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We’re two decades into the new millennium, and the wireless communication pioneered in the previous century has become the foundation of every aspect of our lives. Wireless infrastructure is all but a utility, expected both indoors and out, from street level all the way to the top floor of the highest skyscraper. However, certain environments remain a challenge when it comes to wireless solutions. Tunnels are one such setting.
You don’t have to be a miner deep underground to have a need for in-tunnel wireless connectivity. Millions of urban commuters pass through thousands of kilometers of rail and road tunnels every day, and for many, these tunnels represent wireless dead zones in which they’re isolated from loved ones and locked out of their work.
But tunnels don’t have to be wireless wastelands. Though there are unique challenges in implementing in-tunnel wireless systems, there are emerging solutions that combat these challenges in an effective and affordable way. In this report, we will examine these challenges and solutions to understand the best approach to in-tunnel wireless.
Radio Frequency Systems (RFS) provides the most advanced active, passive and hybrid RF distribution systems for in-tunnel coverage, railway station coverage, and outdoor track-side rail coverage.
The latest patented Radiaflex® cable supports all mission-critical and commercial wireless services, working in all 3GPP bands up to 3.8GHz. Using RFS’s unique mode suppression technology the ultra-broadband cable works with no stopbands to support current and future frequency needs, protecting customer investment from spectrum re-banding and pre-empting new generation requirements for years to come. The cable is technology agnostic, giving complete flexibility to customers, supporting mixed configurations and multi-operator or shared infrastructure deployments.
This versatile 5G ready cable is specifically designed to meet the challenges of MIMO deployments. Using a combination of horizontally polarized radiating cable and vertically polarized radiating cable, RFS enables maximum capacity and throughput of fifth-generation wireless networks, meeting the commercial requirements of customer deployments.
