Directed Retry Knowledge

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  • 7/21/2019 Directed Retry Knowledge

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    Directed Retry parameters

    Directed Retryis a procedure used when there is congestion in the network in the call set-up

    phase and the mobile station (MS) is assigned to a traffic channel in a cell other than the serving

    cell.

    directed retry used (DR) - drInUse

    With this parameter you define if the directed retry feature is in use in the cell.

    Range:-0 - ot used ! - "# used

    directed retry method (DRM) - drMethod

    With this parameter you define which method is used in directed retry procedure when candidate

    cells are evaluated. $his parameter is also used to switch off directed retry methodimprovements.

    Range:-0 - %asic directed retry method used& ! - $hreshold evaluation method

    '%"irected retry threshold ("#$) - dr$hreshold'%

    With this parameter you define the threshold value of the signal strength in the adacent cell for

    the "irected #etry procedure. *f the signal strength level in the cell is lower than this threshold

    value& adacent cell is not accepted as a candidate in directed retry.

    Range:- -!!0...-+, d%m

    #ecommended value- -/ d%m

    Min time limit directed retry (MIDR) - minTimeLimitDirectedRetry

    With this parameter you define the period starting from the assignment reuest during which the

    target cell evaluation for the directed retry handover is not allowed.

    Range:-0....!+ sec

    Max time limit directed retry (MADR) - maxTimeLimitDirectedRetry

    With this parameter you define the ma1imum time period starting from the assignment reuest

    during which the target cell evaluation for the directed retry handover is allowed.

    Range:-0.....!/ sec

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    Intelligent directed retry used (IDR) - idrUsed

    With this parameter you define if the directed retry feature is in use in the cell.

    Range:-0 - *ntelligent "irected #etry is not in use& ! - *ntelligent "irected #etry is in use

    Similar $hreads

    What are the rules for directed retry2

    3SM parameters -

    "irected #etry 4ss5ail Send 6nable

    "irected retry for $78 7ongestion

    "irected #etry 9oad 4ccess $hreshold

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