【資料名稱】：華為無線網(wǎng)絡(luò)規(guī)劃

【資料作者】：趙其勇

【資料日期】：2006

【資料語言】：中文

【資料格式】：PDF

【資料目錄和簡介】：

前言
第一章網(wǎng)絡(luò)規(guī)劃概述....................................................1-1
1.1網(wǎng)絡(luò)規(guī)劃流程...................................................1-1
1.2網(wǎng)絡(luò)預(yù)規(guī)劃.....................................................1-2
1.2.1預(yù)規(guī)劃概述................................................1-2
1.2.2預(yù)規(guī)劃依據(jù)................................................1-3
1.2.3預(yù)規(guī)劃過程................................................1-4
1.2.4預(yù)規(guī)劃難度...............................................1-11
第二章GSM空中接口...................................................2-1
2.1GSM系統(tǒng)介紹...................................................2-1
2.2無線信道結(jié)構(gòu)...................................................2-2
2.2.1時隙與幀結(jié)構(gòu)...............................................2-2
2.2.2物理信道..................................................2-4
2.2.3邏輯信道..................................................2-5
2.2.4允許的信道組合類型.........................................2-7
2.2.5邏輯信道的幀結(jié)構(gòu)...........................................2-8
2.2.6公共控制信道的使用.........................................2-8
2.2.7上下行鏈路與移動臺的定時提前.................................2-8
第三章無線傳播理論....................................................3-1
3.1無線傳播基本原理................................................3-1
3.2無線傳播環(huán)境...................................................3-3
3.2.1頻段劃分介紹...............................................3-3
3.2.2快衰落與慢衰落.............................................3-3
3.2.3傳播損耗..................................................3-6
3.3無線傳播模型...................................................3-9
3.4傳播模型校正..................................................3-13
3.4.1CW測試原理..............................................3-13
3.4.2CW測試方法..............................................3-14
3.4.3傳播模型校正及實例........................................3-15
3.5多普勒效應(yīng)及對切換的影響........................................3-16
3.6菲涅爾區(qū)......................................................3-18
3.7ASSET軟件介紹.................................................3-20
第四章天饋知識.......................................................4-1
4.1天線基本知識...................................................4-1
4.1.1天線增益..................................................4-1
4.1.2方向圖....................................................4-1
4.1.3極化......................................................4-3
4.1.4天線其他技術(shù)指標...........................................4-4
4.1.5天線的分集................................................4-6
4.1.6三扇區(qū)基站天線選取推導(dǎo)......................................4-8
4.2天線新技術(shù)....................................................4-10
4.2.1賦形波束技術(shù)..............................................4-10
4.2.2智能天線.................................................4-12
4.3天線傾角規(guī)劃..................................................4-18
4.3.1天線傾角設(shè)計..............................................4-18
4.3.2實際運用.................................................4-21
4.4 天線選擇......................................................4-23
4.4.1 目前天線使用的問題.........................................4-23
4.4.2 城區(qū)基站天線應(yīng)用原則.......................................4-23
4.4.3 郊區(qū)基站天線應(yīng)用原則.......................................4-24
4.4.4 農(nóng)村基站天線應(yīng)用原則.......................................4-24
4.4.5 公路覆蓋天線應(yīng)用原則.......................................4-25
4.5合分路單元....................................................4-28
4.5.1合分路單元原理............................................4-28
4.5.2合分路單元配置............................................4-31
4.6室外天饋系統(tǒng)..................................................4-32
4.6.1塔放.....................................................4-32
4.6.2饋線.....................................................4-33
4.7分布式天線系統(tǒng).................................................4-34
4.7.1分布式天線系統(tǒng)的組成原理...................................4-34
4.7.2分布式天線系統(tǒng)的類型.......................................4-35
4.7.3器件的關(guān)鍵技術(shù)指標........................................4-36
第五章無線網(wǎng)絡(luò)設(shè)計....................................................5-1
5.1站址設(shè)計.......................................................5-1
5.2基站工程參數(shù)設(shè)計................................................5-2
5.2.1天線安裝環(huán)境...............................................5-3
5.2.2GSM系統(tǒng)中天線隔離度.......................................5-4
5.2.3GSM、CDMA基站天線隔離度..................................5-5
5.2.4天線安裝間距...............................................5-9
5.3鏈路預(yù)算......................................................5-10
5.3.1鏈路預(yù)算模型..............................................5-11
5.3.2基站靈敏度測試點..........................................5-12
5.4覆蓋區(qū)設(shè)計....................................................5-15
5.5容量分配......................................................5-17
5.5.1話音信道配置..............................................5-17
5.5.2控制信道配置..............................................5-19
5.6位置區(qū)設(shè)計....................................................5-20
5.6.1位置區(qū)的定義..............................................5-20
5.6.2位置區(qū)劃分...............................................5-21
5.6.3位置區(qū)計算...............................................5-24
5.7室內(nèi)覆蓋系統(tǒng)設(shè)計...............................................5-27
5.7.1室內(nèi)天線系統(tǒng)設(shè)計..........................................5-27
5.7.2容量分析和設(shè)計............................................5-34
5.7.3頻率規(guī)劃.................................................5-35
5.8小區(qū)數(shù)據(jù)設(shè)計..................................................5-36
第六章頻率計劃和抗干擾技術(shù).............................................6-1
6.1頻率計劃.......................................................6-1
6.1.1頻率劃分及載干比要求........................................6-1
6.1.2頻率規(guī)劃的原則.............................................6-3
6.1.3基本頻率復(fù)用...............................................6-4
6.1.4緊密頻率復(fù)用...............................................6-5
6.2抗干擾技術(shù)....................................................6-13
6.2.1跳頻技術(shù).................................................6-13
6.2.2功率控制.................................................6-17
6.2.3不連續(xù)發(fā)射...............................................6-18
第七章參數(shù)設(shè)計.......................................................7-1
7.1系統(tǒng)消息.......................................................7-1
7.2小區(qū)選擇和小區(qū)重選..............................................7-4
7.2.1選網(wǎng)......................................................7-4
7.2.2小區(qū)選擇和重選.............................................7-4
7.2.3位置更新..................................................7-8
7.3華為切換算法..................................................7-11
7.3.1切換判決流程..............................................7-12
7.3.2測量報告預(yù)處理............................................7-12
7.3.3懲罰處理.................................................7-13
7.3.4切換排序算法..............................................7-13
7.3.5緊急切換.................................................7-15
7.3.6負荷切換.................................................7-16
7.3.7正常切換.................................................7-17
7.3.8切換后功率預(yù)測............................................7-19
7.4華為功率控制技術(shù)...............................................7-21
7.4.1測量報告預(yù)處理............................................7-22
7.4.2華為II代功控策略...........................................7-23
7.5新信道分配算法.................................................7-26
7.6雙頻網(wǎng)技術(shù)....................................................7-27
7.6.1組建雙頻網(wǎng)的必要性........................................7-27
7.6.2GSM1800的快衰落特性和覆蓋問題..............................7-27
7.6.3雙頻組網(wǎng)結(jié)構(gòu)..............................................7-28
7.6.4雙頻網(wǎng)話務(wù)引導(dǎo)和控制策略...................................7-31
7.6.5雙頻組網(wǎng)工程實施..........................................7-34
第八章話務(wù)統(tǒng)計.......................................................8-1
8.1呼叫流程簡介...................................................8-2
8.1.1TCH及早指配流程...........................................8-2
8.1.2呼叫流程（主叫）...........................................8-3
8.1.3BSC內(nèi)切換流程.............................................8-4
8.1.4BSC間切換流程.............................................8-5
8.1.5MSC間切換流程.............................................8-5
8.2話統(tǒng)關(guān)鍵指標分析................................................8-8
8.2.1TCH掉話率................................................8-8
8.2.2SDCCH掉話率..............................................8-9
8.2.3BSC內(nèi)小區(qū)間切換成功率......................................8-9
8.2.4入BSC切換成功率..........................................8-10
8.2.5出BSC切換成功率..........................................8-10
8.2.6TCH擁塞率...............................................8-11
8.2.7SDCCH擁塞率.............................................8-13
8.2.8無線接通率...............................................8-13
8.3話統(tǒng)登記說明..................................................8-13
8.3.1日常應(yīng)該登記的性能測量任務(wù).................................8-13
8.3.2用于網(wǎng)優(yōu)及定位問題的性能測量任務(wù)............................8-14
第九章網(wǎng)絡(luò)優(yōu)化.......................................................9-1
9.1網(wǎng)絡(luò)優(yōu)化流程...................................................9-1
9.2網(wǎng)絡(luò)優(yōu)化常用工具................................................9-2
9.2.1ANT路測設(shè)備...............................................9-2
9.2.2信令分析儀................................................9-3
9.2.3頻譜分析儀................................................9-3
9.2.4網(wǎng)絡(luò)優(yōu)化軟件...............................................9-3無線網(wǎng)絡(luò)問題的定位與解決.........................................9-4
9.3.1基本信息獲取...............................................9-4
9.3.2覆蓋......................................................9-5
9.3.3容量......................................................9-6
9.3.4干擾......................................................9-7
9.3.5切換......................................................9-8
9.3.6掉話......................................................9-8從網(wǎng)絡(luò)指標定位問題..............................................9-9
9.4.1TCH掉話率................................................9-9
9.4.2TCH擁塞率...............................................9-13
9.4.3SDCCH掉話率.............................................9-14
9.4.4SDCCH擁塞率.............................................9-14
9.4.5切換成功率...............................................9-15
9.4.6話務(wù)量分析...............................................9-17
第十章專題介紹......................................................10-1
10.1覆蓋問題.....................................................10-1
10.1.1設(shè)備配置................................................10-1
10.1.2基站選址................................................10-1
10.1.3天線工程設(shè)計和安裝.......................................10-3
10.1.4天饋、合路器（分路器）、CDU連接...........................10-4
10.1.5參數(shù)設(shè)置及其他...........................................10-5
10.2TCH擁塞問題..................................................10-6
10.2.1TCH擁塞率高的原因.......................................10-6
10.2.2TCH擁塞率高幾種定位方法..................................10-7
10.3語音提示問題..................................................10-9
10.3.1尋呼策略................................................10-9
10.3.2尋呼流程...............................................10-10
10.3.3用戶已出服務(wù)區(qū)現(xiàn)象的原因分析..............................10-11
10.3.4補充說明...............................................10-13
10.4信號波動問題.................................................10-14
10.4.1檢查基站發(fā)射功率的穩(wěn)定性.................................10-14
10.4.2小區(qū)重選（空閑狀態(tài)）或者切換（通話狀態(tài)）...................10-15
10.4.3功率控制、DTX..........................................10-15
10.4.4TRX載頻板故障..........................................10-17
10.4.5干擾...................................................10-17
10.4.6小區(qū)擁塞...............................................10-17
10.4.7多徑效應(yīng)...............................................10-18
10.4.8其他原因...............................................10-18
其他幾個主要問題.............................................10-19
10.5.1話音質(zhì)量差.............................................10-19
10.5.2上不了網(wǎng)...............................................10-19
10.5.3上網(wǎng)速度慢.............................................10-19
10.5.4接續(xù)速度慢.............................................10-19
10.5.5單通...................................................10-19
第十一章網(wǎng)絡(luò)規(guī)劃技術(shù)的發(fā)展............................................11-1
11.1GPRS基本原理.................................................11-1
11.1.1GPRS網(wǎng)絡(luò)結(jié)構(gòu)............................................11-1
11.1.2GPRS BSS、MS 功能介紹....................................11-2
11.1.3GPRS信令模型............................................11-4
11.1.4無線分組信道配置.........................................11-5
11.1.5分組接入方式.............................................11-7
11.1.6尋呼處理................................................11-8
11.1.7DRX（Discontinuous Reception，非連續(xù)接收）....................11-9
11.1.8無線資源分配.............................................11-9
11.1.9分組系統(tǒng)消息............................................11-10
11.1.10無線鏈路控制...........................................11-11
11.1.11信道編解碼和CS改變控制..................................11-11
11.1.12 無線鏈路監(jiān)控...........................................11-11
11.1.13射頻功率控制...........................................11-12
11.1.14小區(qū)重選控制...........................................11-13
11.1.15流量控制和服務(wù)質(zhì)量保證..................................11-13
11.1.16移動性管理和通信管理....................................11-14
11.2 GPRS網(wǎng)絡(luò)規(guī)劃................................................11-15
11.2.1 GPRS容量規(guī)劃...........................................11-15
11.2.2GPRS覆蓋規(guī)劃...........................................11-18
11.2.3GPRS頻率規(guī)劃...........................................11-21
11.2.4總結(jié)...................................................11-22
11.3WCDMA系統(tǒng)概述.............................................11-23
11.3.1UMTS系統(tǒng)網(wǎng)絡(luò)構(gòu)成.......................................11-24
11.3.2系統(tǒng)接口...............................................11-26
11.3.3擴頻通信基本原理........................................11-27
11.3.4WCDMA系統(tǒng)中的部分關(guān)鍵技術(shù)..............................11-30
11.3.5WCDMA系統(tǒng)接收機靈敏度.................................11-34
11.4WCDMA系統(tǒng)網(wǎng)絡(luò)規(guī)劃..........................................11-36
11.4.1WCDMA網(wǎng)絡(luò)規(guī)劃內(nèi)容.....................................11-36
11.4.2WCDMA無線容量計算.....................................11-39
11.4.3WCDMA 業(yè)務(wù)描述及計算...................................11-48