CN116367308A - Method and device for determining terminal data transmission mode and electronic equipment - Google Patents

Method and device for determining terminal data transmission mode and electronic equipment Download PDF

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Publication number
CN116367308A
CN116367308A CN202310252357.8A CN202310252357A CN116367308A CN 116367308 A CN116367308 A CN 116367308A CN 202310252357 A CN202310252357 A CN 202310252357A CN 116367308 A CN116367308 A CN 116367308A
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China
Prior art keywords
data
link
proxy module
determining
preset value
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CN202310252357.8A
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Chinese (zh)
Inventor
王德乾
陈宏�
杨喆
程增辉
齐浩
何潇
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China Telecom Satellite Communication Branch
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China Telecom Satellite Communication Branch
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Priority to CN202310252357.8A priority Critical patent/CN116367308A/en
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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
    • 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
    • H04B7/18513—Transmission in a satellite or space-based system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The application discloses a method and device for determining a terminal data transmission mode and electronic equipment. Wherein the method comprises the following steps: under the condition that the terminal initiates a first service request, the terminal determines whether the satellite wave beam is in an overlapped coverage area according to the position information and the signal measurement information; under the condition that satellite beams are in an overlapping coverage area, a first proxy module corresponding to the terminal and a second proxy module corresponding to the server end are connected in a double-link mode; determining a data transmission mode of the double-link connection according to the service attribute and the channel link quality; the first proxy module sends the data packet to be transmitted to the second proxy module in a data transmission mode. The method and the device solve the technical problems that the terminal selects the beam based on the signal intensity, the time-frequency resource is not considered, the peak throughput is low, the time is long, partial beam congestion and partial beam idleness in the coverage overlapping area are caused, normal communication of real-time service cannot be met, and the communication scheduling period is long.

Description

Method and device for determining terminal data transmission mode and electronic equipment
Technical Field
The present invention relates to the field of communications, and in particular, to a method and an apparatus for determining a terminal data transmission mode, and an electronic device.
Background
With the large-scale popularization of satellite communication, users using satellite communication grow exponentially, and with the growth of users and the gradual improvement of the requirements on the real-time performance of the communication, the normal communication which cannot meet the high-speed service and the real-time service is caused under the condition of low peak throughput; under the condition of poor satellite cross-beam carrier aggregation effect, the problems of large time delay and quick air interface signal change exist, so that the communication scheduling period becomes long; when the user terminal communicates, the beam is selected based on the signal intensity, and the time-frequency resources are not considered, so that partial beam congestion and partial beam idle situations occur in the coverage overlapping area.
In view of the above problems, no effective solution has been proposed at present.
Disclosure of Invention
The embodiment of the application provides a method, a device and electronic equipment for determining a terminal data transmission mode, which are used for at least solving the technical problems that due to the fact that a terminal selects a beam based on signal intensity, time-frequency resources are not considered, peak throughput is low, time is large, partial beams in a coverage overlapping area are congested, partial beams are idle, normal communication of real-time service cannot be met, and a communication scheduling period is long.
According to an aspect of an embodiment of the present application, there is provided a method for determining a data transmission mode of a terminal, including: under the condition that the terminal initiates a first service request, the terminal determines whether the satellite wave beam is in an overlapped coverage area according to the position information and the signal measurement information; under the condition that satellite beams are in an overlapping coverage area, a first proxy module corresponding to a terminal and a second proxy module corresponding to a server end are connected in a double-link mode, wherein the server end is provided with the second proxy module, and the second proxy module combines and unpacks uplink data received by the server end; determining a data transmission mode of the double-link connection according to the service attribute and the channel link quality; the first proxy module sends the data packet to be transmitted to the second proxy module in a data transmission mode.
Optionally, the establishing a dual-link connection between the first proxy module corresponding to the terminal and the second proxy module corresponding to the server includes: the terminal determines a first satellite beam according to the signal intensity, and establishes a first link, wherein the first signal intensity corresponding to the first satellite beam is the largest in a satellite beam coverage area; the terminal determines a second satellite beam according to the first signal intensity in a satellite beam coverage area, and sends information of the second satellite beam to the base station, wherein the second signal intensity corresponding to the second satellite beam is a satellite beam smaller than the first signal intensity in the satellite beam coverage area, the base station sends a link request corresponding to the information of the second satellite beam to the core network, and the core network establishes a link to the server according to the link request; the terminal receives satellite beam resource scheduling information issued by the base station, and establishes a link with a core network according to the satellite beam resource scheduling information, wherein the link comprises: a first link and a second link.
Optionally, before determining the data transmission mode of the dual link connection according to the service attribute and the channel link quality, the method further includes: determining the size of a data packet; the method comprises the steps of obtaining a transmission state of transmitting a data packet by using any link of double-link connection independently, and determining a link connection mode of a first service request according to the size of the data packet and the transmission state of the data packet, wherein the link connection mode comprises the following steps: single link connection and double link connection, wherein the transmission state is used for indicating whether any link will be blocked.
Optionally, acquiring a transmission state of transmitting a data packet by using any one of the dual-link connection, and determining a link connection mode of the first service request according to a size of the data packet and the transmission state of the data packet, including: acquiring the transmission rate of a data packet transmitted by using any one link in the double-link connection independently, wherein the double-link connection mode is adopted under the condition that the length of the data packet is smaller than a first preset value and the transmission rate is smaller than a second preset value; when the length of the data in the data packet is smaller than a first preset value and the transmission rate is larger than a second preset value, adopting a single link connection mode; when the length of data in the data packet is larger than a first preset value and the transmission rate is smaller than a second preset value, adopting a double-link connection mode; and under the condition that the length of data in the data packet is larger than a first preset value and the transmission rate is larger than a second preset value, adopting a single link connection mode.
Optionally, acquiring a transmission state of transmitting a data packet by using any one of the dual-link connection, and determining a link connection mode of the first service request according to a size of the data packet and the transmission state of the data packet, including: acquiring average time delay or loss times of a plurality of data detection packets sent by a first proxy module to a second proxy module in a preset period; determining to adopt a double-link connection mode under the condition that the length of data in the data packet is smaller than a first preset value and the average time delay is larger than the preset time delay or the loss times are larger than the preset times; determining to adopt a single link connection mode under the condition that the length of data in the data packet is smaller than a first preset value, the average time delay is smaller than the preset time delay or the loss times are smaller than the preset times; determining to adopt a double-link connection mode under the condition that the length of data in the data packet is larger than a first preset value and the average time delay is larger than the preset time delay or the loss times are larger than the preset times; and determining to adopt a single link connection mode under the condition that the length of data in the data packet is larger than a first preset value, the average time delay is smaller than the preset time delay or the loss times are smaller than the preset times.
Optionally, the average time delay over the predetermined period is determined by: the first agent module sends a plurality of data detection packets to the second agent module, and acquires response information returned by the second agent module; determining a receiving time point of each response message received by the first proxy module, determining each difference value corresponding to each group of receiving time points and each sending time point, determining each difference value as a time delay corresponding to each group, and determining an average value of the time delays corresponding to each group as an average time delay, wherein the sending time point is a time point when the first proxy module sends a data detection packet to the second proxy module.
Optionally, the number of losses is determined by: and determining the number of the difference values which are larger than the preset difference value as the number of losing times.
Optionally, before determining the data transmission mode of the dual link connection according to the service attribute and the channel link quality, the method further includes: in the process of determining that the first proxy module transmits the test signal to the second proxy module through the channel link in the target period, the second proxy module receives the signal strength of the test signal at different moments and obtains average received signal strength based on the signal strength at different moments; determining signal-to-noise ratios of the channel links at different moments in a target period, obtaining average signal-to-noise ratios based on the signal-to-noise ratios at the different moments, and obtaining the channel utilization rate of the channel links; the average received signal strength, the average signal to noise ratio and the channel utilization rate are weighted and summed to obtain a channel link quality score; and comparing the quality score of the channel link with a third preset value and a fourth preset value to determine the quality of the channel link, wherein the quality score is higher as the third preset value is smaller than the fourth preset value, and the quality of the channel link is better.
Optionally, before determining the data transmission mode of the dual link connection according to the service attribute and the channel link quality, the method further includes: determining Reference Signal Received Power (RSRP) and signal-to-noise ratio (SNR) in the process that a first proxy module transmits a data detection packet to a second proxy module in a target period; under the condition that the Reference Signal Received Power (RSRP) is smaller than the first received power or the signal-to-noise ratio (SNR) is smaller than the first SNR, the channel link quality score of the channel link is smaller than a third preset value; under the condition that the Reference Signal Received Power (RSRP) is larger than the second received power or the signal-to-noise ratio (SNR) is larger than the second SNR, the channel link quality score of the channel link is larger than a third preset value; under the condition that the reference signal received power RSRP is larger than the third received power or the signal-to-noise ratio SNR is larger than the third signal-to-noise ratio, the channel link quality score of the channel link is larger than a fourth preset value, wherein the third received power is larger than the second received power, and the second received power is larger than the first received power; the third signal-to-noise ratio is greater than the second signal-to-noise ratio, which is greater than the first signal-to-noise ratio; the third preset value is smaller than the fourth preset value.
Optionally, determining the data transmission mode of the dual-link connection according to the service attribute and the channel link quality includes: the length of data in the data packet is smaller than a first preset value, and the channel link quality score is larger than a third preset value, and the data transmission mode is determined to be preferential transmission, wherein the preferential transmission is used for selecting a high-quality link from the double links; and determining the data transmission mode as diversity transmission by the channel links with the data length smaller than the first preset value and the channel link quality score smaller than the third preset value in the data packet, wherein the diversity transmission is used for transmitting service data with the same content in the double link.
Optionally, determining the data transmission mode of the dual-link connection according to the service attribute and the channel link quality includes: the method comprises the steps that in a data packet, the length of data is larger than a first preset value, and the channel link quality score is smaller than a third preset value, the data transmission mode is determined to be diversity transmission, wherein the diversity transmission is used for transmitting service data with the same content in a double link; the data transmission method comprises the steps of determining that a data transmission mode is preferred transmission in a channel link with the length of data in a data packet being larger than a first preset value and the channel link quality score being larger than a third preset value, wherein the preferred transmission is used for selecting a high-quality link from double links; and determining that the data transmission mode is concurrent transmission by a channel link with the data length of the data in the data packet being greater than a first preset value and the channel link quality score being greater than a fourth preset value, wherein the concurrent transmission is used for dividing service data to be transmitted into two parts of data and transmitting the two parts of data in parallel through each link in a double link respectively, one branched link in the double link is used for transmitting one part of data in the two parts of data, the other branched link in the double link is used for transmitting the other part of data in the two parts of data, and the preferential transmission is used for selecting a high-quality link from the double links.
According to another aspect of the embodiments of the present application, there is further provided a method for determining a data transmission manner of a server, including: under the condition that the server receives the second service request, acquiring the position information and signal measurement information of the terminal, and determining whether the satellite wave beam is in an overlapping coverage area; under the condition that satellite beams are in an overlapping coverage area, a second proxy module corresponding to a server side and a first proxy module corresponding to a terminal are connected in a double-link mode, wherein the terminal is provided with the first proxy module, and the first proxy module decodes downlink data received by the terminal; determining a data transmission mode of the double-link connection according to the service attribute and the channel link quality; the second proxy module sends the data packet to be transmitted to the first proxy module in a data transmission mode.
According to another aspect of the embodiments of the present application, there is also provided a communication system including: the terminal is provided with a first proxy module, wherein the first proxy module decodes downlink data received by the terminal; a satellite access network for transmitting data, wherein the satellite access network comprises: a first satellite access network and a second satellite access network; a core network, comprising: an internal gateway and an external gateway, wherein the internal gateway is a network element for distributing data, and the external gateway is a network element for carrying out protocol conversion on the data; the server is provided with a second proxy module, wherein the second proxy module is used for merging and unpacking uplink data received by the server.
According to another aspect of the embodiments of the present application, there is further provided an apparatus for determining a terminal data transmission mode, including: the first determining module is used for determining whether the satellite wave beam is in the overlapping coverage area according to the position information and the signal measurement information under the condition that the terminal initiates a first service request; the connection module is used for establishing double-link connection between the first proxy module corresponding to the terminal and the second proxy module corresponding to the server under the condition that the satellite wave beams are in the overlapping coverage area, wherein the server is provided with the second proxy module, and the second proxy module is used for merging and unpacking uplink data received by the server; the second determining module is used for determining the data transmission mode of the double-link connection according to the service attribute and the channel link quality; the sending module is used for sending the data to be transmitted to the second proxy module by the first proxy module based on a data transmission mode, wherein the transmission mode comprises the following steps: preferred transmission, diversity transmission and concurrent transmission, and service attributes include: the size of the data packet and the transmission rate of the data packet.
According to another aspect of the embodiments of the present application, there is also provided an electronic device, including: a processor; a memory for storing processor-executable instructions; the processor is configured to execute instructions to implement any one of a method for determining a terminal data transmission mode or a method for determining a server data transmission mode.
In the embodiment of the application, a proxy module is added between the terminal and the server, and a double-link connection mode is established between the proxy module of the terminal and the proxy module of the server, so that the terminal determines whether the satellite wave beam is in an overlapping coverage area according to the position information and the signal measurement information under the condition that the terminal initiates a first service request; under the condition that satellite beams are in an overlapping coverage area, a first proxy module corresponding to the terminal and a second proxy module corresponding to the server end are connected in a double-link mode; determining a data transmission mode of the double-link connection according to the service attribute and the channel link quality; the first proxy module sends the data packet to be transmitted to the second proxy module based on the data transmission mode, so that the purpose of adaptively selecting the data transmission mode based on the proxy module in the double-link connection mode is achieved, the peak throughput is improved, the communication scheduling period is reduced, the technical effect of improving the resource utilization rate of the coverage overlapping area is improved, and the technical problems that the terminal selects the wave beam based on the signal intensity, the time-frequency resource is not considered, the peak throughput is low, the time-frequency resource is long, the time is long, part of wave beams in the coverage overlapping area are blocked, part of wave beams are idle, and normal communication of real-time service cannot be met, and the communication scheduling period is long are solved.
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 schematic flow chart of determining a terminal data transmission mode according to an embodiment of the present application;
FIG. 2 is a schematic flow diagram of establishing a dual-link connection according to an embodiment of the present application;
fig. 3 is a schematic flow chart of a data transmission method for determining a dual link connection according to an embodiment of the present application;
fig. 4 is a flowchart illustrating a method for determining a data transmission manner of a server according to an embodiment of the present application;
FIG. 5 is a schematic diagram of a communication system according to an embodiment of the present application;
FIG. 6 is a schematic diagram of a dual link data transmission according to an embodiment of the present application;
fig. 7 is a schematic flow chart of an alternative method for determining a terminal data transmission mode according to an embodiment of the present application;
FIG. 8 is a schematic diagram of a logic framework in which data is transmitted preferentially according to an embodiment of the present application;
FIG. 9 is a schematic diagram of a protocol stack for preferential transmission in accordance with an embodiment of the present application;
Fig. 10 is a schematic diagram of a logic framework of a data transmission mode for diversity transmission according to an embodiment of the present application;
FIG. 11 is a schematic diagram of a protocol stack for diversity transmission according to an embodiment of the present application;
FIG. 12 is a schematic diagram of a logic framework for concurrent transmission of data according to an embodiment of the present application;
FIG. 13 is a schematic diagram of a concurrently transmitted protocol stack according to an embodiment of the present application;
FIG. 14 is a schematic diagram of a system component according to an embodiment of the present application;
fig. 15 is a schematic structural diagram of an apparatus for determining a data transmission mode of a terminal according to an embodiment of the present application;
fig. 16 is a schematic block diagram of an example electronic device 1600 in accordance with 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 embodiments of the present application, there is provided a method embodiment for determining a terminal data transmission manner, 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 illustrated herein.
Fig. 1 is a method for determining a data transmission mode of a terminal according to an embodiment of the present application, as shown in fig. 1, the method includes the following steps:
step S102, under the condition that the terminal initiates a first service request, the terminal determines whether the satellite wave beam is in an overlapped coverage area according to the position information and the signal measurement information;
it should be noted that, the first service request refers to a request sent by the server, that is, a request corresponding to uplink data.
Step S104, under the condition that satellite beams are in an overlapping coverage area, a first proxy module corresponding to the terminal and a second proxy module corresponding to the server end are connected in a double-link mode, wherein the server end is provided with the second proxy module, and the second proxy module combines and unpacks uplink data received by the server end;
step S106, determining the data transmission mode of the double-link connection according to the service attribute and the channel link quality;
it should be noted that, the service attributes include: the size of the data packet and the transmission status of the transmitted data packet.
Step S108, the first proxy module sends the data packet to be transmitted to the second proxy module based on the data transmission mode.
In the embodiment of the application, a proxy module is added between the terminal and the server, and a double-link connection mode is established between the proxy module of the terminal and the proxy module of the server, so that the terminal determines whether the satellite wave beam is in an overlapping coverage area according to the position information and the signal measurement information under the condition that the terminal initiates a first service request; under the condition that satellite beams are in an overlapping coverage area, a first proxy module corresponding to the terminal and a second proxy module corresponding to the server end are connected in a double-link mode; determining a data transmission mode of the double-link connection according to the service attribute and the channel link quality; the first proxy module sends the data packet to be transmitted to the second proxy module based on the data transmission mode, so that the purpose of adaptively selecting the data transmission mode based on the proxy module in the double-link connection mode is achieved, the peak throughput is improved, the communication scheduling period is reduced, the technical effect of improving the resource utilization rate of the coverage overlapping area is improved, and the technical problems that the terminal selects the wave beam based on the signal intensity, the time-frequency resource is not considered, the peak throughput is low, the time-frequency resource is long, the time is long, part of wave beams in the coverage overlapping area are blocked, part of wave beams are idle, and normal communication of real-time service cannot be met, and the communication scheduling period is long are solved.
In an exemplary embodiment of the present application, a first proxy module corresponding to a terminal and a second proxy module corresponding to a server establish a dual-link connection, including: the terminal determines a first satellite beam according to the signal intensity, and establishes a first link, wherein the first signal intensity corresponding to the first satellite beam is the largest in a satellite beam coverage area; the terminal determines a second satellite beam according to the first signal intensity in a satellite beam coverage area, and sends information of the second satellite beam to the base station, wherein the second signal intensity corresponding to the second satellite beam is a satellite beam smaller than the first signal intensity in the satellite beam coverage area, the base station sends a link request corresponding to the information of the second satellite beam to the core network, and the core network establishes a link to the server according to the link request; the terminal receives satellite beam resource scheduling information issued by the base station, and establishes a link with a core network according to the satellite beam resource scheduling information, wherein the link comprises: a first link and a second link.
It will be appreciated that the signal strength corresponding to the first satellite beam is strongest within the satellite beam coverage area and the signal strength corresponding to the second satellite beam is second strongest within the satellite beam coverage area.
Fig. 2 is a schematic flow chart of establishing a dual-link connection according to an embodiment of the present application, as shown in fig. 2, the flow mainly includes the following steps:
(1) Establishing a main beam data link: the beam with the strongest resident signal strength establishes a data link with a core network through a satellite base station;
(2) Reporting the strong beam: the terminal measures the secondary strong wave beam and sends a measurement report to the satellite base station;
(3) Establishing a secondary strong beam link: the base station sends a request for establishing a secondary strong beam link to the core network, and the core network establishes a data link with the base station and a server;
(4) Establishing a dual link: the base station establishes a double link according to the beam with the strongest signal strength and the second strongest beam;
(5) Transmitting data: and transmitting data between the terminal and the server.
In some optional embodiments of the present application, before determining the data transmission mode of the dual link connection according to the service attribute and the channel link quality, the method further includes: determining the size of a data packet; the method comprises the steps of obtaining a transmission state of transmitting a data packet by using any link of double-link connection independently, and determining a link connection mode of a first service request according to the size of the data packet and the transmission state of the data packet, wherein the link connection mode comprises the following steps: single link connection and double link connection, wherein the transmission state is used for indicating whether any link will be blocked.
It should be noted that the data packet includes: the large package service and the small package service are used for video, downloading and uploading, VR/AR, live broadcasting and the like, and the small package service is used for games, webpages, social media and the like.
It should be noted that, the maximum data packet of the large packet service does not exceed 1500 bytes, and the minimum data packet of the small packet service can be 64 bytes.
As an optional implementation manner, obtaining a transmission state of transmitting a data packet by using any one link in the dual-link connection separately, and determining a link connection mode of the first service request according to a size of the data packet and the transmission state of the data packet, including: acquiring the transmission rate of a data packet transmitted by using any one link in the double-link connection independently, wherein the double-link connection mode is adopted under the condition that the length of the data packet is smaller than a first preset value and the transmission rate is smaller than a second preset value; when the length of the data in the data packet is smaller than a first preset value and the transmission rate is larger than a second preset value, adopting a single link connection mode; when the length of data in the data packet is larger than a first preset value and the transmission rate is smaller than a second preset value, adopting a double-link connection mode; and under the condition that the length of data in the data packet is larger than a first preset value and the transmission rate is larger than a second preset value, adopting a single link connection mode.
It will be appreciated that the size packet service is determined by the length of the data in the data packet, and the transmission state of the transmitted data packet is determined by the transmission rate.
As an optional implementation manner, obtaining a transmission state of transmitting a data packet by using any one link in the dual-link connection separately, and determining a link connection mode of the first service request according to a size of the data packet and the transmission state of the data packet, including: acquiring average time delay or loss times of a plurality of data detection packets sent by a first proxy module to a second proxy module in a preset period; determining to adopt a double-link connection mode under the condition that the length of data in the data packet is smaller than a first preset value and the average time delay is larger than the preset time delay or the loss times are larger than the preset times; determining to adopt a single link connection mode under the condition that the length of data in the data packet is smaller than a first preset value, the average time delay is smaller than the preset time delay or the loss times are smaller than the preset times; determining to adopt a double-link connection mode under the condition that the length of data in the data packet is larger than a first preset value and the average time delay is larger than the preset time delay or the loss times are larger than the preset times; and determining to adopt a single link connection mode under the condition that the length of data in the data packet is larger than a first preset value, the average time delay is smaller than the preset time delay or the loss times are smaller than the preset times.
It will be appreciated that the link connection is determined based on the average delay or number of losses of the plurality of data probe packets and the size of the data packets.
In an exemplary embodiment of the present application, the average time delay in a predetermined period is determined by the following method: the first agent module sends a plurality of data detection packets to the second agent module, and acquires response information returned by the second agent module; determining a receiving time point of each response message received by the first proxy module, determining each difference value corresponding to each group of receiving time points and each sending time point, determining each difference value as a time delay corresponding to each group, and determining an average value of the time delays corresponding to each group as an average time delay, wherein the sending time point is a time point when the first proxy module sends a data detection packet to the second proxy module.
It should be noted that, the response information is a message ACK and a message NACK, where the message ACK refers to positive feedback, that is, the server informs the terminal that the response information has been obtained after receiving the data packet, and the message NACK refers to negative feedback, that is, the server informs the terminal when not receiving the data packet.
It should be noted that, the transmitted data packet may be a TCP data packet or a UDP data packet, but the UDP data packet cannot confirm the reply, so that the delay cannot be determined by the UDP data packet, and the delay is determined by the TCP data packet.
As an alternative embodiment, the number of losses is determined by: and determining the number of the difference values which are larger than the preset difference value as the number of losing times.
In some optional embodiments of the present application, before determining the data transmission mode of the dual link connection according to the service attribute and the channel link quality, the method further includes: in the process of determining that the first proxy module transmits the test signal to the second proxy module through the channel link in the target period, the second proxy module receives the signal strength of the test signal at different moments and obtains average received signal strength based on the signal strength at different moments; determining signal-to-noise ratios of the channel links at different moments in a target period, obtaining average signal-to-noise ratios based on the signal-to-noise ratios at the different moments, and obtaining the channel utilization rate of the channel links; the average received signal strength, the average signal to noise ratio and the channel utilization rate are weighted and summed to obtain a channel link quality score; and comparing the quality score of the channel link with a third preset value and a fourth preset value to determine the quality of the channel link, wherein the quality score is higher as the third preset value is smaller than the fourth preset value, and the quality of the channel link is better.
In an exemplary embodiment of the present application, before determining the data transmission mode of the dual link connection according to the service attribute and the channel link quality, the method further includes: determining Reference Signal Received Power (RSRP) and signal-to-noise ratio (SNR) in the process that a first proxy module transmits a data detection packet to a second proxy module in a target period; under the condition that the Reference Signal Received Power (RSRP) is smaller than the first received power or the signal-to-noise ratio (SNR) is smaller than the first SNR, the channel link quality score of the channel link is smaller than a third preset value; under the condition that the Reference Signal Received Power (RSRP) is larger than the second received power or the signal-to-noise ratio (SNR) is larger than the second SNR, the channel link quality score of the channel link is larger than a third preset value; under the condition that the reference signal received power RSRP is larger than the third received power or the signal-to-noise ratio SNR is larger than the third signal-to-noise ratio, the channel link quality score of the channel link is larger than a fourth preset value, wherein the third received power is larger than the second received power, and the second received power is larger than the first received power; the third signal-to-noise ratio is greater than the second signal-to-noise ratio, which is greater than the first signal-to-noise ratio; the third preset value is smaller than the fourth preset value.
Some optional embodiments of the present application determine a data transmission manner of a dual link connection according to a service attribute and a channel link quality, including: the length of data in the data packet is smaller than a first preset value, and the channel link quality score is larger than a third preset value, and the data transmission mode is determined to be preferential transmission, wherein the preferential transmission is used for selecting a high-quality link from the double links; and determining the data transmission mode as diversity transmission by the channel links with the data length smaller than the first preset value and the channel link quality score smaller than the third preset value in the data packet, wherein the diversity transmission is used for transmitting service data with the same content in the double link.
It can be understood that, under the condition of transmitting the data packet corresponding to the packet service, if the channel link quality score of the channel link is high, the data transmission mode can be preferential transmission; if the channel link quality score of the channel link is low, the data transmission mode may be diversity transmission.
Some optional embodiments of the present application determine a data transmission manner of a dual link connection according to a service attribute and a channel link quality, including: the method comprises the steps that in a data packet, the length of data is larger than a first preset value, and the channel link quality score is smaller than a third preset value, the data transmission mode is determined to be diversity transmission, wherein the diversity transmission is used for transmitting service data with the same content in a double link; the data transmission method comprises the steps of determining that a data transmission mode is preferred transmission in a channel link with the length of data in a data packet being larger than a first preset value and the channel link quality score being larger than a third preset value, wherein the preferred transmission is used for selecting a high-quality link from double links; and determining that the data transmission mode is concurrent transmission by a channel link with the data length of the data in the data packet being greater than a first preset value and the channel link quality score being greater than a fourth preset value, wherein the concurrent transmission is used for dividing service data to be transmitted into two parts of data and transmitting the two parts of data in parallel through each link in a double link respectively, one branched link in the double link is used for transmitting one part of data in the two parts of data, the other branched link in the double link is used for transmitting the other part of data in the two parts of data, and the preferential transmission is used for selecting a high-quality link from the double links.
It can be understood that, in the case of transmitting the data packet corresponding to the large packet service, if the channel link quality score of the channel link is the highest, the data transmission mode may be concurrent transmission; if the channel link quality score of the channel link is higher, the data transmission mode can be preferential transmission; if the channel link quality score of the channel link is low, the data transmission mode may be diversity transmission.
Fig. 3 is a schematic flow chart of determining a data transmission mode of a dual-link connection according to an embodiment of the present application, as shown in fig. 3, the flow mainly includes the following steps:
3.1, when a terminal initiates a service request, judging the size of a data packet to be transmitted;
3.2, judging the transmission state of the data packet to be transmitted when the data packet to be transmitted is a small packet service;
3.2.1, when the data packet to be transmitted is a small packet service, the transmission state is a card, a double-link connection is established, and the link quality is judged;
3.2.1.1, when the data packet to be transmitted is a packet service, the transmission state is a stuck state, the link quality is poor, and a transmission mode of diversity transmission is adopted;
3.2.1.2, when the data packet to be transmitted is a packet service, the transmission state is a stuck state, the link quality is good, and a preferred transmission mode is adopted;
3.2.2, when the data packet to be transmitted is a packet service, the transmission state is not blocked, and a single link connection is established;
3.3, judging the transmission state of the data packet to be transmitted when the data packet to be transmitted is a large packet service;
3.3.1, when the data packet to be transmitted is a large packet service, the transmission state is a card, a double-link connection is established, and the link quality is judged;
3.3.1.1, when the data packet to be transmitted is a large packet service, the transmission state is a stuck state, the link quality is poor, and a transmission mode of diversity transmission is adopted;
3.3.1.2, when the data packet to be transmitted is a large packet service, the transmission state is a stuck state, the link quality is good, and a preferred transmission mode is adopted;
3.3.1.3 when the data packet to be transmitted is a large packet service, the transmission state is a katon, the link quality is excellent, and a transmission mode of concurrent transmission is adopted;
and 3.3.2, when the data packet to be transmitted is a large packet service, the transmission state is not blocked, and a single link connection is established.
Fig. 4 is a flowchart of determining a data transmission mode of a server according to an embodiment of the present application, as shown in fig. 4, the method includes the following steps:
step S402, under the condition that a second service request is received, the server acquires position information and signal measurement information of the terminal and determines whether satellite beams are in an overlapping coverage area;
Step S404, when the satellite wave beam is in the overlapping coverage area, the second proxy module corresponding to the service end and the first proxy module corresponding to the terminal establish double-link connection, wherein the terminal is provided with the first proxy module, and the first proxy module decodes the downlink data received by the terminal;
step S406, determining the data transmission mode of the double-link connection according to the service attribute and the channel link quality;
in step S408, the second proxy module sends the data packet to be transmitted to the first proxy module by the data transmission mode.
In the embodiment of the application, a proxy module is added between the terminal and the server, a double-link connection mode is established between the terminal proxy module and the server proxy module, and the position information and the signal measurement information of the terminal are acquired by the server under the condition that a second service request is received, so that whether satellite beams are in an overlapping coverage area is determined; under the condition that satellite beams are in an overlapping coverage area, a second proxy module corresponding to a server side and a first proxy module corresponding to a terminal are connected in a double-link mode, wherein the terminal is provided with the first proxy module, and the first proxy module decodes downlink data received by the terminal; determining a data transmission mode of the double-link connection according to the service attribute and the channel link quality; the second proxy module sends the data packet to be transmitted to the first proxy module based on the data transmission mode, so that the purpose of adaptively selecting the data transmission mode based on the proxy module in the double-link connection mode is achieved, the technical effects of improving peak throughput, reducing communication scheduling period and improving the resource utilization rate of the coverage overlapping area are achieved, and the technical problems that the terminal selects beams based on signal intensity, time-frequency resources are not considered, the peak throughput is low, time is long, partial beams in the coverage overlapping area are blocked, partial beams are idle, normal communication of real-time service cannot be met, and the communication scheduling period is long are solved.
Fig. 5 is a schematic diagram of a communication system according to an embodiment of the present application, as shown in fig. 5, including: the terminal is provided with a first proxy module, wherein the first proxy module decodes downlink data received by the terminal; a satellite access network for transmitting data, wherein the satellite access network comprises: a first satellite access network and a second satellite access network; a core network, comprising: an internal gateway and an external gateway, wherein the internal gateway is a network element for distributing data, and the external gateway is a network element for carrying out protocol conversion on the data; the server is provided with a second proxy module, wherein the second proxy module is used for merging and unpacking uplink data received by the server.
Fig. 6 is a schematic diagram of a dual link data transmission according to an embodiment of the present application, as shown in fig. 6, the schematic diagram includes:
(1) Satellite beam: including satellite beam 1 and satellite beam 2, i.e., satellite beam 1 overlaps satellite beam 2;
(2) And the gateway station: the system comprises a gateway station 1 and a gateway station 2, namely a base station ground module of a satellite communication system;
(3) Core network: the method comprises the steps that an internal gateway is an external gateway, wherein the internal gateway is a network element for data responsible for IP data distribution, and the external gateway is a network element for realizing protocol conversion;
(4) The server side: i.e. the service server, is typically placed in the public network.
In order to facilitate a better understanding of the technical solutions of the present application, a specific embodiment will now be described.
Fig. 7 is a schematic flow chart of an alternative method for determining a terminal data transmission mode according to an embodiment of the present application, as shown in fig. 7, the flow mainly includes the following steps:
(1) Under the condition that the terminal initiates a request (namely the first service request) to the service end, the terminal determines whether the satellite wave beam is in an overlapped coverage area according to the position information and the signal measurement information, determines the satellite wave beam for communication, and establishes a data service link according to the satellite wave beam;
it should be noted that, the data service link established according to the satellite beam is a link of the dual link connection mode.
(2) Classifying the size of the service (namely the data packet to be transmitted) according to a data classification mechanism and marking the service;
(3) Determining a transmission state (i.e. whether a card is on) of a service (i.e. the data packet to be transmitted) according to a data packet detection mechanism;
(4) And determining a data transmission mode of the double-link connection according to the service attribute of the initiating request and the quality of the channel link, and sending the data packet to be transmitted to a proxy module corresponding to the server.
It should be noted that, the service attributes include: the size of the data packet and the transmission status of the transmitted data packet.
Fig. 8 is a schematic diagram of a logic framework of preferential transmission in a data transmission manner according to an embodiment of the present application, and as shown in fig. 8, the process mainly includes the following steps:
8.1, transmitting downlink data:
8.1.1, the remote host sends the data to the agent module for processing;
8.1.2, the agent module of the server side sends the same data to the satellite access network in parallel, and the links in the dual links are preferentially selected according to the time delay and the speed;
8.1.3, the proxy module of the server sends the data packet through the confirmed link, the data packet reaches the core network, the core network transmits the data packet to the proxy module of the terminal;
8.1.4, after receiving the data, the satellite access network sends the data to a proxy module of the terminal;
and 8.1.5, after receiving the data, the proxy module of the terminal sends the data to an application layer of the terminal, and if the period of the received data packet exceeds the target period, the link is reselected.
8.2, transmitting uplink data:
8.2.1, the terminal application layer sends the data packet to the proxy module;
8.2.2, the agent module of the terminal sends the same data to the satellite access network in parallel, and the links in the dual links are preferentially selected according to the time delay and the speed;
8.2.3, the proxy module of the terminal sends a data packet through the determined link, and the data packet reaches the satellite access network;
8.2.4, after the core network receives the data packet, the data packet is transmitted to the server side;
8.2.5, the proxy module of the server receives the data packet and then sends the data packet to the application layer;
8.2.8 the remote host receives the data packet and reselects the link if the period of receiving the data packet exceeds the target period.
Fig. 9 is a schematic diagram of a protocol stack for preferential transmission according to an embodiment of the present application, as shown in fig. 9, including: the mechanism of preferential transmission of the double-link connection is established on a transmission layer protocol TCP/UDP, and has no change to an access layer protocol; when the transmission layer protocol TCP/UDP layer transmits data, the proxy module performs link preference and transmits data on a high-quality link; the access stratum on the wireless side is not aware.
Fig. 10 is a schematic diagram of a logic framework of a data transmission mode for diversity transmission according to an embodiment of the present application;
10.1, transmitting downlink data:
10.1.1, the remote host sends data to the proxy module;
10.1.2, the agent module copies the application layer data packet and marks the data packet respectively;
10.1.3, the core network sends the data to the satellite access network respectively;
10.1.4, the satellite access network respectively forwards the data to the terminal;
10.1.5, the terminal agent module merges the application layer data packets and forwards the application layer data packets to an application layer;
10.1.6, the application layer receives the data.
10.2, transmitting uplink data:
10.2.1, the mobile phone application layer prepares data and forwards the data to the proxy module;
10.2.2. the agent module copies the application layer data packet;
10.2.3. the agent module sends the data to the satellite access network respectively, and the access network transmits the data through;
10.2.4. the core network transparently transmits application layer data;
10.2.5. the proxy module of the server merges the application layer data packets;
10.2.6. the application layer receives the data.
Fig. 11 is a schematic diagram of a protocol stack for diversity transmission according to an embodiment of the present application, as shown in fig. 11, including: the diversity transmission mechanism of the double-link connection is established on a transmission layer protocol TCP/UDP without any change to an access layer protocol; when the transmission layer protocol TCP/UDP layer sends data, the proxy module copies the IP data packet, and the packet head is the same as the data block; marking, and distinguishing links in the packet heads; the access stratum on the wireless side is not aware.
FIG. 12 is a schematic diagram of a logic framework for concurrent transmission of data according to an embodiment of the present application;
12.1, transmitting downlink data:
12.1.1, the remote host sends the data to the agent module;
12.1.2, the agent module disassembles the application layer data packet and marks the application layer data packet respectively;
12.1.3, the core network sends the data to the satellite access network respectively;
12.1.4, the satellite access network respectively forwards the data to the terminal;
12.1.5, the proxy module of the terminal carries out packaging on the application layer data packet and forwards the application layer data packet to the application layer according to the label carried by the data packet;
12.1.6, the application layer receives the data.
12.2, transmitting uplink data:
12.2.1, the remote host sends the data to the agent module;
12.2.2, the agent module disassembles the application layer data packet and marks the application layer data packet respectively;
12.2.3, the core network respectively transmits the data to the satellite access network;
12.2.4, the satellite access network respectively forwards the data to the terminal;
12.2.5, the proxy module of the terminal carries out packaging on the application layer data packet and forwards the application layer data packet to the application layer according to the label carried by the data packet;
12.2.6, the application layer receives the data.
Fig. 13 is a schematic diagram of a protocol stack for concurrent transmission according to an embodiment of the present application, as shown in fig. 13, where the schematic diagram includes: the concurrent sending mechanism of the double-link connection is established on a transmission layer protocol TCP/UDP, and has no change to an access layer protocol; when the transmission layer protocol TCP/UDP layer sends data, the proxy module copies the IP data packet, and the packet head and the data block are identical; marking, and distinguishing links in the packet heads; the access stratum on the wireless side is not aware.
Fig. 14 is a schematic diagram of a system component, as shown in fig. 14, according to an embodiment of the present application, the schematic diagram including:
(1) A position sensor assembly: the present mechanism requires a position sensor to provide a real-time position;
(2) A communication component: the system comprises an AP module, an application layer module and an L1/L2 module;
(3) And (3) an AP module: is responsible for interacting with the sensor module, acquiring rate data, and providing rate data to the ML 1;
(4) An application layer module: responsible for splitting, reorganizing and merging user data;
(5) L1/L2 module: the core network is responsible for processing related data processing and resource scheduling;
(6) IP layer: and the method is responsible for splitting and recombining the IP data packets and routing the IP data packets.
Fig. 15 is a schematic structural diagram of an apparatus for determining a data transmission mode of a terminal according to an embodiment of the present application, as shown in fig. 15, where the apparatus includes:
a first determining module 150, configured to determine, when the terminal initiates the first service request, whether the satellite beam is in the overlapping coverage area according to the location information and the signal measurement information;
the connection module 152 is configured to establish a dual-link connection between a first proxy module corresponding to the terminal and a second proxy module corresponding to the server when the satellite beam is in the overlapping coverage area, where the server is provided with the second proxy module, and the second proxy module merges and unpacks uplink data received by the server;
A second determining module 154, configured to determine a data transmission manner of the dual link connection according to the service attribute and the channel link quality;
the sending module 156 is configured to send the data to be transmitted to the second proxy module by using a data transmission manner, where the transmission manner includes: preferred transmission, diversity transmission and concurrent transmission, and service attributes include: the size of the data packet and the transmission rate of the data packet.
In the device, a first determining module 150 is configured to determine, when a terminal initiates a first service request, whether a satellite beam is in an overlapping coverage area according to location information and signal measurement information; the connection module 152 is configured to establish a dual-link connection between a first proxy module corresponding to the terminal and a second proxy module corresponding to the server when the satellite beam is in the overlapping coverage area, where the server is provided with the second proxy module, and the second proxy module merges and unpacks uplink data received by the server; a second determining module 154, configured to determine a data transmission manner of the dual link connection according to the service attribute and the channel link quality; the sending module 156 is configured to send the data to be transmitted to the second proxy module by using a data transmission manner, where the transmission manner includes: preferred transmission, diversity transmission and concurrent transmission, and service attributes include: the size of the data packet and the transmission rate of the data packet achieve the purpose of adaptively selecting a data transmission mode based on the proxy module in a double-link connection mode, thereby realizing the technical effects of improving peak throughput, reducing communication scheduling period and improving the resource utilization rate of a coverage overlapping area, and further solving the technical problems that the terminal selects beams based on signal intensity, time-frequency resources are not considered, the peak throughput is low, time is long, partial beams in the coverage overlapping area are blocked, partial beams are idle, normal communication of real-time service cannot be met, and the communication scheduling period is long.
In an exemplary embodiment of the present application, a computer program product is also provided, including a computer program, where the computer program when executed by a processor implements any of the above methods for determining a terminal data transmission manner or a method for determining a server data transmission manner.
Optionally, the computer program may, when executed by a processor, implement the steps of:
under the condition that the terminal initiates a first service request, the terminal determines whether the satellite wave beam is in an overlapped coverage area according to the position information and the signal measurement information; under the condition that satellite beams are in an overlapping coverage area, a first proxy module corresponding to the terminal and a second proxy module corresponding to the server end are connected in a double-link mode; determining a data transmission mode of the double-link connection according to the service attribute and the channel link quality; the first proxy module sends the data packet to be transmitted to the second proxy module in a data transmission mode.
Under the condition that the server receives the second service request, acquiring the position information and signal measurement information of the terminal, and determining whether the satellite wave beam is in an overlapping coverage area; under the condition that satellite beams are in an overlapping coverage area, a second proxy module corresponding to a server side and a first proxy module corresponding to a terminal are connected in a double-link mode; determining a data transmission mode of the double-link connection according to the service attribute and the channel link quality; the second proxy module sends the data packet to be transmitted to the first proxy module in a data transmission mode.
There is provided, according to an embodiment of the present application, an electronic device including: at least one processor; and a memory communicatively coupled to the at least one processor; the memory stores instructions executable by the at least one processor, where the instructions are executable by the at least one processor, so that the at least one processor can execute any one of the methods for determining a terminal data transmission mode or the method for determining a server data transmission mode.
Optionally, the electronic device may further include a transmission device and an input/output device, where the transmission device is connected to the processor, and the input device is connected to the processor.
Fig. 16 is a schematic block diagram of an example electronic device 1600 in accordance with an embodiment of the present application. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. The electronic device may also represent various forms of mobile devices, such as personal digital processing, cellular telephones, smartphones, wearable devices, and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the application described and/or claimed herein.
As shown in fig. 16, the apparatus 1600 includes a computing unit 1601 that can perform various appropriate actions and processes according to a computer program stored in a Read Only Memory (ROM) 1602 or a computer program loaded from a storage unit 1608 into a Random Access Memory (RAM) 1603. In RAM1603, various programs and data required for operation of device 1600 may also be stored. The computing unit 1601, ROM1602, and RAM1603 are connected to each other by a bus 1604. An input/output (I/O) interface 1605 is also connected to the bus 1604.
Various components in device 1600 are connected to I/O interface 1605, including: an input unit 1606 such as a keyboard, a mouse, and the like; an output unit 1607 such as various types of displays, speakers, and the like; a storage unit 1608, such as a magnetic disk, an optical disk, or the like; and a communication unit 1609, such as a network card, modem, wireless communication transceiver, or the like. Communication unit 1609 allows device 1600 to exchange information/data with other devices via a computer network, such as the internet, and/or various telecommunications networks.
The computing unit 1601 may be a variety of general purpose and/or special purpose processing components with processing and computing capabilities. Some examples of computing unit 1601 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various specialized Artificial Intelligence (AI) computing chips, various computing units running machine learning model algorithms, a Digital Signal Processor (DSP), and any suitable processor, controller, microcontroller, etc. The computing unit 1601 performs the respective methods and processes described above, for example, a method of determining a terminal data transmission manner or a method of determining a server data transmission manner. For example, in some embodiments, the method of determining a terminal data transmission manner or the method of determining a server data transmission manner may be implemented as a computer software program tangibly embodied on a machine-readable medium, such as the storage unit 1608. In some embodiments, some or all of the computer programs may be loaded and/or installed onto device 1600 via ROM1602 and/or communication unit 1609. When the computer program is loaded into the RAM1603 and executed by the computing unit 1601, one or more steps of the method of determining a terminal data transmission manner or the method of determining a server data transmission manner described above may be performed. Alternatively, in other embodiments, the computing unit 1601 may be configured by any other suitable means (e.g. by means of firmware) to perform the method of determining the terminal data transmission means or the method of determining the server data transmission means.
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuit systems, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), systems On Chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs, the one or more computer programs may be executed and/or interpreted on a programmable system including at least one programmable processor, which may be a special purpose or general-purpose programmable processor, that may receive data and instructions from, and transmit data and instructions to, a storage system, at least one input device, and at least one output device.
Program code for carrying out methods of the present application may be written in any combination of one or more programming languages. These program code may be provided to a processor or controller of a general purpose computer, special purpose computer, or other programmable data processing apparatus such that the program code, when executed by the processor or controller, causes the functions/operations specified in the flowchart and/or block diagram to be implemented. The program code may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of this application, a machine-readable medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. The machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on a computer having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and pointing device (e.g., a mouse or trackball) by which a user can provide input to the computer. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a background component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such background, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), and the internet.
The computer system may include a client and a server. The client and server are typically remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server may be a cloud server, a server of a distributed system, or a server incorporating a blockchain.
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 embodied in essence or a part contributing to the prior art or all or part of the technical solution 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 (15)

1. A method for determining a data transmission mode of a terminal, comprising:
under the condition that a terminal initiates a first service request, the terminal determines whether satellite beams are in an overlapping coverage area according to the position information and the signal measurement information;
under the condition that the satellite wave beams are in an overlapping coverage area, a first proxy module corresponding to the terminal and a second proxy module corresponding to the server end are connected in a double-link mode, wherein the server end is provided with the second proxy module, and the second proxy module combines and unpacks uplink data received by the server end;
determining a data transmission mode of the double-link connection according to the service attribute and the channel link quality;
the first proxy module sends the data packet to be transmitted to the second proxy module based on the data transmission mode.
2. The method of claim 1, wherein the establishing a dual-link connection between the first proxy module corresponding to the terminal and the second proxy module corresponding to the server includes:
The terminal determines a first satellite beam according to the signal intensity, and establishes a first link, wherein the first signal intensity corresponding to the first satellite beam is the largest in a satellite beam coverage area;
the terminal determines a second satellite beam in a satellite beam coverage area according to the first signal intensity, and sends information of the second satellite beam to a base station, wherein the second signal intensity corresponding to the second satellite beam is a satellite beam smaller than the first signal intensity in the satellite beam coverage area, the base station sends a link request corresponding to the information of the second satellite beam to a core network, and the core network establishes a link to the server according to the link request;
the terminal receives satellite beam resource scheduling information issued by the base station, and establishes a link with the core network according to the satellite beam resource scheduling information, wherein the link comprises: the first link and the second link.
3. The method of claim 1, wherein prior to determining the data transmission mode of the dual link connection based on the traffic attributes and the channel link quality, the method further comprises:
Determining the size of the data packet;
the transmission state of transmitting the data packet by singly using any one link of the double-link connection is obtained, and the link connection mode of the first service request is determined according to the size of the data packet and the transmission state of the data packet, wherein the link connection mode comprises: the transmission state is used for indicating whether any link is blocked or not.
4. The method of claim 3, wherein obtaining the transmission status of the data packet transmitted by using any one of the two links separately, and determining the link connection mode of the first service request according to the size of the data packet and the transmission status of the data packet, comprises:
acquiring the transmission rate of transmitting the data packet by singly using any one link in the double-link connection, and adopting a double-link connection mode under the condition that the length of data in the data packet is smaller than a first preset value and the transmission rate is smaller than a second preset value;
when the length of the data in the data packet is smaller than the first preset value and the transmission rate is larger than the second preset value, adopting a single link connection mode;
When the length of the data in the data packet is larger than the first preset value and the transmission rate is smaller than the second preset value, adopting a double-link connection mode;
and under the condition that the length of data in the data packet is larger than the first preset value and the transmission rate is larger than the second preset value, adopting a single link connection mode.
5. The method of claim 3, wherein obtaining the transmission status of the data packet transmitted by using any one of the two links separately, and determining the link connection mode of the first service request according to the size of the data packet and the transmission status of the data packet, comprises:
acquiring average time delay or loss times of the plurality of data detection packets sent by the first proxy module to the second proxy module in a preset period;
determining to adopt a double-link connection mode under the condition that the length of data in the data packet is smaller than a first preset value, and the average time delay is larger than a preset time delay or the loss times are larger than a preset times;
determining to adopt a single link connection mode when the length of data in the data packet is smaller than the first preset value, the average time delay is smaller than the preset time delay or the loss times are smaller than the preset times;
Determining to adopt a double-link connection mode when the length of data in the data packet is larger than the first preset value and the average time delay is larger than the preset time delay or the loss times are larger than the preset times;
and determining to adopt a single link connection mode under the condition that the length of data in the data packet is larger than the first preset value, the average time delay is smaller than the preset time delay or the loss times are smaller than the preset times.
6. The method of claim 5, wherein the average time delay over the predetermined period is determined by:
the first proxy module sends a plurality of data detection packets to the second proxy module and acquires response information returned by the second proxy module;
determining a receiving time point of each response message received by the first proxy module, determining each difference value corresponding to each group of receiving time points and each sending time point, determining each difference value as a time delay corresponding to each group, and determining an average value of the time delays corresponding to each group as the average time delay, wherein the sending time point is a time point when the first proxy module sends the data detection packet to the second proxy module.
7. The method of claim 6, wherein the number of losses is determined by:
and determining the number of the difference values which are larger than a preset difference value as the loss times.
8. The method of claim 4, wherein prior to determining the data transmission mode of the dual link connection based on the traffic attributes and channel link quality, the method further comprises:
in the process of determining that the first proxy module transmits the test signal to the second proxy module through the channel link in the target period, the second proxy module receives the signal strength of the test signal at different moments and obtains average received signal strength based on the signal strength at different moments;
determining signal-to-noise ratios of the channel links at different moments in the target period, obtaining average signal-to-noise ratios based on the signal-to-noise ratios at the different moments, and obtaining the channel utilization rate of the channel links;
the average received signal strength, the average signal to noise ratio and the channel utilization rate are weighted and summed to obtain a channel link quality score;
and comparing the quality score of the channel link with a third preset value and a fourth preset value to determine the quality of the channel link, wherein the third preset value is smaller than the fourth preset value, and the higher the quality score is, the better the quality of the channel link is.
9. The method of claim 4, wherein prior to determining the data transmission mode of the dual link connection based on the traffic attributes and channel link quality, the method further comprises:
determining Reference Signal Received Power (RSRP) and signal-to-noise ratio (SNR) in the process that the first proxy module transmits the data detection packet to the second proxy module in a target period;
under the condition that the Reference Signal Received Power (RSRP) is smaller than the first received power or the signal-to-noise ratio (SNR) is smaller than the first SNR, the channel link quality score of the channel link is smaller than a third preset value;
under the condition that the Reference Signal Received Power (RSRP) is larger than the second received power or the signal-to-noise ratio (SNR) is larger than the second SNR, the channel link quality score of the channel link is larger than the third preset value;
when the reference signal received power RSRP is greater than a third received power, or the signal-to-noise ratio SNR is greater than a third signal-to-noise ratio, the channel link quality score of the channel link is greater than a fourth preset value, wherein the third received power is greater than the second received power, and the second received power is greater than the first received power; the third signal-to-noise ratio is greater than the second signal-to-noise ratio, which is greater than the first signal-to-noise ratio; the third preset value is smaller than the fourth preset value.
10. The method according to claim 8 or claim 9, wherein determining the data transmission manner of the dual link connection according to the service attribute and the channel link quality comprises:
the length of the data in the data packet is smaller than the first preset value, and the channel link quality score is larger than the channel link of the third preset value, and the data transmission mode is determined to be preferential transmission, wherein the preferential transmission is used for selecting a high-quality link from the double links;
and determining the data transmission mode as diversity transmission by the channel link with the data length smaller than the first preset value and the channel link quality score smaller than the third preset value, wherein the diversity transmission is used for transmitting service data with the same content in the dual link.
11. The method according to claim 8 or claim 9, wherein determining the data transmission manner of the dual link connection according to the service attribute and the channel link quality comprises:
the data transmission mode is determined to be diversity transmission in the channel link, wherein the length of the data in the data packet is larger than the first preset value, the channel link quality score is smaller than the third preset value, and the diversity transmission is used for transmitting service data with the same content in the double links;
Determining that the data transmission mode is preferred transmission in a channel link with the data length in the data packet being greater than the first preset value and the channel link quality score being greater than the third preset value, wherein the preferred transmission is used for selecting a high-quality link from a double-link;
and determining that the data transmission mode is concurrent transmission by a channel link with the data length in the data packet being greater than the first preset value and the channel link quality score being greater than the fourth preset value, wherein the concurrent transmission is used for dividing the service data to be transmitted into two parts of data and transmitting the two parts of data in parallel through each link in the dual link respectively, one branched link in the dual link is used for transmitting one part of data in the two parts of data, the other branched link in the dual link is used for transmitting the other part of data in the two parts of data, and the preferential transmission is used for selecting a high-quality link from the dual links.
12. A method for determining a data transmission mode of a server, comprising:
under the condition that the server receives the second service request, acquiring the position information and signal measurement information of the terminal, and determining whether the satellite wave beam is in an overlapping coverage area;
Under the condition that the satellite beams are in an overlapping coverage area, a second proxy module corresponding to a server side and a first proxy module corresponding to the terminal are connected in a double-link mode, wherein the terminal is provided with the first proxy module, and the first proxy module decodes downlink data received by the terminal;
determining a data transmission mode of the double-link connection according to the service attribute and the channel link quality;
the second proxy module sends the data packet to be transmitted to the first proxy module in a data transmission mode.
13. A communication system, comprising:
the terminal is provided with a first proxy module, wherein the first proxy module decodes downlink data received by the terminal;
a satellite access network for transmitting data, wherein the satellite access network comprises: a first satellite access network and a second satellite access network;
a core network, comprising: an internal gateway and an external gateway, wherein the internal gateway is a network element for distributing the data, and the external gateway is a network element for performing protocol conversion on the data;
and the server is provided with a second proxy module, wherein the second proxy module is used for merging and unpacking the uplink data received by the server.
14. An apparatus for determining a data transmission mode of a terminal, comprising:
the first determining module is used for determining whether the satellite wave beam is in the overlapped coverage area according to the position information and the signal measurement information under the condition that the terminal initiates a first service request;
the connection module is used for establishing double-link connection between a first proxy module corresponding to the terminal and a second proxy module corresponding to the server under the condition that the satellite wave beams are in an overlapped coverage area, wherein the server is provided with the second proxy module, and the second proxy module is used for merging and unpacking uplink data received by the server;
the second determining module is used for determining the data transmission mode of the double-link connection according to the service attribute and the channel link quality;
the sending module is configured to send data to be transmitted to the second proxy module by using the first proxy module based on the data transmission mode, where the transmission mode includes: preferred transmission, diversity transmission and concurrent transmission, wherein the service attribute comprises: the size of the data packet and the transmission rate of the data packet.
15. An electronic device, comprising:
A processor;
a memory for storing the processor-executable instructions;
wherein the processor is configured to execute the instructions to implement the method for determining a terminal data transmission manner according to any one of claims 1 to 11 or the method for determining a server data transmission manner according to claim 12.
CN202310252357.8A 2023-03-10 2023-03-10 Method and device for determining terminal data transmission mode and electronic equipment Pending CN116367308A (en)

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CN110098899A (en) * 2018-01-31 2019-08-06 国广融合（北京）传媒科技发展有限公司 A method of protocol stack, data based on fusion Transmission system retransmit
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