Abstract: A device performs operations on a plurality of streams of data. The device includes a frequency domain converter logic that transforms input signal samples of radio frequency (RF) signal impulse response data to frequency domain signal results. A first arbiter has a plurality of inputs. Each input from the plurality of inputs receives one stream of data from a plurality of streams of data. Each stream of data in the plurality of streams of data includes a stream of RF signal impulse response data. For each arbitration cycle, the first arbiter selects an input signal sample from one of the plurality of inputs to forward to the frequency domain converter logic. Multi-stream first-in-first-out (FIFO) memory that has a separate FIFO buffer for each stream of data in the plurality of streams of data.

Abstract: A system and method are provided for compiling a bare quantum-logic circuit.

Abstract: One example method occurs at an impairment configuration manager of a network test system implemented using at least one processor, the method comprising: receiving impairment definition information for defining one or more impairments associated with a test session involving a test infrastructure connecting at least one test application and a system under test (SUT), wherein the impairment definition information includes information for indicating attributes of the one or more impairments using a common data model or data format; generating, using the impairment definition information, at least one set of instructions for configuring at least one impairment element to implement the one or more impairments during the test session; and providing the at least one set of instructions to the at least one impairment element or another entity.

Abstract: One method occurs at a test system controller of a network test system implemented using at least one processor. The method includes establishing agent association criteria for a test system traffic generation agent to be deployed in a cloud computing system under test (SUT) and receiving a registration message from the test system traffic generation agent in response to a launching of the test system traffic generation agent in the cloud computing SUT. The method further includes obtaining agent property values associated with the one test system traffic generation agent from the registration message and sending test configuration data to the test system traffic generation agent in response to determining a match between the agent property values and the agent association criteria, wherein the test configuration data configures the test system traffic generation agent to operate as a predefined network segment in the cloud computing SUT.

Abstract: The subject matter described herein includes methods, systems, and computer readable media for stateless service traffic generation. A method for stateless service traffic generation occurs at a network equipment test system. The method includes generating, at a first transmit port associated with the network equipment test system, a first test packet flow comprising one or more packets, wherein the first test packet flow indicates a match and action instruction for triggering an action at a second transmit port associated with the network equipment test system; sending the first test packet flow toward a node associated with a data center under test (DCUT); receiving the first test packet flow from the node associated with the DCUT; and performing, using the match and action instruction, the action at the second transmit port associated with the network equipment test system.

Abstract: A measurement apparatus includes external terminals configured for connection to a device-under-test (DUT), the external terminals including first and second force terminals and first and second sense terminals. The measurement apparatus further includes a controller and a feedback loop configured in a current feedback mode to sense a current flowing from the first force terminal to the second force terminal, and in a voltage feedback mode to sense a voltage across the first and second sense terminals. The measurement apparatus further includes a measurement path configured to measure a least one of a voltage and current across a pair of the external terminals and to supply the measured at least one of the voltage and current to the controller.

Abstract: A method and system are provided for reducing noise in a time domain waveform of a signal under test (SUT). The method includes performing cross-correlation of multiple first complex signals and multiple second complex signals, respectively, from the SUT to provide multiple cross-correlated signals, respectively, where the cross-correlated signals have amplitude components and no phase components from the SUT, and where the first and second complex signals include uncorrelated noise, respectively. The method further includes determining an average of the cross-correlated signals to provide an average cross-correlated signal with reduced uncorrelated noise; obtaining a representative phase component from one of the first complex signals or the second complex signals; and combining the representative phase component with the average cross-correlated signal to provide a representative complex signal corresponding to the SUT with reduced uncorrelated noise.

Abstract: An integrated circuit package includes a transmission line structure, wire bonds, a first post and a second post. The transmission line structure runs from a printed circuit board (PCB) to an integrated circuit (IC) and includes a center transmission line between two ground lines and sealed from exposure to air. The wire bonds connect the transmission line structure to pads on the integrated circuit from where the center transmission line exits the integrated circuit package. The wire bonds are selected to have an impedance matched to impedance of the integrated circuit. The first post supports the center transmission line where the center transmission line enters the integrated circuit package from the printed circuit board. The second post supports the center transmission line where the center transmission line exits the integrated circuit package to connect to the wire bonds.

Abstract: A test system for testing a device under test includes: a signal processor configured to generate a plurality of independent signals and to apply first fading channel characteristics to each of the independent signals to generate a plurality of first faded test signals; a test system interface configured to provide the plurality of first faded test signals to one or more signal input interfaces of the device under test (DUT); a second signal processor configured to apply second fading channel characteristics to a plurality of output signals of the DUT to generate a plurality of second faded test signals, wherein the second fading channel characteristics are derived from the first fading channel characteristics; and one or more test instruments configured to measure at least one performance characteristic of the DUT from the plurality of second faded test signals.

Abstract: an orthogonal frequency division multiplexed (OFDM) output signal produced by a device in response to an OFDM input signal is accessed. The OFDM input signal includes OFDM input symbols in the time domain and the OFDM output signal includes OFDM output symbols in the time domain. The OFDM output symbols are time-aligned to the OFDM input symbols and a phase of the OFDM output signal is de-rotated with respect to the OFDM input signal. A complex equalization filter is applied to the OFDM output symbols in the time domain to obtain an estimate of the OFDM input symbols A distortion signal of the OFDM output signal is determined by subtracting the estimate of the OFDM input symbols. An error vector magnitude (EVM) is determined by dividing a root mean square of the distortion, by a root mean square of the OFDM input signal.

Abstract: According to one method, the method occurs at a network node configured to relay network message information or derivative information to avoid resource contentions between user equipment (UE). The method includes receiving a first temporary UE identifier (TUEI) associated with a first UE for requesting a radio resource within a serving cell; assigning, using the first TUEI, the radio resource to the first UE; generating, using at least a conversion algorithm, a second value based on the first TUEI, wherein the second value has a higher entropy characteristic than the first TUEI, thereby reducing the likelihood of the second value including an encoded message decodable by a second UE when relayed by the network node; and broadcasting a message including the second value to a plurality of UEs including the second UE.

Abstract: An apparatus that searches an input stream having a sequence of N-bit wide data words for a pattern using a plurality of small FSMs is disclosed. The apparatus includes a plurality of sub-word FSMs and a combiner. Each sub-word FSM has an input word size less than N-bits. Each FSM processes a corresponding segment of the N-bit words and generates a match output indicative of a possible match to the pattern when one of the input words to that FSM is received and that FSM moves to a predetermined match state. The combiner receives the match outputs from all of the sub-word FSMs and generates a pattern match output if all of the sub-word FSMs indicate a match to the pattern. The pattern is a variable pattern. In one embodiment, the FSMs are single bit FSMs.

Abstract: An apparatus for providing a test signal from a device under test (DUT) to a measurement instrument is disclosed. The apparatus includes a probe head configured to receive an electrical signal from the DUT. The probe head includes an electro-optic modulator. The apparatus also includes a control box, which includes an optical source. The optical source is configured to provide an input optical signal to the electro-optic modulator, which is configured to provide an output optical signal based on the electrical signal from the DUT. The control box also includes an optical bias control circuit. Only a bias control signal is provided to the electro-optic modulator.

Abstract: A method and system are provided for generating a trigger signal from a radar signal received over the air from a radar under test. The method includes detecting power of the radar signal received from the radar under test at a radio frequency (RF) power detector, the radar signal including multiple bursts of RF energy in a burst pattern; identifying repeating radar frames from the burst pattern using the detected power of the radar signal, each radar frame having at least one burst; and creating trigger signals corresponding to the radar frames, respectively, by synchronizing to the at least one burst in each radar frame.

Abstract: A system for measuring voltage includes a pulse-width modulator or voltage controlled oscillator (VCO) configured to receive an input voltage waveform from a DUT, and to output a pulse-width modulated (PWM) signal or frequency modulated (FM) signal mapped to the input voltage waveform, respectively; an optical transmitter configured to be modulated by the PWM signal or the FM signal to output an optical pulse signal having pulse widths corresponding to pulse widths of the PWM signal or equal to the frequency of the FM signal, respectively; an optical receiver configured to receive the optical pulse signal over an optical link and to convert the optical pulse signal to an electrical current; a transimpedance amplifier (TIA) configured to convert the electrical current to a voltage signal; and at least one filter or detection circuit configured to recover the input voltage waveform or provide numeric values corresponding to the input voltage waveform.

Abstract: A system for testing vehicular radar is described. The system include a diffractive optical element (DOE) configured to diffract electromagnetic waves incident on a first side from a radar device under test (DUT). The system also includes a re-illumination element adapted to receive the electromagnetic waves diffracted from the DOE from a second side. The re-illumination element being adapted to transmit apparent angle of arrival (AoA) electromagnetic waves back to the DOE.

Abstract: A method is provided for dynamically determining measurement uncertainty (MU) of a measurement device for measuring a signal output by a device under test (DUT). The method includes storing characterized test data in a nonvolatile memory in the measurement device, the characterized test data being specific to the measurement device for a plurality of sources of uncertainty; receiving a parameter value of the DUT; measuring the signal output by the DUT and received by the measurement device; and calculating the measurement uncertainty of the measurement device for measuring the received signal using the stored characterized test data and the received parameter value of the DUT.

Abstract: A photonic integrated circuit (PIC) for determining a wavelength of an input signal is disclosed. The PIC comprises: a substrate; a first Mach-Zehnder Interferometer (MZI) disposed over the substrate, comprising first optical waveguides having a first optical path length difference, and configured to receive a first output optical signal from a light source. The PIC also comprises a second Mach-Zehnder Interferometer (MZI) disposed over the substrate, comprising second optical waveguides having a second optical path length difference, which is greater than the first optical path length difference, and configured to receive a second output optical signal from the light source.

Abstract: A method and system measure a characteristic of a signal under test (SUT) using a signal measurement device. The method includes receiving the SUT through first and second input channels; digitizing first and second copies of the SUT to obtain first and second digitized waveforms; repeatedly determining first and second measurement trends to obtain measurement trend pairs; cross-correlating the first and second measurement trends in each measurement trend pair to obtain cross-correlation vectors; extracting zero-displacement values from the cross-correlation vectors, respectively; summing the zero-displacement values to obtain a sum of measurement products for the measurement trend pairs; divide the sum of zero-displacement values by a total number of measurement products to obtain an average value of the measurement products, corresponding to MSV of the measured SUT characteristic; and determining a square root of the average value of the MSV to obtain an RMS value of the measured SUT characteristic.

Abstract: An apparatus includes an optical splitter configured to receive an optical signal and to split the input optical signal to provide a first and a second optical signal. The apparatus further includes an interferometer comprising a first arm and a second arm, with the first arm being configured to receive the first optical signal, and the second arm being configured to receive the second optical signal. Notably a portion of the first arm is exposed to a reference gas that attenuates light of a characteristic wavelength. The apparatus further includes an optical coupler configured to receive an output optical signal from the first arm, and an output optical signal from the second arm and to provide a third optical signal; and a photodetector configured to receive the third optical signal, and to provide a photocurrent. The photocurrent increases when the difference between the characteristic wavelength and the wavelength of the optical signals increases.