Wireless system evalution of cellular phone

Application

The unnecessary radio wave should be suppressed in the laboratory and factory.

The wireless system evaluation of cellular phone is possible in such environment.

Solution

① otocol test by air connection ( Layer 1 to 3 )

  • Setting up the system that the bidirectional commu nication is done, through the transmission & receiv ing antenna between the wireless equipment simulator and the terminal put in anechoi c box.
  • Each protocol test from layer 1 to layer 3 is execu ted by using the wireless equipment simulator.

Figure:Connection example

② nsmission characteristics test of wireless e qipment by air connection

  • The radio wave transmitted from the terminal put on the turntable is output outside of the anechoic, and box after received with the receiving antenna installed at the opposite side of the terminal.
  • The evaluation of each test of the transmission char acteristics of the wireless equipment is performed wi th a spectrum analyzer and a power meter connected with the in / out terminal.

Figure:Connection example

System configuration

➀ Small size for space saving
Electromagnetic anechoic box[MY1510]
I/F module for anechoic for anechoic box[IFM1]
Dipole antenna(800MHz to 1GHz)
Dipole antenna(1.7 to 2.2GHz)
➁ Large size for antenna test
Electromagnetic anechoic box[MY1530]
I/F module for anechoic for anechoic box [IFM1]
I/F module for anechoic for anechoic box [IFM4]
Turntable [MT103]
Dipole antenna(800MHz to 1GHz)
Dipole antenna(1.7 to 2.2GHz)

Products introduction

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