CN104281243B - The processor and processor reset method of a kind of RF remote equipment - Google Patents

The processor and processor reset method of a kind of RF remote equipment Download PDF

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Publication number
CN104281243B
CN104281243B CN201410515635.5A CN201410515635A CN104281243B CN 104281243 B CN104281243 B CN 104281243B CN 201410515635 A CN201410515635 A CN 201410515635A CN 104281243 B CN104281243 B CN 104281243B
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kernel
rru
row control
bbu
survival
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CN104281243A (en
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王文冬
周应学
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Datang Mobile Communications Equipment Co Ltd
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Datang Mobile Communications Equipment Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/24—Resetting means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition

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  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
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  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
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Abstract

The invention provides a kind of processor of RF remote equipment and processor reset method, wherein RRU processor is provided with N number of kernel, and N >=2, N are positive integer, and N number of kernel includes a Row control kernel and at least one algorithm task kernel；Methods described includes：When algorithm task kernel monitors that Row control kernel is not survived, the On-Chip peripheral of algorithm task kernel adapter RRU processor, to carry out the business data transmission between RRU and BBU, wherein, the business data transmission that On-Chip peripheral is used between RRU and BBU；After Row control kernel resets startup because of software anomaly is changed into survival, Row control kernel carries out the business data transmission between RRU and BBU from adapter On-Chip peripheral at algorithm task kernel.Present invention, avoiding business datum normal transmission between RRU and BBU is interrupted because flow monitoring kernel is not survived, ensure business datum normal transmission between RRU and BBU.

Description

The processor and processor reset method of a kind of RF remote equipment
Technical field
The present invention relates to communication technical field, more particularly to a kind of processor and processor reset of RF remote equipment Method.
Background technology
TD SDMA (Time Division-Synchronous Code Division Multiple Access, TD-SCDMA)/time-division Long Term Evolution (Time Division Long Term Evolution, TD-LTE) base station Equipment (Node B) is distributed base station equipment, it be by Base Band Unit equipment (Building Base band Unit, BBU), RF remote equipment (Radio Remote Unit, RRU) is formed, and is a kind of base station combination that can be installed with flexible distributed formula, its Middle RRU is connected by Ir interfaces with BBU, as shown in Figure 1.
Ir interfaces support more master slave modes, a BBU such as Y-connection, chain connection, annular connection to connect with multiple RRU Connect, RRU quantity is much larger than BBU quantity in practical application, with TD-LTE extensive commercialization, the number of outfield RRU device Amount will roll up, and this long-time failure-free operation to RRU proposes higher requirement.
Because RRU quantity is big, the probability for software anomaly occur is also of a relatively high.After software anomaly, RRU can not be transported normally Row using the means resetted, it is necessary to recover normal operation, and the duration that RRU resets to normal operation is typically necessary a few minutes, sternly Ghost image rings the perception of user.
RRU software mainly completes the interacting of RRU and BBU, the function of RRU periodic calibration.Wherein, RRU and BBU Interaction is mainly included in position detection, the inquiry of parameter, configuration.In the case where BBU configurations are constant, RRU periodic calibration is main To be used for ensureing that in outside environmental change (mainly temperature), RRU performance indications meet to require.The external environment conditions such as temperature will Element does not have significant change in the short time, and the cycle of periodic calibration generally is 1 hour even longer, the time that RRU resets Much smaller than the cycle of periodic calibration, it is believed that unchanged in the performance indications for resetting RRU in the so short time.
Between RRU and BBU the transmission of business datum in itself and do not need software participate in.RRU business datums send and receive Passage is as shown in Fig. 2 hard by field programmable gate array (Field-Programmable Gate Array, FPGA) and RRU Part is completed.Wherein, FPGA includes excuse FPGA and intermediate frequency FPGA, and the transmission of business datum is by digital analog converter (Digital to Analog Converter, DAC), power amplifier (Power Amplifier, PA) and IL interface antennas etc. be responsible for；Business number According to reception by analog-digital converter (Analog to Digital Converter, ADC), low-noise amplifier (Low Noise Amplifier, LNA) and IL interface antennas etc. be responsible for.
If during RRU resets because of software anomaly, the configuration of FPGA and RRU hardware can be kept constant, RRU Interaction with BBU keeps normal, and the business data transmission between RRU and BBU just can keep normal.
When existing RRU resets, not only processor is resetted, FPGA, RRU hardware can also be reloaded and just Beginningization, RRU will disconnect the connection with main website, and business data transmission is interrupted.
Also, restart work to RRU after being resetted due to RRU, to pass through FPGA loadings, hardware initialization, equipment The series of steps such as self-test, passage calibration, RRU accesses are, it is necessary to consume a longer time the normal transmission that could recover business datum.
The content of the invention
The present invention provides a kind of processor and processor reset method of RF remote equipment, to solve RF remote equipment Processor when being resetted because of software anomaly, it is impossible to the problem of keeping business datum normal transmission.
It is described to penetrate the invention discloses a kind of processor reset method of RF remote equipment in order to solve the above problems Frequency remote equipment RRU processor is provided with N number of kernel, and N >=2, N are positive integer, and N number of kernel includes a Row control Kernel and at least one algorithm task kernel；Methods described includes：
When the algorithm task kernel monitors that the Row control kernel is not survived, the algorithm task kernel adapter The On-Chip peripheral of the processor of the RRU, to carry out the business data transmission between RRU and RF remote the equipment BBU, its In, the On-Chip peripheral is for the business data transmission between the RRU and the BBU；
After the Row control kernel resets startup because of software anomaly is changed into survival, the Row control kernel is from institute State and the On-Chip peripheral is taken at algorithm task kernel, carry out the business data transmission between the RRU and the BBU.
Preferably, the algorithm task kernel monitors whether the Row control kernel survives in the following manner：
The algorithm task kernel periodically sends survival query messages to the Row control kernel；
When the algorithm task kernel receives the survival response message that the Row control kernel is replied, the algorithm Task kernel judges the Row control kernel survival；
When the algorithm task kernel continuous N time transmission survival query messages, and do not receive in the Row control During the survival response message that core is replied, the algorithm task kernel judges that the Row control kernel is not survived, and M is positive integer.
Preferably, resetted in the Row control kernel because of software anomaly before startup is changed into survival, methods described is also Including：The Row control kernel preserve the RRU community configured information and status information to internal memory；
Resetted in the Row control kernel because of software anomaly after startup is changed into survival, methods described also includes：Institute State community configured information and status information that Row control kernel replicates the RRU from the internal memory, and preserve to it is described In the corresponding variable of RRU community configured information and status information.
Preferably, in addition to：
When the Row control kernel is not survived, the algorithm task kernel reports the Row control kernel exception Warning information is to the BBU；
After the Row control kernel resets startup because of software anomaly is changed into survival, the Row control kernel reports The alarm clearance information of the Row control kernel exception is to the BBU.
Preferably, resetted in the Row control kernel because of software anomaly after startup is changed into survival, methods described is also wrapped Include：
The Row control kernel detects the identity identification information of the RRU or the heartbeat message of the BBU；
If the Row control kernel can't detect the identity identification information of the RRU or the heartbeat message of the BBU, Then karyogenesis, the preservation RRU this reset alarm information in the Row control, and resetted；Wherein, the BBU Heartbeat message for the BBU after the heartbeat message that the RRU is sent is received, to the RRU send return information；
Also, after the completion of it is determined that interface channel between the RRU and the BBU establishes, the Row control kernel This reset alarm information of the RRU is reported to the BBU, wherein, when the RRU sends heartbeat message and receives described During the heartbeat message that BBU is replied, the interface channel between the RRU and the BBU, which is established, to be completed.
Preferably, in addition to：
When the Row control kernel is not survived, and the BBU do not receive continuously the heartbeat message that the RRU is sent when Between when being more than the crash time, the overall hardware of verification RRU processor is resetted in the algorithm task；
The overall hardware includes micro-control unit and field programmable gate array.
Correspondingly, the invention also discloses a kind of processor of RF remote equipment, the place of the RF remote equipment RRU Reason device is provided with N number of kernel, and N >=2, N are positive integer, and N number of kernel includes a Row control kernel and at least one calculation Method task kernel；
The algorithm task kernel, for when it monitors that the Row control kernel is not survived, taking over the RRU's The On-Chip peripheral of processor, to carry out the business data transmission between RRU and RF remote the equipment BBU, wherein, described The business data transmission that upper peripheral hardware is used between the RRU and the BBU；
The Row control kernel, for after it resets startup because of software anomaly and is changed into survival, appointing from the algorithm It is engaged in taking over the On-Chip peripheral at kernel, carries out the business data transmission between the RRU and the BBU.
Preferably, the algorithm task kernel monitors whether the Row control kernel survives in the following manner：
The algorithm task kernel periodically sends survival query messages to the Row control kernel；
When the algorithm task kernel receives the survival response message that the Row control kernel is replied, the algorithm Task kernel judges the Row control kernel survival；
When the algorithm task kernel continuous N time transmission survival query messages, and do not receive in the Row control During the survival response message that core is replied, the algorithm task kernel judges that the Row control kernel is not survived, and M is positive integer.
Preferably, the Row control kernel, it is additionally operable to reset because of software anomaly before startup is changed into survival at it, protects Deposit the RRU community configured information and status information to internal memory；And
Resetted at it because of software anomaly after startup is changed into survival, the cell that the RRU is replicated from the internal memory is matched somebody with somebody Confidence ceases and status information, and preserves into the variable corresponding with the community configured information and status information of the RRU.
Preferably, the algorithm task kernel, it is additionally operable to, when the Row control kernel is not survived, report the flow The warning information of kernel exception is controlled to the BBU；
The Row control kernel, it is additionally operable to after it resets startup because of software anomaly and is changed into survival, report its exception Alarm clearance information to the BBU.
Preferably, the Row control kernel, it is additionally operable to reset because of software anomaly after startup is changed into survival at it, detection The heartbeat message of the identity identification information of the RRU or the BBU；
If can't detect the identity identification information of the RRU or the heartbeat message of the BBU, described in generation, preservation RRU this reset alarm information, and resetted；Wherein, the heartbeat message of the BBU is that the BBU is receiving the RRU After the heartbeat message sent, to the return information of RRU transmissions；
Also, after the completion of it is determined that interface channel between the RRU and the BBU establishes, report the RRU this Reset alarm information to the BBU, wherein, when the RRU sends heartbeat message and receives the heartbeat message that the BBU replys When, the interface channel between the RRU and the BBU, which is established, to be completed.
Preferably, the algorithm task kernel, it is additionally operable to when the Row control kernel is not survived, and the BBU is continuous When not receiving time of the heartbeat message that the RRU is sent and being more than the crash time, the overall hardware of the processor of the RRU is entered Row resets；
The overall hardware includes micro-control unit and field programmable gate array.
Compared with background technology, the present invention includes advantages below：
RRU processors in technical solution of the present invention are provided with N number of kernel, and N >=2, N are positive integer.N number of kernel includes One Row control kernel and at least one algorithm task kernel.When algorithm task kernel monitors that Row control kernel is not survived When, the On-Chip peripheral of algorithm task kernel adapter RRU processors, to carry out the business data transmission between RRU and BBU, avoid Business datum normal transmission between RRU and BBU is interrupted because flow monitoring kernel is not survived.
After Row control kernel resets startup because of software anomaly is changed into survival, Row control kernel is out of algorithm task Adapter On-Chip peripheral at core, carry out the business data transmission between RRU and BBU.No matter whether the Row control kernel in RRU is deposited Living, the On-Chip peripheral of RRU processors has kernel adapter, ensures the normal transmission of business datum between RRU and BBU.
Brief description of the drawings
Fig. 1 is RRU and BBU connection relationship diagram；
Fig. 2 is the transmitting-receiving relation schematic diagram of RRU interior business data；
Fig. 3 is the processor reset method flow diagram of RRU in the embodiment of the present invention a kind of；
Fig. 4 is kernel survival monitoring function schematic diagram in the embodiment of the present invention；
Fig. 5 is the processor reset method flow diagram of another RRU in the embodiment of the present invention；
Fig. 6 is the schematic diagram that RRU sends heartbeat message to BBU in the embodiment of the present invention；
Fig. 7 is the schematic diagram that BBU sends heartbeat message to RRU in the embodiment of the present invention；
Fig. 8 is the processor reset method flow diagram of another RRU in the embodiment of the present invention；
Fig. 9 is the operational flow diagram of BBU in the embodiment of the present invention；
Figure 10 is the processor structure schematic diagram of RRU in the embodiment of the present invention a kind of.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real Applying mode, the present invention is further detailed explanation.
In order to reduce RRU cost of manufacturing, some algorithms in RRU move processor to realize by FPGA, more Come more RRU processors selection Advanced RISC Machines (Advanced RISC Machines, ARM)+ The on-chip system (System on Chip, SOC) of digital signal processor (digital signal processor, DSP) or Person ARM+ARM SOC, the holding business data transmission during RRU resets because of software anomaly that is designed as of more kernels are brought Possibility.
RRU processor is provided with N number of kernel in the embodiment of the present invention, and N >=2, N are positive integer, and N number of kernel can be with Including a Row control kernel and at least one algorithm task kernel.
Below by enumerate several specific embodiments be discussed in detail a kind of RRU provided by the invention processor and should RRU processor reset method.
Embodiment one
A kind of RRU provided in an embodiment of the present invention processor reset method is discussed in detail.
Reference picture 3, show the processor reset method flow diagram of RRU in the embodiment of the present invention a kind of.
Step 100, when the algorithm task kernel monitors that the Row control kernel is not survived, the algorithm task Kernel takes over the On-Chip peripheral of the processor of the RRU, to carry out the business number between RRU and RF remote the equipment BBU According to transmission.
Wherein, the business data transmission that the On-Chip peripheral is used between the RRU and the BBU, including Ethernet connect The equipment such as mouth.On-Chip peripheral is exercisable for all kernels in RRU processors.
RRU processors in the embodiment of the present invention can have kernel survival monitoring function, for confirming in monitored Core whether normal operation, be specifically as follows monitoring kernel to monitored kernel send survival query messages, if monitoring kernel receive The survival response message replied to monitored kernel, then it is assumed that monitored kernel survival, otherwise it is assumed that monitored kernel is not survived, In exceptional reset state, kernel survival monitoring function schematic diagram is as shown in Figure 4.
When the RRU processors include polyalgorithm task kernel, can arbitrarily be selected from polyalgorithm task kernel One is selected, the On-Chip peripheral of the processor of RRU described in trustship, to carry out the business between RRU and RF remote the equipment BBU Data transfer.
Step 102, after the Row control kernel resets startup because of software anomaly is changed into survival, the Row control Kernel takes over the On-Chip peripheral at the algorithm task kernel, and the business datum carried out between the RRU and the BBU passes It is defeated.
It should be noted that above-mentioned Row control kernel resets the process for starting and being changed into survival because of software anomaly, it is not required to Other kernels in RRU processors are resetted, it is not required that RRU FPGA and other hardware reload and Initialization operation.
In summary, the RRU processors in technical scheme of the embodiment of the present invention are provided with N number of kernel, and N >=2, N are just whole Number.N number of kernel includes a Row control kernel and at least one algorithm task kernel.When algorithm task kernel monitors to flow When process control kernel is not survived, the On-Chip peripheral of algorithm task kernel adapter RRU processors, to carry out the industry between RRU and BBU It is engaged in data transfer, avoids interrupting business datum normal transmission between RRU and BBU because flow monitoring kernel is not survived.
After Row control kernel resets startup because of software anomaly is changed into survival, Row control kernel is out of algorithm task Adapter On-Chip peripheral at core, carry out the business data transmission between RRU and BBU.No matter whether the Row control kernel in RRU is deposited Living, the On-Chip peripheral of RRU processors has kernel adapter, ensures the normal transmission of business datum between RRU and BBU.
Embodiment two
A kind of RRU provided in an embodiment of the present invention processor reset method is discussed in detail.
Reference picture 5, show the processor reset method flow diagram of RRU in the embodiment of the present invention a kind of.
Step 200, the Row control kernel preserve the RRU community configured information and status information to internal memory.
The step 200 can be the Row control kernel under its existing state, i.e., under normal operating conditions, will RRU community configured information and status information is saved in internal memory.The purpose is to treat to incite somebody to action after Row control core reset RRU community configured information and status information is read out, and is unlikely to lose cell configuration because of Row control core reset Information and status information.
Step 202, whether Row control kernel described in Nuclear monitoring survives in the algorithm task.
It can be performed simultaneously without fixed ordinal relation, two steps between the step 202 and above-mentioned steps 200.
Preferably, the step 202 can be：
The algorithm task kernel periodically sends survival query messages to the Row control kernel.
The step 202 can be the operating procedure being periodically executed, i.e., perform at regular intervals once.
(1) it is described, when the algorithm task kernel receives the survival response message that the Row control kernel is replied Algorithm task kernel judges the Row control kernel survival.
(2), when the algorithm task kernel continuous N time transmission survival query messages, and the flow control is not received During the survival response message that kernel processed is replied, the algorithm task kernel judges that the Row control kernel is not survived, and M is just whole Number.
When the algorithm task kernel monitors that the Row control kernel is not survived, can perform subsequent step 204, Step 206 and step 208.
Step 204, the algorithm task kernel takes over the On-Chip peripheral of the processor of the RRU, with carry out the RRU with Business data transmission between RF remote equipment BBU.
Wherein, the On-Chip peripheral can including Ethernet card etc. equipment, can be used between the RRU and the BBU Business data transmission.
Step 206, the algorithm task kernel reports the warning information of the Row control kernel exception to the BBU.
After above-mentioned steps 204, i.e., the algorithm task kernel take over the processor of the RRU On-Chip peripheral it Afterwards, above-mentioned steps 206 can be performed, the abnormal warning information that the Row control kernel is not survived is sent to the BBU, In case operating personnel analyze the reason for can not survived to Row control kernel, and Row control kernel is excluded in time and is not deposited Failure living.
Step 208, when the time that the BBU does not receive the heartbeat message that the RRU is sent continuously being more than the crash time, The overall hardware of verification RRU processor is resetted in the algorithm task.
Wherein, the overall hardware includes micro-control unit and field programmable gate array, and RRU processors other Hardware etc..
The step 208 has no direct ordinal relation with above-mentioned steps 204 and step 206, is simply used with sequence number mark In convenient explanation.
Assuming that the crash time is 9 seconds, it is described if the BBU does not receive the heartbeat message that the RRU is sent in continuous 10 seconds The time that BBU does not receive the heartbeat message that the RRU is sent continuously is more than the crash time, in the algorithm task described in verification The hardware such as the micro-control unit and field programmable gate array of RRU processor are resetted.
When the algorithm task kernel monitors Row control kernel survival, and the Row control kernel is because soft Part is abnormal and resets startup and is changed into after survival, can perform subsequent step 210, step 212, step 214 and step 216.
Step 210, the Row control kernel takes over the On-Chip peripheral at the algorithm task kernel, described in progress Business data transmission between RRU and the BBU.
After Row control core reset startup is changed into survival, it will can be taken over before by the algorithm task kernel Past On-Chip peripheral is taken over again.
Step 212, the Row control kernel replicates the community configured information and state letter of the RRU from the internal memory Breath, and preserve into the variable corresponding with the community configured information and status information of the RRU.
The Row control kernel need not reacquire community configured information and status information, can be directly from internal memory The community configured information preserved and status information are copied, saves Row control kernel from the recovery for resetting to normal operation Time.
Step 214, the Row control kernel reports the alarm clearance information of the Row control kernel exception to described BBU。
The Row control kernel is by the alarm clearance information reporting to the BBU, in case operating personnel can be real-time Understand the running status of the Row control kernel.
The step 214 has no direct ordinal relation with above-mentioned steps 212, is only intended to conveniently illustrate with sequence number mark.
Step 216, the Row control kernel detects the identity identification information of the RRU or the heartbeat letter of the BBU Breath.
The step 216 has no direct ordinal relation with above-mentioned steps 214, step 212, and the side of being only intended to is identified with sequence number Just illustrate.
If the Row control kernel can't detect the identity identification information of the RRU or the heartbeat message of the BBU, Then karyogenesis, the preservation RRU this reset alarm information in the Row control, and resetted.
Wherein, the heartbeat message of the BBU be the BBU after the heartbeat message that the RRU is sent is received, to described The return information that RRU is sent.
Also, after the completion of it is determined that interface channel between the RRU and the BBU establishes, the Row control kernel This reset alarm information of the RRU is reported to the BBU.
Wherein, when the RRU sends heartbeat message and receives the heartbeat message that the BBU is replied, the RRU and institute The interface channel stated between BBU establishes completion.
Detected in place between the BBU and the RRU by mutually sending heartbeat message, the triggering bar detected in place Interface channel of the part between BBU and RRU, which is established, to be completed.Fig. 6 is the schematic diagram that RRU sends heartbeat message to BBU；Fig. 7 is BBU The schematic diagram of heartbeat message is sent to RRU.
In summary, the RRU processors in technical scheme of the embodiment of the present invention are provided with N number of kernel, and N >=2, N are just whole Number.N number of kernel includes a Row control kernel and at least one algorithm task kernel.When algorithm task kernel monitors to flow When process control kernel is not survived, the On-Chip peripheral of algorithm task kernel adapter RRU processors, to carry out the industry between RRU and BBU It is engaged in data transfer, avoids interrupting business datum normal transmission between RRU and BBU because flow monitoring kernel is not survived.
After Row control kernel resets startup because of software anomaly is changed into survival, Row control kernel is out of algorithm task Adapter On-Chip peripheral at core, carry out the business data transmission between RRU and BBU.No matter whether the Row control kernel in RRU is deposited Living, the On-Chip peripheral of RRU processors has kernel adapter, ensures the normal transmission of business datum between RRU and BBU.
During Row control kernel resets because of software anomaly, reduce unnecessary flow, including it is right FPGA and RRU hardware such as reloads and initialized at the operation, accelerate Row control kernel resetted because of software anomaly it is extensive The multiple time.
Embodiment three
A kind of RRU provided in an embodiment of the present invention processor reset method is discussed in detail.
Reference picture 8, show the processor reset method flow diagram of RRU in the embodiment of the present invention a kind of.
After RUU starts, step 300 is performed.
Step 300, Row control kernel starts.
Step 302, judge whether Row control kernel resets before this startup because of software anomaly.
When Row control kernel before this startup is resetted because of software anomaly, then step 304 is performed；Otherwise, Perform step 306.
Step 304, Row control kernel copies recorded in corresponding variable of having preserved from high memory.
Wherein, the record preserved can include the community configured information and status information of the RRU, by the stream Process control kernel is saved among high memory before reset.
Step 308, Row control kernel notification algorithm task kernel is completed to start.
Step 310, the communication that Row control kernel is taken between BBU at algorithm task kernel.
Next, perform step 312.
Step 312, RRU normal works.
Preferably, the step 312 can also be：If resetted before Row control kernel because of software anomaly, RRU After normal work, the alarm clearance information of kernel is controlled to BBU report flows.
Step 314, if software anomaly occurs in the RRU courses of work, be recorded described in the preservation of Row control kernel in high-end In depositing, Row control core reset.Step 300 is re-executed afterwards.
Step 306, loading tasks algorithm kernel, assignment algorithm kernel bring into operation.
Step 316, FPGA, initiating hardware are loaded.
Step 318, RRU accesses main website.Step 312 is performed afterwards.
It should be noted that after above-mentioned steps 306, while can also carry out the following steps.
Step 320, whether Nuclear monitoring Row control kernel survives in algorithm task.
If Row control kernel is survived, step 320 is re-executed；Otherwise, step 322 is performed.
Step 322, algorithm task kernel is kept in communication instead of Row control kernel with BBU, and report flow control kernel Abnormality alarming information.
It should be noted that algorithm task kernel will be before BBU detects that RRU is not survived, adapter On-Chip peripheral, keep Communication between BBU.
Step 324, Row control kernel is waited to complete to start.
Step 326, judge whether Row control kernel is completed to start.
If Row control kernel is completed to start, step 320 is performed；Otherwise, step 324 is performed.
The processor reset method of RRU in the embodiment of the present invention a kind of also provides abnormal protection to RRU.
Generally, embedded system has house dog, and the whole plate that can be to software anomaly situations such as carries out RRU resets.It will see The time that door dog resets to RRU justifyings is designed as 10 seconds, ensures that justifying resetting time is more than RRU detection cycle in place.
(1) if kernel all on RRU is all abnormal, house dog in 10 seconds to RRU whole plates reset, multiple kernels it is different Often it is resolved after whole plate reset.
(2) if equipment, BBU do not detect that RRU is not in place to Row control kernel on the piece such as adapter Ethernet interface, deleting should All carrier waves on RRU, stop the interaction with RRU.After Row control kernel starts, if can't detect RRU identity identification informations Or can't detect the heartbeat message of BBU sides, then carry out relevant subsequent processing：Generate and preserve the alarm letter for causing RRU to reset Breath, into the reset state for not influenceing next stage RRU.Reset and reenter the Path Setup process interacted with BBU after starting, and The warning information of preservation is reported in time in Path Setup request message, in case operating personnel can enter to RRU reset circuit Row analysis, the failure for causing RRU to reset is excluded in time.
(3) other kernel exceptions in addition to Row control kernel, the same short time does not interfere with RRU performance indications, right Corresponding abnormal kernel is resetted or reloaded start-up operation.
Because the time of RRU Row control core reset is very short, it is assumed that maximum is no more than 100 seconds, can ensure RRU's Performance indications are unchanged, and BBU is after the abnormal warning message of Row control kernel is received, and RRU detection in place is normal In the case of, BBU avoided configuring RRU within 100 second time and inquiry operation, whether in place only detects RRU.If it exceeds 100 seconds, the alarm of Row control kernel exception was not removed, and RRU is still in place, then whole plate reset command is issued to RRU, by calculating The reset that method task kernel performs to micro-control unit, FPGA and RRU other hardware operates.
Reference picture 9, show the operational flow diagram of BBU in the embodiment of the present invention.
Step 400, RRU accesses BBU, establishes cell.
Step 402, BBU carries out conventional maintenance to RRU.
Step 404, BBU receives the abnormal warning message of RRU Row control kernel.
Step 406, BBU only detects RRU heartbeat message, RRU is not configured and inquiry operation.
Step 408, the alarm clearance message of Row control kernel is waited.
Step 410, judge the stand-by period whether more than 100 seconds.
If the stand-by period more than 100 seconds, performs step 412；Otherwise, step 402 is performed.
Step 412, justifying reset command is sent to RRU.
In summary, the RRU processors in technical scheme of the embodiment of the present invention are provided with N number of kernel, and N >=2, N are just whole Number.N number of kernel includes a Row control kernel and at least one algorithm task kernel.When algorithm task kernel monitors to flow When process control kernel is not survived, the On-Chip peripheral of algorithm task kernel adapter RRU processors, to carry out the industry between RRU and BBU It is engaged in data transfer, avoids interrupting business datum normal transmission between RRU and BBU because flow monitoring kernel is not survived.
After Row control kernel resets startup because of software anomaly is changed into survival, Row control kernel is out of algorithm task Adapter On-Chip peripheral at core, carry out the business data transmission between RRU and BBU.No matter whether the Row control kernel in RRU is deposited Living, the On-Chip peripheral of RRU processors has kernel adapter, ensures the normal transmission of business datum between RRU and BBU.
During Row control kernel resets because of software anomaly, reduce unnecessary flow, including it is right FPGA and RRU hardware such as reloads and initialized at the operation, accelerate Row control kernel resetted because of software anomaly it is extensive The multiple time.
Increase the abnormality alarming function of RRU Row control kernel, and BBU corresponding subsequent treatment, in Row control In the case that core normally starts after resetting, the business datum normal transmission between RRU and BBU；After Row control core reset not In the case of normal startup, whole plate is initiated by BBU sides and resetted, is solved abnormal.
Increase RRU abnormity protection function, it is ensured that in RRU in the case of single kernel and more kernel exceptions, RRU can recover Normal operating conditions.
Example IV
A kind of RRU provided in an embodiment of the present invention processor is discussed in detail.
Reference picture 10, show the processor structure schematic diagram of RRU in the embodiment of the present invention a kind of.
The processor of RRU a kind of is provided with N number of kernel, and N >=2, N are positive integer, and N number of kernel can include one Individual Row control kernel 500 and at least one algorithm task kernel 502.
The algorithm task kernel 502, for when it monitors that the Row control kernel 500 is not survived, taking over institute The On-Chip peripheral of RRU processor is stated, to carry out the business data transmission between the RRU and BBU.
Wherein, the business data transmission that the On-Chip peripheral is used between the RRU and the BBU.
Preferably, the algorithm task kernel 502 monitors whether the Row control kernel 500 is deposited in the following manner It is living：
The algorithm task kernel 502 periodically sends survival query messages to the Row control kernel 500.
When the algorithm task kernel 502 receives the survival response message that the Row control kernel 500 is replied, institute State algorithm task kernel 502 and judge that the Row control kernel 500 is survived.
When the continuous N of the algorithm task kernel 502 time transmission survival query messages, and the Row control is not received During the survival response message that kernel 500 is replied, the algorithm task kernel 502 judges that the Row control kernel 500 is not survived, M is positive integer.
Preferably, the algorithm task kernel 502, it is additionally operable to, when the Row control kernel 500 is not survived, report institute The abnormal warning information of Row control kernel 500 is stated to the BBU.
Preferably, the algorithm task kernel 502, it is additionally operable to when the Row control kernel 500 is not survived, and it is described When the time that BBU does not receive the heartbeat message that the RRU is sent continuously is more than the crash time, to the whole of the processor of the RRU Body hardware is resetted.Wherein, the overall hardware includes micro-control unit and field programmable gate array.
The Row control kernel 500, for after it resets startup because of software anomaly and is changed into survival, from the algorithm The On-Chip peripheral is taken at task kernel 502, carries out the business data transmission between the RRU and the BBU.
Preferably, the Row control kernel 500, is additionally operable to reset startup because of software anomaly at it and is changed into surviving it Before, preserve the RRU community configured information and status information to internal memory；And reset startup because of software anomaly at it and become After survival, replicate the community configured information and status information of the RRU from the internal memory, and preserve to the RRU Community configured information and the corresponding variable of status information in.
Preferably, the Row control kernel 500, it is additionally operable to after it resets startup because of software anomaly and is changed into survival, Its abnormal alarm clearance information is reported to the BBU.
Preferably, the Row control kernel 500, it is additionally operable to reset because of software anomaly after startup is changed into survival at it, Detect the identity identification information of the RRU or the heartbeat message of the BBU.
If can't detect the identity identification information of the RRU or the heartbeat message of the BBU, described in generation, preservation RRU this reset alarm information, and resetted.Wherein, the heartbeat message of the BBU is that the BBU is receiving the RRU After the heartbeat message sent, to the return information of RRU transmissions.
Also, after the completion of it is determined that interface channel between the RRU and the BBU establishes, report the RRU this Reset alarm information is to the BBU.Wherein, when the RRU sends heartbeat message and receives the heartbeat message of the BBU replies When, the interface channel between the RRU and the BBU, which is established, to be completed.
In summary, the RRU processors in technical scheme of the embodiment of the present invention are provided with N number of kernel, and N >=2, N are just whole Number.N number of kernel includes a Row control kernel and at least one algorithm task kernel.When algorithm task kernel monitors to flow When process control kernel is not survived, the On-Chip peripheral of algorithm task kernel adapter RRU processors, to carry out the industry between RRU and BBU It is engaged in data transfer, avoids interrupting business datum normal transmission between RRU and BBU because flow monitoring kernel is not survived.
After Row control kernel resets startup because of software anomaly is changed into survival, Row control kernel is out of algorithm task Adapter On-Chip peripheral at core, carry out the business data transmission between RRU and BBU.No matter whether the Row control kernel in RRU is deposited Living, the On-Chip peripheral of RRU processors has kernel adapter, ensures the normal transmission of business datum between RRU and BBU.
During Row control kernel resets because of software anomaly, reduce unnecessary flow, including it is right FPGA and RRU hardware such as reloads and initialized at the operation, accelerate Row control kernel resetted because of software anomaly it is extensive The multiple time.
Increase the abnormality alarming function of RRU Row control kernel, and BBU corresponding subsequent treatment, in Row control In the case that core normally starts after resetting, the business datum normal transmission between RRU and BBU；After Row control core reset not In the case of normal startup, whole plate is initiated by BBU sides and resetted, is solved abnormal.
For the embodiment of RRU processor, because it is substantially similar to embodiment of the method, so the comparison of description Simply, the relevent part can refer to the partial explaination of embodiments of method.
Each embodiment in this specification is described by the way of progressive, what each embodiment stressed be with The difference of other embodiment, between each embodiment identical similar part mutually referring to.
The processor of RRU a kind of and the repositioning method of the processor provided above the embodiment of the present invention, carry out It is discussed in detail, specific case used herein is set forth to the principle and embodiment of the present invention, above example Illustrate to be only intended to help the method and its core concept for understanding the present invention；Meanwhile for those of ordinary skill in the art, according to According to the thought of the present invention, there will be changes in specific embodiments and applications, in summary, this specification content It should not be construed as limiting the invention.

Claims (12)

  1. A kind of 1. processor reset method of RF remote equipment, it is characterised in that the processor of the RF remote equipment RRU N number of kernel is provided with, N >=2, N are positive integer, and N number of kernel includes a Row control kernel and at least one algorithm is appointed Business kernel；Methods described includes：
    When the algorithm task kernel monitors that the Row control kernel is not survived, described in the algorithm task kernel adapter The On-Chip peripheral of RRU processor, to carry out the business data transmission between RRU and Base Band Unit the equipment BBU, wherein, The business data transmission that the On-Chip peripheral is used between the RRU and the BBU；
    After the Row control kernel resets startup because of software anomaly is changed into survival, the Row control kernel is from the calculation The On-Chip peripheral is taken at method task kernel, carries out the business data transmission between the RRU and the BBU.
  2. 2. according to the method for claim 1, it is characterised in that the algorithm task kernel monitors described in the following manner Whether Row control kernel survives：
    The algorithm task kernel periodically sends survival query messages to the Row control kernel；
    When the algorithm task kernel receives the survival response message that the Row control kernel is replied, the algorithm task Kernel judges the Row control kernel survival；
    When the algorithm task kernel continuous N time transmission survival query messages, and the Row control kernel is not received and is returned During multiple survival response message, the algorithm task kernel judges that the Row control kernel is not survived, and M is positive integer.
  3. 3. according to the method for claim 1, it is characterised in that
    Resetted in the Row control kernel because of software anomaly before startup is changed into survival, methods described also includes：The stream Process control kernel preserve the RRU community configured information and status information to internal memory；
    Resetted in the Row control kernel because of software anomaly after startup is changed into survival, methods described also includes：The stream Process control kernel replicates the community configured information and status information of the RRU from the internal memory, and preserves to the RRU's In community configured information and the corresponding variable of status information.
  4. 4. according to the method for claim 1, it is characterised in that also include：
    When the Row control kernel is not survived, the algorithm task kernel reports the alarm of the Row control kernel exception Information is to the BBU；
    After the Row control kernel resets startup because of software anomaly is changed into survival, the Row control kernel reports described The alarm clearance information of Row control kernel exception is to the BBU.
  5. 5. according to the method for claim 1, it is characterised in that reset and open because of software anomaly in the Row control kernel Move after being changed into survival, methods described also includes：
    The Row control kernel detects the identity identification information of the RRU or the heartbeat message of the BBU；
    If the Row control kernel can't detect the identity identification information of the RRU or the heartbeat message of the BBU, institute State karyogenesis in Row control, preserve this reset alarm information of the RRU, and resetted；Wherein, the heart of the BBU Hop-information be the BBU after the heartbeat message that the RRU is sent is received, to the RRU send return information；
    Wherein, when the RRU sends heartbeat message and receives the heartbeat message that the BBU is replied, the RRU with it is described Interface channel between BBU, which is established, to be completed.
  6. 6. according to the method for claim 5, it is characterised in that also include：
    When the Row control kernel is not survived, and the BBU do not receive continuously the heartbeat message that the RRU is sent time it is big When the crash time, the overall hardware of verification RRU processor is resetted in the algorithm task；
    The overall hardware includes micro-control unit and field programmable gate array.
  7. 7. a kind of processor of RF remote equipment, it is characterised in that the processor of the RF remote equipment RRU is provided with N Individual kernel, N >=2, N are positive integer, and N number of kernel includes a Row control kernel and at least one algorithm task kernel；
    The algorithm task kernel, for when it monitors that the Row control kernel is not survived, taking over the processing of the RRU The On-Chip peripheral of device, to carry out the business data transmission between RRU and Base Band Unit the equipment BBU, wherein, described is upper outer If for the business data transmission between the RRU and the BBU；
    The Row control kernel, for after it resets startup because of software anomaly and is changed into survival, out of described algorithm task The On-Chip peripheral is taken at core, carries out the business data transmission between the RRU and the BBU.
  8. 8. processor according to claim 7, it is characterised in that the algorithm task kernel monitors institute in the following manner State whether Row control kernel survives：
    The algorithm task kernel periodically sends survival query messages to the Row control kernel；
    When the algorithm task kernel receives the survival response message that the Row control kernel is replied, the algorithm task Kernel judges the Row control kernel survival；
    When the algorithm task kernel continuous N time transmission survival query messages, and the Row control kernel is not received and is returned During multiple survival response message, the algorithm task kernel judges that the Row control kernel is not survived, and M is positive integer.
  9. 9. processor according to claim 7, it is characterised in that
    The Row control kernel, it is additionally operable to reset because of software anomaly before startup is changed into survival at it, preserves the RRU's Community configured information and status information are to internal memory；And
    Resetted at it because of software anomaly after startup is changed into survival, the cell configuration letter of the RRU is replicated from the internal memory Breath and status information, and preserve into the variable corresponding with the community configured information and status information of the RRU.
  10. 10. processor according to claim 7, it is characterised in that
    The algorithm task kernel, it is additionally operable to, when the Row control kernel is not survived, report the Row control kernel different Normal warning information is to the BBU；
    The Row control kernel, it is additionally operable to after it resets startup because of software anomaly and is changed into survival, report its abnormal announcement Alert information of removing is to the BBU.
  11. 11. processor according to claim 7, it is characterised in that
    The Row control kernel, it is additionally operable to reset because of software anomaly after startup is changed into survival at it, detects the body of the RRU The heartbeat message of part identification information or the BBU；
    If can't detect the identity identification information of the RRU or the heartbeat message of the BBU, generate, preserve the RRU's This reset alarm information, and resetted；Wherein, the heartbeat message of the BBU is that the BBU is sent receiving the RRU Heartbeat message after, to the RRU send return information；
    Wherein, when the RRU sends heartbeat message and receives the heartbeat message that the BBU is replied, the RRU with it is described Interface channel between BBU, which is established, to be completed.
  12. 12. processor according to claim 11, it is characterised in that
    The algorithm task kernel, be additionally operable to when the Row control kernel is not survived, and the BBU do not receive continuously it is described When the time for the heartbeat message that RRU is sent is more than the crash time, the overall hardware of the processor of the RRU is resetted；
    The overall hardware includes micro-control unit and field programmable gate array.
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101790709A (en) * 2007-08-27 2010-07-28 马维尔国际贸易有限公司 Dynamic core switches
CN102469474A (en) * 2010-11-15 2012-05-23 中兴通讯股份有限公司 Method and device for processing abnormal information of communication equipment
CN102855214A (en) * 2011-06-27 2013-01-02 上海华为技术有限公司 Method for implementing data consistency and multi-core system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101790709A (en) * 2007-08-27 2010-07-28 马维尔国际贸易有限公司 Dynamic core switches
CN102469474A (en) * 2010-11-15 2012-05-23 中兴通讯股份有限公司 Method and device for processing abnormal information of communication equipment
CN102855214A (en) * 2011-06-27 2013-01-02 上海华为技术有限公司 Method for implementing data consistency and multi-core system

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