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(普通問題)
求高人解答關(guān)于諾西切換原因的問題
諾西話統(tǒng)關(guān)于觸發(fā)切換的原因里有這個(gè)counter： CAUSE_MSC_INVOC 具體什么意思 有誰(shuí)知道。一般小區(qū)這項(xiàng)統(tǒng)計(jì)的數(shù)據(jù)都為0，但有的小區(qū)統(tǒng)計(jì)有好幾百次，比PBGT原因觸發(fā)的切換都多。
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• 切換技術(shù)的優(yōu)缺點(diǎn)？ 2019-11-13
• 系統(tǒng)內(nèi)切換全網(wǎng)突然下降是什么原因 2020-06-03
• 低優(yōu)先級(jí)向高優(yōu)先級(jí)切換 2020-05-28
• 4GLTEL，小區(qū)切換信令數(shù)據(jù)分析，手機(jī)切換問題 2020-05-07
• LTE中興網(wǎng)管中的基于覆蓋的異頻切換測(cè)量配置號(hào)是怎么看呢 2020-04-14
• LTE同頻切換判決中是否計(jì)算本小區(qū)頻點(diǎn)對(duì)應(yīng)的頻率偏置qoffset? 2020-03-10
• TAU流程都與哪些流程沖突?例：切換、接通（CSFBVOLTE）、注冊(cè)等 2019-12-19
• 切換技術(shù)的優(yōu)缺點(diǎn)？ 2019-11-13
問題答案
( 1 )
查了一些資料供參考：
004028 / CAUSE RESPONSE TO MSC INVOCATION
對(duì)于MSC激活的響應(yīng)
Counter ID: 004028 Network element name: CAUSE RESPONSE TO MSC
INVOCATION
NetAct name: CAUSE_MSC_INVOC
Description: Number of HO attempts due to a response to an invocation from the MSC
(outgoing).
Updated: When a HO is started due to a response to an MSC invocation.
See figures:
- Successful internal inter-cell TCH to TCH handover
- Successful external TCH to TCH handover, source BSC
- Successful internal inter-cell SDCCH to SDCCH handover
- Successful external SDCCH to SDCCH handover, source BSC
此類切換是BSC響應(yīng)MSC發(fā)起的切換要求所發(fā)生的切換：
Traffic Reason Handover (TRHO)話務(wù)原因的切換是基于以下3個(gè)內(nèi)容：
1、radio frequency resource indications of idle channel interferences，BTS發(fā)給BSC的空閑信道干擾電平統(tǒng)計(jì)；
2、resource indications，BSC發(fā)給MSC的資源指示；
3、radio interface measurements，手機(jī)、BTS上報(bào)給BSC的測(cè)量報(bào)告；
Traffic Reason Handover 是MSC要求BSC在特定小區(qū)下選擇一定數(shù)量的手機(jī)切換至其他小區(qū)的功能：
This procedure is used by the MSC for asking the BSC to determine a given number of
mobile stations (MS) for handover from one specified cell to other specified cells. The
possible handovers are controlled by the MSC. The reason for a handover can be, for
example, an excessive load in the cell.
The MSC uses this procedure to request handovers from the BSS to a given number of
MSS from one cell to other specified cells. The MSC controls the possible handovers
and the reason for a handover may be excessive load in a cell.
該過程由MSC發(fā)起：
MSC發(fā)給BSC：handover_candidate_enquiry
BSC響應(yīng)MSC的消息：handover_required、handover_required、。。。、handover_required、handover_candidate_response
HANDOVER CANDIDATE ENQUIRY消息包括要求的切換數(shù)量、源小區(qū)、目標(biāo)小區(qū)：
The procedure starts with the HANDOVER CANDIDATE ENQUIRY message in which the
MSC informs the BSC of the number of handovers wanted. The MSC also informs the
BSC of the cell from which the MSS are to be transferred (source cell) and the cells into
which the MSS are to be handed over (target cells). The maximum number of adjacent
cells in the HANDOVER CANDIDATE ENQUIRY message in the BSC is 32.
BSC發(fā)送HANDOVER REQUIRED ，所有的HANDOVER REQUIRED發(fā)完后，發(fā)送HANDOVER CANDIDATE RESPONSE 消息通知MSC有多少個(gè)HANDOVER REQUIRED消息：
The BSC sends one HANDOVER REQUIRED message per an MS candidate to the MSC
using an appropriate signalling connection control part (SCCP) connection. The
message includes a list of candidate cells and the reason for the handover (response to
MSC invocation). The reason for the handover makes the HANDOVER REQUIRED
message different from the normal HANDOVER REQUIRED message. The BSC that has
received the HANDOVER CANDIDATE ENQUIRY message acts as the source BSC in the
possible MSC controlled external handover(s).
When the BSC has sent all HANDOVER REQUIRED messages generated by the enquiry,
it sends the HANDOVER CANDIDATE RESPONSE message to the MSC as an answer to
the MSC's HANDOVER CANDIDATE ENQUIRY message. In the HANDOVER CANDIDATE
RESPONSE message the BSC informs the MSC of the number of HANDOVER REQUIRED
messages that have been sent.
CAUSE RESPONSE TO MSC INVOCATION切換是由MSC發(fā)起的切換，MSC發(fā)起該切換要求的原因是該小區(qū)負(fù)荷過高。
沒有找到MSC為什么要發(fā)起此類切換要求，有高手知道請(qǐng)補(bǔ)充，你看看有此類切換原因統(tǒng)計(jì)的小區(qū)是否話務(wù)量比較高吧
004028 / CAUSE RESPONSE TO MSC INVOCATION
對(duì)于MSC激活的響應(yīng)
Counter ID: 004028 Network element name: CAUSE RESPONSE TO MSC
INVOCATION
NetAct name: CAUSE_MSC_INVOC
Description: Number of HO attempts due to a response to an invocation from the MSC
(outgoing).
Updated: When a HO is started due to a response to an MSC invocation.
See figures:
- Successful internal inter-cell TCH to TCH handover
- Successful external TCH to TCH handover, source BSC
- Successful internal inter-cell SDCCH to SDCCH handover
- Successful external SDCCH to SDCCH handover, source BSC
此類切換是BSC響應(yīng)MSC發(fā)起的切換要求所發(fā)生的切換：
Traffic Reason Handover (TRHO)話務(wù)原因的切換是基于以下3個(gè)內(nèi)容：
1、radio frequency resource indications of idle channel interferences，BTS發(fā)給BSC的空閑信道干擾電平統(tǒng)計(jì)；
2、resource indications，BSC發(fā)給MSC的資源指示；
3、radio interface measurements，手機(jī)、BTS上報(bào)給BSC的測(cè)量報(bào)告；
Traffic Reason Handover 是MSC要求BSC在特定小區(qū)下選擇一定數(shù)量的手機(jī)切換至其他小區(qū)的功能：
This procedure is used by the MSC for asking the BSC to determine a given number of
mobile stations (MS) for handover from one specified cell to other specified cells. The
possible handovers are controlled by the MSC. The reason for a handover can be, for
example, an excessive load in the cell.
The MSC uses this procedure to request handovers from the BSS to a given number of
MSS from one cell to other specified cells. The MSC controls the possible handovers
and the reason for a handover may be excessive load in a cell.
該過程由MSC發(fā)起：
MSC發(fā)給BSC：handover_candidate_enquiry
BSC響應(yīng)MSC的消息：handover_required、handover_required、。。。、handover_required、handover_candidate_response
HANDOVER CANDIDATE ENQUIRY消息包括要求的切換數(shù)量、源小區(qū)、目標(biāo)小區(qū)：
The procedure starts with the HANDOVER CANDIDATE ENQUIRY message in which the
MSC informs the BSC of the number of handovers wanted. The MSC also informs the
BSC of the cell from which the MSS are to be transferred (source cell) and the cells into
which the MSS are to be handed over (target cells). The maximum number of adjacent
cells in the HANDOVER CANDIDATE ENQUIRY message in the BSC is 32.
BSC發(fā)送HANDOVER REQUIRED ，所有的HANDOVER REQUIRED發(fā)完后，發(fā)送HANDOVER CANDIDATE RESPONSE 消息通知MSC有多少個(gè)HANDOVER REQUIRED消息：
The BSC sends one HANDOVER REQUIRED message per an MS candidate to the MSC
using an appropriate signalling connection control part (SCCP) connection. The
message includes a list of candidate cells and the reason for the handover (response to
MSC invocation). The reason for the handover makes the HANDOVER REQUIRED
message different from the normal HANDOVER REQUIRED message. The BSC that has
received the HANDOVER CANDIDATE ENQUIRY message acts as the source BSC in the
possible MSC controlled external handover(s).
When the BSC has sent all HANDOVER REQUIRED messages generated by the enquiry,
it sends the HANDOVER CANDIDATE RESPONSE message to the MSC as an answer to
the MSC's HANDOVER CANDIDATE ENQUIRY message. In the HANDOVER CANDIDATE
RESPONSE message the BSC informs the MSC of the number of HANDOVER REQUIRED
messages that have been sent.
CAUSE RESPONSE TO MSC INVOCATION切換是由MSC發(fā)起的切換，MSC發(fā)起該切換要求的原因是該小區(qū)負(fù)荷過高。
沒有找到MSC為什么要發(fā)起此類切換要求，有高手知道請(qǐng)補(bǔ)充，你看看有此類切換原因統(tǒng)計(jì)的小區(qū)是否話務(wù)量比較高吧
回答者：
telnet8888
回答時(shí)間：2011-10-21 14:48
2
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