CN110149647B - Automatic optimization method of communication equipment suitable for ship integrated communication - Google Patents
Automatic optimization method of communication equipment suitable for ship integrated communication Download PDFInfo
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Abstract
The invention discloses an automatic optimization method of communication equipment suitable for ship integrated communication, which comprises the steps of firstly respectively establishing performance evaluation tables of three communication equipment, namely a medium-high frequency radio station, a very-high frequency radio station and a satellite communication terminal in the aspects of communication cost, communication establishment time and communication distance; then, building three user demand models based on the performance evaluation result, namely a cost optimization model, a time optimization model and a cost and time balance optimization model, and correspondingly providing three communication equipment optimization schemes, namely a minimum cost scheme, a fastest time scheme and a conventional path scheme; when a ship initiates communication, a user inputs an MMSI code of the ship of the opposite side and selects a communication equipment optimal selection scheme according to the requirement; and finally, according to the selected communication equipment optimization scheme, starting a communication equipment optimization flow, automatically optimizing the best communication equipment, and starting communication by using the optimized equipment. The invention can greatly reduce the operation complexity of the ship communication equipment and effectively improve the success rate and reliability of communication.
Description
Technical Field
The invention belongs to the technical field of marine ship integrated communication, and particularly relates to an automatic optimization method of communication equipment suitable for ship integrated communication.
Background
There are currently three main means of marine communication: medium and high frequency stations, very high frequency stations and satellite communication terminals. The medium-high frequency radio station and the very-high frequency radio station are important components of Global Maritime Distress and Safety Systems (GMDSS), and the medium-high frequency radio station and the very-high frequency radio station are required to be equipped for ships which run in sea areas above A2 according to the GMDSS.
The main communication means of the current marine vessel satellite communication include: the system comprises an international maritime satellite, Beidou, Tiantong number one, iridium, Europe star, VSAT and the like, wherein the international maritime satellite and the Beidou are most applied at home.
The three ship communication modes have advantages and disadvantages, the medium-high frequency radio station is suitable for near-medium and long-distance communication, the equipment has no communication expense, and is suitable for severe environments such as rainstorm, sheltering and the like, the environmental adaptability is high, but the communication success rate is lowest, and the communication establishment time is long; the very high frequency radio station is suitable for near field communication, the equipment has no communication expense, the communication success rate is high, the environmental adaptability is highest, the communication establishment time is short, but the communication distance is short, and only line-of-sight communication is supported; the satellite communication is suitable for near-medium and long-distance communication, the communication success rate is highest, the communication establishment time is shortest, but equipment is easily influenced by severe environments such as rainstorm, shielding and the like, the environmental adaptability is low, the equipment communication charge is higher, for example, a satellite mobile communication terminal based on a VSAT system for communication in motion is taken, the use charge is charged by flow, is generally 1-1.5 yuan/MB, and is 0.5-0.75 yuan/minute converted into a satellite telephone.
The three communication modes have obvious characteristics, and in the ship integrated communication, different communication means can be adopted according to different communication cost requirements, different communication establishment time requirements and the space distance difference between two communication parties, so that a user can obtain better equipment use experience. Based on the above, the automatic optimization method for the communication equipment suitable for ship integrated communication provided by the invention is based on three reference elements, namely communication cost, communication establishment time and communication distance, and an optimal communication equipment is optimized for a user.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an automatic optimization method of communication equipment suitable for ship integrated communication aiming at the defects of the prior art, which can greatly reduce the operation complexity of the ship communication equipment, effectively improve the communication success rate and reliability, improve the use convenience of medium-high frequency radio stations, very-high frequency radio stations and satellite communication terminal equipment, and improve the user experience of the equipment.
The technical scheme adopted by the invention for solving the technical problems is as follows: an automatic optimization method of communication equipment suitable for ship integrated communication comprises the steps of firstly, respectively establishing performance evaluation tables of three kinds of communication equipment, namely a medium-high frequency radio station, a very-high frequency radio station and a satellite communication terminal in the aspects of communication cost, communication establishment time and communication distance; then, building three user demand models based on the performance evaluation result, namely a cost optimization model, a time optimization model and a cost and time balance optimization model, and correspondingly providing three communication equipment optimization schemes, namely a minimum cost scheme, a fastest time scheme and a conventional path scheme; when a ship initiates communication, a user inputs an MMSI code of the ship of the opposite side and selects a communication equipment optimal selection scheme according to the requirement; and finally, according to the selected communication equipment optimization scheme, starting a corresponding communication equipment optimization flow, automatically optimizing an optimal communication equipment, and starting communication by using the optimal equipment.
Preferably, the performance evaluation tables of the three established communication devices, namely the medium-high frequency radio station, the very-high frequency radio station and the satellite communication terminal, in the aspects of communication cost, communication establishment time and communication distance are shown in table 1:
TABLE 1 Performance evaluation Scale
Further, the criteria established by the cost optimization model are as follows: the communication cost is the lowest, and the specific preferred principle is as follows: preferentially selecting the equipment with the lowest communication cost; when the communication costs of a plurality of devices are the same, the device with the shortest communication setup time is preferentially selected.
Further, the criteria established by the time optimization model are as follows: the communication establishment time is shortest, and the specific preferred principle is as follows: the device with the shortest communication setup time is preferentially selected.
Further, the criteria established by the cost and time balance optimization model are as follows: on the basis of paying a small amount of communication cost, the communication establishment time is shortened to the maximum extent, and the specific preferred principle is as follows: the satellite communication terminal equipment acquires the distance d between two ships participating in communication, and selects equipment meeting the communication distance from the performance evaluation scale according to the distance d between the two ships; when the communication distance of a plurality of devices meets the distance requirement between two ships, the device with the lowest communication cost is preferentially selected; when the communication distances of a plurality of devices meet the distance requirement between two ships and the communication costs of the devices are the same, the device with the shortest communication establishing time is preferentially selected.
Preferably, the automatic optimization process of the communication device under the minimum tariff scheme is as follows:
step 1-1: starting communication of the VHF radio station equipment, if communication connection with the VHF radio station equipment of the ship of the opposite side is successfully established, turning to the step 1-5, otherwise, turning to the step 1-2;
step 1-2: starting the communication of the medium-high frequency radio station equipment, if the communication connection with the medium-high frequency radio station equipment of the opposite ship is successfully established, turning to the step 1-6, otherwise, turning to the step 1-3;
step 1-3: artificially judging whether to start satellite equipment communication, if the satellite equipment communication connection is started, turning to the step 1-4, otherwise, turning to the step 1-9;
step 1-4: starting satellite communication terminal equipment for communication, if communication connection is successfully established with the satellite communication terminal equipment of the ship of the opposite side, turning to the step 1-7, otherwise, turning to the step 1-9;
step 1-5: confirming that the preferred communication equipment is a very high frequency radio station, and turning to the step 1-8;
step 1-6: confirming that the preferred communication equipment is a medium-high frequency radio station, and turning to the step 1-8;
step 1-7: confirming that the preferred communication equipment is the satellite communication terminal, and turning to the step 1-8;
step 1-8: giving a preferred communication device, and transferring to the step 1-9;
step 1-9: the automatic preferred flow of the communication device under the least tariff scheme ends.
Preferably, the automatic optimization process of the communication device in the fastest time scheme is as follows:
step 2-1: starting satellite communication terminal equipment for communication, if communication connection is successfully established with the satellite communication terminal equipment of the ship of the opposite side, turning to the step 2-4, and otherwise, turning to the step 2-2;
step 2-2: starting communication of the VHF radio station equipment, if communication connection with the VHF radio station equipment of the ship of the opposite side is successfully established, turning to the step 2-5, otherwise, turning to the step 2-3;
step 2-3: starting the communication of the medium-high frequency radio station equipment, if the communication connection with the medium-high frequency radio station equipment of the ship of the opposite party is successfully established, turning to the step 2-6, otherwise, turning to the step 2-8;
step 2-4: confirming that the preferred communication equipment is the satellite communication terminal, and turning to the step 2-7;
step 2-5: confirming that the preferred communication equipment is a very high frequency radio station, and turning to the step 2-7;
step 2-6: confirming that the preferred communication equipment is a medium-high frequency radio station, and turning to the step 2-7;
step 2-7: and (4) giving a preferred communication device, and transferring to the step 2-8.
Step 2-8: the automatic preferred flow of the communication device under the fastest time scheme ends.
Preferably, the automatic optimization process of the communication device under the conventional path scheme is as follows:
step 3-1: starting satellite communication terminal equipment for communication, if communication connection is successfully established with the satellite communication terminal equipment of the ship of the opposite side, turning to the step 3-2, and otherwise, turning to the step 3-4;
step 3-2: acquiring the position information of the ship of the opposite party by using the satellite communication terminal equipment, and turning to the step 3-3;
step 3-3: calculating the distance d between the two ships according to the position information of the ship and the position information of the ship on the other side, and if d is less than or equal to 30km, turning to the step 3-4; otherwise, turning to the step 3-5;
step 3-4: starting communication of the VHF radio station equipment, if communication connection with the VHF radio station equipment of the ship of the opposite side is successfully established, turning to the step 3-7, otherwise, turning to the step 3-5;
step 3-5: starting the communication of the medium-high frequency radio station equipment, if the communication connection with the medium-high frequency radio station equipment of the opposite ship is successfully established, turning to the step 3-8, otherwise, turning to the step 3-6;
step 3-6: starting satellite communication terminal equipment for communication, if communication connection is successfully established with the satellite communication terminal equipment of the ship of the opposite side, turning to the step 3-9, otherwise, turning to the step 3-11;
step 3-7: confirming that the preferred communication equipment is a very high frequency radio station, and turning to the step 3-10;
step 3-8: confirming that the preferred communication equipment is a medium-high frequency radio station, and turning to the step 3-10;
step 3-9: confirming that the preferred communication equipment is the satellite communication terminal, and turning to the step 3-10;
step 3-10: and (4) giving a preferred communication device, and transferring to the step 3-11.
Step 3-11: the automatic preferred flow of the communication device under the conventional path scheme ends.
Further, in the step 3-2 and the step 3-3, the position information is latitude and longitude information.
Compared with the prior art, the invention has the advantages that:
(1) the invention aims at the existing three communication means of the marine vessel: the automatic optimization method of the communication equipment suitable for ship integrated communication is provided based on three evaluation elements, namely communication cost, communication establishment time and communication distance, so that the use convenience of the medium-high frequency radio station, the very-high frequency radio station and the satellite communication terminal equipment is improved, and the user use experience of the equipment is improved.
(2) The invention discloses an automatic optimization method of communication equipment suitable for ship integrated communication, which constructs a set of self-adaptive ship communication equipment optimization process, can automatically start communication equipment selection and communication connection establishment according to a communication equipment optimization scheme selected by a user, can greatly reduce the operation complexity of the ship communication equipment, and effectively improves the success rate and reliability of communication.
Drawings
FIG. 1 is a schematic diagram of a workflow of an automatic optimization method of a communication device after a ship initiates communication in the embodiment;
fig. 2 is an automatic optimization flow of the communication device under the minimum tariff scheme in the embodiment;
FIG. 3 is an automatic optimization flow of the communication device in the fastest time scheme in the embodiment;
fig. 4 is an automatic preferred flow of the communication device under the conventional path scheme in the embodiment.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The automatic optimization method of the communication equipment suitable for ship integrated communication comprises the steps of firstly respectively establishing performance evaluation tables of three kinds of communication equipment, namely a medium-high frequency radio station, a very-high frequency radio station and a satellite communication terminal in the aspects of communication cost, communication establishment time and communication distance; then, building three user demand models based on the performance evaluation result, namely a cost optimization model, a time optimization model and a cost and time balance optimization model, and correspondingly providing three communication equipment optimization schemes, namely a minimum cost scheme, a fastest time scheme and a conventional path scheme; when a ship initiates communication, a user inputs an MMSI code of the ship of the opposite party (namely an identification code of the marine mobile service of the ship of the opposite party), and selects a preferred scheme of communication equipment according to requirements; and finally, according to the selected communication equipment optimization scheme, starting a corresponding communication equipment optimization flow, automatically optimizing an optimal communication equipment, and starting communication by using the optimal equipment.
The work flow diagram of the automatic optimization method of the communication equipment after the ship initiates communication is shown in fig. 1.
The performance evaluation tables of the three types of established communication equipment, namely the medium-high frequency radio station, the very-high frequency radio station and the satellite communication terminal, in the three aspects of communication cost, communication establishment time and communication distance are shown in table 1:
TABLE 1 Performance evaluation Scale
The criteria for establishing the cost optimization model are as follows: the communication cost is the lowest, and the specific preferred principle is as follows: preferentially selecting the equipment with the lowest communication cost; when the communication costs of a plurality of devices are the same, the device with the shortest communication setup time is preferentially selected.
The criteria for establishing the time optimization model are as follows: the communication establishment time is shortest, and the specific preferred principle is as follows: the device with the shortest communication setup time is preferentially selected.
The criteria for establishing the cost and time balance optimization model are as follows: on the basis of paying a small amount of communication cost, the communication establishment time is shortened to the maximum extent, and the specific preferred principle is as follows: the satellite communication terminal equipment acquires the distance d between two ships participating in communication, and selects equipment meeting the communication distance from the performance evaluation scale according to the distance d between the two ships; when the communication distance of a plurality of devices meets the distance requirement between two ships, the device with the lowest communication cost is preferentially selected; when the communication distances of a plurality of devices meet the distance requirement between two ships and the communication costs of the devices are the same, the device with the shortest communication establishing time is preferentially selected.
And after the communication equipment optimization scheme is selected, starting a corresponding communication equipment optimization flow according to the selected communication equipment optimization scheme. If the least charge scheme is selected, switching to an automatic optimization flow of the communication equipment under the least charge scheme; if the fastest time scheme is selected, switching to an automatic optimization process of the communication equipment under the fastest time scheme; and if the conventional path scheme is selected, switching to an automatic optimization flow of the communication equipment under the conventional path scheme. The automatic optimization processes of the communication equipment under the optimization scheme of the three communication equipment are respectively as follows:
1. an automatic preferred flow of the communication device under the least tariff scheme is shown in fig. 2, and specifically includes the following steps:
step 1-1: starting communication of the VHF radio station equipment, if communication connection with the VHF radio station equipment of the ship of the opposite side is successfully established, turning to the step 1-5, otherwise, turning to the step 1-2;
step 1-2: starting the communication of the medium-high frequency radio station equipment, if the communication connection with the medium-high frequency radio station equipment of the opposite ship is successfully established, turning to the step 1-6, otherwise, turning to the step 1-3;
step 1-3: artificially judging whether to start satellite equipment communication, if the satellite equipment communication connection is started, turning to the step 1-4, otherwise, turning to the step 1-9;
step 1-4: starting satellite communication terminal equipment for communication, if communication connection is successfully established with the satellite communication terminal equipment of the ship of the opposite side, turning to the step 1-7, otherwise, turning to the step 1-9;
step 1-5: confirming that the preferred communication equipment is a very high frequency radio station, and turning to the step 1-8;
step 1-6: confirming that the preferred communication equipment is a medium-high frequency radio station, and turning to the step 1-8;
step 1-7: confirming that the preferred communication equipment is the satellite communication terminal, and turning to the step 1-8;
step 1-8: giving a preferred communication device, and transferring to the step 1-9;
step 1-9: the automatic preferred flow of the communication device under the least tariff scheme ends.
2. An automatic optimization flow of the communication device in the fastest time scheme is shown in fig. 3, and specifically includes the following steps:
step 2-1: starting satellite communication terminal equipment for communication, if communication connection is successfully established with the satellite communication terminal equipment of the ship of the opposite side, turning to the step 2-4, and otherwise, turning to the step 2-2;
step 2-2: starting communication of the VHF radio station equipment, if communication connection with the VHF radio station equipment of the ship of the opposite side is successfully established, turning to the step 2-5, otherwise, turning to the step 2-3;
step 2-3: starting the communication of the medium-high frequency radio station equipment, if the communication connection with the medium-high frequency radio station equipment of the ship of the opposite party is successfully established, turning to the step 2-6, otherwise, turning to the step 2-8;
step 2-4: confirming that the preferred communication equipment is the satellite communication terminal, and turning to the step 2-7;
step 2-5: confirming that the preferred communication equipment is a very high frequency radio station, and turning to the step 2-7;
step 2-6: confirming that the preferred communication equipment is a medium-high frequency radio station, and turning to the step 2-7;
step 2-7: and (4) giving a preferred communication device, and transferring to the step 2-8.
Step 2-8: the automatic preferred flow of the communication device under the fastest time scheme ends.
3. An automatic optimization flow of the communication device under the conventional path scheme is shown in fig. 4, and specifically includes the following steps:
step 3-1: starting satellite communication terminal equipment for communication, if communication connection is successfully established with the satellite communication terminal equipment of the ship of the opposite side, turning to the step 3-2, and otherwise, turning to the step 3-4;
step 3-2: acquiring longitude and latitude information of the ship of the opposite party by using the satellite communication terminal equipment, and turning to the step 3-3;
step 3-3: calculating the distance d between the two ships according to the longitude and latitude information of the ship and the longitude and latitude information of the ship of the opposite side, and if d is less than or equal to 30km, turning to the step 3-4; otherwise, turning to the step 3-5;
step 3-4: starting communication of the VHF radio station equipment, if communication connection with the VHF radio station equipment of the ship of the opposite side is successfully established, turning to the step 3-7, otherwise, turning to the step 3-5;
step 3-5: starting the communication of the medium-high frequency radio station equipment, if the communication connection with the medium-high frequency radio station equipment of the opposite ship is successfully established, turning to the step 3-8, otherwise, turning to the step 3-6;
step 3-6: starting satellite communication terminal equipment for communication, if communication connection is successfully established with the satellite communication terminal equipment of the ship of the opposite side, turning to the step 3-9, otherwise, turning to the step 3-11;
step 3-7: confirming that the preferred communication equipment is a very high frequency radio station, and turning to the step 3-10;
step 3-8: confirming that the preferred communication equipment is a medium-high frequency radio station, and turning to the step 3-10;
step 3-9: confirming that the preferred communication equipment is the satellite communication terminal, and turning to the step 3-10;
step 3-10: and (4) giving a preferred communication device, and transferring to the step 3-11.
Step 3-11: the automatic preferred flow of the communication device under the conventional path scheme ends.
Claims (5)
1. An automatic optimization method of communication equipment suitable for ship integrated communication is characterized in that performance evaluation quantities of three communication equipment, namely a medium-high frequency radio station, a very-high frequency radio station and a satellite communication terminal, in three aspects of communication cost, communication establishment time and communication distance are established respectively; then, building three user demand models based on the performance evaluation result, namely a cost optimization model, a time optimization model and a cost and time balance optimization model, and correspondingly providing three communication equipment optimization schemes, namely a minimum cost scheme, a fastest time scheme and a conventional path scheme; when a ship initiates communication, a user inputs an MMSI code of the ship of the opposite side and selects a communication equipment optimal selection scheme according to the requirement; finally, according to the selected communication equipment optimization scheme, starting a corresponding communication equipment optimization flow, automatically and optimally selecting an optimal communication equipment, and starting communication by using the optimal equipment;
the performance evaluation quantities of the three established communication devices, namely the medium-high frequency radio station, the very-high frequency radio station and the satellite communication terminal, in the three aspects of communication cost, communication establishment time and communication distance are as follows: when the equipment type is a medium-high frequency station, the evaluation values of the communication cost, the communication establishment time and the communication distance which are used as evaluation elements are none, long, near-medium and long-distance respectively; when the type of the equipment is a very high frequency station, the evaluation values of the communication cost, the communication establishment time and the communication distance which are used as evaluation elements are none, short and close respectively; when the equipment type is a satellite communication terminal, the evaluation values of communication cost, communication establishment time and communication distance which are used as evaluation elements are respectively highest, shortest, near-middle-distance and far-distance;
the automatic optimization process of the communication equipment under the minimum tariff scheme comprises the following steps:
step 1-1: starting communication of the VHF radio station equipment, if communication connection with the VHF radio station equipment of the ship of the opposite side is successfully established, turning to the step 1-5, otherwise, turning to the step 1-2;
step 1-2: starting the communication of the medium-high frequency radio station equipment, if the communication connection with the medium-high frequency radio station equipment of the opposite ship is successfully established, turning to the step 1-6, otherwise, turning to the step 1-3;
step 1-3: artificially judging whether to start satellite equipment communication, if the satellite equipment communication connection is started, turning to the step 1-4, otherwise, turning to the step 1-9;
step 1-4: starting satellite communication terminal equipment for communication, if communication connection is successfully established with the satellite communication terminal equipment of the ship of the opposite side, turning to the step 1-7, otherwise, turning to the step 1-9;
step 1-5: confirming that the preferred communication equipment is a very high frequency radio station, and turning to the step 1-8;
step 1-6: confirming that the preferred communication equipment is a medium-high frequency radio station, and turning to the step 1-8;
step 1-7: confirming that the preferred communication equipment is the satellite communication terminal, and turning to the step 1-8;
step 1-8: giving a preferred communication device, and transferring to the step 1-9;
step 1-9: ending the automatic optimization flow of the communication equipment under the least tariff scheme;
the automatic optimization process of the communication equipment under the fastest time scheme comprises the following steps:
step 2-1: starting satellite communication terminal equipment for communication, if communication connection is successfully established with the satellite communication terminal equipment of the ship of the opposite side, turning to the step 2-4, and otherwise, turning to the step 2-2;
step 2-2: starting communication of the VHF radio station equipment, if communication connection with the VHF radio station equipment of the ship of the opposite side is successfully established, turning to the step 2-5, otherwise, turning to the step 2-3;
step 2-3: starting the communication of the medium-high frequency radio station equipment, if the communication connection with the medium-high frequency radio station equipment of the ship of the opposite party is successfully established, turning to the step 2-6, otherwise, turning to the step 2-8;
step 2-4: confirming that the preferred communication equipment is the satellite communication terminal, and turning to the step 2-7;
step 2-5: confirming that the preferred communication equipment is a very high frequency radio station, and turning to the step 2-7;
step 2-6: confirming that the preferred communication equipment is a medium-high frequency radio station, and turning to the step 2-7;
step 2-7: giving a preferred communication device, and turning to the step 2-8;
step 2-8: finishing the automatic optimization process of the communication equipment under the fastest time scheme;
the automatic preferred flow of the communication device under the conventional path scheme is:
step 3-1: starting satellite communication terminal equipment for communication, if communication connection is successfully established with the satellite communication terminal equipment of the ship of the opposite side, turning to the step 3-2, and otherwise, turning to the step 3-4;
step 3-2: acquiring the position information of the ship of the opposite party by using the satellite communication terminal equipment, and turning to the step 3-3;
step 3-3: calculating the distance d between the two ships according to the position information of the ship and the position information of the ship on the other side, and if d is less than or equal to 30km, turning to the step 3-4; otherwise, turning to the step 3-5;
step 3-4: starting communication of the VHF radio station equipment, if communication connection with the VHF radio station equipment of the ship of the opposite side is successfully established, turning to the step 3-7, otherwise, turning to the step 3-5;
step 3-5: starting the communication of the medium-high frequency radio station equipment, if the communication connection with the medium-high frequency radio station equipment of the opposite ship is successfully established, turning to the step 3-8, otherwise, turning to the step 3-6;
step 3-6: starting satellite communication terminal equipment for communication, if communication connection is successfully established with the satellite communication terminal equipment of the ship of the opposite side, turning to the step 3-9, otherwise, turning to the step 3-11;
step 3-7: confirming that the preferred communication equipment is a very high frequency radio station, and turning to the step 3-10;
step 3-8: confirming that the preferred communication equipment is a medium-high frequency radio station, and turning to the step 3-10;
step 3-9: confirming that the preferred communication equipment is the satellite communication terminal, and turning to the step 3-10;
step 3-10: giving a preferred communication device, and switching to the step 3-11;
step 3-11: the automatic preferred flow of the communication device under the conventional path scheme ends.
2. The automatic optimization method for communication equipment suitable for ship-based integrated communication according to claim 1, wherein the criteria established by the cost optimization model are as follows: the communication cost is the lowest, and the specific preferred principle is as follows: preferentially selecting the equipment with the lowest communication cost; when the communication costs of a plurality of devices are the same, the device with the shortest communication setup time is preferentially selected.
3. The automatic optimization method for communication equipment suitable for ship-based integrated communication according to claim 1, wherein the criteria established by the time optimization model are as follows: the communication establishment time is shortest, and the specific preferred principle is as follows: the device with the shortest communication setup time is preferentially selected.
4. The automatic optimization method for communication equipment suitable for ship-based integrated communication according to claim 1, wherein the criteria established by the cost and time balance optimization model are as follows: on the basis of paying a small amount of communication cost, the communication establishment time is shortened to the maximum extent, and the specific preferred principle is as follows: the satellite communication terminal equipment acquires the distance d between two ships participating in communication, and selects equipment meeting the communication distance from the performance evaluation scale according to the distance d between the two ships; when the communication distance of a plurality of devices meets the distance requirement between two ships, the device with the lowest communication cost is preferentially selected; when the communication distances of a plurality of devices meet the distance requirement between two ships and the communication costs of the devices are the same, the device with the shortest communication establishing time is preferentially selected.
5. The automatic optimization method for the communication equipment suitable for the ship-borne communication according to claim 1, wherein in the step 3-2 and the step 3-3, the position information is latitude and longitude information.
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| CN103037542A (en) * | 2013-01-17 | 2013-04-10 | 海南大学 | Mobile communication system catering to sea ships |
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