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PROFILE

Cambridge Broadband Networks Limited

CBNL makes the point-to-multipoint With its VectaStar platform, Cambridge Broadband Networks has not only brought legacy infrastructure in the present, but helps telcos to prepare for the future

PECIALISTS IN POINT-TOMULTIPOINT (PMP) microwave technology serving customers in over 40 countries, offering turnkey solutions for high capacity, high quality, cost-effective network ownership and operation, Cambridge Broadband Networks (CBNL) continues to make gains amongst African operators.

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Recently, the company helped Airtel Kenya to launch 3.75G services. Kenya has become a high-growth technology market. Mobile phone penetration increased from 60 per cent in 2010 to over 77 per cent in 2013. The country now has over 30mn mobile subscribers. In particular, Nairobi requires advanced, sophisticated mobile and Internet services provision to support economic growth and open up new business opportunities. Connectivity is a key component in corporate growth, and Airtel is a key corporate entity with respect to the nation's need for reliable, high-grade connections. Its vision was and is serve Kenyan communities and commerce by efficiently scaling network capacity, coverage and service quality. How transmission and reception functions is patently critical to realising this vision.

Building a better telecoms business As this decade began, Airtel Kenya was operating to a point-to-point (PTP) infrastructure strategy. However, by 2011, it was apparent to the operator's leadership that this strategy no longer supported a universal business case to invest in new services. Hence, the telco recognised a need for a more efficient backhaul and enterprise access strategy, compatible with its existing network infrastructure but also acting as a platform for the next generation of connectivity architectures. Airtel's management established a business case for evolution to inherently cost-efficient, technically sophisticated PMP microwave technology - and selected CBNL, which has earned a reputation as a provider of choice for PMP microwave backhaul and access solutions. Aside from Airtel Kenya, CBNL has worked with operators in 15 African www.communicationsafrica.com

countries to provide efficient carrier-grade networks, including Vodacom, Airtel, Safaricom, MTN and Neotel. CBNL supported Airtel Kenya first in 2011 by providing network planning and project management to support the operator’s immediate and long-term growth. During this first phase, CBNL used its VectaStar product to deploy high capacity sectors of backhaul coverage. This replaced legacy PTP equipment and provided upgraded throughput to existing mobile sites. VectaStar enabled the operator's technicians to connect cell sites in less than half a day so that it could quickly uplift capacity and connect new areas with 3G services.

VectaStar was widely deployed across Nairobi, enabling Airtel Kenya to deliver carrier-grade infrastructure to support the launch of its 3.75G network in 2012. Chandra Tiwari, network director at Airtel Kenya, said of the deployment, “VectaStar is a cost effective solution for our mobile backhaul and enterprise access needs, and this has enabled us to invest heavily in our services to business and the public. This supported our launch of 3.75G and helped us serve more businesses across Nairobi with fast and reliable connectivity.” High-capacity backhaul was fundamental to the success of Airtel Kenya's 3.75G services, whose customers gained access to high-speed mobile broadband on their Internet-enabled devices. By 2013 Airtel Kenya was fully utilising CBNL's VectaStar infrastructure by deploying additional connectivity to businesses. It was also utilising spare capacity in the backhaul network to maximise spectrum usage to guarantee quality of service to match the requirements of businesses in the Kenyan capital.

A portfolio for enhanced performance The VectaStar portfolio has been developed and refined over the years, as CBNL research has enabled it to deliver higher performance at greater cost-

efficiency. Recent developments have included the VectaStar Gigabit and VectaStar Metro wideband products, doubling platform capacity to 600Mb/s. These products, in particular, offer operators the possibility to perform better, to meet the increased data demands typical of advanced architectures built to run LTE or 4G, which are characterised by faster and bigger mobile connections and multimedia services. The deployment of technologies such as those that enable M2M are also a key factor, as high-speed wireless data transmission and reception place increasing pressure on operators to provide extra capacity and work with equipment that can handle high data flows as easily relatively cheaply. LTE presents new challenges in this arena, as it becomes adopted more widely on the continent. Lionel Chmilewsky, chief executive officer, CBNL, sees operators facing a clear business case for enhanced network capacity to enable nextgeneration mobile devices and mobile services. He understands well that one of the key drivers for LTE deployment is consumer demand for data in territories historically characterised by the absence of fixed line infrastructure and currently characterised by the need for enhanced communications services. Logically underpinning such demand in more advanced African nations is socioeconomic development, more industry and increased prosperity. An additional factor is support for the socio-economic benefits of advanced connectivity from governments. The backhaul technology offered by CBNL enables more profitable business models to be created. Proven through deployment at operators such as Airtel Kenya, CBNL's VectaStar portfolio makes it possible for operators to build a converged backhaul network, to instill network innovations such as fixed enterprise access services alongside LTE connectivity, efficiently using backhaul and spectrum to improve mobile speeds and services, whilst also ensuring competitive pricing and greater profitability. ✆ Communications Africa Issue 1 2015

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Profile for Alain Charles Publishing

COMMUNICATIONS AFRICA 1 2015  

COMMUNICATIONS AFRICA 1 2015