Abstract: A system for determining the position of a transport vehicle that can be moved over a floor, in particular a heavy-load transport vehicle, comprising an antenna which can be attached to a lower face of the transport vehicle and a transponder which can be introduced into the floor at a specific location and which can be charged by means of a transmission field that can be generated by the antenna during a transmission interval and can be evaluated during a subsequent evaluation interval. The system is designed such that the evaluation interval is discontinued and a new transmission interval is started if a signal of the transponder cannot be detected during a detection interval within the evaluation interval.

Abstract: A system for managing data related to at least one leaf node device, the system including a location processing engine located on a server that is remote from the at least one leaf node device; at least one point of interest (POI) device for collecting data relating to at least one leaf node device and transmitting the collected data with a timestamp using Bluetooth Low Energy (BLE); at least one reader node device for receiving the collected data from the point of interest (POI) device using BLE and transmitting the collected data to the location processing engine; and a database of the known locations of POI devices, wherein the known locations are used as a basis for determining the location of the at least one leaf node device that communicated with the POI device.

Abstract: A transmitter includes a processing circuit to generate I level data and Q level data that, when respectively converted to I baseband input and Q baseband input, cause a carrier signal modulated by the I baseband input and the Q baseband input to have a desired edge shape in the time domain. The edge shape includes a low portion, a high portion, and an edge portion between the low portion and the high portion. The edge portion has a desired edge time compatible with the frequency of the carrier signal. The transmitter further includes a digital-to-analog converter (DAC) to convert the I level data to the I baseband input and the Q level data to the Q baseband input, and an in-phase and quadrature (I/Q) modulator to perform I/Q modulation of the carrier signal according to the I baseband input and the Q baseband input.

Abstract: A method for determining a distance between a first radio signal transceiver and a second radio signal transceiver using narrowband ranging comprises calculating a preliminary estimate of a value proportional to a one-way frequency domain channel response, based on measurements of signal phase and signal strength; calculating, for pairs of adjacent frequencies, an estimate of a value proportional to a time synchronization offset between a clock used by the first radio signal transceiver and a clock used by the second radio signal transceiver, and determining a final estimate of a value proportional to the one-way frequency domain channel response based on the preliminary estimate and adjacent estimates for the value proportional to the time synchronization offset, where the final estimate is used for the final distance determination.

Abstract: A relay communications system is described in which a base station receives a request from an MME that an overload procedure be started or stopped. The base station inserts the identity of the MME into the request and forwards the modified request to a relay node. The relay node then initiates or terminates the overload procedure in accordance with the request for mobile telephones which the MME that made the request serves, but not for mobile telephones which the MME does not serve.

Abstract: A method (400) of detecting an object using a radar system is disclosed. The method comprises transmitting (401) a first radar beam having a first frequency and first radiation pattern (301) from an antenna (500), the first radiation pattern comprising a peak at zero azimuth angle, and detecting (402) a first signal from the object due to a reflection of the first radar beam. A second radar beam having a second frequency and second radiation pattern (302) is transmitted (403) from the antenna (500), the second radiation pattern comprising a peak at a non-zero azimuth angle. A second signal due to a reflection of the second radar beam from the object is detected (404), and the first signal and the second signal compared (405) to determine an angular location of the object relative to the zero azimuth angle.

Abstract: A method of detecting an object is disclosed, comprising generating a transmission signal by generating a carrier signal and digitally modulating the carrier signal with a transmission modulation signal, and transmitting the transmission signal. A reflected signal is received, the reflected signal having been reflected from the object, and demodulated to extract a received modulation signal. The received modulation signal is correlated with the transmission modulation signal and a range of the object is determined from the correlation of the received modulation signal and the transmission modulation signal.

Abstract: An electronic device according to various embodiments of the present invention may include at least one antenna, a communication module, a sensor module for sensing a direction of the electronic device, and a processor, wherein the processor may be configured to receive at least one wireless communication signal from a first external electronic device through the communication module, obtain direction information of the electronic device using the sensor module, receive at least one wireless communication signal information received at a second external electronic device and direction information of the second external electronic device from the second external electronic device, and determine the direction in which the first external electronic device is located, by using the at least one wireless communication signal information received from the first external electronic device, the direction information of the electronic device, and the at least one wireless communication signal information and the direct

Abstract: An FMWC radar sensor for motor vehicles, having a high-frequency oscillator, which is developed to generate a frequency-modulated transmit signal that has a periodically repeating series of modulation sequences having different modulation patterns, and having an evaluation device for evaluating the received radar echo according to the FMCW principle, wherein the series of the modulation sequences includes a special class of modulation sequences whose duration is longer than that of any other modulation sequence not belonging to this class and whose frequency swing is smaller than that of any other modulation sequence, and the evaluation device is developed to carry out a measurement of the ego velocity of the vehicle on the basis of a radar echo that is received from non-moving objects during the modulation sequences that belong to the special class.

Abstract: In one embodiment, a radio altimeter tracking filter is provided. The filter comprises: a wireless radio interface; a processor coupled to the wireless radio interface; a memory coupled to the wireless radio interface; wherein the wireless radio interface is configured to wirelessly receive a radio altimeter signal and convert the radio altimeter signal to a baseband frequency signal, wherein the a radio altimeter signal sweeps across a first frequency spectrum between a first frequency and a second frequency; wherein the processor is configured to pass the baseband frequency signal through a filter executed by the processor, the filter comprising a passband having a first bandwidth, and wherein the filter outputs a plurality of spectral chirps in response to the baseband frequency signal passing through the first bandwidth; wherein the processor is configured to process the plurality of spectral chirps to output characteristic parameters that characterize the radio altimeter signal.

Abstract: An electronic warfare asset management system allows for pre-mission planning and ranking of emitter targets within a theater of operations while further allowing real-time adjustments to the emitter rankings. The asset management system may further evaluate and optimize asset architecture to allow multiple assets to work in parallel to increase the probability of intercept for any specific target emitter.

Abstract: A sensor includes circuitry and a memory, wherein the circuitry acquires an N×M first matrix having complex-number transfer function components representing propagation characteristics between a transmit antenna element and a receive antenna element, from N receive signals received by each of M receive antenna elements for a predetermined period. The circuitry extracts a second matrix, corresponding to a predetermined frequency range from the first matrix, representing components influenced by a vital sign, and estimates a position of the organism with respect to the sensor by using the second matrix. The circuitry also calculates a first distance, indicating a distance between the organism and the transmit antenna, and a second distance, indicating a distance between the organism and the receive antenna. The circuitry further calculates a radar cross-section value with respect to the organism, and estimates a posture of the organism.

Abstract: A rotating element is mounted in a base body for rotation about an axis of rotation. An excitation circuit generates an excitation signal. A divider circuit divides the excitation signal into a base signal supplied to an evaluation circuit and into an outgoing signal supplied to a transceiving antenna. A waveguide circulates in an annular manner about the axis of rotation. The rotating element comprises a termination element protruding into the waveguide and has a reflective side. The transceiving antenna emits an electromagnetic signal into the waveguide propagating in two directions which is reflected from the reflective side and returned to and received by the transceiving antenna which generates in response a receiving signal supplied to the evaluation circuit which determines a position of rotation of the rotating element in relation to a reference position of rotation by evaluating the base signal and receiving signal in a resolution region.

Abstract: A radar system (200, 200a) and a method of operating a radar system are described, the radar system (200, 200a) comprising: a plurality of ICs (210, 220), each IC (210, 220) comprising: a respective LO output (212, 222) for selectively outputting a respective LO signal, and a respective LO input (214, 224); and a coupling device (230, 330), the coupling device (230, 330) comprising: a plurality of inputs (232, 234; 341, 342, 351, 352), each input being coupled to the LO output (212, 222) of a respective IC (200, 200a), and a plurality of outputs (236, 238; 363, 364, 373, 374), each output being coupled to the LO input (212, 222) of a respective IC (214, 224); wherein the coupling device (230, 330) is configured such that a LO signal arriving at any one of said plurality of inputs (232, 234; 341, 342, 351, 352) is distributed to each of said plurality of outputs (236, 238; 363, 364, 373, 374). The coupling device (230, 330) may comprise at least one directional coupler.

Abstract: Disclosed are devices, systems and techniques for propagating a system time maintained at a mobile device in a lower power mode using a sleep counter advanced by an XO crystal oscillator. In one particular implementation, a mobile device obtains initial and subsequent satellite positioning system fixes while in a higher power mode. Between the initial and subsequent position fixes, the mobile device may transition to a lower power mode during which measurements of a temperature of the XO crystal oscillator may be obtained.

Abstract: A velocity detection apparatus includes a velocity detection section, a candidate detection section, a range setting section, and a selection section. The range setting section sets an observation range of the relative velocity with respect to a range which corresponds to the vehicle velocity detected by the velocity detection section and is less than twice a Nyquist velocity corresponding to a repetition period of the pulses. The selection section selects, as the relative velocity, a candidate which falls within the observation range set by the range setting section out of candidates for the relative velocity detected by the candidate detection section.

Abstract: A system for calibrating a transmitting unit includes an arrangement of at least four transmitting units. A first transmitting unit has stored position data with respect to a setpoint position of the first transmitting unit. The first transmitting unit is designed to emit a first transmission signal to each of the three remaining transmitting units, each of which is designed to receive the first transmission signal and, thereafter, to return a first response signal to the first transmitting unit. The first transmitting unit is designed to determine its relative position data with respect to the three remaining transmitting units on the basis of the first response signals returned and to detect a deviation between the stored position data and the relative position data determined and to carry out a calibration of a transmission parameter of the first transmitting unit on the basis of the detected deviation.

Abstract: The invention comprises a system of using small, hidden, machine-to-machine (M2M) chips to track automobiles through the radio emissions of the chips, and to use M2M chips as a defense against theft generally, by tracking potentially stolen items through the radio emissions of M2M chips. Users can monitor potential theft of the different parts of an automobile because the chips embedded into the automobile components will be constantly communicating with each other. Spacecraft and other near-earth objects, and drones, can also be tracked by M2M chips, that can be designed in a manner that makes them extremely difficult to find. The M2M chips can be designed in numerous different shapes, and use very little power. Some of the M2M chips are silicon wafer chips with small logic gates.

Abstract: An apparatus is described that, according to an exemplary embodiment, has an RF oscillator for generating an RF oscillator signal at a first frequency and a frequency divider having a division ratio that is fixed during operation. The frequency divider is supplied with the RF oscillator signal and is configured to provide an oscillator signal at a second frequency. The apparatus further has a monitor circuit, to which the oscillator signal at the second frequency is supplied and which is configured to measure the second frequency and to provide at least one digital value that is dependent on the second frequency of the oscillator signal. The at least one digital value is provided on a test contact.

Abstract: A radar transmitter transmits a radar signal through a transmitting array antenna at a predetermined transmission period, and a radar receiver receives a reflected wave signal which is the radar signal reflected by a target through a receiving array antenna. A transmitting array antenna and a receiving array antenna each include multiple subarray elements, the subarray elements in the transmitting array antenna and the receiving array antenna are linearly arranged in a first direction, each subarray element includes multiple antenna elements, the subarray element has a dimension larger than a predetermined antenna element spacing in the first direction, and an absolute value of a difference between a subarray element spacing of the transmitting array antenna and a subarray element spacing of the receiving array antenna is equal to the predetermined antenna element spacing.