CN113038398A - Beidou short message communication method and system - Google Patents
Beidou short message communication method and system Download PDFInfo
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- CN113038398A CN113038398A CN202110313942.5A CN202110313942A CN113038398A CN 113038398 A CN113038398 A CN 113038398A CN 202110313942 A CN202110313942 A CN 202110313942A CN 113038398 A CN113038398 A CN 113038398A
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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
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
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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
Abstract
The invention discloses a Beidou short message communication method, which comprises the following steps: the transfer server acquires a plurality of short message messages sent by the sender through the Beidou communication network; the transit server stores the received short message and sequentially sets the ID of the short message; the transfer server sends short message messages to a receiver through the Beidou communication network according to the ID in sequence; and the receiver judges whether all short message messages are received according to the received IDs of the short message messages, if so, all the short message messages are normally received, and if not, the receiver calculates the IDs of the lost short message messages according to the received IDs of the short message messages and feeds the IDs back to the transit server. The invention also discloses a Beidou short message communication system. By adopting the method and the device, the problem that the Beidou communication system cannot accurately find the communication data when the communication data is lost can be solved.
Description
Technical Field
The invention relates to the field of Beidou communication, in particular to a Beidou short message communication method and system.
Background
The Beidou satellite navigation system is a self-developed global satellite navigation system in China, has the functions of positioning, navigation and time service, and also has the function of bidirectional short message communication, so that a user can transmit short message information of 40-60 Chinese characters at a time, and the Beidou satellite navigation system has important application value in ocean navigation. In an unmanned area or an area without signal coverage, due to the limitation of the environment, personnel need to seek help and communication, and the Beidou short message communication can be applied to the special scene.
However, when communication data is lost in the conventional beidou communication system, the lost communication data cannot be accurately found, so a beidou short message communication method and system are urgently needed to solve the above problems.
Disclosure of Invention
The invention aims to solve the technical problem that the Beidou short message communication method and the Beidou short message communication system can solve the problem that the Beidou communication system cannot accurately find the communication data when the communication data is lost.
In order to solve the technical problem, the invention provides a Beidou short message communication method, which comprises the following steps: s101, a transfer server acquires a plurality of short message messages sent by a sender through a Beidou communication network; s102, the transfer server stores the received short message and sets the ID of the short message in sequence; s103, the transfer server sends short message messages to a receiver through the Beidou communication network according to the ID in sequence; and S104, the receiver judges whether all short message messages are received according to the IDs of the received short message messages, S105, if so, all the short message messages are normally received, S106, if not, the ID of the lost short message is calculated according to the ID of the received short message, and the ID is fed back to the transit server, and the S103 is returned.
Preferably, the step of sequentially setting the IDs of the short message messages includes: selecting the first two bytes of the short message as ID bytes of the short message; and increasing the ID from 1 to 65535, and then increasing from 1 to 65535.
Preferably, the step of the receiver determining whether all short message messages are received according to the received ID of the short message includes: judging whether the IDs of the received short message messages are continuous or not; if the short message is judged to be received by the receiver, the short message is completely received by the receiver, and if the short message is judged to be not received by the receiver, the short message is not completely received by the receiver.
Preferably, after the step of the relay server obtaining a plurality of short message messages sent by a sender through a beidou communication network, before the step of the relay server storing the received short message messages and sequentially setting IDs of the short message messages, the method further includes: the transfer server sends a receipt message of the short message to the sender through a Beidou communication network; and the transmitter processes according to the feedback condition of the receipt message.
Preferably, the specific step of processing by the sender according to the feedback condition of the receipt message includes: when the times that the sender does not receive the receipt message are less than or equal to the preset times, the message is resent; and when the times that the sender does not receive the receipt message are greater than the preset times, displaying that the sending fails.
The invention also provides a Beidou short message communication system, which comprises a transmitter, a transfer server and a receiver: the transmitter comprises a first transmitting module, and the first transmitting module is used for transmitting a plurality of short message messages to the transfer server through the Beidou communication network; the transit server comprises a second receiving module, a storage module, an ID setting module and a second sending module, wherein the second receiving module is used for receiving a plurality of short message messages sent by the sender, the storage module is used for storing the received short message messages, the ID setting module is used for sequentially setting the IDs of the short message messages, and the second sending module is used for sending the short message messages to the receiver; the receiver comprises a third receiving module, a judging module, a calculating module and a third sending module, wherein the third receiving module is used for receiving the short message sent by the transfer server, the judging module is used for judging whether all the short message messages are received according to the ID of the received short message, the calculating module is used for calculating the ID of the lost short message according to the ID of the received short message when the judging module judges that the short message messages are not received, and the third sending module is used for sending the ID of the lost short message to the transfer server.
Preferably, the ID setting module includes a selecting unit and a count increasing unit; the selecting unit is used for selecting the first two bytes of the short message as the ID bytes of the short message; the counting and incrementing unit is used for incrementing the ID from 1 according to the number of the short message messages, and the ID is incremented from 1 again after the ID is incremented to 65535.
Preferably, the determining module is configured to determine whether the IDs of the received short message messages are continuous, where if yes, it indicates that the receiver receives all the short message messages, and if not, it indicates that the receiver does not receive all the short message messages.
Preferably, the transit server further comprises a receipt sending module, and the receipt sending module is used for sending a receipt message arriving by the short message to the sender through a Beidou communication network; the transmitter also comprises a receipt feedback processing module, and the receipt feedback processing module is used for processing according to the feedback condition of the receipt message.
Preferably, the receipt feedback processing module includes a retransmission unit and an alert unit: the retransmission unit is used for retransmitting the message when the number of times that the sender does not receive the receipt message is less than or equal to the preset number of times; and the warning unit is used for warning that the sending fails when the number of times that the sender does not receive the receipt message is greater than the preset number of times.
The beneficial effects of the implementation of the invention are as follows:
the received short message is stored by the transit server, and the IDs of the short message are sequentially set, so that the problem of data loss can be solved, meanwhile, the receiver judges whether all the short message messages are received according to the IDs of the received short message, if so, all the short message messages are normally received, if not, the ID of the lost short message messages is calculated according to the IDs of the received short message and is fed back to the transit server, and the transit server retransmits the lost short message messages to the receiver. Therefore, the Beidou short message communication method provided by the invention can solve the problem that the Beidou communication system cannot accurately retrieve the communication data when the communication data is lost.
Drawings
FIG. 1 is a flow chart of a Beidou short message communication method provided by the invention;
FIG. 2 is a flow chart of an ID setting method of the Beidou short message communication method provided by the invention;
FIG. 3 is a flow chart of a receipt feedback processing method of the Beidou short message communication method provided by the invention;
FIG. 4 is a schematic diagram of a Beidou short message communication system provided by the invention;
FIG. 5 is a schematic diagram of an ID setup module provided by the present invention;
FIG. 6 is a block diagram of a response piece feedback processing module according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the invention is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the invention.
As shown in fig. 1, the present invention provides a beidou short message communication method, including:
s101, the transfer server acquires a plurality of short message messages sent by the sender through the Beidou communication network.
And S102, the transfer server stores the received short message and sequentially sets the ID of the short message.
And S103, the transfer server sends short message messages to a receiver through the Beidou communication network according to the ID in sequence.
S104, the receiver judges whether all short message messages are received according to the ID of the received short message messages,
s105, if yes, all the short message messages are received normally,
and S106, if the judgment result is no, calculating the ID of the lost short message according to the ID of the received short message, feeding the ID back to the transfer server, and returning to the S103.
In an unmanned area or an area without signal coverage, due to the limitation of the environment, personnel need to seek help and communication, and the Beidou short message communication can be applied to the special scene. However, when communication data is lost, the existing Beidou communication system cannot accurately retrieve the lost communication data. The received short message is stored by the transit server, and the IDs of the short message are sequentially set, so that the problem of data loss can be solved, meanwhile, the receiver judges whether all the short message messages are received according to the IDs of the received short message, if so, all the short message messages are normally received, if not, the ID of the lost short message messages is calculated according to the IDs of the received short message and is fed back to the transit server, and the transit server retransmits the lost short message messages to the receiver. Therefore, the Beidou short message communication method provided by the invention can solve the problem that the Beidou communication system cannot accurately retrieve the communication data when the communication data is lost.
As shown in fig. 2, preferably, the step of sequentially setting the IDs of the short message messages includes:
s201, selecting the first two bytes of the short message as the ID bytes of the short message;
s202, according to the number of the short message, the ID is increased from 1 to 65535, and then increased from 1 again.
It should be noted that, the present invention can improve the ID detection speed by selecting the first two bytes of the short message [ the first 2 bytes are taken as the ID of the short message, and 0001 to 65535 (1 to 65535) ] as the ID bytes, and in addition, the ID is increased from 1 to 65535 and then increased from 1 to 65535 again, so that the sequential increase can be realized, and repetition and omission can be avoided. It should be noted that selecting two bytes as ID bytes is only a preferred scheme of the present invention, and other numbers of bytes may also be selected, and meanwhile, the peak value of the ID number also increases with the increase of the number of bytes, and when the short message is huge, more bytes need to be occupied.
Further, the step of the receiver judging whether all short message messages are received according to the received ID of the short message comprises: judging whether the IDs of the received short message messages are continuous or not; if the short message is judged to be received by the receiver, the short message is completely received by the receiver, and if the short message is judged to be not received by the receiver, the short message is not completely received by the receiver.
It should be noted that, by determining the continuity of the ID of the received short message, the present invention can easily know whether there is a message omission. Because the previous IDs are set in order and are increased progressively from 1, when the condition that the IDs of the received short message are discontinuous is found, that is, a message omission is judged, at this time, the receiver does not receive all the short message messages.
For example: receiver a calculates the received message IDs, e.g., 0001, 0002, 0003, 0006, indicating that the received data misses two message IDs, 0004 and 0005, respectively.
Preferably, after the step of the relay server obtaining a plurality of short message messages sent by the sender through the beidou communication network, before the step of the relay server storing the received short message messages and sequentially setting the IDs of the short message messages, the method further includes: the transfer server sends a receipt message of the short message to the sender through a Beidou communication network; and the transmitter processes according to the feedback condition of the receipt message.
It should be noted that, in order to ensure whether the short message of the sender is received by the relay server, the relay server sends a receipt message that the short message arrives to the sender through the beidou communication network, when the sender receives the receipt message, that is, the short message is sent out and the relay server has received the short message, if the sender does not receive the receipt, the relay server does not receive the short message, and at this time, the sender needs to send the short message again.
As shown in fig. 3, preferably, the specific step of processing by the sender according to the feedback condition of the receipt message includes:
s301, when the times that the sender does not receive the receipt message is less than or equal to the preset times, the message is resent;
it should be noted that the failure of the sender to receive the receipt message may be a failure in sending the original task message, or a failure in sending the receipt message. Generally, the signal conditions near the transit server are good, and occasional transmission failures may be caused by occasional environmental factors, but the probability of failure to transmit a receipt message multiple times is low. Therefore, when the receipt message is not received by the sender for less than or equal to a preset number of times, for example, 1 time, the sender may resend the task message and then wait for the relay server to resend the receipt message, thereby confirming whether the originally sent task message completely reaches the relay server.
S302, when the times that the sender does not receive the receipt message is more than the preset times, the sending failure is displayed.
It should be noted that, after the transmitter sends the task message for many times, the return receipt message is still not received, which indicates that the task message cannot reach the server or the return receipt message cannot reach the terminal.
As shown in fig. 4, the present invention further provides a beidou short message communication system 100, which includes a transmitter 1, a relay server 2 and a receiver 3: the transmitter 1 comprises a first transmitting module 11, and the first transmitting module 11 is used for transmitting a plurality of short message messages to the transit server 2 through a Beidou communication network; the transit server 2 includes a second receiving module 21, a storage module 22, an ID setting module 23, and a second sending module 24, where the second receiving module 21 is configured to receive multiple short message messages sent by the sender 1, the storage module 22 is configured to store the received short message messages, the ID setting module 23 is configured to sequentially set IDs of the short message messages, and the second sending module 24 is configured to send the short message messages to the receiver 3; the receiver 3 includes a third receiving module 31, a judging module 32, a calculating module 33, and a third sending module 34, where the third receiving module 31 is configured to receive the short message sent by the relay server 2, the judging module 32 is configured to judge whether all the short message messages are received according to the received ID of the short message, the calculating module 33 is configured to calculate the ID of the lost short message according to the received ID of the short message when the judging module 32 judges that the short message messages are not received, and the third sending module 34 is configured to send the ID of the lost short message to the relay server.
In an unmanned area or an area without signal coverage, due to the limitation of the environment, personnel need to seek help and communication, and the Beidou short message communication can be applied to the special scene. However, when communication data is lost, the existing Beidou communication system cannot accurately retrieve the lost communication data. In the present invention, the second receiving module 21 receives a plurality of short message messages sent by the sender 1, the storage module 22 stores the received short message messages, the ID setting module 23 sets IDs of the short message messages in sequence, and the second sending module 24 sends the short message messages to the receiver 3; and, the third receiving module 31 receives the short message sent by the relay server 2, the determining module 32 determines whether all the short message messages are received according to the ID of the received short message, the calculating module 33 calculates the ID of the lost short message according to the ID of the received short message when the determining module 32 determines that the short message messages are not received, and the third sending module 34 sends the ID of the lost short message to the relay server. Therefore, the Beidou short message communication system provided by the invention can solve the problem that the Beidou communication system cannot accurately retrieve communication data when the communication data is lost.
As shown in fig. 5, preferably, the ID setting module 23 includes a selecting unit 231 and a count increasing unit 232; the selecting unit 231 is configured to select the first two bytes of the short message as ID bytes of the short message; the count increment unit 232 is configured to increment the ID from 1 according to the number of short message messages, and increment the ID from 1 again after the ID is incremented to 65535.
It should be noted that, the present invention can increase the ID detection speed by selecting the first two bytes of the short message as the ID bytes, and in addition, the ID is increased from 1 to 65535 and then increased from 1 again, so that the sequential increase can be realized, and repetition and omission are avoided. It should be noted that selecting two bytes as ID bytes is only a preferred scheme of the present invention, and other numbers of bytes may also be selected, and meanwhile, the peak value of the ID number also increases with the increase of the number of bytes, and when the short message is huge, more bytes need to be occupied.
Further, the determining module 32 is configured to determine whether the IDs of the received short message messages are continuous, where if yes, it indicates that the receiver receives all the short message messages, and if not, it indicates that the receiver does not receive all the short message messages.
It should be noted that, by determining the continuity of the ID of the received short message, the present invention can easily know whether there is a message omission. Because the previous IDs are set in order and are increased progressively from 1, when the condition that the IDs of the received short message are discontinuous is found, that is, a message omission is judged, at this time, the receiver does not receive all the short message messages.
As shown in fig. 4, preferably, the transit server 2 further includes a receipt sending module 25, where the receipt sending module 25 is configured to send a receipt message that the short message arrives at to the sender 1 through a beidou communication network; the transmitter 1 further includes a receipt feedback processing module 12, where the receipt feedback processing module 12 is configured to perform processing according to a feedback condition of the receipt message.
It should be noted that, in order to ensure whether the short message of the sender is received by the relay server, the relay server sends a receipt message that the short message arrives to the sender through the beidou communication network, when the sender receives the receipt message, that is, the short message is sent out and the relay server has received the short message, if the sender does not receive the receipt, the relay server does not receive the short message, and at this time, the sender needs to send the short message again.
As shown in fig. 6, further, the receipt feedback processing module 12 includes a retransmission unit 121 and an alert unit 122: the retransmission unit 121 is configured to retransmit the message when the number of times that the sender does not receive the response piece message is less than or equal to a preset number of times; the warning unit 122 is configured to warn that the sending fails when the number of times that the sender does not receive the response piece message is greater than a preset number of times. It should be noted that the failure of the sender to receive the receipt message may be a failure in sending the original task message, or a failure in sending the receipt message. Generally, the signal conditions near the transit server are good, and occasional transmission failures may be caused by occasional environmental factors, but the probability of failure to transmit a receipt message multiple times is low. Therefore, when the receipt message is not received by the sender for less than or equal to a preset number of times, for example, 1 time, the sender may resend the task message and then wait for the relay server to resend the receipt message, thereby confirming whether the originally sent task message completely reaches the relay server. In addition, after the transmitter sends the task message for many times, the transmitter still does not receive the receipt message, which indicates that the task message cannot reach the server or the receipt message cannot reach the terminal.
While the present disclosure has been described in considerable detail and with particular reference to a few illustrative embodiments thereof, it is not intended to be limited to any such details or embodiments or any particular embodiments, but it is to be construed as effectively covering the intended scope of the disclosure by providing a broad, potential interpretation of such claims in view of the prior art with reference to the appended claims. Furthermore, the foregoing describes the disclosure in terms of embodiments foreseen by the inventor for which an enabling description was available, notwithstanding that insubstantial modifications of the disclosure, not presently foreseen, may nonetheless represent equivalent modifications thereto.
Claims (10)
1. A Beidou short message communication method is characterized by comprising the following steps:
s101, a transfer server acquires a plurality of short message messages sent by a sender through a Beidou communication network;
s102, the transfer server stores the received short message and sets the ID of the short message in sequence;
s103, the transfer server sends short message messages to a receiver through the Beidou communication network according to the ID in sequence;
s104, the receiver judges whether all short message messages are received according to the ID of the received short message messages,
s105, if yes, all the short message messages are received normally,
and S106, if the judgment result is no, calculating the ID of the lost short message according to the ID of the received short message, feeding the ID back to the transfer server, and returning to the S103.
2. The beidou short message communication method of claim 1, wherein the step of sequentially setting the IDs of the short message messages comprises:
selecting the first two bytes of the short message as ID bytes of the short message;
and increasing the ID from 1 to 65535, and then increasing from 1 to 65535.
3. The beidou short message communication method of claim 2, wherein the step of judging whether all the short message messages are received by the receiver according to the received ID of the short message comprises:
judging whether the IDs of the received short message messages are continuous or not;
if yes, it shows that the receiver receives all short message messages,
and if not, indicating that the receiver does not receive all short message messages.
4. The beidou short message communication method of claim 1, wherein between steps S101 and S102, further comprising:
the transfer server sends a receipt message of the short message to the sender through a Beidou communication network;
and the transmitter processes according to the feedback condition of the receipt message.
5. The beidou short message communication method of claim 4, wherein the specific step of processing by the transmitter according to the feedback condition of the receipt message comprises:
when the times that the sender does not receive the receipt message are less than or equal to the preset times, the message is resent;
and when the times that the sender does not receive the receipt message are greater than the preset times, displaying that the sending fails.
6. The utility model provides a big dipper short message communication system which characterized in that, includes sender, transfer server and receiver:
the transmitter comprises a first transmitting module, and the first transmitting module is used for transmitting a plurality of short message messages to the transfer server through the Beidou communication network;
the transit server comprises a second receiving module, a storage module, an ID setting module and a second sending module, wherein the second receiving module is used for receiving a plurality of short message messages sent by the sender, the storage module is used for storing the received short message messages, the ID setting module is used for sequentially setting the IDs of the short message messages, and the second sending module is used for sending the short message messages to the receiver;
the receiver comprises a third receiving module, a judging module, a calculating module and a third sending module, wherein the third receiving module is used for receiving the short message sent by the transfer server, the judging module is used for judging whether all the short message messages are received according to the ID of the received short message, the calculating module is used for calculating the ID of the lost short message according to the ID of the received short message when the judging module judges that the short message messages are not received, and the third sending module is used for sending the ID of the lost short message to the transfer server.
7. The beidou short message communication system of claim 6, wherein the ID setting module comprises a selecting unit and a count increasing unit;
the selecting unit is used for selecting the first two bytes of the short message as the ID bytes of the short message;
the counting and incrementing unit is used for incrementing the ID from 1 according to the number of the short message messages, and the ID is incremented from 1 again after the ID is incremented to 65535.
8. The beidou short message communication system of claim 7, wherein the determining module is configured to determine whether the IDs of the received short message messages are continuous, wherein if yes, it indicates that the receiver receives all the short message messages, and if no, it indicates that the receiver does not receive all the short message messages.
9. The beidou short message communication system of claim 6, wherein the transit server further comprises a receipt sending module, the receipt sending module is configured to send a receipt message that the short message arrives at to the sender through beidou communication network; the transmitter also comprises a receipt feedback processing module, and the receipt feedback processing module is used for processing according to the feedback condition of the receipt message.
10. The beidou short message communication system of claim 9, wherein the receipt feedback processing module comprises a retransmission unit and an alert unit:
the retransmission unit is used for retransmitting the message when the number of times that the sender does not receive the receipt message is less than or equal to the preset number of times;
and the warning unit is used for warning that the sending fails when the number of times that the sender does not receive the receipt message is greater than the preset number of times.
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