Analysis on 5G Communication System

This report discusses the challenges and motivation for the introduction of 5G communication, different channel models, MIMO techniques, and the advantages of D2D communication in 5G. It also analyzes millimeter wave propagation in 5G communication.

Analysis on 5g Communication System
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Table of Contents
INTRODUCTION...........................................................................................................................3
MAIN BODY..................................................................................................................................3
Challenges and motivation..........................................................................................................3
Millimetre wave propagation in 5G communication...................................................................3
Different channel models for 5G communication.......................................................................4
MIMO techniques in 5G communication....................................................................................5
How D2D communications can take advantages of 5G communications...................................5
CONCLUSION................................................................................................................................6
REFERENCES................................................................................................................................7
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INTRODUCTION
5G is the latest generation technology for wireless and mobile and internet services. This
report will discuss about challenges and motivation for introduction of 5G and different channel
models for 5G communication. This report will also discuss about millimetre wave propagation
in 5G communication. Later this report will also discuss about MIMO techniques in 5G
communication. Followed by this report will also discuss about how D2D communication can
take advantage of 5G communication.
MAIN BODY
Challenges and motivation
Challenges that were faced during introduction of 5G technology for wireless networks
are-
Deployment and coverage- 5G will require more infrastructures and this is a challenge for
introduction of 5G. The challenge is because 5G antennas while are able to handle more data and
more users’ range of these antennas is limited (Galis and Chih-Lin, 2017). Because of this
reason, this becomes a challenge.
Cost to build, cost to buy- This means that building a network is expensive and carriers will
raise the money to it by increasing customer revenue. This means that initial cost that was
incurred in developing LTE was also high and this is why 5G is also likely to increase customer
revenue.
Motivation for 5G are-
High Speed- This is one of the motivation for the purpose of introducing 5G. This means that
because of 5G, speed of network is likely to increase.
More reliable than other networks- This means that 5G network is more reliable than other
networks and also has higher bandwidth (Galis and Chih-Lin, 2017). Because of this 5G can
used for range of applications that requires lot of data.
Reduction in waiting time- This is another motivation for 5G introduction. In this loading and
waiting time for specialist services and allows people to access consultation.
Millimetre wave propagation in 5G communication
This is one of the interfaces being considered for 5G mobile communication that uses
millimeter wave frequencies. This means that bandwidth of several GHz may required by
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operators to provide some of extremely high data rates being forecast. Propagation
characteristics of millimeter wave bands highly different from those that are 4GHz. In this
distance that can be achieved by network is very less and signal also do not pass through walls.
Along with this millimeter wave propagation also possesses challenge as they can be affected by
natural changes like rain (AlAbdullah and et.al., 2017). This can cause reduction in signal levels
and this is likely to cause reduction in speed and effectiveness of network. However millimeter
wave propagation can also give good coverage and lower down than micro cells and this is why
coverage will be not good but when considering level of data they can carry and also provide
excellent way forwards for meeting needs of network of 5G communication. This means that
millimeter wave propagation has both positive and negative impacts on effectiveness of the 5G
communication network. This means that millimeter wave propagation enables high speed but at
the same time, it also gets affected by natural changes.
In regards to propagation 5G communication models it can be said that they are crucial for
evaluation as well as in comparing performance of different technology proposals. There are
several challenges and barriers occur in implementation and making use of 5G communication
but with the help of appropriate model channels like stochastic approach, all negative impacts
and challenges can be reduced. But it is also found that it become difficult for some of 5
requirements to meet with all expectations of stochastic modeling approach of 5G
communications. Rather, stochastic approach or model, map based model of 5G communication
also plays a vital role as due to lack of meeting expectations of stochastic approach, map base
approach are being used. For knowing effectiveness of models and selecting the best one there is
requirement of extensive measurement. For detailed description, measurement program can be
conducted.
Different channel models for 5G communication
There are several frequency brands that are proposed for 5G communication or network
speed. It can meet the higher data rates for point to point communication as well as area
coverage. Blockage model is one of the main effective communication models. This model can
be described only when features of this model is turn on. Temporal variability of this model
parameter can be used on demand basis (Wang and et.al., 2018). This blockage model cannot
change LOS state of each link. After applying this model, channel generation in sub clause 7.5
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requires following some steps. It can be divided into 2 parts such as blockage model A and
blockage model B as per the modes and effectiveness of communication process.
MIMO techniques in 5G communication
MIMO refers multiple inputs and multiple out technology. It is an established wireless
communication technique that is mainly used for receiving as well as sending multiple data
signals over the same radio channel. This technique of communication plays a vital role in Wi-Fi
communication such as: 3G, 4G and 4G LTE networks. It can completely change or transform
mobile experience of people and MIMO technique use many transmits and receive antennas in
order to increase transmission gain as well as spectral efficiency (5G Massive MIMO, 2020).
There is requirement of some antennas for making use of Massive MIMO such as: beam
forming as well as beam steering. Both these antennas play a vital role in higher capacity gains
that are being promised by 5G network. Both these are essential for delivering 100 times data
rates and 100 times capacity goals in international mobile telecommunication (Sunthari and
Veeramani, 2017). So, overall it can be said that all antennas and MIMO technique play a vital
role in delivering 5G network or high speed data.
How D2D communications can take advantages of 5G communications
Device to device communication can be defined to a radio technology that makes able to
device to communicate directly with each other or connected devices. When connected devices
communicate over a direct link then end to end latency can be decreased. One of the main
reasons of using D2D communication in 5G communications is to increase spectral efficiency,
increasing users experience and also expanding communication applications. In this direct to
direct communication, users’ data can directly be transmitted between terminals without even
routing via cellular network and it can lead to gain high speed network and efficiency (Araniti
and et.al., 2017). Some main advantages of D2D communication in 5G communication network
are:
It increases capacity gain because there is a possibility of sharing spectrum resources
between D2D users and spectrum. Other main advantages of this communication are it increases
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user data rate gain because it consists of favorable propagation conditions and close proximity. It
is the reason it allows users to get high peak rates.
CONCLUSION
From report it has been concluded that data speed plays a vital role as it changes or
transforms experience of users to the great extent. 5G communication network can change
several things and the ways of living in all fields. It has discussed effectiveness of MIMO
technique and antennas used in this technique as it increases users experience and speed. Further,
it has shown direct to direct communication and its advantages in 5G communications. Lastly, it
has analyzed millimeter wave propagation in 5G communication and its effectiveness.
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REFERENCES
Books and journals
AlAbdullah, A.A and et.al., 2017, September. Indoor millimetre-wave propagation channel
simulations at 28, 39, 60 and 73 GHz for 5G wireless networks. In 2017 Internet
Technologies and Applications (ITA) (pp. 235-239). IEEE.
Araniti, G. and et.al., 2017. Device-to-device communications over 5G systems: Standardization,
challenges and open issues. In5G mobile communications (pp. 337-360). Springer,
Cham.
Galis, A. and Chih-Lin, I., 2017. Towards 5G network slicing-motivations and challenges. IEEE
5G Tech Focus. 1(1).
Sunthari, P.M. and Veeramani, R., 2017, March. Multiband microstrip patch antenna for 5G
wireless applications using MIMO techniques. In 2017 First International Conference on
Recent Advances in Aerospace Engineering (ICRAAE) (pp. 1-5). IEEE.
Wang, C.X. and et.al., 2018. A survey of 5G channel measurements and models.IEEE
Communications Surveys & Tutorials, 20(4), pp.3142-3168.
Online
5G Massive MIMO. 2020. [Online]. Available through <
https://blogs.keysight.com/blogs/inds.entry.html/2020/02/19/what_is_5g_massivem-
xcZq.html>
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