Atmajeet Seminar Report
Atmajeet Seminar Report
5G Wireless Technology
Submitted by
Atmajeet Mishra
Regd. No.: 2101229048
2021 - 2025
Certificate
This is to certify that this is a bonafide Seminar report, titled “5G Wireless Technology”,
done satisfactorily by Atmajeet Mishra (2101229048) in partial fulfillment of
requirements for the degree of B.Tech. in Computer Science & Engineering under Biju
Patnaik University of Technology (BPUT).
This Seminar report on the above mentioned topic has not been submitted for any other
examination earlier before in this institution and does not form part of any other course
undergone by the candidate.
I am grateful to all the teachers of Computer Science & Engineering department, DRIEMS,
for their encouragement, advice and help.
At the outset, I would like to express my sincere gratitude to Prof. Surajit Mohanty,
H.O.D of Computer Science & Engineering department for his moral support extended
towards me throughout the duration of this seminar.
I am also thankful to my friends who have helped me directly or indirectly for the success
of this seminar.
Atmajeet Mishra
Regd. No.: 2101229048
Department of Computer Science & Engineering
School of Engineering and Technology, DRIEMS University
ABSTRACT
LIST OF FIGURES i
CHAPTER 1 1
1 INTRODUCTION 1
1.1 BRIEF OVERVIEW OF 5G TECHNOLOGY 2
1.2 HISTORICAL BACKGROUND AND EMERGENCE OF 5G 4
CHAPTER 2 7
2 UNDERSTANDING 5G 7
2.1 EXPLANATION OF 5G TECHNOLOGY 7
2.1.1 HARDWARE OF 5G 9
2.1.2 SOFTWARE OF 5G 9
CHAPTER 3 11
3 TECHNICAL ASPECTS OF 5G TECHNOLOGY 11
3.1 KEY FEATURES OF 5G TECHNOLOGY 11
3.1.1 ENHANCED MOBILE BROADBAND (EMBB)
11
3.1.2 ULTRA-RELIABLE LOW-LATENCY COMMUNICATION (URLLC)
i
CHAPTER 1
INTRODUCTION
The fifth generation of wireless technology, commonly known as 5G, stands poised to
revolutionize the way we communicate, connect, and interact with the world around us. As the
successor to 4G LTE, 5G promises to deliver unprecedented levels of speed, reliability, and
connectivity, unlocking a new era of innovation and opportunity across various industries and
sectors.
At its core, 5G represents a significant leap forward in wireless communication, offering data
transfer rates that are several times faster than its predecessor. With speeds potentially reaching
up to 10 gigabits per second (Gbps), 5G enables near-instantaneous downloads, seamless
streaming of high-definition content, and real-time communication for applications such as
gaming, virtual reality (VR), and augmented reality (AR).
One of the defining features of 5G technology is its remarkably low latency, with response
times as low as 1 millisecond (ms). This ultra-low latency is critical for enabling mission-
critical applications that require real-time interaction, such as remote surgery, autonomous
vehicles, and industrial automation. By reducing delays in data transmission, 5G unlocks new
possibilities for innovation and efficiency in various sectors.
Moreover, 5G offers increased network capacity and connectivity, with the ability to support a
massive number of connected devices per square kilometer. This is made possible through
advanced technologies such as massive Multiple Input Multiple Output (MIMO) and
beamforming, which optimize the use of available spectrum and enhance coverage both indoors
and outdoors.
Another key advantage of 5G technology is its flexibility and versatility, allowing for the
customization of network services to meet the diverse needs of different applications and use
cases. Whether it's delivering enhanced mobile broadband (eMBB) services for consumers,
1|Page
supporting ultra-reliable low-latency communication (URLLC) for critical infrastructure, or
enabling massive machine-type communication (mMTC) for the Internet of Things (IoT), 5G
provides a scalable and adaptable platform for innovation.
As 5G networks continue to roll out globally, they are expected to drive economic growth,
stimulate innovation, and transform industries across the board. From smart cities and
connected healthcare to autonomous transportation and industrial automation, the possibilities
enabled by 5G technology are vast and far-reaching..
Li-Fi, short for Light Fidelity, represents a cutting-edge wireless communication technology
that utilizes light to transmit data. Coined by Professor Harald Haas during a TED Talk in 2011,
Li-Fi has gained significant attention for its potential to revolutionize the way we connect and
communicate wirelessly.At its core, Li-Fi operates by modulating the intensity of light emitted
by LED bulbs to encode data. These modulations are then detected by specialized
photodetectors, enabling bidirectional communication.
Advantages:
High Speed:
• Significantly faster data transfer rates compared to 4G, potentially reaching up to 10 Gbps..
5G networks consist of three main components :
• the Radio Access Network (RAN), the Core Network, and the User Equipment (UE).
• These components work together to enable efficient communication between devices and
deliver high-quality services. .
Enhanced Mobile Services:
• Deliver immersive multimedia experiences, augmented reality (AR), and virtual reality
(VR) applications.
• Industrial Automation: Enable real-time monitoring, control, and optimization of
industrial processes through IoT and machine-to-machine communication
Smart Cities:
2|Page
• Infrastructure requirements, spectrum availability, and security and privacy concerns are
among the key challenges facing the deployment of 5G technology.
• Robust security measures, such as encryption, authentication, and intrusion detection, are
essential to protect against cyber threats and ensure the integrity of network operations and
data
Low Latency:
Increased Capacity:
• Ability to support a massive number of connected devices per square kilometer, addressing
the growing demand for connectivity.
Enhanced Reliability:
• Requires Improved network reliability and stability, with reduced packet loss and
downtime.
Light Blockage:
Spectrum Allocation:
• 5G utilizes diverse spectrum bands, including low, mid, and high bands, to accommodate
different use cases and requirements.
• Spectrum auctions and regulatory frameworks govern the allocation of spectrum for 5G
deployment.
3|Page
• Beamforming: Directs radio signals towards specific users or areas to enhance coverage
and performance.
• Network Function Virtualization (NFV) and Software-Defined Networking (SDN):
Increase network flexibility, scalability, and efficiency.
• Mobile communication has evolved through several generations, from the first-generation
(1G) analog systems to the fourth-generation (4G) LTE networks. Each generation
introduced improvements in data speeds, capacity, and functionality, paving the way for
more advanced services and applications.
• 4G LTE networks, deployed in the late 2000s and early 2010s, delivered significant
enhancements in data speeds and mobile broadband capabilities.
• However, as mobile data usage continued to surge, 4G networks started facing challenges
related to capacity, coverage, and latency, particularly in dense urban areas and during
peak usage periods.
4|Page
Need for 5G:
• Recognizing the limitations of existing technologies and the growing demand for high-
speed, low-latency connectivity, industry stakeholders began envisioning the fifth
generation (5G) of mobile networks.
• 5G aimed to address the shortcomings of 4G while introducing transformative capabilities
to support emerging applications such as augmented reality (AR), virtual reality (VR),
autonomous vehicles, and smart cities.
• Supporting a massive number of IoT devices and sensors with diverse requirements,
ranging from smart meters and wearable devices to industrial sensors and autonomous
drones.
• 5G technologies such as millimeter-wave (mmWave) spectrum, massive MIMO (Multiple
Input Multiple Output), network slicing, and edge computing play crucial roles in
achieving these goals.
• Standardization bodies like the 3rd Generation Partnership Project (3GPP) played a central
role in developing the specifications for 5G. Collaborative efforts among
telecommunications companies, equipment manufacturers, and regulatory authorities
ensured the global harmonization of 5G standards.
• Commercial deployments of 5G networks began in select cities around the world in the
mid-2010s, with operators gradually expanding coverage and capabilities over time
5|Page
CHAPTER 2
UNDERSTANDING 5G
Massive MIMO technology involves the use of multiple antennas at both the transmitter and
receiver to improve spectral efficiency and signal quality. By transmitting multiple data streams
simultaneously and using advanced signal processing techniques, Massive MIMO enhances
network capacity and coverage while reducing interference.Beamforming is a technique used
in 5G to focus radio frequency signals towards specific users or devices, rather than
broadcasting them in all directions. By steering beams towards the intended recipients,
beamforming improves signal strength, coverage, and reliability, especially in dense urban
environments or areas with high user concentrations.Network slicing allows operators to create
multiple virtual networks, or "slices," within a single physical infrastructure.
6|Page
This Photo by Unknown Author is licensed under CC BY-SA
User devices, including smartphones, tablets, IoT sensors, and other connected devices, are
equipped with 5G-compatible hardware to access 5G networks. These devices incorporate 5G
modem chips, antennas, and RF front-end components to communicate with 5G base stations
and access network services. Manufacturers are developing a wide range of 5G-enabled devices
to meet consumer demand for faster connectivity and enhanced capabilities.
7|Page
2.1.1 Hardware Of 5G
Base stations, also known as cell towers or base transceiver stations (BTS), form the backbone
of 5G networks. These stations are responsible for transmitting and receiving radio signals to
and from user devices within their coverage area. 5G base stations are equipped with advanced
antennas and transceivers capable of supporting higher frequencies, massive MIMO, and
beamforming technologies.Small cells are compact base stations deployed in densely populated
urban areas or indoor environments to enhance coverage and capacity. They complement
traditional macrocell base stations by providing localized coverage and offloading traffic from
congested areas. Small cells play a crucial role in delivering reliable 5G connectivity in high-
demand areas like city centers, stadiums, shopping malls, and transportation hubs.Antennas are
essential components of both base stations and user devices in 5G networks. Massive MIMO
technology, which utilizes a large number of antennas, is a key feature of 5G infrastructure.
2.1.2 Software of 5G
Network management software is used to monitor, configure, and control various elements of
the 5G network, including base stations, small cells, and core network components. It provides
tools for network operators to analyze network performance, troubleshoot issues, and optimize
resource utilization. Network management software also supports tasks such as software
upgrades, configuration changes, and security management.SDN is a technology that separates
the control plane from the data plane in network devices, allowing centralized control and
programmability of network resources. In 5G networks, SDN enables dynamic provisioning of
network services, traffic engineering, and policy enforcement. It facilitates the implementation
of network slicing, where virtualized network instances are created to meet the specific
requirements of different applications or user groups.NFV is a concept that involves
virtualizing network functions traditionally implemented in dedicated hardware appliances. In
5G networks, NFV enables the deployment of virtualized network functions (VNFs) on
standard hardware platforms, reducing costs, increasing flexibility, and accelerating service
deployment.Cloud computing and edge computing technologies play a crucial role in 5G
networks by providing scalable resources for data processing, storage, and application hosting.
Security software is essential for protecting 5G networks against cyber threats, vulnerabilities,
and attacks. It includes tools for authentication, encryption, access control, intrusion detection,
and threat mitigation. Security mechanisms are implemented at various layers of the
8|Page
CHAPTER 3
TECHNICAL ASPECTS OF 5G TECHNOLOGY
9|Page
consists of base stations (also known as gNodeBs) that use advanced antenna technologies such
as Massive MIMO and beamforming to enhance coverage, capacity, and spectral efficiency.
The Core Network (CN) is the central part of the 5G architecture responsible for routing data,
managing network resources, and providing services to users. It Manages the establishment,
configuration, and termination of user sessions and services.Handles the data forwarding and
processing functions for user traffic, including packet routing, forwarding, and traffic
shaping.Manages user authentication, mobility, and handover between different base
stations.Handles the setup, maintenance, and termination of communication sessions between
users and network services.Enforces network policies and quality of service (QoS) parameters
based on user requirements and network conditions. Manages user authentication and security
credentials, ensuring the integrity and confidentiality of user data.5G networks leverage NFV
and SDN technologies to virtualize network functions and centralize network control and
management. NFV enables the deployment of virtualized network functions (VNFs) on
standard hardware platforms, while SDN separates the control plane from the data plane,
allowing centralized control and programmability of network resources.Network slicing
enables operators to create multiple virtual networks, or "slices," within a single physical
infrastructure.
10 | P a g e
3.3 Applications of 5G
he applications of 5G span a wide range of industries and use cases, leveraging the
technology's high-speed, low-latency connectivity, massive connectivity, and reliability.5G
enables faster download and upload speeds, higher-quality video streaming, and smoother
online gaming, enhancing the mobile broadband experience for consumers. Users can enjoy
ultra-high-definition video streaming, virtual reality (VR) gaming, and augmented reality (AR)
applications on their smartphones and tablets with minimal latency.5G technology supports
autonomous vehicles by providing low-latency communication between vehicles and
infrastructure (V2X communication).
3.4 Advantages of 5G
5G networks leverage advanced antenna technologies such as Massive MIMO and
beamforming to enhance coverage, capacity, and spectral efficiency, improving network
performance and user experience.Network Slicing: 5G enables operators to create multiple
virtual networks, or "slices," within a single physical infrastructure, allowing efficient resource
allocation, better quality of service (QoS), and greater flexibility in deploying diverse
applications on the same network infrastructure.5G technology supports a wide range of
emerging applications and services, including augmented reality (AR), virtual reality (VR),
cloud gaming, telemedicine, and smart city infrastructure, unlocking new opportunities for
innovation and connectivity.
11 | P a g e
technology, users experience significantly faster data speeds compared to previous
generations. This means faster downloads, smoother video streaming, and quicker
access to online content and services.5G networks aim to reduce latency to as low as 1
millisecond, enabling near-real-time communication and responsiveness.
12 | P a g e
techniques such as AES (Advanced Encryption Standard) can be employed to secure data can
be transmitted.
13 | P a g e
This Photo by Unknown Author is licensed under CC BY-SA-NC
Integrating 5G with IoT platforms, edge computing, and device management systems enables
real-time data collection, analysis, and control for smart cities, industrial automation, and
connected vehicles.5G networks integrate with edge computing infrastructure to enable
distributed computing and real-time data processing at the network edge. Edge computing
reduces latency, enhances privacy, and supports low-latency applications such as augmented
reality (AR), virtual reality (VR), and IoT.5G networks integrate with blockchain technology
for secure and transparent transactions, identity management, and decentralized applications.
Blockchain-enabled smart contracts, digital signatures, and tamper-proof ledgers enhance
security, trust, and accountability in 5G networks and services.
14 | P a g e
CONCLUSION
The deployment of 5G networks is paving the way for a wide range of applications, including
enhanced mobile broadband, autonomous vehicles, smart cities, industrial automation,
telemedicine, and immersive entertainment experiences. These applications leverage 5G's high-
speed, low-latency connectivity to deliver real-time communication, data exchange, and decision-
making, driving innovation and economic growth across various sectors.
However, the full realization of 5G's potential depends on addressing key challenges such as
spectrum availability, infrastructure deployment costs, security concerns, and regulatory
considerations. Collaboration among industry stakeholders, government agencies, and standards
organizations is essential for overcoming these challenges and unlocking the benefits of 5G
technology for society.
15 | P a g e
REFERENCES
1. Haas, H., Yin, L., Wang, Y., Chen, C., & Hranilovic, S. (2016). What is Li-Fi? Journal
of Lightwave Technology, 34(6), 1533-1544.
2. Egeela, H., Meshi, R., & Haas, H. (2011). Indoor optical wireless communication:
potential and state-of-the-art. IEEE Communications Magazine, 49(9), 56-62.
3. Chi, Y., & Wang, Z. (2015). An introduction to Li-Fi technology. Journal of
Communications, 10(11), 838-847.
4. Komine, T., & Nakagawa, M. Fundamental analysis for visible-light communication
system using LED lights. IEEE Transactions on Consumer Electronics, 50(1), 100-
107.,2004
5. Rajagopal, S., Roberts, R. D., & Lim, S. K. Experimental demonstration of 3.5 Gbps
VLC using OOK modulation with predistortion. Journal of Lightwave Technology,
30(24), 3804-3813,May 2012.
6. M. Pendergrass, “Empirically Based Statistical Ultra-Wideband Channel Model,” IEEE
P802.15-02/240-SG3a, July 2002
7. A. Saleh and R. Valenzuela, “A statistical model for indoor multipath propagation,” IEEE
Journal on Selected Areas in Communication, Vol. SAC-5, pp. 128-137, February 1987
16 | P a g e