GNSS-based emergency message service: Lessons learned and future prospects

Daisuke Iwaizumi,Takaki Ishida,Shota Iino,Naohiko Kohtake,Peter J Buist

ASMS/SPSC（2014）

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摘要

Integrating navigation and communication for emergency message services through Global Navigation Satellite System (GNSS) signals is under consideration in Europe and Japan. A GNSS satellite continuously transmits ranging signals and messages. These messages include information about the satellite's orbit, ionospheric conditions, satellite health, etc. In a next generation of these systems or utilizing spare bits available in the current systems, data bandwidth could be utilized to transmit additional information, for example during large scale emergency situations.

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关键词

emergency services,mobile handsets,satellite navigation,gnss receivers,global navigation satellite system signals,qzss satellite,data bandwidth,disaster information,emergency message service,ground infrastructure,ionospheric conditions,mobile telephones,navigation messages,reception status,satellite communication,satellite health,satellite orbit,spare bits,transmission interval,augmetation signal,emergency message,gnss,quasi zenith satellite

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