Wireless communication refers to the transmission of information from one point to another point that are not physically connected. It can be small which is used for television remote control and even a far distance which is used for deep space radio communication. The paper deals with the development of technologies and its advantages and comparative study on 3G, 4G, 5G and 6G and overview of 6G technology.
It is the ported technology of mobile technology. Any amount of stuff can be done anyhow, anywhere and everywhere. It gives people a cellular phone, car, laptop to do that stuff. GPS route framework, web browser, and instant messenger framework, video gaming framework. Thousands of numbers of transmission media like radio wave, microwave, infra-red, GPS and Bluetooth are used to exchange information through voice, content, video, 2-dimensional barcodes and much more. The technology is in a highly demandable position in many organizations as well as especially in the mobile technology ones.
Advantages
• Speed of access
• High efficiency
• Reduces the cost of operations
• Unlimited possibility
• Increases reach social network
Disadvantages
• Pertinent information reaches the wrong people when proper security measures of the devices and information being used in the cell phone are not followed.
• During this process, patients undergo a kind of digital isolation of patients in the use of media.
• Security threats
• Information management- less
• Security and privacy
6G will become the marriage of 5G with satellites to reach all corners of the earth. 6G technology resembles the cheapest technology for internet usage and carries it with the power to provide high-speed internet connections. It takes advantage of the extremely high data transfer rates and access wirelessly over the air, which has very super-high internet speeds, which are coming to mobile devices based on the transmission of 11 Gbps, while the distances travel quite long. The 6G technology aims to provide mobile users with multimedia, internet connectivity as well as weather information services. The nano antennas which are designed are used to transmit high speed electromagnetic signals at various geographical locations such as roadsides, villages, malls, airports, hospitals. The globe is decorated by fly sensors with the help of 6G technology. They will provide information to their remote observer station. Point to point wireless communication networks transfer super-fast broadband signals through the air over high speed optical fiber lines to transfer secure information from the transmitter to the destinations.
5G technology is a term that describes the fifth generation technology introduced in 2010. It provides connectivity speeds up to 25 Mbps. It supports virtual private networking. The file uploading and downloading speeds are extremely fast. It consumes less amount of battery, and it is viable with strong bandwidth up to 40 MHz. It comes cheaper in its rates and can be used by multi users. 5G stands for complete wireless communication without any limitation.
Features
• Very fast update speed on software response
• More space-occupying
• Wide applications
• Connects at very high speeds up to 25 Mbps
• Much more options as software can be upgraded
• More transmissions
• Less traffic congestion
• Bi-directional, Broad bandwidth
• Supports VPN
Advantages
• High resolution and formation of wide bandwidth in both ways
• Technical aspect that accumulates all networks in a single platform
• Efficient and effective.
• Technology that will give the subscriber supervisory tools for quick action.
• Most likely will provide huge broadcast data (in gigabits), supporting more than 60,000 connections.
• Easily manageable with previous generations. Technically sound to support heterogeneous services-including private networks. It is possible to provide uniform, seamless and consistent connectivity across the globe.
Disadvantages
•Expensive
•Research
•Infrastructure
•Security issues
•The technology is still under process and there are researches on its feasibility.
•Speed, this technology is claiming that it cannot be achieved because inefficient 5G has reduced the speed (difficult to achieve in future).
This term 6G technology is used for the sixth generation technology. Global coverage is being taken by integrating 5G technology. Resource monitoring and weather information is used through multimedia video and high-speed internet connectivity and earth imaging satellite network. The three major objectives for 6G technology are the integration of three types of satellites namely telecommunication, navigation and multimedia networks that provide world position, internet connectivity with high speed and weather information services to the mobile user.
Advantages
• Extremely fast access to the internet.
• Data rate of 10-11 Gbps.
• Home automation and other allied applications.
• Smart homes, cities and villages.
• Used in the production of energy from the galactic world.
• Space technology and defense applications will be revamped with 6G networks.
• Home based ATM systems.
• Satellite to satellite communication for the development of mankind.
• Natural disasters will be dealt with 6G networks.
• Sea to space communication
Now mobile phones include everything ranging from small size, humble phone memory, speed dialing, video player, audio player, camera, and many more. With the advent of internet and Bluetooth technology nowadays data transfer can be termed as child’s play. The sixth generation (6G) wireless mobile communication network involves the integration of satellites to ensure total coverage across the world. It will be the nanocore and artificial intelligence where all network operators will be connected to a single core. As in evolution and explosion, many will die, but some will rule this world. It will be very expensive on mobile calls in 6G, and this problem is going to go away, the price of a call will decrease with satisfaction on 7G.
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