5G cellular networks: 6 new technologies

today my topic is about a cellphone specifically six possible 5g cell phone technologies or cellular technologies but the first is first let's look at a brief history of a cell phone in the past 50 years the first generation cell phone was used in the 1970s and 80s the wine T cell phone was big and heavy that's why his nickname was the brick it was analog just like a traditional home landline phone and they were very expensive too on march 13th 1984 in USA someone bought a Motorola cell phone for 3995 dollars the phone had a talk time of Joseph 35 minutes but he took 10 hours to charge its battery the 1990s saw two G cell phones you can make a call you can send a text message and you can even send a smiling face it was a digital a big step in the 2000s 3g cellphone came with the internet browser the technologies behind 3G is HSPA or HSPA+ 3G used MIMO multiple-input multiple-output a method for multiplying the capability of a radio link in data transmission packet switching method is used for 3G besides the generation terminology has become widely used a sense thing in the 2010 4G cell phone came to dominate the market by the end of the year 2018 right now pretty much everyone except grandma grandpa is using 4G cell phones behind a 4G or LTE long-term evolution or WiMAX 4G uses IP and packet switching just like of computers actually 4G phone is new computer in your hand at this point you might see the pattern each cellular phone generation lasts for about ten years now is time to move to a new generation the 2020s will be a five error it is a cellular 5g will be 100 times faster than the current of 4G and the downlink maximum our output can offer a retain to 20 gigabits per second which means you can download 2 to 3 high-definition DVD movies just in one second what makes f IG is so exciting in X 8 minutes please let me talk about 6 technologies among many others pause Bali used for 5g cellular network one fi'ty will use new radio called millimeter wave as we know radio frequency spectrum from one gigahertz to 6 gigahertz is very crowded many technologies use this range such as GPS WiMAX Wi-Fi 4G 3G Alabama set light as bad and a Savannah set light etc the spectrum range from 30 gigahertz to 300 gigahertz knowing as millimeter wave is less utilized is a new territory thus the range from 24 Giga Hertz to 100 gigahertz is a proposed for Fiji the millimeter wave has at least three advantages one it is a new and a last used tube and as we mentioned before to higher frequency wave carries much more data than lower frequency wave and the third advantage is millimeter wave makes possible to have massive MIMO antenna which is the second 5g technology the relationship between the wave frequency and antenna size is inversely proportional which means lower frequencies signals need a bigger antenna to chest meet and receive while the higher frequency signals can work well with a smaller size antenna the higher frequency wave we use the smaller antenna we can get thus millimeter wave makes it possible to have a lot of transmitters and receivers installed on a small size cell or panel for example for older technologies one cell can have 10 antennas but for 5 G's the same cell may have let us see 100 antennas thus once more soul can handle many more users at the same time the third technology is also related to millimeter wave millimeter wave has advantages as we mentioned before but it has some disadvantages too for example higher frequency signals will have more collisions with obstacles in the air and it does they tend to lose energy more quickly therefore millimeter wave signals cover shorter distance they are also easily blocked by a building or trees to solve these problems small cell stations are needed to filling in coverage gaps between the base station and users each cell station covers a small area the member was small cell stations and the distance between them depends on the population at that location in a highly populous district for example the distance between two small cells could vary from attained to 100 meters in the near future you might say such small cells everywhere your neighborhood the fourth new technology is called a beamforming in 4G the wireless signals if not omnidirectional are spreading over a large area as they travel the signals tend to lose energy more quickly to make things worse different users might interfere with each other if they are standing close beamforming makes a transmission between the users and a base or cell stations more directional it can be visualized as laser beam between them so that signals seem like a traveling allow an invisible keyboard the high density of beamforming leads to less interference and less energy consumption and thus a faster data rate can be achieved the fifth technology is Anoma now a thermal multiple-access in previous generations 1g through 3g multiple access methods are based on frequency time and encode in 4G orthogonal multiple access is used the key idea of Anoma is to use the power level of the user devices to access the base station the new multi-process method would allow a different signals share the same channel simultaneously but noma provides a high summer rate than orthogonal method this to access methods orthogonal and an orthogonal would be to separate of videos on my channel here I try to escape the details otherwise this video is already too long and too boring last but not least mobile age computing the mobile edge computing or MEAC utilize the cloud computing but a brand's cloud computing closer to users in normal cloud computing environment there are several drawbacks which include one cloud service could be far away from users physically you know the distance always makes difference longer distance would easily create a latency too many data and applications need downloading to users devices it will be too much Pritam to users device especially for the device with a limited processing power and a memory mobile add computing brands cloud computing and services to the edge which is closer to the user they are physically local to users intensive and latency sensitive applications like the augmented reality video conference can be hosted at the edge of the network application splitting is another benefit this would enable application to be splitted into small tasks with a sum performed at the device and a sum at the cloud Faiza would be dreaming by a lot of new technologies on the other hand fight you would put through other technologies to a new level such as the Internet of Things games smart cities motorhome self-driving cars remote operations machine learnings and you name it fight is coming with a lot of potentials and possibilities some we know now but there is more we do not know but overall the future looks bright in Donald Trump's estar with speech it would be great very very great I hope this video is helpful thank you very much and see you next time oh don't forget to 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Channel: Sunny Classroom

Views: 153,419

Rating: 4.9036145 out of 5

Keywords: sunnyclassroom sunny classroom, wireless, TCP/IP, virtual Network, computer and computing, Sunny Sun, networking+ cybersecurity security+ networking + cyber threats cyber defense IoT Wi-Fi security, 1G, 2G, 3G, 4G, 5G. Cellular technologies, HSPA, HSPA+, LTE- long term evolution, millimeter wave, massive multi-user MIMO, small cell stations, beamforming, NOMA, and Mobile Edge Computing., mobile systems, mobile networks, 5G phones

Id: hQvHNVRv_ms

Length: 11min 57sec (717 seconds)

Published: Fri Dec 07 2018