CN103378959B - Determine the method and device of discontinuous receiving cycle starting point - Google Patents
Determine the method and device of discontinuous receiving cycle starting point Download PDFInfo
- Publication number
- CN103378959B CN103378959B CN201210115654.XA CN201210115654A CN103378959B CN 103378959 B CN103378959 B CN 103378959B CN 201210115654 A CN201210115654 A CN 201210115654A CN 103378959 B CN103378959 B CN 103378959B
- Authority
- CN
- China
- Prior art keywords
- cycle
- drx cycle
- cqi
- drx
- srs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses a kind of method and device determining discontinuous receiving cycle starting point.The method includes: step 1, obtains temporary variable N, and N is assigned to M, wherein, and 0≤N≤DRXcycle-1, DRXcycleRepresent DRX cycle length；Step 2, it is judged that whether channel quality indicator (CQI), order instruction RI and detection reference signal SRS exists launching opportunity within the monitoring period of DRX cycle, if the judgment is Yes, then performs step 3, otherwise, performs step 4；Step 3, determines that DRX cycle starting point is N, end operation；Step 4, makes N=mod (N+1, DRXcycle), and judge that N, whether equal to M, if the judgment is Yes, then end operation, if the judgment is No, then performs step 2.By means of technical scheme, it is possible to effectively ensure the assessment to up-downgoing channel quality, and improve the handling capacity of system.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to one and determine the method and device of discontinuous reception (DiscontinuousReception, referred to as DRX) cycle starting point.
Background technology
At third generation partner program (3rdGenerationPartnershipProject, referred to as 3GPP) Long Term Evolution (LongTermEvolution, referred to as LTE) in system, at wireless heterogeneous networks (RadioResourceControl, referred to as RRC) introduce DRX under connected state, DRX refers to: terminal discontinuous reception descending scheduling and downlink data, when need not receive downlink data, terminal may be at dormancy (sleep) state, the radio frequency unit of terminal and other processing units can not work, thus reach the purpose of power saving.
Fig. 1 is the schematic diagram of the periodicity configuration of DRX in prior art, as shown in Figure 1, each DRX is introduced into an of short duration continuous reception state when starting, it is referred to as monitoring the period (onduration), the monitoring period would generally continue one to several descending sub frames, monitoring the period, terminal monitors physical down physical control channel (PhysicalDownlinkControlChannel continuously, referred to as PDCCH), to determine whether the descending scheduling signaling for this terminal, and receive downlink data accordingly, if terminal receives descending scheduling and downlink data during monitoring the period, other intervalometer will be started and carry out follow-up scheduling process；If but terminal is not received by descending scheduling and downlink data during monitoring the period, it will enter dormancy (sleep) state, until the monitoring period of next DRX original position could receive dispatch and downlink data again.
In the prior art, not all business and all of subscriber equipment (UserEquipment, referred to as UE) it is suitable for configuring DRX mode, will be according to the characteristic of UE during configuration DRX parameter, owing to different business is to service quality (QualityofService, referred to as QoS) require different, so needing in DRX parameter configuration and business hook.Therefore, the DRX of UE configurations different in community may be different, and base station needs to start monitoring duration timer when UE is in activated state, the hardware load starting representative system to be consumed of intervalometer, if be not any limitation as, very likely result in the synchronization some UE of point and simultaneously enter DRX state, exceed the disposal ability of base station.
In LTE system, being based on subframe sequence number to determine the startup position (being referred to as DRX starting point) of the DRX of terminal, in 3GPP36.321 standard, DRX starting point is set to:
[(SFN*10)+subframenumber] modulo (longDRX-Cycle)=drxStartOffset:
That is, when the DRX starting point of configuration is equal to [(SFN*10)+subframenumber] modulo (longDRX-Cycle), start and monitor duration timer.Wherein, System Frame Number (SystemFrameNumber, referred to as SFN) * 10ms represents a radio frames；DRX beginning offset amount is the value that each terminal is proprietary, base station notify terminal, and span is [0, DRX cycle length-1].
3GPP36.321 agreement points out that channel quality indicates (ChannelQualityIndicator, referred to as CQI), detection reference signal (SoundingRS, referred to as SRS), order instruction (RankIndication, referred to as RI) only in activity time (activetime) transmission of DRX, so needing during configuration DRX cycle starting point to consider that CQI, SRS, RI launch factor, otherwise configure is improper, CQI, SRS, RI is not had to send in causing the whole time, the performance of system is impacted, it is impossible to effective guarantee assesses up-downgoing channel quality.
Summary of the invention
The present invention provides a kind of method and device determining discontinuous receiving cycle starting point, do not consider that CQI, SRS and RI launch factor during in order to solve and prior art configures DRX starting point, CQI, SRS and RI is not had to send in making the whole time, thus the problem causing can not effectively assessing up-downgoing channel quality.
The present invention provides a kind of method determining discontinuous receiving cycle starting point, including:
Step 1, obtains temporary variable N, and N is assigned to M, wherein, and 0≤N≤DRXcycle-1, DRXcycleRepresent DRX cycle length；
Step 2, it is judged that whether channel quality indicator (CQI), order instruction RI and detection reference signal SRS exists launching opportunity within the monitoring period of DRX cycle, if the judgment is Yes, then performs step 3, otherwise, performs step 4；
Step 3, determines that DRX cycle starting point is N, end operation；
Step 4, makes N=mod (N+1, DRXcycle), and judge that N, whether equal to M, if the judgment is Yes, then end operation, if the judgment is No, then performs step 2.
Present invention also offers a kind of device determining discontinuous receiving cycle starting point, including:
Assignment module, is used for obtaining temporary variable N, and N is assigned to M, wherein, and 0≤N≤DRXcycle-1, DRXcycleRepresent DRX cycle length；
Judge module, for judging whether channel quality indicator (CQI), order instruction RI and detection reference signal SRS exists launching opportunity, if the judgment is Yes within the monitoring period of DRX cycle, then determine that DRX cycle starting point is N, end operation, otherwise, calls processing module；
Processing module, is used for making N=mod (N+1, DRXcycle), and judge that N, whether equal to M, if the judgment is Yes, then end operation, if the judgment is No, then calls judge module.
The present invention has the beneficial effect that:
By carrying out randomization DRX starting point based on agreement, multiple terminal D RX are uniformly distributed when starting on descending sub frame, it is possible to efficient balance system hardware load and descending scheduling and the equilibrium of downlink resource utilization rate；Simultaneously, ensure that CQI, SRS, RI send opportunity at least once within the least common multiple time of its cycle configured and DRX cycle, solve and do not consider that CQI, SRS and RI launch factor when prior art configures DRX starting point, CQI, SRS and RI is not had to send in making the whole time, thus the problem causing can not effectively assessing up-downgoing channel quality, the technical scheme of the embodiment of the present invention can ensure the assessment to up-downgoing channel quality effectively, and improves the handling capacity of system.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the periodicity configuration of DRX in prior art；
Fig. 2 is the flow chart of the method for the determination discontinuous receiving cycle starting point of the embodiment of the present invention；
Fig. 3 is the detailed process figure of the method for the determination discontinuous receiving cycle starting point of the embodiment of the present invention；
Fig. 4 is the flow chart whether the calculating CQI of the embodiment of the present invention has launching opportunity in the range of the monitoring period (onduration) of DRX cycle；
Fig. 5 is the flow chart whether the calculating RI of the embodiment of the present invention has launching opportunity in the range of the monitoring period of DRX cycle；
Fig. 6 is the flow chart whether the calculating SRS of the embodiment of the present invention has launching opportunity in the range of the monitoring period of DRX cycle；
Fig. 7 is the structural representation of the device of the determination discontinuous receiving cycle starting point of the embodiment of the present invention.
Detailed description of the invention
nullIn order to not consider CQI when solving and prior art configures DRX starting point、SRS、And RI launches factor，CQI is not had in making the whole time、SRS、And RI sends，Thus the problem causing can not effectively assessing up-downgoing channel quality，Embodiments provide a kind of method and device determining discontinuous receiving cycle starting point，While carrying out randomization DRX starting point based on agreement，Support CQI、SRS、And the restriction relation of the period assignment of RI and DRX cycle，Ensure CQI、RI、And the period assignment of SRS can send in the range of the monitoring period (onDuration) of DRX cycle，That is，Ensure the CQI of configuration、SRS、And RI send opportunity at least once within the least common multiple time of its cycle configured and DRX cycle.Below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, does not limit the present invention.
Embodiment of the method
According to embodiments of the invention, provide a kind of method determining discontinuous receiving cycle starting point, Fig. 2 is the flow chart of the method for the determination discontinuous receiving cycle starting point of the embodiment of the present invention, as in figure 2 it is shown, the method for determination discontinuous receiving cycle starting point according to embodiments of the present invention includes processing as follows:
Step 201, obtains temporary variable N, and N is assigned to M, wherein, and 0≤N≤DRXcycle-1, DRXcycleRepresent DRX cycle length；
Step 202, it is judged that whether channel quality indicator (CQI), order instruction RI and detection reference signal SRS exists launching opportunity within the monitoring period of DRX cycle, if the judgment is Yes, then performs step 203, otherwise, performs step 204；
Specifically, in step 202., it is judged that whether CQI exists launching opportunity within the monitoring period of DRX cycle specifically includes:
Step 1, obtains DRX cycle length DRX of user terminalcycle, monitor duration timer length information Londuration, CQI sub-frame offset CQIoffset, and CQI send cycle CQIcycle；It should be noted that obtain LondurationAfterwards, need LondurationIt is converted into the physical downlink control channel PDCCH number of subframes of correspondence.
Step 2, determines DRXcycle、CQIcycle, and the least common multiple SmalComMul of 101, and assignment n=0；
Step 3, calculates YCQI1=ceil ((N+0+DRXcycle*n-CQIoffset)/CQIcycle), YCQI2=floor ((N+Londuration+DRXcycle*n-CQIoffset)/CQIcycle), wherein, ceil is for rounding up, and floor is for round downwards, and judges YCQI1≤YCQI2Whether set up, if the judgment is Yes, then perform step 4, otherwise, perform step 5；
Step 4, determines that CQI exists launching opportunity within the monitoring period of DRX cycle；
Step 5, makes n=n+1, and judges n*DRXcycle＜ SmalComMul1Whether setting up, if set up, then performing step 3, if be false, it is determined that CQI does not exist launching opportunity within the monitoring period of DRX cycle.
In step 202., it is judged that whether RI exists launching opportunity within the monitoring period of DRX cycle specifically includes:
Step 1, obtains DRX cycle length DRX of user terminalcycle, monitor duration timer length information Londuration, RI sub-frame offset RIoffset, CQI sub-frame offset CQIoffset, CQI send cycle CQIcycle, and RI send cycle CQIcycle*MR, wherein, MRFor integer；It should be noted that obtain LondurationAfterwards, need LondurationIt is converted into the physical downlink control channel PDCCH number of subframes of correspondence.
Step 2, determines DRXcycle、CQIcycle*MR, and the least common multiple SmalComMul of 102, and assignment n=0；
Step 3, calculates YRI1=ceil ((N+0+DRXcycle*n-CQIoffset-RIoffset)/CQIcycle*MR), YRI2=floor ((N+Londuration+DRXcycle*n-CQIoffset-RIoffset)/CQIcycle*MR), wherein, ceil is for rounding up, and floor is for round downwards, and judges YRI1≤YRI2Whether set up, if the judgment is Yes, then perform step 4, otherwise, perform step 5；
Step 4, determines that RI exists launching opportunity within the monitoring period of DRX cycle；
Step 5, makes n=n+1, and judges n*DRXcycle＜ SmalComMul2Whether setting up, if set up, then performing step 3, if be false, it is determined that RI does not exist launching opportunity within the monitoring period of DRX cycle.
In step 202., it is judged that whether SRS exists launching opportunity within the monitoring period of DRX cycle specifically includes:
Step 1, obtains DRX cycle length DRX of user terminalcycle, monitor duration timer length information Londuration, SRS biasing SRSoffset, and SRS send cycle SRScycle；It should be noted that obtain LondurationAfterwards, need LondurationIt is converted into the physical downlink control channel PDCCH number of subframes of correspondence.
Step 2, determines DRXcycle、SRScycle, and the least common multiple SmalComMul of 103, and assignment n=0；
Step 3, calculates YSRS1=ceil ((N+0+DRXcycle*n-SRSoffset)/SRScycle), YSRS2=floor ((N+Londuration+DRXcycle*n-SRSoffset)/SRScycle), wherein, ceil is for rounding up, and floor is for round downwards, and judges YSRS1≤YSRS2Whether set up, if the judgment is Yes, then perform step 4, otherwise, perform step 5；
Step 4, determines that SRS exists launching opportunity within the monitoring period of DRX cycle；
Step 5, makes n=n+1, and judges n*DRXcycle＜ SmalComMul3Whether setting up, if set up, then performing step 3, if be false, it is determined that SRS does not exist launching opportunity within the monitoring period of DRX cycle.
Step 203, determines that DRX cycle starting point is N, end operation；
Step 204, makes N=mod (N+1, DRXcycle), and judge that N, whether equal to M, if the judgment is Yes, then end operation, if the judgment is No, then performs step 202.
Below in conjunction with accompanying drawing, the technique scheme of the embodiment of the present invention is described in detail.
Technical scheme according to embodiments of the present invention, first obtains the DRX cycle of UE, monitors period (onduration) timer length information, the sub-frame offset of CQI, the cycle of CQI, the sub-frame offset of RI, the cycle of RI, the sub-frame offset of SRS, the cycle of SRS；Fig. 3 is the detailed process figure of the method for the determination discontinuous receiving cycle starting point of the embodiment of the present invention, as it is shown on figure 3, after obtaining above-mentioned information, need to be handled as follows:
Step 1, at random [0, DRXcycle-1] producing temporary variable N in, and N is assigned to M, it should be noted that in embodiments of the present invention, random fashion can be to use equally distributed mode；
Step 2, it is determined that whether CQI has launching opportunity in the range of the onduration of DRX cycle, if the judgment is Yes, then performs step 3, otherwise, performs step 6；
Step 3, it is determined that whether RI has launching opportunity in the range of the onduration of DRX cycle, if the judgment is Yes, then performs step 4, otherwise, performs step 6；
Step 4, it is determined that whether SRS has launching opportunity in the range of the onduration of DRX cycle, if the judgment is Yes, then performs step 5, otherwise, performs step 6；
Step 5, determines DRXStartOffsetThe DRX cycle starting point of=N, i.e. UE has found as N；Perform step 8；
Step 6, makes N=mod (N+1, DRXcycle), perform step 7；
In step 6, it should be noted that mod refers to that remainder operates, for example, it is assumed that DRXcycleBeing 5, N is 4, then the span of N is 0≤N≤4, then, in step 6, mod (4+1,5)=0.
Step 7, it is determined that whether N is equal to M, if the judgment is Yes, then performs step 8, otherwise performs step 2；
Step 8, end operation.
The following detailed description of how judging whether CQI, RI and SRS have launching opportunity in the range of the onduration of DRX cycle.
One, calculate whether CQI has launching opportunity in the range of the onduration of DRX cycle.
Fig. 4 is the flow chart whether the calculating CQI of the embodiment of the present invention has launching opportunity in the range of the onduration of DRX cycle, as shown in Figure 4, including processing as follows:
Step 1, calculates DRXcycle, the CQI cycle, the least common multiple SmalComMul of three of 101；
Step 2, assignment n=0, i.e. from the first of DRX cycle cycle, starting point is that SFN (System Frame Number) is equal to 0；
Step 3, calculates YCQI1=ceil ((N+0+DRXcycle*n-CQIoffset)/CQIcycle), wherein, ceil represents and rounds up；
Step 4, calculates YCQI2=floor ((N+Londuration+DRXcycle*n-CQIoffset)/CQIcycle), wherein, floor represents and rounds downwards；
It should be noted that, due to time division duplex (TimeDivisionDuplexing, referred to as TDD) system is monitored period timer (onDurationTimer) corresponding be downlink physical down control channel (physicaldownlinkcontrolchannel, referred to as PDCCH) number of subframes, therefore, need to change into onDurationTimer the descending PDCCH number of subframes of correspondence during calculating；
Step 5, if YCQI1≤YCQI2, then exit circulation, success, feedback is (yes), otherwise performs step 6；
Step 6, makes n=n+1；
Step 7, if n*DRXcycle＜ SmalComMul1, then perform step 3, otherwise search failure, feed back no (no).
Two, calculate whether RI has launching opportunity in the range of the onduration of DRX cycle.
Fig. 5 is the flow chart whether the calculating RI of the embodiment of the present invention has launching opportunity in the range of the onduration of DRX cycle, as it is shown in figure 5, include processing as follows:
Step 1, calculates DRXcycle, RI send cycle: CQIcycle*MR, the least common multiple SmalComMul of three of 102；
Step 2, assignment n=0, i.e. from the first of DRX cycle cycle, starting point is that SFN (System Frame Number) is equal to 0；
Step 3, calculates YRI1=ceil ((N+0+DRXcycle*n-CQIoffset-RIoffset)/CQIcycle*MR), wherein, ceil represents and rounds up；
Step 4, calculates YRI2=floor ((N+Londuration+DRXcycle*n-CQIoffset-RIoffset)/CQIcycle*MR), wherein, floor represents and rounds downwards；
It should be noted that due in TDD onDurationTimer corresponding be descending PDCCH number of subframes, need to change into onDurationTimer the descending PDCCH number of subframes of correspondence during calculating；
Step 5, if YRI1＜=YRI2, then exit circulation, success, feedback is (yes), otherwise performs step 6；
Step 6, makes n=n+1；
Step 7, if n*DRXcycle＜ SmalComMul2, then perform step 3, otherwise search failure, feed back no (no).
Three, calculate whether SRS has launching opportunity in the range of the onduration of DRX cycle.
Fig. 6 is the flow chart whether the calculating SRS of the embodiment of the present invention has launching opportunity in the range of the onduration of DRX cycle, as shown in Figure 6, including processing as follows:
Step 1, calculates DRXcycle, SRS send cycle: SRScycle, the least common multiple SmalComMul of three of 103；
Step 2, assignment n=0, i.e. from the first of DRX cycle cycle, starting point is that SFN (System Frame Number) is equal to 0；
Step 3, calculates YSRS1=ceil ((N+0+DRXcycle*n-SRSoffset)/SRScycle), wherein, ceil represents and rounds up；
Step 4, calculates YSRS2=floor ((N+Londuration+DRXcycle*n-SRSoffset)/SRScycle), wherein, floor represents and rounds downwards；
It should be noted that due in TDD onDurationTimer corresponding be descending PDCCH number of subframes, need to change into onDurationTimer the descending PDCCH number of subframes of correspondence during calculating；
Step 5, if YSRS1＜=YSRS2, then exit circulation, success, feedback is (yes), otherwise performs step 6；
Step 6, makes n=n+1；
Step 7, if n*DRXcycle＜ SmalComMul3, then perform step 3, otherwise search failure, feed back no (no).
Hereinafter the technique scheme of the embodiment of the present invention is illustrated.
Example 1
In this example, the business configuration DRX cycle that the UE in certain LTE community is carried out, arrange DRX cycle be 40ms, onduration be 10ms, CQI report cycle be 40ms, CQI sub-frame offset be 5, the RI cycle is 40ms, RI sub-frame offset is 6, and the SRS cycle is 20ms, and SRS is biased to 1；
Technical scheme configuration DRX cycle starting point according to embodiments of the present invention includes processing as follows:
Step 1, randomly generates a N, N=10, M=N between 0 to 39；
Step 2, it is determined that whether CQI had an opportunity to launch within the onduration time:
Step 21, calculates DRXcycle, CQI send cycle, the least common multiple of three of 10: 40；
Step 22, assignment n=0, i.e. from the first of DRX cycle, starting point is that SFN (System Frame Number) is equal to 0；
Step 23, calculates YCQI1=ceil ((10+0+40*0-5)/40)=1；
Step 24, calculates YCQI2=floor ((10+10+40*0-5)/40)=0；
Step 25, then YCQH＞ YCQI2, i.e. when DRX cycle starting point is 10, on the onduration of DRX cycle, DRX does not has send opportunity；Proceed to calculate, it is determined that the when that starting point being 11, if having CQI send opportunity, obtain remaining no.Traveling through successively according to step above obtains as N=35, and CQI has send opportunity in DRXonduration.
Step 3, it is determined that whether RI had an opportunity to launch within the onduration time, according to the flow process described in Fig. 5, during N=36, RI has an opportunity to launch；
Step 4, it is determined that whether SRS has launching opportunity in the range of DRXonduration.The flow process described according to Fig. 6, during N=36, calculates YSRS1=ceil ((36+0+40*0-1)/20)=2；Calculate YSRS2=floor ((36+10+40*0-1)/20)=2；
Step 5, YSRS1＜=YSRS2, so SRS has send opportunity in DRXonduration.
Step 6, determines that the DRXstartoffset of UE has found as N=36.
Can be seen that from above-mentioned process, it is determined that DRX cycle starting point is the position of 36, reconfiguring DRX cycle starting point by radio resource control (RadioResourceControl, referred to as RRC) is 36.
Example 2
In this example, due to business change, UE in certain LTE community is reconfigured DRX cycle, arrange DRX cycle be 80ms, onduration be 10ms, CQI report cycle is 40ms, CQI sub-frame offset is 5, the RI cycle be 80ms, RI sub-frame offset be 5, the SRS cycle is 20ms, and SRS is biased to 1；
Technical scheme configuration DRX cycle starting point according to embodiments of the present invention includes processing as follows:
Step 1, randomly generates a N, N=50, M=N between 0 to 79；
Step 2, it is determined that whether CQI had an opportunity to launch within the onduration time:
Step 21, calculates DRXcycle, CQI send cycle, the least common multiple of three of 10: 80；
Step 22, assignment n=0, i.e. from the first of DRX cycle cycle, starting point is that SFN (System Frame Number) is equal to 0；
Step 23, calculates YCQI1=ceil ((50+0+80*0-5)/40)=2；
Step 24, calculates YCQI2=floor ((50+10+80*0-5)/40)=1；
Step 25, then YCQI1＞ YCQI2, i.e. when DRX cycle starting point 50, on the onduration of DRX cycle, DRX does not has send opportunity；All of DRX cycle onduration:N=mod (N+1, LdrxCycle)=51；Proceed to calculate, it is determined that the when that starting point being 51, if having CQI send opportunity, obtain remaining no.Traveling through successively according to step above obtains as N=75, and CQI has send opportunity in DRXonduration.
Step 3, it is determined that whether RI had an opportunity to launch within the onduration time, according to the flow process described in Fig. 5, during N=76, RI has an opportunity to launch；
Step 4, it is determined that whether SRS has launching opportunity in the range of DRXonduration.The flow process described according to Fig. 6, during N=76, calculates YSRS1=ceil ((76+0+80*0-1)/20)=4；Calculate YSRS2=floor ((76+10+80*0-1)/20)=4；
Step 5, YSRS1＜=YSRS2, so SRS has send opportunity in DRXonduration.
Step 6, determines that the DRXstartoffset of UE has found as N=76.
Can be seen that from above-mentioned process, it is determined that DRX cycle starting point is the position of 76, reconfiguring DRX cycle starting point by RRC is 76.
Example 3
For when the CQI of UE, RI, SRS, DRX cycle have be not 10 the configuration of integral multiple time, the method in technical scheme is more for advantage.In this example, owing to the UE in certain LTE community carries out DRX configuration, simultaneously because some reason have modified CQI, SRS, RI parameter, now need to reappraise that whether DRX cycle starting point arranged is suitable.
Arrange DRX cycle be 40ms, onduration be 10ms, CQI report cycle be 40ms, CQI sub-frame offset be 5, the RI cycle be 40ms, RI sub-frame offset be 6, the SRS cycle is 20ms, and SRS is biased to 1；
Due to systematic function need, have modified the CQI cycle be 20ms, CQI sub-frame offset be 5, the RI cycle be 40ms, RI sub-frame offset be 6, the SRS cycle is 20ms, and SRS is biased to 1；
Technical scheme configuration DRX cycle starting point according to embodiments of the present invention includes processing as follows:
Step 1, randomly generates a N, N=13, M=N between 0 to 40；
Step 2, it is determined that whether CQI had an opportunity to launch within the onduration time:
Step 21, calculates DRXcycle, CQI send cycle, the least common multiple of three of 10: 40；
Step 22, assignment n=0, i.e. from the first of DRX cycle cycle, starting point is that SFN (System Frame Number) is equal to 0；
Step 23, calculates YCQI1=ceil ((13+0+40*0-5)/20)=1；
Step 24, calculates YCQI2=floor ((13+10+40*0-5)/20)=0；
Step 25, then YCQI1＞ YCQI2, i.e. when DRX cycle starting point is 13, on the onduration of DRX cycle, DRX does not has send opportunity；Proceed to calculate, it is determined that when starting point is 14, if having CQI send opportunity, obtain remaining no.Traveling through successively according to step above obtains as N=15, and CQI has send opportunity in DRXonduration.
Step 3, it is determined that whether RI had an opportunity to launch within the onduration time, according to the flow process described in Fig. 5, during N=15, RI has no chance to launch；Obtaining as N=36 according to rapid traversal successively above, RI has send opportunity in DRXonduration.
Step 4, it is determined that whether SRS has launching opportunity in the range of DRXonduration.The flow process described according to Fig. 6, during N=36, calculates YSRS1=ceil ((36+0+40*0-1)/20)=2；Calculate YSRS2=floor ((36+10+40*0-1)/20)=2；
Step 5, YSRS1＜=YSRS2, so SRS has send opportunity in DRXonduration.
Step 6, determines that the DRXstartoffset of UE has found as N=36.
From above-mentioned process it can be seen that DRX cycle starting point is the position of 36, reconfiguring DRX cycle starting point by RRC is 36.
In sum, technical scheme by means of the embodiment of the present invention, on the one hand resource utilization ratio can be greatly improved, avoid the problem that the utilization rate of improper caused system hardware load and the Radio Resource configured due to DRX cycle starting point is the highest, on the other hand ensure that CQI as far as possible, SRS, and RI has delivery time in the range of DRX cycle onDuration, ensure the ability of the channel quality of the assessment up-downgoing of system, for media access control layer (MediumAccessControl, referred to as MAC) scheduling, power control etc. is done and is inputted effectively and timely, the handling capacity of raising system and the susceptibility of user.
Device embodiment
According to embodiments of the invention, provide a kind of device determining discontinuous receiving cycle starting point, Fig. 7 is the structural representation of the device of the determination discontinuous receiving cycle starting point of the embodiment of the present invention, as shown in Figure 7, the device of determination discontinuous receiving cycle starting point according to embodiments of the present invention includes: assignment module 70, judge module 72 and processing module 74, is described in detail the modules of the embodiment of the present invention below.
Assignment module 70, is used for obtaining temporary variable N, and N is assigned to M, wherein, and 0≤N≤DRXcycle-1, DRXcycleRepresent DRX cycle length；
Judge module 72, for judging whether channel quality indicator (CQI), order instruction RI and detection reference signal SRS exists launching opportunity, if the judgment is Yes within the monitoring period of DRX cycle, then determine that DRX cycle starting point is N, end operation, otherwise, calls processing module 74；
Judge module 72 specifically includes: CQI judges that submodule, RI judge that submodule and SRS judge submodule.
CQI judges that submodule specifically includes:
First obtains submodule, for obtaining DRX cycle length DRX of user terminalcycle, monitor duration timer length information Londuration, CQI sub-frame offset CQIoffset, and CQI send cycle CQIcycle；
First determines submodule, is used for determining DRXcycle、CQIcycle, and the least common multiple SmalComMul of 101, and assignment n=0；
First calculating sub module, is used for calculating YCQIl=ceil ((N+0+DRXcycle*n-CQIoffset)/CQIcycle), YCQI2=floor ((N+Londuration+DRXcycle*n-CQIoffset)/CQIcycle), wherein, ceil is for rounding up, and floor is for round downwards, and judges YCQI1≤YCQI2Whether set up, if the judgment is Yes, it is determined that CQI exists launching opportunity within the monitoring period of DRX cycle, otherwise, call the first process submodule；
First processes submodule, is used for making n=n+1, and judges n*DRXcycle＜ SmalComMul1Whether setting up, if set up, then calling the first calculating sub module, if be false, it is determined that CQI does not exist launching opportunity within the monitoring period of DRX cycle.
RI judges that submodule specifically includes:
Second obtains submodule, for obtaining DRX cycle length DRX of user terminalcycle, monitor duration timer length information Londuration, RI sub-frame offset RIoffset, CQI sub-frame offset CQIoffset, CQI send cycle CQIcycle, and RI send cycle CQIcycle*MR, wherein, MRFor integer；
Second determines submodule, determines DRXcycle、CQIcycle*MR, and the least common multiple SmalComMul of 102, and assignment n=0；
Second calculating sub module, is used for calculating YRI1=ceil ((N+0+DRXcycle*n-CQIoffset-RIoffset)/CQIcycle*MR), YRI2=floor ((N+Londuration+DRXcycle*n-CQIoffset-RIoffset)/CQIcycle*MR), wherein, ceil is for rounding up, and floor is for round downwards, and judges YRI1≤YRI2Whether set up, if the judgment is Yes, it is determined that RI exists launching opportunity within the monitoring period of DRX cycle, otherwise, call the second process submodule；
Second processes submodule, is used for making n=n+1, and judges n*DRXcycle＜ SmalComMul2Whether setting up, if set up, then calling the second calculating sub module, if be false, it is determined that RI does not exist launching opportunity within the monitoring period of DRX cycle.
SRS judges that submodule specifically includes:
3rd obtains submodule, for obtaining DRX cycle length DRX of user terminalcycle, monitor duration timer length information Londuration, SRS biasing SRSoffset, and SRS send cycle SRScycle；
3rd determines submodule, determines DRXcycle、SRScycle, and the least common multiple SmalComMul of 103, and assignment n=0；
3rd calculating sub module, is used for calculating YSRS1=ceil ((N+0+DRXcycle*n-SRSoffset)/SRScycle), YSRS2=floor ((N+Londuration+DRXcycle*n-SRSoftset)/SRScycle), wherein, ceil is for rounding up, and floor is for round downwards, and judges YSRS1≤YSRS2Whether set up, if the judgment is Yes, it is determined that SRS exists launching opportunity within the monitoring period of DRX cycle, otherwise, call the 3rd process submodule；
3rd processes submodule, is used for making n=n+1, and judges n*DRXcycle＜ SmalComMul3Whether setting up, if set up, then calling the 3rd calculating sub module, if be false, it is determined that SRS does not exist launching opportunity within the monitoring period of DRX cycle.
Processing module 74, is used for making N=mod (N+1, DRXcycle), and judge that N, whether equal to M, if the judgment is Yes, then end operation, if the judgment is No, then calls judge module 72.
It should be noted that the embodiment of the present invention also includes: conversion module, for the L that will obtainondurationIt is converted into the physical downlink control channel PDCCH number of subframes of correspondence.
Below in conjunction with accompanying drawing, the technique scheme of the embodiment of the present invention is described in detail.
Technical scheme according to embodiments of the present invention, first obtains the DRX cycle of UE, monitors period (onduration) timer length information, the sub-frame offset of CQI, the cycle of CQI, the sub-frame offset of RI, the cycle of RI, the sub-frame offset of SRS, the cycle of SRS；Fig. 3 is the detailed process figure of the method for the determination discontinuous receiving cycle starting point of the embodiment of the present invention, as it is shown on figure 3, after obtaining above-mentioned information, need to be handled as follows:
Step 1, assignment module 70 is random [0, DRXcycle-1] producing temporary variable N in, and N is assigned to M, it should be noted that in embodiments of the present invention, random fashion can be to use equally distributed mode；
Step 2, it is judged that module 72 judges whether CQI has launching opportunity in the range of the onduration of DRX cycle, if the judgment is Yes, then performs step 3, otherwise, performs step 6；
Step 3, it is judged that module 72 judges whether RI has launching opportunity in the range of the onduration of DRX cycle, if the judgment is Yes, then performs step 4, otherwise, performs step 6；
Step 4, it is judged that module 72 judges whether SRS has launching opportunity in the range of the onduration of DRX cycle, if the judgment is Yes, then performs step 5, otherwise, performs step 6；
Step 5, it is judged that module 72 determines DRXStartOffsetThe DRX cycle starting point of=N, i.e. UE has found as N；Perform step 8；
Step 6, processing module 74 makes N=mod (N+1, DRXcycle), perform step 7；
In step 6, it should be noted that mod refers to that remainder operates, for example, it is assumed that DRXcycleBeing 5, N is 4, then the span of N is 0≤N≤4, then, in step 6, mod (4+1,5)=0.
Step 7, processing module 74 judges that N, whether equal to M, if the judgment is Yes, then performs step 8, otherwise performs step 2；
Step 8, end operation.
The following detailed description of how judging whether CQI, RI and SRS have launching opportunity in the range of the onduration of DRX cycle.
One, calculate whether CQI has launching opportunity in the range of the onduration of DRX cycle.
Fig. 4 is the flow chart whether the calculating CQI of the embodiment of the present invention has launching opportunity in the range of the onduration of DRX cycle, as shown in Figure 4, including processing as follows:
Step 1, first determines that submodule calculates DRXcycle, the CQI cycle, the least common multiple SmalComMul of three of 101；
Step 2, first determines submodule assignment n=0, i.e. from the first of DRX cycle cycle, and starting point is that SFN (System Frame Number) is equal to 0；
Step 3, the first calculating sub module calculates YCQI1=ceil ((N+0+DRXcycle*n-CQIcffset)/CQIcycle), wherein, ceil represents and rounds up；
Step 4, the first calculating sub module calculates YCQI2=floor ((N+Londuration+DRXcycle*n-CQIoffset)/CQIcycle), wherein, floor represents and rounds downwards；
It should be noted that, due to time division duplex (TimeDivisionDuplexing, referred to as TDD) system is monitored period timer (onDurationTimer) corresponding be downlink physical down control channel (physicaldownlinkcontrolchannel, referred to as PDCCH) number of subframes, therefore, need to change into onDurationTimer the descending PDCCH number of subframes of correspondence during calculating；
Step 5, if the first calculating sub module judges YCQI1＜=YCQI2, then exit circulation, success, feedback is (yes), otherwise performs step 6；
Step 6, first processes submodule makes n=n+1；
Step 7, if first processes submodule judgement n*DRXcycle＜ SmalComMul1, then perform step 3, otherwise search failure, feed back no (no).
Two, calculate whether RI has launching opportunity in the range of the onduration of DRX cycle.
Fig. 5 is the flow chart whether the calculating RI of the embodiment of the present invention has launching opportunity in the range of the onduration of DRX cycle, as it is shown in figure 5, include processing as follows:
Step 1, second determines that submodule calculates DRXcycle, RI send cycle: CQIcycle*MR, the least common multiple SmalComMul of three of 102；
Step 2, second determines submodule assignment n=0, i.e. from the first of DRX cycle cycle, and starting point is that SFN (System Frame Number) is equal to 0；
Step 3, the second calculating sub module calculates YRI1=ceil ((N+0+DRXcycle*n-CQIoffset-RIoffset)/CQIcycle*MR), wherein, ceil represents and rounds up；
Step 4, the second calculating sub module calculates YRI2=floor ((N+Londuration+ DRXcycle*n-CQIoffset-RIoffset)/CQIcycle*MR), wherein, floor represents and rounds downwards；
It should be noted that due in TDD onDurationTimer corresponding be descending PDCCH number of subframes, need to change into onDurationTimer the descending PDCCH number of subframes of correspondence during calculating；
Step 5, if the second calculating sub module judges YRI1＜=YRI2, then exit circulation, success, feedback is (yes), otherwise performs step 6；
Step 6, second processes submodule makes n=n+1；
Step 7, if second processes submodule judgement n*DRXcycle＜ SmalComMul2, then perform step 3, otherwise search failure, feed back no (no).
Three, calculate whether SRS has launching opportunity in the range of the onduration of DRX cycle.
Fig. 6 is the flow chart whether the calculating SRS of the embodiment of the present invention has launching opportunity in the range of the onduration of DRX cycle, as shown in Figure 6, including processing as follows:
Step 1, the 3rd determines that submodule calculates DRXcycle, SRS send cycle: SRScycle, the least common multiple SmalComMul of three of 103；
Step 2, the 3rd determines submodule assignment n=0, i.e. from the first of DRX cycle cycle, and starting point is that SFN (System Frame Number) is equal to 0；
Step 3, the 3rd calculating sub module calculates YSRS1=ceil ((N+0+DRXcycle*n-SRSoffset)/SRScycle), wherein, ceil represents and rounds up；
Step 4, the 3rd calculating sub module calculates YSRS2=floor ((N+Londuration+DRXcycle*n-SRSoffset)/SRScycle), wherein, floor represents and rounds downwards；
It should be noted that due in TDD onDurationTimer corresponding be descending PDCCH number of subframes, need to change into onDurationTimer the descending PDCCH number of subframes of correspondence during calculating；
Step 5, if the 3rd calculating sub module judges YSRS1＜=YSRS2, then exit circulation, success, feedback is (yes), otherwise performs step 6；
Step 6, the 3rd processes submodule makes n=n+1；
Step 7, if the 3rd processes submodule judgement n*DRXcycle＜ SmalComMul3, then perform step 3, otherwise search failure, feed back no (no).
Hereinafter the technique scheme of the embodiment of the present invention is illustrated.
Example 1
In this example, the business configuration DRX cycle that the UE in certain LTE community is carried out, arrange DRX cycle be 40ms, onduration be 10ms, CQI report cycle be 40ms, CQI sub-frame offset be 5, the RI cycle is 40ms, RI sub-frame offset is 6, and the SRS cycle is 20ms, and SRS is biased to 1；
Technical scheme configuration DRX cycle starting point according to embodiments of the present invention includes processing as follows:
Step 1, randomly generates a N, N=10, M=N between 0 to 39；
Step 2, it is determined that whether CQI had an opportunity to launch within the onduration time:
Step 21, calculates DRXcycle, CQI send cycle, the least common multiple of three of 10: 40；
Step 22, assignment n=0, i.e. from the first of DRX cycle, starting point is that SFN (System Frame Number) is equal to 0；
Step 23, calculates YCQI1=ceil ((10+0+40*0-5)/40)=1；
Step 24, calculates YCQI2=floor ((10+10+40*0-5)/40)=0；
Step 25, then YCQI1＞ YCQI2, i.e. when DRX cycle starting point is 10, on the onduration of DRX cycle, DRX does not has send opportunity；Proceed to calculate, it is determined that the when that starting point being 11, if having CQI send opportunity, obtain remaining no.Traveling through successively according to step above obtains as N=35, and CQI has send opportunity in DRXonduration.
Step 3, it is determined that whether RI had an opportunity to launch within the onduration time, according to the flow process described in Fig. 5, during N=36, RI has an opportunity to launch；
Step 4, it is determined that whether SRS has launching opportunity in the range of DRXonduration.The flow process described according to Fig. 6, during N=36, calculates YSRS1=ceil ((36+0+40*0-1)/20)=2；Calculate YSRS2=floor ((36+10+40*0-1)/20)=2；
Step 5, YSRS1＜=YSRS2, so SRS has send opportunity in DRXonduration.
Step 6, determines that the DRXstartoffset of UE has found as N=36.
Can be seen that from above-mentioned process, it is determined that DRX cycle starting point is the position of 36, reconfiguring DRX cycle starting point by radio resource control (RadioResourceControl, referred to as RRC) is 36.
Example 2
In this example, due to business change, UE in certain LTE community is reconfigured DRX cycle, arrange DRX cycle be 80ms, onduration be 10ms, CQI report cycle is 40ms, CQI sub-frame offset is 5, the RI cycle be 80ms, RI sub-frame offset be 5, the SRS cycle is 20ms, and SRS is biased to 1；
Technical scheme configuration DRX cycle starting point according to embodiments of the present invention includes processing as follows:
Step 1, randomly generates a N, N=50, M=N between 0 to 79；
Step 2, it is determined that whether CQI had an opportunity to launch within the onduration time:
Step 21, calculates DRXcycle, CQI send cycle, the least common multiple of three of 10: 80；
Step 22, assignment n=0, i.e. from the first of DRX cycle cycle, starting point is that SFN (System Frame Number) is equal to 0；
Step 23, calculates YCQI1=ceil ((50+0+80*0-5)/40)=2；
Step 24, calculates YCQI2=floor ((50+10+80*0-5)/40)=1；
Step 25, then YCQI1＞ YCQI2, i.e. when DRX cycle starting point 50, on the onduration of DRX cycle, DRX does not has send opportunity；All of DRX cycle onduration:N=mod (N+1, LdrxCycle)=51；Proceed to calculate, it is determined that the when that starting point being 51, if having CQI send opportunity, obtain remaining no.Traveling through successively according to step above obtains as N=75, and CQI has send opportunity in DRXonduration.
Step 3, it is determined that whether RI had an opportunity to launch within the onduration time, according to the flow process described in Fig. 5, during N=76, RI has an opportunity to launch；
Step 4, it is determined that whether SRS has launching opportunity in the range of DRXonduration.The flow process described according to Fig. 6, during N=76, calculates YSRS1=ceil ((76+0+80*0-1)/20)=4；Calculate YSRS2=floor ((76+10+80*0-1)/20)=4；
Step 5, YSRS1＜=YSRS2, so SRS has send opportunity in DRXonduration.
Step 6, determines that the DRXstartoffset of UE has found as N=76.
Can be seen that from above-mentioned process, it is determined that DRX cycle starting point is the position of 76, reconfiguring DRX cycle starting point by RRC is 76.
Example 3
For when the CQI of UE, RI, SRS, DRX cycle have be not 10 the configuration of integral multiple time, the method in technical scheme is more for advantage.In this example, owing to the UE in certain LTE community carries out DRX configuration, simultaneously because some reason have modified CQI, SRS, RI parameter, now need to reappraise that whether DRX cycle starting point arranged is suitable.
Arrange DRX cycle be 40ms, onduration be 10ms, CQI report cycle be 40ms, CQI sub-frame offset be 5, the RI cycle be 40ms, RI sub-frame offset be 6, the SRS cycle is 20ms, and SRS is biased to 1；
Due to systematic function need, have modified the CQI cycle be 20ms, CQI sub-frame offset be 5, the RI cycle be 40ms, RI sub-frame offset be 6, the SRS cycle is 20ms, and SRS is biased to 1；
Technical scheme configuration DRX cycle starting point according to embodiments of the present invention includes processing as follows:
Step 1, randomly generates a N, N=13, M=N between 0 to 40；
Step 2, it is determined that whether CQI had an opportunity to launch within the onduration time:
Step 21, calculates DRXcycle, CQI send cycle, the least common multiple of three of 10: 40；
Step 22, assignment n=0, i.e. from the first of DRX cycle cycle, starting point is that SFN (System Frame Number) is equal to 0；
Step 23, calculates YCQIl=ceil ((13+0+40*0-5)/20)=1；
Step 24, calculates YCQI2=floor ((13+10+40*0-5)/20)=0；
Step 25, then YCQI1＞ YCQI2, i.e. when DRX cycle starting point is 13, on the onduration of DRX cycle, DRX does not has send opportunity；Proceed to calculate, it is determined that when starting point is 14, if having CQI send opportunity, obtain remaining no.Traveling through successively according to step above obtains as N=15, and CQI has send opportunity in DRXonduration.
Step 3, it is determined that whether RI had an opportunity to launch within the onduration time, according to the flow process described in Fig. 5, during N=15, RI has no chance to launch；Obtaining as N=36 according to rapid traversal successively above, RI has send opportunity in DRXonduration.
Step 4, it is determined that whether SRS has launching opportunity in the range of DRXonduration.The flow process described according to Fig. 6, during N=36, calculates YSRS1=ceil ((36+0+40*0-1)/20)=2；Calculate YSRS2=floor ((36+10+40*0-1)/20)=2；
Step 5, YSRS1＜=YSRS2, so SRS has send opportunity in DRXonduration.
Step 6, determines that the DRXstartoffset of UE has found as N=36.
From above-mentioned process it can be seen that DRX cycle starting point is the position of 36, reconfiguring DRX cycle starting point by RRC is 36.
In sum, technical scheme by means of the embodiment of the present invention, on the one hand resource utilization ratio can be greatly improved, avoid the problem that the utilization rate of improper caused system hardware load and the Radio Resource configured due to DRX cycle starting point is the highest, on the other hand ensure that CQI as far as possible, SRS, and RI has delivery time in the range of DRX cycle onDuration, ensure the ability of the channel quality of the assessment up-downgoing of system, for media access control layer (MediumAccessControl, referred to as MAC) scheduling, power control etc. is done and is inputted effectively and timely, the handling capacity of raising system and the susceptibility of user.
Although being example purpose, having been disclosed for the preferred embodiments of the present invention, those skilled in the art will be recognized by various improvement, increases and replace also is possible, and therefore, the scope of the present invention should be not limited to above-described embodiment.
Claims (4)
1. the method determining discontinuous reception DRX period starting point, it is characterised in that including:
Step 1, obtains temporary variable N, and N is assigned to M, wherein, and 0≤N≤DRXcycle-1, DRXcycleRepresent DRX cycle length；
Step 2, it is judged that whether channel quality indicator (CQI), order instruction RI and detection reference signal SRS exists launching opportunity within the monitoring period of DRX cycle, if the judgment is Yes, then performs step 3, otherwise, performs step 4；Wherein, it is judged that whether CQI exists launching opportunity within the monitoring period of DRX cycle specifically includes:
Step 211, obtains DRX cycle length DRX of user terminalcycle, monitor duration timer length information Londuration, CQI sub-frame offset CQIoffset, and CQI send cycle CQIcycle；
Step 212, determines DRXcycle、CQIcycle, and the least common multiple SmalComMul of 101, and assignment n=0；
Step 213, calculates YCQI1=ceil ((N+0+DRXcycle*n-CQIoffset)/CQIcycle), YCQI2=floor ((N+Londuration+DRXcycle*n-CQIoffset)/CQIcycle), wherein, ceil is for rounding up, and floor is for round downwards, and judges YCQI1≤YCQI2Whether set up, if the judgment is Yes, then perform step 214, otherwise, perform step 215；
Step 214, determines that CQI exists launching opportunity within the monitoring period of DRX cycle；
Step 215, makes n=n+1, and judges n*DRXcycle<SmalComMul1Whether setting up, if set up, then performing step 213, if be false, it is determined that CQI does not exist launching opportunity within the monitoring period of DRX cycle；
Judge whether RI exists launching opportunity within the monitoring period of DRX cycle and specifically include:
Step 221, obtains DRX cycle length DRXcycle of user terminal, monitors duration timer length information Londuration, RI sub-frame offset RIoffset, CQI sub-frame offset CQIoffset, CQI send cycle CQIcycle and RI send cycle CQIcycle*MR, wherein, MR is integer；
Step 222, determines the least common multiple SmalComMul2 of DRXcycle, CQIcycle*MR and 10, and assignment n=0；
Step 223, calculates YRI1=ceil ((N+0+DRXcycle*n-CQIoffset-RIoffset)/CQIcycle*MR), YRI2=floor ((N+Londuration+DRXcycle*n-CQIoffset-RIoffset)/CQIcycle*MR), wherein, ceil is for rounding up, and floor is for round downwards, and judges YRI1≤YRI2Whether set up, if the judgment is Yes, then perform step 224, otherwise, perform step 225；
Step 224, determines that RI exists launching opportunity within the monitoring period of DRX cycle；
Step 225, makes n=n+1, and judges n*DRXcycle<SmalComMul2Whether setting up, if set up, then performing step 223, if be false, it is determined that RI does not exist launching opportunity within the monitoring period of DRX cycle；
Judge whether SRS exists launching opportunity within the monitoring period of DRX cycle and specifically include:
Step 231, obtains DRX cycle length DRXcycle of user terminal, monitors duration timer length information Londuration, SRS biasing SRSoffset and SRS send cycle SRScycle；
Step 232, determines the least common multiple SmalComMul3 of DRXcycle, SRScycle and 10, and assignment n=0；
Step 233, calculates YSRS1=ceil ((N+0+DRXcycle*n-SRSoffset)/SRScycle), YSRS2=floor ((N+Londuration+ DRXcycle*n-SRSoffset)/SRScycle), wherein, ceil is for rounding up, and floor is for round downwards, and judges whether YSRS1≤YSRS2 sets up, and if the judgment is Yes, then performs step 234, otherwise, performs step 235；
Step 234, determines that SRS exists launching opportunity within the monitoring period of DRX cycle；
Step 235, makes n=n+1, and judges whether n*DRXcycle < SmalComMul3 sets up, if set up, then performs step 233, if be false, it is determined that SRS does not exist launching opportunity within the monitoring period of DRX cycle；
Step 3, determines that DRX cycle starting point is N, end operation；
Step 4, makes N=mod (N+1, DRXcycle), and judge that N, whether equal to M, if the judgment is Yes, then end operation, if the judgment is No, then performs step 2.
2. the method for claim 1, it is characterised in that obtain LondurationAfterwards, described method also includes:
By LondurationIt is converted into the physical downlink control channel PDCCH number of subframes of correspondence.
3. the device determining discontinuous reception DRX period starting point, it is characterised in that including:
Assignment module, is used for obtaining temporary variable N, and N is assigned to M, wherein, and 0≤N≤DRXcycle-1, DRXcycleRepresent DRX cycle length；
Judge module, for judging whether channel quality indicator (CQI), order instruction RI and detection reference signal SRS exists launching opportunity, if the judgment is Yes within the monitoring period of DRX cycle, then determine that DRX cycle starting point is N, end operation, otherwise, calls processing module；Described judge module specifically includes: CQI judges that submodule, RI judge that submodule, SRS judge submodule:
Described CQI judges that submodule specifically includes:
First obtains submodule, for obtaining DRX cycle length DRX of user terminalcycle, monitor duration timer length information Londuration, CQI sub-frame offset CQIoffset, and CQI send cycle CQIcycle；
First determines submodule, is used for determining DRXcycle、CQIcycle, and the least common multiple SmalComMul of 101, and assignment n=0；
First calculating sub module, is used for calculating YCQI1=ceil ((N+0+DRXcycle*n-CQIoffset)/CQIcycle), YCQI2=floor ((N+Londuration+DRXcycle*n-CQIoffset)/CQIcycle), wherein, ceil is for rounding up, and floor is for round downwards, and judges YCQI1≤YCQI2Whether set up, if the judgment is Yes, it is determined that CQI exists launching opportunity within the monitoring period of DRX cycle, otherwise, call the first process submodule；
Described first processes submodule, is used for making n=n+1, and judges n*DRXcycle<SmalComMul1Whether setting up, if set up, then calling described first calculating sub module, if be false, it is determined that CQI does not exist launching opportunity within the monitoring period of DRX cycle；
Described RI judges that submodule specifically includes:
Second obtains submodule, for obtaining DRX cycle length DRX of user terminalcycle, monitor duration timer length information Londuration, RI sub-frame offset RIoffset, CQI sub-frame offset CQIoffset, CQI send cycle CQIcycle, and RI send cycle CQIcycle*MR, wherein, MRFor positive integer；
Second determines submodule, determines DRXcycle、CQIcycle*MR, and the least common multiple SmalComMul of 102, and assignment n=0；
Second calculating sub module, is used for calculating YRI1=ceil ((N+0+DRXcycle*n-CQIoffset-RIoffset)/CQIcycle*MR), YRI2=floor ((N+Londuration+DRXcycle*n-CQIoffset-RIoffset)/CQIcycle*MR), wherein, ceil is for rounding up, and floor is for round downwards, and judges YRI1≤YRI2Whether set up, if the judgment is Yes, it is determined that RI exists launching opportunity within the monitoring period of DRX cycle, otherwise, call the second process submodule；
Described second processes submodule, is used for making n=n+1, and judges n*DRXcycle<SmalComMul2Whether setting up, if set up, then calling described second calculating sub module, if be false, it is determined that RI does not exist launching opportunity within the monitoring period of DRX cycle；
Described SRS judges that submodule specifically includes:
3rd obtains submodule, for obtaining DRX cycle length DRX of user terminalcycle, monitor duration timer length information Londuration, SRS biasing SRSoffset, and SRS send cycle SRScycle；
3rd determines submodule, determines DRXcycle、SRScycle, and the least common multiple SmalComMul of 103, and assignment n=0；
3rd calculating sub module, is used for calculating YSRS1=ceil ((N+0+DRXcycle*n-SRSoffset)/SRScycle), YSRS2=floor ((N+Londuration+DRXcycle*n-SRSoffset)/SRScycle), wherein, ceil is for rounding up, and floor is for round downwards, and judges YSRS1≤YSRS2Whether set up, if the judgment is Yes, it is determined that SRS exists launching opportunity within the monitoring period of DRX cycle, otherwise, call the 3rd process submodule；
Described 3rd processes submodule, is used for making n=n+1, and judges n*DRXcycle<SmalComMul3Whether setting up, if set up, then calling described 3rd calculating sub module, if be false, it is determined that SRS does not exist launching opportunity within the monitoring period of DRX cycle；
Described processing module, is used for making N=mod (N+1, DRXcycle), and judge that N, whether equal to M, if the judgment is Yes, then end operation, if the judgment is No, then calls described judge module.
4. device as claimed in claim 3, it is characterised in that described device also includes:
Conversion module, for the L that will obtainondurationIt is converted into the physical downlink control channel PDCCH number of subframes of correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210115654.XA CN103378959B (en) | 2012-04-19 | 2012-04-19 | Determine the method and device of discontinuous receiving cycle starting point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210115654.XA CN103378959B (en) | 2012-04-19 | 2012-04-19 | Determine the method and device of discontinuous receiving cycle starting point |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103378959A CN103378959A (en) | 2013-10-30 |
| CN103378959B true CN103378959B (en) | 2016-08-03 |
Family
ID=49463549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210115654.XA Active CN103378959B (en) | 2012-04-19 | 2012-04-19 | Determine the method and device of discontinuous receiving cycle starting point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103378959B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790881B (en) * | 2014-12-16 | 2020-03-27 | 中兴通讯股份有限公司 | Method and device for determining starting point of discontinuous reception cycle |
| CN109922542B (en) * | 2017-12-12 | 2020-12-04 | 大唐移动通信设备有限公司 | Connection state DRX configuration method and device |
| CN112491525B (en) * | 2020-11-26 | 2022-07-22 | 杭州红岭通信息科技有限公司 | Physical resource allocation method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102316560A (en) * | 2010-07-06 | 2012-01-11 | 中兴通讯股份有限公司 | Device and method for dynamically configuring discontinuous reception |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8279817B2 (en) * | 2008-11-03 | 2012-10-02 | Htc Corporation | Method of managing discontinuous reception offset in a wireless communications system and related communication device |
-
2012
- 2012-04-19 CN CN201210115654.XA patent/CN103378959B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102316560A (en) * | 2010-07-06 | 2012-01-11 | 中兴通讯股份有限公司 | Device and method for dynamically configuring discontinuous reception |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103378959A (en) | 2013-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104219738B (en) | Discontinuous reception parameters collocation method and device | |
| CN108270536B (en) | Monitoring indication and monitoring method and device | |
| KR101664279B1 (en) | Controlling method and apparatus for discontinuous reception in a wireless communication system | |
| EP3520521B1 (en) | Active time handling with 2-step granting | |
| CN101932023B (en) | The discontinuous reception method of carrier aggregation, dispatching method and device | |
| CN104812032A (en) | Method and device for using DRX in non-authorized frequency band | |
| CN108307406B (en) | Discontinuous reception method and related device | |
| CN104041104B (en) | The method and apparatus for preserving the PLMN information of user equipment in a wireless communication system | |
| CN101938841B (en) | A kind of ascending resource acquisition methods, dispatching method, Apparatus and system | |
| EP3228129A1 (en) | Wake-up for d2d communication | |
| CN104871635A (en) | A wireless device, a radio network node and methods for discontinuous reception in device to device communications | |
| CN101998474A (en) | Method and device for judging wireless link failure in carrier wave aggregation technology | |
| CN110089159B (en) | Method and apparatus for discontinuous reception | |
| CN109429306B (en) | Communication method and terminal equipment | |
| CN111757498B (en) | Method and device for monitoring PDCCH | |
| US20200092805A1 (en) | Reception scheme | |
| KR20100051024A (en) | Method of improving discontinuous reception functionality and related communication device | |
| CN107079311A (en) | Dynamic uplink/downlink configuration | |
| CN105101472A (en) | DRX coordination mechanism in dual connection system | |
| JP7298771B2 (en) | Communications system | |
| CN110557807B (en) | Method for carrying out communication in sleep state of terminal and terminal | |
| US9565631B2 (en) | Method and arrangement for controlling discontinuous reception by a user equipment | |
| CN102595606B (en) | A kind of method, system and equipment configured and perform discontinuous reception | |
| CN109863780A (en) | Application method, device, equipment and the system of power save signal pattern | |
| CN103378959B (en) | Determine the method and device of discontinuous receiving cycle starting point |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201224 Address after: 215163 8 Jinfeng Road, science and Technology City, Suzhou high tech Zone, Jiangsu Patentee after: Suzhou Medical Device Industry Development Co.,Ltd. Address before: 518057 Ministry of justice, Zhongxing building, South Science and technology road, Nanshan District hi tech Industrial Park, Shenzhen, Guangdong Patentee before: ZTE Corp. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215163 8 Jinfeng Road, science and Technology City, Suzhou high tech Zone, Jiangsu Patentee after: Suzhou Medical Device Industry Development Group Co.,Ltd. Address before: 215163 8 Jinfeng Road, science and Technology City, Suzhou high tech Zone, Jiangsu Patentee before: Suzhou Medical Device Industry Development Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |