Telecommunications Science ›› 2021, Vol. 37 ›› Issue (3): 162-170.doi: 10.11959/j.issn.1000-0801.2021045
• Engineering and Application • Previous Articles
Songbai LIANG, Yingwu GUO, Xinwei LI
Revised:
2021-02-13
Online:
2021-03-20
Published:
2021-03-01
CLC Number:
Songbai LIANG, Yingwu GUO, Xinwei LI. Network quality and user perception improvement of high-speed rail scene[J]. Telecommunications Science, 2021, 37(3): 162-170.
"
CQI | 调制技术 | 编码率×1024 | 效率 |
0 | out of range | ||
1 | QPSK | 78 | 0.1523 |
2 | QPSK | 120 | 0.2344 |
3 | QPSK | 193 | 0.3770 |
4 | QPSK | 308 | 0.6016 |
5 | QPSK | 449 | 0.8770 |
6 | QPSK | 602 | 1.1758 |
7 | 16QAM | 378 | 1.4766 |
8 | 16QAM | 490 | 1.9141 |
9 | 16QAM | 616 | 2.4063 |
10 | 64QAM | 466 | 2.7305 |
11 | 64QAM | 567 | 3.3223 |
12 | 64QAM | 666 | 3.9023 |
13 | 64QAM | 772 | 4.5234 |
14 | 64QAM | 873 | 5.1152 |
15 | 64QAM | 948 | 5.5547 |
"
分类 | 可优化参数 | 分类 | 可优化参数 |
重选参 | 频内小区重选判决定时器时长/s | 接入定时器 | T300/UE等待RRC连接响应的定时器长度(T300)/ms |
数优化 | 服务小区重选迟滞/dB | T302/UE等待RRC连接重试请求的定时器(T302)/s | |
切换参 | 测量时的RSRP层3滤波系数 | 保持定时器 | N310/UE接收下行失步指示的最大个数(N310_UE)/个 |
数优化 | A3事件偏移 | T310/UE监测无线链路失败的定时器(T310_UE)/ms | |
事件发生到上报的时间差 | 重建定时器 | T311/UE监测无线链路失败转入空闲状态的定时器(T311_UE)/ms | |
邻区配 | 邻区层数:配置3层,不超过5层 | T301/UE等待RRC重建响应的定时器长度(T301)/ms | |
置优化 | 邻区CIO | 切换定时器 | T304/UE等待切换成功的定时器(T304)/ms |
邻区Qoffset |
[1] | 李建蕊 . 提升高铁 LTE 网络质量的研究[J]. 信息技术与信息化, 2018,43(10): 144-146. |
LI J R . Research on improving the quality of high-speed rail LTE network[J]. Information Technology and Informatization, 2018,43(10): 144-146. | |
[2] | 梁松柏, 李文生, 魏宁 ,等. 高铁WCDMA双载波专网实现及策略部署研究[J]. 电信科学, 2014,30(4): 162-166,172. |
LIANG S B , LI W S , WEI N ,et al. Research on implementation and strategy deployment of high-speed railway WCDMA dual carrier private network[J]. Telecommunications Science, 2014,30(4): 162-166,172. | |
[3] | 梁松柏, 魏宁, 韩广平 . 利用后台实时跟踪及多载波解决全覆盖高铁网络质量[J]. 中兴通讯技术, 2014,20(3): 44-47. |
LIANG S B , WEI N , HAN G P . Using backstage real-time tracking and multicarrier to solving full coverage high-speed railway network quality[J]. ZTE Communications, 2014,20(3): 44-47. | |
[4] | 李文生, 李馨春, 梁松柏 . 基于传播模型和天线方向图高铁覆盖问题研究[J]. 移动通信, 2014,38(18): 18-22. |
LI W S , LI X C , LIANG S B . Research on high-speed rail coverage based on propagation model and antenna direction pattern[J]. Mobile Communications, 2014,38(18): 18-22. | |
[5] | 王有为 . WCDMA 特殊场景覆盖规划与优化[M]. 北京: 人民邮电出版社, 2011. |
WANG Y W . Coverage planning and optimization of WCDMA special scenes[M]. Beijing: Posts and Telecom Press, 2011. | |
[6] | 谢益溪 . 无线电波传播原理与应用[M]. 北京: 人民邮电出版社, 2008. |
XIE Y X . Radio wave propagation principle and application[M]. Beijing: Posts and Telecom Press, 2008. | |
[7] | 郭军伟 . 高速移动列车无线组网方案[J]. 中兴通讯技术, 2010,16(2): 53-55. |
GUO J W . Wireless networking scheme for high-speed mobile train[J]. ZTE Communications, 2010,16(2): 53-55. | |
[8] | 梁松柏 . 天线最佳方向角的定位方法及装置:CN106993299[P]. 2017-07-28. |
LIANG S B . Positioning method and device for optimal direction angle of antenna:CN106993299[P]. 2017-07-28. | |
[9] | 梁松柏, 李钢, 郑宇红 ,等. 小区优化方法、装置、设备和存储介质:CN110461005A[P]. 2019-11-15. |
LIANG S B , LI G , ZHENG Y H ,et al. Cell optimization methods,devices,devices and storage media:CN110461005A[P]. 2019-11-15. | |
[10] | 梁松柏, 刘亚柯, 曹治娇 ,等. 一种越区覆盖的判断方法、装置:CN110012486A[P]. 2019-07-12. |
LIANG S B , LIU Y K , CAO Z J ,et al. A judging method and device for cross-zone coverage:CN110012486A[P]. 2019-07-12. | |
[11] | 刘峰, 张国栋 . 高铁沿线 LTE FDD 网络覆盖规划研究[J]. 数字通信世界, 2015,11(8): 328-330. |
LIU F , ZHANG G D . Research on LTE FDD network coverage planning along high-speed railway[J]. Digital Communication World, 2015,11(8): 328-330. | |
[12] | 李泰, 李烨 . 高速铁路场景移动通信系统切换研究综述[J]. 通信技术, 2015,48(5): 566-572. |
LI T , LI Y . Overview of mobile communication system handover in high-speed railway scenarios[J]. Communications Technology, 2015,48(5): 566-572. | |
[13] | 方旭明, 崔亚平, 闫莉 ,等. 高速铁路移动通信系统关键技术的演进与发展[J]. 电子与信息学报, 2015,22(6): 15. |
FANG X M , CUI Y P , YAN L ,et al. Evolution and development of key technologies of high speed railway mobile communication system[J]. Journal of Electronics and Information Technology, 2015,22(6): 15. | |
[14] | 唐艳超 . LTE 高铁覆盖解决方案研究[J]. 邮电设计技术, 2014,57(12): 20-23. |
TANG Y C . Research on LTE high-speed rail coverage solution[J]. Designing Techniques of Posts and Telecommunications, 2014,57(12): 20-23. | |
[15] | 王安义, 孙伟强 . 铁路TD-LTE专网系统解决方案[J]. 铁道标准设计, 2014,58(2): 94-97,138. |
WANG A Y , SUN W Q . Solution of railway TD-LTE private network system[J]. RailwayStandard Design, 2014,58(2): 94-97,138. | |
[16] | 张荣涛 . 浅析 5G 无线网络在高铁场景中的规划与优化[J]. 数字技术与应用, 2020,38(1): 17-19. |
ZHANG R T . Analysis on the planning and optimization of 5G wireless network in high-speed railway scenes[J]. Digital Technology and Application, 2020,38(1): 17-19. | |
[17] | 王科 . 基于用户调度策略的高铁网络优化[J]. 江苏工程职业技术学院学报, 2020,20(2): 1-4. |
WANG K . High-speed railway network optimization based on user scheduling strategy[J]. Journal of Jiangsu College of Engineering and Technology, 2020,20(2): 1-4. | |
[18] | 梁晓燕 . 4G 网络高铁覆盖关键技术与优化体系[J]. 通信电源技术, 2020,37(15): 277-279,282. |
LIANG X Y . Key technology and optimization system of 4G network high-speed rail coverage[J]. Telecom Power Technology, 2020,37(15): 277-279,282. | |
[19] | 赵洪伟, 李玲 . 高铁LTE专网多频组网优化策略研究[J]. 邮电设计技术, 2019,62(3): 46-51. |
ZHAO H W , LI L . Research on multi-frequency network optimization strategy of hgigh-speed railway LTE private network[J]. Designing Techniques of Posts and Telecommunications, 2019,62(3): 46-51. | |
[20] | 潘翔, 张涛, 李福昌 . 高铁隧道场景的 5G 覆盖方案研究[J]. 邮电设计技术, 2019,62(8): 26-29. |
PAN X , ZHANG T , LI F C . Research on 5G coverage scheme of high-speed railway tunnel scenario[J]. Designing Techniques of Posts and Telecommunications, 2019,62(8): 26-29. |
[1] | Ruiquan JING, Leiyang SHEN, Zhiwei JIN, Jing ZHANG, Yuan YAO, Lei CHENG, Heng ZHOU. OSU based M-OTN networking modes and field trial [J]. Telecommunications Science, 2023, 39(6): 139-148. |
[2] | Cheng SHI, Pengju LIU, Zhigang DU, Sunxuan ZHANG, Zhenyu ZHOU, Huifeng BAI, Guoqing HE, Wenwen SUN, Yue MA. Digital twin-assisted multi-mode communication resource management methods for smart buildings [J]. Telecommunications Science, 2023, 39(1): 60-71. |
[3] | Yibo CHEN, Zhijin ZHAO. Intelligent anti-jamming decision algorithm of bivariate frequency hopping pattern based on ET-PPO [J]. Telecommunications Science, 2022, 38(11): 86-95. |
[4] | Wei ZHAO, Bei LI, Ning MENG, Tingwei WANG, Junfan LIN, Le CHEN, Yuhua HU, Hanyuan YANG. Design and implementation of AI-based all-scenario intelligent base station power-saving system [J]. Telecommunications Science, 2022, 38(8): 163-170. |
[5] | Lili WANG. Construction scheme analysis of computing force network [J]. Telecommunications Science, 2022, 38(6): 172-180. |
[6] | Han WANG, Lei DIAO, Mengling WANG, Xin RONG, Jiamin LI, Xiaohu YOU. A survey of key issues of URLLC in industrial internet of things [J]. Telecommunications Science, 2022, 38(Z1): 77-92. |
[7] | Shuai WANG, Dan CHEN, Yu XIAO. Research on external service capability of 5G industry private network [J]. Telecommunications Science, 2022, 38(Z1): 143-148. |
[8] | Sai XU, Shuai HAN, Weixiao MENG. A secure transmission method based on cooperative jamming for correlated main and wiretap channels [J]. Telecommunications Science, 2021, 37(6): 105-114. |
[9] | Ruiquan JING, Xiaoli HUO, Junjie LI, Yi DING. OSU based M-OTN technology innovation and verification [J]. Telecommunications Science, 2021, 37(4): 116-124. |
[10] | Dawei YANG,Chuanhui LIU,Jiafang KANG. PSWF signal based continuous phase modulation and its spectrum performance analysis [J]. Telecommunications Science, 2020, 36(11): 68-78. |
[11] | Ruiquan JING,Guoyong ZHAO,Yunbin XU,Xiaoli HUO. Prototype development and demonstration of unified management-control system of access-type OTN [J]. Telecommunications Science, 2020, 36(4): 154-160. |
[12] | Lili WANG,Jun YAO. Scheme analysis of transmission network for 5G mobile communication system [J]. Telecommunications Science, 2019, 35(7): 145-151. |
[13] | Sisi ZHENG,Haiquan WANG,Guobin LI,Tanming DAI. Golden code based transmission schemes and decoding methods for MIMO downlink system with finite-bit feedback [J]. Telecommunications Science, 2018, 34(11): 31-40. |
[14] | Chuan LIU,Zaichao HUANG,Jing TAO,Huibin JIA. Routing selection algorithm with considering the queuing delay for system protection communication network [J]. Telecommunications Science, 2018, 34(10): 47-52. |
[15] | Heping LIN,Cheng WANG,Jinliang ZHANG,Jixian CAO,Zhiying GAO,Shuai KANG. Application of integrating VC cross-connecting function with OTN system [J]. Telecommunications Science, 2018, 34(2): 173-180. |
Viewed | ||||||
Full text |
|
|||||
Abstract |
|
|||||
|