CN111132227B - Hierarchical network situation forwarding efficiency optimization method - Google Patents
Hierarchical network situation forwarding efficiency optimization method Download PDFInfo
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- CN111132227B CN111132227B CN201911351940.4A CN201911351940A CN111132227B CN 111132227 B CN111132227 B CN 111132227B CN 201911351940 A CN201911351940 A CN 201911351940A CN 111132227 B CN111132227 B CN 111132227B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides a hierarchical network situation forwarding efficiency optimization method, which dynamically adjusts the content and the length of a situation message according to task priority and network load conditions, and reduces the load of combat formation situation information transmission in different subnets under the condition of collaborative combat. The method is applied to actual engineering, effectively meets the requirement of network dynamics, and improves timeliness of distribution of the my situation. According to the invention, the content of the situation information of the my party is dynamically cut according to the load condition of the network resource, so that the timely transmission and the display of the basic situation information are ensured. Secondly, under the layered network, situation distribution is carried out among the cooperative combat formations among different sub-networks, and the cluster head preferentially sends situation information of the cooperative combat formations, so that the situation information is ensured to be shared in time in the two formations.
Description
Technical Field
The invention relates to the technical field of situation distribution, in particular to a forwarding efficiency optimization method between different subnets in the situation of my.
Background
The army is characterized by more army types and more combat units, combat responsibilities born by the combat units are different from each other, and requirements and demands (situation information content and accuracy) of situations of the combat sites are different. On one hand, different layered battlefield situation maps are provided for different levels of battlefield units according to different battlefield tasks and battlefield processes; on the other hand, in order to support direct tactical coordination of the various combat units, it is necessary to quickly and preferentially share my situation between coordinated combat formations.
The existing centerless distributed hierarchical network adopts a main network and a plurality of sub-network strategies, and the situation of the my in different sub-networks needs to be forwarded through sub-network cluster heads. Because of the shortage of wireless resources, the cluster head takes on the forwarding roles of information among different subnets, and has more bearing services, such as maintaining network management type information, my situation information, enemy situation information and the like. If the My situation data in different subnets is directly forwarded through the cluster head, the efficiency is lower. Under the condition of large scale of network members, such as 200-400 members, the cluster head is easy to have the problems of insufficient resources and slow situation information updating rate.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a hierarchical network situation forwarding efficiency optimization method. Based on task priority and network load conditions, the method for dynamically adjusting the content and the length of the information of the my situation can reduce the load of combat formation situation information transmission in different subnets under the condition of collaborative combat. The method is applied to actual engineering, effectively meets the requirement of network dynamics, and improves timeliness of distribution of the my situation.
The technical scheme adopted by the invention for solving the technical problems comprises the following steps:
step 1: generating My situation information and distributing cluster heads;
the subnet member situation information is firstly encoded according to a specified message format, the my situation information comprises an identity number of an my platform, a platform type, the number of platforms, precision, latitude, altitude, speed, time, environment category and time group, and the my situation information is broadcasted into the subnet according to a set update frequency (an aerial platform 6s, a ground maneuvering platform 24s and an individual soldier 48 s);
the cluster head forms the member situation information in the sub-network into a linked list for forwarding, and the number of the members of one sub-network is not more than 64; the situation information of members of the combat formation for carrying out tactical coordination tasks in different subnets is sent to the designated subnets through the cluster heads;
step 2: generating network load statistical information of a subnet cluster head;
in the range of two hops of the cluster head, the node broadcasts and transmits neighbor wireless resource load information in a period T, the cluster head clearly shows the wireless resource use condition of the node and the resource use condition of the two hops of the neighbor node, when the wireless resource of the cluster head is not fully occupied, the cluster head forwards complete situation information of the my party, when the wireless resource of the cluster head is fully occupied, a resource load adjustment management program applies spare time slot resources to the two hops of the neighbor node, and when the spare resources of the two hops of the neighbor node are not available, the step 3 is entered, and the adjustment of the situation information of the my party and the adjustment of the transmission priority are started;
step 3: information data forwarding based on the message priority and the resource load of the cooperative combat task;
firstly, the cluster head cuts the situation information, namely only the identification number, the platform type, the precision and the latitude of the platform of the my platform are reserved; secondly, according to the set cooperative combat task message priority, the cluster head sends a message queue to send situation information of the cooperative combat formation preferentially.
The invention has the beneficial effects that: firstly, in the army combat process, the situation information is the most important to report the position of the my formation, and the content of the situation information of the my is dynamically cut according to the network resource load condition, so that the timely transmission and the display of the basic situation information are ensured. Secondly, under the layered network, situation distribution is carried out among the cooperative combat formations among different sub-networks, and the cluster head preferentially sends situation information of the cooperative combat formations, so that the situation information is ensured to be shared in time in the two formations.
Drawings
Fig. 1 is a flow chart of the method of the present invention.
Fig. 2 is a network topology of an example of the invention.
Detailed Description
The invention will be further described with reference to the drawings and examples.
Aiming at the layered network architecture, the problem that cluster head situation information cannot be forwarded in time due to shortage of wireless resources is solved. The invention provides a method for improving situation distribution and updating efficiency and relieving wireless resource pressure of cluster heads by dynamically adjusting the data content and the length of the situation information based on the priority of the cooperative combat task information and the network load.
The invention designs an adjusting and forwarding method capable of dynamically adjusting cluster head situation information and priority according to current network resource load. FIG. 1 is a flow chart of the method of the present invention, and a detailed description of the implementation method of the present invention is provided below in conjunction with FIG. 2.
The specific technical scheme of the invention comprises the following steps:
step 1: generating My situation information and distributing cluster heads;
the subnet member situation information is firstly encoded according to a specified message format, the my situation information comprises an identity number of an my platform, a platform type, the number of platforms, precision, latitude, altitude, speed, time, environment category and time group, and the my situation information is broadcasted into the subnet according to a set update frequency (an aerial platform 6s, a ground maneuvering platform 24s and an individual soldier 48 s);
the cluster head forms the member situation information in the sub-network into a linked list for forwarding, and the number of the members of one sub-network is not more than 64; the situation information of members of the combat formation for carrying out tactical coordination tasks in different subnets is sent to the designated subnets through the cluster heads;
step 2: generating network load statistical information of a subnet cluster head;
in the range of two hops of the cluster head, the node broadcasts and transmits neighbor wireless resource load information in a period T, the cluster head clearly shows the wireless resource use condition of the node and the resource use condition of the two hops of the neighbor node, when the wireless resource of the cluster head is not fully occupied, the cluster head forwards complete situation information of the my party, when the wireless resource of the cluster head is fully occupied, a resource load adjustment management program applies spare time slot resources to the two hops of the neighbor node, and when the spare resources of the two hops of the neighbor node are not available, the step 3 is entered, and the adjustment of the situation information of the my party and the adjustment of the transmission priority are started;
step 3: information data forwarding based on the message priority and the resource load of the cooperative combat task;
firstly, the cluster head cuts the situation information, namely only the identification number, the platform type, the precision and the latitude of the platform of the my platform are reserved; secondly, according to the set cooperative combat task message priority, the cluster head sends a message queue to send situation information of the cooperative combat formation preferentially.
The embodiment of the invention is as follows:
(1) Suppose there are 12 nodes in the network, each numbered A, B, C … I, J, K, nodes ABC and HIJ are a combat formation a, on the same subnet. Nodes DEF and GKL are combat formations B, on the same subnet. The subnet cluster heads are cluster head 1 and cluster head 2, respectively.
(2) The formation A and the formation B need to cooperate to fight, and at the moment, the two formations need to share the positions of the two parties to form a unified situation. The situation information of members of formation a is sent to each member of formation B. Conversely, formation B needs to send member situation information to each member of formation a. Namely A, B, C, the situation information is sent to the cluster head 1, the cluster head 1 is forwarded to the cluster head 2, and the cluster head 2 pushes and broadcasts in the subnet. Otherwise G, K, L sends the situation information to the cluster head 2, the cluster head 2 forwards the situation information to the cluster head 1, and the cluster head 1 pushes broadcasting in the subnet.
(3) When the time slot resource load of the cluster head is normal and the available network resources are sufficient, the formation A and the formation B forward the complete situation information of the respective members through the cluster head. If the network resource load manager finds that the wireless resources are insufficient and can not apply for acquiring more wireless resources from the two-hop neighbor nodes, so that situation information can not be sent on time, the cluster head 1 cuts the received A, B, C situation information, only reserves basic information segments of the situation information of the my part, merges the information in a sending time slot and sends the information preferentially. The cluster head 2 receives the situation information of L, G, K, cuts the information content, and only forwards the basic information preferentially.
The method for adjusting and forwarding the formation situation information and the priority in the sub-network by the cluster head is provided with the implementation flow, and the method can dynamically adjust the size and the priority of the information data according to the network resource load, so that timeliness of forwarding the situation information when the formation in different sub-networks is cooperated for war is improved.
Claims (1)
1. The hierarchical network situation forwarding efficiency optimization method is characterized by comprising the following steps of:
step 1: generating My situation information and distributing cluster heads;
the method comprises the steps that subnet member situation information is firstly encoded according to a specified message format, the my situation information comprises an identity number of an my platform, a platform type, the number of the platforms, precision, latitude, altitude, speed, time, environment category and time group, and the my situation information is broadcasted into a subnet according to a set updating frequency;
the cluster head forms the member situation information in the sub-network into a linked list for forwarding, and the number of the members of one sub-network is not more than 64; the situation information of members of the combat formation for carrying out tactical coordination tasks in different subnets is sent to the designated subnets through the cluster heads;
step 2: generating network load statistical information of a subnet cluster head;
in the range of two hops of the cluster head, the node broadcasts and transmits neighbor wireless resource load information in a period T, the cluster head clearly shows the wireless resource use condition of the node and the resource use condition of the two hops of the neighbor node, when the wireless resource of the cluster head is not fully occupied, the cluster head forwards complete situation information of the my party, when the wireless resource of the cluster head is fully occupied, a resource load adjustment management program applies spare time slot resources to the two hops of the neighbor node, and when the spare resources of the two hops of the neighbor node are not available, the step 3 is entered, and the adjustment of the situation information of the my party and the adjustment of the transmission priority are started;
step 3: information data forwarding based on the message priority and the resource load of the cooperative combat task;
firstly, the cluster head cuts the situation information, namely only the identification number, the platform type, the precision and the latitude of the platform of the my platform are reserved; secondly, according to the set cooperative combat task message priority, the cluster head sends a message queue to send situation information of the cooperative combat formation preferentially.
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| WO2006053185A2 (en) * | 2004-11-10 | 2006-05-18 | Bae Systems Information And Electronic Systems Integration Inc. | Wearable portable device for establishing communications interoperability at an incident site |
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| CN102368863A (en) * | 2011-10-24 | 2012-03-07 | 中国人民解放军理工大学 | Wireless ad-hoc emergency communication network based on network cluster and message ferrying |
| WO2016188388A1 (en) * | 2015-05-26 | 2016-12-01 | 电信科学技术研究院 | Method for implementing service quality management |
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