Abstract: A mobile communication network system comprising a core network including a core device and at least one static base station; base stations; and Mobile stations communicating via antennae with the base stations; The base stations including at least one moving base station which communicates via antennae with the mobile stations and has a physical e.g.

Abstract: A method operative in conjunction with a cellular communication network having a core element and comprising providing moving relays including base and mobile station functionality and a relay resource manager, all co-located, including providing an emergency moving relay from among the moving relays further including a simulated stationary network that includes a simulated IP connectivity gateway communicating with a simulated mobility management entity. The simulated stationary network simulates a stationary network's operation; the emergency moving relay being a root of a sub tree that includes moving relays and mobile stations, and is configured to utilize its mobile and base station functionalities and relay resource manager for operating in: (i) normal mode: emergency moving relay communicates with other relays in the network and with the stationary network; (ii) emergency mode, including, in response to an emergency event, finding new networks to connect to.

Abstract: For use with a cellular communication network having a base station transmitting downlink signals received by mobile device/s: a downlink signal reception enhancement system including partial repeater apparatus enhancing quality of reception of at least a portion of downlink signal/s by mobile device/s, the partial repeater apparatus including a downlink receiver receiving at least a portion of downlink signal/s arriving from the base station; a controller including a critical region selector, selecting only a portion of at least one individual downlink signal; and a partial transmitter generating signal/s by regenerating, according to characteristic/s of at least one of a downlink signal and the mobile device, at least the portion selected by the critical region selector, and to transmit a signal including at least the regenerated portion plus less than all of the individual downlink signal.

Abstract: Printed circuit board (PCB) apparatus comprising an apertured ground plane defining aperture pattern/s in the ground plane, each aperture pattern including apertures which, taken together, surround most but not all of SMT footprint/s and are interspersed with ground plane region/s which provide/s the SMT component with electrical connectivity to area/s of said ground plane other than said SMT footprint, thereby to maintain functionality of the SMT component including electrical connectivity between said SMT footprint and area/s of said ground plane other than said SMT footprint, while also slowing heat dissipation from the SMT footprint by restricting thermal conductivity between said area and said area's vicinity thereby to raise the temperature in the SMT footprint while a SMT component is being soldered thereto, thereby to at least partly prevent improper soldering of the SMT component which may cause the SMT component to subsequently detach from the board.

Abstract: A method and system are presented for managing operation of a conformal phased-array antenna. The method comprises: providing structural data about the antenna to be operated, said structural data comprising data indicative of a geometry of a curved radiating surface defined by an arrangement of N antenna elements of the phased array and data indicative of said arrangement of N antenna elements; utilizing input data indicative of a selected direction of antenna operation and processing said structural data about the antenna, said processing comprising determining operational data for each of the antenna elements defining a desired radiation pattern of the antenna for said selected direction, said operational data comprising amplitude, phase and polarization of radiation for each antenna element.

Abstract: A cellular communication system comprising a population of cellular communication network nodes comprising a stationary core, a plurality of base stations, and at least one node having mobile station functionality; and a client tunneling functionality co-located with the node having mobile station functionality which is operative to use network topology information obtained via the mobile station functionality to initiate generation of a tunnel having a first end at the node and a second far end at the stationary core.

Abstract: A method of communicating information from a sensor concerning a received signal, comprising: responsive to receiving by at least one detecting sensor, during a defined time interval, data indicative of an entire data of a frequency band received by it during the defined time interval, comprising at least one signal emitted at least one emitter, and to detecting of the emitted signal by the at least one detecting sensor, sending from the sensor assistance information corresponding to the detected emitted signal during the defined time interval, to at least one non-detecting sensor. This information can be utilized by the non-detecting sensor to perform an action with respect to data indicative of an entire data of the frequency band received by the non-detecting sensor during a corresponding defined time interval, the action corresponding to at least one emitted signal received by the non-detecting sensor during the corresponding defined time interval.

Abstract: A device for detecting and/or tracking a projectile has a receiving antenna, for receiving at least an electromagnetic signal emitted by at least one radar, at least one amplifier configured to amplify the electromagnetic signal received by the receiving antenna, and at least one emitting antenna. The emitting antenna is configured to return, at an output of the device, an amplified electromagnetic signal for calculating data indicative of the trajectory of the projectile based at least on the amplified electromagnetic signal. A system for detecting a projectile has a transmitting device mounted on the projectile, a radar configured to sense an electromagnetic signal produced and sent by the transmitting device. The signals emitted from the projectile are limited to the electromagnetic signal sent by the transmitting device, and a processing unit, configured to calculate data indicative of the trajectory of the projectile, based on the sensing of the electromagnetic signal.

Abstract: At least one embodiment of the present invention includes an antenna system comprising a multifocal reflector having at least two reflecting segments having different curvatures defining at least two different spaced apart focal points, such that the multifocal reflector is configured and operable to receive radiation incident on the segments at different incident angles within a certain angular range, and reflect the incident radiation onto the at least two focal points in a focal axis, thereby creating focused radiation formed by at least two differently focused portions of radiation; a phased array feed antenna unit located perpendicularly to the focal axis and comprising a plurality of antenna elements for receiving/transmitting at least two differently focused portions, and a feed network connected to the plurality of the antenna elements for selectively actuating the antenna elements for performing electronic scanning of the space area aimed at detecting target.

Abstract: A system for multicarrier cellular communication in a cellular network including a multiplicity of nodes, the system comprising, at an individual moving relay from among the multiplicity of nodes, an rBS having downlink communication, according to a protocol, with UEs served thereby; and a co-located rRM (relay Resource Manager) having a controller; wherein the controller is operative to induce the rBS to generate a selective minimally interfered region in a domain and/or to coordinate between schedulers in the relay to ensure that each user has its own time and/or frequency such that channels do not overlap because time and/or frequency are shifted to prevent the overlap.

Abstract: There are provided a method of locating a transmitting source in multipath environment and system thereof. The method comprises: obtaining, by each receiver k of a plurality of spatially separated receivers, a sequence of samples of a signal received by the receiver, each sample respectively associated with a time of obtaining said sample, wherein one or more receivers m among the plurality of receivers k each obtain a respective sequence of samples over a plurality of different positions along a respective trajectory r(t) with respect to the site associated with the respective receiver m; and processing the obtained sequences of samples to identify the most likely location of the transmitting source. Optionally, most likely location can be estimated using a grid of potential locations within an area of interest.

Abstract: A flash detection device comprises at least a first and a second sensor module, wherein each of the sensor modules comprises at least a photodiode for detecting an irradiance emitted by a source, and the first sensor module comprises at least an angular efficiency attenuator configured for attenuating the irradiance received by the photodiode according to a predetermined angular efficiency profile, wherein the at least first and second sensor modules are configured for collecting light from substantially the same field of view, and the angular efficiency attenuator of the first sensor module causes the first and second sensor modules to have complementary predetermined angular efficiency profiles, so that, for angles of view within a common field of view of the first and second sensor modules, a combination of irradiance measurements of the first and second sensor modules enables to derive an irradiance source angle of the source.

Abstract: A calibration network system for an array antenna and method for calibrating of the array antenna are described. The system includes a pair of rectangular waveguides stacked in parallel relation to each other and spaced apart at a distance of a quarter of an operating wavelength. The rectangular waveguides includes through-holes extending through a side-wall of the stacked rectangular waveguides from a bottom of a lower waveguide to a top of an upper waveguide to accommodate coaxial transmission lines. The side-wall has openings between the through-holes and an interior region of the rectangular waveguides in order to provide coupling of the coaxial transmission lines into the pair of rectangular waveguides. The system includes 90 degree phase shifter coupled to the upper rectangular waveguide, and a power divider/combiner coupled to a reference T/R Module, to the 90 degree phase shifter and to the lower rectangular waveguide.

Abstract: A carrier plate configured for mounting thereto of a plurality of communication units to form a phased array antenna; The carrier plate is integrally formed with a plurality of sockets, each of the sockets being adapted to receive therein at least one of the plurality of communication unit; The carrier plate is further integrally formed with one or more cooling channels extending along the carrier plate and associated with the sockets; The channels are configured for passage of a cooling fluid therethrough for cooling of the plurality of units during operation of the antenna.

Abstract: Systems and methods are provided for underwater use. In one example the system includes an autonomous mother unmanned underwater vehicle (AMUV) and one or more auxiliary unmanned underwater vehicles (UUV). The AMUV is configured for autonomously searching for and detecting undersea objects potentially present in an undersea region of interest (ROI), for generating object information relating to the objects detected thereby to enable identification of at least one object of interest (OOI) among the detected objects, and for selectively transporting the UUV to at least within a predetermined distance from a location of the OOI. The UUV is configured for interacting with the OOI at least within the predetermined distance. Such a system is further configured for providing verification information indicative of the interaction between the UUV and the OOI. The AMUV includes a communications system at least configured for transmitting at one or both of the verification information and the object information.

Abstract: A moving cellular communication system comprising at least one upgraded moving relay including at least two base station functionalities and at least one mobile station functionality and a relay resource manager, all co-located, wherein each base station functionality from among the at least two base station functionalities of the upgraded moving relay is operative to communicate via antennae with at least one mobile station thereby to define a first radio link therebetween, and wherein each base station functionality has a connection to its co-located relay resource manager, wherein each mobile station functionality of the upgraded moving relay communicates via antennae with a unit which has base station functionality thereby to define at least one second radio link, respectively, wherein the relay resource manager in each individual moving relay comprises a radio resource manager; and functionality for exchanging information with relay resource managers is included in moving relays other than the individual

Abstract: The present disclosure provides a method including memorizing a sequence of high-resolution images of a scene in a buffer, obtaining radiation emission readings from one or more photo detectors, detecting a suspected flash event based on processing the radiation emission readings from the one or more photo detectors. The method may further include that the detecting occurs at a first instant, retrieving from the buffer high-resolution images of the scene including at least one image that was captured prior to said first instant, and processing the high-resolution images of the scene to determine a geolocation of the suspected flash event.

Abstract: A semiconductor substrate structure and process for fabrication of the semiconductor substrate structure are described. The semiconductor substrate structure includes a silicon carbide (SiC) wafer substrate, an active gallium nitride (GaN) layer and a layer of microcrystalline diamond (MCD) layer disposed between the SiC wafer substrate and the GaN active layer. The MCD) layer is bonded to the SiC wafer substrate and to the GaN active layer.

Abstract: The presently disclosed subject matter includes: calculating link-budget of at least one antenna on-board a vehicle with respect to at least one target antenna; the link-budget comprises a respective link-budget value assigned to each pixel in a collection of pixels, where each pixel in the collection of pixels represents a respective radiation vector in a three-dimensional space around the at least one antenna; determining for each pixel in the collection of pixels, compliance of the respective link-budget value with a sensitivity threshold value of the transceiver, thereby obtaining a respective antenna envelope of the at least one on-board antenna; displaying on a computer display device graphical representation of a pixel map representing at least the respective antenna envelope; continuously monitoring dynamics of the input data for repeatedly updating the pixel map, and displaying an updated graphical representation of the pixel map.

Abstract: A cellular system that includes one or more moving relays, each having one or more add-on Interference Cancellation Modules (ICMs) capable of generating a cleaner signal by increasing the Signal-to-Interferer Ratio (SIR), thereby cancelling interference. The interference originates from intra-network or from out-of-network source. The system enables cellular communication between two or more mobile stations, in a geographic area that lacks adequate cellular coverage by one or more stationary base station.