Evaluation of wireless LAN

The various evaluations of the wireless LAN ( 2.4GHz and 5GHz band ) products are performed by this system.

Application

The various evaluations of the wireless LAN ( 2.4GHz and 5GHz band ) products are performed by this system.

Solution

１.Evaluation of handover

[Purpose]Relation between receiving signal level and handover occurrence point

• The EUT and the access point (hereafter described as AP) ① are mode in communication.
• The programmable attenuator (hereafter described as P-ATT) ① connected to AP① is gradually increased in the attenuation value and the P-ATT② connected to AP② is gradually decreased. And in the moment the handover occurs, the attenuation value of each P-ATT is recorded.
  At the same time, the level of the signal source can be measured by the spectrum analyzer.

2.Evaluation of fallback

[Purpose] Relation between receiving signal level and switching point of effective throughput

• The EUT and the access point are made in communication.
• The attenuation value of the programmable attenuator is gradually increased and the effective throughput of communication is recorded.
• At the same time, the level of the signal source can be measured by the spectrum analyzer.

3.Evaluation of receiving characteristics

* The system construction is same as ” 2. Evaluation of fallback “.

[Purpose] Radio wave strength emitted subordinately

The peak power is measured by transmitting the modulation signal spread in frequency from the EUT and by sweeping the spectrum analyzer.

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