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Client Story

County of Los Angeles Fire Department, CA, USA

The County of Los Angeles Fire Department provides fire protection and life safety services to more than 4 million residents in Los Angeles County, California. The Department’s service area covers 2,300 square miles and 60 cities. Nearly 100 dispatchers answer 9-1-1 calls and dispatch units to approximately 400,000 incidents annually.

County of Los Angeles Fire Department, CA, USA

"The LMR data network delivers everything the Department had hoped for and more. We can rest easier knowing that we can maintain communications during natural disasters and other emergencies, while at the same time saving our taxpayers money."

Scott EnglandLos Angeles County's Telecom Consulting Engineer

Situation

The County of Los Angeles Fire Department’s service area spans an eclectic mix of urban, suburban, beaches, open water, and mountainous terrain making wireless connectivity an ongoing challenge to safe and effective operations and rescue.

Specifically, the Department needed to utilize their LMR spectrum not only for voice but for digital data and messaging which would connect the Emergency Communications Center (ECC) with every vehicle mobile data computer (MDC) in order to send incident dispatches, receive status updates, provide digital messaging, and share location information among all responders. In addition, the Department wanted to have more control over costs and network security than could be achieved by relying solely on commercial broadband.

Response

The Department partnered with RadioMobile, a provider of mobile data communications technology to Fire and EMS departments and a Tait Communications partner to devise a solution. RadioMobile proposed the creation of a private LMR-based mobile data network combining several RadioMobile and Tait technologies.

RadioMobile
The proposed solution would ensure coverage well beyond commercial broadband by automatically switching between LMR and LTE depending on network availability and speed. In addition, the network would be closed to outside threats placing security under greater control. Finally, because the Department was no longer dependent solely on commercial broadband, the network would have an overall lower cost-of-ownership.

“We chose RadioMobile based on the strength of their technology and their ability to understand the Department’s very specific needs,” according to England. “Also, we had heard about the remarkable things they had done for the Los Angeles (city) Fire Department and CAL FIRE, so we knew they could deliver on their promises.”

Solution

The solution includes the installation of 12 LMR sites strategically placed throughout the County. Utilizing narrowband UHF channels operating at 22 kbps over-the-air, these “high sites” extend the radio signal far beyond that of low-level infrastructure offering greater range with fewer sites. In addition, the sites were hardened, well-protected and within the secure confines of the Department’s facilities, adding another layer of security.

Each site was equipped with a Tait TB8100 base station radio and RadioMobile 2212 Base Station Controller (BSC) that links the site to the computer aided dispatch (CAD)/AVL network via the IP backhaul. The TB8100 was selected for its selectivity, sensitivity, and adjacent channel interference specifications, ideal for use in high-noise environments like Los Angeles County.

Mobile units and apparatus are equipped with a mobile data computer connected to the network via a Tait TM8100 Mobile Radio that includes an integrated RadioMobile IQModem. The IQ Modem converts data from a digital format into a format suitable for analog transmission. In addition, the Department’s 220 fire stations are each equipped with RadioMobile’s IQ Fire Station Alerting System (IQ FSAS) that utilizes the mobile data network as its primary resource for communicating alerts and information to and from the stations. Again, an integrated TM8100/IQ Modem device receives the data call and passes it to the station hardware for immediate alerting.

Finally, the RadioMobile IQ Mobile Server intelligently switches between available networks to ensure that data is transmitted between communication end points as quickly and cost-effectively as possible.

Outcomes

As a result of the deployment of its LMR-based mobile data network, the County of Los Angeles Fire Department stands better prepared to protect the lives and property of its residents and visitors than ever before. The network provides a layer of redundancy when commercial broadband is unavailable or compromised as is often the case in natural disasters. And because the network supports data communications, the Department can share vital details such as map locations, pre-plans, dispatch details, and more. Plus, the Department now has greater control over the cost and security of its emergency communications and infrastructure.

Future plans call for the integration of the Department’s network into the Los Angeles Regional Interoperable Communications System (LA-RICS). LA-RICS will utilize 22 towers and LMR technology like that deployed for the County of Los Angeles Fire Department to create a unified web of communication, eliminate barriers to multi-jurisdictional responses and allow police, firefighters, and paramedics to communicate directly with users outside of their agency.

“The mobile data network helps us deliver on our mission to protect lives, the environment, and property of those we serve by keeping everyone informed and connected,” says England. “We look forward to the time when the entire region can share live-saving data and information as easily.”

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