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MV31: DNN/5G vs APN /4G, 5QI/5G va QCI/4G, Network Slicing/5G vs Private Network/LTE...

Showcase, December 7, 2021 - 9:54am, 1513 views

in 5G NR, especially under the 5G standalone SA ****, there are many differences to LTE/4G.

  1. DNN/5G vs APN /4G: In 5G NR, DNN (Data Network Name) is used vs APN (Access Point Name) in LTE/ 4G EPS.  
  2. 5G QoS (5QI) vs 4G QoS ( QCI): In 5G NR, QoS is at the PDU session/QoS flow level, QoS  flow packets are classified and marked using QoS Flow Identifier (QFI). in LTE / 4G, QCI QCI (Quality Class Indicator) is based on EPS Bearer, and applies to a bearer within which certain types of flows are specified.
  3. 5G Network Slicing vs 4G Private Network:  In 5G NR, slice information (NSSAI) is based on service offered to UE. Network slicing/5G is different to Private LTE/4G as they have different use cases in practice. Private network (smart factory, airports and ports, campus networks, financial institutions etc.) requires a Dedicated Core Network with full network infrastructure, as it is not shared with others. Instead network slicing is for customer applications nationwide ( e.g. fleet management, tracking systems within country boarders...) via reliable and controlled service within 5G NR MNO networks

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On MV31, users can check these values via AT commands such as:

Send: at+cgdcont?

Receive:
+CGDCONT: 1,"IPV4V6","","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0,,,,,,,,,"",,,,0
+CGDCONT: 2,"IPV4V6","internet","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0,,,,,,,,,"",,,,0

Send: at+cgcontrdp=1

 Receive:
+CGCONTRDP: 1,0,default,192.168.3.2,,8.8.8.8,

OK

 Send: at+cgcontrdp=2

 Receive:
+CGCONTRDP: 2,0,internet,192.168.3.2,,8.8.8.8,

OK
====================================  

at+cgpaddr
+CGPADDR: 1,192.168.3.2,32.1.4.104.48.0.0.1.32.1.4.104.48.0.0.1
                                                                                                                            
OK
at+cgcontrdp=1
+CGCONTRDP: 1,0,default,192.168.3.2,32.1.4.104.48.0.0.1.32.1.4.104.48.0.0.1, 254.128.0.0.0.0.0.0.220.166.100.228.231.91.214,

========================================= 

Send: at+C5GNSSAIRDP=3

 Receive:
+C5GNSSAIRDP:
+C5GNSSAIRDP: "00101",,,1,"01"

OK

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Refer to: "5G; System Architecture for the 5G System (3GPP TS 23.501 version 15.3.0 Release 15)"

https://www.etsi.org/deliver/etsi_ts/123500_123599/123501/15.03.00_60/ts...

Refer to: "Easy and simple - network slicing"

https://www.telekom.com/en/company/details/network-slicing-485776

Refer to: QXDM log in attachment

 

Download File dnn_vs_apn.txt (txt | 906 bytes)
Download File 5g-pdu.jpg (jpg | 86.79 KB)

Author

wemei's picture
wemei