MICRONIX

Evaluation environment of MIMO high-speed wireless LAN

A useful system when developing and evaluating a radio equipment with wireless LAN will be introduced in this application note.

[Application]

Recently, some wireless LAN equipment are shifting to high-throughput MIMO from SISO in order to correspond to the increasing traffic. In addition, RFIC for wireless LAN is built into various electronic devices besides information communication terminal, and the trend is getting stronger.

A useful system when developing and evaluating a radio equipment with wireless LAN will be introduced in this application note.

[Solution]

1.Cable connection diagram

Figure:Cable connection diagram

By connecting DUT with RFIC for wireless LAN to an access point using coaxial cables, and in the shielded environment, it is possible to test without being affected by external radio waves. By attenuating power of each system independent using attenuators, it provides the environment for evaluating the receiving sensitivity and the error vector magnitude (EVM).

2.Wireless connection diagram

Figure:Wireless connection diagram

If the coaxial connection is not possible, it is possible to test without being affected by external radio waves in an environment shielded by coupling a communication terminal to an access point through antenna.

[System configuration]

*MICRONIX Corporation reserves the right to make changes in design, specification and other information without prior notice.

[Products introduction]

2011/2

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