Product category:
Manufacturing communication infrastructure
News Release from: Pandatel AG | Subject: COP-FE
Edited by the Manufacturingtalk Editorial
Team on 12 August 2005
The right solution for every mobile
network
Access solutions by Pandatel AG allow the easy link-up of 3G networks to existing infrastructures and guarantee efficient data transmission
Pandatel AG, specialist in network access and transmission technology on the basis of optical fibres and copper, uses powerful access solutions for the easy link-up of 3rd generation mobile telephone networks to existing carrier networks, without having to replace equipment In the past few years, the need for more bandwidth in mobile telephone networks has increased thanks to new demands: more and more users do not only want to telephone while they are on the move, but for example also want to send information by notebook or PDA (Personal Digital Assistant) from any location, surf the Internet when they are out or run multimedia applications on their mobile phones
This article was originally published on Manufacturingtalk on 7 Nov 2005 at 8.00am (UK)
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A precondition for this is a fast mobile telephone network of the third generation (3G), not only offering fast data transfer at up to 2 Mbps but also improve line quality for mobile multimedia and Internet services.
These new business opportunities confront carriers with new challenges: the fast 3G networks for the transmission of resource-hungry multimedia applications such as audio or video must be linked up to their existing networks in addition to the 2G and 2.5 G networks that are still needed.
Since, as a rule, the existing network infrastructures are SDH/Sonet networks or packet-based IP (Internet Protocol) networks, carriers need access solutions that are cost-effective with respect to capital expenditure (CAPEX) and operating expenditure (OPEX).
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Depending on the installed infrastructure in each particular situation, Pandatel AG provides two access solutions which meet not only the technical but also the economical requirements: with the COP-FE Voice/Data multiplexer by Pandatel, mobile telephone network operators can connect base stations to the base station control centre using packet switched networks.
This multiplexer allows the reasonably-priced transmission of voice data by means of packet switched networks (PSN).
To do this, the so-called CESoP standard (Circuit Emulation Services over Packet) is used.
CESoP emulates circuit-switched services in a packet switched network.
The TDM voice data stream is transparently tunnelled through the PSN.
In contrast to the popular VoIP (Voice over IP) systems a replacement of the signalling at the hand-over to the PSN is not necessary.
A further advantage of the tunnel principle is that voice data can not only be transmitted using IP networks, but can also easily be integrated into Ethernet and MPLS (Multiprotocol Label Switching) networks.
In addition CESoP uses the available bandwidth considerably more efficiently than VoIP.
Carriers with installed SDH/Sonet infrastructures are confronted with different problems: since their networks are primarily designed for voice transmission, they require an efficient solution like the STM-1 multiplexer C-MUX-155 with VCAT by Pandatel AG for the transmission of data.
The C-MUX-155 is an ideal solution for SDH/Sonet infrastructure operating carriers who wish to offer their customers individually tailored Ethernet and voice services and at the same time wish to achieve optimum utilisation of their transport networks.
Furthermore, major companies also benefit from the versatility and flexibility of the C-MUX-155 by linking up networks of their branch offices in order to transmit data or voice traffic quickly and cost-efficiently using Ethernet, Fast Ethernet or Gigabit Ethernet.
The C-MUX-155 optimises Ethernet-based data transmission via Sonet/SDH networks by packing the Ethernet data stream into virtual containers (VC-12/VT-1.5) and using virtual concatenation technology (VCAT) to connect them up to form one single virtual container which completely fills the Sonet/SDH frame of an STM-1-/OC-3 line - in this way, optimum use is made of the available bandwidth.
At the same time, the Ethernet bandwidth can be increased step by step in increments of 1 Mbps to reach the full Fast-Ethernet speed of 100 Mbps.
Thanks to this, network operators can provide individually tailored transmission capacities.
With the COP-FE Voice/Data multiplexer and the STM-1 multiplexer C-MUX-155 with VCAT, Pandatel AG has provided network operators with two powerful access solutions for linking up 3rd generation mobile telephone networks to existing infrastructures.
On this basis they can offer frequently requested services without having to replace existing IP or Sonet/SDH networks.
In this way they can benefit from additional sales sources while at the same time keeping down capital expenditure and operating expenditure.
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