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Superfast 4G for the Leadenhall Building

24 April 2018

Wireless Infrastructure Group, member of ISC, invests in a superfast 4G future for The Leadenhall Building

Wireless Infrastructure Group has partnered with British Land to deliver state of the art superfast 4G mobile services to the tallest building in the City of London, The Leadenhall Building also known as “The Cheesegrater”.

This building is a commercial skyscraper located in the heart of the City of London at 122 Leadenhall Street and designed by world renowned architects Rogers Stirk Harbour + Partners, the building stands at 224m (735 ft) and is the tallest in The City providing 610,000 sq ft of commercial space over 45 floors.

The building was developed through a joint venture between British Land and Oxford Properties and opened in 2014, attracting major international companies looking to establish their headquarters in the City of London.

The dense nature of The Leadenhall Building and the use of modern construction materials for the build (such as glass cladding and steel) were known to impact the ability of outdoor mobile signals to penetrate the building. This situation was exacerbated on the higher levels of the building where the external mobile signal would typically be at its weakest.


As part of its wireless strategy for the building, British Land sought a single and dedicated wireless solution throughout the building that could deliver comprehensive mobile coverage on a multi-operator and multi-technology (2G, 3G & 4G) basis. The solution needed to be capable of adapting to the evolving nature of the building and its tenants with sufficient flexibility to support emerging wireless technologies such as 5G during its lifecycle.


Working with the technical team at British Land and with Telefonica O2 as the anchor mobile network operator, Wireless Infrastructure Group designed a wireless network within The Leadenhall Building that was based on a Distributed Antenna System (DAS) architecture. The DAS was designed to support the signals of all the mobile network operators (O2, Vodafone, EE and 3) and each of their technologies simultaneously to deliver the highest quality mobile service to end users in the Building.


Installation of the DAS was completed in parallel with the building construction programme to minimise operational disruption and to ensure mobile service availability ahead of tenant occupation. The DAS was successfully activated in 2016 with Telefonica O2 as system anchor and Vodafone connecting shortly thereafter.


By selecting Wireless Infrastructure Group, British Land benefited from a lifecycle partner with extensive experience of designing, installing and managing DAS deployments on behalf of building owners. Following initial deployment, Wireless Infrastructure Group retains ownership of the DAS and provides real time network monitoring and maintenance to ensure optimum DAS performance and ongoing compliance with industry guidelines and best practice.


The deployment of DAS in The Leadenhall Building has enabled British Land to deliver high quality mobile services to its tenants via a single and fully managed infrastructure platform. The DAS has been designed to support all UK mobile network operators quickly and efficiently and its capabilities have contributed to the Platinum status Wired Certification awarded to the building following its opening.

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