WO2019201175A1 - 用于列车部件损伤数据传输的车地lte通讯系统 - Google Patents

用于列车部件损伤数据传输的车地lte通讯系统 Download PDF

Info

Publication number
WO2019201175A1
WO2019201175A1 PCT/CN2019/082490 CN2019082490W WO2019201175A1 WO 2019201175 A1 WO2019201175 A1 WO 2019201175A1 CN 2019082490 W CN2019082490 W CN 2019082490W WO 2019201175 A1 WO2019201175 A1 WO 2019201175A1
Authority
WO
WIPO (PCT)
Prior art keywords
lte
vehicle
access
train
base station
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/082490
Other languages
English (en)
French (fr)
Inventor
蔡国强
王坚群
何明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Bide Science And Technology Co Ltd
Original Assignee
Jiangsu Bide Science And Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Bide Science And Technology Co Ltd filed Critical Jiangsu Bide Science And Technology Co Ltd
Publication of WO2019201175A1 publication Critical patent/WO2019201175A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0069—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/42—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for mass transport vehicles, e.g. buses, trains or aircraft
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a vehicle LTE communication system suitable for train component damage data transmission.
  • the vehicle-to-ground communication system used is a GSM-R system, which includes four parts: a network subsystem (NSS), a base station subsystem (BSS), an operation and service support subsystem (OSS/BSS), and a terminal device.
  • the network subsystem includes a Mobile Switching Subsystem (SSS), a Mobile Intelligent Network (IN) subsystem, and a General Packet Radio Service (GPRS) subsystem.
  • the GSM-R system adopts master-slave synchronization mode. Devices such as TMSC, MSC, HLR, and SCP should obtain timing signals from BITS devices nearby.
  • the G digital link between MSC and BSS should be used as a synchronous link.
  • the BSS obtains synchronization from the MSC.
  • the clock signal can also extract the synchronous clock signal from the nearest BITS device or SDH device.
  • the GSM-R transmission system refers to a digital transmission system that provides a channel for the connection between the subsystems of the GSM-R system, including the transmission supporting units necessary for the GSM-R system to provide basic services, such as transmitting optical, cable and transmission.
  • Equipment but does not include the connection channel between the remote station and the near-end machine of the repeater, and does not include connections such as antenna feeders.
  • the communication method has the problem that the existing ground base stations cannot switch links, the coverage of the wireless signal is small, and the signal transmission between the two base stations on the ground is interrupted, which seriously affects the real-time performance and stability of the data transmission, especially the high-speed train.
  • Structural damage monitoring data transmission requires very high real-time data, and the GSM-R system cannot meet the requirements.
  • a vehicle LTE communication system for train component damage data transmission includes: an in-vehicle access subsystem, a vehicle-to-ground transmission subsystem, and a ground access transmission subsystem.
  • the in-vehicle access subsystem includes an LTE CPE device and an external antenna disposed on the train body, and the LTE CPE device is wirelessly connected to the vehicle ground transmission subsystem through the external antenna;
  • the vehicle ground transmission subsystem includes at least two LTE vehicle base stations eNodeB, an LTE core network, and an access router, and the LTE vehicle base station eNodeB wirelessly connects to the LTE CPE device through the external antenna,
  • the LTE vehicle base station eNodeB and the LTE core network are connected by using a wireless connection, and the LTE core network and the access router are connected by wire and/or wireless;
  • the terrestrial access transmission subsystem includes a WiFi access gateway access gateway and an RNC, and the WiFi access gateway and the RNC are connected to the access router by wire and/or wireless.
  • the in-vehicle access subsystem further includes a WiFi AP access device, and the WiFi AP access device is connected to the LTE CPE device by using an Ethernet or a wireless manner.
  • the onboard access subsystem further includes a 2/3 GFemto base station, and the 2/3 GFemto base station is wirelessly connected to the access router by using the external antenna.
  • the LTE car base station eNodeB is installed along a predefined line and wirelessly transmits and receives in accordance with the LTE wireless air interface protocol.
  • the LTE vehicle-mounted base stations eNodeB adjacent to each other have an overlapping communication coverage area.
  • the LTE car base station eNodeB is configured to: when the train enters the coverage area of another LTE car base station eNodeB by the coverage area of one of the LTE car base stations eNodeB, the previous LTE car site The service connection of the base station eNodeB is switched to the current LTE vehicle base station eNodeB.
  • the vehicle LTE communication system for train component damage data transmission can realize that the high-speed train and the ground base station are always in a connected state, and the adjacent two ground base stations can perform their own switching signals, thereby ensuring the train and the ground base station.
  • the signal between the two is not interrupted, real-time monitoring of the service status of key parts of the high-speed railway is realized, thus providing data transmission support for high-speed train component replacement and maintenance decision.
  • FIG. 1 is a block diagram showing an embodiment of a vehicle LTE communication system for train component damage data transmission according to the present invention
  • FIG. 2 is a detailed structural diagram of a vehicle LTE communication system for train component damage data transmission according to the present invention.
  • Embodiments of the invention may be applied to a computer system/central server that can operate with numerous other general purpose or special purpose computing system environments or configurations.
  • Examples of well-known computing systems, environments, and/or configurations suitable for use with computer systems/central servers include, but are not limited to, personal computer systems, central server computer systems, thin clients, thick clients, handheld or laptop devices Microprocessor-based systems, set-top boxes, programmable consumer electronics, networked personal computers, small computer systems, mainframe computer systems, and distributed cloud computing technology environments including any of the above, and the like.
  • the computer system/central server can be described in the general context of computer system executable instructions (such as program modules) being executed by a computer system.
  • program modules may include routines, programs, target programs, components, logic, data structures, and the like that perform particular tasks or implement particular abstract data types.
  • the computer system/central server can be implemented in a distributed cloud computing environment where tasks are performed by remote processing devices that are linked through a communication network.
  • program modules may be located on a local or remote computing system storage medium including storage devices.
  • FIG. 1 is a block diagram showing an embodiment of a vehicle LTE communication system for train component damage data transmission in accordance with the present invention.
  • the vehicle LTE communication system 200 for train component damage data transmission includes an in-vehicle access subsystem 201, a vehicle-to-ground transmission subsystem 202, and a ground access transmission subsystem 203.
  • the vehicle access subsystem 201 is connected to the vehicle ground transmission subsystem 202 in a wireless transmission manner
  • the vehicle ground transmission subsystem 202 is connected to the ground access transmission subsystem 203 in a wireless transmission manner
  • the damage data acquisition device 100 passes the vehicle.
  • the access subsystem 201 is connected to the LTE vehicle ground communication system, and the ground damage diagnosis center 300 accesses the LTE vehicle ground communication system through the ground access transmission subsystem 203, so that the damage data acquiring device 100 and the ground damage diagnosis center 300 pass
  • the vehicle LTE communication system 200 implements data transmission.
  • FIG. 2 is a detailed structural diagram of a vehicle LTE communication system for train component damage data transmission according to the present invention.
  • the in-vehicle access subsystem 201 includes an LTE CPE device 2010, a WiFi AP access device 2011, and a 2/3GFemto base station 2012 installed inside the train body, and is installed on the train. External antenna 2013 outside the car body.
  • the LTE CPE device 2010 is wirelessly connected to the vehicle ground transmission subsystem 202 through the external antenna 2013;
  • the WiFi AP access device 2011 is connected to the LTE CPE2010 device through an Ethernet or wireless manner;
  • the 2/3 GFemto base station 2012 is wirelessly connected to the access router 2022 via the external antenna 2013.
  • the external antenna 2013 is designed with a circular polarization enhanced antenna to improve signal reception capability and anti-interference capability.
  • the vehicle-to-ground transmission subsystem 202 includes an LTE vehicle-mounted base station eNodeB 2020, an LTE core network 2021, and an access router 2022.
  • the LTE vehicle-mounted base station eNodeB 2020 is wirelessly connected to the LTE CPE device 2010 through the external antenna 2013.
  • the LTE car base station eNodeB 2020 and the LTE core network 2021 are connected by radio, and the LTE core network 2021 and the access router 2022 are connected by wire and/or wireless.
  • the number of the LTE car base station eNodeBs 2020 may be deployed according to, for example, two or more.
  • the LTE car base station eNodeB 2020 includes at least an LTE car base station eNodeB1 and an LTE car.
  • the LTE in-vehicle base station eNodeB 2020 is installed along a predefined line and wirelessly transmits and receives in accordance with the LTE wireless air interface protocol.
  • the LTE vehicle base station eNodeB 2020 is installed and deployed along the train passing line, and performs wireless transmission and reception through the LTE wireless air interface protocol.
  • the LTE vehicle-mounted base station eNodeB 2020 adjacent to each other has an overlapping communication coverage area, and the LTE vehicle-mounted base station eNodeB 2020 is configured to be a train by one of the LTE vehicle base stations.
  • the coverage area of the eNodeB enters the coverage area of another LTE vehicle base station eNodeB, the service connection of the previous LTE vehicle base station eNodeB is switched to the current LTE vehicle base station eNodeB.
  • the LTE car base station eNodeB1 and the LTE car base station eNodeB2 have overlapping coverage areas, and when the train enters the coverage area of the LTE car base station eNodeB2 by the coverage area of the LTE car base station eNodeB1, the service of the LTE car base station eNodeB1 is used.
  • the connection is switched to the LTE car base station eNodeB2.
  • the terrestrial access transmission subsystem 203 includes a wifi access gateway 2030 and an RNC 2031, and the WiFi access gateway 2030 and the RNC 2031 are connected to the access router 2022 by wire and/or wireless.
  • the data transmission process of the vehicle LTE communication system for train component damage data transmission is: the signal transmitted in the preferred vehicle LTECPE device 2010 is transmitted to the LTE in the vehicle transmission subsystem 202 through the external antenna 2013.
  • the vehicle-mounted base station eNodeB1 transmits information, and the LTE vehicle-mounted base station eNodeB 2020 switches the service link of the LTE vehicle-mounted base station eNodeB1 to the LTE when the train body enters the LTE vehicle-mounted base station eNodeB2 signal reception range in the vehicle-to-ground transmission subsystem 202.
  • the vehicle base station eNodeB2 ensures that the signal between the train body and the LTE vehicle base station eNodeB2020 is uninterrupted, greatly increasing the signal coverage of the train body during the running process; and then the LTE vehicle base station eNodeB2020
  • the received information is transmitted to the access router 2022 through the LTE wireless network in the LTE core network 2021, and the access router 2022 transmits the signal on the LTE vehicle base station eNodeB 2020 to the WiFi access gateway 2030 and/or the RNC 2031, and finally the WiFi AP.
  • the access device 2011 Ethernet mode and the airborne LTCPE device 2010 perform information transmission communication, and the WiFi access gateway 2030 and the vehicle LTECPE device In 2010, information exchange was carried out to realize real-time transmission of structural damage monitoring data of key parts of the train.
  • the train body can also continuously transmit information to the WiFi access gateway 2030 and/or the RNC 2031 through the access router 2022 through the 2/3G femto base station 2012 during the running process, and finally the WiFi access gateway 2030. Exchange information with the vehicle-mounted LTECPE device 2010 to achieve higher signal coverage during the line.
  • the signal service link between the LTE vehicle base station train body can be stably and quickly switched, and the signal coverage of the train body is increased.
  • the train body receives signals from the LTE vehicle base station through the external antenna, and the signal reception is stable, which increases the stability of the wireless signal of the train body in the key part of the train.
  • the method and apparatus, apparatus of the present invention may be implemented in a number of ways.
  • the methods, apparatus, and apparatus of the present invention can be implemented in software, hardware, firmware, or any combination of software, hardware, and firmware.
  • the above-described sequence of steps for the method is for illustrative purposes only, and the steps of the method of the present invention are not limited to the order specifically described above unless otherwise specifically stated.
  • the invention may also be embodied as a program recorded in a recording medium, the program comprising machine readable instructions for implementing the method according to the invention.
  • the invention also covers a recording medium storing a program for performing the method according to the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

本发明提供一种用于列车部件损伤数据传输的车地LTE通讯系统，包括：车载接入子系统、车地传输子系统和地面接入传输子系统，所述车载接入子系统包括LTE CPE设备以及设置在列车车体上的外置天线，所述LTE CPE设备通过所述外置天线与所述车地传输子系统进行无线连接；所述车地传输子系统包括至少两个LTE车地基站eNodeB、LTE核心网和接入路由器，所述LTE车地基站eNodeB通过所述外置天线与所述LTE CPE设备进行无线连接；所述地面接入传输子系统包括WiFi接入网关接入网关和RNC，所述WiFi接入网关和RNC与所述接入路由器通过有线和/或无线方式连接。根据本发明的用于列车部件损伤数据传输的车地LTE通讯系统可以为高速列车部件更换与维修决策提供数据传输支持。

Description

用于列车部件损伤数据传输的车地LTE通讯系统 技术领域
本发明涉及通信技术领域，尤其涉及一种适用于列车部件损伤数据传输的车地LTE通讯系统。
背景技术
20世纪50年代，中国铁路车站值班员和编组场内线路值班员开始使用列车无线调度电话和站内无线电话，采用工作频率为2MHz和40MHz的电子管设备。70年代初，全部改用150MHz和450MHz频段的晶体管设备。80年代初，在编组场上推广应用携带小型的150MHz、450MHz的站内无线电话。铁路沿线维护作业人员的无线电话也相继推广使用。养路、施工的报警无线装置也得到迅速的发展和应用，并进行了山区隧道区段的列车无线调度电话试验。
目前，在中国铁路的频段为上行885-889MHz，下行方向为930-934MHz。使用的车地通信系统为GSM-R系统，该系统包括网络子系统(NSS)、基站子系统(BSS)、运行和业务支撑子系统(OSS/BSS)和终端设备等四个部分。其中，网络子系统包括移动交换子系统(SSS)、移动智能网(IN)子系统和通用分组无线业务(GPRS)子系统。GSM-R系统采用主从同步方式，TMSC、MSC、HLR、SCP等设备应就近从BITS设备中获取定时信号，MSC至BSS间的G数字链路应兼作同步链路使用，BSS从MSC获取同步时钟信号，也可从就近的BITS设备或SDH设备提取同步时钟信号。GSM-R传输系统指的是为GSM-R系统各子系统之间的连接提供通道的数字传输系统，包括GSM-R系统为提供基本服务所必需的传输配套单元，如传输光、电缆和传输设备，但不包括直放站远端机和近端机之间的连接通道，也不包括天馈线等连接。
但是该通讯方式具有现有地面基站之间不能切换链路，无线信号的覆盖范围小，导致地面两个基站之间信号传输中断等问题，严重影响数据传输实时性、稳定性，特别是高速列车结构损伤监测数据传输对于数据的实时性要求非常高，GSM-R系统不能满足要求。
发明内容
在发明内容部分中引入了一系列简化形式的概念，这将在具体实施方式部分中进一步详细说明。本发明的发明内容部分并不意味着要试图限定出所要求保护的技术方案的关键特征和必要技术特征，更不意味着试图确定所要求保护的技术方案的保护范围。
根据本发明实施例的一个方面公开了一种用于列车部件损伤数据传输的车地LTE通讯系统，包括：车载接入子系统、车地传输子系统和地面接入传输子系统，
所述车载接入子系统包括LTE CPE设备以及设置在列车车体上的外置天线，所述LTE CPE设备通过所述外置天线与所述车地传输子系统进行无线连接；
所述车地传输子系统包括至少两个LTE车地基站eNodeB、LTE核心网和接入路由器，所述LTE车地基站eNodeB通过所述外置天线与所述LTE CPE设备进行无线连接，所述LTE车地基站eNodeB和所述LTE核心网通过无线方式连接，所述LTE核心网与所述接入路由器通过有线和/或无线方式连接；
所述地面接入传输子系统包括WiFi接入网关接入网关和RNC，所述WiFi接入网关和RNC与所述接入路由器通过有线和/或无线方式连接。
在本发明的一个实施例中，所述车载接入子系统还包括WiFi AP接入设备，所述WiFi AP接入设备通过以太网或无线方式与所述LTE CPE设备连接。
在本发明的一个实施例中，所述车载接入子系统还包括2/3GFemto基站，所述2/3GFemto基站通过所述外置天线与所述接入路由器进行无线连接。
在本发明的一个实施例中，所述LTE车地基站eNodeB沿着预先定义的线路安装，并且按LTE无线空口协议进行无线发射和接收。
在本发明的一个实施例中，相互邻接的所述LTE车地基站eNodeB之间具有重叠通信覆盖区域。
在本发明的一个实施例中，所述LTE车地基站eNodeB配置为当列车由其中一个LTE车地基站eNodeB的覆盖区域进入另一个LTE车地基站eNodeB的覆盖区域时，将前一个LTE车地基站eNodeB的业务连接切换到当前LTE车地基站eNodeB上。
根据本发明的用于列车部件损伤数据传输的车地LTE通讯系统可以实现高 速列车与地面基站一直处于连接状态，相邻两个地面基站之间可以进行自己切换信号，从而保证列车与地面基站之间的信号不中断，实现高速铁路关键部位服役状态的实时监控，从而为高速列车部件更换与维修决策提供数据传输支持。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其它的附图：
图1为根据本发明的用于列车部件损伤数据传输的车地LTE通讯系统的一个实施例的结构示意图；
图2为根据本发明的用于列车部件损伤数据传输的车地LTE通讯系统详细结构示意图。
具体实施方式
现在将参照附图来详细描述本发明的各种示例性实施例。应注意到：除非另外具体说明，否则在这些实施例中阐述的部件和步骤的相对布置、数字表达式和数值不限制本发明的范围。
同时，应当明白，为了便于描述，附图中所示出的各个部分的尺寸并不是按照实际的比例关系绘制的。
以下对至少一个示例性实施例的描述实际上仅仅是说明性的，决不作为对本发明及其应用或使用的任何限制。
对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论，但在适当情况下，所述技术、方法和设备应当被视为说明书的一部分。
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步讨论。
本发明实施例可以应用于计算机系统/中心服务器，其可与众多其它通用或专用计算系统环境或配置一起操作。适于与计算机系统/中心服务器一起使用的众所周知的计算系统、环境和/或配置的例子包括但不限于：个人计算机系统、中心服务器计算机系统、瘦客户机、厚客户机、手持或膝上设备、基于微处理器 的系统、机顶盒、可编程消费电子产品、网络个人电脑、小型计算机系统﹑大型计算机系统和包括上述任何系统的分布式云计算技术环境，等等。
计算机系统/中心服务器可以在由计算机系统执行的计算机系统可执行指令(诸如程序模块)的一般语境下描述。通常，程序模块可以包括例程、程序、目标程序、组件、逻辑、数据结构等等，它们执行特定的任务或者实现特定的抽象数据类型。计算机系统/中心服务器可以在分布式云计算环境中实施，分布式云计算环境中，任务是由通过通信网络链接的远程处理设备执行的。在分布式云计算环境中，程序模块可以位于包括存储设备的本地或远程计算系统存储介质上。
下文中的“第一”、“第二”仅用于描述上相区别，并没有其它特殊的含义。
图1为根据本发明的用于列车部件损伤数据传输的车地LTE通讯系统的一个实施例的结构示意图。
如图1所示，本实施例公开的用于列车部件损伤数据传输的车地LTE通讯系统200包括车载接入子系统201、车地传输子系统202和地面接入传输子系统203，所述车载接入子系统201以无线传输方式与车地传输子系统202相连，所述车地传输子系统202以无线传输方式与地面接入传输子系统203相连，损伤数据获取装置100通过所述车载接入子系统201接入LTE车地通讯系统，地面损伤诊断中心300通过所述地面接入传输子系统203接入LTE车地通讯系统，从而使得损伤数据获取装置100和地面损伤诊断中心300通过所述车地LTE通讯系统200实现数据传输。
图2为根据本发明的用于列车部件损伤数据传输的车地LTE通讯系统详细结构示意图。
如图2所示，在本实施例中，所述车载接入子系统201包括安装在列车车体内部的LTE CPE设备2010、WiFi AP接入设备2011和2/3GFemto基站2012，以及安装在列车车体外部的外置天线2013。所述LTE CPE设备2010通过所述外置天线2013与所述车地传输子系统202进行无线连接；所述WiFi AP接入设备2011通过以太网或无线方式与所述LTE CPE2010设备连接；所述2/3GFemto基站2012通过所述外置天线2013与所述接入路由器2022进行无线连接。示例性地，所述外置天线2013采用圆极化增强型天线设计，以提高信号接收能力和抗干扰能力。
所述车地传输子系统202包括LTE车地基站eNodeB2020、LTE核心网2021和接入路由器2022，所述LTE车地基站eNodeB2020通过所述外置天线2013与 所述LTE CPE设备2010进行无线连接，所述LTE车地基站eNodeB2020和所述LTE核心网2021通过无线方式连接，所述LTE核心网2021与所述接入路由器2022通过有线和/或无线方式连接。
所述LTE车地基站eNodeB2020的数量可以根据进行部署，例如包括两个或两个以上，示例性地，在本实施例中，所述LTE车地基站eNodeB2020至少包括LTE车地基站eNodeB1和LTE车地基站eNodeB2。示例性地，所述LTE车地基站eNodeB2020沿着预先定义的线路安装，并且按LTE无线空口协议进行无线发射和接收。例如所述LTE车地基站eNodeB2020沿着列车通行线路进行安装部署，并通过LTE无线空口协议进行无线发射和接收。为了避免信号传输中断问题，在本实施例中，相互邻接的所述LTE车地基站eNodeB2020之间具有重叠通信覆盖区域，并且所述LTE车地基站eNodeB2020配置为当列车由其中一个LTE车地基站eNodeB的覆盖区域进入另一个LTE车地基站eNodeB的覆盖区域时，将前一个LTE车地基站eNodeB的业务连接切换到当前LTE车地基站eNodeB上。例如LTE车地基站eNodeB1和LTE车地基站eNodeB2具有重叠的覆盖区域，并且当列车由LTE车地基站eNodeB1的覆盖区域进入LTE车地基站eNodeB2的覆盖区域时，则将LTE车地基站eNodeB1的业务连接切换到LTE车地基站eNodeB2上。
所述地面接入传输子系统203包括wifi接入网关2030和RNC2031，所述WiFi接入网关2030和RNC2031与所述接入路由器2022通过有线和/或无线方式连接。
上述实施例提供的用于列车部件损伤数据传输的车地LTE通讯系统的数据传输过程为：首选车载LTECPE设备2010中传输的信号通过外置天线2013向所述车地传输子系统202中的LTE车地基站eNodeB1进行发送信息，当列车车体进入到车地传输子系统202中的LTE车地基站eNodeB2信号接收范围时所述LTE车地基站eNodeB2020将LTE车地基站eNodeB1的业务链接切换到LTE车地基站eNodeB2上，从而保证列车车体与所述LTE车地基站eNodeB2020之间的信号不中断，大大的增加了列车车体在开行过程中的信号覆盖范围；然后所述LTE车地基站eNodeB2020接收到的信息通过LTE核心网2021中的LTE无线网络传输到接入路由器2022上，接入路由器2022再将LTE车地基站eNodeB2020上信号传输至WiFi接入网关2030和/或RNC2031中，最后WiFiAP接入设备2011以太 网方式与机载LTECPE设备2010进行信息传输通讯，WiFi接入网关2030与车载LTECPE设备2010进行信息交换，实现列车关键部位结构损伤监测数据实时传输。与此同时，列车车体在开行过程中还可以通过2/3G femto基站2012以无线方式通过接入路由器2022中不断向WiFi接入网关2030和/或RNC2031进行信息传输，最后WiFi接入网关2030与车载LTECPE设备2010进行信息交换，以此来达到开行过程中较高的信号覆盖范围。
上述实施例提供的用于列车部件损伤数据传输的车地LTE通讯系统具有如下优点：
1、LTE车地基站列车车体之间的信号业务链接可以进行稳固快速的切换,增加了列车车体的信号覆盖范围。
2、列车车体都是通过外置天线向LTE车地基站接收信号的，信号接收稳定，增加了列车关键部位结构损伤监测数据在列车车体的无线信号稳定性。
可能以许多方式来实现本发明的方法和装置、设备。例如，可通过软件、硬件、固件或者软件、硬件、固件的任何组合来实现本发明的方法和装置、设备。用于方法的步骤的上述顺序仅是为了进行说明，本发明的方法的步骤不限于以上具体描述的顺序，除非以其它方式特别说明。此外，在一些实施例中，还可将本发明实施为记录在记录介质中的程序，这些程序包括用于实现根据本发明的方法的机器可读指令。因而，本发明还覆盖存储用于执行根据本发明的方法的程序的记录介质。
本发明的描述是为了示例和描述起见而给出的，而并不是无遗漏的或者将本发明限于所公开的形式。很多修改和变化对于本领域的普通技术人员而言是显然的。选择和描述实施例是为了更好说明本发明的原理和实际应用，并且使本领域的普通技术人员能够理解本发明从而设计适于特定用途的带有各种修改的各种实施例。

Claims (6)

  1. 一种用于列车部件损伤数据传输的车地LTE通讯系统，其特征在于，包括：车载接入子系统、车地传输子系统和地面接入传输子系统，
    所述车载接入子系统包括LTE CPE设备以及设置在列车车体上的外置天线，所述LTE CPE设备通过所述外置天线与所述车地传输子系统进行无线连接；
    所述车地传输子系统包括至少两个LTE车地基站eNodeB、LTE核心网和接入路由器，所述LTE车地基站eNodeB通过所述外置天线与所述LTE CPE设备进行无线连接，所述LTE车地基站eNodeB和所述LTE核心网通过无线方式连接，所述LTE核心网与所述接入路由器通过有线和/或无线方式连接；
    所述地面接入传输子系统包括WiFi接入网关和RNC，所述WiFi接入网关和RNC与所述接入路由器通过有线和/或无线方式连接。
  2. 如权利要求1所述的系统，其特征在于，所述车载接入子系统还包括WiFi AP接入设备，所述WiFi AP接入设备通过以太网或无线方式与所述LTE CPE设备连接。
  3. 如权利要求1所述的系统，其特征在于，所述车载接入子系统还包括2/3GFemto基站，所述2/3GFemto基站通过所述外置天线与所述接入路由器进行无线连接。
  4. 如权利要求1所述的系统，其特征在于，所述LTE车地基站eNodeB沿着预先定义的线路安装，并且按LTE无线空口协议进行无线发射和接收。
  5. 如权利要求1所述的系统，其特征在于，相互邻接的所述LTE车地基站eNodeB之间具有重叠通信覆盖区域。
  6. 如权利要求1所述的系统，其特征在于，所述LTE车地基站eNodeB配置为当列车由其中一个LTE车地基站eNodeB的覆盖区域进入另一个LTE车地基站eNodeB的覆盖区域时，将前一个LTE车地基站eNodeB的业务连接切换到当前LTE车地基站eNodeB上。
PCT/CN2019/082490 2018-04-17 2019-04-12 用于列车部件损伤数据传输的车地lte通讯系统 Ceased WO2019201175A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810351383.5 2018-04-17
CN201810351383.5A CN110392359A (zh) 2018-04-17 2018-04-17 用于列车部件损伤数据传输的车地lte通讯系统

Publications (1)

Publication Number Publication Date
WO2019201175A1 true WO2019201175A1 (zh) 2019-10-24

Family

ID=68240427

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/082490 Ceased WO2019201175A1 (zh) 2018-04-17 2019-04-12 用于列车部件损伤数据传输的车地lte通讯系统

Country Status (2)

Country Link
CN (1) CN110392359A (zh)
WO (1) WO2019201175A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115913267A (zh) * 2023-01-04 2023-04-04 慧铁科技有限公司 一种车地高速通信装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112839318A (zh) * 2021-01-11 2021-05-25 广东省电信规划设计院有限公司 高铁5g覆盖系统、系统模拟方法、装置及计算机设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013107136A1 (zh) * 2012-01-19 2013-07-25 华为技术有限公司 终端接入认证的方法及用户端设备
CN105120533A (zh) * 2015-08-06 2015-12-02 尚一民 列车无线网络覆盖系统
CN105636145A (zh) * 2015-12-23 2016-06-01 武汉烽火信息集成技术有限公司 用于地铁轨道通信的基于1.8GHz的TD-LTE系统
CN106454980A (zh) * 2016-09-18 2017-02-22 北京中经赛博科技有限公司 一种4g‑lte地空宽带通信系统及方法
CN107182051A (zh) * 2017-07-10 2017-09-19 武汉虹信通信技术有限责任公司 一种用于cbtc的终端状态跟踪方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201238373A (en) * 2011-03-04 2012-09-16 Askey Computer Corp Method for providing a vehicle with communication service and micro base station applied to the vehicle
CN102413520B (zh) * 2011-09-29 2015-03-04 中国科学院计算技术研究所 面向高速铁路的lte通信系统中的切换方法及系统
CN102981497B (zh) * 2012-11-21 2015-09-16 北京建筑工程学院 高速列车制动系统故障诊断设备及诊断方法
US10667087B2 (en) * 2016-02-16 2020-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Backhaul for access points on high speed trains
CN205981278U (zh) * 2016-07-16 2017-02-22 刘兴超 基于mems的列车轮轴状态无线监测系统
CN206061159U (zh) * 2016-09-18 2017-03-29 北京中经赛博科技有限公司 一种4g‑lte地空宽带通讯系统
CN106428117B (zh) * 2016-10-17 2018-04-17 北京交通大学 轨道交通列车的无线通信覆盖方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013107136A1 (zh) * 2012-01-19 2013-07-25 华为技术有限公司 终端接入认证的方法及用户端设备
CN105120533A (zh) * 2015-08-06 2015-12-02 尚一民 列车无线网络覆盖系统
CN105636145A (zh) * 2015-12-23 2016-06-01 武汉烽火信息集成技术有限公司 用于地铁轨道通信的基于1.8GHz的TD-LTE系统
CN106454980A (zh) * 2016-09-18 2017-02-22 北京中经赛博科技有限公司 一种4g‑lte地空宽带通信系统及方法
CN107182051A (zh) * 2017-07-10 2017-09-19 武汉虹信通信技术有限责任公司 一种用于cbtc的终端状态跟踪方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115913267A (zh) * 2023-01-04 2023-04-04 慧铁科技有限公司 一种车地高速通信装置
CN115913267B (zh) * 2023-01-04 2023-05-30 慧铁科技有限公司 一种车地高速通信装置

Also Published As

Publication number Publication date
CN110392359A (zh) 2019-10-29

Similar Documents

Publication Publication Date Title
US11671878B2 (en) Optimized train solution
US10068115B2 (en) Method and apparatus for tracking via a radio frequency identification device
Fokum et al. A survey on methods for broadband internet access on trains
Banerjee et al. A survey of wireless communication technologies & their performance for high speed railways
CN102082713B (zh) 一种高铁移动通信系统及其工作方法
CN105704740A (zh) 一种列车车地通信网络系统
US20160249233A1 (en) Providing broadband service to trains
JP2019503098A (ja) 飛行機内に位置する移動通信装置の飛行中のセルラ通信システムのカバレッジ
CN106464344A (zh) 用于移动平台的多调制解调器通信系统和方法
CN106341821B (zh) 基于lte的轨道交通无线数据干扰抑制方法及系统
CN109698717B (zh) 一种转信台同频同播的组网方法和转信台
EP2819318B1 (en) Repeater system and method for operating said system
Zhao et al. LTE-M system performance of integrated services based on field test results
WO2019201175A1 (zh) 用于列车部件损伤数据传输的车地lte通讯系统
WO2016176926A1 (zh) 一种基站工作频段的配置方法、装置及系统
CN102355649B (zh) 一种应急通信中的移动通信基站及其应急通信方法
Awad et al. Novel system architecture for railway wireless communications
CN103249105A (zh) 一种用于多个移动中继的协作切换方法与装置
RU119192U1 (ru) Система связи транспортного средства
CN108401260A (zh) 车地无线移动漫游通信系统
US20260059395A1 (en) Systems and methods for handover signaling reduction
WO2016163279A1 (en) Handling a handover of a wireless communication system located on-board a moving vehicle
CN117354921A (zh) 一种基于5guwb技术面向隧道盾构机人员定位的方法
US10003978B2 (en) Mobile communication system, radio base station, radio mobile station and mobile communication method
Zhao et al. Micro Repeater Solution for 5G Signal Coverage in High-speed Train

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19787778

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19787778

Country of ref document: EP

Kind code of ref document: A1