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Standards Development
This part of IEC 61196 applies to radiating cables. It specifies a test method for determining the link -loss balance of radiating cables for use in multiple-input and multiple-output (MIMO) communication systems.
MIMO systems with cross- polarization radiating cables are better and actively been widely used.
The two cross-polarization radiating cables must have different slots of outside conductor, so that their radiating directions are cross-polarization but the different slots also cause different link losses.
According to the MIMO theory, the link losses of the two adjacent cables need to be very close so that the Bit transmission rate will be better, otherwise if the difference of the link losses of the two adjacent cables is big, it will lead to big difference in the field strength received by the receiving end, which can lead to an imbalance in field strength between channels, thus lead to a decrease in Bit transmission rate.
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