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Photos by Roger Piper Page last updated: 2012-03-17

April 2010 - MIMO test antennas

Roger's update shows additional log periodic antennas used for experimental MIMO (multiple input, multiple output) DVB-T tests. For further details see the papers linked below.

One (or maybe both) of the horizontally polarised logs is the feed from Crystal Palace. The vertically polarised logs are believed to be part of the MIMO test installation.

Other MIMO test logs are just below the cylinder...

...horizontal and vertical polarisation

Much further down, Roger has located the Band II feed - but why is there a vertically polarised log looking in a different direction?

Guildford index

A dual polarisation MIMO broadcast TV system (BBC Research)
MIMO for Broadcast - results from a high-power UK trial (BBC Research)

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