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Patent Searching and Data


Matches 601 - 650 out of 2,848

Document Document Title
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 (...  
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...  
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...  
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...  
WO2001037435A3
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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-...  
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...  
WO2001001582A3  
WO/2001/061785A2
An antenna device includes a dual polarized quad-ridge antenna horn an electrically conductive conduit with first and second opposite ends along a horn axis. Four electrically conductive ridges are carried on an inner side of the electri...  
WO2001018975A3  
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...  
WO/2001/054307A1
A matched filter (MF) (110a) of a path searching unit (110) of a searcher (108) subjects a signal received by an AAA (Adaptive Array Antenna) to a spectrum despreading processing. An electric power adding circuit (110c) adds the power of...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
WO1999060656A8
A low-cost spherical reflector and a mechanically scanned antenna system utilizing such reflectors. The system employs one or more (substantially similar) primary spherical reflectors (each a truncated spherical surface), each having an ...  
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...  
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...  
WO2000065372A3
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...  
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...  
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...  
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...  
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...  
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 ...  
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. ...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  

Matches 601 - 650 out of 2,848