图2-6 LNADJG设置1
图2-1 LNADJG设置2
2.3.2 LNCEL部分
? LNCELL中添加LNHOG
LNHOG中的两个门限值, 需要根据实际网络情况调整大小。前期功能测试可以适当调整使得 event B2 容易触发. 如将Threshold1 GERAN for RSRP of servinig cell 调大,这样就不用移动到LTE小区的边缘才触发eSRVCC. 这个门限值和其他参数有依赖关系.在调整时,如果不合适, site manager 会给出提示。
NCC permitted 需要设置为true
图2-8 LNHOG设置1
配置2G 邻区的频点，2G的频点依据基站现有的重定向频点来配置。
图2-2 LNHOG设置2
? LNCELL中添加LNRELG
LNRELG现网已配置，不用在配置。（设置SRVCC为 allowed）
图2-3LNRELG设置1
图2-4 LNRELG设置2
表2-1 SRVCC切换参数列表
参数级别 LNBTS 参数名 Activate SRVCC to GSM Activate SRVCC to GSM ARFCN value list Cell identity Location Area Code Remark 参数缩写 actSrvccToGsm 参数意义 This parameter enables the feature SRVCC from LTE to GSM 推荐值 TRUE LNBTS actSrvccToGsm arfcnValueListGERAN This parameter enables the feature SRVCC from LTE to GSM true LNHOG Explicit List of ARFCNs Cell Identity of GERAN neighbor cell which is part of the GERAN Cell Global Identifier (CGI) of the related neighbor cell. LAC of GERAN neighbor cell which is part of the GERAN Cell Global Identifier (CGI) of the related neighbor cell. LNRELG ci LNRELG LAC
Single radio voice call continuity allowed ARFCN value Geran BasestationColour Code CI Geran LAC Geran MCC Geran MNC Geran MNC Length Geran Network Colour Code RAC Geran LNRELG srvccAllowed The parameter controls whether SRVCC handover to the related neighbor cell is allowed LNADJG arfcnValueGeran ARFCN Value of the GERAN neighbour cell.(Part of CarrierFrequency) LNADJG basestationColourCode BaseStationColour Code of GERAN neighbour cell,(Part of PhysicalCellId) LNADJG gTargetCi Cell Identity of GERAN neighbor cell(Part of GERAN global cell ID; CGI) LNADJG gTargetLac LAC of GERAN neighbour cell LNADJG mcc Mobile Country Code included in the PLMN ID of the GERAN neighbour cell Mobile Network Code included in the PLMN ID of the GERAN neighbour cell Length of Mobile Network Code included in the PLMN ID of the GERAN neighbour cell Network Colour Code of GERAN neighbour cell (Part of PhysicalCellId) Routing Areas Code (RAC) of GERAN neighbor cell. LNADJG Mnc LNADJG mncLength LNADJG networkColourCode LNADJG gTargetRac
2.4 ROHC参数
表2-2 ROHC
参数级别 参数名 Activate PDCP robust header compression Remark 参数缩写 参数意义 推荐值 LNBTS This parameter activates the usage actPdcpRohc of PDCP Robust Header Compression. true
3 关闭基站的Volte功能相对应的参数修改
3.1 VoLTE无线参数设置指导VoLTE Call
o 基站要关闭VoLTE Call，只需要关闭actConvVoice这个参数即可。
图3-5actConvVoice设置
表3-3VoLTE Call参数列表
参数级别 参数名 Remark 参数缩写 参数意义 推荐值 LNBTS Activate support of conversational voice bearer This parameter activates the support of the conversational voice bearer. The actConvVoice change becomes active for a cell after FALSE the next cell locking/cell unlocking sequence. 3.2 VoLTE Call
o 基站要关闭VoLTE Call，只需要在LNBTS中关闭开actEnhAcAndGbrServices、actmultGbrbearers
和actMultBearers这三个参数即可（即从”ture“改成”false”）。
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