCB having an input trace coupled to a wiper junction. An arcuate trace on the main-PCB extending between a first output trace and a second output trace, the arcuate trace having an arc ce... | 11/20/2007 |
| 7295819 | Signal sample acquisition techniques A sample acquisition apparatus for sampling first and second signals within a signal processing arrangement, includes a sampler for capturing sections of the waveforms of both the first and second signals, a switch for alternating correction of the sampler to a poin... | 11/13/2007 |
| 7289575 | Signal processing means A non-linearity generator operates on a signal between a frequency converter and an amplifier and acts as a postdistorter for the component it follows and as a predistorter for the component it precedes, thus linearizing the overall input-output characteristic of th... | 10/30/2007 |
| 7283101 | Antenna element, feed probe; dielectric spacer, antenna and method of communicating with a plurality of devices 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 freq... | 10/16/2007 |
| 7280080 | Multiple beam feed assembly A multi-beam feed assembly having a feed assembly housing with a plurality of input waveguide(s) formed in a front face. The housing may be adapted for manufacture via die casting. The housing also having at least two PCB mounting surface(s), a plurality of probe ap... | 10/09/2007 |
| 7279972 | Predistortion control apparatus A digital predistorter comprises a module J for producing a counteracting signal Vm1 for combination with the input signal of a power amplifier to correct the output of the amplifier for distorting memory effects within the amplifier. The module J produce... | 10/09/2007 |
| 7280848 | Active array antenna and system for beamforming An active antenna array for use in a beamforming antenna system. The antenna array includes multicarrier power amplifiers coupled to each antenna element wherein the outputs of the multicarrier power amplifiers are linearized. The antenna array communicates with a b... | 10/09/2007 |
| 7275957 | Axial compression electrical connector for annular corrugated coaxial cable An electrical connector having a longitudinal axis with interface and cable ends for coaxial cable having an annular corrugated solid outer conductor. The connector having a body and an interface joined in an interference fit along the longitudinal axis of the conne... | 10/02/2007 |
| 7272365 | Frequency offset correction in transmitters having non-ideal synthesizer channel spacing In a receiver of a transmission system in which the data transmission rate is not an integer multiple of the spacing between transmission channels, a single oscillator is used to generate both the system clock used to process the data signal as well as the mixing si... | 09/18/2007 |
| 7266159 | Frequency-dependent magnitude pre-distortion on non-baseband input signals for reducing spurious emissions in communication networks Pre-distortion, whose magnitude—and preferably phase—are frequency-dependent, is applied to a non-baseband input signal in order to reduce spurious emissions resulting from subsequent amplification of the signal. In preferred embodiments, the pre-distortion tech... | 09/04/2007 |
| 7259630 | Elimination of peak clipping and improved efficiency for RF power amplifiers with a predistorter A predistorer configured for use with an RF power amplifier having an input loop configured to be coupled to the input of the RF power amplifier and peak control circuit. Such an input loop includes a look-up table containing predistortion values to be applied to an... | 08/21/2007 |
| 7251293 | Digital pre-distortion for the linearization of power amplifiers with asymmetrical characteristics An input signal is pre-distorted to reduce spurious emissions resulting from subsequent signal amplification. Frequency-dependent pre-distortion is preferably implemented in combination with frequency-independent pre-distortion, where the frequency-dependent pre-dis... | 07/31/2007 |
| 7249969 | Connector with corrugated cable interface insert An electrical connector for coaxial cable having a corrugated solid outer conductor. The connector formed with a body having a bore with a retaining shoulder. An insert with a plurality of segment(s) having inward projecting projections arranged to mesh with the cor... | 07/31/2007 |
| 7248642 | Frequency-dependent phase pre-distortion for reducing spurious emissions in communication networks A frequency-dependent phase pre-distortion technique is applied to an input signal in order to reduce spurious emissions resulting from subsequent amplification of the signal. In preferred embodiments, the frequency-dependent phase pre-distortion of the present inve... | 07/24/2007 |
| 7233217 | Microstrip phase shifter A phase shifter adjusts the phase between two segments of an RF feed line that are fed with the phase shifter. Specifically, the phase shifter adjusts the phase between two signals in RF feed line segments by changing the electrical path lengths that RF energy trave... | 06/19/2007 |
