GPRS UMTS in the Core Network
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GPRS UMTS in the Core Network

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oleh M Irwan Harahap

oleh M Irwan Harahap

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    GPRS UMTS in the Core Network GPRS UMTS in the Core Network Presentation Transcript

    • GPRS/UMTS in the Core Network Free IT Saturday Lesson – Comlabs USDI ITB April 23 rd 2011 Prepared By : Mochamad Irwan Harahap Sr. Engineer – Telco Implementation VAS, PT XL Axiata
    • Topic Covered
      • GPRS System Overview
      • Mobility Management
      • Session Management
      • QoS
      • Roaming
      • Implementation in the Core Network
    • Why Data Services ? Technology Roadmap & Trends
    • Why Data Services ? change the way of communication & expressing yourself
    • Network Architecture
    • PS Core Function Overview - SGSN
      • Mobility Management (MM)
      • Session Management (SM)
      • Payload Handling
      • Charging
      • QoS
      • Security
    • SGSN Hardware Example of SGSN Hardware Huawei & Ericsson SGSN
    • SGSN Hardware – E1/T1 Board Example of SGSN Board
    • PS Core Function Overview - GGSN
      • Session Management (SM)
      • Payload Handling
      • Charging
      • QoS
      • Security
      • RADIUS Support
    • GGSN Hardware Example of GGSN Hardware – Ericsson GGSN
    • APN
      • Access Point Name (APN) is a part of GPRS subscription data which is stored in Home Location Register (HLR) and which is transferred to the SGSN upon the activation of a GMM-Context.
      • APN has to be defined in GGSN too.
      • APN is split into two parts :
        • Network Identifier :
          • Mandatory
          • Example : www.xlgprs.net
        • Operator Identifier :
          • Optional, except for inter-PLMN roaming
          • Example : mnc011.mcc510.gprs
        • Max APN Length : 100 octets.
        • Max Network Identifier Length : 63 octets
        • Max Operator Identifier : 100 – Network Identifier Length
      • There are wildcard APN (*) on HLR. Which can allow user to not request a specific APN to do PDP Context Activation
    • How to access the Internet ? 1. MS has to be attached to network
    • How to access the Internet ? Attach request
    • How to access the Internet ? 2. MS has to have the IP address 3. MS access the web page
    • QoS
      • The GPRS QoS functions, based on Release 99 QoS, including the following:
      • Guaranteed Bit Rate (GBR) admission control
      • Packet Flow Control (PFC)
      • Overload Protection (OLP)
      • Maximum Bit Rate (MBR) policing
      • 3GPP-to-Internet Protocol (IP) QoS mapping rules
      • Queueing, scheduling, and flow control (GSM)
      • Sample of Optional QoS
      • High Speed Downlink Packet Access Support (HSDPA Support)
    • QoS UMTS QoS R99 based on 3GPP TS 23.107
    • QoS Subscribed APN QoS send by HLR on MAP insertSubscriberData message
    • QoS Subscribed APN QoS in HLR
    • Thank You