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How 5G wireless technology works
5G is a packet switched wireless system with wide area coverage and high throughput. 5G is going to be a packed based network. 5g network pdf
▪ Introduction to 5G
▪ Evolution from 1G to 5G
▪ Standards of wireless 5G
▪ What is 5G
▪ What does it offer
▪ why we need 5G 4
Introduction of 5G
5G is a packet switched wireless system with wide area
coverage and high throughput.
5G wireless uses OFDM and millimeter wireless that
enables data rate of 20 mbps and frequency band of 28
5G is going to be a packed based network. 5
What does it offer
Worldwide cellular phones.
Extraordinary data capabilities.
More power features in hand held phones.
Large phone memory, more dialing speed, more
clarity in audio video. 6
Why we need 5G
▪ Due to drawback of other generation.
▪ They have low speed , poor voice and video quality as 5G. 7
Evolution 0 Generation
▪ Precell phone mobile telephony technology, such as radio telephones that
some had in cars before the arrival of cell phones.
▪ Communication was possible through voice only.
▪ These mobile telephones were usually mounted in cars or trucks.
▪ Technologies :
PTT(Push to Talk)
MTS (Mobile Telephone System)
IMTS (Improved MTS)8
▪ First mobile radio
telephone In 1924.9
“A voice call gets modulated to a higher frequency
of about150MHz and it is transmitted between radio
towers. This is done using a technique called
FrequencyDivision Multiple Access (FDMA).”10
FDMA (Frequency Division Multiple Access)
NMT (Nordic Mobile Telephone)
AMPS (Advanced Mobile Phone System)
▪ Problems :
Prone to distortions11
Drawback of 1 G
▪ Poor battery
▪ Poor voice quality
▪ Large in size
▪ No security
▪ Frequency call drop12
▪ Digital cell phones
▪ Speed: 10kbits/sec
▪ Time to download a 3min MP3 song: 31 41 min
▪ Different Services :
Digital voice calling
Short message service (SMS)
Drawback of 2G
▪ Weaker digital signal
▪ Due to rapid changes in user
expectation, they do not meet
today's wireless need.
▪ These systems are unable to handle
complex data such as Videos.
▪ Low voice data slow
▪ Reduce range of sound14
▪ Time to download a 3min MP3
“ 3G networks provide the
ability to transfer voice data song:
nonvoice data over the same ▪ 11sec1.5min
▪ The aim of the 3G is to allow for
Speed: 144kb/sec3mb/sec i.e. 1
more coverage and growth with
million bits, or 125,000 bytes, of
data are being transferred per ▪ Internet, email, fax, ecommerce,
music, video clips, and
Global roaming, GPS
Send/receive large email messages
Highspeed Web, Navigation/maps
Electronic agenda meeting reminder16
Drawback of 3G
▪ High Bandwidth Requirement
▪ Expensive 3G Phones.
▪ Large Cell Phones17
▪“The word “MAGIC” also refers ▪ Speed:
to 4G wireless technology which ▪ The data transfer is 100 Mbps
stands for Mobile multimedia, for outdoor and 1Gbps for
Anywhere, Global mobility indoor.
solutions over, Integrated
wireless and Customized
▪ Features include:
A spectrally efficient system
High network capacity
Huge data rate
Perfect connectivity global roaming
High quality of service, Security Privacy 19
Drawback of 4G
▪ Battery uses is more
▪ Hard to implement
▪ Need complicated hardware
▪ Expensive equipment
required to implement next
Standard of WIRELESS 5G
WiMAX formed to provide conformance and
interoperability of the IEEE 802.16 standard.
It aims to provide wireless data over long
distance from pointtopoint link to cellular
mobile type access.
WiBRO a part of IEEE 802.16e in process to
provide collaborative and generic mobile
3GPP LTE a project aims to improve the
mobile phone standard to cope with future
5GPP 2 UMB a project to improve the
CDMA 2000 mobile phone standard for next
generation applications. Feature 23s of 5G
High resolution for crazy cell phone users
Bidirectional large BW
25 Mbps connectivity speed
Better fast solution.
Enhanced available connectivity just about the
Uploading Downloading speed of 5G touching
the peak (up to 1 Gbps ). 24
Data BW of 1 Gbps or higher
Dynamic information access
Available at low cost
Bi directional, accurate traffic statistics25
Application of 5G
Wearable devices with AI
(Artificial Intelligence) capabilities.
Pervasive (Global) networks
Media independent handover
Radio resource management
VoIP (Voice over IP) enabled devices26
▪ 3G Operator Centric
▪ 4G Service Centric
▪ 5G User Centric.
▪ 5G can serve as a flexible platform.
▪ We have proposed 5G wireless concept designed as an open platform
on different layers.
▪ The new coming 5G technology will be available in the market at
affordable rates, high peak future much reliability than preceding
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