CN116567584B - Ship and shore-based communication method and system - Google Patents
Ship and shore-based communication method and system Download PDFInfo
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- CN116567584B CN116567584B CN202310845389.9A CN202310845389A CN116567584B CN 116567584 B CN116567584 B CN 116567584B CN 202310845389 A CN202310845389 A CN 202310845389A CN 116567584 B CN116567584 B CN 116567584B
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- 238000004891 communication Methods 0.000 title claims abstract description 194
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 57
- 230000002159 abnormal effect Effects 0.000 claims abstract description 29
- 230000002618 waking effect Effects 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 8
- 230000005856 abnormality Effects 0.000 claims description 6
- 238000012790 confirmation Methods 0.000 claims description 4
- 230000015654 memory Effects 0.000 description 15
- 238000004590 computer program Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- 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
- H04W84/06—Airborne or Satellite Networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention relates to the technical field of ship communication, and particularly discloses a method and a system for ship and shore-based communication, wherein the method comprises the following steps: acquiring ship operation data transmitted by base station communication, and primarily identifying the ship operation data transmitted by the base station communication to obtain classification information; if the classification information is abnormal, waking up satellite communication to synchronously transmit ship operation data; carrying out secondary identification on the ship operation data transmitted by the base station communication and the ship operation data synchronously transmitted by the satellite communication to obtain fault information; generating and sending a rescue alarm signal according to the fault information; the invention has the advantages that the data transmission process is stable, when the ship operation data transmitted by the base station communication are normal, the satellite communication is in a sleep state, the satellite communication transmission can be reduced, the use cost is reduced, and the invention can also judge whether the ship operation has faults.
Description
Technical Field
The invention relates to the technical field of ship communication, in particular to a method and a system for ship and shore-based communication.
Background
With the development of society, the development and utilization of ocean resources are increasingly important, ships are required to be used in the ocean resource development process, ship communication is critical to navigation safety, a guarantee center is usually established on shore, operation data of a working ship is transmitted through a mobile communication network system, the operation data of the working ship is received in real time by the guarantee center, the operation state of the ship is determined through real-time monitoring and identification of the operation data of the working ship, and the ship is rescued when the ship is monitored to be out of order.
The existing communication network system for ships generally adopts a single satellite to transmit data or adopts an offshore wireless base station to transmit data, and the data is easily transmitted by the offshore wireless base station to form a communication blind area due to geographical obstacle, so that a guarantee center cannot receive the data in real time, the running state of the ship cannot be determined, certain potential safety hazards exist.
Disclosure of Invention
The invention aims to provide a method and a system for communication between a ship and a shore base, which are used for solving the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a method of ship to shore based communication comprising the steps of:
acquiring ship operation data transmitted by base station communication, and primarily identifying the ship operation data transmitted by the base station communication to obtain classification information; the classification information includes normal and abnormal;
if the classification information is abnormal, waking up satellite communication to synchronously transmit ship operation data;
carrying out secondary identification on the ship operation data transmitted by the base station communication and the ship operation data synchronously transmitted by the satellite communication to obtain fault information;
and generating and sending a rescue alarm signal according to the fault information.
As a further scheme of the invention: the step of obtaining the ship operation data transmitted by the base station communication, and performing primary identification on the ship operation data transmitted by the base station communication to obtain the classification information comprises the following steps:
acquiring ship operation data transmitted by base station communication, wherein the ship operation data comprises operation parameters, position information and signal strength of ship equipment;
comparing ship operation data transmitted by the base station communication with preset data conditions; the data conditions comprise standard parameters of ship equipment corresponding to the operation parameters, kinematic parameters corresponding to the position information and an intensity threshold corresponding to the signal intensity;
when the ship operation data transmitted by the base station in a communication way accords with preset data conditions, the ship operation data is inserted into a first database;
when the ship operation data transmitted by the base station do not accord with the preset data conditions, the ship operation data are inserted into a second database;
the data in the first database is normal, and the data in the second database is abnormal.
As a further scheme of the invention: if the classification information is abnormal, the step of waking up the satellite communication to synchronously transmit the ship operation data comprises the following steps:
determining sampling points according to a preset time step, and matching data in a first database and a second database according to the sampling points;
if the matching in the first database is successful and the matching in the second database is failed, a satellite communication transmission sleep request is sent;
if the matching in the first database fails and the matching in the second database is successful, a satellite communication transmission awakening request is sent;
if the matching in the first database is successful and the matching in the second database is successful, generating a detection request pointing to the primary identification; at this time, on the basis of sending a satellite communication transmission wake-up request, a detection request pointing to the primary identification is additionally generated;
if the matching in the first database fails and the matching in the second database fails, generating a detection request pointing to the communication transmission process of the base station; at this time, on the basis of sending a satellite communication transmission wake-up request, a detection request pointing to a base station communication transmission process is additionally generated;
when the satellite communication transmission wake-up request is responded, a satellite communication transmission data channel is established, and ship operation data transmitted by satellite communication are received.
As a further scheme of the invention: the step of secondarily identifying the ship operation data transmitted by the base station communication and the ship operation data synchronously transmitted by the satellite communication to obtain fault information comprises the following steps:
performing logical exclusive OR operation on ship operation data transmitted by base station communication and ship operation data synchronously transmitted by satellite communication;
when the exclusive or operation result is zero, judging that the ship operation fails;
when the exclusive or operation result is one, comparing the ship operation data synchronously transmitted by the satellite communication with preset data conditions, and judging whether abnormality exists according to the comparison result; the anomaly is considered a fault.
As a further scheme of the invention: the step of performing secondary identification on the ship operation data transmitted by the base station communication and the ship operation data synchronously transmitted by the satellite communication to obtain fault information further comprises the following steps:
when the exclusive or operation result is one, historical ship operation data is fetched;
comparing the historical ship operation data with the current ship operation data;
and if the current ship operation data is contained in the historical ship operation data, reading the position information in the ship operation data, and marking the position information as a transmission blind area.
As a further scheme of the invention: when the ship runs to a non-transmission blind area, and the ship running data transmitted by the base station communication are the same as the ship running data transmitted by the satellite communication, the satellite communication is enabled to be in a sleep state.
As a further scheme of the invention: the step of generating and sending a rescue alarm signal according to the fault information comprises the following steps:
when the operation of the ship is judged to be faulty, sending a call connection request to the target ship;
when the call connection request is responded, establishing a call connection state with the target ship, and establishing a voice transmission channel;
and receiving voice confirmation information fed back by the target ship through the voice transmission channel, and generating and sending a rescue alarm signal.
Another object of the present invention is to provide a system for ship to shore based communication, the system comprising:
the primary identification module is used for acquiring the ship operation data transmitted by the base station communication, and carrying out primary identification on the ship operation data transmitted by the base station communication to obtain classification information; the classification information includes normal and abnormal;
the satellite wake-up module is used for waking up satellite communication to synchronously transmit ship operation data if the classification information is abnormal;
the fault judging module is used for carrying out secondary identification on the ship operation data transmitted by the base station communication and the ship operation data synchronously transmitted by the satellite communication to obtain fault information;
and the rescue alarm module is used for generating and sending a rescue alarm signal according to the fault information.
As a further scheme of the invention: the failure determination module includes:
the data operation unit is used for carrying out logical exclusive OR operation on the ship operation data transmitted by the base station communication and the ship operation data synchronously transmitted by the satellite communication;
the fault judging unit is used for judging that the ship operation is faulty when the exclusive OR operation result is zero;
the data comparison unit is used for comparing the ship operation data synchronously transmitted by the satellite communication with preset data conditions when the exclusive or operation result is one, and judging whether abnormality exists according to the comparison result; the anomaly is considered a fault.
As a further scheme of the invention: the failure determination module further includes:
the data calling unit is used for calling historical ship operation data when the exclusive or operation result is one;
the secondary comparison unit is used for comparing the historical ship operation data with the current ship operation data;
and the blind area marking unit is used for reading the position information in the ship operation data and marking the position information as a transmission blind area if the current ship operation data is contained in the historical ship operation data.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the base station communication is matched with the satellite communication to transmit the ship operation data, so that the ship operation state can be accurately judged while stable transmission of the data is realized, when the ship operation data transmitted by the base station communication is normal, the satellite communication is in a sleep state, the satellite communication transmission can be reduced, the use cost is reduced, when the ship operation data transmitted by the base station communication is abnormal, the satellite communication can be awakened in real time, the satellite communication transmission data is compared with the base station communication transmission data and preset data conditions, whether the ship operation fails can be judged, and in addition, the transmission blind area can be marked by comparing the historical ship operation data with the current ship operation data.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
FIG. 1 is a flow diagram of a method of ship to shore based communication.
Fig. 2 is a flow chart of the steps for identifying base station communication transmission data in a method for communicating a ship with a shore base.
Fig. 3 is a flow chart of the steps for waking up satellite communication transmissions in a method of marine and shore-based communication.
Fig. 4 is a flow chart of the steps of fault determination in a method of ship to shore based communication.
Fig. 5 is a block flow diagram of the steps of a rescue alarm in a method of communicating a ship with shore.
Fig. 6 is a block diagram of a system for ship to shore based communication.
Fig. 7 is a block diagram of the failure determination module in the system of ship and shore based communication.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, an embodiment of the present invention provides a method for communicating between a ship and shore, including the steps of:
step S100, ship operation data transmitted by base station communication are obtained, and primary identification is carried out on the ship operation data transmitted by the base station communication, so as to obtain classification information; the classification information includes normal and abnormal;
step S200, if the classification information is abnormal, waking up satellite communication to synchronously transmit ship operation data;
step S300, carrying out secondary identification on the ship operation data transmitted by the base station communication and the ship operation data synchronously transmitted by the satellite communication to obtain fault information;
and step S400, generating and sending a rescue alarm signal according to the fault information.
In the embodiment of the invention, in the ship navigation process, the ship operation data is transmitted by adopting base station communication and satellite communication, so that stable transmission of the data is realized, and meanwhile, the ship operation state can be accurately judged, and the specific communication method is as follows:
the base station communication is in a constant transmission state, ship operation data transmitted by the base station communication are obtained, and the ship operation data transmitted by the base station communication are primarily identified to obtain classification information; the classification information includes normal and abnormal; the classification information is normal, the satellite communication is in a sleep state, if the classification information is abnormal, the satellite communication is awakened to synchronously transmit ship operation data, and the base station communication and the satellite communication respectively transmit the ship operation data; and carrying out secondary identification on the ship operation data transmitted by the base station communication and the ship operation data synchronously transmitted by the satellite communication to obtain fault information, generating and sending rescue alarm signals according to the fault information, and carrying out rescue on the ship through the rescue alarm signals.
As shown in fig. 2, as a preferred embodiment of the present invention, the step of obtaining the ship operation data transmitted by the base station communication, and performing the primary identification on the ship operation data transmitted by the base station communication, to obtain the classification information includes:
step S101, ship operation data transmitted by base station communication are obtained, wherein the ship operation data comprise operation parameters, position information and signal intensity of ship equipment;
step S102, comparing ship operation data transmitted by base station communication with preset data conditions; the data conditions comprise standard parameters of ship equipment corresponding to the operation parameters, kinematic parameters corresponding to the position information and an intensity threshold corresponding to the signal intensity;
step S103, when the ship operation data transmitted by the base station in a communication way accords with preset data conditions, the ship operation data is inserted into a first database;
step S104, when the ship operation data transmitted by the base station does not accord with the preset data conditions, the ship operation data is inserted into a second database;
the data in the first database is normal, and the data in the second database is abnormal.
In the embodiment of the invention, in the running process of the ship, ship running data transmitted by communication of a base station are always acquired, wherein the ship running data comprise running parameters, position information and signal strength of ship equipment, and the running parameters of the ship equipment comprise equipment pressure, equipment temperature and the like; comparing ship operation data transmitted by the base station communication with preset data conditions; the data conditions comprise standard parameters of ship equipment corresponding to the operation parameters, kinematic parameters corresponding to the position information and an intensity threshold corresponding to the signal intensity; when the ship operation data transmitted by the base station in a communication way accords with preset data conditions, the ship operation data is inserted into a first database; when the ship operation data transmitted by the base station do not accord with preset data conditions, the ship operation data are inserted into a second database, wherein the data in the first database are normal, the data in the second database are abnormal, if the data are normal, the satellite communication is in a sleep state, and if the data are abnormal, the satellite communication is awakened to synchronously transmit the ship operation data.
As shown in fig. 3, as a preferred embodiment of the present invention, the step of waking up satellite communication to synchronously transmit the ship operation data if the classification information is abnormal includes:
step S201, determining sampling points according to a preset time step, and matching data in a first database and a second database according to the sampling points;
step S202, if the matching in the first database is successful and the matching in the second database is failed, a satellite communication transmission sleep request is sent;
step S203, if the matching in the first database fails and the matching in the second database succeeds, a satellite communication transmission awakening request is sent;
step S204, if the matching in the first database is successful and the matching in the second database is successful, generating a detection request pointing to the primary identification; at this time, on the basis of sending a satellite communication transmission wake-up request, a detection request pointing to the primary identification is additionally generated;
step S205, if the matching in the first database fails and the matching in the second database fails, a detection request pointing to the communication transmission process of the base station is generated; at this time, on the basis of sending a satellite communication transmission wake-up request, a detection request pointing to a base station communication transmission process is additionally generated;
in step S206, when the wake-up request for satellite communication transmission is responded, a satellite communication transmission data channel is established, and the ship operation data transmitted by satellite communication is received.
In the embodiment of the invention, when the ship operation data transmitted by the base station communication is classified as abnormal, the sampling point is determined according to the preset time step, the data is matched in the first database and the second database according to the sampling point, whether a satellite communication transmission awakening request is sent or not is determined according to the matching result, when the satellite communication transmission awakening request is responded, a satellite communication transmission data channel is established, the ship operation data transmitted by the satellite communication is received, and therefore, when the ship operation data transmitted by the base station communication is classified as abnormal, the synchronous transmission data can be transmitted through the satellite communication.
As shown in fig. 4, as a preferred embodiment of the present invention, the step of performing secondary identification on the ship operation data transmitted by the base station communication and the ship operation data transmitted by the satellite communication synchronously, to obtain fault information includes:
step S301, performing logical exclusive OR operation on ship operation data transmitted by base station communication and ship operation data synchronously transmitted by satellite communication;
step S302, when the exclusive OR operation result is zero, judging that the ship operation fails;
step S303, when the exclusive OR operation result is one, comparing the ship operation data synchronously transmitted by the satellite communication with preset data conditions, and judging whether abnormality exists according to the comparison result; the anomaly is considered a fault.
In the embodiment of the invention, after the satellite communication is awakened, carrying out logic exclusive OR operation on ship operation data transmitted by the base station communication and ship operation data synchronously transmitted by the satellite communication, judging that the ship operation is faulty when the exclusive OR operation result is zero, comparing the ship operation data synchronously transmitted by the satellite communication with preset data conditions when the exclusive OR operation result is one, and judging whether the ship operation data synchronously transmitted by the satellite communication is abnormal according to the comparison result; the anomaly is considered a fault.
As shown in fig. 4, as a preferred embodiment of the present invention, the step of performing secondary identification on the ship operation data transmitted by the base station communication and the ship operation data synchronously transmitted by the satellite communication, to obtain fault information further includes:
step S304, when the exclusive OR operation result is one, the historical ship operation data is fetched;
step S305, comparing the historical ship operation data with the current ship operation data;
step S306, if the current ship operation data is included in the historical ship operation data, the position information in the ship operation data is read, and the position information is marked as a transmission blind area.
In the embodiment of the invention, the ship operation data transmitted by the base station communication and the ship operation data synchronously transmitted by the satellite communication are subjected to logical exclusive OR operation, when the exclusive OR operation result is one, the history ship operation data is fetched, the history ship is of the same model as the current ship and the same navigation route, the fetched operation data is of the same road section, if the current ship operation data is contained in the history ship operation data, the position information in the ship operation data is read, and the position information is marked as a transmission blind area.
As a preferable embodiment of the invention, when the ship runs to a non-transmission blind area, and the ship running data transmitted by the base station communication is the same as the ship running data transmitted by the satellite communication, the satellite communication is enabled to resume the sleep state.
As shown in fig. 5, as a preferred embodiment of the present invention, the step of generating and transmitting a rescue alarm signal according to the fault information includes:
step S401, when judging that the ship operation fails, sending a call connection request to a target ship;
step S402, when the call connection request is responded, establishing a call connection state with the target ship, and establishing a voice transmission channel;
step S403, receiving voice confirmation information fed back by the target ship through the voice transmission channel, and generating and sending a rescue alarm signal.
In the embodiment of the invention, through identifying the ship operation data transmitted by the base station communication and the satellite communication, when the ship operation is judged to be faulty, a call connection request is sent to the target ship, and when the call connection request is not responded, a rescue alarm signal is directly generated and sent; when the call connection request is responded, establishing a call connection state with the target ship, and establishing a voice transmission channel; and receiving voice confirmation information fed back by the target ship through the voice transmission channel, generating and sending a rescue alarm signal, and carrying out rescue on the ship.
As shown in fig. 6, the present invention also provides a system for ship to shore based communication, the system comprising:
the primary identification module 100 is configured to obtain ship operation data transmitted by the base station, and perform primary identification on the ship operation data transmitted by the base station to obtain classification information; the classification information includes normal and abnormal;
the satellite wake-up module 200 is configured to wake up the satellite communication to synchronously transmit the ship operation data if the classification information is abnormal;
the fault judging module 300 is configured to perform secondary identification on the ship operation data transmitted by the base station communication and the ship operation data synchronously transmitted by the satellite communication, so as to obtain fault information;
and the rescue alarm module 400 is used for generating and sending a rescue alarm signal according to the fault information.
In the embodiment of the invention, a system for communication between a ship and a shore is provided, wherein a primary identification module 100 acquires ship operation data transmitted by base station communication, and performs primary identification on the ship operation data transmitted by the base station communication to obtain classification information; the classification information includes normal and abnormal; if the classification information is abnormal, the satellite wake-up module 200 wakes up the satellite communication to synchronously transmit the ship operation data; the fault determination module 300 is configured to perform secondary identification on the ship operation data transmitted by the base station communication and the ship operation data synchronously transmitted by the satellite communication, so as to obtain fault information; rescue alarm module 400 is configured to generate and send a rescue alarm signal according to the fault information.
As shown in fig. 7, as a preferred embodiment of the present invention, the fault determination module 300 includes:
a data operation unit 301, configured to logically exclusive-or the ship operation data transmitted by the base station communication and the ship operation data synchronously transmitted by the satellite communication;
a fault determining unit 302, configured to determine that the ship operation is faulty when the exclusive or operation result is zero;
the data comparison unit 303 is configured to compare the ship operation data synchronously transmitted by the satellite communication with a preset data condition when the exclusive or operation result is one, and determine whether there is an abnormality according to the comparison result; the anomaly is considered a fault.
As shown in fig. 7, as a preferred embodiment of the present invention, the fault determination module 300 further includes:
the data retrieving unit 304 is configured to retrieve historical ship operation data when the exclusive or operation result is one;
a secondary comparison unit 305 for comparing the historical ship operation data with the current ship operation data;
and the blind area marking unit 306 is configured to read the position information in the ship operation data and mark the position information as a transmission blind area if the current ship operation data is included in the historical ship operation data.
The functions that can be achieved by the above-mentioned method for communicating between a ship and shore are all accomplished by a computer device comprising one or more processors and one or more memories, wherein at least one program code is stored in the one or more memories, and the program code is loaded and executed by the one or more processors to achieve the functions of the method for communicating between a ship and shore.
The processor takes out instructions from the memory one by one, analyzes the instructions, then completes corresponding operation according to the instruction requirement, generates a series of control commands, enables all parts of the computer to automatically, continuously and cooperatively act to form an organic whole, realizes the input of programs, the input of data, the operation and the output of results, and the arithmetic operation or the logic operation generated in the process is completed by the arithmetic unit; the Memory comprises a Read-Only Memory (ROM) for storing a computer program, and a protection device is arranged outside the Memory.
For example, a computer program may be split into one or more modules, one or more modules stored in memory and executed by a processor to perform the present invention. One or more of the modules may be a series of computer program instruction segments capable of performing specific functions for describing the execution of the computer program in the terminal device.
It will be appreciated by those skilled in the art that the foregoing description of the service device is merely an example and is not meant to be limiting, and may include more or fewer components than the foregoing description, or may combine certain components, or different components, such as may include input-output devices, network access devices, buses, etc.
The processor may be a central processing unit (Central Processing Unit, CPU), other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, which is the control center of the terminal device described above, and which connects the various parts of the entire user terminal using various interfaces and lines.
The memory may be used for storing computer programs and/or modules, and the processor may implement various functions of the terminal device by running or executing the computer programs and/or modules stored in the memory and invoking data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function (such as an information acquisition template display function, a product information release function, etc.), and the like; the storage data area may store data created according to the use of the berth status display system (e.g., product information acquisition templates corresponding to different product types, product information required to be released by different product providers, etc.), and so on. In addition, the memory may include high-speed random access memory, and may also include non-volatile memory, such as a hard disk, memory, plug-in hard disk, smart Media Card (SMC), secure Digital (SD) Card, flash Card (Flash Card), at least one disk storage device, flash memory device, or other volatile solid-state storage device.
The modules/units integrated in the terminal device may be stored in a computer readable storage medium if implemented in the form of software functional units and sold or used as separate products. Based on this understanding, the present invention may implement all or part of the modules/units in the system of the above-described embodiments, or may be implemented by instructing the relevant hardware by a computer program, which may be stored in a computer-readable storage medium, and which, when executed by a processor, may implement the functions of the respective system embodiments described above. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, executable files or in some intermediate form, etc. The computer readable medium may include: any entity or device capable of carrying computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (6)
1. A method of communicating a ship with shore based communication, comprising the steps of:
acquiring ship operation data transmitted by base station communication, and primarily identifying the ship operation data transmitted by the base station communication to obtain classification information; the classification information includes normal and abnormal;
if the classification information is abnormal, waking up satellite communication to synchronously transmit ship operation data;
carrying out secondary identification on the ship operation data transmitted by the base station communication and the ship operation data synchronously transmitted by the satellite communication to obtain fault information;
generating and sending a rescue alarm signal according to the fault information;
the step of secondarily identifying the ship operation data transmitted by the base station communication and the ship operation data synchronously transmitted by the satellite communication to obtain fault information comprises the following steps:
performing logical exclusive OR operation on ship operation data transmitted by base station communication and ship operation data synchronously transmitted by satellite communication;
when the exclusive or operation result is zero, judging that the ship operation fails;
when the exclusive or operation result is one, comparing the ship operation data synchronously transmitted by the satellite communication with preset data conditions, and judging whether abnormality exists according to the comparison result; the anomaly is considered a fault;
the step of performing secondary identification on the ship operation data transmitted by the base station communication and the ship operation data synchronously transmitted by the satellite communication to obtain fault information further comprises the following steps:
when the exclusive or operation result is one, historical ship operation data is fetched;
comparing the historical ship operation data with the current ship operation data synchronously transmitted by the satellite communication;
and if the current ship operation data synchronously transmitted by the satellite communication is contained in the historical ship operation data, reading the position information in the ship operation data, and marking the position information as a transmission blind area.
2. The method for communicating between a ship and a shore-based service according to claim 1, wherein the step of acquiring the ship operation data transmitted by the base station communication, and performing the primary identification of the ship operation data transmitted by the base station communication, and obtaining the classification information comprises:
acquiring ship operation data transmitted by base station communication, wherein the ship operation data comprises operation parameters, position information and signal strength of ship equipment;
comparing ship operation data transmitted by the base station communication with preset data conditions; the data conditions comprise standard parameters of ship equipment corresponding to the operation parameters, kinematic parameters corresponding to the position information and an intensity threshold corresponding to the signal intensity;
when the ship operation data transmitted by the base station in a communication way accords with preset data conditions, the ship operation data is inserted into a first database;
when the ship operation data transmitted by the base station do not accord with the preset data conditions, the ship operation data are inserted into a second database;
the data in the first database is normal, and the data in the second database is abnormal.
3. The method of communicating between a vessel and shore based service according to claim 2, wherein if the classification information is abnormal, the step of waking up the satellite communication to transmit the vessel operating data synchronously comprises:
determining sampling points according to a preset time step, and matching data in a first database and a second database according to the sampling points;
if the matching in the first database is successful and the matching in the second database is failed, a satellite communication transmission sleep request is sent;
if the matching in the first database fails and the matching in the second database is successful, a satellite communication transmission awakening request is sent;
if the matching in the first database is successful and the matching in the second database is successful, generating a detection request pointing to the primary identification; at this time, on the basis of sending a satellite communication transmission wake-up request, a detection request pointing to the primary identification is additionally generated;
if the matching in the first database fails and the matching in the second database fails, generating a detection request pointing to the communication transmission process of the base station; at this time, on the basis of sending a satellite communication transmission wake-up request, a detection request pointing to a base station communication transmission process is additionally generated;
when the satellite communication transmission wake-up request is responded, a satellite communication transmission data channel is established, and ship operation data transmitted by satellite communication are received.
4. The method of claim 1, wherein the satellite communication is resumed from a sleep state when the vessel is operating to a non-transmission blind zone and the vessel operating data transmitted by the base station communication is the same as the vessel operating data transmitted by the satellite communication.
5. A method of communicating between a vessel and shore based service according to claim 1, wherein said step of generating and transmitting a rescue alert signal based on said fault information comprises:
when the operation of the ship is judged to be faulty, sending a call connection request to the target ship;
when the call connection request is responded, establishing a call connection state with the target ship, and establishing a voice transmission channel;
and receiving voice confirmation information fed back by the target ship through the voice transmission channel, and generating and sending a rescue alarm signal.
6. A system for ship to shore based communication, said system comprising:
the primary identification module is used for acquiring the ship operation data transmitted by the base station communication, and carrying out primary identification on the ship operation data transmitted by the base station communication to obtain classification information; the classification information includes normal and abnormal;
the satellite wake-up module is used for waking up satellite communication to synchronously transmit ship operation data if the classification information is abnormal;
the fault judging module is used for carrying out secondary identification on the ship operation data transmitted by the base station communication and the ship operation data synchronously transmitted by the satellite communication to obtain fault information;
the rescue alarm module is used for generating and sending a rescue alarm signal according to the fault information;
the failure determination module includes:
the data operation unit is used for carrying out logical exclusive OR operation on the ship operation data transmitted by the base station communication and the ship operation data synchronously transmitted by the satellite communication;
the fault judging unit is used for judging that the ship operation is faulty when the exclusive OR operation result is zero;
the data comparison unit is used for comparing the ship operation data synchronously transmitted by the satellite communication with preset data conditions when the exclusive or operation result is one, and judging whether abnormality exists according to the comparison result; the anomaly is considered a fault;
the failure determination module further includes:
the data calling unit is used for calling historical ship operation data when the exclusive or operation result is one;
the secondary comparison unit is used for comparing the historical ship operation data with the current ship operation data synchronously transmitted by the satellite communication;
and the blind area marking unit is used for reading the position information in the ship operation data and marking the position information as a transmission blind area if the current ship operation data synchronously transmitted by the satellite communication is contained in the historical ship operation data.
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