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  1. CSFB to GSM/UMTS and related events

  2. CSFB_strategy

  3. welcome

    welcomewelcomewelcomewelcomewelcomewelcomewelcomew elcomewelcomewelcomewelcomewelcomewelcomewelcomewe lcomewelcomewelcomewelcomewelcomewelcomewelcomewel comewelcomewelcomewelcomewelcomewelcomewelcomewelc omewelcomewelcomewelcomewelcomewelcomewelcomewelco mewelcomewelcomewelcomewelcomewelcomewelcomewelcom ewelcomewelcomewelcomewelcomewelcomewelcomewelcome welcomewelcomewelcomewelcomewelcomewelcomewelcomew elcomewelcomewelcomewelcomewelcomewelcomewelcomewe lcomewelcomewelcomewelcomewelcomewelcomewelcomewel comewelcomewelcomewelcomewelcomewelcomewelcomewelc omewelcomewelcomewelcomewelcomewelcomewelcomewelco mewelcomewelcomewelcomewelcomewelcomewelcomewelcom ewelcomewelcomewelcomewelcomewelcomewelcomewelcome welcomewelcomewelcomewelcomewelcome ...
    Categories
    WCDMA , GSM , LTE , Telecom Video
  4. LTE Security Architecture

    LTE security architecture defines the security mechanism for both NAS layer and AS layer. No HO related security is covered in this document.
    LTE Security Distribution

    NAS security
    Carried out for NAS messages and belongs to the scope of UE and MME.
    In this case NAS message communication between UE and MME are Integrity protected and Ciphered with extra NAS security header.
    AS security
    Carried out for RRC and user plane data and belongs
    ...
    Categories
    LTE
  5. LTE - Mobile call drop when recieving MIB

    HI,

    I'm just starting on some VoLTE analysis case study and I found this case where a call drop took place when receiving MIB after a RRCConectionReconfigurationComplete. However the process for RRCRestablishment afterwards went correctly.

    I should note that the radio conditions are rather bad .

    I hope to hear your thoughts.

    Thanks in advance
    Categories
    LTE
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