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1、GSM-R系统在武广高铁的应用,GSM-R system in the Wuhan-Guangzhou high-speed rail,GSM-R系统在武广高铁的应用,为我国高速铁路实现铁路信息化建设跨越式发展做出了一个成功的典范。采用所谓“天网”的GSM-R通信网络，实行高速动车组准确定位和控制。武广高速铁路通信网络的应用突出了安全、完整、统一、灵活、可靠、可扩展性的特点。GSM-R系统为铁路沿线人员(包括铁路工作人员、旅客、其他用户)提供了语音和数据通信技术服务,为基于GSM-R的CTCS-3(列车运行控制系统)级列控提供了通信平台,GSM-R system in the Wuhan-Gu
2、angzhou high-speed rail applications for the realization of Chinas high-speed railway construction railway information by leaps and bounds made a successful model.The so-called Skynet of GSM-R communication network,the implementation of high-speed EMU accurate positioning and control.Application of
3、the Wuhan-Guangzhou high-speed railway communication network highlights the security,integrity,unity,flexible,reliable,scalable features.GSM-R system along the railway personnel(including railway staff,visitors,other users)provides voice and data communications technology services for GSM-R based on
4、 the CTCS-3(Train Control System)level provides a communication platform for train control.,一，应用于武广高铁GSM-R通信系统的特点 GSM-R（Globle System of Mobile foRRailway）专门针对铁路移动通信的需求而推出的专用通信系统，由国际铁路联盟（UIC）和欧洲电信标准化组织制定技术标准，并被许多欧洲国家采纳。它基于GSM并在其功能上有所超越，是成熟的通过无线通信方式实现移动话音和数据传输的一种技术体制。,First,apply to the Wuhan-Guangzh
5、ou high-speed railway GSM-R communication system is characterized by GSM-R(Globle System of Mobile foRRailway)specifically for the needs of railway mobile communications and the launch of a dedicated communication system by the International Union of Railways(UIC)and the European Telecommunications
6、Standards Organization development of technical standards,adopted by many European countries.It has been exceeded based on the GSM and its function is to realize a sophisticated technical system mobile voice and data transmission via wireless communication.,（一）铁路GSM-R相对公网GSM有着特殊的需求 用户级别不同（语音呼叫，包括：组呼
7、、群呼、增强多优先级与强拆）。功能寻址（调度）。基于位置的寻址（机车呼叫前方车站、后方车站）。高速列车运行情况下的移动通信。大量特殊的数据业务需求（列控、车次号等）。,(A)railway GSM-R GSM public network has a relatively specific needs of different user levels(voice calls,including:group calling,enhanced multi-priority and demolitions).Addressing the function(scheduling).Addressing
8、(call ahead locomotive station,behind the station)location-based.Mobile communications in case of high-speed trains running.Business needs a lot of special data(train control,train number,etc.).,（二）武广高速铁路GSM-R无线网络采用单层交织冗余覆盖 在列控系统中,无线闭塞中心(RBC)与车载设备无线连接中断,主要是由于GSM-R的无线网络连接失效,即车载ATP（列控车载系统）与BTS(基站)的连接中
9、断,可能是ATP或BTS发生了故障,其中BTS故障的影响可能性大,因为它的故障会造成整个BTS无线网络覆盖区域内的无线连接中断,导致ATP无线连接超时由CTCS-3级转入CTCS-2级控车，影响该区段内的所有列车运行。,(B)The Wuhan-Guangzhou high-speed railway GSM-R wireless network using single interwoven redundant coverage in train control systems,RBC(RBC)and vehicle equipment wireless connection is lost
10、,mainly due to the GSM-R wireless network connection failure,that car ATP(car train control system)and(base)BTS interrupted connection may be faulty ATP or BTS,BTS failures which affect the possibility of large,because its failure would cause the entire BTS coverage area of a wireless network wirele
11、ss connection is interrupted,resulting in ATP wireless connection timeout by the CTCS-3 级 into class CTCS-2 control cars,affecting all trains within the section.,武广高铁对无线连接失效采取的技术方案是采用单层交织冗余覆盖，铁路沿线由一层无线网络进行覆盖，但在系统设计时加密基站，使得两相邻基站的场强相互覆盖到对方站址，这样可保证在非连续基站故障的情况下，GSM-R网络仍能够正常工作。而且采用不同路由的奇偶数基站保护“环型”结构，在这种无
12、线网络结构下，基站单点故障时不会出现无线网络覆盖盲区，只有连续基站故障或BSC（基站控制器）故障时才会影响无线覆盖，因而系统可靠性很高；同时由于基站加密，覆盖电平较高，抗干扰能力也较强。保证了动车350km/h运行速度车-地之间双向数据传输安全。,Wuhan-Guangzhou high-speed rail failure to adopt wireless connection technology program is the use of single interwoven redundancy covered by a layer of railway wireless networ
13、k coverage,but in the system design encryption base,making the field strength between two adjacent base stations to cover each other mutual station site,it will ensure that in the case of non-continuous base station failure,GSM-R network is still able to work properly.And the number of base stations
14、 using parity protection different route ring structure,in which the wireless network infrastructure,wireless network coverage blind spots will not appear when the base single point of failure,malfunction or BSC only when continuous base(base station controller)failure will affect the wireless cover
15、age,and thus a high system reliability;same time as the base encryption,coverage level is higher,stronger anti-interference ability.To ensure that the EMU 350km/h operating speed car-two-way data transmission security between ground.,（三）CTCS-3级高速运行情况下的移动通信 使CRH3（中国铁路高速）型动车组在武广高速铁路上以350km/h的速度安全运行。基于
16、承载CTCS-3业务的GSM-R系统确保行车安全。今天武广高铁采用GSM-R通信网络创造了CRH3型动车运行时速394公里的世界记录。,(C)mobile communications CTCS-3 class high-speed operation under so CRH3(China Railway High-speed)type EMU safe operation to 350km/h speed on the Wuhan-Guangzhou high-speed railway.Carrying CTCS-3 business system based on GSM-R to e
17、nsure road safety.Today,the Wuhan-Guangzhou high-speed railway network using GSM-R communication created CRH3 type EMU run world record speed of 394 kilometers.,二、在武广高铁GSM-R通信网络的功能及其应用 我国GSM-R铁路数字移动通信系统由：网络交换子系统（NSS）、基站子系统（BSS）、运行和维护操作支持子系统（OSS）三个子系统构成。,Second,the Wuhan-Guangzhou high-speed rail net
18、work GSM-R communication function and application of GSM-R digital mobile communication system by the railroad:Switching Network Subsystem(NSS),base station subsystem(BSS),operations and maintenance support subsystem(OSS)three subsystems.,GPRS在GSM-R网络中的重要作用 GPRS（通用分组无线业务）高效、低成本、资源配置灵活，特别适用于间断、突发性、频繁
19、、数据量小的数据传输，也适用于偶尔的大数据量传输。将GPRS分组交换模式引入到GSM-R网络中,GSM-R在数据传输上产生了由电路交换到分组交换的质的飞跃,数据传输速率从原来的9.6kb/s提高到最大传输速率171.2kb/s(理论上)。GPRS方式的数据传输链路，可以为铁路运输行车指挥提供数据通信业务，包括列车控制系统信息传输、机车同步控制信息传输、调度命令传输、调车无线机车信号和监控信息传输、无线车次号传输、进站停稳信息及接车进路信息的传输等数据通信业务。,GPRS important role in the GSM-R network GPRS(General Packet Radio
20、Service)efficient,low-cost,flexible resource allocation,especially for intermittent,sudden,frequent,small amounts of data data transmission,but also for the occasional big the amount of data transmission.The introduction of GPRS packet switching mode to GSM-R network,GSM-R on the data transmission g
21、enerated by the circuit-switched to packet-switched qualitative leap in data transfer rate from the original 9.6kb/s maximum transfer rate 171.2kb/s(in theory).GPRS mode data transmission link,can provide data communications services for the rail transport traffic control,train control systems,inclu
22、ding information transmission,locomotive synchronization control information transmission,transmission scheduling order,shunting locomotives radio signals and monitor information transmission,wireless transmission of train number,pitted a parked car into the path of information and access informatio
23、n and other data traffic transmission.,在高铁CTCS-3级模式下，车载设备通过GSM-R无线通信GPRS子系统向RBC发送司机选择输入和确认的数据（如车次号），列车固有性质数据（列车类型、列车最大允许速度、牵引类型等），车载设备在RBC的注册、注销信息，定期向RBC报告列车位置、列车速度、列车状态（正常时）和车载设备故障类型（非正常时）信息，列车限制性信息以及文本信息等。,In the high-speed rail CTCS-3 Advanced Mode,automotive equipment subsystem sent via GPRS GSM
24、-R radio communication drivers choose to RBC data input and validation(such as train number),the inherent nature of the data train(train types,the maximum allowable train speed,traction type,etc.),automotive equipment registered in the RBC,cancellation information report regularly train location,tra
25、in speed,train status(normal)and on-board equipment failure type(non-normal)information,train information,and text information,such as limiting the RBC.,三、中国铁路GSM-R网络的规划 铁道部按国家中长期铁路网规划在全国建设三个移动汇接交换中心(TMSC)，分别设在北京、武汉、西安。采用铁路专用900MHz工作频段，885889MHz（移动台发，基站收），930934MHz（基站发，移动台收）。共4MHz频率带宽。在全国18个铁路局所在地以及
26、拉萨设置共计19个MSC（移动交换中心）,GSM-R核心网络采用二级网络结构。建立全国铁路统一的GSM-R移动通信平台,在铁路内部实现全国漫游,加快高速铁路信息化建设,实现高速铁路跨越式发展。,Third,the Planning Ministry of Railways of China Railway GSM-R networks by country,long-term railway network plan in the country tandem construction of three mobile switching center(TMSC),are located in
27、Beijing,Wuhan and Xian.900MHz operating frequency band using a dedicated railway,885-889MHz(mobile station,base station receive),930-934MHz(base station,the mobile station received).Frequency of 4MHz bandwidth.18 railway bureaus in the country as well as the location of a total of 19 set in Lhasa MS
28、C(Mobile Switching Center),GSM-R core network using two network structure.Establish a unified GSM-R mobile communications platform of the national railway,the railway internal realization of the national roaming,to accelerate the construction of high-speed railway information,to achieve high-speed railway by leaps and bounds.,
