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RACH min and RX level access min

Viewing 7 posts - 1 through 7 (of 7 total)
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  • #52511 Reply
    BSS
    Guest

    dear
    I have question about RX level Access min and RACH Access min which one has bigger effect to reduce SDCCH drop

    #52512 Reply
    peyo
    Guest

    Hi BSS,

    Sorry for not being usefull on that case but what are you’re minimum level for both parameters?

    #52513 Reply
    BSS
    Guest

    peyo
    dear RACH min access level is -105 and RX level Access min is -100

    #52514 Reply
    andri
    Guest

    basically, both can reduce SDCCH Drop. Higher value will get better SDCCH drop. Based on my experience, RACH Threshold should be less than Rx LevAmi…

    #52515 Reply
    pix
    Guest

    RACH threshold is the minimum rxlev below which a RACH burst is not decoded

    RXLEV Access Min is the minimum rxlev below which a RACH burst is decoded and contains a Request for a Call (Normal or Emergency), but is rejected.

    Increasing the RLAM is usually enough to increase the SDCCH success… fyi, in alcatel, the RACH Threshold is not changeable.

    #52516 Reply
    andri
    Guest

    yeah, that’s why we cant set RACH Threshold > Rx Level Minimum.

    #52517 Reply
    ilyasse
    Guest

    Hi!
    what can i do about this parameters for to reduce SDCCH congestion rate:
    Random access error threshold
    RACCH access threshold

    THANKS

Viewing 7 posts - 1 through 7 (of 7 total)
Reply To: RACH min and RX level access min
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