CN106937265B - Ship communication method and device - Google Patents

Ship communication method and device Download PDF

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Publication number
CN106937265B
CN106937265B CN201511015913.1A CN201511015913A CN106937265B CN 106937265 B CN106937265 B CN 106937265B CN 201511015913 A CN201511015913 A CN 201511015913A CN 106937265 B CN106937265 B CN 106937265B
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equipment
service
network element
user terminal
communication
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CN106937265A (en
Inventor
朱力
王隽
况凌
杜祝
黎楚
淳增辉
罗帆
陈涛
张翼
吴为
汤灵
徐智鹏
郭浩
邓松
付建强
徐鹏飞
何裕舒
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722th Research Institute of CSIC
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722th Research Institute of CSIC
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/20Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/30Connection release
    • H04W76/34Selective release of ongoing connections
    • H04W76/36Selective release of ongoing connections for reassigning the resources associated with the released connections

Abstract

The invention discloses a ship communication method and device, and belongs to the technical field of communication. The method comprises the following steps: receiving an access instruction; accessing a user terminal into a connecting plate of a radio station according to an access instruction, wherein the user terminal is a telephone for communicating with a telephone in a ship; receiving a service call signaling sent by the user terminal, wherein the service call signaling comprises a service number; and inquiring a communication plan to determine a link relation formed by a plurality of radio stations corresponding to the service number, and establishing communication connection between the user terminal and the plurality of radio stations according to the determined link relation, wherein the communication plan comprises the corresponding relation between the service number of the communication service and the link relation formed by the plurality of radio stations for realizing the communication service. The invention realizes the communication between a commander on a shore line and an executive on a boat by a radio station by using a telephone.

Description

Ship communication method and device
Technical Field
The invention relates to the technical field of communication, in particular to a ship communication method and device.
Background
At present, the design of domestic ship communication is usually modularized according to service types. The service types are roughly divided into an internal service and an external service. The external communication service refers to communication service between radio stations in the ship and radio stations outside the ship, the internal communication service refers to all communication services except the external communication service, and the internal communication service includes communication service between telephones in the ship, communication service between a telephone in the ship and a telephone outside the ship, a conference in the ship, broadcasting in the ship and the like.
Due to the adoption of the modular design, the domestic existing ship communication adopts independent service flow, data structure and communication resource scheduling to respectively manage the internal communication service and the external communication service, and no communication service exists between the internal communication service and the external communication service. When a ship is sent by a sea police ship to go out for independent law enforcement, an executive on the ship can only communicate with a ship by carrying a backpack radio station, and meanwhile, a commander on a shore line can only communicate with the ship by a telephone.
Disclosure of Invention
In order to solve the problems in the prior art, the embodiment of the invention provides a method and a device for ship communication. The technical scheme is as follows:
in one aspect, an embodiment of the present invention provides a method for ship communication, where the method includes:
receiving an access instruction;
accessing a user terminal into a connecting plate of a radio station according to an access instruction, wherein the user terminal is a telephone for communicating with a telephone in a ship;
receiving a service call signaling sent by the user terminal, wherein the service call signaling comprises a service number;
and inquiring a communication plan to determine a link relation formed by a plurality of radio stations corresponding to the service number, and establishing communication connection between the user terminal and the plurality of radio stations according to the determined link relation, wherein the communication plan comprises the corresponding relation between the service number of the communication service and the link relation formed by the plurality of radio stations for realizing the communication service.
In a possible implementation manner of the present invention, the querying a communication plan to determine a link relationship formed by a plurality of radio stations corresponding to the service number, and establish a communication connection between the user terminal and the plurality of radio stations according to the determined link relationship includes:
receiving a service call signaling sent by a network element device connected with a first device, wherein the first device is the user terminal or the radio station;
when the first equipment is a user terminal, the second equipment is available, and the second equipment does not have the linked list of the service number, or when the first equipment is a radio station and the second equipment is available, the linked list is established for the second equipment;
when the first equipment is a user terminal, second equipment is available and the second equipment has the linked list of the service number, carrying out time slot connection on the second equipment and the first equipment and sending a service connection signaling to the first equipment;
when the second equipment is unavailable, sending a service release signaling to the first equipment;
wherein the second device is a device downstream of the first device in the link relationship.
Optionally, after the establishing a linked list for the second device, the querying a communication plan determines a link relationship formed by a plurality of radio stations corresponding to the service number, and establishes a communication connection between the user terminal and the plurality of radio stations according to the determined link relationship, further including:
querying a communication plan to determine a third device, the third device being a device downstream from the second device in the link relationship;
when the third equipment exists, sending a service call signaling to the network element equipment connected with the third equipment;
and when the third equipment does not exist, carrying out time slot connection on the second equipment and the first equipment according to the linked list of the first equipment and the linked list of the second equipment, and sending a service connection signaling to the first equipment.
Preferably, the querying a communication plan determines a link relationship formed by a plurality of radio stations corresponding to the service number, and establishes a communication connection between the user terminal and the plurality of radio stations according to the determined link relationship, further comprising:
when receiving a service connection signaling sent by a network element device connected with the third device, performing time slot connection on the second device and the first device according to the linked list of the first device and the linked list of the second device, and sending the service connection signaling to the first device;
and when receiving a service release signaling sent by the network element equipment connected with the third equipment, releasing the linked list of the second equipment and sending the service release signaling to the first equipment.
In another possible implementation manner of the present invention, the method further includes:
receiving a service release signaling sent by the user terminal;
when the fourth device establishes communication connection with a user terminal, cutting off the connection relation of the fourth device;
and when the fourth equipment establishes communication connection with at least two user terminals, the connection established between the fourth equipment and the user terminals is cut off.
In another aspect, an embodiment of the present invention provides an apparatus for ship communication, where the apparatus includes:
the first receiving module is used for receiving an access instruction;
the access module is used for accessing a user terminal into a connecting plate of a radio station according to an access instruction, wherein the user terminal is a telephone for communicating with a telephone in a ship;
a second receiving module, configured to receive a service call signaling sent by the user terminal, where the service call signaling includes a service number;
and the establishing module is used for inquiring a communication plan to determine a link relation formed by a plurality of radio stations corresponding to the service number and establishing communication connection between the user terminal and the plurality of radio stations according to the determined link relation, wherein the communication plan comprises the corresponding relation between the service number of the communication service and the link relation formed by the plurality of radio stations for realizing the communication service.
In one possible implementation manner of the present invention, the establishing module is configured to,
receiving a service call signaling sent by a network element device connected with a first device, wherein the first device is the user terminal or the radio station;
when the first equipment is a user terminal, the second equipment is available, and the second equipment does not have the linked list of the service number, or when the first equipment is a radio station and the second equipment is available, the linked list is established for the second equipment;
when the first equipment is a user terminal, second equipment is available and the second equipment has the linked list of the service number, carrying out time slot connection on the second equipment and the first equipment and sending a service connection signaling to the first equipment;
when the second equipment is unavailable, sending a service release signaling to the first equipment;
wherein the second device is a device downstream of the first device in the link relationship.
Optionally, the establishing module is further configured to,
after establishing the linked list for the second device, querying a communication plan to determine a third device, where the third device is a device located downstream of the second device in the link relationship;
when the third equipment exists, sending a service call signaling to the network element equipment connected with the third equipment;
and when the third equipment does not exist, carrying out time slot connection on the second equipment and the first equipment according to the linked list of the first equipment and the linked list of the second equipment, and sending a service connection signaling to the first equipment.
Preferably, the establishing means is further adapted to,
when receiving a service connection signaling sent by a network element device connected with the third device, performing time slot connection on the second device and the first device according to the linked list of the first device and the linked list of the second device, and sending the service connection signaling to the first device;
and when receiving a service release signaling sent by the network element equipment connected with the third equipment, releasing the linked list of the second equipment and sending the service release signaling to the first equipment.
In another possible implementation manner of the present invention, the apparatus further includes:
a third receiving module, configured to receive a service release signaling sent by the user equipment;
the disconnection module is used for disconnecting the connection relation of the fourth equipment when the fourth equipment establishes communication connection with a user terminal; and when the fourth equipment establishes communication connection with at least two user terminals, the connection established between the fourth equipment and the user terminals is cut off.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
by receiving the access instruction, accessing the user terminal into the connecting board of the radio station according to the access instruction, simulating the telephone communicating with the telephone in the ship as the radio station, getting through the barrier that the communication between the internal communication service and the external communication service of the ship cannot be realized, and converting the wired connection into the wireless connection, the communication between the telephone adopted by the commander on the shore line and the radio station adopted by the executor on the boat can be realized.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of a method for ship communication according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a communication system according to an embodiment of the present invention;
fig. 3 is a flowchart of a ship communication device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example one
The embodiment of the invention provides a ship communication method, and with reference to fig. 1, the method comprises the following steps:
step 101: and the network element equipment receives the access instruction.
In practical application, a telephone on the shore line sends a communication request to a specific port in a ship, a console rings correspondingly, and if a worker goes off the phone at the console and inputs an access instruction, such as a #, the telephone on the shore line can be used as a telephone on the ship to communicate by using a radio station.
Step 102: and the network element equipment accesses the user terminal to a connecting plate of the radio station according to the access instruction.
In this embodiment, the user terminal is a telephone that communicates with a telephone within the ship, such as a telephone on the shore line.
Referring to fig. 2, the communication system applicable to this embodiment includes a network management server 1, a network element device 2, a radio station 3, and a user terminal 4 such as a command telephone and a service telephone. The network management server 1 is responsible for configuration and issuing of a communication plan, monitoring the state of communication services, providing information required for establishing a linked list for a radio station, and the like. The network element device 2 includes a main control board, an interface board, a relay board, etc., and the main control board is mainly responsible for analyzing and issuing a communication plan, collecting and maintaining communication resources and communication link state information, and performing logic processing and time slot exchange of corresponding services according to actual services. The interface board is responsible for controlling and managing the radio stations, and the relay board is responsible for handling the interaction with the shore line telephone. The user terminal is accessed to the connection board of the radio station, namely, the time slot exchange is carried out between the interface board and the relay board.
Step 103: and the user terminal sends a service call signaling to the network element equipment.
In this embodiment, the service call signaling includes a service number.
Step 104: and inquiring the communication plan to determine a link relation formed by a plurality of radio stations corresponding to the service number, and establishing communication connection between the user terminal and the plurality of radio stations according to the determined link relation.
In this embodiment, the functions implemented by each of the plurality of stations are different, and some stations are used for receiving, some for sending, and some for encrypting. In practical application, according to various communication service requirements, the station composition link relation is selected to configure a communication plan so as to string the stations with required functions for use. The communication plan includes a correspondence between a service number of the communication service and a link relationship composed of a plurality of stations that realize the communication service. Specifically, the communication plan may include link relationships corresponding to the service numbers, parameters (channel number, frequency, squelch, operation mode) of the radio station, and the like.
For example, the link relationship corresponding to the service number in the communication plan is station 1+ station 2, the user terminal uses the time slot 1 to intersect with the time slot 2 of the upstream station 1, the time slot 3 of the downstream station 1 intersects with the time slot 2 of the upstream station, the user terminal and the station 2 are equivalent to a call state, then the station 2 works at a specific frequency, and can communicate with another station in the same frequency, so that the user terminal can communicate with another ship.
The time slot exchange is to convert the voice signal into digital signal based on the program controlled exchanger principle and to transmit data between different users via digital exchange network. In a digital SPC exchange, voice signals from different subscribers or analog trunks are first converted to digital signals and multiplexed onto different Pulse Code Modulation (PCM) multiplexing lines before being connected to an internal digital switching network. In order to realize communication between different users, the digital switching network must complete the exchange of different time slots between different multiplexing lines, i.e. the content of a certain time slot on a certain input multiplexing line of the digital switching network is exchanged to a specified time slot on a specified output multiplexing line.
In practical application, a communication plan is configured in a communication service server in advance, and the communication service server issues the communication plan to the network element device. The main control board of the network element equipment analyzes the communication plan and issues the analysis result to the interface board of the network element equipment. And the interface board of the network element equipment receives the analysis result and responds to the main control board of the network element equipment. And if the response of the interface board of the network element equipment indicates that the receiving fails, the main control board of the network element equipment sends the analysis result to the interface board of the network element equipment again.
In one implementation of this embodiment, this step 104 may include two processes, namely, link list establishment and slot splicing. In the process of establishing the linked list, according to the link sequence, the network element equipment connected with each radio station establishes the linked list for the respective connected radio station according to the received service call signaling, and sends the service call signaling to the network element equipment connected with the radio station at the downstream of the respective connected radio station. In the time slot connection process, according to the reverse sequence of the link, the network element equipment connected with each radio station performs time slot connection on the radio station connected with the network element equipment and the radio station at the upstream of the radio station according to the established linked list, and sends a service connection signaling to the radio station at the upstream of the radio station connected with the network element equipment.
Specifically, this step 104 may include:
receiving a service call signaling sent by network element equipment connected with first equipment, wherein the first equipment is a user terminal or a radio station;
when the first equipment is a user terminal, the second equipment is available and the second equipment does not have a linked list of service numbers, or when the first equipment is a radio station and the second equipment is available, the linked list is established for the second equipment;
when the first equipment is a user terminal, the second equipment is available and has a linked list of service numbers, carrying out time slot connection on the second equipment and the first equipment and sending a service connection signaling to the first equipment;
when the second equipment is unavailable, sending a service release signaling to the first equipment;
wherein the second device is a device downstream of the first device in the link relationship.
It should be noted that, in the prior art, after receiving a service call signaling sent by a user terminal, each radio station automatically calls a downstream radio station according to a communication plan, and the radio station has a single function, and can only support a single-chain user, and other user terminals need to remove an original communication link when using the same communication service, and thus the use is not flexible. In the embodiment, when a plurality of user terminals use the same communication service, the communication connection is directly established between the plurality of user terminals and the most upstream radio station in a plurality of radio stations corresponding to the same service number, multi-user parallel communication is supported, the utilization rate of communication resources is improved, the defect that the conventional ship communication is inflexible in use is overcome, the flexibility, convenience and applicability of ship communication are enhanced, and the ship communication has high flexibility and portability.
In order to realize the multi-user parallel connection, when the linked list is established for the downstream radio station of the user terminal, whether the linked list with the same service number exists in the radio station is also checked in addition to the consideration of availability, if the linked list exists, the service is used by the existing user terminal, the communication link of the service is established, and at the moment, the communication connection is established only by establishing the communication connection between the radio station and the user terminal; if not, it indicates that no user terminal is using the service, and at this time, the processing is performed according to a normal mode. In addition, the invention also improves the steps of link cleaning correspondingly, and the details are shown in the corresponding parts below.
In practical application, the linked list includes device identifier, service number, priority, link state, number of link points, number of link head users, station number, polling frequency, etc. Further, when time slot connection is performed, Pulse Code Modulation (PCM) and time slot used by the device can be searched in the basic configuration through the device identifier, so as to provide a basis for time slot connection.
Further, after establishing the linked list for the second device, the step 104 may further include:
the network element equipment connected with the second equipment inquires the communication plan to determine third equipment, wherein the third equipment is equipment positioned at the downstream of the second equipment in the link relation;
when the third equipment exists, the network element equipment connected with the second equipment sends a service call signaling to the network element equipment connected with the third equipment;
and when the third equipment does not exist, the network element equipment connected with the second equipment performs time slot connection on the second equipment and the first equipment according to the linked list of the first equipment and the linked list of the second equipment, and sends a service connection signaling to the first equipment.
Still further, the step 104 may further include:
when receiving a service connection signaling sent by network element equipment connected with third equipment, the network element equipment connected with the second equipment performs time slot connection on the second equipment and the first equipment according to the linked list of the first equipment and the linked list of the second equipment, and sends the service connection signaling to the first equipment;
when receiving a service release signaling sent by the network element equipment connected with the third equipment, the network element equipment connected with the second equipment releases the linked list of the second equipment and sends the service release signaling to the network element equipment connected with the first equipment.
In another implementation manner of this embodiment, the method may further include:
the network element equipment connected with the fourth equipment receives a service release signaling sent by the user terminal;
when the fourth device establishes communication connection with a user terminal, the network element device connected with the fourth device cuts off the connection relation of the fourth device;
and when the fourth device establishes communication connection with at least two user terminals, the network element device connected with the fourth device cuts off the connection between the fourth device and the user terminals.
It should be noted that, when the user hangs up, the user terminal may issue a service release instruction to cut off the established communication connection and release the communication resource. Meanwhile, the invention considers the condition that a plurality of users use the same communication link in parallel to realize the same service, judges whether the fourth equipment establishes communication connection with a plurality of user terminals, and only disconnects the communication connection with the user terminal which sends the service release signaling when the plurality of users are in parallel connection.
In another implementation manner of this embodiment, the method may further include:
and when the heartbeat signaling sent by the second equipment is not received within the set time, cutting off the communication connection of the second equipment, and sending a service release signaling to the first equipment, wherein the second equipment is equipment positioned at the downstream of the first equipment in the link relation.
It should be noted that, through the heartbeat signaling, it can be found in time when the radio station fails, and the communication resources are reasonably configured.
The embodiment of the invention receives the access instruction, accesses the user terminal into the connecting plate of the radio station according to the access instruction, simulates the telephone which is communicated with the telephone in the ship into the radio station, gets through the barrier that the communication between the internal communication service and the external communication service of the existing ship cannot be realized, and changes the wired connection into the wireless connection, thereby realizing the communication between the commander on the shore line and the executor on the boat by adopting the radio station by adopting the telephone.
Example two
An embodiment of the present invention provides a device for ship communication, and referring to fig. 3, the device includes:
a first receiving module 201, configured to receive an access instruction;
the access module 202 is used for accessing a user terminal into a connecting board of a radio station according to an access instruction, wherein the user terminal is a telephone for communicating with a telephone in a ship;
a second receiving module 203, configured to receive a service call signaling sent by a user terminal, where the service call signaling includes a service number;
the establishing module 204 is configured to query a communication plan to determine a link relationship formed by a plurality of radio stations corresponding to the service number, and establish a communication connection between the user terminal and the plurality of radio stations according to the determined link relationship, where the communication plan includes a corresponding relationship between the service number of the communication service and the link relationship formed by the plurality of radio stations implementing the communication service.
In one implementation of this embodiment, the setup module 204 may be configured to,
receiving a service call signaling sent by network element equipment connected with first equipment, wherein the first equipment is a user terminal or a radio station;
when the first equipment is a user terminal, the second equipment is available and the second equipment does not have a linked list of service numbers, or when the first equipment is a radio station and the second equipment is available, the linked list is established for the second equipment;
when the first equipment is a user terminal, the second equipment is available and has a linked list of service numbers, carrying out time slot connection on the second equipment and the first equipment and sending a service connection signaling to the first equipment;
when the second equipment is unavailable, sending a service release signaling to the first equipment;
wherein the second device is a device downstream of the first device in the link relationship.
Optionally, the setup module 204 may also be configured to,
after establishing a linked list for the second device, inquiring the communication plan to determine a third device, wherein the third device is a device positioned at the downstream of the second device in the link relation;
when the third equipment exists, sending a service call signaling to the network element equipment connected with the third equipment;
and when the third equipment does not exist, carrying out time slot connection on the second equipment and the first equipment according to the linked list of the first equipment and the linked list of the second equipment, and sending a service connection signaling to the first equipment.
Preferably, the setup module 204 may be configured to,
when receiving a service connection signaling sent by network element equipment connected with third equipment, carrying out time slot connection on the second equipment and the first equipment according to the linked list of the first equipment and the linked list of the second equipment, and sending the service connection signaling to the first equipment;
and when receiving a service release signaling sent by the network element equipment connected with the third equipment, releasing the linked list of the second equipment and sending the service release signaling to the first equipment.
In another implementation manner of this embodiment, the apparatus may further include:
a third receiving module 205, configured to receive a service release signaling sent by a user equipment;
a cutting-off module 206, configured to cut off a connection relationship between the fourth device and a user terminal when the fourth device establishes a communication connection with the user terminal; and when the fourth equipment establishes communication connection with at least two user terminals, the connection established between the fourth equipment and the user terminals is cut off.
The embodiment of the invention receives the access instruction, accesses the user terminal into the connecting plate of the radio station according to the access instruction, simulates the telephone which is communicated with the telephone in the ship into the radio station, gets through the barrier that the communication between the internal communication service and the external communication service of the existing ship cannot be realized, and changes the wired connection into the wireless connection, thereby realizing the communication between the commander on the shore line and the executor on the boat by adopting the radio station by adopting the telephone.
It should be noted that: the device for ship communication provided by the above embodiment is exemplified by only the division of the above functional modules when ship communication is performed, and in practical application, the above function distribution can be completed by different functional modules as required, that is, the internal structure of the device is divided into different functional modules to complete all or part of the above described functions. In addition, the embodiment of the method for ship communication and the device for ship communication provided by the above embodiment belong to the same concept, and the specific implementation process is detailed in the embodiment of the method and is not described herein again.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. A method of ship communication, the method comprising:
the network element equipment receives an access instruction;
the network element equipment accesses a user terminal into a connecting plate of a radio station according to an access instruction, the user terminal is a telephone on a shoreline, the shoreline can only communicate with a ship through the telephone, and the user terminal is accessed into the connecting plate of the radio station, so that the telephone on the shoreline is used as the telephone on the ship to communicate by using the radio station;
the network element equipment receives a service call signaling sent by the user terminal, wherein the service call signaling comprises a service number;
and the network element equipment inquires a communication plan to determine a link relation formed by a plurality of radio stations corresponding to the service number, and establishes communication connection between the user terminal and the plurality of radio stations according to the determined link relation, wherein the communication plan comprises the corresponding relation between the service number of the communication service and the link relation formed by the plurality of radio stations for realizing the communication service.
2. The method of claim 1, wherein the network element device queries a communication plan to determine a link relationship between a plurality of radio stations corresponding to the service number, and establishes a communication connection between the user terminal and the plurality of radio stations according to the determined link relationship, including:
a network element device connected with a second device receives a service call signaling sent by a network element device connected with a first device, wherein the first device is the user terminal or the radio station;
when the first device is a user terminal, the second device is available, and the second device does not have the linked list of the service number, or when the first device is a radio station and the second device is available, the network element device connected with the second device establishes the linked list for the second device;
when the first device is a user terminal, the second device is available, and the second device has the linked list of the service number, the network element device connected with the second device performs time slot connection on the second device and the first device, and sends a service connection signaling to the first device;
when the second device is unavailable, the network element device connected with the second device sends a service release signaling to the first device;
wherein the second device is a device downstream of the first device in the link relationship.
3. The method according to claim 2, wherein after the network element device connected to the second device establishes the linked list for the second device, the network element device queries a communication plan to determine a link relationship between a plurality of radio stations corresponding to the service number, and establishes communication connections between the user terminal and the plurality of radio stations according to the determined link relationship, further comprising:
the network element device connected with the second device queries a communication plan to determine a third device, where the third device is a device located downstream of the second device in the link relationship;
when the third device exists, the network element device connected with the second device sends a service call signaling to the network element device connected with the third device;
and when the third device does not exist, the network element device connected with the second device performs time slot connection on the second device and the first device according to the linked list of the first device and the linked list of the second device, and sends a service connection signaling to the first device.
4. The method of claim 3, wherein the network element device queries a communication plan to determine a link relationship between a plurality of radio stations corresponding to the service number, and establishes a communication connection between the user terminal and the plurality of radio stations according to the determined link relationship, further comprising:
when receiving a service connection signaling sent by the network element equipment connected with the third equipment, the network element equipment connected with the second equipment performs time slot connection on the second equipment and the first equipment according to the linked list of the first equipment and the linked list of the second equipment, and sends the service connection signaling to the first equipment;
and when receiving a service release signaling sent by the network element equipment connected with the third equipment, the network element equipment connected with the second equipment releases the linked list of the second equipment and sends the service release signaling to the first equipment.
5. The method according to any one of claims 1-4, further comprising:
the network element equipment connected with the fourth equipment receives the service release signaling sent by the user terminal;
when the fourth device establishes a communication connection with a user terminal, the network element device connected with the fourth device cuts off the connection relation of the fourth device;
and when the fourth device establishes communication connection with at least two user terminals, the network element device connected with the fourth device cuts off the connection between the fourth device and the user terminal sending the service release signaling.
6. An apparatus for ship communication, wherein the apparatus is a network element device, and the apparatus comprises:
the first receiving module is used for receiving an access instruction;
the access module is used for accessing a user terminal into a connecting plate of a radio station according to an access instruction, wherein the user terminal is a telephone on a shoreline, the shoreline can only communicate with a ship through the telephone, and the user terminal is accessed into the connecting plate of the radio station to enable the telephone on the shoreline to serve as the telephone on the ship to communicate by using the radio station;
a second receiving module, configured to receive a service call signaling sent by the user terminal, where the service call signaling includes a service number;
and the establishing module is used for inquiring a communication plan to determine a link relation formed by a plurality of radio stations corresponding to the service number and establishing communication connection between the user terminal and the plurality of radio stations according to the determined link relation, wherein the communication plan comprises the corresponding relation between the service number of the communication service and the link relation formed by the plurality of radio stations for realizing the communication service.
7. The apparatus of claim 6, wherein the apparatus is a network element device to which the second device is connected, and wherein the establishing module is configured to,
receiving a service call signaling sent by a network element device connected with a first device, wherein the first device is the user terminal or the radio station;
when the first equipment is a user terminal, the second equipment is available, and the second equipment does not have the linked list of the service number, or when the first equipment is a radio station and the second equipment is available, the linked list is established for the second equipment;
when the first equipment is a user terminal, second equipment is available and the second equipment has the linked list of the service number, carrying out time slot connection on the second equipment and the first equipment and sending a service connection signaling to the first equipment;
when the second equipment is unavailable, sending a service release signaling to the first equipment;
wherein the second device is a device downstream of the first device in the link relationship.
8. The apparatus of claim 7, wherein the establishing module is further configured to,
after establishing the linked list for the second device, querying a communication plan to determine a third device, where the third device is a device located downstream of the second device in the link relationship;
when the third equipment exists, sending a service call signaling to the network element equipment connected with the third equipment;
and when the third equipment does not exist, carrying out time slot connection on the second equipment and the first equipment according to the linked list of the first equipment and the linked list of the second equipment, and sending a service connection signaling to the first equipment.
9. The apparatus of claim 8, wherein the establishing module is further configured to,
when receiving a service connection signaling sent by a network element device connected with the third device, performing time slot connection on the second device and the first device according to the linked list of the first device and the linked list of the second device, and sending the service connection signaling to the first device;
and when receiving a service release signaling sent by the network element equipment connected with the third equipment, releasing the linked list of the second equipment and sending the service release signaling to the first equipment.
10. The apparatus of claim 6, wherein the apparatus is a network element device to which a fourth device is connected, the apparatus further comprising:
a third receiving module, configured to receive a service release signaling sent by the user equipment;
the disconnection module is used for disconnecting the connection relation of the fourth equipment when the fourth equipment establishes communication connection with a user terminal; and when the fourth equipment establishes communication connection with at least two user terminals, the connection established between the fourth equipment and the user terminal sending the service release signaling is cut off.
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