CN116406003A - Data transmission method, system, device and nonvolatile storage medium - Google Patents
Data transmission method, system, device and nonvolatile storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
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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
- H04B7/18519—Operations control, administration or maintenance
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
Abstract
The application discloses a data transmission method, a data transmission system, a data transmission device and a nonvolatile storage medium. Wherein the method comprises the following steps: determining a first beam and a second beam from a plurality of satellite beams in a target area where the terminal equipment is located, wherein the first beam is transmitted by a first satellite network, and the second beam is transmitted by a second satellite network; determining a first data link provided by a first satellite network between the terminal equipment and the server side and a second data link provided by a second satellite network between the terminal equipment and the server side; determining a target link from the first data link and the second data link; and transmitting the data to be transmitted to the server side from the terminal equipment through the target link. The method and the device solve the technical problem that in the prior art, the link congestion corresponding to one part of the beams occurs in the satellite signal overlapping coverage area caused by selecting the data transmission link based on the signal intensity only, and the link corresponding to the other part of the beams is idle.
Description
Technical Field
The present invention relates to the field of satellite communications systems, and in particular, to a data transmission method, system, device, and non-volatile storage medium.
Background
With the large-scale popularization of satellite communication, users grow exponentially, and the beam coverage of satellites is also wider and wider. However, in the prior art, the data transmission link is selected only based on the signal strength, and the situation that the data transmission link corresponding to one part of the beams is congested and the data transmission link corresponding to the other part of the beams is idle occurs in the area covered by the satellite signal overlapping caused by the selection may result in low efficiency of data transmission.
In view of the above problems, no effective solution has been proposed at present.
Disclosure of Invention
The embodiment of the application provides a data transmission method, a system, a device and a nonvolatile storage medium, which at least solve the technical problem that in the prior art, a part of beams correspond to link congestion in an area overlapping satellite signals and the other part of beams correspond to links which are idle because a data transmission link is selected only based on signal strength.
According to an aspect of an embodiment of the present application, there is provided a data transmission method, including: determining a first beam and a second beam from a plurality of satellite beams in a target area where the terminal equipment is located, wherein the first beam is transmitted by a first satellite network, and the second beam is transmitted by a second satellite network; determining a first data link provided by a first satellite network between the terminal equipment and the server side and a second data link provided by a second satellite network between the terminal equipment and the server side; determining a target link from the first data link and the second data link; and transmitting the data to be transmitted to the server side from the terminal equipment through the target link.
Optionally, determining the first beam and the second beam from the plurality of satellite beams in the target area where the terminal device is located includes: acquiring geographic position information and signal measurement information of terminal equipment; determining whether the terminal equipment is positioned in the target area according to the geographic position information and the signal measurement information; acquiring a plurality of satellite beams of a plurality of satellites corresponding to a target area under the condition that a terminal device is located in the target area; a beam of the plurality of satellite beams having a signal strength within a first range is determined as a first beam and a beam of the plurality of satellite beams having a signal strength within a second range is determined as a second beam.
Optionally, determining the target link from the first data link and the second data link includes: simultaneously and respectively transmitting the same first sequence from the terminal equipment to the server through a first data link and a second data link in a target period, wherein the first sequence is a random sequence with a label; receiving a second sequence, wherein the second sequence is a sequence sent to the terminal equipment by the server in response to the first sequence; determining a feature corresponding to the first data link and a feature corresponding to the second data link according to the second sequence, wherein the feature comprises at least one of the following: time delay and rate; and determining the target link according to the characteristics corresponding to the first data link and the characteristics corresponding to the second data link.
Optionally, determining a second data link provided by a second satellite network between the terminal device and the server, including: establishing a second sub-data link between access network equipment corresponding to the first satellite network and core network equipment corresponding to the second satellite network, wherein the access network equipment and terminal equipment have a first sub-data link; establishing a third sub-data link between the core network equipment and the server; and determining a second data link provided by a second satellite network between the terminal equipment and the server according to the first sub data link, the second sub data link and the third sub data link.
Optionally, the second sub-data link and the third sub-data link are established by: generating a measurement report based on the second beam, and sending the measurement report to access network equipment corresponding to the first satellite network; according to the measurement report, a first request is sent from the access network equipment to core network equipment corresponding to a second satellite network, wherein the first request is used for requesting to establish a second sub-data link between the access network equipment and the core network equipment and a third sub-data link between the core network equipment and a server side; in response to the first request, a second sub-data link between the core network device and the access network device is established, and a third sub-data link between the core network device and the server is established.
Optionally, the second data link is established by: after the establishment of the second sub-data link and the third sub-data link is completed, resource scheduling information based on the second beam is sent from the access network equipment to the terminal equipment; and receiving the resource scheduling information, and establishing a second data link with the server, wherein the second data link comprises a first sub-data link, a second sub-data link and a third sub-data link.
Optionally, the terminal device and the server both include: the system comprises an application layer, a transmission layer, a network layer and a protocol layer, wherein the transmission layer of the terminal equipment and the transmission layer of the server side perform data transmission through an agent module.
Optionally, the transmission layer of the terminal device and the transmission layer of the server both perform data transmission based on a transmission control protocol and a user datagram protocol.
According to still another aspect of the embodiments of the present application, there is further provided a data transmission method, including: determining a first data link provided by a first satellite network between a server and terminal equipment and a second data link provided by a second satellite network between the server and the terminal equipment, wherein a first beam transmitted by the first satellite network and a second beam transmitted by the second satellite network are beams in a target area where the terminal equipment is located; determining a target link from the first data link and the second data link; and transmitting the data to be transmitted to the terminal equipment from the server through the target link.
Optionally, determining the target link from the first data link and the second data link includes: simultaneously and respectively transmitting the same first sequence from the server to the terminal equipment through a first data link and a second data link in a target period, wherein the first sequence is a random sequence with a label; receiving a second sequence, wherein the second sequence is a sequence sent to a server by the terminal equipment in response to the first sequence; determining a feature corresponding to the first data link and a feature corresponding to the second data link according to the second sequence, wherein the feature comprises at least one of the following: time delay and rate; and determining the target link according to the characteristics corresponding to the first data link and the characteristics corresponding to the second data link.
According to still another aspect of the embodiments of the present application, there is further provided a data transmission system, including: the system comprises a terminal device, a satellite network and a server, wherein the terminal device is positioned in a target area at least covered by a first beam and a second beam; the satellite network includes: a first satellite network and a second satellite network, wherein the first satellite network is configured to transmit a first beam and the second satellite network is configured to transmit a second beam; the terminal device determines a target link from a first data link provided by the first satellite network and a second data link provided by the second satellite network, and transmits data to be transmitted to the server side through the target link.
Optionally, the terminal device and the server side both comprise proxy modules, wherein the terminal device and the server side perform data transmission through the proxy modules.
Optionally, the first satellite network includes a first access network device and a first core network device, and the second satellite network includes a second access network device and a second core network device, where the first access network device and the second access network device are respectively configured to receive the same first sequence that is sent in parallel by the proxy module of the terminal device through the first data link and the second data link in a target period, where the first sequence is a random sequence with a tag; the first access network device and the second access network device are further configured to send the received first sequence to the first core network device and the second core network device through the first data link and the second data link, respectively; the first core network device and the second core network device are respectively used for transparently transmitting the received first sequence to the proxy module of the server through the first data link and the second data link, wherein the proxy module of the server is used for sending the received first sequence to the application layer of the server.
According to still another aspect of the embodiments of the present application, there is further provided a nonvolatile storage medium, where the storage medium includes a stored program, and when the program runs, the device where the storage medium is controlled to execute the above data transmission method.
According to still another aspect of the embodiments of the present application, there is also provided an electronic device, including: the device comprises a memory and a processor, wherein the processor is used for running a program stored in the memory, and the program runs to execute the data transmission method.
In the embodiment of the application, a first beam and a second beam are determined from a plurality of satellite beams in a target area where a terminal device is located, wherein the first beam is transmitted by a first satellite network, and the second beam is transmitted by a second satellite network; determining a first data link provided by a first satellite network between the terminal equipment and the server side and a second data link provided by a second satellite network between the terminal equipment and the server side; determining a target link from the first data link and the second data link; the method for transmitting the data to be transmitted from the terminal equipment to the server through the target link achieves the aim of selecting the data transmission link based on the time-frequency resources by determining the data link with sufficient time-frequency resources in a plurality of data links and then transmitting the data through the data link, thereby achieving the technical effect of improving the data transmission efficiency, and further solving the technical problem that the link congestion corresponding to one part of beams occurs in the area covered by satellite signal overlapping caused by selecting the data transmission link only based on the signal intensity in the prior art, and the link corresponding to the other part of beams is idle.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a flow chart of a method of transmitting data according to an embodiment of the present application;
FIG. 2 is a flow chart of another method of data transmission according to an embodiment of the present application;
FIG. 3 is a flow chart of another method of data transmission according to an embodiment of the present application;
fig. 4 is a schematic diagram of data transmission between a terminal device and a server according to an embodiment of the present application;
fig. 5 is a schematic diagram of a protocol stack for data transmission between a terminal device and a server according to an embodiment of the present application;
fig. 6 is a block diagram of a data transmission system according to an embodiment of the present application;
fig. 7 is a block diagram of a data transmission apparatus according to an embodiment of the present application;
fig. 8 is a block diagram of a hardware structure of a computer terminal (or electronic device) of a data transmission method according to an embodiment of the present application.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
According to the embodiments of the present application, there is provided a method embodiment of a data transmission method, it should be noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system such as a set of computer executable instructions, and that although a logical order is illustrated in the flowchart, in some cases, the steps illustrated or described may be performed in an order different from that herein.
Fig. 1 is a flowchart of a data transmission method according to an embodiment of the present application, as shown in fig. 1, the method includes the following steps:
step S102, determining a first beam and a second beam from a plurality of satellite beams in a target area where the terminal device is located, where the first beam is transmitted by a first satellite network and the second beam is transmitted by a second satellite network.
According to an alternative embodiment of the present application, the present embodiment is applicable to the following scenarios:
1. different beams of the same satellite cover the overlapping area and are connected to different core networks; 2. different satellites cover overlapping areas and are connected to different core networks; 3. different satellite networks cover the overlap area and are connected to different core networks.
Thus, it is understood that the first satellite network and the second satellite network may be the same satellite network, or the first satellite network and the second satellite network may be different satellite networks. Moreover, the number of second satellite networks is one or more and the number of beams transmitted by the second satellite network is one or more.
Step S104, determining a first data link provided by a first satellite network between the terminal device and the server, and a second data link provided by a second satellite network between the terminal device and the server.
According to another alternative embodiment of the present application, fig. 4 is a schematic diagram of data transmission between a terminal device and a server according to an embodiment of the present application, where, as shown in fig. 4, a first data link is provided between the terminal device and the server by a first satellite network, and a second data link is provided between the terminal device and the server by a second satellite network.
The first beam is the beam with the strongest signal intensity in the area where the terminal equipment is located, and the first satellite network is the satellite network transmitting the first beam. First, the terminal device selects a first beam and establishes a first data link between the terminal device and the server provided by a first satellite network. And secondly, the terminal equipment selects a second beam, wherein the second beam is the beam with the second strongest signal intensity in the area where the terminal equipment is positioned, and the number of the beams is one or more. And establishing a second data link between the terminal device and the server provided by the first satellite network.
Step S106, determining a target link from the first data link and the second data link.
In some optional embodiments of the present application, the same first sequence is sent in parallel from the terminal device to the server through the first data link and the second data link simultaneously in the target period, where the first sequence is a random sequence with a tag; receiving a second sequence, wherein the second sequence is a sequence sent to the terminal equipment by the server in response to the first sequence; determining the corresponding characteristics of the first data link and the corresponding time delay characteristics of the second data link according to the second sequence; and determining the target link according to the first delay characteristic corresponding to the first data link and the second delay characteristic corresponding to the second data link. Where latency refers to the time required for a message or packet to travel from one end of a network to another. Comprising the following steps: transmission delay, propagation delay, processing delay, queuing delay. In this embodiment, the first delay characteristic and the second delay characteristic are the sum of the transmission delay, the propagation delay, the processing delay, and the queuing delay, respectively. For example, in the case that the first delay corresponding to the first data link is smaller than the second delay corresponding to the second data link, the first data link is determined to be the target link.
Step S108, the data to be transmitted is transmitted from the terminal equipment to the server through the target link.
According to the steps, the data links with sufficient time-frequency resources in the plurality of data links are determined, and then data transmission is carried out through the data links, so that the purpose of selecting the data transmission links based on the time-frequency resources is achieved, and the technical effect of improving the data transmission efficiency is achieved.
In addition, compared with the current single link connection, the preferential transceiving of the application layer multilink data can remarkably improve the throughput capacity of the network, and can realize the resource balance among different beams, and the method comprises the following steps of:
1. introducing a multi-link data round-robin function, selecting an optimal link, and improving the peak rate of part of scenes by more than 50%; 2. the idle resources covering the overlapping area can be fully utilized, and the resource utilization rate is improved.
According to an alternative embodiment of the present application, determining a first beam and a second beam from a plurality of satellite beams within a target area where a terminal device is located, comprises the steps of: acquiring geographic position information and signal measurement information of terminal equipment; determining whether the terminal equipment is positioned in the target area according to the geographic position information and the signal measurement information; acquiring a plurality of satellite beams of a plurality of satellites corresponding to a target area under the condition that a terminal device is located in the target area; a beam of the plurality of satellite beams having a signal strength within a first range is determined as a first beam and a beam of the plurality of satellite beams having a signal strength within a second range is determined as a second beam.
The target area is an area where a plurality of satellite beams overlap, and the first beam is an exemplary beam with the strongest signal strength, and when the number of the second beams is plural, for example, the second beams include an a beam and a B beam, where the signal strengths of the a beam and the B beam are both smaller than the signal strength of the first beam, and the signal strength of the a beam is greater than the signal strength of the B beam.
In some alternative embodiments of the present application, determining the target link from the first data link and the second data link may be implemented by: simultaneously and respectively transmitting the same first sequence from the terminal equipment to the server through a first data link and a second data link in a target period, wherein the first sequence is a random sequence with a label; receiving a second sequence, wherein the second sequence is a sequence sent to the terminal equipment by the server in response to the first sequence; determining a feature corresponding to the first data link and a feature corresponding to the second data link according to the second sequence, wherein the feature comprises at least one of the following: time delay and rate; and determining the target link according to the characteristics corresponding to the first data link and the characteristics corresponding to the second data link.
As an optional embodiment of the present application, the application layer of the terminal device sends the data to be transmitted to the proxy module of the terminal device, where the proxy module of the terminal device sends the same first sequence from the terminal device to the server in parallel in a period T1, for example, one minute, through the first data link and the second data link, respectively, and if the transmission period does not meet the requirement of one minute, for example, more than one minute, the application layer of the terminal device sends the data to be transmitted to the proxy module of the terminal device again.
In some alternative embodiments of the present application, determining a second data link between the terminal device and the server provided by the second satellite network is implemented by: establishing a second sub-data link between access network equipment corresponding to the first satellite network and core network equipment corresponding to the second satellite network, wherein the access network equipment and terminal equipment have a first sub-data link; establishing a third sub-data link between the core network equipment and the server; and determining a second data link provided by a second satellite network between the terminal equipment and the server according to the first sub data link, the second sub data link and the third sub data link.
Optionally, the access network corresponding to the first satellite network and the access network corresponding to the second satellite network are base station modules.
Fig. 4 is a schematic diagram of data transmission between a terminal device and a Server according to an embodiment of the present application, in fig. 4, taking a second data link as an example, a data link between the terminal device and an access network device is a first sub-data link, a data link between the access network device and a core network device is a second sub-data link, and a data link between the core network device and the Server is a third sub-data link.
In an alternative embodiment, the second sub-data link and the third sub-data link are established by: generating a measurement report based on the second beam, and sending the measurement report to access network equipment corresponding to the first satellite network; according to the measurement report, a first request is sent from the access network equipment to core network equipment corresponding to a second satellite network, wherein the first request is used for requesting to establish a second sub-data link between the access network equipment and the core network equipment and a third sub-data link between the core network equipment and a server side; in response to the first request, a second sub-data link between the core network device and the access network device is established, and a third sub-data link between the core network device and the server is established.
According to an alternative embodiment of the present application, the second data link is established by: after the establishment of the second sub-data link and the third sub-data link is completed, resource scheduling information based on the second beam is sent from the access network equipment to the terminal equipment; and receiving the resource scheduling information, and establishing a second data link with the server, wherein the second data link comprises a first sub-data link, a second sub-data link and a third sub-data link.
In some optional embodiments of the present application, the terminal device and the server each include: the system comprises an application layer, a transmission layer, a network layer and a protocol layer, wherein the transmission layer of the terminal equipment and the transmission layer of the server side perform data transmission through an agent module.
As an optional embodiment of the present application, the transport layer of the terminal device and the transport layer of the server perform data transmission based on the transmission control protocol and the user datagram protocol.
Fig. 5 is a schematic diagram of a protocol stack of data transmission between a terminal device and a server according to an embodiment of the present application, where, as shown in fig. 5, a transmission layer of the terminal device and a transmission layer of the server both perform data transmission based on a transmission control protocol and a user datagram protocol, and there is no change to a protocol of an access layer; when the transmission layer transmits the multi-link data, the proxy module of the terminal equipment firstly performs link preference, and then transmits the data on the high-quality link.
Fig. 2 is a flowchart of another data transmission method according to an embodiment of the present application, as shown in fig. 2, the method includes the following steps:
step S202, a first data link provided by a first satellite network between a server and a terminal device and a second data link provided by a second satellite network between the server and the terminal device are determined, wherein a first beam transmitted by the first satellite network and a second beam transmitted by the second satellite network are beams in a target area where the terminal device is located.
Step S204, determining a target link from the first data link and the second data link; and transmitting the data to be transmitted to the terminal equipment from the server through the target link.
As an alternative embodiment of the present application, determining the target link from the first data link and the second data link comprises the steps of: simultaneously and respectively transmitting the same first sequence from the server to the terminal equipment through a first data link and a second data link in a target period, wherein the first sequence is a random sequence with a label; receiving a second sequence, wherein the second sequence is a sequence sent to a server by the terminal equipment in response to the first sequence; determining a feature corresponding to the first data link and a feature corresponding to the second data link according to the second sequence, wherein the feature comprises at least one of the following: time delay and rate; and determining the target link according to the characteristics corresponding to the first data link and the characteristics corresponding to the second data link.
In step S206, the data to be transmitted is transmitted from the server to the terminal device through the target link.
Fig. 3 is a flowchart of another data transmission method according to an embodiment of the present application, as shown in fig. 3, the method includes the following steps:
step S301, a terminal device initiates a service;
step S302, entering different states according to the position of the terminal equipment:
step S3021, if the area where the terminal device is located does not overlap the covered satellite signals, the terminal performs normal data transmission;
step S3022, if the area where the terminal device is located has the satellite signals with overlapping coverage, the terminal establishes a dual data transmission link with the server;
step S303, when the terminal executes the data transmission, executing step S304-step S307; when the terminal executes the received data, steps S308 to S311 are executed;
step S304, the proxy module of the terminal device executes transmission path preference;
the Agent module (Agent) is a process deployed between the terminal equipment and the client, and the terminal equipment and the server interact through the Agent of the Agent module.
With 1 minute as a period, the terminal device simultaneously and respectively transmits the same random sequence with the tag to the server through the first data link and the second data link, for example, the random sequence transmitted to the first data link is provided with the tag 1, and the random sequence transmitted to the second data link is provided with the tag 2. The terminal equipment receiving server responds to the random sequence and sends the sequence to the terminal equipment, and the sequence is also provided with a label. And the terminal equipment determines the transmission rate or transmission delay of the random sequence in the first data link and the second data link respectively according to the time before and after the random sequence is received, and finally selects the data link with higher transmission rate, namely the high-quality link.
Step S305, the agent module of the terminal equipment sends data to the access network equipment of the high-quality link;
step S306, after receiving the data, the core network device forwards the data to the remote host;
step S307, the remote host receives the data;
step S308, the proxy module execution path of the server is preferential;
step S309, the proxy module of the server sends data to the core network through the high-quality link;
step S310, the core network sends data to the access network;
step S311, the access network sends data to the terminal equipment, and the proxy module of the terminal equipment receives the data.
Through the steps, on the premise of not increasing hardware cost, the multi-link round-robin function is realized by arranging the proxy module at the terminal and the server, and the peak rate is improved; by establishing the double-link connection in the beam coverage overlapping area, the technical effect of improving the peak rate by utilizing the existing idle resources is achieved under the condition that the beams are not increased.
Fig. 6 is a block diagram of a data transmission system according to an embodiment of the present application, and as shown in fig. 6, the system includes: a terminal device 60, a satellite network 62, and a server 64, wherein,
the terminal device 60 is located in a target area covered by at least a first beam and a second beam;
The satellite network 62 includes: a first satellite network 621 and a second satellite network 622, wherein the first satellite network 621 is configured to transmit a first beam and the second satellite network 622 is configured to transmit a second beam;
the terminal device 60 determines a target link from the first data link provided by the first satellite network 621 and the second data link provided by the second satellite network 622, through which data to be transmitted is transmitted by the terminal device 60 to the server 64.
As another optional embodiment of the present application, the terminal device 60 and the server 64 each include a proxy module, where the terminal device 60 and the server 64 perform data transmission through the proxy module.
In an alternative embodiment, the first satellite network 621 includes a first access network device 6211 and a first core network device 6212, and the second satellite network 622 includes a second access network device 6221 and a second core network device 6222, where the first access network device 6211 and the second access network device 6221 are respectively configured to receive the same first sequence that is sent by the proxy module of the terminal device 60 in parallel over the first data link and the second data link in the target period, where the first sequence is a random sequence with a tag; the first access network device 6211 and the second access network device 6221 are further configured to send the received first sequence to the first core network device 6212 and the second core network device 6222 via the first data link and the second data link, respectively; the first core network device 6212 and the second core network device 6222 are configured to transparently transmit the received first sequence to the proxy module of the server 64 through the first data link and the second data link, respectively, where the proxy module of the server 64 is configured to send the received first sequence to an application layer of the server 64.
Fig. 7 is a block diagram of a data transmission apparatus according to an embodiment of the present application, and as shown in fig. 7, the apparatus includes:
a first determining module 70, configured to determine a first beam and a second beam from a plurality of satellite beams in a target area where the terminal device is located, where the first beam is transmitted by a first satellite network and the second beam is transmitted by a second satellite network;
a second determining module 72, configured to determine a first data link provided by the first satellite network between the terminal device and the server, and a second data link provided by the second satellite network between the terminal device and the server;
a third determining module 74 for determining a target link from the first data link and the second data link;
and the transmission module 76 is used for transmitting the data to be transmitted from the terminal equipment to the server through the target link.
Note that each module in fig. 7 may be a program module (for example, a set of program instructions for implementing a specific function), or may be a hardware module, and for the latter, it may be represented by the following form, but is not limited thereto: the expression forms of the modules are all a processor, or the functions of the modules are realized by one processor.
It should be noted that, the preferred implementation manner of the embodiment shown in fig. 7 may refer to the related description of the embodiment shown in fig. 1, which is not repeated herein.
Fig. 8 shows a block diagram of a hardware structure of a computer terminal (or mobile device) for implementing a data transmission method. As shown in fig. 8, the computer terminal 80 (or mobile device 80) may include one or more processors 802 (shown in the figures as 802a, 802b, … …,802 n) (the processor 802 may include, but is not limited to, a microprocessor MCU or a processing device such as a programmable logic device FPGA), a memory 804 for storing data, and a transmission module 806 for communication functions. In addition, the method may further include: a display, an input/output interface (I/O interface), a Universal Serial BUS (USB) port (which may be included as one of the ports of the BUS), a network interface, a power supply, and/or a camera. It will be appreciated by those of ordinary skill in the art that the configuration shown in fig. 8 is merely illustrative and is not intended to limit the configuration of the electronic device described above. For example, the computer terminal 80 may also include more or fewer components than shown in FIG. 8, or have a different configuration than shown in FIG. 8.
It should be noted that the one or more processors 802 and/or other data processing circuits described above may be referred to herein generally as "data processing circuits. The data processing circuit may be embodied in whole or in part in software, hardware, firmware, or any other combination. Furthermore, the data processing circuitry may be a single stand-alone processing module, or incorporated, in whole or in part, into any of the other elements in the computer terminal 80 (or mobile device). As referred to in the embodiments of the present application, the data processing circuit acts as a processor control (e.g., selection of the path of the variable resistor termination to interface).
The memory 804 may be used to store software programs and modules of application software, such as program instructions/data storage devices corresponding to the data transmission method in the embodiments of the present application, and the processor 802 executes the software programs and modules stored in the memory 804, thereby executing various functional applications and data processing, that is, implementing the data transmission method described above. The memory 804 may include high-speed random access memory, but may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory. In some examples, the memory 804 may further include memory located remotely from the processor 802, which may be connected to the computer terminal 80 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The transmission module 806 is used to receive or transmit data via a network. The specific examples of the network described above may include a wireless network provided by a communication provider of the computer terminal 80. In one example, the transmission module 806 includes a network adapter (Network Interface Controller, NIC) that can connect to other network devices through a base station to communicate with the internet. In one example, the transmission module 806 may be a Radio Frequency (RF) module for communicating with the internet wirelessly.
The display may be, for example, a touch screen type Liquid Crystal Display (LCD) that may enable a user to interact with a user interface of the computer terminal 80 (or mobile device).
It should be noted here that, in some alternative embodiments, the computer device (or the electronic device) shown in fig. 8 may include hardware elements (including circuits), software elements (including computer code stored on a computer readable medium), or a combination of both hardware elements and software elements. It should be noted that fig. 8 is only one example of a specific example, and is intended to illustrate the types of components that may be present in the computer device (or electronic device) described above.
It should be noted that, the electronic device shown in fig. 8 is configured to execute the data transmission method shown in fig. 1, so the explanation of the method for executing the command is also applicable to the electronic device, and will not be repeated here.
The embodiment of the application also provides a nonvolatile storage medium, which comprises a stored program, wherein the program controls the equipment where the storage medium is located to execute the data transmission method when running.
The nonvolatile storage medium executes a program of the following functions: determining a first beam and a second beam from a plurality of satellite beams in a target area where the terminal equipment is located, wherein the first beam is transmitted by a first satellite network, and the second beam is transmitted by a second satellite network; determining a first data link provided by a first satellite network between the terminal equipment and the server side and a second data link provided by a second satellite network between the terminal equipment and the server side; determining a target link from the first data link and the second data link; and transmitting the data to be transmitted to the server side from the terminal equipment through the target link.
The embodiment of the application also provides electronic equipment, which comprises: the device comprises a memory and a processor, wherein the processor is used for running a program stored in the memory, and the program runs to execute the data transmission method.
The processor is configured to execute a program that performs the following functions: determining a first beam and a second beam from a plurality of satellite beams in a target area where the terminal equipment is located, wherein the first beam is transmitted by a first satellite network, and the second beam is transmitted by a second satellite network; determining a first data link provided by a first satellite network between the terminal equipment and the server side and a second data link provided by a second satellite network between the terminal equipment and the server side; determining a target link from the first data link and the second data link; and transmitting the data to be transmitted to the server side from the terminal equipment through the target link.
The foregoing embodiment numbers of the present application are merely for describing, and do not represent advantages or disadvantages of the embodiments.
In the foregoing embodiments of the present application, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed technology content may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, for example, may be a logic function division, and may be implemented in another manner, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be essentially or a part contributing to the related art or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium, including several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely a preferred embodiment of the present application and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present application and are intended to be comprehended within the scope of the present application.
Claims (16)
1. A method of transmitting data, comprising:
determining a first beam and a second beam from a plurality of satellite beams in a target area where a terminal device is located, wherein the first beam is transmitted by a first satellite network, and the second beam is transmitted by a second satellite network;
determining a first data link provided by the first satellite network between the terminal equipment and a server side and a second data link provided by the second satellite network between the terminal equipment and the server side;
determining a target link from the first data link and the second data link;
and transmitting the data to be transmitted to the server side through the target link by the terminal equipment.
2. The method of claim 1, wherein determining the first beam and the second beam from a plurality of satellite beams within a target area in which the terminal device is located comprises:
Obtaining geographic position information and signal measurement information of the terminal equipment;
determining whether the terminal equipment is located in the target area according to the geographic position information and the signal measurement information;
acquiring a plurality of satellite beams of a plurality of satellites corresponding to the target area under the condition that the terminal equipment is located in the target area;
and determining a beam with signal strength in a first range in the plurality of satellite beams as the first beam, and determining a beam with signal strength in a second range in the plurality of satellite beams as the second beam.
3. The method of claim 1, wherein determining a target link from the first data link and the second data link comprises:
simultaneously and respectively transmitting the same first sequence from the terminal equipment to the service end through the first data link and the second data link in a target period, wherein the first sequence is a random sequence with a label;
receiving a second sequence, wherein the second sequence is a sequence sent to the terminal equipment by the server in response to the first sequence;
Determining a feature corresponding to the first data link and a feature corresponding to the second data link according to the second sequence, wherein the feature comprises at least one of the following: time delay and rate;
and determining the target link according to the characteristics corresponding to the first data link and the characteristics corresponding to the second data link.
4. The method of claim 1, wherein determining a second data link between the terminal device and the server provided by the second satellite network comprises:
establishing a second sub-data link between access network equipment corresponding to the first satellite network and core network equipment corresponding to the second satellite network, wherein the access network equipment and the terminal equipment have a first sub-data link;
establishing a third sub-data link between the core network equipment and the server;
and determining a second data link provided by the second satellite network between the terminal equipment and the service end according to the first sub data link, the second sub data link and the third sub data link.
5. The method of claim 4, wherein the second sub-data link and the third sub-data link are established by:
Generating a measurement report based on the second beam, and sending the measurement report to the access network equipment corresponding to the first satellite network;
according to the measurement report, a first request is sent from the access network device to core network equipment corresponding to the second satellite network, wherein the first request is used for requesting to establish a second sub-data link between the access network device and the core network device and establish a third sub-data link between the core network device and the server;
in response to the first request, the second sub-data link between the core network device and the access network device is established, and the third sub-data link between the core network device and the server is established.
6. The method of claim 4, wherein the second data link is established by:
after the second sub-data link and the third sub-data link are established, resource scheduling information based on the second beam is sent from the access network equipment to the terminal equipment;
and receiving the resource scheduling information, and establishing the second data link with the server, wherein the second data link comprises the first sub-data link, the second sub-data link and the third sub-data link.
7. The method of claim 1, wherein the terminal device and the server each comprise: the system comprises an application layer, a transmission layer, a network layer and a protocol layer, wherein the transmission layer of the terminal equipment and the transmission layer of the server side perform data transmission through a proxy module.
8. The method of claim 7, wherein the transport layer of the terminal device and the transport layer of the server are both based on a transmission control protocol and a user datagram protocol for data transmission.
9. A method of transmitting data, comprising:
determining a first data link provided by a first satellite network between a service end and terminal equipment and a second data link provided by a second satellite network between the service end and the terminal equipment, wherein a first beam transmitted by the first satellite network and a second beam transmitted by the second satellite network are beams in a target area where the terminal equipment is located;
determining a target link from the first data link and the second data link;
and transmitting the data to be transmitted from the server to the terminal equipment through the target link.
10. The method of claim 9, wherein determining a target link from the first data link and the second data link comprises:
simultaneously and respectively transmitting the same first sequence from the service end to the terminal equipment through the first data link and the second data link in a target period, wherein the first sequence is a random sequence with a label;
receiving a second sequence, wherein the second sequence is a sequence sent to the server by the terminal equipment in response to the first sequence;
determining a feature corresponding to the first data link and a feature corresponding to the second data link according to the second sequence, wherein the feature comprises at least one of the following: time delay and rate;
and determining the target link according to the characteristics corresponding to the first data link and the characteristics corresponding to the second data link.
11. A data transmission system, comprising: the system comprises terminal equipment, a satellite network and a server, wherein the terminal equipment is positioned in a target area at least covered by a first wave beam and a second wave beam;
the satellite network includes: a first satellite network and a second satellite network, wherein the first satellite network is used for transmitting the first beam and the second satellite network is used for transmitting the second beam;
The terminal equipment determines a target link from a first data link provided by the first satellite network and a second data link provided by the second satellite network, and data to be transmitted is transmitted to the server end through the target link.
12. The system of claim 11, wherein the terminal device and the server each comprise a proxy module, and wherein the terminal device and the server perform data transmission through the proxy modules.
13. The system of claim 12, wherein the first satellite network comprises a first access network device and a first core network device, and the second satellite network comprises a second access network device and a second core network device, wherein,
the first access network device and the second access network device are respectively used for receiving the same first sequence which is sent in parallel by the proxy module of the terminal device through the first data link and the second data link in a target period, wherein the first sequence is a random sequence with a label;
the first access network device and the second access network device are further configured to send the received first sequence to the first core network device and the second core network device through the first data link and the second data link, respectively;
The first core network device and the second core network device are respectively configured to transparently transmit the received first sequence to a proxy module of the server through the first data link and the second data link, where the proxy module of the server is configured to send the received first sequence to an application layer of the server.
14. A data transmission apparatus, comprising:
a first determining module, configured to determine a first beam and a second beam from a plurality of satellite beams in a target area where a terminal device is located, where the first beam is transmitted by a first satellite network and the second beam is transmitted by a second satellite network;
a second determining module, configured to determine a first data link provided by the first satellite network between the terminal device and a server, and a second data link provided by the second satellite network between the terminal device and the server;
a third determining module for determining a target link from the first data link and the second data link;
and the transmission module is used for transmitting the data to be transmitted from the terminal equipment to the server through the target link.
15. A non-volatile storage medium, characterized in that the non-volatile storage medium comprises a stored program, wherein the program, when run, controls a device in which the non-volatile storage medium is located to perform the method of transmitting data according to any one of claims 1 to 10.
16. An electronic device, comprising: a memory and a processor for executing a program stored in the memory, wherein the program is executed to perform the data transmission method according to any one of claims 1 to 10.
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| CN202310213078.0A CN116406003A (en) | 2023-03-06 | 2023-03-06 | Data transmission method, system, device and nonvolatile storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310213078.0A CN116406003A (en) | 2023-03-06 | 2023-03-06 | Data transmission method, system, device and nonvolatile storage medium |
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Cited By (1)
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| CN116318353A (en) * | 2023-03-10 | 2023-06-23 | 中国电信股份有限公司卫星通信分公司 | Communication method of communication satellite terminal and storage medium |
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