MIMO:
Multiple-input multiple-output, or MIMO, is
a radio communications technology or RF technology that is being mentioned and
used in many new technologies these days.Wi-Fi, LTE; Long Term Evolution, and
many other radio, wireless and RF technologies are using the new MIMO wireless
technology to provide increased link capacity and spectral efficiency combined
with improved link reliability using what were previously seen as interference
paths.
Even now many there are many MIMO wireless routers on the
market, and as this RF technology is becoming more widespread, more MIMO
routers and other items of wireless MIMO equipment will be seen.
Fig: Below Deck Environments
There has been increased interest in characterizing electromagnetic
propagation in below-deck environments of naval vessels for the purpose of
deploying wireless networks. Below-deck spaces are predominantly metal
structures. These spaces constitute multipath-rich environments that introduce
distinct challenges for deploying wireless networks. The RF spectrum on ships
also introduces active radar and communication signals, emissions from working
machinery, and interference by personnel on board Still, deploying
wireless networks in below-deck spaces is desirable as it offers significant
potential in augmenting, and in some applications, replacing current wired
network infrastructure.
The primary contribution of this letter is the quantification of the improvements in capacity, signal integrity, and throughput that can be observed through the use of OFDM and multi antenna techniques in below-deck environments.
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