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WO/2002/058409A2 |
Apparatus (302, 304, 314), and an associated method, for creating a profile (402) associated with burst data signals (204) communicated to a base station (110) of a fixed wireless access communication system (100). The profile (402) is c...
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WO/2002/058186A2 |
A communication system (10) has a base station having an adaptive antenna with a plurality of main array antenna elements for generating a plurality of communication beams. The system further includes a gateway station coupled to the bas...
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WO/2002/057919A2 |
Data which must be memory equalized across a redundant, high availability system (165) utilizing processor-based components is structured in memory segments which form data packets for a data link (230) between active and standby compone...
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WO/2002/058277A1 |
A timing distribution apparatus for synchronizing the operations of RF modems in a first RF modem shelf (140) in a fixed wireless access network (100). The timing distribution apparatus comprises: a) a primary master clock source (450) f...
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WO/2002/058273A2 |
A communication system (10) has a high altitude device (19) having an adaptive antenna (31) with a plurality of main array antenna elements for generating a plurality of communication beams. The system (10) further includes a gateway sta...
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WO/2002/043278A1 |
The present invention relates to an apparatus of dividing a multi-beam from a base station for several n sectors and combining vice versa in a mobile communication system. The present apparatus includes a multi-beam forming module consis...
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WO/2002/041449A2 |
A combined directional beam and omnidirectional antenna comprises a unitary structure having a plurality of antennas being configured and oriented to achieve both directional beam coverage and omnidirectional beam coverage.
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WO/2002/041450A1 |
An improved antenna arrangement for base stations in communication networks is disclosed. The arrangement has panel apertures (3) generating a multi-beam pattern simultaneously as producing acceptable side-lobe levels. A typical arrangem...
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WO/2002/039141A1 |
The invention relates to a radar device comprising means (10) for creating a carrier frequency signal, means (12, 12a, 12b, 13, 13a, 13b) for generating pulses, means (14, 14a, 4b, 15, 15a, 15b) for generating modulated radar pulses from...
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WO/2002/039548A1 |
An apparatus and method for determining the angles-of-arrival and the polarization states of incoming RF signals of unknown polarization using five or more independent phase difference measurements using RF antenna elements of differing ...
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WO/2002/035650A1 |
A method and apparatus for reconfigurably transmitting shaped beam satellite signals via reflector array antennas are disclosed. The apparatus comprises a reflector (406) for reflecting signals having a reflector focal plane (104) and a ...
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WO/2002/031915A2 |
A phased antenna array (20) generates a first field of view (42) and a second field of view (45). First and second motors (26, 29) are coupled to the phased antenna array to rotate the first and second fields of view about first and seco...
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WO/2002/031919A1 |
The invention relates to an antenna array comprising antenna elements (203) and a support structure (204) to which the antenna elements (203) are attached. Further, the antenna array comprises at least two antenna element groups (200, 20...
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WO/2002/031908A2 |
An indoor antenna 20 includes a unitary support structure having a plurality of support surfaces 26, 28, 29, 30. At least one antenna element 32, 34, 36, 38 is mounted to each of the support surfaces. The support surfaces 26, 28, 29, 30 ...
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WO/2002/025775A1 |
An ultra-wideband, multi-beam adaptive antenna (100) includes a phased array system having an ultra-wideband antenna. The antenna further includes at least two sub-arrays (102L, 102M, 102H) of antenna elements for receiving radio frequen...
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WO/2002/023670A1 |
A method of forming directional antenna beams, comprising: directing at least two antenna beam signals by means of a beam formation matrix and pre-phasing pre-determined antenna beam signals formed with an antenna array in such a way tha...
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WO/2002/014098A2 |
In accordance with the present invention, an adaptive cruise control system includes a radio frequency (RF) transmit receive (TR) sensor module (or more simply 'sensor') disposed such that a detection zone is deployed in front of a vehic...
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WO/2002/014898A2 |
A near object detection (NOD) system includes a plurality of sensors, each of the sensors for providing detection coverage in a predetermined coverage zone and each of the sensors including a transmit antenna for transmitting a first RF ...
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WO/2002/015334A1 |
A multiple beam array antenna system comprises a plurality of radiating elements (82) provided from stripline-fed open-ended waveguide coupled to a Butler matrix beam forming network (86). The Butler matrix beam forming network is couple...
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WO/2002/014900A2 |
A video amplifier for a radar receiver includes a temperature compensating attenuator. The attenuator includes a temperature sensitive device, such as a thermistor, arranged in a voltage divider network and is coupled in cascade between ...
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WO2000060885A9 |
A high capacity point-to-multipoint two-way wireless communication system. In one example, the system employs a dielectric lens-based sectored antenna at a base station to communicate with remote stationary subscriber stations which are ...
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WO/2002/007332A2 |
A phased array antenna includes an antenna housing having a subarray assembly that supports beam forming network modules and an array face defining a ground plane substantially orthogonal to the subarray assembly. A plurality of millimet...
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WO/2002/006850A2 |
A radar system includes a null processor coupled to transmit receive modules. The null processor inserts nulls in the sum pattern at locations for suppressing a jamming source. The null processor determines the difference pattern based u...
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WO/2002/007259A2 |
A base station clustered adaptive antenna array includes a plurality of clusters of antenna elements. Each cluster is spaced away from an adjacent cluster by a first predetermined spacing related to receive-mode beamforming and includes ...
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WO/2002/007254A1 |
An improved antenna comprising at least two individual radiators (1, 2) can be operated in at least two frequency bands (f1, f2, ..., fn). The antenna is improved by the following measures: each output of the individual radiators (1), wh...
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WO/2002/005385A1 |
The invention relates to radio engineering, in particular, to reflector antennas and can be used in systems of communication and satellite television. The tehnical result of the invention is broadening the angle of view. The polyfocal re...
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WO/2002/001753A1 |
A satellite communication system capable of coexisting with a ground radio system, excellent in wide region property, easiness in circuit setting and wide band characteristics, and capable of intending to perform a large capacity transmi...
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WO/2001/099229A1 |
The invention concerns an antenna comprising a microwave lens (1), having a first source (S¿1?) located proximate to the lens focus and the second source (S¿2?) located at a distance d from the first source, proximate to the plane perp...
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WO/2001/099240A2 |
A telecommunications system and method is disclosed for allowing a base station to simultaneously transmit signal in several beams (1, 2, 3, 4) of a multi-beam antenna configuration. Antenna pattern control is maintained by employing ort...
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WO/2001/091325A1 |
The invention relates to a method for controlling the downlink beam in a radio communication system, said radio communication system comprising an antenna system with several antenna elements (AE). The inventive method comprises the foll...
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WO/2001/089030A1 |
The invention relates to a base station in a mobile communication network, comprising one antenna array, sending signals bearing dedicated as well as broadcast channels into a sector of interest, beamforming means adjusting phase angle a...
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WO/2001/086751A1 |
When manufacturing waveguides, for example densely located waveguide channels, for electromagnetic waves such as microwaves, the channels are produced from rod-shaped bodies (1) of a material permeable to the waves and non significantly ...
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WO/2001/084881A1 |
The invention concerns a reception system for a multisensor antenna comprising: at least a set of channel filters ((310 ¿i?)(710¿i?,¿k?) i=1 N) filtering the signals X¿i?(t,f) received by the various sensors of the antenna, said sign...
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WO1999035710A9 |
A bifocal lens (3a, 3b) for use in a multiple beam antenna system including a reflector (1) that is at least partially parabolic in one dimension and a pair of waveguides (10, 11). Multiple received beams are received and reflected by th...
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WO/2001/080363A1 |
An antenna (100) includes a reflector (101) having a first axis (102), a second axis (103), a focal zone (104) that is about parallel to the first axis (102), and a focal point (105) located within the focal zone (104). A transmit feed (...
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WO/2001/080357A1 |
A stack comprises a system connection unit (104), a Rotman lens unit (103), and a beam scanning antenna unit (102) in order from below. The system connection unit (104) comprises a grounding conductor (14), a dielectric sheet (36), a con...
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WO/2001/080366A1 |
A combination satellite and terrestrial antenna system for a single-source application. A first embodiment includes a cross dipole for receiving the circularly polarized satellite signals, and a plurality of monopoles for receiving linea...
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WO/2001/078434A1 |
A method of controlling radio resources in a cellular wireless network comprising a plurality of fixed antennas providing overlapping radio coverage, the method comprising dynamically adjusting the radiation patterns of the antennas usin...
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WO/2001/073894A1 |
The invention relates to a method for improving intelligent antenna array coverage, arbitrary beam forming of the antenna array can be achieved by adjusting n beam forming parameters W(n) based on difference of size and shape parameters ...
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WO/2001/071843A2 |
An antenna diversity arrangement (200) comprises a plurality of antennas (204a, 204b) capable of forming a plurality of antenna beams. The amplitude and phase relationships between the signals driving each of the antennas (204a, 204b) ar...
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WO/2001/071849A2 |
A reconfigurable antenna capable of dynamic reconfigurability of several antenna parameters. Specifically, the present invention is an antenna comprising a plurality of surface PIN devices arranged in a gridlike array. Each of the SPIN d...
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WO/2001/071819A2 |
A surface PIN (SPIN) device and a method of fabricating such a SPIN device. The SPIN device, when activated, confines carrier injection to a small volume near the surface of the device such that the device is sufficiently conductive to s...
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WO/2001/069720A1 |
The invention relates to a device for transmitting or receiving electromagnetic waves in a route-selective manner. The inventive device consists of a single-conical or bi-conical antenna having one or two truncated cones (1; 5) and at le...
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WO/2001/069798A2 |
The invention relates to an arrangement of antenna elements, arranged such that the elements may be individually controlled and some elements of the antenna array operated in phase and some out of phase with each other. Said antenna arra...
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WO/2001/067547A2 |
A system and method are disclosed for avoiding nulls in a composite radiation pattern synthesized from a plurality of antenna beams. The disclosed invention teaches the use of delays in the signal paths associated with ones of the antenn...
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WO/2001/067555A2 |
An approach for providing a multiple-beam antenna system for receiving and transmitting electromagnetic signals from a plurality of closely spaced satellites is disclosed. Dielectric inserts (213, 215, 217, 219 and 221) are selectively c...
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WO/2001/065640A1 |
A dielectric leak wave antenna having a monolayer structure effective in realizing a highly efficient sub-millimetric wave band antenna at low cost. The dielectric leak wave antenna comprises a ground plate conductor, a dielectric substr...
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WO/2001/065642A2 |
Antennas and multiplexer structures are provided for establishing individual communication links with satellites that are located at geostationary positions in close angular proximity to one another. The antenna includes individual wave-...
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WO/2001/063696A1 |
A shaped offset parabolic antenna (10) is disclosed which provides improved gain when receiving satellite broadcasts (12.1-12.3) from geosynchronous transmission sources spaced substantially 10 degrees apart. The surface of the reflector...
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WO/2001/054312A1 |
A space profile determining section (102) determines the distribution of strength of the received signal with respect to the direction of arrival of a signal, namely, determines the space profile or space information by using the receive...
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