王振业　江勋林　李　明

(解放军理工大学野战工程学院　南京　210007)



基于北斗的装备保障信息长报文可靠通信研究

王振业江勋林李明

(解放军理工大学野战工程学院南京210007)

摘要在工程兵执行应急行动时利用北斗设备的短报文通信功能组建装备保障信息网络。针对北斗通信易因遮蔽而导致报文发送失败问题,提出持续遮蔽原则避免在遮蔽条件下发送报文。针对单条北斗报文长度有限,不足于容纳单次装备保障信息传输,提出长报文可靠通信协议,确保装备保障信息的完全传输。最后通过实验验证了所构建通信机制的合理性和有效性。

关键词北斗通信; 长报文; 装备保障信息; 可靠通信

Research on Long Message Reliable Communication for Equipment Support Information

WANG ZhenyeJIANG XunlinLI Ming

(College of Field Engineering, PLA University of Science and Technology, Nanjing210007)

AbstractWhen the engineer corps perform emergency action, the equipment support information network is set up by the short message communication function of the Beidou device. Due to the Beidou communication is easy to be covered so that it leads to the failure of sending message, sustained shadowing principle is proposed in this paper to avoid sending messages under shielding conditions. For that the length of a single Beidou message is limited and it is not enough to accommodate a single equipment support information transmission, the reliable communication protocol of long message is put forward to ensure the complete transmission of the equipment information. Finally, the rationality and effectiveness of the communication mechanism are verified by experiments.

Key WordsBeidou communication, long message, equipment support information, reliable communication

Class NumberTP319

1引言

北斗卫星定位导航系统是我国完全自主研发的卫星导航系统[1~2]。北斗卫星定位导航系统的构建是分两个阶段完成的,分别是2003年以前完成的北斗一代和正在建设的北斗二代(记为BD-2)[3]。相比北斗二代的无源定位方式,北斗一代有源定位虽然有定位精度不高、易受干扰、功耗大等缺点,但是北斗一代可以为用户提供短报文服务功能。该功能可以在通信条件缺乏或者有特殊保密要求时发挥重大作用。比如在抗震救灾中的应用[4~5]、海洋通信中的应用[6]、电网建设中的应用[7]等。

在营区内,装备保障信息可通过网络自由传输。在工程兵部队执行应急行动时多处于野外条件下,如何快速构建装备保障信息网络是一个值得研究的课题。在野外条件下,因为居无定所,建设有线网络成本过高、浪费严重,而通过无线电台传输又受距离和地理条件的影响,也不可行。……