About Generations of Internet
About Generations of Internet
- The mobile wireless Generation (G) generally refers to a change in the nature of the system, speed, technology, frequency, data capacity, latency etc.
- Each generation has some standards, different capacities, new techniques and new features which differentiate it from the previous one.
- The journey of mobile wireless communication began with 1G followed by 2G, 3G, 4G,and the upcoming generation 5G.
- The first generation (1G)Used for voice calls only
- Speed – 2.4 kbps
- Allowed voice calls in 1 country
- Used analog signal
- Had poor voice quality
- Offered very low level of spectrum efficiency
- The second generation (2G)It is a digital technology and supports text messaging.
- Data speed was up to 64kbps.
- Used digital signals
- Enables services such as text messages, picture messages and MMS(Multimedia message)
- Unable to handle complex data such as videos
- Required strong digital signals to help mobile phones work
- 5 GSpeed: 64-144 kbps
- Send/receive e-mail messages
- Web browsing
- The thirdgeneration (3G)This internet technology provided higher data transmission rate, increased capacity and provides multimedia support.
- Speed 2 Mbps
- It offers data services, access to television/video, new services like Global Roaming.
- It operates at a range of 2100MHz and has a bandwidth of 15-20MHz used for high-speed internet service, video chatting.
- Increased bandwidth and data transfer rates to accommodate web-based applications and audio and video files
- Provides faster communication
- Send/receive large email messages
- High speed web/more security/video conferencing/3D gaming
- The fourth generation (4G)It integrates 3G with fixed internet to support wireless mobile internet, which is an evolution to mobile technology and it overcome the limitations of 3G.
- It also increases the bandwidth and reduces the cost of resources.
- LTE (Long Term Evolution) is considered as 4G technology
- Capable of providing 10Mbps-1Gbps speed
- High quality streaming video
- Combination of Wi-Fi and Wi-Max
- High security
- Provide any kind of service at any time as per user requirements anywhere
- Expanded multimedia services
- Low cost per-bit
- The fifth generation5thGeneration Mobile technology and is going to be a new revolution in mobile market which haschanged the means to use cell phones within very high bandwidth.
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