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WO/2001/052447A2 |
A flat-panel repeater includes a housing (50) having a pair of oppositely facing surfaces, at least one antenna element (52, 54) mounted to each of the surfaces for radiating energy in a direction opposite to that of an antenna element m...
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WO/2001/048509A2 |
The invention relates to an automotive radar system that comprises at least one element transparent for a sensor radiation for focusing the sensor radiation and/or at least one radome which is not prefocused in the beam path. At least on...
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WO/2001/048511A1 |
The invention relates to an automotive radar system that comprises at least one housing, at least one transceiver element for transmitting and/or receiving electromagnetic waves, at least one first dielectric element in the beam path of ...
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WO/2001/043229A2 |
A system and method for establishing a beam forming phase reference line remote from an antenna system is taught. By providing a phase reference line at a selected position in the signal path the present invention allows for a beam formi...
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WO/2001/043469A1 |
An antenna system for a transmitter, said antenna system comprising an array of antennas, said array being controllable to transmit a signal over part or all of a coverage area of said transmitter; an amplifier coupled to each antenna, s...
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WO/2001/037374A1 |
At least one electromagnetic lens (12) having a first contour (24) is disposed proximate to a dielectric substrate (16) having a first edge (18) having a second contour (30). A plurality of antenna feed elements (14), for example, end-fi...
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WO/2001/037435A2 |
A sensor array (10 sub.1-N) receiving system which incorporates one or more filters (16 sub.1-N) that are capable of adaptive and/or fixed operation. The filters are defined by a multiple of coefficients and the coefficients are set so a...
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WO/2001/035494A1 |
A group of phase shifters (Fig.2,140) is coupled between a multiple beam forming network (110) and a phased array antenna. The phase shifters (140) serve to scan the energy beams generated by the phased array antenna (120) over a wide fi...
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WO/2001/035493A1 |
A multiple beam antenna system including an offset parabolic reflector (3) has an increased focal length (FL) and/or an increased FL/D (where D is a diameter of the reflector) in order to improve off-axis performance of the system. In ce...
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WO/2001/028107A1 |
If an interference elimination unit provided to each user judges that there is no demodulation error, a replica signal calculated by the interference elimination unit is subtracted from an input signal vector, and the user signal calcula...
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WO/2001/026183A1 |
The invention relates to a multi-beam radar sensor comprising at least two emitting-receiving patches in which the patches, assigned polyrods and/or a dielectric lens are configured such that they are asymmetrical. This asymmetrical conf...
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WO/2001/024406A1 |
Where directional transmissions are to be made by multiplexing users in the CDMA communications, a phase offset for setting the antenna balance adaptively is determined. Therefore, the antenna elements for giving the maximum or minimum a...
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WO/2001/022530A1 |
An inflatable antenna system combining a fixed aperture with an inflatable aperture that greatly increases the reflector size of the antenna system. The fixed portion provides a 'risk buffer' in that a moderate gain capability is retaine...
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WO/2001/018975A2 |
The aim of the invention is to provide a solution for improving reception and for increasing the signal quality of mobile stations in CDMA-based mobile radio telephone systems of the third generation, whereby said solution is less compli...
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WO/2001/018905A1 |
A mechanical scanning and digital beamforming antenna (20) uses a receive and transmit digital beamforming network (320, 410) to provide communications beam scanning in a first plane. In a second plane, a reflective surface (240) is used...
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WO/2001/018902A2 |
The invention relates to a housing or a part thereof for a distance sensor, especially for motor vehicles, consisting of at least one housing part (1) wherein at least one body which is transparent to the rays of the sensor and which is ...
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WO/2001/018912A1 |
An antenna array for a base station for communication systems presenting a sparse element grid in the one-dimensional scanned array or multi-beam array is disclosed. The element spacing is governed by scanning in the x-direction mainly. ...
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WO/2001/015477A1 |
A system and method are disclosed for dynamically sizing sectors of a multi-sectored radiation pattern. The disclosed invention teaches the use of multiple narrow beams composited to form a radiation pattern. Signals associated with each...
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WO/2001/015273A1 |
The invention relates to a multibeam radar sensor. In said sensor, an elastically configured fixing device, together with a spacer secure the polyrods at a predetermined distance from one another, preferably ranging between 0 mm and 0.2 ...
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WO/2001/015267A1 |
A personal communications apparatus comprises an elongate body (202) incorporating an antenna diversity arrangement in which first and second antennas (102A, 102B) are located at opposite ends of the body. In one embodiment a microphone ...
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WO/2001/013461A1 |
A diversity antenna structure for a wireless communication device (10) for receiving and transmitting communication signals is provided. The antenna structure including a dielectric substrate (14) defining a pair of major surfaces and ha...
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WO/2001/013466A1 |
This invention relates to a method of canceling interference. A mobile communication system using a smart antenna can resolve various multipath propagation interference with the method. The method includes steps: performimg beam-patterni...
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WO/2001/011723A1 |
The invention relates to baseband processing method based on a smart antenna and interference cancellation, comprising A. performing channel estimation, obtaining a response of the channel; B. patterning beams using smart antenna based o...
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WO/2001/011722A1 |
Is meant for the creation of directional antennas. The device contains dielectric elements connected in globe-shaped construction (2, 3), the distribution of dielectric inside which corresponds to the distribution of dielectric constant ...
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WO/2001/009975A2 |
The invention relates to a radar sensor and a radar antenna for monitoring the environment of a motor vehicle. A compact construction is achieved by the planar array of both the control circuit (8) and the radar antenna (4), so that the ...
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WO/2001/004993A1 |
The invention provides an arrangement for use in an antenna array for transmitting and receiving at least one frequency in at least two polarizations, comprising at least two antenna elements (210-208), where each antenna element is inte...
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WO/2001/003242A1 |
This invention is a broadband digital communication system that uses a mulitplicity of interconnected base stations (20) with multi-beam antennas. The multi-beam antennas consist of lenses (47) and reflectors (40) with an array of optica...
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WO/2001/003241A1 |
This invention is a broadband digital communication system that uses a multiplicity of interconnected base stations (20) with multi-beam antennas. The multi-beam antennas consist of lenses (47) and reflectors (40) with an array of optica...
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WO/2001/001520A1 |
A configurable antenna (100) includes a main reflector (102) and at least two subreflectors (104). Each of the subreflectors (104) is configurably disposed relative to the main reflector (102) to provide an active subreflector (106) for ...
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WO/2001/001582A2 |
The physical space available to install both a sector antenna and an adaptive, phased-array antenna at a cellular radio telecommunications base station may be significantly reduced, and the costs associated with manufacturing, installing...
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WO/2000/079300A1 |
A hand-held ultrasound probe system includes integrated electronics within an ergonomic housing. The electronics includes control circuitry, beamforming and circuitry transducer drive circuitry. The probe electronics communicates with a ...
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WO/2000/076027A1 |
Axially symmetric gradient lenses, and antenna systems employing same. In one example, a lens includes an inner volume having one or more inner dielectric constants, and an enclosure having an outer surface that encloses the inner volume...
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WO/2000/076028A1 |
An antenna system including a lens mounted on a conductive ground plane or conductive ground enclosure capable of radiating symmetric or asymmetric radiation profiles. The lens may be a gradient lens with a dielectric constant that varie...
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WO/2000/076030A1 |
Multimode sectored antenna systems for use in wireless communication systems. In one example, the sectored antenna systems provide the capability of flexibly allocating a number of data carriers having different data transporting capacit...
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WO/2000/067345A1 |
The invention concerns an antenna capable of receiving beams from telecommunication satellites on stationary orbit near the equator. The continuous concave reflecting surface (11) of the antenna reflector (1) has an equation deduced from...
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WO/2000/065372A2 |
A wireless tracking system consists of a wireless target including a wireless communication system for transmitting a data packet over a communication path, and a locating station for determining a position of the target. The data packet...
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WO/2000/064007A1 |
A method and system for determining and using beamform factors for forming beams. Maximum and minimum dependent beamform factors (26 B) of an optimum beam are determined from initial beamform factors and an initial parent population of c...
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WO/2000/060767A1 |
A repeater (201-204) includes a filter that passes (f1) alone while a base station (205) uses frequencies (f1, f2 and f3). As a result, the passed frequency (f1) can reach farther so that cells (207-210) using a particular channel (frequ...
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WO/2000/059072A1 |
A beamforming method and device for adaptive antenna arrays containing several antenna elements (1.1 - 1.M) in a frequency duplex system downlink, whereby the antenna weights (W¿k?(f¿S?)) are determined for the antenna elements (1.1 - ...
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WO/2000/059135A1 |
A satellite and ground station (Figure 2) distributed multi-beam communication system, method and computer program product implements a beam forming operation (Figure 6) at the ground station. A ground-based beam forming network is inclu...
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WO/2000/057579A1 |
A communication satellite transmitting system (14) includes communication signal amplifiers (32) (e.g. traveling wave tube (TWT) amplifiers) with outputs that are multiplexed among multiple transmit horns (36), each of which transmits a ...
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WO/2000/054369A1 |
An antenna apparatus for generating transmit signals, receiving return signals based on the transmit signals, and/or receive transmitted signals from other sources is provided. The antenna apparatus includes a beam forming system and a b...
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WO/2000/048272A1 |
This invention relates to an antenna array system. A problem with antenna array systems is that they provide rather inefficient use of hardware and have inflexible resource allocation. The invention provides a flexible antenna array syst...
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WO/2000/041267A1 |
A sectored antenna system has one or more dielectric lenses, each having a surface and two or more antenna feed devices tilted non-parallel to the lens surface and preferably angled in a V pattern. At least one of the feed devices radiat...
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WO/2000/039943A1 |
A radio transceiver station avoids the problems of prior devices that either do not use multi-beam antennas or use multi-carrier power amplifiers, permitting signals from several transceivers to be selectively directed to one antenna lob...
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WO/2000/038079A1 |
The present invention introduces a new approach to optimization problems based on a previous theoretical work on extinction patterns in macroevolution. We name them Macroevolutionary Algorithms (MA). Unlike population-level evolution, wh...
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WO/2000/036705A1 |
Systems and methods for providing antenna beams having reduced grating and side lobes when steered off of the antenna broadside are disclosed. According to the present invention an arrangement of antenna elements suitable for use in gene...
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WO/2000/034740A2 |
The invention relates to a radio measuring method and to auxiliary means thereof for carrying out the method, said auxiliary means being at least one transportable transmitter and at least one transportable receiver. According to the inv...
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WO/2000/033419A1 |
An antenna system that includes a plurality of mounting plates arranged in a generally circular configuration. Each mounting plate has an inside surface and an outside surface. Each antenna element has a high frequency end and a low freq...
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WO/2000/026988A1 |
A first pattern formation section forms an array antenna pattern constituted of all antennas, and second and third pattern formation sections (7, 8) forms an array antenna pattern constituted of a group of antennas by using frequencies d...
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