Communication network Group project
Let’s talk about 5G!
Group Members :R96034026 Shin–Tzu,ChengR96031086 Chen–Hsun,HoR96031109 Chien–Wen,Lo
Professor :Kuang – Chiu, Huang
Content
• Introduction
• Dilemma for 4G to breakthrough
• Possible 5G Techniques
• Applications of 5G
Background
• The demand for high speed connection will be much more urgent
• obstacles to overcome
①signal interference
②backhaul solution
③connection of heterogeneous networks
Evolution of Wireless NetworkGeneration 1G 2G 3G 4GDesign began
1970 1980-1985 1990 2000
Implementation
1984 1991-1999 2002 2010
Data Bandwidth
1.9Kbps
14.4Kbps 2Mbps 200 Mbps
Speed 14.4Kbps(peak)
56 Kbps to 115 Kbps
5.8Mbps to 14.4Mbps
100 Mbps to 1Gbps
Standards AMPS
GSM(2G)GPRS(2.5G)TDMACDMA
CDMA 2000WCDMAHSDPA(3.5G)
Wi-MaxLTEWi-Fi
Technology Analog cellular technology
Digital cellular technology
Broad bandwidth CDMA,IP technology
Unified IP and seamless combination of broadband,LAN,WAN,WLAN
Evolution of Wireless Network
Generation 1G 2G 3G 4G
Multiplexing FDMA TDMA,CDMA
CDMA CDMA
Switching Circuit Circuit Packet,Circuit for air interface
All packet
Core network PSTN PSTNPacket network
Internet
Service
Analog voice
Digital voice , Higher capacity packetized data
Integrated high quality audio,video and data
Dynamic Information access, Wearable devices
4G
OFDMA 、 SDR 、 MIMOFast moving transmission capacity =
100MBpsStationary state capacity = 1GBpsCellular mobile communication systems
5G
Upgrade 100-1000 times than 4GConnect billons of devices in same timeD2DmmWaveMassive MIMOSmarter devicesM2M
2. Millimeter wave (mmWave)
To repurpose or refarm spectrumTo share spectrum utilizing28-30, 60, 71-76, 81-86, 92-95 GHz
3. Massive MIMOHaving many more base station antennas
5. Native support for machine-to-machine
A massive number of connected devicesVery high link reliabilityLow latency and real-time operation
4K Video Stream
● Every thing on the Cloud --> HD Video Streamo 4K Streaming : 14 Mbpso 8K Streaming : 18 Mbps
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