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Agence Spatiale Europeenne patents (2015 archive)

Recent patent applications related to Agence Spatiale Europeenne. Agence Spatiale Europeenne is listed as an Agent/Assignee. Note: Agence Spatiale Europeenne may have other listings under different names/spellings. We're not affiliated with Agence Spatiale Europeenne, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | Agence Spatiale Europeenne-related inventors

12/03/15 / #20150351043

Transmit power control in a spread-spectrum unslotted random access communication system

A method of transmitting data packets from a terminal (t) to a gateway receiver (gwr) over a channel shared with other terminals using an unslotted spread spectrum random access protocol, characterized in that transmission is performed at a transmit power level given by the sum of a deterministic term, function of a communication link budget, and of a random term, following a predetermined probability distribution. A method of operating a communication system, based on the method of transmitting data packets. ... Agence Spatiale Europeenne

11/26/15 / #20150341098

Beam-forming network for an array antenna and array antenna comprising the same

A beam-forming network for an emitting array antenna having at least nb input ports connected to respective beam ports of the beam-forming network and at least nosa>1 output ports, for associating to each output port a linear combination of input signals from respective input ports; a set of at least nosa lossless single-mode networks, each having an input port connected to a respective output port of multi-beam network and at least nnosaosa>1 output ports, for associating to each output port a signal obtained by weighting an input signal from the input port; and a set of at least nnosa≧nnosaosa lossless multi-mode networks, each having at least nnosaosa nosanosa input ports, each one connected to an output port of a respective single-mode network, and at least nenosa>1 output ports connected to respective antenna ports of the beam-forming network, for associating to each output port a linear combination of input signals from respective input ports.. . ... Agence Spatiale Europeenne

11/19/15 / #20150333412

Array antenna with optimized elements positions and dimensions

A method of manufacturing an array antenna comprising: a design phase wherein an array layout of said array antenna is synthesized and radiating elements are designed to be arranged according to said array layout; and a phase of physically making said array antenna wherein the radiating elements are arranged according to said array layout. The design phase comprises the steps of: defining a continuous reference aperture; subdividing said continuous reference aperture into a plurality of elementary cells with assigned power levels; determining, within each said elementary cell, a position for at least one maximum efficiency radiating element; determining a size and an aperture field amplitude of each said maximum efficiency radiating element, such that a variation of a cumulative field distribution of the resulting array antenna aperture over each said elementary cell is substantially equal to a variation of a cumulative field distribution of said reference aperture over the same elementary cell, subject to size constraints.. ... Agence Spatiale Europeenne

11/19/15 / #20150331080

Re-entry broadcasting alert apparatus, system and method

A re-entry broadcasting alert apparatus having a housing provided with a heat shielda connector for attaching the housing to a space system and releasing it during atmospheric re-entry thereof; a geolocalisation receiver, for determining the position of the apparatus; a processor programmed to determine a hazard area on ground and/or in airspace, where debris from the space system are expected to fall, taking the position of the apparatus as input data; and a transmitter for broadcasting a signal carrying information defining the hazard area; the geolocalisation receiver, processor and transmitter being located within the housing. A re-entry alert receiving device, cooperating with the re-entry broadcasting alert apparatus. ... Agence Spatiale Europeenne

10/29/15 / #20150311973

Data detection method and data detector for signals transmitted over a communication channel with inner-symbol interference

A data detection method, having the steps of: a. Receiving a signal transmitted over a communication channel, the signal being representative of at least a stream of interfering symbols xk, each representing one or more bits of a transmitted message; b. ... Agence Spatiale Europeenne

09/24/15 / #20150270891

Uplink power control method and apparatus for satellite communications networks

An uplink power control method of adjusting an operating point of a high-power amplifier (hpa) of a ground-to-satellite emitter (gwj, gwk, gwl) as a function of propagation attenuation, characterized in that the method includes the steps of: a) determining an optimal output back off value of the high-power amplifier which, for an operational propagation attenuation level, maximizes a signal over noise plus total interference ratio at the satellite taking into account contributions from cochannel and cross-polar interferences, intermodulation interferences and thermal noise; and b) setting the operating point of the high-power amplifier at the optimal output back off value. A ground-to-satellite emitter comprising a high-power amplifier (hpa), a control means (proc) for adjusting an operating point of said high-power amplifier by carrying out such a method.. ... Agence Spatiale Europeenne

08/20/15 / #20150236416

Dual-band multiple beam reflector antenna for broadband satellites

A broadband satellite antenna for producing a dual-band multiple beam coverage in transmission and reception based on an offset dual-optics configuration that includes a single main parabolic reflector, a hyperbolic sub-reflector, a first transmitting multiple-feed-per-beam feed system, and a second receiving multiple-feed-per-beam feed system. The sub-reflector surface is a frequency selective surface configured to transmit any electromagnetic signals in the higher frequency band and to reflect any electromagnetic signals in the lower frequency band. ... Agence Spatiale Europeenne

07/02/15 / #20150188623

Multibeam satellite communication system and method, and satellite payload for carrying out such a method

A satellite communication system including a multibeam satellite for generating a plurality of feeder beams and a plurality of user beams over a region of interest, a plurality of spatially-separated gateway stations for providing feeder links to said multibeam satellite via respective feeder beams; and a control for operating said gateway stations and multibeam satellite such that: in nominal conditions, ngw gateway stations exchange data with k user beams, each of the gateway stations allocating a fraction of its bandwidth to each of the user beams; and in case of fading, data are switched from faded to unfaded gateway stations, whereby none of said user terminals experiences service outage. A method of performing satellite communication using the satellite communication system, and a multibeam communication satellite payload for carrying out the method are provided.. ... Agence Spatiale Europeenne

06/04/15 / #20150151854

Deployable tensegrity structure, especially for space applications

A deployable structure comprises a first and second flexible tension members respectively defining a first and second contours of a ring. A first plurality of rigid compression members extends between the first and second contours. ... Agence Spatiale Europeenne

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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Agence Spatiale Europeenne in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Agence Spatiale Europeenne with additional patents listed. Browse our Agent directory for other possible listings. Page by