A non-destructive testing and inspection (NDT/NDI) system having a communication gateway removably secured to an existing NDT/NDI instrument by a clip-on clasp. The gateway comprises a processor, a network interface, a housing configured to be removably secured onto the NDT/NDI instrument, an interconnect configured to be communicatively coupled with and to carry data to or from the NDT/NDI instrument, and memory storing computer readable code which, when executed on the processor, causes the processor to communicate data with an external network over the network interface. The data includes inspection data which can be any one of the following: ultrasonic scans of A, B, C or S, eddy current strip charts.

The disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). An electronic device is provided. The electronic device includes a communication circuit, and a processor, wherein the processor is configured to configure configuration information for transmitting a designated test signal in a second transmission band of a new radio (NR)-based cell, the second transmission band at least partially overlapping a first transmission band of a LTE-based cell, and transmit the designated test signal based on the configuration information in the second transmission band through the communication circuit, wherein the designated test signal is transmitted in first resource elements among resource elements included in a first resource block of the second transmission band, a subcarrier of the first resource block overlaps subcarriers of resource blocks of the first transmission band among resource blocks of the second transmission band, and second resource elements other than the first resource elements among the resource elements included in the first resource block are occupied by a designated signal for LTE.

Embodiments support obtaining of information regarding a Bluetooth mesh network (100) operating according to a set of rules, e.g. flooding or routing, for propagating messages in the network (100). It is transmitted (204), from said test originator node (101) in accordance with said set of rules, a sequence of test messages towards said test target node (105). Each of said test messages includes: parameters comprising a test message identifier being an identifier of the test message in the sequence, and a type identifier identifying the test message as a certain type associated with said parameters.

Embodiments support obtaining of information regarding a Bluetooth mesh network (100) operating according to a set of rules, e.g. flooding or routing, for propagating messages in the network (100). It is transmitted (204), from said test originator node (101) in accordance with said set of rules, a sequence of test messages towards said test target node (105). Each of said test messages includes: parameters comprising a test message identifier being an identifier of the test message in the sequence, and a type identifier identifying the test message as a certain type associated with said parameters.

Methods, apparatus, systems and articles of manufacture are disclosed to redirect internet clients for media monitoring. An example apparatus disclosed herein includes a wireless communication controller to establish a plurality of connections to a WI-FI router, the plurality of connections corresponding to simulated WI-FI clients, and a client interface to identify a connection of a WI-FI client to the apparatus and route network traffic of the WI-FI client to the WI-FI router via the plurality of connections.

Provided is a physical layer blind authentication method for a time-varying fading channel based on a smoothing technique. The method includes that: a transmitter transmits a carrier signal to a wireless channel, the carrier signal includes an authentication signal, a pilot signal and an information signal, and the wireless channel is the time-varying fading channel; a receiver receives the carrier signal, and performs BKIC processing and differential signal processing on the carrier signal to obtain a target authentication signal, performs the differential signal processing on the reference signal to obtain a reference authentication signal, and calculates a correlation between the target authentication signal and the reference authentication signal to obtain a test statistic; and compares the test statistic with a prescribed threshold to determine whether the carrier signal is capable of passing authentication.

Provided is a physical layer blind authentication method for a time-varying fading channel based on a smoothing technique. The method includes that: a transmitter transmits a carrier signal to a wireless channel, the carrier signal includes an authentication signal, a pilot signal and an information signal, and the wireless channel is the time-varying fading channel; a receiver receives the carrier signal, and performs BKIC processing and differential signal processing on the carrier signal to obtain a target authentication signal, performs the differential signal processing on the reference signal to obtain a reference authentication signal, and calculates a correlation between the target authentication signal and the reference authentication signal to obtain a test statistic; and compares the test statistic with a prescribed threshold to determine whether the carrier signal is capable of passing authentication.

A wireless internet monitoring system comprising an application on a plurality of mobile devices recording the strength of a wireless internet signal received at a mobile device along with a GPS coordinates of the mobile device at time of said recording, wherein said application transmits the monitored signal strength along with said GPS coordinates to a backend application executed on a server. The backend application consolidates the monitored signal strength and said GPS coordinates with one or more previously monitored signal strength and GPS coordinate and preparing a geographical map of the monitored signal strength to be displayed by the application on the mobile device.

A wireless internet monitoring system comprising an application on a plurality of mobile devices recording the strength of a wireless internet signal received at a mobile device along with a GPS coordinates of the mobile device at time of said recording, wherein said application transmits the monitored signal strength along with said GPS coordinates to a backend application executed on a server. The backend application consolidates the monitored signal strength and said GPS coordinates with one or more previously monitored signal strength and GPS coordinate and preparing a geographical map of the monitored signal strength to be displayed by the application on the mobile device.

The present invention provides an enhanced testing of Bluetooth Low Energy implementations by means of a non-signaling test device. A BLE device establishes a BLE connection with the implementation under test, and a non-signaling test device which is communicatively coupled with the BLE device listens on the established communication.