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WiMAX London - ProVision Communications

ProVision Communications plays key role in the roll out of WiMax in London

ProVision Communications
May 5, 2006

BRISTOL, UK -- Wireless propagation specialist ProVision Communications is playing a leading role in the introduction of WiMax into the UK. ProVision's advanced PrOphecy network planning tool is being used to design the first WiMax networks to be installed in London, starting off this summer in Westminster.

ProVision was selected by network operator, Urban Wimax, because of the unique ability of its PrOphecy tool to accurately model non-line-of-sight wireless propagation in complex urban environments. WiMax is a very appropriate wireless technology for use in cities, since it does not require line-of-sight between antennas, and takes advantage of radio signals being reflected and scattered off buildings. However, this makes network planning much more difficult. ProVision's PrOphecy is designed specifically to deal with this, and greatly simplifies the task of selecting good base site locations. The tool can accurately determine the RF signal level and the expected user data rate for a given customer roof-top.

Professor Andrew Nix, Director of wireless technology at ProVision Communications, said "This project sets a new milestone in the field of urban propagation modelling. We are using more than 150 square kilometers of detailed 3D building, foliage and terrain data to support the initial roll-out. London provides exactly the sort of complex urban wireless environment that PrOphecy excels at modelling in great accuracy."

The PrOphecy software is built around a world leading propagation engine, which enables accurate wireless propagation data to be generated for point-to-point, point-to-multipoint, and mesh configurations. It uses a unique building and terrain scatter model which scales to enable areas of up to 50km by 50km to be analysed in true 3D, and incorporates foliage loss modelling to quantify the impact of trees, which are critical in the planning of urban networks. It is also capable of modelling 802.16e mobility configurations, where issues such as specific street canyons, corner and rooftop diffractions and multiple building scatter components all have to be taken into consideration. With ever increasing competition in the delivery of wireless services, the outstanding predictive accuracy of the PrOphecy system is key to evaluating network performance, and hence the long term profitability of wireless service providers.

About ProVision Communications
ProVision Communications ( is one of the UK's leading consultancies specialising in digital video and wireless technology; it has particular expertise in delivering high quality video reliably over wireless bearers. Founded in 2001 as a spin-off from the University of Bristol, the company has established an impressive reputation as a provider of innovative design and consultancy services. Its clients include many major companies in broadcasting, telecommunications, IT and consumer products. The company is based in Bristol, UK.

About PrOphecy
PrOphecy is ProVision Communications' state-of-the-art suite of tools for modelling wireless propagation in urban and semi-urban areas. Unlike previous generations of wireless planning tools, it provides highly accurate predictions for non-line-of-sight wireless propagation, making it particularly suitable for the planning OFDM systems such as WiFi hotspots, WiMax networks, and DVB-T/H television networks. PrOphecy uses a unique building and terrain scatter model, including foliage loss modelling, which scales to enable areas of up to 50km x 50km to be analysed in true 3D. Designed to work with low cost LIDAR geographic data, it is much less expensive to operate than traditional systems that require vector data. PrOphecy is based on more than ten years research and development at the University of Bristol.

About WiMAX
WiMAX (Worldwide Interoperability for Microwave Access) is a new standards-based wireless technology designed to deliver carrier-class wireless wide area network (WWAN) services. The WiMAX standard (IEEE 802.16d 2004) is a complementary technology to the 802.11 wireless local area network (WLAN) standard, commonly referred to as WiFi, and now used in public wireless hotspots and in home/office networks. Relative to WiFi, WiMAX offers significantly stronger Quality of Service (QoS) with a typical service range of up to 10 kilometres under OFCOM regulations.

Media contact
ProVision Communications:
Dr Nicolas Lodge
tel: 0117 971 1120
ProVision Communications,
3 Chapel Way,
Avon Valley Business Park,
St Anne's, Bristol, UK BS4 4EU

Amy Lancastle
Assistant to CEO
ProVision Communication Technologies Ltd
3 Chapel Way
Avon Valley Business Park
St Anne's, Bristol UK BS4 4EU
Tel: +44 (0) 117 9 71 11 20
Fax: +44 (0) 117 9 72 33 67

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