CN107872815B - Random access loading test method, device and system - Google Patents

Random access loading test method, device and system Download PDF

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Publication number
CN107872815B
CN107872815B CN201610852444.7A CN201610852444A CN107872815B CN 107872815 B CN107872815 B CN 107872815B CN 201610852444 A CN201610852444 A CN 201610852444A CN 107872815 B CN107872815 B CN 107872815B
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random access
terminal
test
loading
base station
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CN107872815A (en
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陈子福
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2017/103384 priority patent/WO2018054379A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a method, a device and a system for testing random access loading, wherein the method comprises the following steps: initiating a test request for loading random access to a terminal, wherein the test request is used for indicating the terminal to record the condition of a specified random access process; initiating a PDCCH Order instruction to the terminal, wherein the PDCCH Order instruction is used for indicating the terminal to initiate the appointed random access process; and receiving a recording result of the terminal on the appointed random access process. The invention solves the problem of lack of test mode aiming at the loading of the random access flow in the related technology, can acquire the processing result of the terminal in the random access process of the test, realizes the detection of the random access processing performance condition of the terminal by the base station, and can further carry out intelligent analysis on the random access process of the terminal in a targeted manner and guide the corresponding optimization work.

Description

Random access loading test method, device and system
Technical Field
The present invention relates to the field of communications, and in particular, to a method, an apparatus, and a system for testing random access loading.
Background
In long term evolution (LTE, long Term Evolution) systems, the application of the same-frequency networking is very common, so that the problems on the same-frequency networking are also very much, such as the same-frequency interference problem caused by the same-frequency networking. For the physical random access channel (PRACH, physical Random Access Channel), co-channel interference and false alarm suppression may cause the system to miss a Preamble (Preamble) sent by a cell edge user, which may cause a possible random access failure or handover failure, but for the base station system, this situation cannot be identified. Similar is the case for message 2 (Msg 2, random Access Response), message 3 (Msg 3, contention Resolution) and message 4 (Msg 4, complete of contention resolution) processing during random access, or the information is asymmetric. I.e. the transmitting side and receiving side information are asymmetric.
In addition, as the scale of LTE users increases year by year, the processing capability of PRACH and the processing capability of random access procedure need to have higher standards, and no practical loading test function for random access procedure is available at present.
Aiming at the problem of lack of test mode for loading random access flow in the related art, no effective solution is proposed at present.
Disclosure of Invention
The embodiment of the invention provides a method, a device and a system for testing random access loading, which are used for at least solving the problem that a test mode is lack for loading of a random access flow in the related technology.
According to an embodiment of the present invention, there is provided a method for testing random access loading, including: initiating a test request for loading random access to a terminal, wherein the test request is used for indicating the terminal to record the condition of a specified random access process; initiating a PDCCH Order instruction to the terminal, wherein the PDCCH Order instruction is used for indicating the terminal to initiate the appointed random access process; and receiving a recording result of the terminal on the appointed random access process.
Optionally, the test request includes configuration information, where the configuration information is used to notify the terminal of a test interval and/or a test number of the specified random access procedure.
Optionally, the test request is an RRC connection reconfiguration message, and the configuration message is a configuration message in which an indication type in the RRC connection reconfiguration message is a random access loading test.
Optionally, before initiating a PDCCH Order instruction to the terminal, the method further comprises: and receiving response information of the terminal, wherein the response information is used for representing that the terminal supports testing the random access loading.
Optionally, the response information is an RRC connection reconfiguration complete message.
Optionally, before initiating the test request for random access loading to the terminal, the method further comprises: configuring at least one of the following parameters of the random access loaded test task: testing the time interval of the random access loading; testing the total times of random access loading; the random access loading random access mode; the number of terminals loaded by the random access is tested.
Optionally, receiving the recording result of the terminal to the specified random access procedure includes: and receiving a measurement report reported by the terminal, wherein the measurement report carries the recording result.
Optionally, receiving the recording result of the terminal to the specified random access procedure includes: and under the condition that random access failure or RLF occurs in the specified random access process, receiving an RRC connection reestablishment completion message reported by the terminal, wherein the expansion field of the RRC connection reestablishment completion message carries the recording result of the currently completed specified random access process.
Optionally, the case of the specified random access procedure includes: and the random access result and the abnormal statistics of the specified random access process.
According to an embodiment of the present invention, there is also provided another random access loading test method, including: receiving a test request for random access loading sent by a base station; receiving a PDCCH Order instruction sent by the base station; and initiating a specified random access process according to the PDCCH Order instruction, and recording the condition of the specified random access process.
Optionally, the test request includes configuration information, where the configuration information is used to indicate a test interval and/or a test number of the specified random access procedure.
Optionally, the test request is an RRC connection reconfiguration message, and the configuration message is a configuration message in which an indication type in the RRC connection reconfiguration message is a random access loading test.
Optionally, before receiving the PDCCH Order instruction sent by the base station, the method further comprises: and sending response information to the base station, wherein the response information is used for characterizing and supporting the test of the random access loading.
Optionally, the response information is an RRC connection reconfiguration complete message.
Optionally, after recording the situation of the specified random access procedure, the method further comprises; and sending a recording result of the specified random access procedure to the base station.
Optionally, sending the recording result of the specified random access procedure to the base station includes: reporting a measurement report to the base station, wherein the measurement report carries the recording result.
Optionally, sending the recording result of the specified random access procedure to the base station includes: reporting an RRC connection reestablishment completion message to the base station under the condition that random access failure or RLF occurs in the appointed random access process, and carrying a recording result of the appointed random access process which is completed currently in an extension field of the RRC connection reestablishment completion message.
Optionally, sending the recording result of the specified random access procedure to the base station includes: and when the trigger switching is determined to be needed, terminating the test of random access loading, and sending the recording result of the specified random access process which is completed currently to the base station.
Optionally, the case of the specified random access procedure includes: and the random access result and the abnormal statistics of the specified random access process.
According to another embodiment of the present invention, there is provided a random access loading test apparatus, located in a base station, including: the first sending module is used for initiating a test request for loading random access to the terminal, wherein the test request is used for indicating the terminal to record the condition of the appointed random access process; initiating a PDCCH Order instruction to the terminal, wherein the PDCCH Order instruction is used for indicating the terminal to initiate the appointed random access process; and the first receiving module is used for receiving the recording result of the terminal on the appointed random access process.
Optionally, the test request includes configuration information, where the configuration information is used to notify the terminal of a test interval and/or a test number of the specified random access procedure.
Optionally, the test request is an RRC connection reconfiguration message, and the configuration message is a configuration message in which an indication type in the RRC connection reconfiguration message is a random access loading test.
Optionally, the first receiving module is further configured to: and receiving response information of the terminal, wherein the response information is used for representing that the terminal supports testing the random access loading.
Optionally, the response information is an RRC connection reconfiguration complete message.
Optionally, the apparatus further comprises: the configuration module is used for configuring at least one of the following parameters of the random access loading test task: testing the time interval of the random access loading; testing the total times of random access loading; the random access loading random access mode; the number of terminals loaded by the random access is tested.
Optionally, the first receiving module is further configured to: and receiving a measurement report reported by the terminal, wherein the measurement report carries the recording result.
Optionally, the first receiving module is further configured to: and under the condition that random access failure or RLF occurs in the specified random access process, receiving an RRC connection reestablishment completion message reported by the terminal, wherein the expansion field of the RRC connection reestablishment completion message carries the recording result of the currently completed specified random access process.
Optionally, the case of the specified random access procedure includes: and the random access result and the abnormal statistics of the specified random access process.
According to another embodiment of the present invention, there is also provided another random access loading test apparatus, located at a terminal, including: the second receiving module is used for receiving a test request for random access loading sent by the base station; receiving a physical downlink control channel PDCCH Order instruction sent by the base station; and the recording module is used for initiating a specified random access process according to the PDCCH Order instruction and recording the condition of the specified random access process.
Optionally, the test request includes configuration information, where the configuration information is used to indicate a test interval and/or a test number of the specified random access procedure.
Optionally, the test request is an RRC connection reconfiguration message, and the configuration message is a configuration message in which an indication type in the RRC connection reconfiguration message is a random access loading test.
Optionally, the second sending module is further configured to: and sending response information to the base station, wherein the response information is used for characterizing and supporting the test of the random access loading.
Optionally, the response information is an RRC connection reconfiguration complete message.
Optionally, the apparatus further comprises; and the second sending module is used for sending the recording result of the specified random access process to the base station.
Optionally, the second sending module is further configured to: reporting a measurement report to the base station, wherein the measurement report carries the recording result.
Optionally, the second sending module is further configured to: reporting an RRC connection reestablishment completion message to the base station under the condition that random access failure or RLF occurs in the appointed random access process, and carrying a recording result of the appointed random access process which is completed currently in an extension field of the RRC connection reestablishment completion message.
Optionally, the second sending module is further configured to: and when the trigger switching is determined to be needed, terminating the test of random access loading, and sending the recording result of the specified random access process which is completed currently to the base station.
Optionally, the case of the specified random access procedure includes: and the random access result and the abnormal statistics of the specified random access process.
According to still another embodiment of the present invention, there is provided a base station including: a first processor; a first memory for storing the first processor-executable instructions; a first transmission device for transmitting and receiving information according to the control of the first processor; wherein the first processor is configured to control the first transmission device to perform the following operations: initiating a test request for loading random access to a terminal, wherein the test request is used for indicating the terminal to record the condition of a specified random access process; initiating a Physical Downlink Control Channel (PDCCH) Order instruction to the terminal, wherein the PDCCH Order instruction is used for indicating the terminal to initiate the appointed random access process; and receiving a recording result of the terminal on the appointed random access process.
According to still another embodiment of the present invention, there is also provided a terminal including: a second processor; a second memory for storing the second processor-executable instructions; a second transmission device for transmitting and receiving information according to the control of the second processor; wherein the second processor is configured to control the second transmission device to perform the following operations: receiving a test request for random access loading sent by a base station; receiving a PDCCH Order instruction sent by the base station; and initiating a specified random access process according to the PDCCH Order instruction, and recording the condition of the specified random access process.
According to still another embodiment of the present invention, a random access loading test system is provided, which includes the above-mentioned random access loading test device located at a base station, and further includes the above-mentioned random access loading test device located at a terminal.
According to still another embodiment of the present invention, another random access loading test system is provided, which includes the above base station and terminal.
According to still another embodiment of the present invention, there is also provided a storage medium. The storage medium is arranged to store program code for performing the steps of: initiating a test request for loading random access to a terminal, wherein the test request is used for indicating the terminal to record the condition of a specified random access process; initiating a Physical Downlink Control Channel (PDCCH) Order instruction to the terminal, wherein the PDCCH Order instruction is used for indicating the terminal to initiate the appointed random access process; and receiving a recording result of the terminal on the appointed random access process.
According to the invention, the terminal is instructed to record the condition of the appointed random access process, the PDCCH Order instruction is used to instruct the terminal to execute the appointed random access process, and then the record result fed back by the terminal is received, so that the problem that the loading aiming at the random access process lacks a test mode in the related technology is solved, the processing result of the terminal in the tested random access process can be obtained, the detection of the random access processing performance condition of the terminal by the base station is realized, the intelligent analysis can be carried out on the random access process of the terminal in a targeted manner, and the corresponding optimization work is guided.
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 embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a flow chart of a method of testing random access loading in accordance with an embodiment of the present invention;
fig. 2 is a block diagram of a hardware configuration of a base station according to an embodiment of the present invention;
FIG. 3 is a flow chart of another method of random access loading testing in accordance with an embodiment of the present invention;
fig. 4 is a block diagram of a hardware structure of a terminal according to an embodiment of the present invention;
FIG. 5 is a hardware schematic of a network architecture according to an embodiment of the invention;
FIG. 6 is a flowchart of a random access load test main flow in accordance with a preferred embodiment of the present invention;
fig. 7 is a schematic diagram of a signaling interaction procedure and a random access procedure according to a preferred embodiment of the present invention;
FIG. 8 is a flowchart of a specific test procedure in accordance with a preferred embodiment of the present invention;
FIG. 9 is a block diagram of a random access loaded test apparatus according to an embodiment of the present invention;
FIG. 10 is a block diagram of another random access loaded test apparatus according to an embodiment of the present invention;
Fig. 11 is a block diagram of a random access loading test system according to an embodiment of the present invention.
Detailed Description
The invention will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
Method embodiment
In combination with the above-mentioned problems, the embodiment of the invention provides a system-level solution, initiates loading and testing of random access based on a measurement flow, and obtains the actual random access condition of the terminal side according to feedback of the terminal, so that the system side and the terminal side can jointly analyze to further confirm the problem of random access or guide further performance optimization work.
In this embodiment, a method for testing random access loading is provided, and fig. 1 is a flowchart of a method for testing random access loading according to an embodiment of the present invention, as shown in fig. 1, where the flowchart includes the following steps:
Step S102, initiating a test request for loading random access to a terminal, wherein the test request is used for indicating the terminal to record the condition of a specified random access process;
step S104, a Physical Downlink Control Channel (PDCCH) Order instruction is initiated to the terminal, wherein the PDCCH Order instruction is used for indicating the terminal to initiate the appointed random access process;
step S106, receiving the recording result of the terminal to the appointed random access process.
Through the steps, the terminal is instructed to record the condition of the appointed random access process, the PDCCH Order instruction is used for instructing the terminal to execute the appointed random access process, and then the recorded result fed back by the terminal is received, so that the problem that a test mode is lacking in loading aiming at a random access process in the related technology is solved, the processing result of the terminal in the tested random access process can be obtained, the detection of the random access processing performance condition of the terminal by the base station is realized, further, the intelligent analysis can be carried out on the random access process of the terminal in a targeted manner, and the corresponding optimization work is guided.
Alternatively, the main execution body of the above steps may be a network element on the network side, such as a base station, but is not limited thereto.
As a preferred embodiment, the above specified random access procedure may be a plurality of consecutive random access procedures, and configuration information of the plurality of consecutive random access procedures may be notified to the terminal through configuration information, and the configuration information may be used to characterize a test interval and/or a test number of the specified random access procedure. In particular, configuration information may be included in the test request.
Alternatively, the test request may be an RRC connection reconfiguration message, and the configuration message may be a configuration message in which an indication type in the RRC connection reconfiguration message is a random access loading test.
Optionally, before initiating a physical downlink control channel PDCCH Order instruction to the terminal, response information of the terminal may also be received, where the response information is used to characterize that the terminal supports testing the random access loading.
Alternatively, the response information may be an RRC connection reconfiguration complete message.
Optionally, before initiating a test request for random access loading to a terminal, a test task for random access loading for a plurality of terminals may also be set. At least one of the following parameters of the random access loaded test task may be configured accordingly:
Testing the time interval of the random access loading;
testing the total times of random access loading;
the random access loading random access mode;
the number of terminals loaded by the random access is tested. (this information is used only on the base station side, is independent of the terminal, and does not need to be configured to the terminal)
As a preferred embodiment, the receiving the record result of the terminal to the specified random access procedure may be by receiving a measurement report reported by the terminal, and carrying the record result in the measurement report.
And if the random access failure or RLF occurs in the specified random access process, the RRC connection reestablishment completion message reported by the terminal can be received, and the record result of the currently completed specified random access process is carried in the extension field of the RRC connection reestablishment completion message.
Alternatively, the case of the specified random access procedure may include a random access result, abnormal statistics, and the like of the specified random access procedure.
The method embodiment provided by the embodiment can be executed in a network element at a network side such as a base station. Taking the example of operation on a base station, fig. 2 is a block diagram of the hardware architecture of a base station according to an embodiment of the present invention. As shown in fig. 2, the base station 20 may include one or more (only one is shown in the figure) first processors 202 (the processors 202 may include, but are not limited to, a microprocessor MCU, a programmable logic device FPGA, or the like, and a first memory 204 for storing instructions executable by the first processors 202, and a first transmission device 206 for performing communication functions such as information transceiving according to control of the first processors 202. It will be appreciated by those of ordinary skill in the art that the configuration shown in fig. 2 is merely illustrative and is not intended to limit the configuration of the electronic device described above. For example, the base station 20 may also include more or fewer components than shown in fig. 2, or have a different configuration than shown in fig. 2.
The first memory 204 may be used to store software programs and modules of application software, such as program instructions/modules corresponding to the test method of random access loading in the embodiment of the present invention, and the first processor 202 executes the software programs and modules stored in the first memory 204, thereby executing various functional applications and data processing, that is, implementing the test method of random access loading described above. The first memory 204 may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the first memory 204 may further include memory remotely located relative to the first processor 202, which may be connected to the base station 20 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The first transmission means 206 is arranged to receive or transmit data via a network. The specific examples of the network described above may include a wireless network provided by a communication provider of the base station 20. In one example, the transmission device 206 includes a network adapter (Network Interface Controller, NIC) that communicates with the internet. In one example, the first transmission device 206 may be a Radio Frequency (RF) module, which is configured to communicate with the internet wirelessly.
In this embodiment, another method for testing random access loading is also provided, and fig. 3 is a flowchart of another method for testing random access loading according to an embodiment of the present invention, as shown in fig. 3, where the flowchart includes the following steps:
step S302, receiving a test request for random access loading sent by a base station;
step S304, receiving a PDCCH Order instruction sent by the base station;
step S306, initiating a specified random access process according to the PDCCH Order instruction, and recording the condition of the specified random access process.
Through the steps, the indication of the base station for recording the condition of the appointed random access process is received, the appointed random access process is executed according to the PDCCH Order instruction sent by the base station, and then the recording result of the appointed random access process is fed back, so that the problem that a test mode is lacking in loading aiming at the random access process in the related technology is solved, the base station can acquire the processing result of the terminal in the tested random access process, the detection of the random access processing performance condition of the base station on the terminal is realized, and further, the base station can intelligently analyze the random access process of the terminal in a targeted manner and guide the corresponding optimization work.
Optionally, the method may further include:
and sending a recording result of the specified random access procedure to the base station.
Alternatively, the main execution body of the above steps may be a user side network element such as a terminal, but is not limited thereto.
As a preferred embodiment, the specified random access procedure may be a plurality of continuous random access procedures, and configuration information of the plurality of continuous random access procedures may be set by default or may be notified to the terminal through configuration information, where the configuration information may be used to characterize a test interval and/or a test number of the specified random access procedure. In particular, configuration information may be included in the test request.
Alternatively, the test request may be an RRC connection reconfiguration message, and the configuration message may be a configuration message in which an indication type in the RRC connection reconfiguration message is a random access loading test.
Optionally, before receiving the PDCCH Order instruction sent by the base station, response information may also be sent to the base station, where the response information is used to characterize that the terminal supports testing the random access loading.
Alternatively, the response information may be an RRC connection reconfiguration complete message.
As a preferred embodiment, the sending of the recorded result of the specified random access procedure to the base station may be by reporting a measurement report to the base station, and carrying the recorded result in the measurement report.
Alternatively, if a random access failure or RLF occurs in the specified random access procedure, the recording result of the specified random access procedure that is currently completed may be carried in an extension field of the RRC connection reestablishment complete message reported to the base station. And if the terminal is determined to be required to trigger the switching currently, the test of the random access loading can be terminated, and the recording result of the specified random access process which is completed currently is sent to the base station.
Alternatively, the case of the specified random access procedure may include a random access result, abnormal statistics, and the like of the specified random access procedure.
The method embodiments provided by the present embodiments may be performed in a terminal (mobile terminal, computer terminal or similar computing device). Taking the operation on a terminal as an example, fig. 4 is a block diagram of a hardware structure of a terminal according to an embodiment of the present invention. As shown in fig. 4, the terminal 40 may include one or more (only one is shown in the figure) second processors 402 (the second processors 402 may include, but are not limited to, a microprocessor MCU, a programmable logic device FPGA, or the like, and the processing device), a second memory 404 for storing instructions executable by the second processors 402, and a second transmission device 406 for performing communication functions such as information transceiving according to control of the second processors 402. It will be appreciated by those of ordinary skill in the art that the configuration shown in fig. 4 is merely illustrative and is not intended to limit the configuration of the electronic device described above. For example, terminal 40 may also include more or fewer components than shown in fig. 4, or have a different configuration than shown in fig. 4.
The second memory 404 may be used to store software programs and modules of application software, such as program instructions/modules corresponding to another random access loading test method in the embodiment of the present invention, and the second processor 402 executes the software programs and modules stored in the second memory 404 to perform various functional applications and data processing, that is, implement the above-mentioned another random access loading test method. The second memory 404 may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the second memory 404 may further include memory remotely located with respect to the second processor 402, which may be connected to the terminal 40 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The second transmission means 406 is arranged to receive or transmit data via a network. The specific examples of the network described above may include a wireless network provided by a communication provider of the terminal 40. In one example, the second transmission means 406 comprises a network adapter (Network Interface Controller, NIC) connectable to other network devices via a base station to communicate with the internet. In one example, the second transmission device 406 may be a Radio Frequency (RF) module, which is configured to communicate with the internet wirelessly.
The embodiment of the present application may operate on a network architecture shown in fig. 5, where the network architecture includes a base station 20 shown in fig. 2 and at least one terminal 40 shown in fig. 4, as shown in fig. 5, where the base station 20 and the terminal 40 communicate through a transmission device.
The following description is made in connection with the preferred embodiments, which combine the above-described embodiments and preferred embodiments thereof.
In the following preferred embodiment, the base station system initiates a measurement for a random access procedure, and a series of physical downlink control channel (PDCCH, physical Downlink Control Channel) Order messages accompanying the measurement procedure are sent to the terminal, and the terminal finally feeds back the processing result of random access in the whole measurement procedure through a measurement report. Through the series of processes, the loading and testing of the base station system to the random access flow are realized, and the random access processing performance condition of the cell on the tested base station is obtained through the measurement report fed back by the terminal, so that the network optimization of the cell is further guided.
In the preferred embodiment, a scheme is disclosed, a base station system initiates a measurement for a random access procedure, and a series of PDCCH Order messages in the measurement process are accompanied to a terminal, and the terminal finally feeds back the processing result of random access in the whole measurement process through a measurement report. Through the series of processes, the loading and testing of the base station system to the random access flow are realized, and the random access processing performance condition of the cell on the tested base station is obtained through the measurement report fed back by the terminal.
Fig. 6 is a flowchart of a main flow of random access loading test according to a preferred embodiment of the present invention, and specific implementation method steps of the preferred embodiment are shown in fig. 6:
step S602, a base station system configures a random access loading test task according to requirements, parameters related to the task, such as interval time of RA test, can be selected from ms5120, ms10240 and the like, are not recommended to be too short, so that serious influence on service perception caused by too frequent random access is avoided, total times of RA test can be selected from n5, n10, n20 and the like, random access modes are selected from 3 types of modes of competition, non-competition and random, parameters, namely the number of terminals to be tested, namely n10, n20, rand and the like, are selected, namely the base station system selects the scale of loading random access process, and the system directly selects a corresponding number of online terminals capable of supporting the test to carry out loading test;
step S604, the base station system initiates measurement (RRC Connection Reconfiguration message carries 'RA-Load-Test' related MeasConfig according to the configured task and aiming at a terminal supporting RA loading Test, wherein the message comprises RA Test interval and RA Test total times);
step S606, the terminal responds to RRC Connection Reconfiguration carrying MeasConfig related to RA-Load-Test, if the Test is allowed to be initiated currently, the terminal responds to RRC Connection Reconfiguration Comeplete information, starts measurement, monitors Msg0PDCCH Order, and records random access results in the process at any time;
Step S608, the base station system initiates a periodic PDCCH Order instruction to the terminal (the total times and the period interval are configured in the MeasConfig), the terminal records the random access condition of each time, and feeds back the result of the random access loading test to the base station system through a Measurementreport message after the measurement is finished;
the signaling interaction flow and the random access flow specifically related to the preferred embodiment are shown in fig. 7, and the random access flow in fig. 7 is consistent with the current LTE protocol and is not modified, so that specific development is not needed.
The system and method for loading, testing and feeding back the LTE random access procedure disclosed in the preferred embodiment relate to a modified network element comprising a base station system and a terminal, wherein a protocol layer is actually added with only one type of measurement and corresponding measurement report on an RRC message interface, the capability field of the measurement is added in matched UE capability information, and other procedures are defined by the current LTE standard protocol. Therefore, the modification is small, and the deployment is easy and quick.
Fig. 8 is a flowchart of a specific test procedure according to a preferred embodiment of the present invention, and a technical solution of the preferred embodiment will be described in detail with reference to fig. 8, in which:
Step S802, a base station system manually configures 1 time of random access loading test tasks, sets RA test intervals as ms10240, sets RA test times as 10 times, tests terminal scale as 10 terminals, and adopts a competition access mode only for RA test;
step S804, the base station system randomly selects 10 terminal users which support the stable state of the Test and are not VoLTE in online users according to the configured task, and initiates measurement to the 10 terminal users (RRC Connection Reconfiguration message indicates the MeasConfig with the type of RA-Load-Test, indicates the RA Test interval as ms10240 and the RA Test times as 10 times);
after the terminal receives the step S806, it responds to the RRC Connection Reconfiguration Comeplete message and starts recording for random access every 10240ms later. (the traffic of the terminal is less affected);
in step S808, the base station system initiates PDCCH Order instructions for these 10 terminals 10 times each time with an interval of 10240ms, i.e. a total of 100 RA test samples. During the test, the base station system will avoid the terminals entering IDLE state as much as possible because of the User active;
step 810, after receiving the PDCCH Order, the terminal performs a random access procedure each time, and records the random access result of the random access procedure no matter whether the random access is successful or not. (the content of the record is, for example, "the final random access result after 3 rd PDCCH Order is Success, wherein there are 2 times Failure at Msg2,1 time Failure at MSG4 due to CT resolution in not passed,1 time Failure at MSG4 due to CT timer expired");
Step S812, the terminal needs to determine whether the random access is successful, whether the RRC-CONNECTED state is maintained in the source cell in the resynchronization mode, and if so, step S814 is performed. If not, go to step S816;
step S814, the terminal feeds back a MeasurementReport message in the measured cell, which carries a Test result related to "RA-Load-Test", including a random access result and abnormal statistics after each PDCCH Order.
Step S816, if the terminal triggers RRCConnection ReestablentishmentRequest flow in the process of testing, if the terminal has random access failure or RLF, etc., the terminal ends the previous 'RA-Load-Test' measurement, and feeds back the relevant MeasurementReport of the RA Test which has been completed at present through the RRCConnection Reestablentishcomplete message extension field, and the base station system can inform the Test result of the tested cell through the X2 port specific message according to the source cell information after receiving;
step S818, step S814 and step S816 are all performed, and the base station system gathers the reports fed back by the 10 terminals, performs intelligent analysis, confirms the health degree of the cell random access block, and further guides the corresponding optimization work.
It should be noted that, after the measurement is initiated, if the UE needs to trigger a handover, such as an A3 event handover, the terminal may terminate the RA-Load-Test measurement before the handover, and timely feed back the MeasurementReport related to the RA Test that has been completed currently, or may feed back the measurement report of the meta-message through an extension field at the RRCConnectionReconfigurationComplete of the handover completion message, which is not specifically defined herein.
Regarding the extension of the interface message, examples of the messages involved in the preferred embodiment are provided below, but are not limited to this form:
RRCConnectionReconfiguration->MeasConfig->ReportConfigEUTRA
Figure GDA0004018454130000161
MeasurementReport->MeasResults
Figure GDA0004018454130000162
in general, the random access loading test method and system disclosed in the preferred embodiment are not complex in implementation, can be quickly realized and deployed, and can further realize maintenance-related testability and intelligent optimization of RA random access by considering functional linkage with a Self-organizing network (SON, self-Organized Networks).
From the description of the above embodiments, it will be clear to a person skilled in the art that the method according to the above embodiments may be implemented by means of software plus the necessary general hardware platform, but of course also by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method according to the embodiments of the present invention.
Device embodiment
In this embodiment, a test device for random access loading is further provided, and the test device is used to implement the foregoing embodiments and preferred embodiments, and is not described in detail. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. While the means described in the following embodiments are preferably implemented in software, implementation in hardware, or a combination of software and hardware, is also possible and contemplated.
Fig. 9 is a block diagram of a random access loading test apparatus according to an embodiment of the present invention, the apparatus being located in a base station, as shown in fig. 9, the apparatus comprising:
a first sending module 92, configured to initiate a test request for loading random access to a terminal, where the test request is used to instruct the terminal to record a situation of a specified random access procedure; initiating a Physical Downlink Control Channel (PDCCH) Order instruction to the terminal, wherein the PDCCH Order instruction is used for indicating the terminal to initiate the appointed random access process;
the first receiving module 94 is connected to the first sending module 92, and is configured to receive a result of the recording of the specified random access procedure by the terminal.
Optionally, the test request may include configuration information, where the configuration information is used to notify the terminal of the test interval and/or the number of tests of the specified random access procedure.
Alternatively, the test request may be an RRC connection reconfiguration message, and the configuration message may be a configuration message in which an indication type in the RRC connection reconfiguration message is a random access loading test.
Optionally, the first receiving module 94 may be further configured to receive response information of the terminal, where the response information is used to characterize that the terminal supports testing the random access loading.
Alternatively, the response information may be an RRC connection reconfiguration complete message.
Optionally, the apparatus may further include: the configuration module is used for configuring at least one of the following parameters of the random access loading test task: testing the time interval of the random access loading; testing the total times of random access loading; the random access loading random access mode; the number of terminals loaded by the random access is tested.
Optionally, the first receiving module 94 may be further configured to receive a measurement report reported by the terminal, where the measurement report carries the recording result.
Optionally, the first receiving module 94 may be further configured to receive an RRC connection reestablishment complete message reported by the terminal when a random access failure or RLF occurs in the specified random access procedure, and the record result of the specified random access procedure that is currently completed is carried in an extension field of the RRC connection reestablishment complete message.
Optionally, the case of the designating the random access procedure may include: and the random access result and the abnormal statistics of the specified random access process.
Fig. 10 is a block diagram of another random access loading test apparatus according to an embodiment of the present invention, the apparatus being located in a terminal, as shown in fig. 10, the apparatus comprising:
a second receiving module 102, configured to receive a test request for random access loading sent by a base station; receiving a PDCCH Order instruction sent by the base station;
and the recording module 104 is connected with the second receiving module 102, and is used for initiating a specified random access process according to the PDCCH Order instruction and recording the condition of the specified random access process.
Optionally, the apparatus may further include: and the second sending module 106 is connected with the recording module 104 and is used for sending the recording result of the specified random access procedure to the base station.
Optionally, the test request may include configuration information, where the configuration information is used to indicate a test interval and/or a test number of the specified random access procedure.
Alternatively, the test request may be an RRC connection reconfiguration message, and the configuration message may be a configuration message in which an indication type in the RRC connection reconfiguration message is a random access loading test.
Optionally, the second sending module 106 may be further configured to send response information to the base station, where the response information is used to characterize support for testing the random access loading.
Alternatively, the response information may be an RRC connection reconfiguration complete message.
Optionally, the second sending module 106 may be further configured to report a measurement report to the base station, where the measurement report carries the recording result.
Optionally, the second sending module 106 may be further configured to report an RRC connection reestablishment complete message to the base station when a random access failure or RLF occurs in the specified random access procedure, where an extension field of the RRC connection reestablishment complete message carries a recording result of the specified random access procedure that is currently completed.
Optionally, the second sending module 106 may be further configured to terminate the test on random access loading when it is determined that handover needs to be triggered, and send a recording result of the specified random access procedure that is currently completed to the base station.
Optionally, the case of the specified random access procedure includes: and the random access result and the abnormal statistics of the specified random access process.
It should be noted that each of the above modules may be implemented by software or hardware, and for the latter, it may be implemented by, but not limited to: the modules are all located in the same processor; alternatively, the above modules may be located in different processors in any combination.
System embodiment
In this embodiment, there is further provided a random access loading test system, and fig. 11 is a block diagram of a random access loading test system according to an embodiment of the present invention, where, as shown in fig. 11, the system includes a random access loading test device located at a base station as shown in fig. 9, and further includes a random access loading test device located at a terminal as shown in fig. 10.
Storage medium embodiment
The embodiment of the invention also provides a storage medium. Alternatively, in the present embodiment, the above-described storage medium may be configured to store program code for performing the steps of:
Step S102, initiating a test request for loading random access to a terminal, wherein the test request is used for indicating the terminal to record the condition of a specified random access process;
step S104, a physical downlink control channel PDCCH Order instruction is initiated to the terminal, wherein the PDCCH Order instruction is used for indicating the terminal to initiate the appointed random access process;
step S106, receiving the recording result of the terminal to the appointed random access process.
Alternatively, in the present embodiment, the storage medium may include, but is not limited to: 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.
Alternatively, specific examples in this embodiment may refer to examples described in the foregoing embodiments and optional implementations, and this embodiment is not described herein.
It will be appreciated by those skilled in the art that the modules or steps of the invention described above may be implemented in a general purpose computing device, they may be concentrated on a single computing device, or distributed across a network of computing devices, they may alternatively be implemented in program code executable by computing devices, so that they may be stored in a memory device for execution by computing devices, and in some cases, the steps shown or described may be performed in a different order than that shown or described, or they may be separately fabricated into individual integrated circuit modules, or multiple modules or steps within them may be fabricated into a single integrated circuit module for implementation. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (36)

1. The random access loading test method is applied to a base station and is characterized by comprising the following steps:
initiating a test request for loading random access to a terminal, wherein the test request is used for indicating the terminal to record the condition of a specified random access process;
receiving response information of the terminal, wherein the response information is used for representing that the terminal supports testing the random access loading;
initiating a Physical Downlink Control Channel (PDCCH) Order instruction to the terminal, wherein the PDCCH Order instruction is used for indicating the terminal to initiate the appointed random access process;
and receiving a recording result of the terminal on the appointed random access process.
2. The method according to claim 1, characterized in that the test request contains configuration information for informing the terminal about the test interval and/or the number of tests of the specified random access procedure.
3. The method of claim 2, wherein the test request is an RRC connection reconfiguration message, the configuration message being a configuration message in the RRC connection reconfiguration message indicating that the type is a random access load test.
4. The method of claim 1, wherein the response information is an RRC connection reconfiguration complete message.
5. The method of claim 1, further comprising, prior to initiating a test request for random access loading to the terminal:
configuring at least one of the following parameters of the random access loaded test task:
testing the time interval of the random access loading;
testing the total times of random access loading;
the random access loading random access mode;
the number of terminals loaded by the random access is tested.
6. The method of claim 1, wherein receiving the recording of the specified random access procedure by the terminal comprises:
and receiving a measurement report reported by the terminal, wherein the measurement report carries the recording result.
7. The method of claim 1, wherein receiving the recording of the specified random access procedure by the terminal comprises:
And under the condition that random access failure or RLF occurs in the specified random access process, receiving an RRC connection reestablishment completion message reported by the terminal, wherein the expansion field of the RRC connection reestablishment completion message carries the recording result of the currently completed specified random access process.
8. The method according to any of claims 1 to 7, wherein the case of specifying a random access procedure comprises:
and the random access result and the abnormal statistics of the specified random access process.
9. The random access loading test method is applied to a terminal and is characterized by comprising the following steps:
receiving a test request for random access loading sent by a base station;
transmitting response information to the base station, wherein the response information is used for characterizing support of testing the random access loading;
receiving a physical downlink control channel PDCCH Order instruction sent by the base station;
initiating a specified random access process according to the PDCCH Order instruction, and recording the condition of the specified random access process;
wherein after recording the specified random access procedure, the method further comprises: and sending a recording result of the specified random access procedure to the base station.
10. The method according to claim 9, wherein the test request contains configuration information indicating a test interval and/or a number of tests of the specified random access procedure.
11. The method of claim 10, wherein the test request is an RRC connection reconfiguration message, the configuration message being a configuration message in the RRC connection reconfiguration message indicating that the type is a random access load test.
12. The method of claim 9, wherein the response information is an RRC connection reconfiguration complete message.
13. The method of claim 9, wherein transmitting the recorded results of the specified random access procedure to the base station comprises:
reporting a measurement report to the base station, wherein the measurement report carries the recording result.
14. The method of claim 9, wherein transmitting the recorded results of the specified random access procedure to the base station comprises:
reporting an RRC connection reestablishment completion message to the base station under the condition that random access failure or RLF occurs in the appointed random access process, and carrying a recording result of the appointed random access process which is completed currently in an extension field of the RRC connection reestablishment completion message.
15. The method of claim 9, wherein transmitting the recorded results of the specified random access procedure to the base station comprises:
and when the trigger switching is determined to be needed, terminating the test of random access loading, and sending the recording result of the specified random access process which is completed currently to the base station.
16. The method according to any of the claims 9 to 15, wherein the case of specifying a random access procedure comprises:
and the random access result and the abnormal statistics of the specified random access process.
17. A test device for random access loading, located in a base station, comprising:
the first sending module is used for initiating a test request for loading random access to the terminal, wherein the test request is used for indicating the terminal to record the condition of the appointed random access process; initiating a Physical Downlink Control Channel (PDCCH) Order instruction to the terminal, wherein the PDCCH Order instruction is used for indicating the terminal to initiate the appointed random access process;
the first receiving module is used for receiving a recording result of the terminal on the appointed random access process; and receiving response information of the terminal, wherein the response information is used for representing that the terminal supports testing the random access loading.
18. The apparatus according to claim 17, wherein the test request contains configuration information for informing the terminal of the test interval and/or the number of tests of the specified random access procedure.
19. The apparatus of claim 18, wherein the test request is an RRC connection reconfiguration message, the configuration message being a configuration message in the RRC connection reconfiguration message indicating that the type is a random access load test.
20. The apparatus of claim 17, wherein the response information is an RRC connection reconfiguration complete message.
21. The apparatus of claim 17, wherein the apparatus further comprises:
the configuration module is used for configuring at least one of the following parameters of the random access loading test task:
testing the time interval of the random access loading;
testing the total times of random access loading;
the random access loading random access mode;
the number of terminals loaded by the random access is tested.
22. The apparatus of claim 17, wherein the first receiving means is further for:
and receiving a measurement report reported by the terminal, wherein the measurement report carries the recording result.
23. The apparatus of claim 17, wherein the first receiving means is further for:
and under the condition that random access failure or RLF occurs in the specified random access process, receiving an RRC connection reestablishment completion message reported by the terminal, wherein the expansion field of the RRC connection reestablishment completion message carries the recording result of the currently completed specified random access process.
24. The apparatus according to any of claims 17 to 23, wherein the case of specifying a random access procedure comprises:
and the random access result and the abnormal statistics of the specified random access process.
25. A test device for random access loading, located in a terminal, comprising:
the second receiving module is used for receiving a test request for random access loading sent by the base station;
the device sends response information to the base station before receiving the PDCCH Order, wherein the response information is used for representing supporting the test of the random access loading;
the recording module is used for initiating a specified random access process according to the PDCCH Order instruction and recording the condition of the specified random access process;
Wherein the apparatus further comprises: and the second sending module is used for sending the recording result of the specified random access process to the base station.
26. The apparatus of claim 25, wherein the test request comprises configuration information indicating a test interval and/or a number of tests of the specified random access procedure.
27. The apparatus of claim 26, wherein the test request is an RRC connection reconfiguration message, the configuration message being a configuration message in the RRC connection reconfiguration message indicating that the type is a random access load test.
28. The apparatus of claim 27, wherein the response information is an RRC connection reconfiguration complete message.
29. The apparatus of claim 25, wherein the second transmitting module is further configured to:
reporting a measurement report to the base station, wherein the measurement report carries the recording result.
30. The apparatus of claim 25, wherein the second transmitting module is further configured to:
reporting an RRC connection reestablishment completion message to the base station under the condition that random access failure or RLF occurs in the appointed random access process, and carrying a recording result of the appointed random access process which is completed currently in an extension field of the RRC connection reestablishment completion message.
31. The apparatus of claim 25, wherein the second transmitting module is further configured to:
and when the trigger switching is determined to be needed, terminating the test of random access loading, and sending the recording result of the specified random access process which is completed currently to the base station.
32. The apparatus according to any of claims 25 to 31, wherein the case of specifying a random access procedure comprises:
and the random access result and the abnormal statistics of the specified random access process.
33. A base station, comprising:
a first processor;
a first memory for storing the first processor-executable instructions;
a first transmission device for transmitting and receiving information according to the control of the first processor;
wherein the first processor is configured to control the first transmission device to perform the following operations:
initiating a test request for loading random access to a terminal, wherein the test request is used for indicating the terminal to record the condition of a specified random access process;
receiving response information sent by the terminal, wherein the response information is used for representing support for testing the random access loading;
Initiating a Physical Downlink Control Channel (PDCCH) Order instruction to the terminal, wherein the PDCCH Order instruction is used for indicating the terminal to initiate the appointed random access process;
and receiving a recording result of the terminal on the appointed random access process.
34. A terminal, comprising:
a second processor;
a second memory for storing the second processor-executable instructions;
a second transmission device for transmitting and receiving information according to the control of the second processor;
wherein the second processor is configured to control the second transmission device to perform the following operations:
receiving a test request for random access loading sent by a base station;
transmitting response information to the base station, wherein the response information is used for characterizing support of testing the random access loading;
receiving a physical downlink control channel PDCCH Order instruction sent by the base station;
initiating a specified random access process according to the PDCCH Order instruction, and recording the condition of the specified random access process;
the terminal is further configured to send a recording result of the specified random access procedure to the base station.
35. A random access loaded test system comprising a random access loaded test device according to any of claims 17 to 24, and further comprising a random access loaded test device according to any of claims 25 to 32.
36. A random access loading test system comprising a base station according to claim 33 and further comprising a terminal according to claim 34.
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