A method of processing a plurality of received digitized signals may include determining a plurality of cross-correlation coefficients for the plurality of received digitized signals; forming a cross-correlation coefficient vector including the plurality of cross-correlation coefficients; and determining an evaluation value for at least some of the plurality of cross-correlation coefficients. The determining the evaluation value may include: pre-selecting a predefined number of cross-correlation coefficients from the cross-correlation coefficient vector and deleting the pre-selected number of cross-correlation coefficients from the cross-correlation coefficient vector; after the pre-selection, determining an averaging value using at least one of the non-preselected cross-correlation coefficients of the cross-correlation coefficient vector; and determining the evaluation values based on the respective value of the pre-selected cross-correlation coefficient and the averaging value. The method may further include selecting one or more cross-correlation coefficients based on the determined evaluation values; and further processing based on the selected one or more cross-correlation coefficients.

Examples disclosed herein relate to a radar system for use in millimeter wave applications. The radar system includes a lighting device, such as a light bulb or an array of light emitting diodes (LEDs). The radar system further includes an array of transmit elements to transmit at least one transmit signal, where at least one transmit signal reflects off of at least one object to generate at least one receive signal. The array of transmit elements is configured around at least a first portion of a perimeter of the lighting device. Also, the radar system includes an array of receive elements to receive at least one receive signal, where the array of receive elements is configured around at least a second portion of the perimeter of the lighting device.

A multipath switching system comprising of an adjustable phase shift array includes, an adjustable phase shift array module and a control module. The adjustable phase shift array module receives a radio-frequency (RF) signal, and includes at least one RF switch, at least one coupler and at least one phase shifter. The at least one RF switch, the at least one coupler and the at least one phase shifter form a number of transmission paths. The transmission paths respectively produce the processed transmission RF signals corresponding to different phase shifts to an antenna array. The control module controls the at least one RF switch and the at least one phase shifter of the adjustable phase shift array module, so that the antenna array radiates a wireless signal whose direction is corresponding to a predetermined angle in space polar coordinates.

A phased array antenna system may include a plurality of radio frequency (RF) tile sub-arrays arranged in a certain pattern to define an RF aperture. Each RF tile sub-array may include a multiplicity of RF elements and each RF element may be separately controlled for steering or tracking an RF beam generated or received by the RF element. The phased array antenna system may also include an antenna controller configured to process data for steering or tracking one or more RF beams by the multiplicity of RF elements. The antenna controller may additionally include a plurality of aperture state machines. An aperture state machine may be associated with each RF tile sub-array for controlling operation of the associated RF tile sub-array. The phased array antenna system may further include a plurality of RF tile buses. One RF tile bus operatively couples each aperture state machine to the RF tile sub-array.

A mobile terminal, operational both to receive and transmit, may comprise a mobile antenna and an antenna controller that may be configured to control the mobile antenna at least for keeping it pointed towards the satellite, e.g. as the mobile terminal and/or the satellite move. Disclosed is a method that may be used by the antenna controller for optimizing the pointing of the mobile antenna, the method may be based on assessing both the reception quality and the transmission quality. This method may be used for overcoming degradation, mainly to transmission quality, that may result from squints between an optimal reception direction and an optimal transmission direction associated with the mobile antenna.

A phased array antenna (1) includes: a plurality of antenna elements (11a to 11d); a plurality of signal paths (R11 and R12) that are connected to each of the antenna elements; a storage unit (M) configured to store a set values of at least one of amplitudes or phases of a signal passed through at least one predefined reference path among the plurality of signal paths with regard to at least one of the antenna elements, and an amplitude and phase control unit (22 or 26) configured to control at least one of the amplitude or the phase of the signal passed through the reference path connected to the antenna element by using the set value stored in the storage unit, and configured to control amplitude or phase of signal passed through the signal path other than the reference path.

Dual resonance pattern reconfigurable antennas for sensing and communication are disclosed. A dual resonance pattern reconfigurable antenna includes a substrate, a patch antenna, a trace assembly that extends around a perimeter of the patch antenna, and a PIN diode. The trace assembly includes a first trace and a second trace. The first trace extends along a first trace length of the first side perimeter and is separated from the first side perimeter. The second trace includes a second trace top side segment that extends along the top side perimeter. A first gap separates the second trace from the first trace. The PIN diode is connected between the first trace and the second trace. The antenna is reconfigurable between a first biasing state and a second biasing state. The PIN diode is in an ON-state in the first biasing state. The PIN diode is an OFF-state in the second biasing state.