Cellular networks

Challenge
The wireless data connection between the train and the outside world is made using the existing public cellular networks. In this case, the roof-top antennas communicate with the existing cellular network infrastructure and enable the transfer of data via routers to the communication systems on the train, to passengers and to the staff.

Different data communication channels (LTE / 4G) are enabled in the router using multiple SIM cards. The received data is bundled in the router and forwarded to the Ethernet backbone on the train. This enables significantly larger bandwidths to be transmitted in the train.

Solution
HUBER+SUHNER can supply robust antennas, flexible jumper cables, low-loss feeder cables, power splitters and multiplexes to create powerful communications solutions with railway-specific licences for installation in the train.
 

SISO (Single Input Single Output)	SISO Multi-Operator (with Splitter)	SISO Multi-Operator (with MIMO-Antennas)

 

MIMO (Multiple Input Multiple Output)	MIMO Multi-Operator (with Splitter)	MIMO Multiple antennas / Multi-Operator

Wireless standards

LTE
HUBER+SUHNER always supports the state of the art. The range of antennas is therefore already adapted to the new Long Term Evolution (LTE) standard (4G).

• 690 - 800 MHz (U.S.A.)
• 790 - 862 MHz (Europe)
• 2500 - 2690 MHz

UMTS
This 3G technology, which is installed throughout many countries, enables higher data transmission rates than GSM/2G.

• 2100 MHz

GSM
This 2G technology is still widespread but provides only low data transmission rates.

• 900 MHz
• 1800 MHz
• 1900 MHz