5g Case Study

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C. Some Key Goals

Significantly faster data speeds- Achieving peak download speeds of 10 gigabit per second
Ultra-low latency- Latency refers to the time it takes one device to send a packet of data to another device. Currently with 4G, the latency rate is around 50 milliseconds, but 5G will reduce that to about one millisecond. This will be particularly important for industrial applications and driverless cars.

A more connected world - To provide that capacity for a network that can accommodate billions of connected devices from electricity meters to cars to household appliances and many more will be supported by future mobile networks.

Mobility - Same experience at home, in the office or on the move. Provides robust communication in remote
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Enhanced and available connectivity around the whole world is also offered by 5G.

E. Challenges faced by 5G

Standardization :

There are many groups already working to come up with the solutions of problems faced by older technologies like 4g,3g.. They all want their technology to be future-proof.It seems difficult to bring them all to the same global standard.
Infrastructure :

with issues around spectrum and installing new antennas. 5G is likely going to rely, at least in part, on higher-frequency bands. There is more space in those airwaves available, but at such high frequencies, signals cant travel nearly as far as they can over the frequencies used for 4G, resulting in a poor connection.

Cost :

Though companies like nokia think that 5G wont cost much more than what people are paying for 4G right now, it is still early to say that it wont cost much, given the transmission method and concepts are still not glass clear.

Time :

5G technology is very new. Practical implementations cant be applied at least before 2020, that also only for commer-cial standards. It will take years for the network to become widespread.

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The term 5G is sometimes used to encapsulate these technologies. However, it is important to clarify that these technological advancements are continuing independently of 5G.

While these are areas that will have significant impact on the mobile industry over the coming years, explicitly including them under the term 5G has the potential to adversely affect progress in the industry between now and the realisation of 5G as a commercial service.

Many of the services that have been put forward as potential killer apps for 5G do not require a generational shift in technol-ogy, and could be provided via existing network technologies. Only applications that require at least one of the key 5G technical requirements (sub-1ms latency and 1 Gbps downlink speed ) can be considered true next generational business cases.

Of these two requirements, reducing latency to sub-1ms levels may provide the greatest technical challenge. 5


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