COBHAM SOL4MTX Especificações descarregar pdf (Página 33)

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SECTION 4 – IP and Mesh Products

Networked integration

of video, audio and

GPS, with seamless

transfer of MPEG4

video even during net-

work reconfiguration.

IP mesh systems en-

able the backhaul of

multiple audio feeds

for monitoring by

surveillance teams.

Robust, self-healing

mesh

architecture makes

the COFDM IP Mesh

ideal for use in mobile

tracking applications.

A Mesh network takes data from its

nodes and broadcasts, non-line of

sight, to a nearby police command

point.

Data can be filtered and sent

onward to central command centres

from a local monitoring point.

KEY:

Mesh 1

Mesh 2

SOLO link out

Tactical monitoring

Camera car

Mobile surveillance

Camera

Camera behind house

SOLO Transmitter

COFDM IP Mesh

The IP Mesh network constantly assesses which nodes are

in range and the best route to send data between them.

Police command

Central command

Technical features

COFDM IP Mesh radios exchange data on a single frequency,

simplifying frequency management. The entire mesh occupies

just 2.5MHz (3 and 3.5MHz also available) of bandwidth. Far

narrower than WiFi or WiMax bandwidth, this gives less noise in

the channel, better sensitivity and increased spectrum for more

users. Utilising proprietary domo narrowband video compression

technology, very high quality video can be transmitted over the

mesh network.

Custom-designed for the security and military markets, the IP

Mesh radios employ the unique Cobham COFDM modulation

scheme and therefore have excellent RF penetration and

performance in the presence of multipath. An IP data rate of up

to 3.5Mb/s is possible (data rate depends on mode, number of

nodes, and range between nodes), and this can be symmetric to

match network requirements. Diversity gives protection against

fading, and there are built-in guard intervals and error correction.

Security of the entire mesh network can be ensured by the use

of the optional AES128 or AES256 encryption. Control of the

whole deployed mesh is achieved using a comprehensive web

browser application with a built-in user-loaded mapping facility

and PTZ controls.

The COFDM IP Mesh solution is available in a Plain, or Robust

(IP66) enclosure with 1W for long range. It can also be upgraded

with composite video and audio, input and output options.

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