5_UMTS初级培训教材-规模估算原理及工具使用
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中兴通讯 UMTS 网规网优初级教材 规模估算原理及工具使用
中兴通讯 UMTS 网规网优部
本文中的所有信息均为中兴通讯股份有限公司内部信息，不得向外传播
PDF 文件使用 "pdfFactory Pro" 试用版本创建 内部公开▲ Nhomakorabea目
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1 前言 ..............................................................................................................................................3 2 覆盖估算 ......................................................................................................................................3 2.1 无线传播模型 ...................................................................................................................4 2.1.1 通用传播模型（Aircom 自带传播模型）............................................................5 2.1.2 Okumura-Hata 模型.................................................................................................6 2.1.3 Cost231-Hata 模型 ..................................................................................................8 2.2 链路预算参数 .................................................................................................................10 2.2.1 发射功率...............................................................................................................10 2.2.2 人体损耗...............................................................................................................10 2.2.3 天线增益...............................................................................................................11 2.2.4 馈线损耗...............................................................................................................11 2.2.5 基站噪声系数.......................................................................................................12 2.2.6 业务基站解调门限...............................................................................................13 2.2.7 接收机灵敏度.......................................................................................................14 2.2.8 干扰余量...............................................................................................................15 2.2.9 软切换增益...........................................................................................................16 2.2.10 功控余量（快衰落余量）： ...............................................................................17 2.2.11 穿透损耗.............................................................................................................17 2.2.12 阴影衰落余量.....................................................................................................17 2.3 R99 业务链路预算...........................................................................................................20 2.4 导频强度链路预算..........................................................................................................21 2.5 HSDPA 链路预算.............................................................................................................22 2.6 HSUPA 链路预算 .............................................................................................................23 2.7 特殊场景链路预算..........................................................................................................26 2.7.1 塔放 TMA 链路预算............................................................................................26 2.7.2 分布式基站 BBU+RRU 链路预算 ......................................................................28 2.7.3 TMA+BBU+RRU..................................................................................................28 2.8 覆盖规模估算 .................................................................................................................28 2.8.1 基站覆盖半径.......................................................................................................28 2.8.2 基站面积...............................................................................................................29 2.8.3 基站规模...............................................................................................................30 3 容量估算 ....................................................................................................................................30 3.1 话务模型 .........................................................................................................................30 3.1.1 R99 单独组网业务模型 ........................................................................................30 3.1.2 R99+HSPA 混合组网业务模型 ............................................................................31 3.2 R99 上行容量理论 ...........................................................................................................32 3.2.1 上行容量估算公式...............................................................................................32 3.2.2 单小区上行极限容量...........................................................................................32 3.2.3 多小区上行极限容量...........................................................................................33 3.3 R99 下行容量理论 ...........................................................................................................34 3.3.1 多小区下行极限容量...........................................................................................34 3.4 Campbell R99 混合容量估算方法 ..................................................................................36 本文中的所有信息均为中兴通讯股份有限公司内部信息，不得向外传播
中兴通讯 UMTS 网规网优初级教材 规模估算原理及工具使用
中兴通讯 UMTS 网规网优部
本文中的所有信息均为中兴通讯股份有限公司内部信息，不得向外传播
PDF 文件使用 "pdfFactory Pro" 试用版本创建 内部公开▲ Nhomakorabea目
录
1 前言 ..............................................................................................................................................3 2 覆盖估算 ......................................................................................................................................3 2.1 无线传播模型 ...................................................................................................................4 2.1.1 通用传播模型（Aircom 自带传播模型）............................................................5 2.1.2 Okumura-Hata 模型.................................................................................................6 2.1.3 Cost231-Hata 模型 ..................................................................................................8 2.2 链路预算参数 .................................................................................................................10 2.2.1 发射功率...............................................................................................................10 2.2.2 人体损耗...............................................................................................................10 2.2.3 天线增益...............................................................................................................11 2.2.4 馈线损耗...............................................................................................................11 2.2.5 基站噪声系数.......................................................................................................12 2.2.6 业务基站解调门限...............................................................................................13 2.2.7 接收机灵敏度.......................................................................................................14 2.2.8 干扰余量...............................................................................................................15 2.2.9 软切换增益...........................................................................................................16 2.2.10 功控余量（快衰落余量）： ...............................................................................17 2.2.11 穿透损耗.............................................................................................................17 2.2.12 阴影衰落余量.....................................................................................................17 2.3 R99 业务链路预算...........................................................................................................20 2.4 导频强度链路预算..........................................................................................................21 2.5 HSDPA 链路预算.............................................................................................................22 2.6 HSUPA 链路预算 .............................................................................................................23 2.7 特殊场景链路预算..........................................................................................................26 2.7.1 塔放 TMA 链路预算............................................................................................26 2.7.2 分布式基站 BBU+RRU 链路预算 ......................................................................28 2.7.3 TMA+BBU+RRU..................................................................................................28 2.8 覆盖规模估算 .................................................................................................................28 2.8.1 基站覆盖半径.......................................................................................................28 2.8.2 基站面积...............................................................................................................29 2.8.3 基站规模...............................................................................................................30 3 容量估算 ....................................................................................................................................30 3.1 话务模型 .........................................................................................................................30 3.1.1 R99 单独组网业务模型 ........................................................................................30 3.1.2 R99+HSPA 混合组网业务模型 ............................................................................31 3.2 R99 上行容量理论 ...........................................................................................................32 3.2.1 上行容量估算公式...............................................................................................32 3.2.2 单小区上行极限容量...........................................................................................32 3.2.3 多小区上行极限容量...........................................................................................33 3.3 R99 下行容量理论 ...........................................................................................................34 3.3.1 多小区下行极限容量...........................................................................................34 3.4 Campbell R99 混合容量估算方法 ..................................................................................36 本文中的所有信息均为中兴通讯股份有限公司内部信息，不得向外传播
