Case study

Rapid IoT connectivity for remote users

Multi-network aggregated connectivity solutions for 4G WAN deployments.


SAS Global Communications are a leading UK provider of Wide Area Networks (WAN). Our partnership with SAS began with a major project for the UK’s £1bn road extension programme for the A14 in Cambridgeshire – providing an IT infrastructure and connectivity for 650 users during the 4 year build.

  • Complex multi-site cellular-based enterprise networks
  • Solutions for rapid-deployment, temporary installations and back-up
  • Multi-network aggregated connectivity solutions with comprehensive user control

The Challenge

The task was to create a contained network along 31km of highway construction, with stringent time pressures and cost constraints.

SAS has mastered the art of rapid installation. It harnesses the benefits of bonded and load-balancing connectivity utilising multiple mobile networks in a single solution that can support hundreds of users.

By using more than one SIM within a router, SAS mitigates the risks of congestion and network downtime, while creating secure pipes that can deliver high-speed, low latency and minimal packet loss. For the bonded solution, SAS will specify appropriate site-based 4G routers along with a central hub which manages the split traffic across multiple channels. This enables instant failover if one channel is unavailable. The bonding approach to a cellular-based network also delivers Quality of Service (QoS) configuration capability.

SIM management solution for road building

The Solution

To deliver the levels of service that SAS require, a partnership has been developed with Wireless Logic to provide multi-cellular networks across this and a number of other SAS deployments.

The partnership has evolved following several trials, with roll-outs in a range of infrastructure solutions across the UK. Key services highlighted by SAS include our SIMPro Management Platform.

SAS are now able to monitor all mobile networks through one window, with APIs back into the SAS eco-system. Our SIMPro Platform enables users to track data activity, set threshold alerts, manage tariffs and cost-centres, and monitor overall performance of the deployment. With SAS infrastructures having the potential to use high levels of data, the need to observe and control usage is a vital tool.

Cellular WAN can use six or more channels per router with multiple SIMs to deliver the right levels of speed and data transfer.

Wireless Logic’s connectivity solutions include tailored tariff bundles with aggregation to enable strict cost and usage management within data-hungry projects. Importantly for SAS, this means one single point of contact to multiple Mobile Network Operators (MNOs). We support each contract with sector-leading SLAs.

Each solution also utilises our secure infrastructure, with APNs into each MNO. By accessing a ready-built Private Network, SAS minimises set-up time and costs, with the assurance of integrating their own secure platforms into an approved and highly resilient infrastructure.

Benefits for both short and longer-term

While rapid deployment and temporary installations are primary product solutions for SAS, the natural extension for any cellular-based network is to retain its services as a back-up for failed fixed line/fibre deployments.

Consequently, while immediate deployments can consume big amounts of data, with projects such as Cambridgeshire’s A14 road extension, many of the mobile deployments continue as a failover solution for the duration.

In all cases, whether for short-term or longer-term roll-outs, flexibility of contract and terms is commercially critical to ensure each project is financially competitive and tailored to the needs of the client. Wireless Logic and SAS have fine-tuned connectivity offerings so that contracts can be built around both fixed term and variable timeframes for each project delivered.

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