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High WCDMA drop

  • This topic has 2 replies, 1 voice, and was last updated 11 years ago by varun sharma.
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  • #59266 Reply

    We have a high WCDMA cs drop, on some cells that have a high level of uplink interference. Hardware is ok, what could be a problem?

    #59267 Reply

    check the RTWP, if higher than -95dBm, investigate for external interferences!

    #59268 Reply
    varun sharma

    Hi Erick,
    There are many reason for WCDMA cs drop:
    1.Due to weak coverage
    2.Due to interference.
    3.Due to intigrity check
    4.During ciphering procedure
    5.Problem with Iu and Iur interface in network

    ( RRC and RAB cs voice drop)

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