GLOBAL SYSTEM FOR MOBILE COMMUNICATIONS PLITMS BULDHANA NAME-AKSHAY H.RATHOD A SEMINAR ON
Presentation Agenda INTRODUCTION OF GSM GSM WORKING Evolution of GSM The Dawn of Mobile: 1G The Digital Revolution: 2G (GSM) The Mobile Internet Era: 3G High-Speed Mobile Broadband: 4G LTE The Future of Connectivity: 5G Key Takeaways and Future Outlook
INTRODUCTION OF GSM Globle system for mobile (GSM) is a second cellular standard Developed to cater voice services and data delivery using digital Modulation. It emerged as a second-generation (2G) standard, offering a more standardized and efficient alternative to the fragmented first-generation analog systems. GSM is widely adopted and remains a prominent technology, despite the advent of newer generations like 3G and 4G
GSM WORKING
The Dawn of Mobile: 1G (First Generation) Introduced in the 1980s. Analog voice transmission only. Limited capacity and poor voice quality. Prone to eavesdropping and interference. Large, bulky, and expensive devices . Image Source
The Digital Revolution: 2G (GSM) Launched in 1991, GSM (Global System for Mobile Communications) became the dominant 2G standard. Digital voice transmission, offering improved voice quality and security. Introduction of SMS (Short Message Service) and basic data services (GPRS, EDGE). Greater network capacity and spectral efficiency compared to 1G. Enabled international roaming. Image Source
The Mobile Internet Era: 3G Emerged in the early 2000s. Higher data transfer rates, enabling mobile internet access, video calls, and multimedia messaging. Technologies like UMTS (Universal Mobile Telecommunications System) and HSPA (High-Speed Packet Access). The rise of smartphones and mobile applications. Image Source
High-Speed Mobile Broadband: 4G LTE Introduced in the late 2000s and early 2010s. Significantly faster data speeds, supporting high-definition video streaming, online gaming, and cloud services. LTE (Long-Term Evolution) and LTE-Advanced are key technologies. All-IP network architecture for efficient data delivery. Image Source
The Future of Connectivity: 5G Currently being deployed globally. Promises ultra-low latency, massive device connectivity, and extremely high data speeds. Enables new applications like autonomous vehicles, enhanced virtual and augmented reality, and advanced IoT. Utilizes new spectrum bands and advanced antenna technologies (MIMO, beamforming). Image Source
Key Takeaways Mobile communication has evolved from basic analog voice to sophisticated digital data services. Each generation has brought significant improvements in speed, capacity, and functionality. GSM (2G) was a pivotal step, introducing digital technology and essential services like SMS. The progression to 3G, 4G, and now 5G continues to transform how we communicate and interact with the digital world.