About dBmeirp that is unit of electric field strength used in ETC/DSRC
In the ETC/DSRC system, the unit of electric field strength is specified as dBmeirp as described in ARIB STD-75, which is a standard for dedicated short range communication (DSRC) system. Therefore, dBmeirp is used as the unit of electric field strength in DSRC communication unit ME9115 and ETC/ITS spot electric field strength measurement system ME9200 which are our products.
OTA test solution in IoT
OTA test solution in IoT – Throughput test – Application The era of IoT (Internet of Things) where various “things” are connected to the network has come, and “things” such […]
How to use Web camera in hand-in type shield box
By adding an I/F module to the hand-in type shield box, it is possible to shoot the DUT with the web camera. Application As for a hand-in type shield box, […]
Make communication failure environment & Ideal for checking operation of smartphone
Using a hand-in type anechoic box, the environment to reproduce out-of-service and unstable communication state will be provided. Application Recently, the applications of smartphone are very popular. The outdoor use […]
A basic method of calculation in dB for wireless applications
In recent years, even circuit design and digital design engineers should learn radio technologies with the increase of
wireless applications. Some of those engineers may not be good at analyzing in dB. This paper presents a way how
to create level diagram of a wireless application using anechoic box.
Wideband field uniformity in anechoic box
Wideband anechoic box suitable for development of multi-band/UWB radio system or EMC evaluation Application Demand on launching wideband radio test environment for development of multi-band/UWB radio system or EMC evaluation […]
Field measurement and maintenance of smart network wireless system
Optimum for field measurement, maintenance and troubleshooting of smart network wireless system (920 MHz band, 2.4 GHz band). Application When installing the concentrator, it is necessary to measure and investigate […]
Measurement of weather radar by signal analyzer
Radio wave measurement example of weather radar by applying the trigger function of signal analyzer Application When measuring the modulation signal of weather radar using a conventional spectrum analyzer, the […]
Verification of field uniformity in an anechoic box for GPS
The uniformity is one of most important indicators related to accuracy of RF test using anechoic box. Application RF test system with anechoic box has attracted attention in the market […]
Site survey in introduction of 2.4GHz band wireless equipment
By precise site survey using a handheld signal analyzer, the radio interference will be quickly solved when installing a wireless access point and a relating equipment! Application The radio waves […]