CN101772047B - Method and system for monitoring network quality - Google Patents
Method and system for monitoring network quality Download PDFInfo
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Abstract
The invention discloses a method and a system for monitoring network quality. The method comprises the following steps that: a radio remote unit receives a wireless monitoring point command transmitted by a baseband pool unit, sets an antenna receiving and transmitting switch to receive a TD-SCDMAC system signal within a receiving range of the radio remote unit, performs frequency conversion processing on the TD-SCDMAC system signal to acquire a first signal and transmits the first signal to the baseband pool unit; and the baseband pool unit receives the first signal, demodulates the first signal to acquire a second signal and monitors radio signal quality of the radio remote unit according to the second signal. Through the processing, the monitoring strength on an entire network can be enhanced and effective monitoring is provided for the quality management of the radio signal under distributed networking.
Description
Technical field
The present invention relates to the communications field, and especially, relate to a kind of network quality monitoring method and system.
Background technology
At present, insert (Time Division-SynchronousCode Division Multiple Access in TD SDMA, abbreviate TD-SCDMA as) in the system, the signal coding processing mode that adopts require receiving and transmitting signal strictly the time of implementation synchronous, in addition, signal all had strict requirement in frequency domain, time domain, sign indicating number territory, because TD-SCDM system having relatively high expectations to signal quality in real network is used.Therefore, provide the different voice of different scene users, data service if desired, then need the signal quality in the system is carried out strict control.
At present, to method for supervising more complicated and the function singleness of network running quality, in correlation technique, can be divided into following several to the method for supervising of network running quality:
First kind, adopt the mode of lumped modelling subscriber terminal equipment that network capacity is carried out the snowslide test monitoring; This method can only be carried out sudden test to user's access capacity, but can not directly monitor the running quality of network, and said method also exists relevant device maintenance cost height, income problem of smaller.
Second kind, adopt move mode to monitor at random.For example, adopt different modes such as vehicle-mounted, airborne in network coverage, to carry out motor-driven monitoring, this mode is the monitor network running quality preferably, but, the business big for capacity, that speed is high but can not be tested by aforesaid way, therefore, be difficult to guarantee generality, the broad perspectives of monitored results.
The third carries out business monitoring from network control layer, and this mode can be monitored network capacity and professional correctness, still, if fault, the then root of very difficult direct orientation problem.
In addition, in TD-SCDMA, can adopt multiple networking modes such as multi-antenna array, Patcho antenna collection, spaced antenna collection.Wherein, multi-antenna array, Patcho antenna collection have all increased the function that aerial signal is analyzed, and still, what spaced antenna adopted is the omnirange standard antenna, can not directly analyze the aerial signal quality, this has just caused the relatively poor problem of signal quality under the spaced antenna networking.
By foregoing description as can be seen, under the application scenarios of the distributed networking of TD-SCDMA system, the radio signal quality monitoring exists that monitoring means lack, the control and monitoring deficiency, problems such as the watch-dog durability is poor, monitoring expense costliness.Therefore, be badly in need of a kind of technical scheme that can overcome the above problems at present.
Summary of the invention
Consider in the correlation technique under the application scenarios of the distributed networking of TD-SCDMA system, the radio signal quality monitoring exists monitoring means shortage, control and monitoring deficiency, the watch-dog durability is poor, the problem of monitoring expense costliness and propose the present invention, for this reason, main purpose of the present invention is to provide a kind of improved monitoring network quality scheme, to solve the problems referred to above of existing in the correlation technique one of at least.
To achieve these goals, according to an aspect of the present invention, a kind of network quality monitoring method is provided, being used at TD-SCDMA system is under the TD-SCDMA system distributed networking environment quality of wireless network of TD-SCDMA system distributed networking to be monitored, wherein, TD-SCDMA system distributed networking comprises baseband pool unit and Remote Radio Unit.
Network quality monitoring method according to the present invention comprises: Remote Radio Unit receives the wireless monitor point instruction that baseband pool unit sends, antenna duplexer is set in the Remote Radio Unit range of receiving, receives the TD-SCDMA system signal, and the TD-SCDMA system signal carried out frequency-conversion processing, obtain first signal, first signal is sent to baseband pool unit; Baseband pool unit receives first signal, and first signal is carried out demodulation process, obtains secondary signal, and according to secondary signal monitoring Remote Radio Unit radio signal quality.
Wherein, the processing that Remote Radio Unit arranges antenna duplexer comprises: Remote Radio Unit disposes the transmitting-receiving order of modulation signal according to the instruction of wireless monitor point, and antenna is set to receive simplex mode, and closes the signal emission function of antenna.
Wherein, the Remote Radio Unit processing that in its range of receiving, receives the TD-SCDMA system signal comprise following one of at least: the TD-SCDMA system signal that in range of receiving, receives predetermined time slot; In range of receiving, receive the TD-SCDMA system signal of predetermined spectrum bandwidth; In range of receiving, receive all TD-SCDMA system signals.
Wherein, baseband pool unit carries out demodulation process to first signal and comprises: first signal is carried out buffer memory, the useful signal in first signal of buffer memory is separated with noise signal, and useful signal is carried out demodulation, expansion, deinterleaving processing.
In addition, first signal is carried out after demodulation process obtains secondary signal at baseband pool unit, said method further comprises: baseband pool unit buffer memory secondary signal, baseband pool unit carries out the modulating data sampling according to the type of service of its configuration from the secondary signal of buffer memory, and user data signal is separated with the control data-signal; Training sequence in the number of it is believed that of baseband pool unit paired domination number is resolved, and expands algorithm by the cycle and extract the information of controlling relevant cell characteristics in the data-signal; Baseband pool unit is checked carrying out authentication about the cell configuration numbering relevant with baseband pool unit of the scrambler in the information of cell characteristics, and accurately locatees the source of secondary signal according to checked result.
In addition, belong under the situation of monitoring range in the source of determining secondary signal, said method further comprises: baseband pool unit carries out buffer memory to secondary signal, and calculate first parameter according to TD-SCDMA grid quality standard, wherein, first parameter comprise following one of at least: cell capacity utilization rate, service channel power control dynamic range, service data transmission rate, dynamic channel utilization rate, closed-loop power control dynamic range; Baseband pool unit gathers first parameter, and calculate second parameter according to secondary signal, wherein, second parameter comprise following one of at least: control channel, Traffic Channel chip occupancy, chip spoilage, the Radio Link carrier error rate, the mutual rate of up-downgoing common signal channel.
Wherein, baseband pool unit comprises according to the processing of secondary signal monitoring Remote Radio Unit signal quality: baseband pool unit obtains type of service, service quality from the base station controller of residential quarter; User service type in first parameter that baseband pool unit will gather and the type of service of obtaining carries out converting with radical exponent, and the result after will converting compares, and obtains first comparing result; Baseband pool unit is enumerated crucial index differential degree according to first comparing result, and according to second parameter current area integrated operation index is carried out concrete data quantification, obtains quantized result; Baseband pool unit is assessed the 3rd parameter respectively according to quantized result, and output assessment report, wherein, the 3rd parameter comprises one of following at least: the actual total capacity in residential quarter, Zone channel utilization rate, community user message transmission rate, subscriber traffic rate, the control of residential quarter up-downgoing channel dynamically, the Radio Link error rate.
To achieve these goals, according to a further aspect in the invention, provide a kind of monitoring network quality system.
Comprise according to monitoring network quality of the present invention system: Remote Radio Unit comprises: first receiver module is used for receiving the wireless monitor point that baseband pool unit sends and instructs; First arranges module, is used for arranging antenna duplexer; Second receiver module is used for receiving the TD-SCDMA system signal in the range of receiving of Remote Radio Unit; Frequency-variable module is used for the TD-SCDMA system signal is carried out frequency-conversion processing, obtains first signal; Sending module is used for first signal is sent to baseband pool unit; Baseband pool unit comprises: receiver module is used for receiving first signal; Demodulation module is used for first signal is carried out demodulation process, obtains secondary signal; Monitoring module is used for according to secondary signal monitoring Remote Radio Unit signal quality.
In addition, first arranges module further comprises: configuration module is used for according to the instruction of wireless monitor point the transmitting-receiving order of configuration modulation signal; Handover module is used for antenna is switched to the reception simplex mode; Closing module is for the signal emission function of closing antenna.
Wherein, second receiver module comprises: second arranges module, is used for arranging the range of receiving that receiver module receives the TD-SCDMA system signal.
Wherein, demodulation module comprises: first cache module, user cache first signal; First separation module is used for the useful signal of first signal is separated with noise signal; Processing module is used for useful signal is carried out demodulation, expansion, deinterleaving processing.
Wherein, monitoring module comprises: sampling module is used for carrying out the modulating data sampling from secondary signal according to the type of service of its configuration; Second separation module is used for the user data signal of modulating data that will sampling and controls data-signal and separate; Parsing module, the training sequence that is used for the paired domination number number of it is believed that is resolved; Abstraction module is used for expanding the information that algorithm extracts the relevant cell characteristics of control data-signal by the cycle; Check module, be used for the scrambler cell configuration relevant with baseband pool unit of the information of relevant cell characteristics numbered and carry out authentication and check, and accurately locate the source of secondary signal according to checked result.Second cache module is used for secondary signal is carried out buffer memory; First computing module, be used for calculating first parameter according to TD-SCDMA grid quality standard, wherein, first parameter comprise following one of at least: cell capacity utilization rate, service channel power control dynamic range, service data transmission rate, dynamic channel utilization rate, closed-loop power control dynamic range, and first parameter gathered; Second computing module is used for calculating second parameter according to secondary signal, wherein, second parameter comprise following one of at least: control channel, Traffic Channel chip occupancy, chip spoilage, the Radio Link carrier error rate, the mutual rate of up-downgoing common signal channel.Acquisition module is used for obtaining type of service, service quality from the base station controller of residential quarter; The conversion module is used for first parameter that will gather and carries out converting with radical exponent with the user service type of the type of service of obtaining; The contrast module, the result after being used for converting compares, and obtains first comparing result; The 3rd computing module is used for enumerating crucial index differential degree according to first comparing result, and according to second parameter current area integrated operation index is carried out concrete data quantification, obtains quantized result; Evaluation module, be used for respectively the 3rd parameter being assessed according to quantized result, and output assessment report, wherein, the 3rd parameter comprises one of following at least: the actual total capacity in residential quarter, Zone channel utilization rate, community user message transmission rate, subscriber traffic rate, the control of residential quarter up-downgoing channel dynamically, the Radio Link error rate.
By means of technical scheme of the present invention one of at least, carry out quality monitoring by the network service quality to the Remote Radio Unit under any baseband pool unit, can solve in the correlation technique under the application scenarios of the distributed networking of TD-SCDMA system, the radio signal quality monitoring exists monitoring means shortage, control and monitoring deficiency, problems such as the watch-dog durability is poor, monitoring expense costliness, can strengthen the control and monitoring of whole network, can provide effective monitoring to distributed group radio signal quality management off the net.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of writing, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the distributed networking environment of the embodiment of the invention;
Fig. 2 is the block diagram according to the monitoring network quality system of the embodiment of the invention;
Fig. 3 is the flow chart according to the network quality monitoring method of the embodiment of the invention;
Fig. 4 flows to schematic diagram according to signal between the baseband pool unit of this embodiment and the Remote Radio Unit;
Fig. 5 is the flow chart that the baseband pool unit according to the embodiment of the invention receives detailed process behind the modulation signal that Remote Radio Unit sends.
Embodiment
Functional overview
As mentioned above, at present, under the application scenarios of the distributed networking of TD-SCDMA system, the radio signal quality monitoring exists monitoring means to lack, the control and monitoring deficiency, the watch-dog durability is poor, problems such as monitoring expense costliness, for this reason, the invention provides a kind of improved monitoring network quality scheme, in technical scheme of the present invention, utilize any one Remote Radio Unit (Radio Remote Unit in the existing environment, abbreviate RRU as) as the control point, to carrying out unified quality of wireless network monitoring in its scope that can accept to cover, can be to volume of business, signal quality, air transfer rate is carried out composite measurement, thereby provides in real time reference data effectively for network management.
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in restriction the present invention.
In the following description, for the purpose of explaining, a plurality of specific details have been described, to provide thorough understanding of the present invention.Yet, obviously, do not having can to realize the present invention under the situation of these specific detail yet, in addition, under the situation that does not deviate from the spirit and scope that claims illustrate, among following embodiment and the embodiment each details can be carried out various combinations.
System embodiment
Before embodiments of the invention were described, at first the application scenarios to the embodiment of the invention described.The embodiment of the invention can be applied to have the city of spaced antenna, outdoor, foundation benefit territory, blind area distributed network environment.
Fig. 1 is the schematic diagram according to the distributed networking environment of the embodiment of the invention, as shown in Figure 1, in whole TD-SCDMA system, existing distributed networking environment is made up of baseband pool unit (BBU) and Remote Radio Unit (Radio Remote Unit abbreviates RRU as).BBU and RRU are directly by optical fiber or trunk link.Wherein, BBU mainly realizes functions such as carrier frequency resource distributes, Radio Link is set up, Radio Link control, uplink and downlink signals modulation encoding and decoding, the IQ modulation signal frequency conversion that RRU mainly will send from BBU is the TD-SCDMA aerial signal, and by power amplifier unit the TD-SCDMA aerial signal is sent; In addition, RRU is also for detection of receiving subscriber signal, and handles for the IQ modulation signal sends to BBU via frequency down-converts.
Based on above-mentioned application scenarios, will describe technical scheme of the present invention below.
According to embodiments of the invention, a kind of monitoring network quality system is provided, Fig. 2 is the block diagram according to the monitoring network quality system of the embodiment of the invention, as shown in Figure 2, monitoring network quality system according to the embodiment of the invention comprises Remote Radio Unit (RRU) 1 and baseband pool unit (BBU) 2, wherein, RRU 1 comprises: first receiver module 10, first arranges module 12, second receiver module 14, frequency-variable module 16, sending module 18; BBU2 comprises: receiver module 20, demodulation module 22, monitoring module 24.Below, above-mentioned each module is described.
Monitoring network quality system according to the embodiment of the invention comprises: RRU 1, and its major function is the TD-SCDMA aerial signal for the IQ modulation signal frequency conversion that will send from BBU 2, and by power amplifier unit the TD-SCDMA aerial signal is sent; In addition, RRU 1 is also for detection of receiving subscriber signal, and handles for the IQ modulation signal sends to BBU 2 via frequency down-converts.
Particularly, RRU 1 comprises that after first receiver module 10 received the instruction of wireless monitor point, first among the RRU 1 arranged module 12 and will arrange antenna duplexer for first receiver module 10 of the wireless monitor point instruction that receives BBU 2 transmissions; Wherein, first arrange in the module 12 and can also comprise: be used for according to the configuration module of the transmitting-receiving order of wireless monitor point instruction configuration modulation signal, for the closing module that antenna is switched to the handover module that receives simplex mode and be used for closing the signal emission function of antenna.
First module 12 is set will arranges antenna duplexer after, second receiver module 14 among the RRU 1 receives the TD-SCDMA system signal in its range of receiving; Preferably, can also comprise in second receiver module 14 that second arranges module, be used for arranging the range of receiving that receiver module receives the TD-SCDMA system signal.For example, receiver module receives the TD-SCDMA system signal of predetermined time slot in range of receiving, perhaps, receives the TD-SCDMA system signal of predetermined spectrum bandwidth in range of receiving, perhaps, receives all TD-SCDMA system signals in range of receiving.
Second receiver module 14 received the TD-SCDMA system signal in its range of receiving after, the frequency-variable module 16 among the RRU 1 just can carry out frequency-conversion processing to the TD-SCDMA system signal, obtains first signal; After obtaining first signal, the sending module 18 among the RRU 1 just can send to BBU 2 with first signal.
BBU 2, it mainly realizes functions such as carrier frequency resource distributes, Radio Link is set up, Radio Link control, uplink and downlink signals modulation encoding and decoding, particularly, BBU 2 comprises for the receiver module 20 that receives first signal, and the demodulation module 22 that is used for first signal is carried out demodulation process, particularly, demodulation module 22 can comprise: first cache module is used for buffer memory first signal; First separation module is used for the useful signal of first signal is separated with noise signal; Processing module is used for useful signal is carried out demodulation, expansion, deinterleaving processing.After processing module is handled, just can obtain secondary signal; After obtaining secondary signal, the monitoring module 24 among the BBU 2 just can be monitored the Remote Radio Unit signal quality according to secondary signal.
Particularly, monitoring module 24 can also comprise: sampling module is used for carrying out the modulating data sampling from secondary signal according to the type of service of its configuration; Second separation module is used for the user data signal of modulating data that will sampling and controls data-signal and separate; Parsing module, the training sequence that is used for the paired domination number number of it is believed that is resolved; Abstraction module is used for expanding the information that algorithm extracts the relevant cell characteristics of control data-signal by the cycle; Check module, be used for the scrambler cell configuration relevant with baseband pool unit of the information of relevant cell characteristics numbered and carry out authentication and check, and accurately locate the source of secondary signal according to checked result.
In addition, monitoring module 24 also comprises: second cache module is used for secondary signal is carried out buffer memory; First computing module, be used for calculating first parameter according to TD-SCDMA grid quality standard, wherein, first parameter comprise following one of at least: cell capacity utilization rate, service channel power control dynamic range, service data transmission rate, dynamic channel utilization rate, closed-loop power control dynamic range, and first parameter gathered; Second computing module is used for calculating second parameter according to secondary signal, wherein, second parameter comprise following one of at least: control channel, Traffic Channel chip occupancy, chip spoilage, the Radio Link carrier error rate, the mutual rate of up-downgoing common signal channel.
In addition, monitoring module 24 also comprises: acquisition module is used for obtaining type of service, service quality from the base station controller of residential quarter; The conversion module is used for first parameter that will gather and carries out converting with radical exponent with the user service type of the type of service of obtaining; The contrast module, the result after being used for converting compares, and obtains first comparing result; The 3rd computing module is used for enumerating crucial index differential degree according to first comparing result, and according to second parameter current area integrated operation index is carried out concrete data quantification, obtains quantized result; Evaluation module, be used for respectively the 3rd parameter being assessed according to quantized result, and output assessment report, wherein, the 3rd parameter comprises one of following at least: the actual total capacity in residential quarter, Zone channel utilization rate, community user message transmission rate, subscriber traffic rate, the control of residential quarter up-downgoing channel dynamically, the Radio Link error rate.
Pass through technique scheme, do not changing original networking and do not increasing under any auxiliary watch-dog situation, RRU network service quality under the BBU in the TD-SCDMA system distributed networking is carried out quality monitoring, strengthened whole network monitoring dynamics, and saved big traffic monitoring device expense, provide real-time and effective data foundation to network quality simultaneously.
Method embodiment
According to embodiments of the invention, a kind of network quality monitoring method is provided, be used under TD-SCDMA system distributed networking environment, the network quality of TD-SCDMA system distributed networking being monitored, wherein, TD-SCDMA system distributed networking environment has been described in detail in said apparatus embodiment, is not giving unnecessary details at this.
Fig. 3 is the flow chart according to the network quality monitoring method of the embodiment of the invention, as shown in Figure 3, comprises following processing (step S302-step S304):
Step S302, because it is two-way that BBU and RRU signal flow to, as shown in Figure 4, BBU can dispose one or more RRU arbitrarily as the control point (namely, BBU can carry out the control point configuration to any one or a plurality of RRU under it), and to issuing that control point RRU carries out that wireless monitor point instructs.RRU is set to receive simplex mode according to configuration up-downgoing transmitting-receiving switching, and the shutdown signal emission function, and control point RRU receives the TD-SCDMA system signal in its coverage, and signal is carried out filtration treatment.
Particularly, RRU receives the wireless monitor point instruction that BBU sends, after receiving above-mentioned instruction, RRU just can arrange antenna duplexer, RRU at first needs to dispose the transmitting-receiving order of modulation signal, subsequently, antenna is set to receive simplex mode, closes the signal emission function of antenna at last.After antenna duplexer is arranged, RRU just can receive the TD-SCDMA system signal in its range of receiving, for example, RRU can receive the TD-SCDMA system signal of predetermined time slot in range of receiving, also in range of receiving, receive the TD-SCDMA system signal of predetermined spectrum bandwidth, can also in range of receiving, receive all TD-SCDMA system signals.After receiving the TD-SCDMA system signal, RRU just can carry out frequency-conversion processing to the TD-SCDMA system signal, and obtains first signal, and last, first signal that RRU will obtain sends to BBU.
Step S404, BBU receive first signal, and first signal is carried out demodulation process, and particularly, BBU at first separates the useful signal in first signal with noise signal, and be last, and useful signal is carried out demodulation, expansion, deinterleaving processing.Through after the above-mentioned processing, will obtain secondary signal at BBU, BBU will carry out a series of processing according to secondary signal after obtaining secondary signal, to monitoring Remote Radio Unit signal quality.
That is to say, BBU at first carries out demodulation to the modulation signal that RRU sends, and carry out the signal quality analysis, wherein, to analyzing separately according to the special training sequence in the TD-SCDMA signal after the signal demodulation, and carry out network quality assessment, output monitoring result according to type of service and the service quality of base station controller (RNC) configuration.
Particularly, BBU at first extracts the training sequence in the secondary signal, and locatees the residential quarter of needs monitoring according to training sequence.Afterwards, BBU obtains relevant informations such as type of service, service quality from the base station controller of residential quarter; Customer service time slot (Slot) in the secondary signal of BBU carries out the sampling of data computing then, and obtains operation result; At last, BBU compares type of service, service quality and the operation result that obtains, and according to comparative result the service quality of network is carried out the network quality assessment, and exports last monitored results.
Below in conjunction with example, BBU to the embodiment of the invention issues the instruction of wireless monitor point to RRU, according to this instruction configuration effort mode, and after sending modulation signal to BBU, BBU receives the modulation signal that RRU sends and the processing of carrying out quality evaluation describes at RRU.Fig. 5 is the flow chart according to the detailed process of the network quality monitoring method of the embodiment of the invention, as shown in Figure 5, comprises following processing:
Step S501, RRU receives the monitoring configuration-direct that BBU sends, and receives and dispatches the control configuration.Particularly, RRU for receiving full simplex mode, turn-offs descending sending function with original up-downgoing time-division transmitting-receiving handover configurations; And according to the monitoring configuration mode, the configuration signal reception mode, for example, can receive all TD-SCDMA system signals in the RRU range of receiving, also can receive signal in the fixed-bandwidth in the TD-SCDMA system by radio frequency, intermediate frequency filtering function, also can receive a certain special time slot signal of TD-SCDMA system signal by the control of time slot switch.RRU will receive the TD-SCDMA system signal and be modulation IQ signal by frequency down-converts, and send this modulation IQ signal to BBU, and BBU carries out buffer memory to modulation IQ signal, for the processing among the step S502 provides the initial data source.BBU can monitor configuration to one or more RRU under its management in this step.
Step S502, the modulation IQ signal of the buffer memory of BBU carries out demodulation, despreading, deinterleaving operation respectively, obtains corresponding baseband signal (above-mentioned secondary signal) at last, and BBU can handle a plurality of data sources simultaneously in this step; And obtain a plurality of baseband signals after treatment; In addition, BBU also needs to carry out the operation of noise, contaminant filter according to TD-SCDMA system signal standard.
Step S503, the signal of BBU source is judged, whether confirms current baseband signal from the control point, if signal from non-control point RRU, then BBU carries out regular traffic to this signal and handles, and proceeds to step S504; If signal from control point RRU, then carries out the network quality evaluation process to this signal, proceed to step S505.
Step S504, BBU handles accordingly to normal TD-SCDMA signal, need not to carry out special processing.
Step S505, BBU carries out following processing to the signal that needs the network quality assessment: carry out the modulating data sampling according to the type of service of BBU configuration from baseband signal (secondary signal), user data signal is separated with the control data-signal.Training sequence (Midamble) in the TD-SCDMA signal in the paired domination number number of it is believed that is resolved, and expands the information of relevant cell characteristics in the algorithm extraction signal by the cycle.And carry out key power according to the relevant cell configuration numbering with BBU of scrambler in the cell characteristics information and check, accurately locate the baseband signal source.As locate current baseband signal and belong in the monitoring range, user uplink base-band data signal in the TD-SCDMA signal is carried out the data buffer memory, and with reference to the TD-SCDMA grid quality standard index of correlation such as calculation plot capacity utilization, service channel power control dynamic range, service data transmission rate, dynamic channel utilization rate, closed-loop power control dynamic range respectively, and the index of correlation of calculating gathered.As in the base band signal process process a plurality of control points under the same residential quarter being handled simultaneously, need gather calculating with averaging to the index of correlation.Simultaneously control channel, Traffic Channel chip occupancy, chip spoilage, Radio Link carrier (RB) error rate, the mutual rate of up-downgoing common signal channel in the baseband signal are calculated.
Step S506 checks comparison according to this cell configuration type, service quality among the RNC.Particularly, step S505 being calculated in indexes such as the cell capacity gather, traffic channel assignments, service data transmission rate and the RNC configuration service type user service type (for example, data rate, conversation blockage percentage, channel switch coverage rate etc.) carries out with the radical exponent conversion and directly contrasts.Enumerate crucial index differential degree according to relativity, and the chip occupancy that calculates among the refer step S505, chip spoilage, Radio Link carrier (RB) error rate are carried out concrete data to current area integrated operation index and are quantized.According to quantized result respectively to the actual total capacity in residential quarter, Zone channel utilization rate, community user message transmission rate, subscriber traffic rate, the control of residential quarter up-downgoing channel dynamically, the Radio Link error rate assesses, and output assessment report.
In sum, by means of technical scheme of the present invention, by the RRU network service quality under any BBU is carried out quality monitoring, solved in the correlation technique under the application scenarios of the distributed networking of TD-SCDMA system, the radio signal quality monitoring exists monitoring means shortage, control and monitoring deficiency, problems such as the watch-dog durability is poor, monitoring expense costliness can strengthen the control and monitoring of whole network, and radio signal quality management off the net provides effective monitoring to distributed group; In addition, by with RRU as distributed networking lower network quality monitoring point, can effectively monitor, the diagnostic network running quality, and be that network O﹠M saves a large amount of auxiliary watch-dog expenses, the technical solution of the present invention networking flexibility is applicable to each application scenarios in the TD-SCDMA distributed networking.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. network quality monitoring method, being used at TD-SCDMA system is under the TD-SCDMA system distributed networking environment quality of wireless network of TD-SCDMA system distributed networking to be monitored, wherein, described TD-SCDMA system distributed networking comprises baseband pool unit and Remote Radio Unit, it is characterized in that described method comprises:
Described Remote Radio Unit receives the wireless monitor point instruction that described baseband pool unit sends, antenna duplexer is set in described Remote Radio Unit range of receiving, receives the TD-SCDMA system signal, and described TD-SCDMA system signal carried out frequency-conversion processing, obtain first signal, described first signal is sent to described baseband pool unit, wherein, described Remote Radio Unit is as the control point;
Described baseband pool unit receives described first signal, and described first signal is carried out demodulation process, obtains secondary signal, and monitors described Remote Radio Unit radio signal quality according to described secondary signal.
2. method according to claim 1 is characterized in that, the processing that described Remote Radio Unit arranges antenna duplexer comprises:
Described Remote Radio Unit instructs according to described wireless monitor point, the transmitting-receiving order of configuration modulation signal, and described antenna is set to receive simplex mode, and closes the signal emission function of described antenna.
3. method according to claim 1 is characterized in that, described Remote Radio Unit receives the TD-SCDMA system signal in its range of receiving processing comprise following one of at least:
In described range of receiving, receive the TD-SCDMA system signal of predetermined time slot;
In described range of receiving, receive the TD-SCDMA system signal of predetermined spectrum bandwidth;
In described range of receiving, receive all TD-SCDMA system signals.
4. method according to claim 1 is characterized in that, described baseband pool unit carries out demodulation process to described first signal and comprises:
Described first signal is carried out buffer memory, the useful signal in described first signal of buffer memory is separated with noise signal, and described useful signal is carried out demodulation, expansion, deinterleaving processing.
5. method according to claim 1 is characterized in that, described first signal is carried out after demodulation process obtains described secondary signal at described baseband pool unit, and described method further comprises:
Described baseband pool unit buffer memory secondary signal, and from the described secondary signal of buffer memory, carry out the modulating data sampling according to the type of service of its configuration, and user data signal is separated with the control data-signal;
Described baseband pool unit is resolved the training sequence in the described control data-signal, and extracts the information of relevant cell characteristics in the described control data-signal by cycle expansion algorithm;
Described baseband pool unit carries out authentication about the cell configuration relevant with described baseband pool unit of the scrambler in the information of cell characteristics numbering and checks described, and according to the accurate source of the described secondary signal in location of checked result.
6. method according to claim 5 is characterized in that, belongs under the situation of monitoring range in the source of determining described secondary signal, and described method further comprises:
Described baseband pool unit carries out buffer memory to described secondary signal, and calculate first parameter according to TD-SCDMA grid quality standard, wherein, described first parameter comprise following one of at least: cell capacity utilization rate, service channel power control dynamic range, service data transmission rate, dynamic channel utilization rate, closed-loop power control dynamic range;
Described baseband pool unit gathers described first parameter, and calculate second parameter according to described secondary signal, wherein, described second parameter comprise following one of at least: control channel, Traffic Channel chip occupancy, chip spoilage, the Radio Link carrier error rate, the mutual rate of up-downgoing common signal channel.
7. method according to claim 6 is characterized in that, the processing that described baseband pool unit is monitored described Remote Radio Unit signal quality according to described secondary signal comprises:
Described baseband pool unit obtains type of service, service quality from the base station controller of described residential quarter;
User service type in described first parameter that described baseband pool unit will gather and the described type of service of obtaining carries out converting with radical exponent, and the result after will converting compares, and obtains first comparing result;
Described baseband pool unit is enumerated crucial index differential degree according to described first comparing result, and according to described second parameter current area integrated operation index is carried out concrete data quantification, obtains quantized result;
Described baseband pool unit is assessed the 3rd parameter respectively according to described quantized result, and output assessment report, wherein, described the 3rd parameter comprises one of following at least: the actual total capacity in residential quarter, Zone channel utilization rate, community user message transmission rate, subscriber traffic rate, the control of residential quarter up-downgoing channel dynamically, the Radio Link error rate.
8. a monitoring network quality system is characterized in that, comprising:
Remote Radio Unit comprises:
First receiver module is used for receiving the wireless monitor point instruction that baseband pool unit sends;
First arranges module, is used for arranging antenna duplexer;
Second receiver module is used for receiving the TD-SCDMA system signal in the range of receiving of described Remote Radio Unit;
Frequency-variable module is used for described TD-SCDMA system signal is carried out frequency-conversion processing, obtains first signal;
Sending module is used for described first signal is sent to described baseband pool unit;
Described baseband pool unit comprises:
The 3rd receiver module is used for receiving described first signal;
Demodulation module is used for described first signal is carried out demodulation process, obtains secondary signal;
Monitoring module is used for monitoring described Remote Radio Unit signal quality according to described secondary signal;
Wherein, described Remote Radio Unit is as the control point.
9. system according to claim 8 is characterized in that, described first arranges module further comprises:
Configuration module is used for according to described wireless monitor point instruction the transmitting-receiving order of configuration modulation signal;
Handover module is used for described antenna is switched to the reception simplex mode;
Closing module is for the signal emission function of closing described antenna.
10. system according to claim 8 is characterized in that, described second receiver module comprises:
Second arranges module, is used for arranging the range of receiving that described receiver module receives the TD-SCDMA system signal.
11. system according to claim 8 is characterized in that, described demodulation module comprises:
First cache module, described first signal of user cache;
First separation module is used for the useful signal of described first signal is separated with noise signal;
Processing module is used for described useful signal is carried out demodulation, expansion, deinterleaving processing.
12. system according to claim 8 is characterized in that, described monitoring module comprises:
Sampling module is used for carrying out the modulating data sampling from described secondary signal according to the type of service of its configuration;
Second separation module is used for the user data signal of modulating data that will sampling and controls data-signal and separate;
Parsing module is used for the training sequence of described control data-signal is resolved;
Abstraction module is used for expanding the information that algorithm extracts the relevant cell characteristics of described control data-signal by the cycle;
Check module, the scrambler cell configuration relevant with described baseband pool unit that is used for information that will described relevant cell characteristics numbered and carried out authentication and check, and according to the accurate source of locating described secondary signal of checked result;
Second cache module is used for described secondary signal is carried out buffer memory;
First computing module, be used for calculating first parameter according to TD-SCDMA grid quality standard, wherein, described first parameter comprise following one of at least: cell capacity utilization rate, service channel power control dynamic range, service data transmission rate, dynamic channel utilization rate, closed-loop power control dynamic range, and described first parameter gathered;
Second computing module, be used for calculating second parameter according to described secondary signal, wherein, described second parameter comprise following one of at least: control channel, Traffic Channel chip occupancy, chip spoilage, the Radio Link carrier error rate, the mutual rate of up-downgoing common signal channel;
Acquisition module is used for obtaining type of service, service quality from the base station controller of described residential quarter;
The conversion module is used for described first parameter that will gather and carries out converting with radical exponent with the user service type of the described type of service of obtaining;
The contrast module, the result after being used for converting compares, and obtains first comparing result;
The 3rd computing module is used for enumerating crucial index differential degree according to described first comparing result, and according to described second parameter current area integrated operation index is carried out concrete data quantification, obtains quantized result;
Evaluation module, be used for respectively the 3rd parameter being assessed according to described quantized result, and output assessment report, wherein, described the 3rd parameter comprises one of following at least: the actual total capacity in residential quarter, Zone channel utilization rate, community user message transmission rate, subscriber traffic rate, the control of residential quarter up-downgoing channel dynamically, the Radio Link error rate.
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| CN102185809B (en) * | 2011-05-06 | 2015-02-11 | 京信通信系统（中国）有限公司 | Remote radio frequency system |
| CN103379532B (en) * | 2012-04-12 | 2016-03-02 | 华为技术有限公司 | The detection method of the signal quality of radio frequency unit of base station and device |
| EP2670210B1 (en) * | 2012-06-01 | 2014-09-17 | Ntt Docomo, Inc. | System for implementing a radio over fiber transmission in a passive optical network |
| CN103841666B (en) | 2012-11-21 | 2018-09-07 | 华为技术有限公司 | The method of base station and its signal return, equipment |
| CN103973396B (en) * | 2013-01-29 | 2019-09-13 | 南京中兴新软件有限责任公司 | Transmit the method, apparatus and radio frequency remoto module RRU of radio base band data |
| CN103973346B (en) * | 2014-05-23 | 2017-03-15 | 大连海事大学 | A kind of spaced antenna control system |
| CN105743720B (en) * | 2014-12-08 | 2018-12-07 | 中国移动通信集团设计院有限公司 | A kind of link-quality-evaluating method and its device |
| CN104735689A (en) * | 2015-04-09 | 2015-06-24 | 广西师范大学 | Mobile communication network air interface monitoring system |
| CN108353336A (en) * | 2015-11-11 | 2018-07-31 | 华为技术有限公司 | The method and apparatus of data transmission |
| CN112583487B (en) * | 2019-09-27 | 2022-05-20 | 大唐移动通信设备有限公司 | Data transmission method applied to cross-over connection system |
| CN112822569B (en) * | 2019-11-15 | 2023-08-15 | 中国移动通信有限公司研究院 | Monitoring processing method and equipment |
| CN114448528B (en) * | 2021-12-31 | 2023-06-20 | 华为技术有限公司 | Method and device for determining fault cause |
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