Learn 2G - GSM
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  • Intro
  • Standards
    • Timeline
    • PCM30
    • PCM24
  • Architecture
    • ✅GSM Radio Stack
      • Layer 1 - Radio
      • Layer 2 - LAP-Dm
      • Layer 3 − GSM signalling
    • MS - Mobile Station
      • ME - Mobile Equipment
        • Baseband
      • SIM Card - Subscriber Identity Module
    • BSS - Base Station Subsystem
      • 🟢BTS - Base Transceiver Station
      • ✅BSC - Base Station Controller
    • NSS - Network Switching Subsystem
      • MSC - Mobile Switching Center
      • HLR - Home Location Register
      • VLR - Visitor Location Register
      • AuC - Authentication Center
      • EIR - Equipment Identity Register
      • VMS - Voice Mail Subsystem
      • IWF - Interworking Function
    • OSS - Operation Support Subsystem
      • OMC - Operation and Maintence Center
      • NMC - Network Managment Center
    • ABC - Administration & Billing Center
  • GSM Channels
    • Intro
    • Traffic Channels
      • TCH/F
      • TCH/H
    • Signalling Channels
      • Broadcast Channels
        • FCCH - Frequency Correction Channel
        • ✅SCH - Synchronization Channel
        • ✅BCCH - Broadcast Control Channel
        • ✅CBCH - Cell Broadcast Channel
      • Common Control Channels
        • Point-to-Multipoint Channels
          • PCH - Paging Channel
          • RACH - Random Access Channel
          • AGCH - Access Grant Channel
      • Dedicated Channels
        • ✅Point-To-Point Signalling
          • ✅SDCCH - Stand-alone Dedicated Control Channel
          • ✅SACCH - Slow Associated Control Channel
          • ✅FACCH - Fast Associated Control Channel
  • GSM Interfaces
    • ✅A interface
    • ✅A-ter interface
    • ✅A-bis interface
    • ✅Um interface
  • PLMN - Public Land Mobile Network
    • Cell Id
    • LAI - Location Area Identification
    • ARFCNs
  • System Information Messages
    • ✅System information-1(SI1)
    • ✅System information-2(SI2)
    • System information-2bis(SI-2bis)
    • System information-2ter(SI-2ter)
    • System information-2 Quarter (SI-2Quater)
    • ✅System information-3 (SI3)
    • System information-4 (SI4)
    • System information-5 (SI5)
    • System information-6 (SI6)
    • System information-7 (SI7)
    • System information-8 (SI8)
    • System information-9 (SI9)
    • System information-13 (SI13)
  • Docs
    • Page 2
  • Paging Requests
    • Paging request type 1
    • Paging request type 2
  • Messages for Mobility Management
    • Intro
    • ✅Registration messages
      • IMSI DETACH INDICATION
      • LOCATION UPDATING ACCEPT
      • LOCATION UPDATING REJECT
      • LOCATION UPDATING REQUEST
    • Security messages
    • Connection management messages
    • Miscellaneous message
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  1. GSM Channels
  2. Signalling Channels
  3. Common Control Channels
  4. Point-to-Multipoint Channels

PCH - Paging Channel

Downlink - Used from BTS to MS when the subscriber is called.

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Last updated 3 years ago

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