More bandwidth

The science journal nature has a paper on tripling the channel capacity of radio communications. Here is the abstract:
One of the most promising areas of progress in the theory of wireless communications is the use of multiple and 'smart' antennas to increase the channel capacity for radio links; this can involve the use of various polarizations in the transmitted signals. This method has now been extended by the use of magnetic as well as electric field components, giving the potential to increase channel capacity by a factor of three compared with conventional dual-polarized radio signals.
Hello, wireless.
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