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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential 4a)e %

Content

T#ainin).5uawei.0o

Probable CN/2G confguration

mistake cause low CS InterRAT

HO re success rate

InterRAT Han!o"er #low

RNC Tracing $or cell wit%

#ailures

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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential

IRAT Handover Flow

4a)e 2

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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential 4a)e 3

4#o-a-le CN62G 0onfi)u#ation itae 0aue

low CS Inte#$AT HO "#e u00e #ate

CS Inte#$AT HO "#e u00e #ate of $NC2&& i lowe# t5an 7&8.

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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential 4a)e 9

Ia)e a-o1e 5ow Si)nallin) Su00e

$ANA4$ELOCATIONCO++AND f#o CN.

$NC T#a0in) fo# Cell 2%!;

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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential 4a)e !

Detail of $ANA4$ELOCATIONCO++AND f#o CN.

$NC T#a0in) fo# Cell 2%!;

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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential 4a)e >

Ia)e a-o1e 5ow Si)nallin) (ailu#e

$ANA4$ELOCATION4$E4A$ATION(AILU$E f#o CN.

$NC T#a0in) fo# Cell !%!

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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential 4a)e ;

Detail of $ANA4$ELOCATION4$E4A$ATION(AILU$E f#o

CN. Request CN engineer to check MSC data configuration for

both ! and "!#

$NC T#a0in) fo# Cell !%!