《5G無線網路最佳化實踐新時代技術新未來》是2021年清華大學出版社出版的圖書。
基本介紹
- 書名：5G無線網路最佳化實踐新時代技術新未來
- 作者：張守國,沈保華,李曙海 等
- 出版社：清華大學出版社
- 出版時間：2021年5月1日
- 頁數：354 頁
- 開本：16 開
- 裝幀：平裝
- ISBN：9787302570196
內容簡介,圖書目錄,作者簡介,
內容簡介
《5G無線網路最佳化實踐（新時代·技術新未來）》對日常5G無線網路維護和最佳化過程涉及的知識點進行梳理和系統介紹，側重介紹NR空口和信令流程，以及訊息內容解析。該書內容涵蓋5G理論基礎、網路架構、協定棧、空口信道、信令流程等。通過學習該書，讀者可以快速掌握5G網路的必備知識，對5G網路有一個完整、清晰的認識。該書是作者根據自身多年的行動網路最佳化學習經驗，圍繞運營商最佳化維護人員的需求編寫而成的。
《5G無線網路最佳化實踐（新時代·技術新未來）》既可作為5G最佳化維護人員的工作指導用書，又可作為相關人員參加無線網路協優認證考試的參考用書。
圖書目錄
目錄
第1章 網路概述
1.1 網路架構 ··········································6
1.1.1 接入網 ·············································7
1.1.2 核心網 ·············································9
1.2 頻譜劃分 ·········································14
1.2.1 頻段定義 ·······································14
1.2.2 頻率柵格 ·······································17
1.2.3 同步柵格 ·······································19
1.2.4 BWP概念 ······································23
1.2.5 國內5G頻率分配 ·························26
1.3 無線幀結構 ·····································27
1.3.1 基本時間單位 ································27
1.3.2 無線幀結構 ···································28
1.4 協定棧 ·············································33
1.4.1 控制面 ···········································34
1.4.2 用戶面 ···········································40
1.5 組網方式 ·········································43
第2章 物理信道
2.1 物理廣播信道 ··································51
2.1.1 PBCH位置 ····································51
2.1.2 PBCH內容解析 ····························55
2.2 物理隨機接入信道 ··························57
2.3 物理上行控制信道 ··························60
2.4 物理下行控制信道 ··························63
2.4.1 PDCCH位置定義 ··························63
2.4.2 PDCCH功能分類 ··························70
2.5 物理下行共享信道 ··························72
2.6 物理上行共享信道 ··························74
2.7 物理共享信道分配 ··························75
2.8 物理信號 ·········································77
2.8.1 解調用參考信號 ····························80
2.8.2 探測用參考信號 ····························86
2.8.3 信道狀態參考信號 ························88
2.8.4 SRS天選 ·······································91
2.9 天線連線埠 ·········································92
2.10 波束管理 ·······································95
IV
第3章 信令流程分析
3.1 隨機接入 ·······································102
3.1.1 競爭模式 ·····································103
3.1.2 非競爭模式 ·································106
3.1.3 RRC連線建立 ·····························107
3.1.4 RRC連線重建 ·····························109
3.1.5 時間提前量 ·································112
3.2 NG連線建立 ·································113
3.3 RRC重配置 ··································119
3.4 服務質量控制 ································123
3.4.1 QoS參數 ·····································124
3.4.2 QoS映射 ·····································127
3.5 開機入網流程 ································129
3.5.1 小區搜尋 ·····································129
3.5.2 小區選擇 ·····································132
3.5.3 小區重選 ·····································135
3.5.4 註冊登記 ·····································138
3.6 鑒權過程和安全過程 ····················145
3.6.1 鑒權過程 ·····································145
3.6.2 安全過程 ·····································148
3.7 PDU會話過程 ·······························151
3.7.1 PDU會話建立流程 ·····················153
3.7.2 PDU會話資源分配 ·····················159
3.8 業務建立流程 ································161
3.8.1 主叫流程 ·····································161
3.8.2 被叫流程 ·····································170
3.8.3 EPS fallback流程 ························174
3.9 切換流程 ·······································179
3.9.1 測量事件的類型 ··························181
3.9.2 切換信令流程 ······························182
3.10 NSA業務流程 ·····························188
3.10.1 輔站SgNB添加過程 ·················192
3.10.2 主站MeNB變更過程 ················200
3.10.3 輔站SgNB變更過程 ·················201
3.10.4 輔站SgNB調整過程 ·················204
3.11 空口主要訊息 ······························205
3.11.1 SIB1訊息內容解析 ···················208
3.11.2 SIB2訊息內容解析 ···················213
3.11.3 SIB3訊息內容解析 ···················215
3.11.4 SIB4訊息內容解析 ···················215
3.11.5 SIB5訊息內容解析 ···················217
第4章 參數定義
4.1 NCGI ·············································220
4.2 PCI ················································220
4.3 SUPI ··············································221
4.4 5G-GUTI ·······································224
4.5 5G-S-TMSI ····································225
4.6 RNTI ·············································225
4.7 5GS TAI ········································227
4.8 S-NSSAI ········································228
4.9 PRACH ·········································229
4.10 RSRP和RSRQ ···························237
4.11 APN和DNN ·······························239
V
第5章 關鍵技術
5.1 mMIMO ········································242
5.2 高階調製（256QAM） ·················245
5.3 自適應調製編碼 ····························247
5.4 新型多載波技術 ····························249
5.5 移動邊緣計算 ································251
5.6 網路切片 ·······································253
5.7 上下行解耦 ···································258
5.8 服務化架構 ···································262
5.9 信道編碼（Polar碼和LDPC） ·····263
5.10 CU-DU分離 ································263
5.11 CU雲化部署 ·······························264
5.12 D2D ·············································265
5.13 NOMA ·········································266
第6章 無線網路最佳化
6.1 最佳化概述 ·······································269
6.2 指標和定義 ···································270
6.3 覆蓋最佳化 ·······································273
6.4 接入性能最佳化 ································275
6.5 掉線率最佳化 ···································281
6.6 切換性能最佳化 ································283
6.7 吞吐率最佳化 ···································286
6.8 捷運隧道最佳化 ································291
附錄A 鏈路預算 ·················································································297
附錄B 信令流程圖 ·············································································300
附錄C 部分NSA訊息 ········································································303
附錄D NR規範描述 ···········································································343
附錄E 常用術語 ·················································································346
參考文獻 ······························································································355
作者簡介
張守國，正高級工程師，現任職於華信諮詢設計研究院有限公司，長期從事無線網路最佳化工作，發表《大型場館容量設計思考》《干擾矩陣中的鄰區補償技術探討》等多篇論文，出版《LTE無線網路最佳化實踐》《4G無線網路原理及最佳化》兩本著作。
沈保華，高級工程師，省級運營商無線網優中心最佳化主管，運營商集團高級專家，長期從事無線網路規劃最佳化工作，擁有豐富的移動通信領域從業經驗和2G/3G/4G/5G實戰經驗，曾獲全國移動通信5G技術職業技能競賽二等獎，發表論文多篇，出版著作一本。
李曙海，高級工程師，省級運營商無線網優中心副總經理，運營商集團B級人才，長期負責無線網路規劃最佳化工作，擁有豐富的移動通信領域從業經驗和2G/3G/4G/5G實戰經驗，主持過2G/3G/4G/5G的多項規劃最佳化創新研究課題，發表論文十餘篇，出版著作一本。
凌文杰，高級工程師，現任職於華信諮詢設計研究院有限公司，長期從事移動通信規劃設計、無線通信及頻譜技術研究，曾主持省部級重大科研項目兩項，發表論文十餘篇。
雷志純，高級工程師，現任職於華信諮詢設計研究院有限公司，主要從事無線網路最佳化和設計工作。
