SS-MPAC (Simplified Sectorized MultiProbe Anechoic Chamber)
The concept of SS MPAC is to use multiple probes around UE as illulstrated below to emulate more realistic radio channel condition.
< R4-1706669 : Figure 2. Installed probes in the sector and UE >
The major motivation of SS MPAC is well described in R4-1706669 as follows :
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Real--time system performance assessment, i.e. while communicating
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Capable of emulating realistic radio channels, meaning with realistic angular distributions of waves, either irradiating EU or being radiated by it
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Up-- and downlink performance, or reception and response in multi--node configurations