CN-119815463-B - Narrowband multi-hop ad hoc network incremental position information sending system

Abstract

The invention discloses a narrow-band multi-hop ad hoc network incremental position information sending system, which comprises a plurality of terminals and field devices, wherein the distance between two adjacent terminals is smaller than or equal to the radiation radius of the terminals, the plurality of terminals form an ad hoc network by adopting the arrangement mode, the field devices are power acquisition terminals, remote signaling data, telemetry data and remote control data are acquired, the data of the field devices in the area range in the operation process are transmitted through the ad hoc network, the ad hoc network comprises an initial networking part and a periodic networking part, the incremental position information is used as a data transmission channel, compared with the direct transmission, the position routing transmission time is greatly shortened, the service collision is reduced, the communication rate of the ad hoc network is ensured to the maximum extent, and precious green life channels are provided when the system is used in an emergency environment.

Inventors

• Jiang Dakun
• YIN PAN
• ZHAO JIANGUANG
• GUO LIANGSONG
• GUO XIN
• ZHAO HONGLING
• Bawuduni, Ruzi

Assignees

• 国网新疆电力有限公司和田供电公司

Dates

Publication Date

20260505

Application Date

20250107

Claims (2)

1. 1. The utility model provides a narrow-band multihop ad hoc network incremental position information sending system which is characterized in that the system comprises a plurality of terminals and field devices, wherein the distance between two adjacent terminals is less than or equal to the radiation radius of the terminal, the radiation radius of the terminal is 15-20km in a flat area, the radiation radius of the terminal is 6-10km in a building and shelter area, the maximum number of field devices which can be arranged in the radiation radius range of the terminal is 400-500, a plurality of the terminals form an ad hoc network by adopting the arrangement mode, an ad hoc network area is formed, the field devices are electric power acquisition terminals, remote signaling data, remote control data are acquired, and the data of the field devices in the range of the ad hoc network area in the operation process are transmitted through the ad hoc network; The self-networking comprises an initial networking part and a periodic networking part, wherein S01-S04 is an initial networking stage, S05-S06 is a periodic networking stage, the cyclic period of the periodic networking is set by a write frequency parameter, the cyclic period comprises networking broadcast signaling time, position reporting time and idle time, the numerical value of the write frequency parameter is set according to the rapid change degree of the network, and the data transmission flow of the self-networking comprises the following steps: s01, sending networking broadcast signaling; s02, sending complete position information report including used route information; S03, the control center acquires node position information in the ad hoc network, and performs next expansion application according to the node position information; s04, entering an idle period and waiting for the next networking cycle; S05, when networking is circulated again, only incremental information of the position is sent; And S06, receiving the position increment information, and transmitting the longitude and latitude increment information and the speed information by using a control signaling according to the time stamp time information of the control center.
2. 2. The narrowband multihop ad hoc network incremental position information transmission system according to claim 1, wherein the field device further comprises an intercom terminal.

Description

Narrowband multi-hop ad hoc network incremental position information sending system Technical Field The invention relates to the technical field of narrow-band emergency communication, in particular to a narrow-band multi-hop ad hoc network incremental position information sending system. Background With the continuous development of technology, wireless communication technology is increasingly used in various fields. In specific industries such as rescue, security monitoring and power, the requirements on the wireless communication technology are more strict. Under these circumstances, the factors such as stability, coverage, anti-interference capability and networking speed of the signals are critical, and the narrowband wireless ad hoc network technology is generated, so that the narrowband wireless ad hoc network technology becomes an important solution for communication guarantee in these industries. The narrowband wireless ad hoc network technology is an efficient wireless communication technology, and has the following characteristics: 1. the efficient networking technology adopts a distributed networking mode, so that the rapid networking can be realized, the command part can rapidly obtain the field information, and the time is striven for rescue work. 2. The anti-destruction capability is strong, the narrowband wireless ad hoc network technology has the characteristic of strong anti-destruction capability, and can ensure smooth communication under extreme environments, such as disasters of earthquake, flood, typhoon and the like, and the communication capability is still ensured. 3. The coverage range is wide, the narrowband wireless ad hoc network technology adopts a radio frequency expansion technology, can realize ultra-long distance communication, has wide coverage range, and can meet the communication requirements of different scenes. 4. The operation is stable and reliable, the narrowband wireless ad hoc network technology adopts various fault tolerance mechanisms, the stable and reliable operation of the system can be ensured, and the smooth communication can be ensured under a complex environment. 5. The standard self-adaption can be matched with EPDT/PDT/DMR and other standard terminals, the narrow-band wireless self-networking technology adopts an air interface compatible self-adaption technology, and the standard EPDT/PDT/DMR and other standard terminals can be used in networking. 6. The base station communication, the self-networking relay terminal in the narrow-band wireless self-networking technology can be used together with the base station communication. Based on the characteristics of narrowband communication, a narrowband communication network is mostly adopted in the power industry, and in the existing narrowband wireless ad hoc network scheme, the realization of service functions such as ad hoc network, self-recovery, multi-hop forwarding, emergency request forwarding and the like can be realized only by a plurality of terminals in a terminal direct-through mode without a base station and a transfer station device. The specific steps of service implementation are given on the data disclosed by the narrowband ad hoc network at present, but the position information (carrying route) of each node needs to be transmitted, the transmission is carried out by using a short message mode, three frames of data (a header frame and two frames of data blocks) are needed, one frame is needed according to 60ms, 180ms is needed according to four-turn-over forwarding time, namely 900ms, when the number of nodes is large, the networking time is very long, for example, 10 terminals, the position route forwarding time is needed to be 9S, the networking can not be completed, the networking information can not be updated quickly along with the exit of the node, the joining of a new node and the like, and the delay is large. The demand of fast networking and real-time dynamic route adjustment is not satisfied. Disclosure of Invention In order to overcome the problems, the invention aims to provide a narrow-band multi-hop ad hoc network incremental position information sending system, which takes incremental position information as a data transmission channel, greatly shortens position routing transmission time compared with direct transmission, reduces service collision, furthest ensures the communication rate of an ad hoc network, and provides a precious green life channel when in use in an emergency environment. The technical scheme adopted by the invention is as follows: The system comprises a plurality of terminals and field devices, wherein the distance between two adjacent terminals is smaller than or equal to the radiation radius of the terminals, the terminals form an ad hoc network in such an arrangement mode, the field devices are power acquisition terminals, remote signaling data, remote sensing data and remote control data are acquired, and the data of the field devices in the area range