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RRC access, failures

HSDPA failures due to radiolink

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originated reason. Covers both interactive, background and streaming traffic classes HSDPA releases due to mobility. From

user viewoint this is also failure. Covers both interactive,background and streaming traffic

classes

!he number of "#DCH setu failures due to admission control for interactive class connections.

Scramb

ling code is used to make differntiation for cells and Channalization code is used to make differentiation of

service between MS in the same physical channel.

1. Usage

Channelization

Uplink: Separation of physical data control channels from same terminal

!ownlink: Separation of downlink

Scrambling

Uplink: Separation of terminal

!ownlink: Separation of sectors "Cells#

$. %umber of codes

HSDPA releases due to mobility. From user viewoint this is also failure. Covers both interactive,background and streaming

traffic classes

Channelization

number of codes under one scrambling code & Spreading factorSF = chip rate / symbol rate

High data rates ? low SF code

Low data rates ? high SF code

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