7696082017
Conclusive test results through conducted and radiated measurements
OTAtests characterize MIMO performance of the com-plete UE under simulated real-world conditions. Splitting the measurements into conducted and radiated makes it easier to locate weak design points.
Conducted measurements determine the performance of the receiver hardware and MIMO detection. They are a mandatory part of the device certification and different fading profiles may be applied.
When tests are performed in conducted and radiated modę with the same BSE signaling settings, the results can easily be correlated.
The MIMO OTA test method can also be extended to verify the effects of multipath propagation (fading). Static channel models are generated by the R&S®CMW500 MIMO base station emulator. Dynamie fading is accom-plished by adding the R&S®AMU200A baseband signal generator and fading Simulator to the R&S®TS8991 MIMO OTA test system. Fading tests are time-consuming and mainly used in R&D labs.
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