Sensis Multilateration Systems Meeting the Demands of Continually Changing Airports

Since deploying the industrys first surface multilateration system for the enhancement of ground movement safety at London Heathrow Airport in 2002, Sensis Corporation has supported its customers continued growth through numerous expansions of its multilateration systems.
This includes adding and/or moving sensors or antennas to accommodate airport construction and expansion projects, enabling controllers to maintain accurate situational awareness of ground operations without the cost of having to deploy a new surveillance system or additional Surface Movement Radar (SMR). Airports are continually adding gates, terminals, and other structures that may affect the performance of an existing multilateration system. Due to multilaterations extensible nature, sensors and antennas can be moved or added to address these new surveillance needs. By contrast, airport construction projects that affect SMR performance can result in costly repositioning of the SMR or, in some cases, deploying an additional SMR. Sensis multilateration solutions, whether they are deployed for surface or wide area multilateration, as part of an Advanced Surface Movement Guidance and Control System or Aerobahn surface management systems, offer the flexibility to meet new surveillance challenges presented by airport construction. Sensis systems have been augmented or adapted to meet new surveillance challenges at Amsterdam Schiphol, Brussels, Detroit Metropolitan-Wayne County, Frankfurt, Geneva International, Houston Intercontinental, Indira Gandhi International, Innsbruck, John F. Kennedy International, London Heathrow and Vienna International airports. In addition, Sensis multilateration systems can be adjusted to accommodate new communication hardware and protocols as the situation dictates. Airports are constantly evolving and with Sensis multilateration, ANSPs that invest in the technology receive a system that can grow with them, said John Jarrell, vice president and general manager of Sensis Air Traffic Systems. This is a result of our low cost, highly deployable sensors and the systems adaptable software architecture. Sensis multilateration uses multiple low-maintenance, non-rotating sensors to triangulate aircraft location based on transponder signals that provide air traffic controllers with precise aircraft position and identification information, regardless of weather conditions. With a higher update rate and greater positional accuracy than traditional radar, Sensis multilateration provides effective surveillance for increased safety, capacity and efficiency of airspace and airports. With its advanced processing techniques, Sensis multilateration uses the minimal number of sensors for a less complex, lower lifecycle cost solution. Additionally, every sensor deployed by Sensis also supports Automatic Dependent Surveillance Broadcast (ADS-B), providing an infrastructure that's ready for todays surveillance needs and tomorrows avionics for an economical, long-term solution. Almost 100 sites worldwide have chosen Sensis multilateration to enhance safety, efficiency, capacity and cost savings through airport surface surveillance, wide area surveillance and airport surface management.
Rob Conrad


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