CN102740379B - The optimization method of service quality and system, network side element - Google Patents
The optimization method of service quality and system, network side element Download PDFInfo
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- 238000005259 measurement Methods 0.000 claims abstract description 263
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Abstract
The invention discloses optimization method and system, the network side element of a kind of service quality, the optimization method of this service quality comprises the following steps: network side element issues PDCP layer measuring control information to terminal；Network side element receives the measurement result information reported after the packet of PDCP layer is measured by terminal according to PDCP layer measuring control information, and is optimized the QoS of network according to this measurement result information.By invention increases the QoS mass of system, improve Consumer's Experience.
Description
Technical field
The present invention relates to the communications field, particularly relate to optimization method and system, the network side element of a kind of service quality.
Background technology
Service quality (Quality of Service, referred to as QoS) is a kind of security mechanism of network, is used to solve
A kind of technology of the problem such as network delay and obstruction.For Network, service quality include transmission bandwidth, transmission time
Prolong, the packet loss etc. of data.In a network can by bandwidth that guarantee is transmitted, reduce transmit time delay, reduce losing of data
The measures such as bag rate and delay variation are improved service quality.Internet resources are the most limited, simply by the presence of grabbing Internet resources
Situation, arise that the requirement of service quality.For service quality is Relative Network business, at the clothes ensureing certain class business
While business quality, may be exactly in the service quality damaging other business.Such as, in the case of network total bandwidth is fixing,
If the bandwidth that certain class business takies is the most, then the bandwidth that other business can use is the fewest, so takies the industry of many bandwidth
Business is it is possible to the use of other business can be affected.Therefore, network manager needs to provide network according to the feature of miscellaneous service
Source is reasonably planned and distributes, so that Internet resources are efficiently utilized.
In the grouping system (Evolved Packet System, referred to as EPS) of evolution, the basic granularity that QoS controls
It is carrying (Bearer), i.e. all data traffics in same bearer ensure obtaining identical QoS, different types of carrying
The QoS providing different ensures.Carrying level qos parameter includes that (QoS Class Identifier is referred to as QoS class identifier
QCI), distribute and keep priority (Allocation and Retention Priority, referred to as ARP), guaranteed rate
(Guaranteed Bit Rate, referred to as GBR), maximum bit rate (Maximum Bit Rate, referred to as MBR) and/or
Aggregate Maximum Bit Rate (Aggregate Maximum Bit Rate, referred to as AMBR).At wireless access network (Radio
Access Network, referred to as RAN) side, a corresponding EPS of radio bearer (Radio Bearer, referred to as RB) holds
Carry.
In user face, corresponding PDCP (the Packet Data Convergence of each RB
Protocol, referred to as PDCP) layer entity, wireless spread-spectrum technology (Radio Link Control, referred to as RLC) be real
Body, and be scheduling by media interviews control (Medium Access Control, referred to as MAC) layer, the difference in user face
Entity ensures the data transmission of RB jointly, thus ensures the QoS demand of user.Wherein, the specific service that PDCP sublayer provides
May include that and carry out head compression and decompression；User plane data and the encryption/deciphering of control panel data；PDCP sequence is provided
Row number, for radio bearer etc..The function of rlc sublayer support includes: transmit rlc protocol data cell (Protocol Data
Unit, referred to as PDU)；Segmentation, combine and RLC service data unit of recombinating (Service Data Unit, referred to as SDU)
Deng.Some major functions that media access control sublayer provides include: the mapping between logic channel and transmission channel；Through mixing weight automatically
Pass request (Hybrid Automatic Repeat Request, referred to as HARQ)；Subscriber equipment (User Equipment,
Referred to as UE) logic channel between carry out priority processing；Priority processing is carried out by dynamic dispatching between UE；Transmission
Form selects；Priority of logical channels manages.Additionally, the Radio Resource pipes such as the call access control of wireless side, mobility, dispatching algorithm
Reason (Radio Resource Management, referred to as RRM) strategy is also used for ensureing the QoS demand of user.
But, in the related, the qos parameter configured due to network side and algorithm mate with the demand of business and do not conform to
Suitable, often there is meeting the problem of the QoS demand of user, for this problem, the most not yet propose effective solution party
Case.
Summary of the invention
Present invention is primarily targeted at the prioritization scheme that a kind of service quality is provided, at least to solve above-mentioned correlation technique
In cause, owing to the qos parameter of network side configuration and algorithm mate improper with the demand of business, QoS that user cannot be met
The problem of demand.
To achieve these goals, according to an aspect of the invention, it is provided the optimization method of a kind of service quality.
The optimization method of the service quality QoS according to the present invention, comprises the following steps: network side element issues to terminal
PDCP layer measuring control information；Network side element receives terminal according to the PDCP layer measuring control information packet to PDCP layer
The measurement result information reported after measuring, and according to this measurement result information, the QoS of network is optimized.
Further, network side element issues PDCP layer by chain of command the first specific messages to terminal and measures control letter
Breath；Terminal passes through chain of command the second specific messages report measurement results information.
Further, before network side element receives the measurement result information of terminal to report, the method also includes: terminal
Determining measurement mechanism according to PDCP layer measuring control information, wherein, measurement mechanism includes one below: periodically reporting measurement is tied
Really information, event triggers the reporting of measurement result information, terminal carries out DPCP layer measurement and reporting of measurement result information is
Event triggers；The packet of PDCP layer, according to the measurement mechanism determined, is measured by terminal, and enters measurement result information
Row reports.
Further, measurement result information is reported and includes by terminal: terminal sends terminal to network side element survey
Amount object information needs the instruction reported, and when network side element requesting terminal report measurement results information, terminal is to network side
Reported by network elements measurement result information；Or, cannot determine that report measurement results is believed in terminal from PDCP layer measuring control information
In the case of the mode of breath, when terminal is decided in its sole discretion to network side element report measurement results information.
Further, PDCP layer measuring control information includes at least one: target measurement amount, the target mistake of measurement
Journey, measurement reporting information, measurement trigger message.
Further, target measurement amount includes performance indications and/or the mark of the business of measurement of PDCP bag, wherein, PDCP
The performance indications of bag include at least one: handling capacity, packet loss, packet delay；Measurement business is uplink service, and it identifies bag
Include at least one: the grouping system EPS of evolution carries mark, radio bearer identification, QoS class identifier.
Further, before network side element receives the measurement result information of terminal to report, the terminal number to PDCP layer
When measuring according to bag, the metering system of packet delay is: the PDCP layer of the packet incoming terminal of terminal record PDCP layer time
Between t1 and network side element receive this packet after the time t2 of confirmation message that returns to terminal；Terminal is deducted by t2
T1, draws packet delay.
Further, process status residing for terminal when the object procedure of measurement is to measure, including at least with purgation
One: handoff procedure, radio resource control RRC re-establish process, regular traffic process.
Further, cycle or the triggering terminal reporting measurement knot that reporting information is terminal to report measurement result information is measured
The really event of information, wherein, this event includes at least one: measure after starting through the scheduled time, the depositing of measurement result
Storage space is less than predetermined threshold more than the electricity of predetermined threshold, terminal, measures service ending.
Further, measure trigger message be the trigger condition that terminal carries out PDCP measurement, wherein, trigger condition include to
Few one below: radio signal quality is less than predetermined threshold, terminal is in presumptive area, the satisfaction of user is wanted less than predetermined
Ask.
Further, network side element issues PDCP layer measuring control information to terminal and includes: network side element is to PDCP
Layer measuring control information is modified, and amended PDCP layer measuring control information is handed down to terminal；Or, network side net
Unit carries instruction terminal in PDCP layer measuring control information and terminates measuring the mark of target measurement amount.
Further, measurement result information includes at least one: PCDP measurement result, radio signal quality and survey
Amount QoS of survice parameter information corresponding for PDCP, the temporal information of measurement, the positional information of terminal, the mobility status of terminal,
Process status residing when terminal measures.
Further, the QoS of network is optimized according to PDCP measurement result and includes by network side element: network side element
According to PDCP measurement result, configuration parameter and/or the wireless resource management algorithm of network are optimized, wherein, the configuration of network
What parameter included PDCP packet abandons the time.
To achieve these goals, according to a further aspect in the invention, a kind of network side element is additionally provided.
The network according to the invention side network element, including: issue module, for issuing packet data convergence protocol to terminal
PDCP layer measuring control information；Receiver module, for receiving terminal according to the PDCP layer measuring control information packet to PDCP
The measurement result information reported after measuring；And service quality QoS optimizes module, it is used for according to measurement result information net
The QoS of network is optimized.
Further, in Long Term Evolution LTE system, above-mentioned network side element is evolved base station eNB；At General Mobile
In communication system UMTS, above-mentioned network side element is radio network controller (RNC).
To achieve these goals, in accordance with a further aspect of the present invention, the optimization system of a kind of service quality is additionally provided.
The optimization system of the service quality QoS according to the present invention, including terminal and above-mentioned network side element, wherein, terminal
Including: measurement module, for the packet of PDCP being surveyed according to the PDCP layer measuring control information from network side element
Amount；And reporting module, it is used for after measurement module measures to network side element report measurement results information.
By the present invention, use network side element to carry out the mode of QoS optimization according to the measurement data of terminal PDCP layer, solve
In correlation technique of having determined, qos parameter and algorithm due to network side configuration mate improper with the demand of business and cause and cannot expire
The problem of the QoS demand of foot user, adds the QoS mass of system, improves Consumer's Experience.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the optimization method of service quality according to embodiments of the present invention；
Fig. 2 is the structured flowchart of network side element according to embodiments of the present invention；
Fig. 3 is the structured flowchart of the optimization system of service quality according to embodiments of the present invention；
Fig. 4 be according to embodiments of the present invention one periodicity report the schematic flow sheet of PDCP measurement result；
Fig. 5 is the schematic flow sheet of the reporting events PDCP measurement result of according to embodiments of the present invention two；
Fig. 6 is the flow process signal that event triggering is measured and event triggering measurement result reports of according to embodiments of the present invention three
Figure.
Detailed description of the invention
Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the embodiment in the application and the feature in embodiment can be mutually combined.
According to embodiments of the present invention, it is provided that the optimization method of a kind of service quality.Fig. 1 is according to embodiments of the present invention
The flow chart of the optimization method of service quality, as it is shown in figure 1, the method comprises the following steps:
Step S102, network side element issues PDCP layer measuring control information to terminal；
Step S104, network side element receives terminal and enters the packet of PDCP layer according to PDCP layer measuring control information
The measurement result information that row reports after measuring, and according to measurement result information, the QoS of network is optimized.
By above-mentioned steps, network side element is used to issue PDCP layer measuring control information to terminal, and according in terminal
The measurement data of the PDCP layer of report carries out the mode of QoS optimization, solves in correlation technique due to the qos parameter of network side configuration
Mate improper with algorithm with the demand of business and cause the problem of the QoS demand that cannot meet user, add the QoS of system
Quality, improves Consumer's Experience.
Such as, network side element issues PDCP layer measurement control order, and after terminal carries out PDCP measurement, reporting measurement is tied
Really, the QoS of network is optimized by network side element according to the measurement result reported.
Preferably, network side element can issue PDCP layer by chain of command the first specific messages to terminal and measure control letter
Breath；Terminal can pass through chain of command the second specific messages report measurement results information.
Such as, in implementation process, the first specific messages can be wireless resource control connection reconfiguration
(RRCConnectionReconfiguration) message, the second specific messages can be measurement report
(MeasurementReport) message.
Such as, network side element can pass through wireless heterogeneous networks (Radio Resource Control, referred to as RRC)
The mode of signaling issues PDCP layer measuring control information to terminal；Terminal can also be to network side net by the way of RRC signaling
Unit's report measurement results information.
Preferably, before step S104, terminal can determine measurement mechanism according to PDCP layer measuring control information, its
In, measurement mechanism includes one below: periodically report measurement results information, event triggers reporting, eventually of measurement result information
End carries out the event that is that reports of DPCP layer measurement and measurement result information to be triggered；Terminal is according to the measurement mechanism determined, right
The packet of PDCP layer measures, and reports measurement result information.Such as, the mechanism that terminal measures PDCP layer can
To use periodically report measurement results, event mode report measurement results, event to trigger and measure and event triggering reporting measurement
The modes such as result.
In implementation process, if not having the DPCP layer measurement of clear and definite terminal in PDCP layer measuring control information is that event triggers
, then after terminal receives this PDCP layer measuring control information, just carry out immediately the packet of PDCP layer is measured.
Preferably, measurement result information is reported and includes by terminal: terminal sends terminal to network side element measurement
Object information needs the instruction reported, and when network side element requesting terminal report measurement results information, terminal is to network side net
Unit's report measurement results information；Or, report measurement results information cannot be determined in terminal from PDCP layer measuring control information
Mode in the case of, when terminal is decided in its sole discretion to network side element report measurement results information.
Preferably, in step s 102, PDCP layer measuring control information can include at least one: target measurement
Amount, the object procedure measured, measurement reporting information, measurement trigger message.
Such as, terminal can be according in the measurement in the PDCP layer measuring control information from network side element received
Notify breath and measure trigger message, determine the mode that PDCP layer is measured and reported.
Preferably, target measurement amount can include PDCP bag performance indications and/or measure business mark, wherein,
The performance indications of PDCP bag include at least one: handling capacity, packet loss, packet delay；Here measurement business refers to up
Business, its mark includes at least one: EPS carries mark, radio bearer identification, QoS class identifier.
Preferably, before step S104, when the packet of PDCP layer is measured by terminal, the metering system of packet delay
Can be: first that time t1 and the network side element of the PDCP layer of the packet incoming terminal of terminal record PDCP layer receive
The time t2 of the confirmation message returned to terminal after this packet；Then, terminal deducts t1 by t2, it can be deduced that packet delay.
Such as, in Long Term Evolution (Long Term Evolution, referred to as LTE) system, the measurement of PDCP packet delay
Mode is: it is true that the time of advent of terminal record PDCP bag and evolved base station (EvolvedNodeB, referred to as eNB) return this bag
Recognize the time of (Acknowledgment, referred to as ACK), then, deduct the former with the latter, then prolong for PDCP bag to be measured
Late.
Preferably, the object procedure of measurement can for measuring time process status residing for terminal, below at least
One of: handoff procedure, RRC re-establish process, regular traffic process.The method realizes simple, workable.
Preferably, cycle or the triggering terminal reporting measurement that reporting information can be terminal to report measurement result information is measured
The event of object information, wherein, this event includes at least one: measure after starting through the scheduled time, measurement result
Memory space is less than predetermined threshold more than the electricity of predetermined threshold, terminal, measures service ending.Here the storage of measurement result is empty
Between refer to that terminal carries out the file size of the measurement result after PDCP measurement at the memory space shared by end side, this storage is empty
Between will usually be less than certain limit, i.e. when more than this limit, it will triggering terminal is to network side element report measurement results
Information.
In implementation process, measure the corresponding different mode of reporting information, can be to measure the cycle reported or measure knot
The event that reports of fruit, terminal can be according to this measurement reporting information it is determined that the reporting schemes of the measurement result information used.
Such as, if what this measurement reporting information included is the cycle, then it represents that periodically report measurement results information, if this measurement
What reporting information included is event, then after this event meets, then to network side element report measurement results information.
Preferably, measuring trigger message can be the trigger condition that terminal carries out PDCP measurement, wherein, and this trigger condition bag
Include at least one: radio signal quality is less than predetermined threshold, terminal is in presumptive area, the satisfaction of user is less than predetermined
Requirement.In implementation process, this trigger condition typically refers to terminal and proceeds by the condition (that is, trigger event) that PDCP measures,
That is, terminal is after receiving the PDCP layer measuring control information of network side element, is not to immediately begin to measure, but waits this triggering
After condition meets, just proceed by the measurement of PDCP layer.
Such as, measure trigger message can be triggering terminal measure time, radio signal quality be less than a certain door
Limit, arrive a certain band of position, that the satisfaction of user is not up to pre-provisioning request etc. is therein one or more.
Preferably, in step s 102, PDCP layer measuring control information can be modified by network side element, and will repair
PDCP layer measuring control information after changing is handed down to terminal；Or, network side element is carried in PDCP layer measuring control information
Instruction terminal terminates measuring the mark of target measurement amount.
Such as, the PDCP layer measurement of terminal can be reconfigured or terminate by network side element, i.e. is measured by PDCP layer
The content of control information is modified, or indicates terminal to terminate the measurement to PDCP layer in PDCP layer measuring control information.
Preferably, measurement result information can include at least one: PCDP measurement result, radio signal quality and
The QoS of survice parameter information corresponding for PDCP of measurement, the temporal information of measurement, the positional information of terminal, the mobile character of terminal
The process status that state, terminal are residing when measuring.The method can improve the effectiveness of measurement result information.In implementation process
In, the mobility status of terminal can be the translational speed grade of terminal, such as, and low speed, middling speed, at a high speed.
Preferably, in step S104, the QoS of network is optimized permissible according to PDCP measurement result by network side element
Including: configuration parameter and/or the wireless resource management algorithm of network are optimized by network side element according to PDCP measurement result,
Wherein, what the configuration parameter of network included PDCP packet abandons the time.The method can increase the motility of system.
Corresponding to said method, the embodiment of the present invention additionally provides a kind of network side element.Fig. 2 is to implement according to the present invention
The structured flowchart of the network side element of example, as in figure 2 it is shown, this network side element 20 includes: issue module 22, under terminal
Send out PDCP layer measuring control information；Receiver module 24, for receiving terminal according to the PDCP layer measuring control information number to PDCP
The measurement result information reported after measuring according to bag；And QoS optimizes module 26, it coupled to receiver module 24, for basis
The QoS of network is optimized by measurement result information.
By network side element 20, use and issue PDCP layer measuring control information to terminal, and according to terminal to report
The measurement data of PDCP layer carries out the mode of QoS optimization, solves in correlation technique due to qos parameter and the calculation of network side configuration
Method is mated improper with the demand of business and is caused the problem of the QoS demand that cannot meet user, adds the QoS matter of system
Amount, improves Consumer's Experience.
Preferably, in LTE system, network side element 20 is eNB；At UMTS (Universal
Mobile Telecommunications System, referred to as UMTS) in, network side element 20 is radio network controller
(Radio Network Controller, referred to as RNC).
According to embodiments of the present invention, the optimization system of a kind of QoS is additionally provided.Fig. 3 is clothes according to embodiments of the present invention
The structured flowchart of the optimization system of business quality, as it is shown on figure 3, this system includes terminal 32 and network side element 20, wherein, terminal
32 include: measurement module 322, are used for the basis PDCP layer measuring control information from network side element 20 packet to PDCP
Measure；And reporting module 324, it coupled to measurement module 322, be used for after measurement module 322 measures to network
Side network element 20 report measurement results information.
Below in conjunction with preferred embodiments and drawings, above-described embodiment is realized process to be described in detail.
Embodiment one
The present embodiment is as a example by end side periodic measurement reports, it is provided that the optimization method of a kind of QoS.Assume this enforcement
The business of the measurement in example is all up business, and terminal is in link state in network element 1 (such as, eNB or RNC), network element 1
Community provides business for terminal.
Fig. 4 be according to embodiments of the present invention one periodicity report the schematic flow sheet of PDCP measurement result, such as Fig. 4 institute
Showing, this flow process comprises the following steps:
Step S402, optimization based on QoS or other demands, network element 1 issues PDCP layer measuring control information to terminal.Its
In, measuring control information can include the target measurement amount of measurement, the object procedure of measurement, measurement reporting information etc. therein
Item or multinomial.In implementation process, target measurement amount can include measurement amount (such as, the PDCP bag of concrete PDCP protocol layer
Handling capacity, packet loss, one or more in the index such as packet delay), it is also possible to include the mark of business to be measured, described mark
Knowledge can be EPS bearer id or RB id or QCI, or do not carries service identification, then acquiescence be business all to terminal all
Measure；The object procedure measured can be by the process status of terminal measured, such as, terminal be in handoff procedure,
RRC re-establishes process, regular traffic process etc.；Measurement reporting information can be the reporting schemes of the measurement result of terminal, such as,
If periodically reporting, then the cycle reported containing measurement result in measuring reporting information.
Preferably, network element 1 can by the way of RRC signaling under by chain of command specific messages sending measuring control information
To terminal.Such as, wireless resource control connection reconfiguration (RRCConnectionReconfiguration) message or one is used
The independent message that bar is new.
Step S404, the packet of PDCP layer, according to the measuring control information received, is measured by terminal immediately.Example
As, target measurement amount is the handling capacity of PDCP bag, packet loss, packet delay etc..Target can be surveyed by terminal according to the demand measured
Amount amount measures.Wherein, the calculation of handling capacity can be: the PDCP layer of terminal sends the number of bag in some cycles
Mesh；The calculation of packet loss can be: what terminal sent does not receive the bag quantity confirming ACK (ACKNOWLEDGE) and send out
The ratio of the whole bag quantity sent；The metering system of packet delay can be: terminal records the moment that up PDCP bag arrives, and right
End network side element (such as, eNB) receives this PDCP bag and returns the moment confirming ACK, and the two moment time difference is just
Be PDCP bag time delay (that is, the time delay=eNB of PDCP bag return this bag ACK time m-terminal PDCP bag arrival
Time), wherein, refer to the time of the packet incoming terminal PDCP layer of application layer the time of advent of terminal PDCP bag.
Preferably, terminal can record the measurement result of each PDCP bag, it is also possible to does sums within a measurement cycle
Averagely, the average throughput of all PDCP bags, average packet loss ratio, average delay time are namely calculated in the measurement cycle.
The measurement cycle may be embodied in measuring control information.
Preferably, terminal carries out the measurement of place Serving cell wireless quality simultaneously, it is also possible to carry out the geographical position of terminal
The measurement of confidence breath.
Step S406, the measurement result that measurement obtains PDCP layer of terminal periodic reports to network side element.In reality
During executing, user terminal (User Equipment, referred to as UE) can be by described PDCP by the way of using RRC signaling
Layer measurement result is reported to network element 1, it is for instance possible to use measurement report (MeasurementReport) message or one new
Independent message.Preferably, described measurement result can include radio signal quality, qos parameter information, temporal information, position
Information, mobility status, terminal place the information such as process in one or more.Wherein, radio signal quality can be little
The pilot signal quality in district or channel quality instruction (Channel Quality Indicator, referred to as CQI)；QoS joins
Number information can be measurement QoS of survice parameter corresponding for PDCP (such as, qos parameter comprises QCI and rate information, it is also possible to
Containing Address Interpretation agreement (Address Resolution Protocol, referred to as ARP))；Temporal information can be to measure
Absolute time or relative time；Positional information can include the geographical position residing for terminal；Mobility status can be terminal
Translational speed grade (such as, low speed, middling speed, at a high speed)；The process at terminal place can refer to that handoff procedure, RRC re-established
Journey, regular traffic process etc..
Preferably, the measurement of PDCP can be reconfigured or terminate by network element 1.Such as, network element 1 can be to target measurement
Amount, the object procedure measured, measure reporting information and modify, or stop section or whole measurement amounts.Network element 1 sends to be surveyed
Amount reconfiguration information is to terminal, and terminal measures according to measuring reconfiguration information or terminates measuring.
By said method, terminal can carry out the measurement of PDCP layer according to the measurement demand that network side element issues, and
Measurement result is reported and looks for network side element；Network side element can be carried out according to the measurement result of the PDCP layer of terminal to report
The network optimization, improves the QoS of user.Preferably, the network optimization can include optimization and the Radio Resource pipe of network configuration parameters
The optimization of adjustment method, for example, it is possible to optimize PDCP packet abandon time parameter DiscardTimer.
Embodiment two
The present embodiment is as a example by the measurement that event triggers reports, it is provided that the prioritization scheme of a kind of QoS.Assume the present embodiment
In the business of measurement be all up business, terminal is in link state in network element 1, and the community of network element 1 provides industry for terminal
Business.
Fig. 5 is the schematic flow sheet of the reporting events PDCP measurement result of according to embodiments of the present invention two, as it is shown in figure 5,
This flow process comprises the following steps:
Step S502, optimization based on QoS or other demands, network element 1 issues PDCP layer measuring control information to terminal.Its
In, described measuring control information comprises the target measurement amount of measurement, it is also possible to containing the object procedure measured, measure reporting information
One or more etc. therein.Target measurement amount comprises the measurement amount of concrete PDCP protocol layer, refers to the handling capacity of PDCP bag, loses
One or more in the indexs such as bag rate, packet delay, it is also possible to containing the mark of business to be measured, described mark can be
EPSbearer id or RB id or QCI, or do not carry service identification, then acquiescence is that business all to terminal all measures.
The object procedure measured refers to the process status of the terminal measured, and such as, terminal is in handoff procedure, RRC re-established
Journey, regular traffic process etc..Measure reporting information and refer to the report condition of measurement result of terminal, such as, if event side
Formula reports, measure the handling capacity that reporting information can be PDCP bag in some cycles be higher than a certain thresholding (such as, 5kbits),
Packet loss is more than a certain thresholding (such as, thresholding is 5ms), wireless signal higher than a certain thresholding (such as, thresholding is 1%), time delay
It is one or more satisfied that quality is less than in the measurement reported events such as a certain thresholding (such as, thresholding is-85dbm), then can trigger
Reporting of terminal PDCP measurement result.
Preferably, network element 1 can by the way of RRC signaling under by chain of command specific messages sending measuring control information
To terminal, for example with wireless resource control connection reconfiguration (RRCConnectionReconfiguration) message or one
New independent message.
Step S504, the packet of PDCP layer, according to the measuring control information received, is measured by terminal immediately.Its
In, the metering system of packet delay is: terminal records the moment that up PDCP bag arrives, and opposite end network element 1 (such as, eNB) receives
To this PDCP bag and return confirm ACK moment, the two moment time difference is exactly the time delay of PDCP bag, namely
(eNB return this bag ACK time m-terminal PDCP bag the time of advent), the time of advent of terminal PDCP bag refers to application layer
The time of packet incoming terminal PDCP layer；Terminal can measure the handling capacity of PDCP bag, packet loss according to the demand measured.
The calculating of handling capacity: (the transmission bag number in the PDCP layer some cycles of terminal)；The calculating of packet loss: (not having of terminal transmission
There is the ratio of the bag quantity receiving ACK and whole bag quantity of transmission).
Preferably, terminal can record the measurement result of each PDCP bag, it is also possible to does sums within a measurement cycle
Averagely, the average delay time of all PDCP bags, average throughput, average packet loss ratio in the measurement cycle is namely calculated.
The measurement cycle may be embodied in measuring control information.Terminal carries out the measurement of place Serving cell wireless quality simultaneously, also may be used
To carry out the measurement of the geographical location information of terminal.
Step S506, the condition that measurement result reports meets.Such as, the handling capacity of the PDCP bag in some cycles is the highest
Certain is had been above already above a certain thresholding (such as, thresholding is 1%), time delay in a certain thresholding (such as, 5kbits), packet loss
One thresholding (such as, thresholding is 5ms), radio signal quality are already below a certain thresholding (such as, thresholding is-85dbm) etc..
Step S508, if meeting the condition that measurement result reports, then measurement is obtained the measurement result of PDCP layer by terminal
Reporting to network side, network side, according to the PDCP measurement result of terminal to report, carries out the network optimization, improves the QoS of user.In reality
During executing, UE PDCP layer measurement result described in bag can be reported to network element 1 by the way of using RRC signaling, for example, it is possible to
Use measurement report (MeasurementReport) message or a new independent message.Preferably, in described measurement result also
Radio signal quality, qos parameter information, temporal information, positional information, mobility status, the process at terminal place can be included
One or more etc. in information.Wherein, radio signal quality can be pilot signal quality or the channel quality of community
Instruction CQI；Qos parameter information refers to the QoS of survice parameter corresponding for PDCP measured, and qos parameter comprises QCI and rate information,
ARP can also be contained；Temporal information can be the absolute time or relative time measured；Positional information comprises residing for terminal
Geographical position；Mobility status can be the translational speed grade of terminal, such as, and low speed, middling speed, at a high speed；The mistake at terminal place
Journey can refer to that handoff procedure, RRC re-establish process, regular traffic process etc..
Preferably, the measurement of PDCP can be reconfigured or terminate by network element 1.For example, it is possible to target measurement amount, survey
The object procedure of amount, measure reporting information and modify, or stop section or whole measurement amounts.Network element 1 sends measures weight
Configuration information is to terminal, and terminal measures according to measuring reconfiguration information or terminates measuring.
Preferably, the network optimization can comprise the optimization of network configuration parameters and the optimization of wireless resource management algorithm, example
As, can optimize PDCP packet abandons time parameter DiscardTimer.
Embodiment three
The present embodiment is measured by PDCP layer as a example by starting to report by event triggering with measurement result, it is provided that a kind of QoS
Optimization be scheme.
Fig. 6 is the flow process signal that event triggering is measured and event triggering measurement result reports of according to embodiments of the present invention three
Figure, as shown in Figure 6, terminal is in link state in network element 1, and network element 1 provides business for terminal, and this flow process comprises the following steps:
Step S602, optimization based on QoS or other demands, network element 1 issues PDCP layer measuring control information to terminal.Its
In, described measuring control information includes the target measurement amount measured, it is also possible to containing the object procedure measured, measures and triggers letter
Breath, measurement reporting information etc. are therein one or more.Target measurement amount can include the measurement amount of concrete PDCP protocol layer,
Such as, one or more in the index such as the handling capacity of PDCP bag, packet loss, packet delay, this target measurement amount can also contain
The mark of business to be measured, described mark can be EPS bearer id or RB id or QCI, or not carry service identification,
Then acquiescence is that business all to terminal all measures.The object procedure measured refers to the process status of the terminal measured,
Such as, be that terminal is in handoff procedure, RRC re-establishes process, regular traffic process etc..Measure trigger message and refer to that PDCP measures
Trigger condition (event 1 can be designated as), for example, it may be radio signal quality less than a certain thresholding (such as, thresholding be-
75dbm), terminal arrive a certain band of position (such as, being TA1), the satisfaction of user do not meet requirement etc. therein one or
Multinomial.Measure reporting information and refer to the condition (event 2 can be designated as) of triggering terminal report measurement results, for example, it may be survey
After amount startup, (such as, separated in time (such as, 100s), the storage size of measurement result are more than a certain thresholding
50%), the electricity of terminal is less than one or many therein of a certain thresholding (that is, threshold value, such as, 1%), the service ending measured etc.
?.
Preferably, network element 1 can by the way of RRC signaling under by chain of command specific messages sending measuring control information
To terminal, for example with wireless resource control connection reconfiguration (RRCConnectionReconfiguration) message or one
New independent message.
Step S604, terminal is according to the measuring control information received, if meeting PDCP to measure the event 1 triggered, then
The packet of PDCP layer is measured.Wherein, the metering system of packet delay can be: terminal records what up PDCP bag arrived
Moment, and opposite end network element 1 receive this PDCP bag and return confirm ACK moment, the two moment time difference is exactly PDCP
Bag time delay, namely (network element 1 return this bag ACK time m-terminal PDCP bag the time of advent), terminal PDCP bag
Refer to the time of the packet incoming terminal PDCP layer of application layer the time of advent；Terminal can be measured according to the demand measured
The handling capacity of PDCP bag, packet loss.Such as, the calculating of handling capacity: (the transmission bag number in the PDCP layer some cycles of terminal)；
The calculating of packet loss: (the bag quantity not receiving ACK of terminal transmission and the ratio of whole bag quantity of transmission).
Preferably, terminal can record the measurement result of each PDCP bag, it is also possible to does sums within a measurement cycle
Averagely, the average delay time of all PDCP bags, average throughput, average packet loss ratio in the measurement cycle is namely calculated.
The measurement cycle may be embodied in measuring control information.
Preferably, terminal carries out the measurement of place Serving cell wireless quality simultaneously, it is also possible to carry out the geographical position of terminal
The measurement of confidence breath.
Step S606, the event 2 that measurement result reports occurs.In implementation process, if the triggering bar that network side issues
Part is that the satisfaction of user does not meets when requiring, according to the instruction of application layer, terminal can judge whether business has reached user
Demand, namely determine whether user satisfaction reaches requirement by application layer.
Step S612, if meeting the event 2 that measurement result reports, measurement is obtained in the measurement result of PDCP layer by terminal
Report is to network side.In implementation process, UE PDCP layer measurement result described in bag can be reported to by the way of using RRC signaling
Network element 1, it is for instance possible to use measurement report (MeasurementReport) message or a new independent message.Described measurement
Result can also include radio signal quality, qos parameter information, temporal information, positional information, mobility status, terminal institute
The information such as process in one or more.Wherein, radio signal quality can be community pilot signal quality or
Channel quality indicator (CQI)；Qos parameter information refers to the QoS of survice parameter corresponding for PDCP measured, and such as, qos parameter includes
QCI and rate information, it is also possible to containing ARP；Temporal information can be the absolute time or relative time measured；Positional information
Comprise the geographical position residing for terminal；Mobility status can be the translational speed grade of terminal, such as, low speed, middling speed, height
Speed；The process at terminal place can refer to that handoff procedure, RRC re-establish process, regular traffic process etc..
It should be noted that in implementation process, if the measuring control information that issues of network side does not comprise in measurement
Notifying breath, terminal can also decide when report measurement results in its sole discretion.
Preferably, this flow process can also include step S608 and step S610, i.e. terminal can measure knot reporting PDCP
Before Guo, sending one to network element 1 has measurement result to need the instruction reported, and network element 1 sends to terminal and submits a report asking in measurement result
After the message asked, terminal to report PDCP measurement result is to network element 1.In implementation process, if the measurement that network side issues controls letter
Not comprising measurement reporting information in breath, terminal can also decide when report the finger that there is the measurement result that can report in its sole discretion
Show.
Preferably, the measurement of PDCP can be reconfigured or terminate by network element 1.Such as, network element 1 can be to target measurement
Amount, the object procedure measured, measure reporting information and modify, or stop section or whole measurement amounts.Network element 1 sends to be surveyed
Amount reconfiguration information is to terminal, and terminal measures according to measuring reconfiguration information or terminates measuring.
In the present embodiment, network side can carry out the network optimization according to the PDCP measurement result of terminal to report, improves user
QoS.Preferably, the network optimization can comprise the optimization of network configuration parameters and the optimization of wireless resource management algorithm, such as,
Can optimize PDCP packet abandons time parameter DiscardTimer.
It should be noted that the business of the measurement in above-described embodiment is all referring to up business.Network element 1, in LTE system
System, refers to eNB；In UMTS system, refer to RNC.
In sum, in order to meet the demand of user QoS and make full use of the resource of network, the embodiment of the present invention provides
A kind of scheme measured user face data at PDCP layer, network side can carry out according to the measurement result of terminal to report
The optimization of QoS, improves the QoS mass of system.Meanwhile, also take full advantage of Internet resources, provide the user more preferable use
Family is experienced.
Obviously, those skilled in the art should be understood that each module of the above-mentioned present invention or each step can be with general
Calculating device realize, they can concentrate on single calculating device, or be distributed in multiple calculating device and formed
Network on, alternatively, they can with calculate the executable program code of device realize, such that it is able to be stored in
Storage device is performed by calculating device, or they are fabricated to respectively each integrated circuit modules, or by them
Multiple modules or step be fabricated to single integrated circuit module and realize.So, the present invention is not restricted to any specific hard
Part and software combine.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (14)
1. the optimization method of a service quality QoS, it is characterised in that comprise the following steps:
Network side element issues PDCP PDCP layer measuring control information to terminal, and wherein, described PDCP layer is surveyed
Amount control information includes at least one: target measurement amount, the object procedure of measurement, measurement reporting information, measurement trigger letter
Breath；
Described network side element receives described terminal and enters the packet of PDCP layer according to described PDCP layer measuring control information
The measurement result information that row reports after measuring, and according to described measurement result information, the QoS of network is optimized, wherein, institute
State measurement result information and include at least one: PCDP measurement result, radio signal quality and corresponding for the PDCP industry measured
Business qos parameter information, the temporal information of measurement, the positional information of described terminal, the mobility status of described terminal, described terminal
Process status residing when measuring.
Method the most according to claim 1, it is characterised in that described network side element passes through chain of command the first specific messages
Described PDCP layer measuring control information is issued to described terminal；Described terminal reports described survey by chain of command the second specific messages
Amount object information.
Method the most according to claim 1, it is characterised in that described network side element receives the institute of described terminal to report
Before stating measurement result information, also include:
Described terminal determines measurement mechanism according to described PDCP layer measuring control information, and wherein, described measurement mechanism includes following
One of: periodically report that described measurement result information, event trigger the reporting of described measurement result information, described terminal is carried out
DPCP layer is measured and the event that is that reports of described measurement result information triggers；
The packet of described PDCP layer, according to the described measurement mechanism determined, is measured by described terminal, and to described survey
Amount object information reports.
Method the most according to claim 3, it is characterised in that described terminal reports bag to described measurement result information
Include:
Described terminal sends described terminal to described network side element has described measurement result information to need the instruction reported, in institute
When stating measurement result information described in the network side element described terminal to report of request, described terminal reports institute to described network side element
State measurement result information；Or,
The mode reporting described measurement result information cannot be determined from described PDCP layer measuring control information in described terminal
In the case of, described terminal decides when report described measurement result information to described network side element in its sole discretion.
Method the most according to claim 1, it is characterised in that described target measurement amount includes the performance indications of PDCP bag
And/or the mark of the business of measurement, wherein,
The performance indications of described PDCP bag include at least one: handling capacity, packet loss, packet delay；
Described measurement business is uplink service, and its mark includes at least one: the grouping system EPS of evolution carrying mark,
Radio bearer identification, QoS class identifier.
Method the most according to claim 5, it is characterised in that described network side element receives the institute of described terminal to report
Before stating measurement result information, when the packet of described PDCP layer is measured by described terminal, the measurement side of described packet delay
Formula is:
The packet of PDCP layer described in described terminal record arrives the time t1 of the PDCP layer of described terminal and described network side net
Unit receives the time t2 of the confirmation message that the backward described terminal of this packet returns；
Described terminal deducts t1 by t2, draws described packet delay.
Method the most according to claim 1, it is characterised in that described end when the object procedure of described measurement is for measuring
Process status residing for end, including at least one: handoff procedure, radio resource control RRC re-establish process, regular traffic
Process.
Method the most according to claim 1, it is characterised in that described measurement reporting information is to survey described in described terminal to report
Measuring the cycle of object information or trigger the event of measurement result information described in described terminal to report, wherein, this event includes at least
One below: after measuring startup, the memory space through the scheduled time, measurement result is more than predetermined threshold, the electricity of described terminal
Less than predetermined threshold, measure service ending.
Method the most according to claim 1, it is characterised in that described measurement trigger message is that described terminal carries out PDCP survey
The trigger condition of amount, wherein, described trigger condition includes at least one: radio signal quality is less than predetermined threshold, described
Terminal is in presumptive area, the satisfaction of user is less than pre-provisioning request.
Method the most according to claim 1, it is characterised in that described network side element issues described to described terminal
PDCP layer measuring control information includes:
Described PDCP layer measuring control information is modified by described network side element, and is measured by amended described PDCP layer
Control information is handed down to described terminal；Or,
Described network side element is carried the described terminal of instruction in described PDCP layer measuring control information and is terminated measuring described target
The mark of measurement amount.
11. methods according to any one of claim 1 to 10, it is characterised in that described network side element is according to described
The QoS of network is optimized and includes by PDCP measurement result:
Configuration parameter and/or the wireless resource management algorithm of network are entered by described network side element according to described PDCP measurement result
Row optimizes, and wherein, what the configuration parameter of described network included PDCP packet abandons the time.
12. 1 kinds of network side element, it is characterised in that including:
Issue module, for issuing packet data convergence protocol PDCP layer measuring control information, wherein, described PDCP to terminal
Layer measuring control information includes at least one: target measurement amount, the object procedure of measurement, measurement reporting information, measurement are touched
Photos and sending messages；
Receiver module, measures the packet of PDCP according to described PDCP layer measuring control information for receiving described terminal
After the measurement result information that reports, wherein, described measurement result information includes at least one: PCDP measurement result, wireless
Signal quality and corresponding for the PDCP QoS of survice parameter information measured, the temporal information of measurement, the positional information of described terminal,
The process status that the mobility status of described terminal, described terminal are residing when measuring；And
Service quality QoS optimizes module, for being optimized the QoS of network according to described measurement result information.
13. network side element according to claim 12, it is characterised in that in Long Term Evolution LTE system, described network
Side network element is evolved base station eNB；In UMTS UMTS, described network side element is radio network controller
RNC。
The optimization system of 14. 1 kinds of service quality QoSs, it is characterised in that include the net described in terminal and claim 12 or 13
Network side network element, wherein,
Described terminal includes: measurement module, for according to the described PDCP layer measuring control information from described network side element
Measuring the packet of PDCP, wherein, described PDCP layer measuring control information includes at least one: target measurement
Amount, the object procedure measured, measurement reporting information, measurement trigger message；And reporting module, for entering at described measurement module
Row is measured backward described network side element and is reported described measurement result information, wherein, described measurement result information include at least with
One of lower: PCDP measurement result, radio signal quality and corresponding for the PDCP QoS of survice parameter information measured, the time of measurement
The process shape that information, the positional information of described terminal, the mobility status of described terminal, described terminal are residing when measuring
State.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110084214.8A CN102740379B (en) | 2011-04-02 | The optimization method of service quality and system, network side element | |
| PCT/CN2011/083321 WO2012136067A1 (en) | 2011-04-02 | 2011-12-01 | Quality of service optimization method and system, and network-side network element |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110084214.8A CN102740379B (en) | 2011-04-02 | The optimization method of service quality and system, network side element |
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