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5G tutorial | 5G system basics tutorial

This page of tutorials section covers 5G tutorial basics which mentions need for 5G wireless, 5G technology features, advantages of 5G and key 5G projects.

As we know we can not live without modern wireless technologies. This makes our life cosy and easy. The world has compressed due to advent of wireless technologies. Both indoor and outdoor wireless technologies are evolving very rapidly.

2G, 3G and 4G cellular wireless technologies have been mass deployed throughout the world. Moreover personal area network based technologies such as wifi, bluetooth and zigbee have become predominant in our daily life.

5G is the short form of 5th Generation. It is used to designate fifth generation of mobile technologies. 5G has made it possible to use mobile phone with larger bandwidth possible. It is a packet switched wireless system. It is used to cover wide area and used to provide higher throughput. It uses CDMA, BDMA and also millimeter wave(for backhaul wireless connectivity). It uses improved and advanced data coding/modulation techniques. It provides about 100 Mbps at full mobility and 1 Gbps at low mobility. It uses smart antenna techniques to support higher data rate and coverage. Refer 2G vs 3G, 3G vs 4G, and 4G vs 5G.

5G network architecture

Refer 5G network architecture➤ more more description of 5G network.

5G technology features or advantages

The 5G technology makes use of all the existing cellular wireless technologies(2G, 3G and 4G). Apart from high throughput it provides following featutes to the users and providers of this technology.
• Better revenue for the service providers.
• Interoperability will become feasible and easier.
• Low battery power consumption.
• Better coverage and high data rates at the edge of cell.
• Multiple data transfer paths concurrently.
• More secure
• Flexible architecture based on SDR(Software Defined Radio).
• Higher system spectral efficiency
• Harmless to human health
• Cheaper fees due to lower costs of deployment infrastructure
• Better QoS(Quality of Service)
• Ultimate download and upload speed provides user great experience like broadband cable internet
• Most of the devices such as 5G dongle works on USB power and hence better in developing countries where electric power cuts are very common.


Specification / Feature 5G Support
Bandwidth 1Gbps or higher
Frequency range 3 to 300 GHz
Standard(access technologies) CDMA/BDMA
Technologies Unified IP, seamless integration of broadband, LAN/PAN/WAN/WLAN and 5G based technologies
Applications/Services wearable devices, dynamic information access, HD streaming, smooth global roaming
core network flatter IP network, 5G network interfacing (5G-NI)
Handoff vertical, horizontal
Peak Data Rate Approx. 10 Gbps
Cell Edge Data Rate 100 Mbps
Latency less than 1 ms

5G NR (New Radio) architecture

5G NR Overall architecture

5G NR overall architecture is shown in the following figure-2. This is as defined in the 3GPP TS 38.300 specification. Refer 5G network architecture >>

5G NR Network Interfaces

5G NR gNB interfaces

Refer 5G NR network interfaces which include Xn interface, NG interface, E1 interface, F1 interface and F2 interface. Refer 5G NR interfaces >>.

5G Channel Types

5G Channels, 5G Logical channels, 5G Transport Channels

5G channel types cover logical channels and transport channels used in uplink and downlink with mapping between them. The 5G logical channels include xBCCH, xCCCH, xDCCH, xDTCH etc. The 5G transport channels include xBCH, xDL-SCH, xRACH, xUL-SCH etc. Refer 5G Channel Types >>.

5G Protocol Stack

5G Protocol Stack- User Plane and Control Plane

The 5G layer-1 is PHYSICAL Layer. The 5G layer-2 include MAC, RLC and PDCP.The 5G layer-3 is RRC layer as shown in 5G protocol stack. Refer 5G protocol layer functions >>.


Key research projects based on 5G

Various projects based on 5G are in progress and are administered and managed by 5G-PPP. The projects include 5G-NORMA, 5G-ENSURE, CHARISMA, COGNET, XHAUL, mmMAGIC, SPEED-5G, Flex5Gware, FANTASTIC 5G etc.

5G-PPP is the short form of 5G Infrastructure Public Private Partnership. It has been initiated by EU commission, manufacturers, operators, researchers and SMEs. The 5G-PPP will provide next generation solutions, technologies, standards, architectures to be used for telecommunications.

5G tutorial RELATED LINKS

Following are the sub topics on the 5G technology:
5G Frequency Bands
5G millimeter wave tutorial
5G mm wave frame
5G millimeter wave channel sounding
Difference between 4G and 5G
5G testing and test equipments

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