This document discusses green communication and security challenges in 5G wireless networks. It outlines techniques for power allocation and measuring greenness, including equal power allocation and game theory. It also covers 5G network technologies like device-to-device communication, massive MIMO, small cells, and the internet of things. The document notes security concerns with these technologies and potential solutions. It concludes that 5G networks aim to increase energy efficiency 1000x through combining efficient technologies while maintaining network security.

1. A SURVEY ON GREEN COMMUNICATION
AND SECURITY CHALLENGES IN 5G
WIRELESS COMMUNICATION NETWORKS
Done By: Ahmad Taweel1

2. OUTLINE
I. INTRODUCTION
II. TECHNIQUES FOR POWER ALLOCATION
AND GREENNESS MEASUREMENT
III. 5G NETWORKS TECHNOLOGYS
IV. SECURE POWER OPTIMIZATION
V. RESEARCH CHALLENGES
VI. CONCLUSION
2

3. I. INTRODUCTION
 4G networks can support data rate up to 3Gbps
 increasing number of subscribers
 consumption of energy results in increasing
 carbon dioxide levels in the atmosphere
3

4. I. INTRODUCTION
 energy-efficient communication becomes a
prerequisite for the evolving cellular network
architecture
 evolution of green communication
 green 5G cellular networks is expected to increase
the energy efficiency up to 1000x
 Renewable sources
4

5. II. TECHNIQUES FOR
POWER ALLOCATION
AND GREENNESS
MEASUREMENT 5

6. TECHNIQUES FOR POWER ALLOCATION (1/2)
 The energy efficiency in cellular networks is
measured using different modeling techniques:
 Equal Power Allocation:
 each user is allocated an equal amount of power
 different amounts of power may be allocated to them, as per
their prerequisite
 inactive user will be allocated power
 Complexity is less
6

7. TECHNIQUES FOR POWER ALLOCATION (2/2)
 Game theory:
 An important mathematical tool for modeling a wireless
network
 cellular network is modeled as a game
 users serving as players
 compete for resources in the network
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8. GREENNESS MEASUREMENT (1/2)
 Require energy efficiency metrics
1. Energy Efficiency (EE)
 ratio of total ( throughput to power consumed ).
2. Secrecy Energy Efficiency
 ratio of (transmission bits to energy consumed )
 SEE is the most important metric
maximize the SEE in the network -> better secrecy of net
3. Area Energy Efficiency (AEE)
 ratio of the energy efficiency to the area of macro cell in
square-kilometer.
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9. GREENNESS MEASUREMENT (2/2)
 A single metric is not enough
 Cost aspects (QoS and QoE requirements)
 Delay
9

10. III. 5G
NETWORKS
TECHNOLOGYS
10

11.  rise in the count of users
 mobile traffic is increasing
 disturbing impact on the
environment and human
health(CO2 increase)
 5G networks are expected
to reduce the energy
consumption
 various 5G technologies
11

12. DEVICE-TO-DEVICE (D2D) COMMUNICATION (1/3)
 supports a short-range communication
 Latency is greatly reduced
 improved system throughput
 devices communicate over direct links
 Offloading data from mobile network (reduce traffic)
 obtain high capacity with in cellular networks
12

13. MASSIVE MIMO (1/3)
 large number of antennas deployed at the base station
 freedom for information transmission
 Data rate enhancement
 Spectral efficiency enhancement
 Energy efficiency enhancement
13

14. MULTIPLE ACCESS
 Multi-path transmission technology enables a
device to use multiple transmission
protocols(Cellular, wlan, bluetooth…)
simultaneously.
 Multi-path transmission enhances connection
reliability and data transmission rates
 MPTCP(Multi-path TCP) enables a device to
configure several TCP sessions simultaneously by
utilizing multiple network connections and
addresses. 14

15. MULTIPLE ACCESS
 Throughput maximization based on path capacity
enhancement and channel error reduction.
 Mobility improvement and latency reduction using
improved path switching control
15

16. SMALL CELL (1/2)
 low-powered cellular radio access
nodes
 range of 10 meters to a few kilometers
which is shorter than macrocell
range(antennas)
 handle fewer concurrent calls or
sessions
16

17. SMALL CELL (2/2)
 Large number of small cells in a
given area can provide significant
throughput enhancements
 Needs Distributed and self
configured network technology that
enables easy deployment of small
cells which is the main focus of
small cells technology in 5G.
17

18. INTERNET OF THINGS
 seamless connectivity between devices
 seamless connectivity to the internet
 seamless integration of the physical world with the
cyber world
 improved access to data and information.
 sensor-dependent
 Transmission power Optimized
 senses the critical data
 ensures timely reliable delivery.
18

19. IV. SECURE
POWER
OPTIMIZATION
19

20. DEVICE-TO-DEVICE (D2D)
concerns solutions
direct link formation is highly
effected by jamming
Internet Protocol Security (IP Sec)
secrecy capacity joint power and access control
(JPAC)
power control joint power and access control
(JPAC)
Eavesdropper interference between the D2D users
and cellular users
secrecy of communication. interference between the D2D users
and cellular users 20

21. MASSIVE MIMO
concerns solutions
intruders artificial noise(AN) energy detect
Security constrained power facilitated using random matrix
theory
secrecy transmission rate Artificial noise improve
power transfer efficiency massive MIMO relay network
enhance
21

22. INTERNET OF THINGS
Concerns solutions
location-based services Cryptographic solutions to secure
system secrecy variety of algorithms
Power levels. A three-layer architecture
saving energy A three-layer architecture
22

23. FULL-DUPLEX
Concerns solutions
power consumption design transmit beamforming
Security of wireless system transmit power for uplink and
downlink are minimized
23

24. V. RESEARCH CHALLENGES
 power consumption may exceed limits.
 Energy efficiency (EE) and latency in 5G networks
bears a trade-off relation.
 large amount of overhead, and extra power
consumption
 Cost factor
 security concerns.
 using renewable sources for harvesting energy has
limitations
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25. VI. CONCLUSION (1/2)
 Concern in wireless networks is the energy efficiency
 Energy consumption is expected to drastically rise
 Serious economic and ecological concerns
 Increase amount of CO2 in the atmosphere due to higher
power consumption
 Advent of green communication in wireless networks
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26. VI. CONCLUSION (2/2)
 Energy efficiency can be assured through power control
 The 5G networks aggregate a number of efficient
technologies, supporting green communication.
 Network security is the one aspect which cannot be
compromised.
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27. THANK
YOU 27