Transcript 5G, What would be the content of it and your expectation

*Introduction
*Evolution from 1G to 4G
*Why we need 5G?
*Our Expectations to 5G
*Techniques of 5G
*Conclusion
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*5G is a terminology that is used for the 5th
generation mobile technology.
*5G is still in the concept stage.
*The absence of official standard makes the
5G have limitless possibilities.
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*Many organization and companies are devoted
to developing 5G communication.
*EU
*Huawei - China
*Samsung - Korea
*NTT DoCoMo - Japan
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*1G
*1G refers to the first-generation of mobile
telecommunications.
*It is based on analog system and used
Frequency-division multiple access (FDMA).
*The cellular networks were unable to
interoperate between countries.
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*2G
*It was developing in 1990s.
* Two systems : GSM(Europe), CDMA(U.S.)
*These differed from the previous generation by
using digital instead of analog transmission and
providing service like SMS.
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*3G
*ITU and 3GPP defined the demands for 3G
mobile networks with the IMT-2000 standard.
*It uses packet switching rather than circuit
switching for data transmission.
*Services include wide-area wireless voice
telephony, video calls, and broadband wireless
data, all in a mobile environment.
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*4G
*It is a successor to the third generation (3G)
standards. A 4G system provides mobile ultrabroadband Internet access
*It provides speed up to 100Mbps.
*LTE (Long Term Evolution) is considered as 4G
technology.
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Technology
Features
1G
2G
3G
4G
Start/
Deployment
1970 / 1984
1980 / 1999
1990 / 2002
Now
Data Bandwidth
2kbps
64kbps
2Mbps
1 Gbps
Technology
Analog
Cellular
Technology
Digital Cellular
Technology
CDMA 2000
(1xRTT, EVDO)
UMTS, EDGE
WiMax LTE
Wi-Fi
Service
Mobile
Telephony
(Voice)
Digital voice,
SMS, Higher
capacity
packetized
data
Integrated
high quality
audio, video
and data
Dynamic
Information
access,
Wearable
devices
Multiplexing
FDMA
TDMA, CDMA
CDMA
CDMA
Switching
Circuit
Circuit, Packet
Packet
All Packet
Core Network
PSTN
PSTN
Packet N/W
Internet
Handoff
Horizontal
Horizontal
Horizontal
Horizontal and
Vertical
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increase 1,000 fold
Massive growth in
Connected Devices
Large diversity of
use case and
requirement
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*UK want to regain a world leading position and to
be at the heart of new business creation and
product development around the technologies
with rich applications.
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*Mobile Cloud Computing Support
*Allow use applications without installation and
access their personal files at any computer with
internet access.
*Can reduce the cost of purchasing physical
infrastructure by renting the usage from a
content provider.
*This could make our user to obtain much more
real-time application .
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*To Reduce Our Waiting Time
*Because of 5G’s speed, we might spend less
than one minute to download HD movies or
games.
*Pervasive Networks
*No longer be restricted to a single network
*It provide multiple concurrent data transfer
and also user can move globally.
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*Medical
*5G may provide high bandwidth, high quality
services and reliable connection.
*Such applications can be of great importance
in future health care services.
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*High Quality of Transmission and High Security
* Monitors could send real-time image without
latency.
*Will support everything from simple M2M
devices
*We could do more authentication in our
communication. That means we could ensure
whether the supplicant is the true party.
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Application Layer
Presentation Layer
Session layer
Transport Layer
Network layer
Data link Layer(MAC)
Application( Services )
Open Transport Protocol (OTP)
Upper network layer
Lower network Layer
Open Wireless Architecture (OWA)
Physical Layer
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*Introduces an open wireless architecture (OWA)
mobile terminal design
*Provide multi-dimensional open baseband
processing modules with open interface
parameters to support different existing and
future wireless communication standards
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*To maintain virtual multi-wireless network
environment
*Separation of network layer into two sub-layers
in 5G mobiles
*Upper network address (IPv6) → for the mobile
terminal
*Lower network IP addresses (IPv4 or IPv6), and
vice versa → for each interface
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5G mobile phone network layer
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*Problems that lost segments in the
communication
*In TCP version is that network congestion
*In wireless network is owing to higher bit error
ratio interface
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*
TCP modifications and adaptation are
proposed
*Retransmit the lost or damaged TCP segments
over the wireless
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A transport layer to be downloaded and
installed
*A specific wireless technology installed at the
Base station
*Mobiles download them
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*Purpose:
*Provide intelligent QoS management over networks
Service quality testing and storage of
measurement information in database
*Such QoS parameters like : jitter, losses,
bandwidth, reliability …
*Used by intelligent algorithms as system process
*For the best wireless connection upon required
QoS and cost constraints
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Orthogonal approaches
Non-orthogonal approaches
Generation
1G and 2G
2G and 3G (WCDMA/CDMA2000)
Characteristics
1. Avoidance of intra-cell
interference
2. Sensitive to cross cell interference
3. Insensitive with near far effect
4. Free window for synchronization
and treatment for ISI using cyclicprefix method
1. Sensitive with intra-cell
interference
2. Mitigate cross-cell
interference
3. Sensitive with near far effect
4. No need for synchronization
1. FDMA
2. OFDMA
1. CDMA
2. IDMA
1. Good foe high data rates
1. Good for cancelling inter-cell
interference
2. Robust against fading
1. Not efficient for inter-cell
interference
2. Low transmission power
1. Not scalable for high data rate
transmission in asynchronous
transmission environments
2. Its bandwidth is much larger
than the data rate used to
suppress the interference
Multiplexer
Advantage
Disadvantage
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*Mobile communication system provide good
quality service
*To a large number of users at lower cost
*Challenge：increase system capacity and quality
within a limited frequency spectrum
TDMA、CDMA、FDMA、OFDM
* Korean research and development has suggested
BDMA as a radio interface for 5G
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*We expect an accelerating pace of technological
change owing that the wireless systems is limited
to predict and important in our society
*Though 5G is not published in any official
document, some countries , such as UK, Korea,
and Japan, now is developing and to be a new
revolution in wireless systems market
*We take a positive attitude to 5G and hope it
could improve the quality of our lives in 2020
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Thank you for listening
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Q&A
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