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cell individual offset

This topic contains 6 replies, has 0 voices, and was last updated by  Murali Anand 4 months, 2 weeks ago.

Viewing 7 posts - 1 through 7 (of 7 total)
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  • #69004 Reply

    ahmad

    hi all

    please any one can advice me about the CIO parameter setting , why the default value is 0 , and when I need to change it .

    I know that it affect the drop rate , but I need to know under which conditions it will ?

    thanks

    #69005 Reply

    Onigece

    Im not also familiar with this parameter, but as someone hinted to me, CIO is a 3G handover parameter. The higher the CIO,the earlier it will handover to neighbor cell, therefore the lesser the chance of call drop because of handover failure. Im not even 1% sure if my argument is correct. Comments pls.

    #69006 Reply

    pix

    Hi,

    Definition (copied from doc)
    The offset is added to the measured quantity before the UE evaluates whether an event has occurred. Improper use of non-default values may result in instability and unequal cell borders.

    By applying a positive offset, the UE sends a MEASUREMENT REPORT message back to the SRNC as if the measured value is offset higher than reality. By applying a negative offset, the UE considers the measured value to be offset lower than reality at event evaluation.

    Range:
    -10 dB (late detection) –> 10 dB (early detection)

    Default:
    0 dB

    Resolution:
    0.5 dB

    Scope
    Cell

    #69007 Reply

    Sachin Dubey

    Hi, I want to understand, what are the conditions other than Cell Unavailability, for a Cell, that triggers the counter to peg under Category of Drop due to Unmonitored Neighbors.In simple understanding, can anyone share the reasons of drop due to unmonitored neighbors.

    Thanks

    Sachin

    #69008 Reply

    VICTOR ALBERTO PEREZ

    Hi, you can change de CIO (Cell Individual Offset) when you want perform HO easier, while greater CIO value is easier the HandOver to target Cell.

    #69009 Reply

    Alaa

    why I need to add an offset value ?
    what is the important of this value ?

    #69010 Reply

    Murali Anand

    Why CIO is not required for inter rat handover?

Viewing 7 posts - 1 through 7 (of 7 total)
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