Rohde & Schwarz Patente

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The invention relates to a radio for a radio network (10) with dynamic and distributed radio resource allocation. The radio (12) comprises a sensing module (20) that is configured to sense a radio spectrum, thereby obtaining sensing data. The radio (12) comprises a transmission module (16) that is configured to transmit a radio signal. The sensing module (20) and the transmission module (18) are interconnected with each other such that the sensing module (20) is configured to forward information associated with the sensing data to the transmission module (18) for transmitting the information encompassed in a radio signal to a second radio (13) of the radio network (10). Further, a radio network (10) and a method of allocating radio resource in a dynamic and distributed manner are described.

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A method for GSM silent call prolongation comprises a first step of activating a mobile station by establishing a mobile terminated call, MTC, communication link to the mobile station. The establishing of the MTC communication link is performed without sending an assignment command message to the mobile station. The method comprises a second step of sending a first unrealizable SETUP message to establish the silent call. The method comprises a third step of sending at least one more unrealizable SETUP message to prolong the silent call.

A circuit board (14) for a handheld radio is described. The circuit board (14) comprises a rigid mounting portion (22), a flexible connecting portion (24) for electronically connecting the circuit board (14) to other electronic components, at least one grounding portion (28) for grounding the circuit board (14), and at least one electronic circuit. The at least one electronic circuit is provided on a top side of the mounting portion (22). The mounting portion (22) comprises an elastic mounting member (36) on a bottom side of the mounting portion (22), which is opposite to the top side. Further, a control unit, an electronic device, and a method for assembling an electronic device are described.

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Die vorliegende Erfindung betrifft ein Empfangsgerät zum signalsensitiven Empfangen von Funksignalen, insbesondere für den Einsatz in der Radioastronomie, mit einem Gehäuse, mit zumindest einem am Gehäuse vorgesehenen Eingangsanschluss, der zur Aufnahme von Funksignalen mit einer Empfangsantenne des Empfangsgeräts gekoppelt ist oder mit einer externen Empfangsantenne koppelbar ist, mit einer Vielzahl von gleichartigen Empfängerschaltungen, die innerhalb des Gehäuses derart verschaltet sind, dass sie voneinander unabhängig betreibbare Signalzüge aufweisen, mit einer steuerbaren Schaltvorrichtung, die dazu ausgebildet ist, die Vielzahl von Signalzügen der Empfängerschaltungen durch Umschalten nacheinander zyklisch auf den Eingangsanschluss aufzuschalten, und mit einer ausgangsseitigen Summationsvorrichtung, die dazu ausgebildet ist, die durch zyklisches Umschalten ausgangsseitig der jeweiligen Empfängerschaltungen anliegenden Ausgangssignale miteinander aufzusummieren.

A system (10) for analyzing data traffic is described. The system (10) comprises a data processing module (12), wherein the data processing module (12) comprises a plurality of data processing units (22). The plurality of data processing units (22) comprise a first data processing unit and a second data processing unit. The data processing units (22) each comprise a data input (24) for receiving a data stream (s_i) and a result output (26) for outputting a result. The first data processing unit is configured to analyze data packets and/or bulks of data packets by means of a first deep packet inspection technique. The second data processing unit is configured to analyze data packets and/or bulks of data packets by means of a second deep packet inspection technique. The first deep packet inspection technique is different from the second deep packet inspection technique. A data stream (s_i) being associated with the first processing unit and/or the second processing unit is a bulk of data packets. Further, a data traffic analysis method for analyzing data traffic is described.

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A signal analyzing circuit (24) is described, with at least a first channel (42), said first channel (42) comprising a digitizer (26) configured to digitize an input signal into a time-and-value-discrete signal; a switching unit (32) coupled to the digitizer (26), said switching unit (32) being adapted to receive said time-and-value-discrete signal and an acquisition memory (38) coupled to said switching unit (32). Said switching unit (32) is adapted to selectively activate a decimator unit (34) in a time-domain operation mode, said decimator unit (34) decimating said time-and-vale-discrete signal to a decimated time-and-value-discrete signal or a digital down converter unit (36) in a spectrum view operation mode, said digital down converter unit (36) down-converting said time-and-value-discrete signal to a down-converted time-and-value-discrete signal. Said acquisition memory (38) is coupled to said decimator unit (34) in said time-domain operation mode to store said decimated time-and-value-discrete signal, said acquisition memory (38) being not coupled to said digital down converter unit (36) in said time-domain operation mode. Said acquisition memory (38) is coupled to said digital down converter unit (36) in said spectrum view operation mode to store said down-converted time-and-value-discrete signal, said acquisition memory (38) being not coupled to said decimator unit (34) in said spectrum view operation mode. In addition, an oscilloscope (10) and a method for auto setting an oscilloscope (10) are described.

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The present invention provides an improved testing of a complex device under test, in particular a parallel analysis of signals of a device under test. Multiple signals of the device under test may be acquired and characteristic parameters of the acquired signals may be determined. The determined characteristic parameters of the multiple signals may be stored. In particular, the characteristic parameters may be stored in form of an array, table or spread sheet.

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A measuring system (1) comprises a radar test panel (10), which is arranged in an expected radiation direction of the vehicular radar (3). The radar test panel (10) comprises a 2D radar test array of radar receivers, and is configured to display a measured beam pattern (12) of the vehicular radar (3), using the radar receivers. Each of the radio receivers is configured to receive radar radiation from the vehicular radar (3) and emit visible light based upon the received radar radiation. Alternatively, the at least one radar test panel is configured to output a digitized measured beam pattern of the vehicular radar.

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An over-the-air (OTA) measurement system for testing a device under test (12), with a plurality of feed antennas (24, 26), a test location (16) for the device under test (12), and a reflector array (28) with a main reflector (30) and a sub-reflector (32). The plurality of feed antennas (24 ,26) face the sub-reflector (32). The reflector array (28) is located such that a signal path (24) is established between the plurality of feed antennas (24, 26) and the test location (16) via the sub-reflector (32) and the main reflector (30). The sub-reflector (32) has at least one focal point (36). The plurality of feed antennas (24, 26) comprise a first feed antenna (24) and at least one second feed antenna (26). The first feed antenna (24) is associated with the focal point (36) of the sub-reflector (32). The at least one second feed antenna (26) is located offset from the focal point (36) of the sub-reflector (32). Further, a method of testing a device under test (12) over-the-air is described.

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