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বিজ্ঞান ও প্রযুক্তিGS3
GS3

Cell Broadcast System Technology and Emergency Disaster Management

Source:The Hindu ↗

কেন এটি গুরুত্বপূর্ণ

Understanding technological tools like the Cell Broadcast System is vital for GS3 (Disaster Management and Science & Technology) as India transitions from a reactive disaster response framework to a proactive, early-warning-driven resilience model.

সারসংক্ষেপ

The Cell Broadcast System (CBS) is an advanced emergency warning tool utilized by governments and telecommunication authorities to broadcast critical, geo-targeted alerts directly to mobile phones within a specified area. Operating on point-to-multipoint communication, it remains effective during heavy network congestion and does not require internet connectivity or phone numbers, making it an indispensable tool for disaster management and early warning dissemination in India.

মূল বিষয়

  • The Cell Broadcast System (CBS) is a technology that allows geo-targeted, geo-fenced emergency messages to be broadcast directly to mobile devices within a specific area without requiring internet or subscriber registration data.
  • Unlike SMS, which uses point-to-point communication and can get congested during heavy traffic or network failures, cell broadcasting uses point-to-multipoint technology, ensuring rapid delivery to thousands or millions of users simultaneously.
  • It plays a crucial role in disaster management, providing early warnings for events like tsunamis, flash floods, earthquakes, and cyclones, shifting India's focus toward proactive disaster preparedness and early warning systems.
  • The system works across all mobile networks and functions even when mobile networks are congested or when a user is roaming, making it resilient during crisis situations.

গুরুত্বপূর্ণ শব্দ

Department of Telecommunications (DoT)

A central government body under the Ministry of Communications responsible for formulating telecom policies, licensing, and managing spectrum and digital infrastructure in India.

UPSC context

UPSC Prelims/Mains (GS Paper II/III): Relevant for governance, institutional framework, and telecom infrastructure development.

Source
National Disaster Management Authority (NDMA)

The apex statutory body in India mandated with laying down policies, plans, and guidelines for disaster management to ensure a timely and effective response.

UPSC context

UPSC Prelims/Mains (GS Paper III): Critical for disaster management, institutional response mechanisms, and early warning systems.

Source

সংযুক্ত স্থির ধারণা

Science & Technology Communication

What are the fundamental differences between point-to-point and point-to-multipoint communication in mobile networks?

  • SMS Point-to-Point:: Traditional messaging method where messages travel from one sender to one specific recipient phone number.
  • Traffic Congestion:: Vulnerable to severe delays and queuing failures during network congestion or sudden surges in panic traffic.
  • CBS Point-to-Multipoint:: One-to-many technology broadcasting simultaneously to all devices within a targeted cell tower coverage area.
  • Resilience:: Independent of internet connectivity, subscriber registries, and phone numbers; unaffected by network congestion.

আন্তঃবিষয় প্যাটার্ন

  • Telecom R&D + Atmanirbhar Bharat Initiative

    The deployment of indigenous cell broadcast technologies by C-DOT directly reinforces India's push for Atmanirbhar Bharat in telecom infrastructure and critical national security domains.

  • Disaster Management + Sendai Framework Targets

    Integration of early warning systems with the NDMA framework operationalizes the Sendai Framework targets for substantially increasing multi-hazard early warning systems globally.

CBS vs SMS point-to-multipoint mechanics and C-DOT's role make high-yield material for tech-disaster management overlap questions.

সংযুক্ত PYQ · 3

সংযুক্ত PYQ · 3

  • 2020MainsGS3

    Discuss the recent measures initiated in disaster management by the Government of India departing from the earlier reactive approach.

  • 2024MainsGS3

    What is disaster resilience? How is it determined? Describe various elements of a resilience framework. Also mention the global targets of Sendai Framework for Disaster Risk Reduction (2015–2030).

  • 2022PrelimsGS1

    Consider the following communication technologies: 1. Closed-circuit Television 2. Radio Frequency Identification 3. Wireless Local Area Network Which of the above are considered Short-Range devices/technologies?