Seattle Tunnel Case Study

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Tunnel Radio

Public Safety Communications

Reliable communications within the Public Safety sector is vital for First Responders. Fire and police departments, along with emergency medical services, all rely on the Public Safety communications network in coordinating their response. It is often the difference between life and death.

Challenge: Areas Where Communications Signals Are Interrupted

In Public Safety communications, established wireless solutions exist in the form of repeaters, dispatch stations, and two-way radios. However, the communication challenge increases significantly in areas where over-the-air communications signals are interrupted, such as tunnels, buildings, and other hard to reach locations. A means for extending the over-the-air communications into these disadvantaged areas must be developed.

Furthermore, in congested urban locations, with a very large number of Public Safety personnel, the challenge of sustaining simultaneous, clear, dependable communications becomes even greater. The challenge lies in maintaining simultaneous communications among many Public Safety users in an environment that is also filled with a multitude of other wireless signals including commercial radio, cellular networks, and Private System users. In an urban area like Seattle, WA, the communications spectrum is pushed to the limit.

Solution: A Distributed Antenna System

Tunnel Radio of America has a long history of successfully extending communications systems into disadvantaged areas such as the Great Northern Tunnel in Seattle. In this case, the solution was establishing a distributed antenna system (DAS) inside the tunnel to bring the tunnel into the existing Public Safety network. The solution included locating a Signal Booster at the tunnel’s south portal to provide the interface between the existing surface repeater and the distributed antenna system inside the 5300’ tunnel. The distributed antenna system included radiating coaxial cable running the length of the tunnel, with bi-directional line amplifiers regularly placed in the cable run to maintain signal levels throughout the tunnel… read more by clicking download below.

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Customized Railway Communications Solutions

ENSURE YOUR RAILWAY COMMUNICATIONS ARE UNINTERRUPTED

In the rail industry, staying connected is everything. At Tunnel Radio, your railway communications solutions are customized to your needs to ensure you never lose control of your rail management. Dead spots? Gone. In the middle of the mountain, underground, Tunnel Radio will provide interminable clarity for your radio communications. Tunnel Radio has three decades of experience in rail tunnel wireless systems. We understand that you rely on a stable system with constant coverage for your daily operations. Our technology for distributed power and train control will guarantee that your trains operate smoothly through every tunnel.

Rail Management Technology

IN-HOUSE DESIGN, MANUFACTURE, AND DEPLOY

Tunnel Radio’s staff of in-house engineers continuously strive to develop and refine new and existing equipment to serve the rail management technology industry. We strongly believe in the value of serving our customers, which includes unrestricted 24 hours-a-day, 7 days-a-week access to our technicians and engineers in order to deliver our products, services and support with the highest levels of quality and integrity.

Positive Train Control (PTS) / European Train Control System (ETCS)

TUNNEL LINK FOR TRAIN CONTROL SYSTEMS

Tunnel Link for Positive Train Control, or ETCS in Europe, guarantees signal coverage through any mountain pass or train tunnel. Our customized network removes dead zones and boosts signal ranges, preventing any interruption to your rail communications. Features and Benefits:

Distributed Power (DPU) for Railroad Communications

TUNNEL LINK FOR DISTRIBUTED POWER

The complete end-to-end coverage that Tunnel Link DP affords railroad communications safeguards the wellbeing and operational productivity of trains travelling through mountain passes and rail tunnels. Our custom-designed network of amplifiers and distributed antennas seamlessly connect the end-of-train to head-of-train signals in order to maintain constant power to your systems from one portal to the other. Features and Benefits:

Rail Tunnel Wireless Systems

ON FREQUENCY AMPLIFIER SYSTEM – WIRELESS COMMUNICATION

In the remotest areas of the world where passes and tunnels go through mountain ranges, your workers still need to connect with each other at all times. Tunnel Radio can provide this consistent coverage through any length of tunnel or pass using our On Frequency Amplifier System, or OFA. In the same product family as Tunnel Link, OFA wirelessly extends beyond your existing DP or train control system provider critical communications at the site. Even without a wired power source, our OFA system can handle every possibility under the sun, including solar power-capable. Features and Benefits:

Rail Asset and Personnel Tracking

MINEAX RFID TRACKING

Tunnel Radio’s MineAx active RFID tracking system gives you the vital ability to accurately locate personnel and assets in the tunnel. Operating on the same communications backbone, Mineax offers flexibility in design and supports multiple modes of transporting data, including wireless antennas over our distributed antenna system. With extremely long battery life and end-to-end coverage, wireless RFID tags can be located anywhere within your coverage area, overlaid on a custom-configurable software platform with a highly user-friendly user interface. Features and Benefits: " ["post_title"]=> string(12) "Tunnel Radio" ["post_excerpt"]=> string(0) "" ["post_status"]=> string(7) "publish" ["comment_status"]=> string(6) "closed" ["ping_status"]=> string(6) "closed" ["post_password"]=> string(0) "" ["post_name"]=> string(45) "tunnel-radio-railway-communications-solutions" ["to_ping"]=> string(0) "" ["pinged"]=> string(0) "" ["post_modified"]=> string(19) "2019-09-18 16:58:41" ["post_modified_gmt"]=> string(19) "2019-09-18 15:58:41" ["post_content_filtered"]=> string(0) "" ["post_parent"]=> int(0) ["guid"]=> string(58) "https://railway-news.com/?post_type=suppliers&p=29115" ["menu_order"]=> int(0) ["post_type"]=> string(9) "suppliers" ["post_mime_type"]=> string(0) "" ["comment_count"]=> string(1) "0" ["filter"]=> string(3) "raw" }