5G Core Network Architecture
In this post, we will learn 5G Network Architecture. The control plane in 5G network includes the AMF, the SMF, the AUSF, the UDM,
How SGSN selects the GGSN in GPRS, using iDNS and eDNS
The network is not having only one GGSN, it may have a few GGSNs. Also, it is having a lot
QoS ‘Quality of Service’ in GPRS
QoS refers to ‘Quality of Service’. After ‘PDP context activation’ procedure completes, a ‘PDP context’ shall exist on the MS,
Your Guide for PDP context activation procedure in 3G
At the end of this procedure, ‘PDP’ is established between the MS and the GGSN. The GGSN assigns an IP
Combined Attach procedure in GPRS
‘Combined Attach’ means the MS is making an attach to the CS and PS domains in the same time. And
Gs interface – SGSN/MSC association in GPRS
The Gs interface is the interface between the SGSN, and the MSC/VLR. In other words, it is the interface between
PMM state transition in 3G
The PMM state are the Mobility management state for the MM context exist on the MS and on the SGSN
2G/3G Mobility Management states
The GPRS Mobility Management determines if the user equipment is registered to the network or not. In another words, it
Routing Area Update ‘RAU’ in GPRS
Types of Routing Area Update ‘RAU’ Intra-SGSN RAU The Intra SGSN RAU occurs when the MS moves from one RA
Your reference for GPRS Attach Procedure
GPRS Attach procedure is the procedure in which the MS registers to the network. In other words, the network knows
Gn Interface and Gp Interface
Gn/Gp interface, is the interface between the SGSNs and the GGSNs. ‘Gn interface’ is the interface between the SGSNs and
Roaming Architecture in 2G/3G
To understand Roaming architecture in GPRS, there are a few terms we have to understand, Outbound roaming The outbound roaming
IMSI, MSISDN, IMEI, P-TMSI – Mobile Identifiers
In case there is an MS that is having Dual SIM, every SIM is having its own IMSI, MSISDN, IMEI,
PLMN, LAC, and RAC – GPRS network identifiers
The mobile network contains many RNCs and BSCs. The RNCs connect to the 3G sites, and the BSCs connect to
What is PDP, and Attach in GPRS
What is PDP To know what is ‘PDP’, we should know that in order for an MS to be able
SGSN, GGSN – 2G/3G Network Architecture and Interfaces
2G/3G Network Nodes The following graph shows the 2G/3G Network Architecture. It includes the SGSN, GGSN, HLR, CG, PDN, RNC,
Your Guide to Mobile Network Technologies, GSM/GPRS/UMTS/LTE
Mobile network technologies has evolved over time to satisfy the increasing customer needs for higher data rates and better services.
Telecommunication jobs: what is ‘PS Core Engineer’
For people who would like to know about telecommunication jobs, the mobile network core has a valuable set of jobs.
5G Network Slicing
5G Network Slicing means that, to divide the physical network that the operator is having, into different logical networks with
What is 5G CUPS in 5G Network ?
In this post we will learn what is 5G CUPS. CUPS refers to “control plane and user plane separation”. 5G
5G Technology – New Radio (NR)
5G technology provides higher throughput, with low latency and more communication reliability, for the communication between end devices. 5G Technology
5G Introduction
In this post we will discuss 5G Introduction. 5G is the fifth generation mobile network. It enables higher data rates
What is Tracking Area in LTE ?
Here, we will discuss the Location identifiers in LTE mobile network, including the mobile operator identifier, the Tracking Area identifier,
Offline Charging vs. Online Charging in LTE
The type of charging in LTE mobile network, may be Offline Charging or Online Charging. The main difference between the
Your Guide to LTE Interfaces (S11, S5, S8, SGi, S1-U)
Let’s talk about LTE Interfaces. In LTE, every interface between two network nodes, is having an interface name, that represents
VoLTE (Voice over LTE) Introduction
While the UE attached to LTE network, the UE can initiate, or receive a voice or a video call. The
What is an ‘EPS Bearer’ in LTE ?
During ‘LTE attach’ procedure, the network establishes this EPS Bearer between the UE and the PGW. The PGW assigns an
