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March 7, 2005
BACKNANG, Germany -- Marconi Corporation plc (London: MONI and Nasdaq: MRCIY) this week at CeBIT 2005 unveil a new long-haul Synchronous Digital Hierarchy (SDH) radio system that provides customers with greater cost efficiencies and performance.
With very low power consumption and a footprint reduced by 70% , the Marconi Digital Radio System (MDRS) 155 EC digital radio relay system provides cost-effective wireless transmission of STM-1 or STM-4 signals over medium and long distances in the trunk and metro area of communication transmission networks. It will be on display at the technology fair in Hanover, Germany, from 10-16 March 2005.
This new product utilises Digital Adaptive Linearisation techniques to produce a quantum leap in the evolution of high capacity fixed wireless equipment. Marconi can now transmit up to 20 x STM-1 (3.1G bit/sec) with up to ten STM-1 channels (including the protection switching function and other options) accommodated in one standard equipment rack, thus significantly reducing the required footprint to house the system and providing the customer with greatly reduced operational costs.
MDRS is frequently deployed with solar power in remote places, therefore, features such as low power are vitally important to customers. The new MDRS 155EC will be available in frequencies up to 13GHz with a capability to cover spans in excess of 100km. Such a system is therefore ideal for long-distance communication in the core and metro areas of networks and most especially through difficult terrain or over water.
The MDRS 155 EC makes optimum use of the frequency bands, with co-channel operation using dual polarization. The necessary cross-polarization discrimination is ensured even under poor radio-hop conditions, and a hitless microwave protection-switching unit with bit-error-free switchover provides high availability and high transmission quality. Various protection switching functions, such as frequency diversity or hot standby, can also be used to increase the availability and quality of the transmission links.
Fixed microwave systems frequently outperform fibre-optic networks in terms of system availability and are therefore ideal for mission-critical applications in the public telecommunications arena as well as private networks such as military command and control; telemetry; and communications for the oil, gas, water, rail and mining industries.
"Major advances in technology, falling equipment costs, and greatly enhanced quality and reliability have made point-to-point microwave radio one of the fastest and most reliable ways of providing network capacity," said Alex Marshall, vice president of product marketing for Marconi's Microwave Radio division. "Equipment footprint and power efficiency are the major deployment issues. By continuing the longest standing Marconi tradition of technology innovation in microwave radio, our engineers have managed to reduce the volume of the new MDRS 155EC by 70% and the associated power consumption by 50% and at the same time enhanced an already highly regarded system's performance and reliability. The 155EC is a huge leap forward in long-haul telecommunications."
Marconi Corp. plc
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