CN108882254B - Multi-user distributed emergency synchronous networking method based on short-wave communication - Google Patents
Multi-user distributed emergency synchronous networking method based on short-wave communication Download PDFInfo
- Publication number
- CN108882254B CN108882254B CN201810863868.2A CN201810863868A CN108882254B CN 108882254 B CN108882254 B CN 108882254B CN 201810863868 A CN201810863868 A CN 201810863868A CN 108882254 B CN108882254 B CN 108882254B
- Authority
- CN
- China
- Prior art keywords
- short
- wave
- center
- remote
- controller
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a multi-user distributed emergency synchronous networking method based on short-wave communication, which comprises the steps of firstly constructing an optimized short-wave network equipment configuration scheme; secondly, a method for planning a master-standby area center of a remote station and a corresponding call channel table is provided; then, a multi-user distributed networking control and transmission mechanism in a synchronous networking mode is designed. The invention not only reduces the cost of the short wave communication network structure by the multi-station antenna sharing and synchronous networking method, but also thoroughly solves the problem of co-location interference of multiple stations and antennas; and through the timing switching of the call channel table, shorten and call and build the periodic time of the chain and raise the synchronous efficiency; and multi-user distributed on-demand access and dynamic sharing of resources of the whole network are realized through the dynamic access of the central multi-receiver and the dynamic scheduling of the multi-receiver of the whole network.
Description
Technical Field
The invention belongs to the field of network data communication, and relates to a multi-user distributed emergency synchronous networking method based on short-wave communication.
Background
The short wave communication network mainly utilizes the ionosphere reflection to realize limited data or voice low-speed transmission, is a typical narrow-band low-speed communication means, has the unique advantages of low construction cost, flexible deployment, strong survivability and the like, can realize medium and long-distance communication without establishing a relay station, and is particularly suitable for a data transmission network with limited communication infrastructure and small transmission service volume.
With the expansion of the coverage area of broadband communication networks such as terrestrial fiber, satellite, microwave and the like, the use of short-wave communication networks as main communication networks is decreasing, but for important service systems, while considering conventional communication networks, it is necessary to consider a set of emergency communication networks as a communication means for degraded service transmission when the primary link fails. Based on the characteristics of the short-wave communication network, the short-wave communication network is used as a networking method of the emergency communication network, and the advantages of strong survivability and economic cost can be obtained.
Similar to reconnaissance and monitoring systems (hereinafter referred to as systems) such as an artificial information reconnaissance system, frontier defense monitoring, radar early warning and the like, a large number of widely distributed remote sensor stations (hereinafter referred to as remote stations) such as acoustics, photoelectricity, vibration, radar and the like are adopted to complete target data collection, monitoring data are reported to a data collection center (hereinafter referred to as regional center) in an area through a communication network, the center processes the data and then reports the data to a higher-level data collection center (hereinafter referred to as higher-level center), and therefore a multi-layer organization structure including the remote stations, the regional center, the higher-level center and the like is generally adopted. The communication between the center and the superior center usually adopts a reliable optical fiber network as a communication means, and a microwave or satellite communication network with higher reliability and bandwidth is taken into consideration as a standby communication network, so that the full-function replacement of services can be completed through the standby communication network when the primary communication network is used. However, because the general conditions of the site where the remote station is deployed are limited, it is usually considered to adopt communication networks such as microwave and satellite communication as communication means, and when the primary communication network fails, the short-wave communication network is used as an emergency means to realize degraded transmission of services.
In order to realize emergency data collection between a remote station and a regional center through a short-wave communication network, the regional center is usually required to be configured with enough short-wave radio stations (or short-wave receivers), and when a primary link between the remote station and the regional center fails, the regional center can provide short-wave receiving capability to support service uploading of the short-wave radio stations of the remote station in the region. And a large number of short-wave radio stations are co-located, which easily causes serious mutual interference. The typical method for reducing the co-location interference of the short-wave radio stations is to ensure sufficient antenna isolation by increasing the distance between antennas (tested, when the short-wave with the power of 125W works at the interval of 200kHz, the distance between the antennas is 50m), and the co-location of a large number of short-wave radio stations inevitably requires large-scale site requirements which cannot be met by the center. Therefore, it is the first thing to optimize the configuration scheme of the center short-wave radio station.
According to whether the short wave communication network has a uniform time reference, the method can be an asynchronous networking transmission mode and a synchronous networking transmission mode. Asynchronous networking (usually adopting competition or polling) is a relatively short-wave synchronous networking mode, which has the obvious advantages of high networking speed, flexible networking, low requirement on timing precision and the like, but also brings the disadvantages of low bandwidth utilization rate and centralized timing control, particularly because of the channel characteristics of a short-wave communication network, the accessible frequencies between remote stations at distributed positions and interconnected data centers are not consistent, and the competition or polling asynchronous networking mode is not suitable for the networking of the short-wave communication network.
Due to the inconsistency of accessible frequencies between nodes of the short-wave communication network, the common synchronization channel shared access or scheduling strategy is not suitable for the short-wave multi-user shared access network, and the allocation of a fixed short-wave radio station in the regional center as the emergency access of the corresponding remote station causes the severe vacancy of the central resource. In addition, the system usually plans and deploys the remote station to a designated area, and when the main link between the remote station and the center is in fault, the remote station is automatically switched to the short-wave communication network and is accessed to the center. The fixed distribution mode can cause that the number of short-wave radio stations provided by part of centers is insufficient, but the short-wave radio stations provided by part of regional centers are seriously idle, so that the short-wave radio stations are seriously unbalanced in use. Therefore, an access strategy needs to be developed, so that when the short-wave radio station in the regional center where the remote station is located is vacant, the regional center distributes the short-wave radio station according to the requirement; when the short-wave radio station in the center of the area is saturated, the vacant radio stations in the centers of other areas can be fully called, and distributed shared access of the short-wave radio station in the whole network is realized.
The system needs to provide a short wave network configuration scheme for the demand characteristics of the short wave emergency communication network and the transmission characteristics of the short wave communication network, so that multiple short wave radio stations share the same antenna, and the co-location interference of multiple antennas is avoided; and multi-user distributed emergency communication networking is realized through a distributed shared access and synchronous networking method of the whole short-wave radio network.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to solve the technical problem of providing a multi-user distributed emergency synchronous networking method suitable for a short-wave communication network aiming at the defects of the prior art.
In order to solve the technical problem, the invention discloses a multi-user distributed emergency synchronous networking method based on short-wave communication, which comprises the following steps:
step 1: configuring a network: 1 superior center and M regional centers are deployed, N remote stations are deployed in the M regions, the superior finger control center is interconnected with the M regional centers and the M regional centers through a communication network, the regional centers and the sensor stations are configured with a master link (such as microwave or satellite communication) and are also configured with a short-wave emergency communication network, and the short-wave emergency communication network comprises a short-wave center controller and a short-wave remote controller;
step 2: configuring an attribution relationship: the remote station is configured with only 1 main area center, and is simultaneously configured with more than two spare area centers or is not configured with the spare area centers;
and step 3: planning a calling channel table: the channel frequency of the calling channel table of the remote station in the same time interval comprises the accessible frequency between the remote station and the center of the main area and the center of the spare area, and the calling channel table in different time intervals is set (according to the variation characteristic of the accessible frequency of the shortwave channel, 24 hours a day is divided into a plurality of time intervals, for example, one hour is a time interval);
and 4, step 4: and (3) synchronous networking time slot planning: the whole short-wave communication network adopts a synchronous networking mode, namely, the short-wave communication network comprises M sets of regional centers and all remote stations, all the regional centers and the remote stations work normally in a receiving state, and a transmitting state of a local short-wave transceiver is activated through a short-wave central controller or a short-wave remote controller. The short wave central controller or the short wave remote controller is provided with a unified clock source, and all short wave radio stations respond to the same synchronous signal in the network building and service transmission processes; the whole network synchronization period is T and comprises T1 and T2 time slots, T1 is a downlink service transmission time slot and a networking control time slot, and T2 is an uplink service transmission time slot. The short wave central controller or the short wave remote controller continues unified clock signals, and if the T1 time slot of each synchronization period T arrives, the step 5 is executed; and executing step 6 when T2 slot time of each synchronization period T arrives.
And 5: synchronous networking control: when the main link between the remote station and the regional center is unblocked, setting the remote station in a channel scanning state, monitoring the state of the main link by the short-wave central controller and the short-wave remote controller, and if the short-wave central controller monitors that the main link between the remote station and the main regional center is normal, performing service transmission by using the main link between the remote station and the main regional center, and returning to the step 4; if the short wave center controller monitors that the main link between the remote station and the main area center is in fault, executing step 7; if the short wave center controller monitors that the state of the main link is changed from failure to activation, executing the step 8;
step 6: and synchronous networking transmission: the short wave remote controller of the remote station accessed to the short wave network sends service through the short wave transceiver, the corresponding short wave receiver receives the service and returns the service, and then step 4 is executed;
and 7: allocating an access area center: the main area center judges whether an idle short wave receiver exists locally, if so, step 9 is executed; if not, executing step 10;
and 8: and (3) recovering the main link: switching the short-wave transceiver to a scanning state, releasing the current corresponding short-wave receiver, and executing the step 4;
and step 9: allocating calling and on duty short wave receivers: the short wave central controller controls the short wave transceiver to realize single call chain establishment with the remote station according to the call channel list in the step 3, then allocates a short wave receiver as a receiving on duty short wave receiver of the remote station, and executes the step 4;
step 10: central scheduling in the standby area, establishing a return link: according to the planning, the main area center sequentially inquires the idle condition of the short wave receiver of the backup area center, selects the backup area center, establishes a data return channel between the main area center and the backup area center through broadband links such as optical fibers or satellite communication, realizes the coordination of the idle receiver distribution and the data return of the backup area center, and executes the step 9.
The configuration short-wave emergency communication network in the step 1 comprises the following steps: the short wave center controller is configured at the center of each area, the short wave center controller is connected with 1 short wave transceiver and K short wave receivers, the short wave transceiver and the K short wave receivers share one short wave omnidirectional antenna through a radio frequency sharing device, 1 short wave remote controller is deployed at each sensor site, and each short wave remote controller is connected with 1 short wave transceiver.
In step 2, all the main area centers and the standby area centers maintain 1 home relation table of the whole network in the short wave center controller, all the area centers and the remote stations adopt uniform sequential addressing, each center only configures 1 address for the short wave transceiver, the receiver can not configure the address, and the distributed sharing of the short wave receiver of the whole network center can be met by configuring the main area center and the standby area center under the condition that the calling channel table covers the remote stations and the main area center and the standby area center.
In step 3, the short wave remote controller and the short wave central controller store all call channel tables of subordinate remote stations, and control the local short wave transceiver to switch and scan the call channel tables or select the corresponding call channel tables to initiate a single call chain establishment.
In the synchronous networking control process in the steps 5, 7, 9 and 10, the short wave emergency communication network is started by monitoring the fault of the main link through the regional center and initiating a single call building link by adopting the regional center station, so that the rapid response of the short wave emergency communication network and the dynamic sharing of multiple receivers according to the requirements are realized. And judging that the remote station is accessed to the local area center or the spare area center according to the idle state of the receiver of the main area center, and establishing a different-place service return link according to needs to realize the distributed access of the multiple remote stations to the multiple area centers.
The hardware of the short wave central controller and the short wave remote controller in the invention adopts a universal embedded processing platform, an asynchronous serial interface which is respectively connected with a radio station and an Ethernet interface which is connected with a regional central local area network are provided, and a Linux operating system is adopted for software development.
The invention firstly provides a network configuration scheme which thoroughly avoids the common address of a large number of short wave antennas by sharing the same antenna by a plurality of short wave radio stations. The synchronous networking configures the same clock source for all the site short-wave radio stations, and simultaneously, all the short-wave radio stations respond to the same synchronous signal in the networking and service transmission processes, thereby completely avoiding the interference of multiple antennas in the same address or the interference of multiple common antennas. The invention provides a synchronous networking time sequence planning suitable for a short wave communication network aiming at a network configuration scheme shared by a plurality of radio station antennas.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: (1) by the multi-antenna sharing and synchronous networking technology, the multi-antenna co-location interference is thoroughly solved, and the deployment of central short-wave equipment is optimized; (2) the calling channel list covers the centers of the master area and the standby area, and the calling channel list is switched at fixed time, so that the influence of inconsistency of different frequencies among different nodes of short-wave communication is eliminated, and the single-call link establishment time and the synchronous networking efficiency are provided. (3) The on-demand access and dynamic sharing of the finite short wave receiver resources to the multiple remote stations are realized through the dynamic scheduling of the multiple receivers; (4) through the configuration of the main and standby area centers and the establishment of a return link, the distributed shared access of a plurality of remote stations to a plurality of centers is realized, and the resource utilization rate of the whole network receiver is improved.
Drawings
The foregoing and other advantages of the invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic view of an application scenario of the present invention.
Fig. 2 is a center and remote station short wave equipment configuration of the present invention.
FIG. 3 illustrates the steps of the present invention.
Fig. 4 is a schematic diagram of a synchronous networking timeslot planning according to the present invention.
Fig. 5 is a schematic diagram of the composition of message fields in the present invention.
Detailed Description
The invention is further explained below with reference to the drawings and the embodiments.
Examples
With reference to fig. 1, fig. 2 and fig. 3, the multi-user distributed emergency communication synchronization method based on the short-wave communication network of the present invention includes the following steps:
step 1: the network is configured. The system deploys 1 superior center and M (M is a natural number) regional centers, and N (N is a natural number) remote stations are deployed in the M regional centers. The superior center is interconnected with the M regional centers and each M regional centers through a reliable communication network. The regional center and the remote station configure a main link and a short wave as an emergency communication network, and the application scenario is shown in fig. 1.
For a short-wave emergency communication network, the network structure of the invention is shown in fig. 2, 1 set of short-wave central controller is configured in the center of each area, 1 set of short-wave transceiver and K sets of short-wave receiver (K is a natural number) are connected, and all short-wave radio stations share the same short-wave omnidirectional antenna in a time sharing way through an antenna sharing device. Each remote station is provided with 1 set of short-wave remote controller connected with 1 set of short-wave transceiver.
The hardware of the short wave central controller and the short wave remote controller in the invention adopts a universal embedded processing platform, an asynchronous serial interface which is respectively connected with a radio station and an Ethernet interface which is connected with a central local area network are provided, and a Linux operating system is adopted for software development. The short-wave transceiver adopts a short-wave radio station which conforms to the GJB2077-2007 automatic line establishment standard of short-wave self-adaptive communication systems (hereinafter referred to as the Specification). Then, step 2 is performed.
Step 2: and configuring the attribution relation. The remote station is provided with 1 main area center and a plurality of standby area centers, each area center maintains an attribution relation table of 1 whole network in the short wave center controller, and the area centers are interconnected by adopting a reliable communication network. All regional centers and remote stations adopt unified sequential addressing, each regional center only configures 1 address for the short-wave transceiver, and the receiver can not configure the address. Each remote station has only 1 main area center, and can be configured with a plurality of standby area centers or not, and the home relationship table adopted by the invention is shown in table 1 (home relationship table of the whole network). Then, step 3 is performed.
TABLE 1
And step 3: and planning a calling channel table. The invention provides a method for establishing a link with a remote station short wave transceiver in a same time period, which is characterized in that the channel frequency of a call channel table of the remote station in the same time period (the call channel table can be set to be consistent with a service channel table so as to improve the utilization rate of the same frequency) comprises the accessible frequency between the remote station and the centers of a main area and a standby area, and ensures that the link can be established successfully when any center of the main area or the standby area initiates a call link establishment to the remote station. And according to the characteristics of day and night frequency changes of the short wave channel, setting call channel tables of different time periods, wherein the short wave remote controller and the short wave central controller both store the call channel tables of all subordinate remote stations and timely control the local short wave transceiver to switch and scan the call channel tables or select the corresponding call channel tables to initiate a single call link establishment, so that the phenomenon that the common call channel tables contain frequencies of different time periods such as day and night, the single call link establishment time is too long, and the synchronous networking efficiency is influenced is avoided. The paging channel plan table proposed by the present invention is shown in table 2 (paging channel plan table). Where x (x is a natural number) is the available channel number, G1, G2 …, Gi … represent different call channel tables, and the specification specifies natural numbers from 00 to 99. Then, step 4 is performed.
TABLE 2
And 4, step 4: and (5) synchronous networking time slot planning. The whole short-wave communication network adopts a synchronous networking mode, namely, the short-wave communication network comprises M sets of centers and all remote stations, all regional centers and all remote stations work normally in a receiving state, and a transmitting state of a local short-wave transceiver is activated through a short-wave center controller or a short-wave remote controller. And the short wave central controller or the short wave remote controller is provided with a GPS as a unified clock source, and all short wave radio stations respond to the same synchronous signal in the networking and service transmission processes.
The full-network synchronization time slot allocation is shown in fig. 4, the full-network synchronization period is T, and T is T1+ T2. Wherein, the T1 downlink service transmission time slot and the networking control time slot, that is, T1 is used as a regional center short-wave transceiver to transmit the downlink service time slot, and is also used as a far-end station short-wave transceiver to receive the downlink service time slot; and the time slot in which the single call setup chain of the regional centre short wave transceiver and the remote station short wave transceiver is located, T1 needs to be greater than the one-time single call setup chain time of the automatic control communication call, which is related to the parameter members of the call channel list, please choose to refer to specification. T2 is an uplink service transmission time slot, i.e. a time slot in which the regional centre short-wave receiver receives the service transmitted from the remote station short-wave transceiver which has accessed the short-wave network.
The short wave central controller or the short wave remote controller continues unified clock signals, and if the T1 time slot of each synchronization period T arrives, the step 5 is executed; and executing step 6 when T2 slot time of each synchronization period T arrives.
And 5: and (5) synchronous networking control. And (4) configuring a limited number of short wave receivers in the area center, and after the synchronous networking time slot planning in the step (4) is adopted, determining the channel stationing or scanning state of a set of short wave transceivers and the state of a scanning calling channel table configured in the area center are uncertain, wherein all the short wave transceivers can not adopt a conventional remote station to apply for network access. When the main link between the remote station and the regional center is unblocked, the remote station is set to be in a channel scanning state, and the configuration of the step 3 is referred to for scanning a calling channel list. The short wave central controller and the short wave remote controller monitor the state of the main link.
A maintenance message is established between the short-wave central controller and the short-wave remote controller through the master link, the link state between each remote station and the master area center thereof in the period T is continuously monitored, and meanwhile, the state of each remote station received through the short-wave emergency link is monitored in the period T, as shown in table 3 (short-wave link state table). Wherein active and off respectively represent the active or emergency link state between the main area center and the remote station, and the currently connected area center is designated when the emergency link is in the active state.
TABLE 3
The short wave center controller continuously monitors the state of a link state table:
1) if the active link between the remote station i and the master area center is normal, the active link is used for service transmission between the remote station i and the master area center, the active link of the remote station i is marked as active, and the short-wave link is off, as shown in table 4 (short-wave link state table — active link is normal). Returning to the step 4;
TABLE 4
2) If the short wave center controller monitors that the main link between the remote station i and the main area center is in fault, executing step 7;
3) and if the short wave center controller monitors that the state of the active link is changed from off to active, executing the step 8.
Step 6: and synchronizing networking transmission. And the short-wave remote controller of the remote station accessed to the short-wave network receives the service through the service transmitted by the short-wave transceiver and the corresponding regional center short-wave receiver. And the short wave center controller judges that the service destination address received by the local receiver is the regional center, and then the service data is processed by software/hardware. If the receiving center is the spare area center of the remote station, the service data is transmitted to the corresponding main area center short-wave center controller according to the return link established in step 10, and the service data is processed by software/hardware. Step 4 is then performed.
And 7: an access area center is assigned. The main area center judges whether the local area has an idle receiver, if so, step 9 is executed; if not, executing step 10;
and 8: and recovering the main link. If the short wave central controller monitors that the state of the main link is changed from off to active, the short wave central controller informs a remote short wave remote controller through the main link to control the short wave transceiver to switch to the scanning state corresponding to the parameters in the table 2 in the step 3, and meanwhile, the short wave central controller controls to release the short wave receiver corresponding to the central or the current access center and updates the short wave link state table to the table 4. Step 4 is performed.
And step 9: the call is assigned to the attended receiver. And (3) the short wave center controller inquires the table 2 in the step (3), acquires the calling channel table Si of the remote station n in the period, configures the short wave transceiver to switch to the calling channel table Si, controls the short wave transceiver to initiate a single-call chain establishment to the remote station n, and waits for successful handshake in the channel Ci. Then, the short wave central controller controls a local idle short wave receiver to switch to a channel Ci as an on-duty short wave receiver of a remote station n, informs the short wave remote controller of the remote station n of announcing the establishment of an emergency communication network through the short wave channel, and updates a short wave link state table to a table 5 (short wave link state table-main link is normal), wherein a center i is a local center, and a center j is a center accessed by the remote station at present. Then executing the step 4;
TABLE 5
Step 10: and performing central scheduling in the standby area and establishing a return link. The short wave center controller randomly inquires the idle condition of the short wave receiver of the remote station n spare area center in the step 2, if the spare area center is inquired to have an idle receiver, the short wave center controller of the spare area center is informed to serve as the superior center of the remote station n through a reliable communication network between the area centers, a return channel is established between the spare area center and the main area center short wave center controller, and the data of the remote station i is returned to the main area center after an emergency link is established. Step 9 is performed.
In order to implement service backhaul of the remote station, the shortwave message diagram of fig. 5 is defined, and when the destination address is consistent with the center of the current shortwave access, the access is indicated as the center of the main area; and if the destination address is inconsistent with the area center accessed by the current short wave, data return is required to be executed.
The invention provides a multi-user distributed emergency synchronous networking method based on short-wave communication, and a plurality of methods and ways for implementing the technical scheme are provided, the above description is only a preferred embodiment of the invention, and it should be noted that, for those skilled in the art, a plurality of improvements and embellishments can be made without departing from the principle of the invention, and these improvements and embellishments should also be regarded as the protection scope of the invention. All the components not specified in the present embodiment can be realized by the prior art.
Claims (1)
1. A multi-user distributed emergency synchronous networking method based on short-wave communication is characterized by comprising the following steps:
step 1: configuring a network: 1 superior center and M regional centers are deployed, N remote stations are deployed in the M regions, the superior finger control center is interconnected with the M regional centers and the M regional centers through a communication network, the regional centers and the sensor stations are configured with a main link and a short-wave emergency communication network, and the short-wave emergency communication network comprises a short-wave center controller and a short-wave remote controller;
step 2: configuring an attribution relationship: the remote station is configured with only 1 main area center, and is simultaneously configured with more than two spare area centers or is not configured with the spare area centers;
and step 3: planning a calling channel table: the channel frequency of the calling channel table of the remote station in the same time interval comprises the accessible frequency between the remote station and the center of the main area and the center of the spare area, and the calling channel table in different time intervals is set;
and 4, step 4: and (3) synchronous networking time slot planning: all the regional centers and the remote station short-wave radio stations work in a receiving state in a normal state, the transmitting state of the local short-wave transceiver is activated through a short-wave center controller or a short-wave remote controller, the short-wave center controller or the short-wave remote controller is provided with a unified clock source, and all the short-wave radio stations respond to the same synchronous signal in the network building and service transmission processes; the whole network synchronization period is T and comprises T1 and T2 time slots, T1 is a downlink service transmission time slot and a networking control time slot, and T2 is an uplink service transmission time slot; the short wave central controller or the short wave remote controller continues unified clock signals, and if the T1 time slot of each synchronization period T arrives, the step 5 is executed; when the T2 slot of each synchronization period T arrives, executing step 6;
and 5: synchronous networking control: when the main link between the remote station and the regional center is unblocked, setting the remote station in a channel scanning state, monitoring the state of the main link by the short-wave central controller and the short-wave remote controller, and if the short-wave central controller monitors that the main link between the remote station and the main regional center is normal, performing service transmission by using the main link between the remote station and the main regional center, and returning to the step 4; if the short wave center controller monitors that the main link between the remote station and the main area center is in fault, executing step 7; if the short wave center controller monitors that the state of the main link is changed from failure to activation, executing the step 8;
step 6: and synchronous networking transmission: the short wave remote controller of the remote station accessed to the short wave network sends service through the short wave transceiver, the corresponding short wave receiver receives the service and returns the service, and then step 4 is executed;
and 7: allocating an access area center: the main area center judges whether an idle short wave receiver exists locally, if so, step 9 is executed; if not, executing step 10;
and 8: and (3) recovering the main link: switching the short-wave transceiver to a scanning state, releasing the current corresponding short-wave receiver, and executing the step 4;
and step 9: allocating calling and on duty short wave receivers: the short wave central controller controls the short wave transceiver to realize single call chain establishment with the remote station according to the call channel list in the step 3, then allocates a short wave receiver as a receiving on duty short wave receiver of the remote station, and executes the step 4;
step 10: scheduling the spare area center, establishing a return link, sequentially inquiring the idle condition of the short-wave receiver in the spare area center by the main area center according to the plan, selecting the spare area center, establishing a data return channel between the main area center and the spare area center through a broadband link, realizing the coordination of the spare area center idle receiver allocation and the data return, and executing the step 9;
the configuration short-wave emergency communication network in the step 1 comprises the following steps: the method comprises the following steps that 1 set of short-wave central controller is configured in the center of each area, the short-wave central controller is connected with 1 set of short-wave transceiver and K sets of short-wave receiver, the short-wave transceiver and the K sets of short-wave receiver share a short-wave omnidirectional antenna through a radio frequency sharing device, 1 set of short-wave remote controller is deployed in each sensor site, and each set of short-wave remote controller is connected with 1 set of short-wave transceiver;
in step 2, all the main area centers and the standby area centers maintain 1 home relationship table of the whole network in the short wave center controller, all the area centers and the remote stations adopt uniform sequential addressing, and each center only configures 1 address for the short wave transceiver;
in step 3, the short wave remote controller and the short wave central controller store all call channel tables of subordinate remote stations, and control the local short wave transceiver to switch and scan the call channel tables or select the corresponding call channel tables to initiate a single call chain establishment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810863868.2A CN108882254B (en) | 2018-08-01 | 2018-08-01 | Multi-user distributed emergency synchronous networking method based on short-wave communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810863868.2A CN108882254B (en) | 2018-08-01 | 2018-08-01 | Multi-user distributed emergency synchronous networking method based on short-wave communication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108882254A CN108882254A (en) | 2018-11-23 |
| CN108882254B true CN108882254B (en) | 2021-05-18 |
Family
ID=64307085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810863868.2A Active CN108882254B (en) | 2018-08-01 | 2018-08-01 | Multi-user distributed emergency synchronous networking method based on short-wave communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108882254B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110661843A (en) * | 2019-08-14 | 2020-01-07 | 熊猫电子集团有限公司 | Short wave waveform parameter configuration implementation system |
| CN112637949A (en) * | 2020-12-17 | 2021-04-09 | 江苏恒宝智能系统技术有限公司 | Networking and positioning method and system for short-wave emergency communication |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060019425A (en) * | 2004-08-27 | 2006-03-03 | 엘지전자 주식회사 | Mobile communication terminal for transmitting short wave and its operating method |
| CN103997793A (en) * | 2014-06-06 | 2014-08-20 | 中国电子科技集团公司第二十八研究所 | Short wave network data access method based on service statistical property in data communication |
| CN106878943A (en) * | 2017-01-11 | 2017-06-20 | 中国人民解放军国防信息学院 | Short wave network Situation Awareness realization method and system |
| JP2018007197A (en) * | 2016-07-08 | 2018-01-11 | 株式会社日立国際電気 | Communication system |
| CN207022217U (en) * | 2017-07-20 | 2018-02-16 | 厦门大学 | Emergency communication system based on big data |
| CN207589191U (en) * | 2017-10-17 | 2018-07-06 | 成都赛零信息技术开发有限公司 | A kind of multimode emergency commading system of multi-line |
-
2018
- 2018-08-01 CN CN201810863868.2A patent/CN108882254B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060019425A (en) * | 2004-08-27 | 2006-03-03 | 엘지전자 주식회사 | Mobile communication terminal for transmitting short wave and its operating method |
| CN103997793A (en) * | 2014-06-06 | 2014-08-20 | 中国电子科技集团公司第二十八研究所 | Short wave network data access method based on service statistical property in data communication |
| JP2018007197A (en) * | 2016-07-08 | 2018-01-11 | 株式会社日立国際電気 | Communication system |
| CN106878943A (en) * | 2017-01-11 | 2017-06-20 | 中国人民解放军国防信息学院 | Short wave network Situation Awareness realization method and system |
| CN207022217U (en) * | 2017-07-20 | 2018-02-16 | 厦门大学 | Emergency communication system based on big data |
| CN207589191U (en) * | 2017-10-17 | 2018-07-06 | 成都赛零信息技术开发有限公司 | A kind of multimode emergency commading system of multi-line |
Non-Patent Citations (1)
| Title |
|---|
| 基于OMNeT+短波网络仿真与性能分析;范贤学;《指挥信息系统与技术》;20121031;第74-78页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108882254A (en) | 2018-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8583182B2 (en) | Dynamic cell configuration employing distributed antenna system for advanced cellular networks | |
| CA2909298C (en) | Selecting an uplink-downlink configuration for a cluster of cells | |
| CN101983535B (en) | Via the method for the route that accesses terminal | |
| US20050282570A1 (en) | Synchronization of terminals in a radio link system | |
| EP2494843B1 (en) | Relayed communications in mobile environment | |
| RU2013155899A (en) | COMMUNICATION SYSTEM AND METHOD FOR MANAGING IT | |
| CN102511190B (en) | Method, relay station and communication system for Un sub-frame configuration processing | |
| US20100215009A1 (en) | Method and apparatus for resource allocation in a multi hop relay network | |
| US20220158721A1 (en) | Non-terrestrial network satellite beam switching | |
| CN105451271A (en) | Resource management method and device | |
| CN113114340B (en) | Simultaneous same-frequency full-duplex measurement and control communication networking method | |
| CN108882254B (en) | Multi-user distributed emergency synchronous networking method based on short-wave communication | |
| WO2021022489A1 (en) | Handover control method, apparatus, device, and storage medium | |
| EP1724945B1 (en) | Radio access system with extended service coverage | |
| EP2898612B1 (en) | Apparatus and method for setting up radio front haul link in cooperative communication system | |
| CN113261219B (en) | Interference coordination for 5G flight communications | |
| TW201906437A (en) | Radio resource management (rrm) measurement for new radio (nr) network | |
| CN114760656A (en) | Information processing method, device, network side equipment and wireless backhaul equipment | |
| CN112188464A (en) | Short-wave emergency communication system and method | |
| EP1545148B1 (en) | Method, cellular communication system and mobile station for improved handling of direct mode communications between mobile stations. | |
| US20110183677A1 (en) | Radio base station apparatus | |
| WO2022014092A1 (en) | Communication relay device and storage medium with computer program stored therein | |
| WO2017166164A1 (en) | Downlink physical channel sending method, ue, and base station | |
| KR20160081812A (en) | Beam scheduling method in mobile communication system | |
| US20230119096A1 (en) | Multiple donor supported directional repeater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |