CN106921448B - Method and device for testing satellite communication system - Google Patents
Method and device for testing satellite communication system Download PDFInfo
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- CN106921448B CN106921448B CN201510991325.5A CN201510991325A CN106921448B CN 106921448 B CN106921448 B CN 106921448B CN 201510991325 A CN201510991325 A CN 201510991325A CN 106921448 B CN106921448 B CN 106921448B
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Abstract
The invention provides a test method and a test device for a satellite communication system, wherein the method comprises the following steps: the simulation end station accesses the target master station through the simulation satellite link, wherein the simulation end station and the simulation satellite link are generated through preset simulation parameters, the simulation end station generates a data message of multiple users, and the simulation end station sends the data message to the target master station through the simulation satellite link, so that the problem that a satellite broadband communication system needs to occupy limited satellite resources during testing is solved, the limited satellite resources do not need to be occupied any more, and the testing cost is reduced.
Description
Technical Field
The invention relates to the field of communication, in particular to a test method and a test device for a satellite communication system.
Background
The technical feasibility of Satellite broadband access has been demonstrated for many years, and Digital Video Broadcasting has been commercially successful in the related art and related architecture, back through the open standard of Satellite channels (DVB-RCS for short). The DVB-RCS standard is a truly open standard that allows interoperability of products from different vendors that implement the DVB-RCS standard.
The satellite broadband communication method has the advantages that the problem that data transmission between an end station and a main station in satellite communication is high in delay, high in jitter and prone to packet loss is solved, the main station of the satellite broadband communication supports access of thousands of end stations, a large number of real end stations cannot pass through during system testing, and the main station is accessed to the main station through expensive and limited satellite resources to conduct system testing, so that cost of the system testing is high.
Aiming at the problem that a satellite broadband communication system test needs to occupy limited satellite resources in the related technology, an effective solution is not available at present.
Disclosure of Invention
The invention provides a test method and a test device of a satellite communication system, which at least solve the problem that the satellite broadband communication system in the related technology needs to occupy limited satellite resources in the test.
According to an aspect of the present invention, there is provided a test method of a satellite communication system, including:
the method comprises the following steps that a simulation end station is accessed to a target master station through a simulation satellite link, wherein the simulation end station and the simulation satellite link are generated through preset simulation parameters;
the simulation end station generates a data message of multiple users;
and the simulation end station sends the data message to the target master station through the simulation satellite link.
Further, the generating a multi-user data message by the analog end station and sending the multi-user data message to the target master station by the analog end station includes:
after the simulation end station generates a data message of multiple users, packaging the data message according to a preset rule;
and the simulation end station sends the encapsulated data message to the target master station through the simulation satellite link.
Further, the access of the simulation end station to the target master station through the simulation satellite link comprises:
the simulation end station sends an access request message to the target master station through the simulation satellite link;
and the simulation end station receives a first notification message which is sent by the target master station and corresponds to the access request message through the simulation satellite link, wherein the first notification message indicates that the simulation end station successfully accesses the target master station.
Further, after the analog end station sends the access request message to the target master station through the analog satellite link, the method includes:
the simulation end station sets the simulation satellite link to discard a first notification message which is sent by the target master station and corresponds to the access request sending message;
and the simulation end station receives a second notification message which is sent again by the target master station and corresponds to the sending access request message through the simulation satellite link, wherein the second notification message indicates that the simulation end station successfully accesses the target master station.
Further, after the analog end station accesses the target master station through the analog satellite link, the method includes:
the simulation end station sets the simulation satellite link to discard the data message;
and the simulation end station receives a first release message of the target master station, wherein the first release message is used for indicating the simulation end station to release the process.
Further, after the analog end station accesses the target master station through the analog satellite link, the method includes:
and the simulation end station sends a voice message to a real end station through the simulation satellite link and the target master station, wherein the real end station is accessed to the target master station through the simulation satellite link.
Further, after the analog end station accesses the target master station through the analog satellite link, the method includes:
and the simulation end station sends a second release message to the target master station, wherein the second release message is used for indicating the simulation end station to initiate a release process of the simulation end station and the target end station.
According to another aspect of the present invention, there is provided a testing apparatus for a satellite communication system, applied to a simulation end station, comprising:
the access module is used for accessing a target master station through a simulated satellite link, wherein the simulated end station and the simulated satellite link are generated through preset simulation parameters;
the generating module is used for generating a data message of multiple users;
and the first sending module is used for sending the data message to the target master station through the simulated satellite link.
Further, the apparatus further comprises:
the encapsulation module is used for encapsulating the data message according to a preset rule after the data message of multiple users is generated;
and the second sending module is used for sending the encapsulated data message to the target master station through the analog satellite link.
Further, the access module comprises:
the first access unit is used for sending an access request message to the target master station through the simulated satellite link;
and a second access unit, configured to receive, through the analog satellite link, a first notification message corresponding to the access request message, where the first notification message indicates that the analog end station successfully accesses the target master station.
Further, the apparatus further comprises:
the first discarding module is configured to set the simulated satellite link to discard a first notification message, which is sent by the target master station and corresponds to the access request sending message, after the simulated satellite link sends the access request message to the target master station;
and a receiving module, configured to receive, through the simulated satellite link, a second notification message corresponding to the access request sending message and sent again by the target master station, where the second notification message indicates that the simulated end station successfully accesses the target master station.
Further, the apparatus further comprises:
the second discarding module is used for setting the simulated satellite link to discard the data message after the simulated end station is accessed to the target master station through the simulated satellite link;
and a first release module, configured to receive a first release message of the target master station, where the first release message is used to instruct the simulated end station to release the process.
Further, the apparatus further comprises:
and the third sending module is used for sending a voice message to the real end station through the simulated satellite link after the simulated end station is accessed to the target master station through the simulated satellite link, wherein the real end station is accessed to the target master station through the simulated satellite link.
Further, the apparatus further comprises:
and the second release module is used for sending a second release message to the target master station by the simulation end station after the simulation end station is accessed to the target master station through a simulation satellite link, wherein the second release message is used for indicating the simulation end station to initiate a release process of the simulation end station and the target end station.
According to the invention, the simulation end station accesses the target master station through the simulation satellite link, wherein the simulation end station and the simulation satellite link are generated through preset simulation parameters, the simulation end station generates a data message of multiple users, and the simulation end station sends the data message to the target master station through the simulation satellite link, so that the problem that a satellite broadband communication system needs to occupy limited satellite resources during testing is solved, the limited satellite resources do not need to be occupied any more, and the testing cost is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a flow chart of a method of testing a satellite communication system according to an embodiment of the invention;
FIG. 2 is a block diagram of a testing apparatus of a satellite communication system according to an embodiment of the present invention;
FIG. 3 is a block diagram of a testing apparatus of a satellite communication system according to an embodiment of the present invention;
fig. 4 is a block diagram of a testing apparatus of a satellite communication system according to an embodiment of the present invention;
fig. 5 is a block diagram of a testing apparatus of a satellite communication system according to an embodiment of the present invention;
fig. 6 is a block diagram of a testing apparatus of a satellite communication system according to an embodiment of the present invention;
fig. 7 is a block diagram six of a testing apparatus of a satellite communication system according to an embodiment of the present invention;
fig. 8 is a block diagram seven of a structure of a testing apparatus of a satellite communication system according to an embodiment of the present invention;
FIG. 9 is an architecture diagram of a satellite communication big traffic test system according to the preferred embodiment of the present invention;
FIG. 10 is a block diagram of an analog end station in accordance with a preferred embodiment of the present invention;
fig. 11 is a schematic diagram of a simulated end station normal access according to a preferred embodiment of the present invention;
FIG. 12 is a schematic diagram of a forward satellite link anomaly in accordance with a preferred embodiment of the present invention;
FIG. 13 is a schematic illustration of a reverse satellite link anomaly in accordance with a preferred embodiment of the present invention;
FIG. 14 is a schematic illustration of a reverse satellite link anomaly in accordance with a preferred embodiment of the present invention;
fig. 15 is a schematic diagram of a reverse satellite link anomaly in accordance with a preferred embodiment of the present invention.
Detailed Description
The invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
In this embodiment, a method for testing a satellite communication system is provided, and fig. 1 is a flowchart of a method for testing a satellite communication system according to an embodiment of the present invention, as shown in fig. 1, the flowchart includes the following steps:
step S102, a simulation end station accesses a target main station through a simulation satellite link, wherein the simulation end station and the simulation satellite link are generated through preset simulation parameters;
step S104, the simulation end station generates a data message of multiple users;
and step S106, the simulation end station sends the data message to the target master station through the simulation satellite link.
Through the steps, the simulation end station accesses the target master station through the simulation satellite link, wherein the simulation end station and the simulation satellite link are generated through preset simulation parameters, the simulation end station generates multi-user data messages, and the simulation end station sends the data messages to the target master station through the simulation satellite link.
In this embodiment, the manner in which the simulation end station generates a data packet for multiple users and sends the data packet to the target master station includes the following:
after the simulation end station generates a data message of multiple users, packaging the data message according to a preset rule;
and the analog end station sends the encapsulated data message to the target master station through the analog satellite link.
In this embodiment, the manner in which the analog end station accesses the target master station through the analog satellite link includes the following:
the simulation end station sends an access request message to the target master station through the simulation satellite link;
and the simulation end station receives a first notification message which is sent by the target master station and corresponds to the access request message through the simulation satellite link, wherein the first notification message indicates that the simulation end station successfully accesses the target master station.
In this embodiment, after the analog end station sends an access request message to the target master station through the analog satellite link, the analog satellite link is configured to discard a first notification message corresponding to the access request message sent by the target master station, and the analog end station receives a second notification message corresponding to the access request message sent again by the target master station through the analog satellite link, where the second notification message indicates that the analog end station successfully accesses the target master station.
In this embodiment, after the analog end station accesses the target master station through the analog satellite link, the analog satellite link is set to discard the data packet, and the analog end station receives a first release message of the target master station, where the first release message is used to indicate a release process of the analog end station.
In this embodiment, after the analog end station accesses the target master station through the analog satellite link, the analog end station sends a voice message to the real end station through the analog satellite link and the target master station, where the real end station accesses the target master station through the analog satellite link.
In this embodiment, after the analog end station accesses the target master station through the analog satellite link, the analog end station sends a second release message to the target master station, where the second release message is used to instruct the analog end station to initiate a release procedure of the analog end station and the target end station.
In this embodiment, a testing apparatus for a satellite communication system is further provided, and the apparatus is used to implement the foregoing embodiments and preferred embodiments, and the description of which has been already made is omitted. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.
Fig. 2 is a block diagram of a first testing apparatus for a satellite communication system according to an embodiment of the present invention, applied to a simulation end station, as shown in fig. 2, the apparatus includes:
the access module 22 is configured to access a simulation end station to a target master station through a simulation satellite link, where the simulation end station and the simulation satellite link are generated through preset simulation parameters;
a generating module 24, connected to the access module 22, for generating a data packet of multiple users;
and the first sending module 26 is connected to the generating module 24, and is configured to send the data message to the target master station through the analog satellite link.
Through the above steps, the access module 22 accesses the target master station through the simulated satellite link, wherein the simulated end station and the simulated satellite link are generated through preset simulation parameters, the generation module 24 generates a data message of multiple users, and the first transmission module 26 transmits the data message to the target master station through the simulated satellite link, so that the problem that the satellite broadband communication system needs to occupy limited satellite resources in a test is solved, the limited satellite resources do not need to be occupied any more, and the test cost is reduced.
Fig. 3 is a block diagram of a second structure of a testing apparatus for a satellite communication system according to an embodiment of the present invention, as shown in fig. 3, the apparatus further includes:
the encapsulation module 32 is connected to the access module 22, and is configured to encapsulate the data packet according to a preset rule after the data packet of multiple users is generated;
and a second sending module 34, connected to the encapsulating module 32, for sending the encapsulated data message to the target master station through the analog satellite link.
Fig. 4 is a block diagram of a testing apparatus of a satellite communication system according to an embodiment of the present invention, and as shown in fig. 4, the access module 22 further includes:
a first access unit 42 for sending an access request message to the target master station via the simulated satellite link;
and a second access unit 44, configured to receive, through the analog satellite link, a first notification message corresponding to the access request message sent by the target master station, where the first notification message indicates that the analog end station successfully accesses the target master station.
Fig. 5 is a block diagram of a testing apparatus of a satellite communication system according to an embodiment of the present invention, and as shown in fig. 5, the apparatus further includes:
a first discarding module 52, configured to, after sending the access request message to the target master station through the analog satellite link, set the analog satellite link to discard a first notification message, which is sent by the target master station and corresponds to the access request message;
and a receiving module 54, connected to the first discarding module 52, for receiving a second notification message corresponding to the transmission access request message, which is retransmitted by the target master station, through the analog satellite link, wherein the second notification message indicates that the analog end station successfully accesses the target master station.
Fig. 6 is a block diagram of a testing apparatus of a satellite communication system according to an embodiment of the present invention, as shown in fig. 6, the apparatus further includes:
a second discarding module 62, connected to the access module 22, configured to set the analog satellite link to discard the data packet after the analog end station accesses the target master station through the analog satellite link;
and a first release module 64, connected to the second discard module 62, configured to receive a first release message of the target master station, where the first release message is used to instruct the analog end station to release the process.
Fig. 7 is a block diagram six of a testing apparatus for a satellite communication system according to an embodiment of the present invention, as shown in fig. 7, the apparatus further includes:
and a third sending module 72, connected to the access module 22, configured to send a voice message to a real end station through the simulated satellite link after the simulated end station accesses the target master station through the simulated satellite link, where the real end station accesses the target master station through the simulated satellite link.
Fig. 8 is a block diagram illustrating a structure of a testing apparatus for a satellite communication system according to an embodiment of the present invention, as shown in fig. 8, the apparatus further includes:
and a second release module 82, connected to the access module 22, configured to send a second release message to the target master station after the analog end station accesses the target master station through the analog satellite link, where the second release message is used to instruct the analog end station to initiate a release procedure of the analog end station and the target end station.
It should be noted that, the above modules may be implemented by software or hardware, and for the latter, the following may be implemented, but not limited to: the modules are all positioned in the same processor; alternatively, the modules are respectively located in a plurality of processors.
The following detailed description is given with reference to preferred embodiments of the present invention.
The main contents of the invention in the preferred embodiment of the invention are: simulating multi-user data generation and corresponding processing (corresponding to the generation module 24 of the above embodiment); simulating the protocol implementation of the multi-end station, and encapsulating or decapsulating the multi-user data packet to generate a multi-user data packet (equivalent to the encapsulation module 32 in the above embodiment); simulating the transmission characteristics of a satellite link; the simulated end station and the real end station interact with each other (corresponding to the third sending module 72 of the above embodiment).
The steps of the test method used in the preferred embodiment of the present invention are as follows:
in the first step, the analog end station and the tested master station are connected through a network cable, an E1 cable or other media. Simulating a satellite searching process by setting simulation parameters, and simulating a satellite transmission channel;
secondly, a plurality of simulation end stations are accessed to the master station through simulation satellite links to complete an end station access process;
thirdly, generating a multi-user data message, distributing the multi-user data message to an end station protocol processing module according to a certain rule for packaging, and sending the multi-user data message to a master station through a simulated satellite link;
fourthly, receiving data of the master station through a simulated satellite link, performing corresponding end station protocol de-encapsulation processing, generating a multi-user data message, and distributing the multi-user data message to a user (service) data module for processing;
fifthly, when specific conditions such as end station maintenance or power-off are met, the end station can initiate a release process or process passive release.
The steps described in the preferred embodiment above are not in the exact order and must all be present to perform the test.
The large telephone traffic test method and the system of the preferred embodiment of the invention comprise the following parts: the method comprises the steps of simulating multi-user data generation and processing, simulating multi-end station protocol processing and simulating satellite link communication characteristics.
Fig. 9 is an architecture diagram of a satellite communication large traffic test system according to a preferred embodiment of the present invention, and as shown in fig. 9, the test system includes N simulators, a master station, and a gateway.
Fig. 10 is a block diagram of a simulation end station according to a preferred embodiment of the present invention, and as shown in fig. 10, the simulation end station includes an application simulation module 102, a dedicated protocol processing module 104, and a simulation satellite link module 106.
Example 1 of the preferred embodiment of the invention, satellite link Normal
Fig. 11 is a schematic diagram illustrating normal access of a simulated end station according to a preferred embodiment of the present invention, as shown in fig. 11, by taking a Next Generation Broadcast-Wireless (NGB-W) satellite system as an example, the following steps are performed:
s1101, after receiving the uplink access resource, the simulation end station initiates an access request; transmitting the data to a target master station through a simulated satellite link;
s1102, the target master station receives access of the simulation end station and informs the simulation end station through a simulation satellite link;
s1103, notifying the state of the end station of the application simulator after the simulation end station is successfully accessed; both the control channel and the data channel are open.
Example 2 of the preferred embodiment of the invention, simulating Forward satellite Link packet loss
Fig. 12 is a schematic diagram of a forward satellite link anomaly detection method according to a preferred embodiment of the present invention, as shown in fig. 12, taking an NGB-W satellite system as an example, the steps are as follows:
s1201, the simulation end station initiates an access request after receiving the uplink access resource; transmitting the data to a target master station through a simulated satellite link;
s1202, the target master station receives the access of the simulation end station and informs the simulation end station through a simulation satellite link;
s1203, after the master station receives the information accessed by the end station, packet loss is caused by satellite link abnormality;
s1204, the master station retransmits and accepts the access message of the simulation end station;
s1205, after the simulation end station is successfully accessed, the application simulator is informed of the state of the end station; both the control channel and the data channel are open.
Example 3 of the preferred embodiment of the invention, simulating reverse satellite link anomalies
Fig. 13 is a schematic diagram of a reverse satellite link anomaly according to a preferred embodiment of the present invention, as shown in fig. 13, taking an NGB-W satellite system as an example, the steps are as follows:
s1301, simulating the normal access of an end station to a main station;
s1302, when the satellite link is abnormal in the operation process, the information sent from the end station to the main station is used for the reason that the satellite link is abnormal and cannot be sent to the main station;
s1303, the master station initiates an end station release process.
Example 4 of the preferred embodiment of the invention, the simulation end station applies message processing
Fig. 14 is a schematic diagram of a reverse satellite link anomaly according to a preferred embodiment of the present invention, as shown in fig. 14, taking an NGB-W satellite system as an example, the steps are as follows:
s1401, successively and successfully accessing the simulation end station and the real end station to the master station;
s1402, simulating an application simulator under the terminal station to send a voice message;
s1403, the voice message is forwarded to a real end station through the satellite link simulation module and the main station system;
and S1404, the real end station forwards the voice message from the simulation end station to a target application program for processing.
Example 5 of a preferred embodiment of the invention, end station Release is simulated
Fig. 15 is a schematic diagram of a reverse satellite link anomaly detection method according to a preferred embodiment of the present invention, as shown in fig. 15, taking an NGB-W satellite system as an example, the steps are as follows:
s1501, the simulation end station sends a release message to the master station;
and S1502, simulating updating states of all modules of the end station.
After the testing method of the preferred embodiment of the invention is adopted, expensive satellite resources are not required to be rented, telephone traffic testing can be carried out on a main station of satellite communication in a laboratory, the functions and the performance of the system are effectively tested in time, and the product quality is ensured.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but the former is a better implementation mode in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
The embodiment of the invention also provides a storage medium. Optionally, in this embodiment, the storage medium may be configured to store program codes for executing the steps of the method of the above embodiment:
optionally, the storage medium is further configured to store program code for performing the method steps of the above embodiments:
optionally, in this embodiment, the storage medium may include, but is not limited to: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
Optionally, in this embodiment, the processor executes the method steps of the above embodiments according to the program code stored in the storage medium
Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments and optional implementation manners, and this embodiment is not described herein again.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A method for testing a satellite communication system, comprising:
the method comprises the following steps that a simulation end station is accessed to a target master station through a simulation satellite link, wherein the simulation end station and the simulation satellite link are generated through preset simulation parameters;
the simulation end station generates a data message of multiple users;
the simulation end station sends the data message to the target master station through the simulation satellite link;
after the simulation end station accesses the target master station through a simulation satellite link, when specific conditions such as maintenance or power-off of the simulation end station are met, the simulation end station initiates a release process or processes passive release;
after the simulation end station accesses the target master station through a simulation satellite link, the simulation end station sets the simulation satellite link to discard the data message; the simulation end station receives a first release message of the target master station, wherein the first release message is used for indicating the simulation end station to release a process;
after the simulation end station accesses the target master station through a simulation satellite link, the simulation end station sends a second release message to the target master station, wherein the second release message is used for indicating the simulation end station to initiate a release process of the simulation end station and the target end station;
after the simulation end station is accessed to a target master station through a simulation satellite link, the simulation end station sends a voice message to a real end station through the simulation satellite link and the target master station, wherein the real end station is accessed to the target master station through the simulation satellite link.
2. The method of claim 1, wherein the generating and transmitting a multi-user data message by the analog end station to the target master station comprises:
after the simulation end station generates a data message of multiple users, packaging the data message according to a preset rule;
and the simulation end station sends the encapsulated data message to the target master station through the simulation satellite link.
3. The method of claim 1, wherein said emulating end station accessing a target master station via an emulated satellite link comprises:
the simulation end station sends an access request message to the target master station through the simulation satellite link;
and the simulation end station receives a first notification message which is sent by the target master station and corresponds to the access request message through the simulation satellite link, wherein the first notification message indicates that the simulation end station successfully accesses the target master station.
4. The method of claim 3, wherein after the analog end station transmits the access request message to the target master station via the analog satellite link, the method comprises:
the simulation end station sets the simulation satellite link to discard a first notification message which is sent by the target master station and corresponds to the access request sending message;
and the simulation end station receives a second notification message which is sent again by the target master station and corresponds to the sending access request message through the simulation satellite link, wherein the second notification message indicates that the simulation end station successfully accesses the target master station.
5. A testing device for a satellite communication system, which is applied to a simulation end station, comprises:
the access module is used for accessing a target master station through a simulated satellite link, wherein the simulated end station and the simulated satellite link are generated through preset simulation parameters;
the generating module is used for generating a data message of multiple users;
the first sending module is used for sending the data message to the target master station through the simulated satellite link;
the testing device is also used for initiating a release process or processing passive release when specific conditions such as maintenance or power-off of the simulation end station are met after the simulation end station is accessed to the target master station through a simulation satellite link;
the test device further comprises: the second discarding module is used for setting the simulated satellite link to discard the data message after the simulated end station is accessed to the target master station through the simulated satellite link; a first release module, configured to receive a first release message of the target master station, where the first release message is used to instruct the simulation end station to release a process;
the test device further comprises: the second release module is configured to send a second release message to the target master station after the analog end station accesses the target master station through the analog satellite link, where the second release message is used to instruct the analog end station to initiate a release process of the analog end station and the target end station;
the test device further comprises: and the third sending module is used for sending a voice message to the real end station through the simulated satellite link after the simulated end station is accessed to the target master station through the simulated satellite link, wherein the real end station is accessed to the target master station through the simulated satellite link.
6. The testing device of claim 5, further comprising:
the encapsulation module is used for encapsulating the data message according to a preset rule after the data message of multiple users is generated;
and the second sending module is used for sending the encapsulated data message to the target master station through the analog satellite link.
7. The testing device of claim 5, wherein the access module comprises:
the first access unit is used for sending an access request message to the target master station through the simulated satellite link;
and a second access unit, configured to receive, through the analog satellite link, a first notification message corresponding to the access request message, where the first notification message indicates that the analog end station successfully accesses the target master station.
8. The testing device of claim 7, further comprising:
the first discarding module is configured to set the simulated satellite link to discard a first notification message, which is sent by the target master station and corresponds to the access request sending message, after the simulated satellite link sends the access request message to the target master station;
and a receiving module, configured to receive, through the simulated satellite link, a second notification message corresponding to the access request sending message and sent again by the target master station, where the second notification message indicates that the simulated end station successfully accesses the target master station.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991325.5A CN106921448B (en) | 2015-12-25 | 2015-12-25 | Method and device for testing satellite communication system |
| PCT/CN2016/094211 WO2017107500A1 (en) | 2015-12-25 | 2016-08-09 | Method and apparatus for testing satellite communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991325.5A CN106921448B (en) | 2015-12-25 | 2015-12-25 | Method and device for testing satellite communication system |
Publications (2)
| Publication Number | Publication Date |
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| CN106921448A CN106921448A (en) | 2017-07-04 |
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| CN115314481B (en) * | 2022-06-29 | 2024-07-30 | 国网信息通信产业集团有限公司 | IEC101/IEC 104-based communication method and system for simulating master station |
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| CN102916859A (en) * | 2012-09-28 | 2013-02-06 | 航天科工深圳（集团）有限公司 | Setting-up method and setting-up device for performance test platform of main station |
| CN104661184B (en) * | 2013-11-20 | 2018-04-24 | 电信科学技术研究院 | A kind of method and apparatus for carrying out satellite communication |
| CN104407520B (en) * | 2014-11-10 | 2017-01-18 | 上海微小卫星工程中心 | Satellite constellation communication based semi-physical simulation system and method thereof |
| CN104765045B (en) * | 2015-04-27 | 2018-11-23 | 成都振芯科技股份有限公司 | Beidou ground base navigation network ground monitoring station pseudo satellite, pseudolite and control method |
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