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July 10, 2020

Cell Broadcast Service or Public Warning System in 5G

By prasanna sahu in 5G Core, 5G NR, 5G System

Cell Broadcast Service or Public warning system is part of 5G cell broadcast mechanism. Cell Broadcast Centre Function(CBCF), is generic broadcast centre responsible for all kind of broadcast messages including…

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May 16, 2020

Emergency Services(E911) FallBack procedures in 5G

By Sushobhit Goyal in 5G Core, 5G NR, 5G System Tag E911 in 5G, Emergency Services FallBack, ES-FB

1.1     Emergency Services FallBack ES-FB 1.1.1     Introduction Service Request for emergency: This solution is new in 5GS, i.e., there is no equivalent in 4G. The UE uses service-request for emergency…

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April 27, 2020

EPS Fallback Voice in 5G

By Sushobhit Goyal in 5G Core, 5G NR, 5G System Tag eps fallback, EPS-FB, EPSFallback, EPSFB, Voice fallback

1.1     Introduction Voice over NR with EPS Fallback includes an additional mobility trigger by which the UE falls back from NG-RAN to LTE during call establishment. This may be needed,…

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January 5, 2020

5G Quality Of Services (QoS)

By Sushobhit Goyal in 5G Core, 5G System

The concept of QoS in 5G is flow based. Packets are classified and marked using QFI (QoS Flow Identifier). The 5G QoS flows are mapped in the AN (Access Network)…

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May 15, 2019

5G Network Identity SUPI/SUCI

By prasanna sahu in 5G Core, 5GSecurity

Introduction In 5G in order to protect UE permanent Identity (SUPI- Subscription Permanent Identifier )  UE never transmit SUPI as it is. UE conceal(encrypt) SUPI using encryption scheme to create…

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Recent Posts

  • RATFallBack for Voice in 5G SA
  • 5GS-WiFi(ePDG) Calling/Offloading Aspects
  • Cell Broadcast Service or Public Warning System in 5G
  • Emergency Services(E911) FallBack procedures in 5G
  • EPS Fallback Voice in 5G
  • 5G Security (5G AKA Authentication)
  • 5G Quality Of Services (QoS)
  • 5G Network Identity SUPI/SUCI
  • 5G Network Slicing Concepts
  • 5G Way Through Unlicensed Spectrum
  • 5G Network Architecture
  • 5G PDU Session Establishment
  • 5GC, EPC interworking without N26 Interface
  • How 5G Registration works

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Recent Posts

  • RATFallBack for Voice in 5G SA
  • 5GS-WiFi(ePDG) Calling/Offloading Aspects
  • Cell Broadcast Service or Public Warning System in 5G
  • Emergency Services(E911) FallBack procedures in 5G
  • EPS Fallback Voice in 5G

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  • 5G NR
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  • 5GSecurity
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Recent Posts

  • RATFallBack for Voice in 5G SA
  • 5GS-WiFi(ePDG) Calling/Offloading Aspects
  • Cell Broadcast Service or Public Warning System in 5G
  • Emergency Services(E911) FallBack procedures in 5G
  • EPS Fallback Voice in 5G