Mobile network solution

Wireless local access networks
Today’s wireless local access networks consist of cell sites connected to a local hub or switch with low bandwidth T1/E1 leased lines, or licensed microwave radios. While this may be sufficient for existing voice networks, 2.5G and 3G (UMTS) networks will require bandwidth growth. Upgrading leased lines to higher bandwidth E3/DS3 or xDSL will dramatically increase traditional (legacy) transport / backhaul costs because of the high recurring monthly charges. Fortunately there is a less expensive option which offers greater flexibility - high bandwidth wireless backhaul technologies such as free space optics (FSO) or microwave radio.

As providers move to 3G/UMTS networks, the cell radius drops to about 1 km or less. Within the dense urban core, the typical cell spacing will be a few hundred meters. Microwave radio is poorly suited to deployments in the urban core at short ranges. The licensing requirements, frequency planning, and interference issues make microwave a poor choice.

FSO technology is the clear winner. FSO scales to higher bandwidths, is immune to interference in a dense mesh, is free from licensing requirements, and offers higher level of transport security. Shorter links also mean FSO is no longer as susceptible to environmental conditions like fog that can cause temporary outages over longer ranges.

Owning Rather Than Leasing
For wireless service providers, owning rather than leasing is becoming a more desirable alternative.
There are three major advantages:

• The return on investment for FSO capital equipment can be realized in time periods of 2 years or less. FSO is available today and can be deployed tomorrow. There is no need to wait for leased line upgrades.
• The service provider manages the network link and does not have to rely on a third party with different priorities to repair a connection. Recent data suggests that up to 50% of cellular outages occur in leased backhaul lines, and the time to repair these lines is growing.

SONAbeamTM is a layer 1 protocol transparent device with integrated network management capability and it offers:
• scalable bandwidth capacity with a range of products from NxT1/E1 up to Gig-E and beyond
• true carrier class reliability with the highest power 1550nm eye-safe technology in the industry
• simple deployment with installation and alignment in as little as one hour at prepared sites.

Company NVP Ukravtomatika offers an effective mobile network solution based on fSONA equipment.

The SONAbeamTM Advantage