Internal WCDMA GUV 1 0 HUAWEI TECHNOLOGIES CO

Internal WCDMA 无线网络覆盖规划 G转U转型培训系列V 1. 0 HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved www. huawei. com

第 1章 WCDMA网络规划流程 1. 1 无线网络规划概述 1. 2 华为无线网规理念 1. 3 无线网络规划流程 HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 3

第 1章 WCDMA网络规划流程 1. 1 无线网络规划概述 1. 2 无线网络规划流程 HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 8

无线网络规划流程概述 l 各流程之间的关系 HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 11

思考题 l 无线网络规划主要有哪几个过程？ HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 12

本章小结 l 本章主要讲述了无线网络规划的范畴 l 无线网规的主要流程 HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 13

链路预算原理 – 上行 Slow fading margin HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 17

WCDMA 上行链路预算要素 1. Max Power of TCH 11. UL Cell Loading 2. Body Loss 12. Interference Margin 3. Gain of UE Tx Antenna 13. Background Noise Level 4. EIRP 14. Margin for Background Noise 5. Gain of BS Rx Antenna 15. Fast Fading Margin 6. Cable Loss 16. Std. dev. of Slow Fading 7. Penetration Loss 17. Edge coverage Probability 8. Noise Figure (BS) 18. Slow Fading Margin 9. Ebvs. No Required (BS) 19. SHO Gain over Fast Fading 10. Sensitivity of BS 20. SHO Gain over Slow Fading Receiver 8、9、10、11、12、19、20为GSM和WCDMA有差别项 HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 19

WCDMA 上行链路预算要素 5. 基站接收天线增益 Gain of BS Rx Antenna (d. Bi) ……设备参数 Kathrein 741794 Kathrein 741790 Frequency range 1710~2170 MHz (dual band for DCS and UMTS) Polarization +45 O, -45 O Gain HPBW (1920~2170 MHz) Electrical tilt Frequency range 1920~2170 MHz Polarization Vertical 16. 5 d. Bd Gain 11 d. Bi Horizontal: 63 O HPBW Vertical: 7 O Vertical: 6. 5 O Electrical tilt Fixed, 0 O Fixed, 2 O HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 23

WCDMA 上行链路预算要素 ……体制参数 8. 基站解调门限 Ebvs. No Required (d. B) [ 通过链路仿真获得，与以下因素相关： − 收分集配置 − 多径信道条件 − 承载类型 9. 基站接收灵敏度 Sensitivity of BS Receiver (d. Bm) [ Sensitivity of Receiver (d. Bm) = 基站接收机底噪 + 基站解调门限 – 处理增益 = -174 (d. Bm/Hz) + NF (d. B) + 10 lg(3. 84 MHz/1 Hz) + Ebvs. No required (d. B) - 10 lg[3. 84 MHz/Rb(k. Hz)] = -174 (d. Bm/Hz) + NF (d. B) + 10 lg[1000 * Rb (k. Hz)] + Eb/No (d. B) HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 26

WCDMA 上行链路预算要素 11. 上行干扰余量 Uplink Interference Margin (d. B) ……CDMA体制参数 50% 负载 — 3 d. B 60% 负载 — 4 d. B 75% 负载 — 6 d. B 重点 HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 28

链路预算原理 – 下行 Slow fading margin HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 43

WCDMA 下行链路预算要素 1. Max Power of TCH 2. Cable Loss 3. Gain of BS Tx Antenna 4. EIRP 5. Gain of UE Rx Antenna 6. Body Loss 7. Noise Figure (UE) 8. Ebvs. No Required (UE) 9. Sensitivity of UE Receiver 10. DL Cell Loading 13. Margin for Background Noise 14. SHO Gain over Fast Fading 15. Fast Fading Margin 16. Penetration Loss 17. Std. dev. of Slow Fading 18. Edge coverage Probability 19. Slow Fading Margin 20. SHO Gain over Slow Fading 11. Interference Margin 12. Background Noise Level HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 45

链路预算示例 HUAWEI TECHNOLOGIES CO. , LTD. 公共参数设置 All rights reserved Page 54

链路预算示例 HUAWEI TECHNOLOGIES CO. , LTD. 发射机和接收机部分 All rights reserved Page 55

链路预算示例 全局参数和特定参数 HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 56

链路预算示例 HUAWEI TECHNOLOGIES CO. , LTD. 传播模型设定 All rights reserved Page 57

链路预算示例 HUAWEI TECHNOLOGIES CO. , LTD. 扇区参数设定 All rights reserved Page 58

链路预算示例 链路预算结果 HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 59

系统仿真流程－准备 作 公共部分，与GSM 完全相同 HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 64

系统仿真流程－网络覆盖预测 HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 65

网络预测 Predictions l Independent of Traffic l Dependent on Traffic HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 67

Pilot Coverage HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 68

Overlapping zones HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 69

Best Server HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 70

系统仿真流程 HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 71

Pilot Coverage HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 73

Ec/Io HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 74

Best Server HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 75

Downlink Eb/Nt HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 76

Uplink_load HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 77

Pilot Pollution HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 78

Handoff status HUAWEI TECHNOLOGIES CO. , LTD. All rights reserved Page 79

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