Abstract: An optical system. The optical system includes: a light source, a base holder comprising first and second fastening regions, and an optical unit comprising third and fourth fastening regions. The optical unit is fastened to the base holder in a joining direction oriented transversely to the fastening regions, such that the first fastening region is glued to the third fastening region and the second fastening region is glued to the fourth fastening region. The light source is fastened in a predefined position and with a predefined orientation relative to the base holder. The third and fourth fastening regions are provided on the optical unit so as to be spaced apart from one another in the joining direction between the optical unit and the base holder. The optical unit is configured to influence a light beam emitted by the light source toward the optical unit.

Abstract: A method for calibrating and/or adjusting a lidar system. In the method, in order to perform a measurement-based comparison with respect to an underlying one-dimensionally or two-dimensionally detecting detector unit, a distribution of secondary light incident from the field of view and imaged onto the detector unit, and a center position and/or width of the distribution is/are acquired as position data and compared especially with presumed and/or expected position data featuring an expected center position and/or an expected distribution.

Abstract: A lidar sensor including a viewing window and a cleaning unit. The lidar sensor has a vertical axis that connects a first side of the lidar sensor to a second side of the lidar sensor opposite the first side. The viewing window is situated on a front side of the lidar sensor, which connects the first side to the second side. The lidar sensor has a rear side, which connects the first side to the second side. The cleaning unit is situated on the front side of the lidar sensor, and extends along a direction of the vertical axis over the front side when the cleaning unit is in a park position. The lidar sensor being suited to be installed and operated on a vehicle in such a way that, optionally, the first side or the second side is an upper side of the lidar sensor.

Abstract: A LIDAR sensor for optically detecting a field of view. The LIDAR sensor includes an emitting unit including at least one light source for generating/outputting primary light into a first angle range of the field of view; a deflection unit for deflecting primary light into a second angle range; and a receiving unit. The emitting unit outputs the primary light as a first transmission beam including two edge rays and as at least one second transmission beam including two edge rays into at least two partial ranges of the first angle range. The emitting unit outputs the first transmission beam so that its first edge ray is incident on a first edge area of a surface of the deflection unit, and outputs the second transmission beam so that its first edge ray is incident on a second edge area opposite to the first edge area.

Abstract: A LIDAR system including a light source for emitting a light pulse along an optical axis, a deflection device to oscillatingly deflect the optical axis in first and second spatial directions so that the optical axis repeatedly runs through a two-dimensional scan pattern, and a control unit for activating and deactivating the light source. The oscillating deflection in the first spatial direction is achieved by repeated first partial movements and second partial movements. The oscillating deflection in the second spatial direction is achieved by repeated third partial movements and fourth partial movements. The control unit activates the light source to emit a light pulse at predefined locations of the scan pattern, and activates the light source to emit a light pulse at different pixels during the first partial movements and/or third partial movements than during the second partial movements and/or fourth partial movements.

Abstract: A LIDAR sensor including an optical transmitting unit configured to emit a scanning beam in the direction of an optical axis of the optical transmitting unit, an optical receiving unit configured to receive the reflected scanning beam after the scanning beam has been reflected in the surroundings, a deflection optical system including a first mirror surface and a second mirror surface, the optical axis of the optical transmitting unit being directed onto the first mirror surface, and the optical axis of the optical receiving unit being directed onto the second mirror surface, the optical transmitting unit and the optical receiving unit being situated in an optical path of the LIDAR sensor on a shared first side of the deflection optical system, and a scanning unit situated in the optical path of the LIDAR sensor on a second side of the deflection optical system and configured to guide the scanning beam.

Abstract: Embodiments provide a connection box, a main box, and a base station transceiver. The connection box 10 of the base station transceiver 100is operable for connecting a backhaul processing component of the base station transceiver 100 to a backhaul access system of a mobile communication system. The connection box 10 comprises a housing 12 for an electronic backhaul processing component of the base station transceiver 100 of the mobile communication system and means for mounting 14 a main box 20 with a front end processing component of the base station transceiver 100 of the mobile communication system. The main box 20 comprises a housing 22 for an electronic front end processing component of the base station transceiver 100 and means for attaching 24 the main box 20 to the connection box 10 with the backhaul processing component of the base station transceiver 100.

Abstract: An endpoint or other communication device of a communication system includes a clock recovery module. The communication device is operative as a slave device relative to another communication device that is operative as a master device. The clock recovery module comprises a clock recovery loop configured to control a slave clock frequency of the slave device so as to synchronize the slave clock frequency with a master clock frequency of the master device. The clock recovery loop utilizes a frequency error estimator implemented as a maximum-likelihood estimator with slope fitting based on a sequence of arrival timestamps, and a loop filter implemented as a series combination of an adaptive-bandwidth filter and a proportional-integral controller.

Abstract: An apparatus (D) is dedicated to processing E1 data frames in communications network equipment (ETPL) including at least one E1 line interface unit (LIU1). The apparatus (D) includes a processor adapted, on receiving from at least one E1 interface unit (LIU1) at least one E1-type frame addressed to a given E1 destination port, to encapsulate that E1-type frame in a payload data field of an Ethernet frame in order to send it to an Ethernet destination port providing access to the given E1 destination port.

Abstract: A voltage standing wave ratio (VSWR) measurement device for orthogonal frequency division multiplexing (OFDM) signal, in particular code division multiple access (CDMA) signals, comprising a radio frequency switch, a unit for converting the signal from the radio frequency (RF) switch into the digital base band, means for extracting a pilot signal out of a multitude of OFDM/CDMA signals, a timing unit and a code generator associated with said extraction means and a controller.

Abstract: An endpoint or other communication device of a communication system includes a clock recovery module. The communication device is operative as a slave device relative to another communication device that is operative as a master device. The clock recovery module comprises a clock recovery loop configured to control a slave clock frequency of the slave device so as to synchronize the slave clock frequency with a master clock frequency of the master device. The clock recovery loop utilizes a frequency error estimator implemented as a maximum-likelihood estimator with slope fitting based on a sequence of arrival timestamps, and a loop filter implemented as a series combination of an adaptive-bandwidth filter and a proportional-integral controller.

Abstract: A method for generating an internal clock in a radio network controller and a relevant transmission processing board. The transmission processing board comprises; a clock signal selector for extracting a clock signal from a synchronous/asynchronous line connected with a core network when said transmission processing board functions as a master transmission processing board, or for obtaining a clock signal from a clock bus of a sub-rack in which said transmission processing board is located when said transmission processing board functions as a slave transmission processing board; a phase-locked loop for generating a reference transmission clock based on the clock signal extracted or obtained by said clock signal selector; and a clock driver for transmitting the generated reference transmission clock to the clock bus of the sub-rackin which said transmission processing board is located when said transmission processing board functions as a master transmission processing board.

Abstract: The present invention relates to a digital mobile communication network component comprising means for selecting a first or a second interleaving length, the selection being dependent on network traffic, the means for selecting being adapted to be coupled to means for communication over a digital mobile communication network, such as a UMTS network, the means for communication having interleaving means for data packets.

Abstract: An apparatus (D) is dedicated to processing E1 data frames in communications network equipment (ETPL) including at least one E1 line interface unit (LIU1). The apparatus (D) includes processor means adapted, on receiving from at least one E1 interface unit (LIU1) at least one E1-type frame addressed to a given E1 destination port, to encapsulate that E1-type frame in a payload data field of an Ethernet frame in order to send it to an Ethernet destination port providing access to the given E1 destination port.

Abstract: A voltage standing wave ratio (VSWR) measurement device for orthogonal frequency division multiplexing (OFDM) signal, in particular code division multiple access (CDMA) signals, comprising a radio frequency switch, a unit for converting the signal from the radio frequency (RF) switch into the digital base band, means for extracting a pilot signal out of a multitude of OFDM/CDMA signals, a timing unit and a code generator associated with said extraction means and a controller.

Abstract: One of the objects of the invention is a method for improved handling of dynamic bandwidth changes in a transport network using inverse multiplexing such that at least one connection end-point of a connection does not correspond to an inverse multiplexing end-point, a method including a step wherein said at least one connection end-point is informed of said bandwidth change by at least one inverse multiplexing end-point aware of said bandwidth change.

Abstract: The present invention provides a method for generating an internal clock in a radio network controller and a relevant transmission processing board. The transmission processing board comprises: a clock signal selector for extracting a clock signal from a synchronous/asynchronous line connected with a core network when said transmission processing board functions as a master transmission processing board, or for obtaining a clock signal from a clock bus of a sub-rack in which said transmission processing board is located when said transmission processing board functions as a slave transmission processing board; a phase-locked loop for generating a reference transmission clock based on the clock signal extracted or obtained by said clock signal selector; and a clock driver for transmitting the generated reference transmission clock to the clock bus of the sub-rack in which said transmission processing board is located when said transmission processing board functions as a master transmission processing board.

Abstract: The invention relates to a method and to an electronic circuit for clipping of at least first CS1 and second input CS2 signals to provide an output signal which does not exceed a predefined threshold, the electronic circuit comprising input means for inputting of a first sample of the first input signal and of a second sample of the second input signal, means 12 for applying a criterion on the first and second samples, means for clipping the first and/or second sample if the criterion is fulfilled in order to enable subsequent filter and summation operations of the first and second input signals such that the predefined threshold is not exceeded.

Abstract: The present invention relates to a digital mobile communication network component comprising means for selecting a first or a second interleaving length, the selection being dependent on network traffic, the means for selecting being adapted to be coupled to means for communication over a digital mobile communication network, such as a UMTS network, the means for communication having interleaving means for data packets.

Abstract: In a cabinet (1) for telecommunications engineering, with a frame rack containing at least one module carrier (2) designed to receive plug-in units, and a ventilating installation for cooling the plug-in units, the ventilating installation comprises at least one fan insert (13) with several vertically blowing axial fans, which can be plugged in and integrated into the module carrier (2). The fan insert (13) is located under transverse supports of the module carrier (2) and has at least one plug connector at the rear, which makes contact with a secondary plug connector provided on the rear wiring panel (10).