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Handover (Handoff) Failure

By bhole ·
would you poease tell me the possible all causes of
Handover(Handoff) failures in GSM nework

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by Jim S. In reply to Handover (Handoff) Failur ...

Let see, there is the following
System Failure
Protocol Error
Data Missing in position
Target unreachable
Location request abort
facility not supported
Inter-BSC handover ongoing
Intra-BSC complete
Congestion
and unspecified

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by bhole In reply to Handover (Handoff) Failur ...

thank u Mr Jim for providing me with this precious
knowledge.--Shekhar

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by lila_ash In reply to Handover (Handoff) Failur ...

Handover can fail beause of not reachable base station in network domain and rss is not greater and no base station in coverage area network. not adequate bandwidth avaliable can cause failure of handoff.

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by amit_yadav808 In reply to Handover (Handoff) Failur ...

there are several reasons for handover failure
1> due to not availibility of TCH/SDCCH at new station.
2> Due to far distance between two BTS .
3> Due to TRX is not supporting.
4> Quality based handover also fails

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SACCH not circles complete should decreased power some cell

by lotto009 In reply to Handover (Handoff) Failur ...

SACCH not circles complete should decreased power some cell

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Handover (Handoff) Failure

by Global RF In reply to Handover (Handoff) Failur ...

These all are general sharing.You can find the vendor specific Documents and discussion about Handover (Handoff) Failure.
Different vendor have different counters and reasons.
Find whole complete info about Handover (Handoff) Failure.

http://www.telecomfunda.com/forum/viewtopic.php?f=33&t=174

Reasons for Handover Failure Huawei
http://www.telecomfunda.com/forum/viewtopic.php?f=53&t=6178

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