CN102281614B - The processing method that a kind of mobile terminal sleeping wakes up - Google Patents
The processing method that a kind of mobile terminal sleeping wakes up Download PDFInfo
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- 238000011084 recovery Methods 0.000 claims description 28
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- 238000012958 reprocessing Methods 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 description 7
- 101150039363 SIB2 gene Proteins 0.000 description 6
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- 230000002093 peripheral effect Effects 0.000 description 2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides the processing method that a kind of mobile terminal sleeping wakes up, UE understands system message at the idling mode and obtains the positional information that the subframe of the System information block of type is determined in each carrying, and compare with the position of PICH place subframe, when there being carrying to determine that the distance of the subframe of the System information block of type and PICH place subframe is in particular range, reconstruct obtains the carrying of this subframe and determines the particular physical channel of the System information block of type corresponding symbol Standard Map position, and utilize this symbol Standard Map position to export with the joint-detection of target code channel is balanced in this subframe TSO time slot the frequency calibration carried out based on standard symbol signal reconstruct, realize Frequency Synchronization to recover.Frequency Synchronization when method of the present invention utilizes the system information known to carry out sleep awakening is recovered, and improves the synchronous restorability of UE sleep awakening when significantly not increasing UE power consumption.
Description
Technical field
The present invention relates to third generation electricity saving of mobile terminal technology, be related specifically to the processing method that a kind of mobile terminal sleeping wakes up
Background technology
In Time Division-Synchronous Code Division Multiple Access (being called for short, TD-SCDMA) system, mobile terminal (being called for short, UE) has two basic operator schemes: idle pulley and connection mode.The UE being in idle pulley is identified by Non-Access Stratum.Without any the information of UE under independent idle pulley in TD-SCDMA system, network can only carry out addressing, and UE all in community or all UE monitoring same paging occasions sends message.
Under UE is in idle pulley, before initiating wireless heterogeneous networks (being called for short, RRC) connection establishment application, usually comprise following working contents:
-receive system message from public land mobile network (be called for short, PLMN)
-monitor paging
-cell reselection
Wherein, described system message receives the information analysis based on persistent district Primary Common Control Physical Channel (being called for short, PCCPCH), and depends on the notice of paging Class1 message, described paging Class1 message bearing is in paging channel (being called for short, PCH); Paging is monitored successively based on the information analysis of Page Indication Channel (being called for short, PICH) with paging channel; Cell reselection triggers according to the measurement result of this community and adjacent cell Primary Common Control Physical Channel received signal code power (being called for short, PCCPCHRSCP); In addition, for RRC connection establishment provides support, the measurement of Serving cell each downlink slot interfering signal of time code power (being called for short, ISCP) is also needs.
Visible, under idle pulley, the steady job task of UE mainly measure and Serving cell descending time slot ISCP measures by paging monitoring and cell reselection, and determine whether operating state to be migrated to RRC connection mode or renewal system message, and determine whether initiate cell reselection according to measurement result according to paging snoop results.
Described paging monitoring and cell reselection measure that task normally periodically performs according to the high-rise time interval of specifying, and described appointment execution cycle (paging cycle and measuring period, according to 3GPPTS25.123, measuring period is the integral multiple of paging cycle) average handling time of described required by task is completed much larger than UE.That is, at the idling mode, UE is in idling conditions without task by there being the plenty of time.Obviously, described idling conditions is the significant wastage to UE resource and power consumption.
Given this, current main flow UE solution in turn introduces new UE mode of operation a---sleep pattern.Described sleep pattern is defined as: when UE is in the idling conditions without task, and UE closes high-frequency work clock, peripheral Analog Baseband device, radio-frequency devices etc., only uses low-frequency clock to carry out work, to reach the power saving object under idling conditions.Sleep pattern will terminate before task arrives, the described end time usually with PICH time of advent for foundation, described ending method is the operating state recovering stable high frequency clock, peripheral Analog Baseband device, radio-frequency devices etc., and relevant operation is called sleep awakening.
After the sleep of certain hour, by the impact of the factors such as wireless propagation environment change, operational environment (as temperature, humidity etc.) change, low-frequency clock precision, the timing between UE and serving BS will inevitably be affected with Frequency Synchronization relation.Therefore, the primary Processing tasks of UE sleep awakening is exactly realize and the synchronous recovery between base station, to ensure that paging is monitored and the reliability measured.
According to the regulation of third generation affiliate (being called for short, 3GPP) TS25.331 specification, in TD-SCDMA system, system message element is placed in " system information block (being called for short, SIB) " to carry out broadcasting.A system information block will have ejusdem generis system information elements and combine.Different system information blocks can have different features, such as, and the different and read apparatus block of information and the requirement that produces UE is different of attaching most importance to of repetition rate.
System message organizes by the form of " tree ".One " host system message block (abbreviation, MIB) " gives " reference and the schedule information " of many system information blocks in a community.Alternatively, host system message block also can comprise reference and the schedule information of one or two " Scheduling Block (be called for short, SB) ", and Scheduling Block provides reference and schedule information for additional system information block.The schedule information of a system information block only can be contained in a Master Information Block or in a Scheduling Block.The schedule information of arbitrary System information block is all accurately known by the information analysis of MIB, SB.
For being for all system information blocks except 15.2,15.3 and 16 except type, content when using the system information block of mark (being called for short, valuetag) at every turn to occur when identifying constant is identical.System information block 15.2,15.3 and 16 can occur repeatedly with different contents.In this case, for the appearance of each system information block provides schedule information.
The SIB type comprising identification information comprises: SIB1, SIB2, SIB3, SIB4, SIB5, SIB6, SIB11, SIB12, SIB13, SIB13.1, SIB13.2, SIB13.3, SIB13.4, SIB15, SIB15.1, SIB15.2, SIB15.3, SIB15.4, SIB15.5, SIB16, SIB18.
Defined by following parameter in the scheduling of each system information block of a broadcast channel (being called for short, BCH) upper broadcast:
The quantity (being called for short, SEG_COUNT) of-segmentation;
-the repetition period (being called for short, SIB_REP).All segmentations use same value;
The position (be called for short, SIB_POS (0)) of-first paragraph in Cell System Frame Number (being called for short, SFN) cycle period.Because system information block repeats according to cycle SIB_REP, therefore for all segmentations, its position in Cell System Frame Number cycle period (is called for short, SIB_POS (i)) value must be less than SIB_REP, wherein i=0,1,2 ... SEG_COUNT-1.
-by index ascending order tactic " skew of subsequent segment " (be called for short, SIB_OFF (i), i=1,2 ... SEG_COUNT-1).Following formula is used to come the position of calculated for subsequent section: SIB_POS (i)=SIB_POS (i-1)+SIB_OFF (i).
Scheduling based on SFN, if occurred on a certain frame a system information block a certain particular fragments i (i=0,1,2 ... SEG_COUNT-1), so the SFN of this frame should meet following relation:
SFNmodSIB_REP＝SIB_POS(i)
The scheduling of Master Information Block is fixing, SIB_POS=0, SIB_REP=8,16,32, SEG_COUNT=0.Network can apply the some values in allowed multiple Master Information Block repetition periods.The value that network uses is not apprised of, and UE must be determined by repetition test and error detection.
The respectively BCH channel of " System information block (containing MIB, SB) segmentation " corresponding Transmission Time Interval (being called for short, TTI), BCH channel mapping is in physical channel PCCPCH.BCH channel TTI is 20ms, that is, chnnel coding and the multiplexing scheme of the PCCPCH channel foundation 3GPPTS25.222 of totally 4 subframes had under its command in the 20ms time carry described System information block.
In prior art, under typical UE idle pulley, sleep and wake up process method flow are as shown in Figure 1:
1, before UE sleeps under idle pulley, according to 3GPPTS25.304 relevant regulations, the time point that next PICH arrives is precalculated; At this moment, some basis upper conversion device settling time and algnment recovery time, can know the triggered time of UE sleep awakening;
2, UE enters sleep in m subframe, calculates according to the aforementioned triggered time, wakes up in the (n-1)th subframe, and it is stable to complete device;
3, from the n-th subframe, UE receives TS0midamble or DwPTS and implements Timing Synchronization estimation;
4, in the n-th+p-1 subframe, UE completion timing is synchronously estimated, and guides the Timing Synchronization of subsequent data reception to adjust;
5, in the n-th+p subframe, UE monitors and resolves PICH, the RSCP measurement of foundation measurement control order service implementation community dominant frequency point each subdistrict beaconing channel and each descending time slot ISCP of Serving cell dominant frequency point and measures;
6, from the n-th+p+1 subframe, UE implements each subdistrict beaconing channel RSCP of pilot frequency point according to measurement control order and measures; Adjacent area to be measured frequency point information is from system broadcasts, and frequency sum (containing Serving cell frequency) is freqNum;
According to PICH snoop results and cell measurement results, UE carries out follow-up associative operation.
From sleeping under aforementioned UE idle pulley and waking workflow up, in unit paging cycle, the operating time of UE is:
1 (device settling time)+p (Timing Synchronization recovery time)+1 (PICH listening period)+(dominant frequency point measurement time)+(pilot frequency point Measuring Time), unit is subframe; Because dominant frequency point measurement, Timing Synchronization recover to consider certain information sharing, general, the UE operating time, except device is stable, except the consumption of pilot frequency point Measuring Time, depending on signal quality, can be controlled in 10ms ~ 20ms usually.
And for Frequency Synchronization during sleep awakening, the Frequency Synchronization scheme of current main flow controls (to be called for short based on automatic frequency usually, convergence mechanism during AFC) long, when acquisition does not know information in advance, require higher for controlling estimate variance to data available use amount, typical data collects duration as 80ms, 160ms etc., and described requirement means the significant prolongation operating time for controlling the UE of power consumption under expecting idle condition, saves original intention deviate from mutually with power consumption;
The applicant, in the Chinese patent application " a kind of automatic frequency calibration steps of TD-SCDMA system and device " (patent No. is 200910191639.1) proposed on November 27th, 2009, proposes a kind of frequency calibration scheme based on standard symbol signal reconstruct:
Steps A, implements channel estimating, channel estimating reprocessing and joint-detection to target time slot each in this TTI, obtains the equilibrium of target code channel joint-detection and exports, and this target code channel joint-detection equilibrium is exported and exports as the equilibrium of primary signal target code channel joint-detection;
Step B, exports the equilibrium of target code channel joint-detection and carries out demodulation, obtain demodulation Soft Inform ation;
Whether step C, carries out demultiplexing and decoding process to described demodulation Soft Inform ation, and check the cyclic redundancy check (CRC) result after process correct;
Step D, the TTI correct to check results, reconstruct the Standard Map position of symbolic information after the coding of its Coded Combined Transport Channel, multiplexing, modulation;
Step e, the Standard Map position utilizing the equilibrium of primary signal target code channel joint-detection to export and reconstruct is carried out TTI residual frequency departure and is estimated that FOE estimates;
Step F, upgrades automatic frequency control AFC adjustment amount according to the FOE estimated value of TTI each in measurement period; Step G, according to the AFC adjustment amount after renewal, carries out local oscillator adjustment or software correction;
The program (is called for short for the Coded Combined Transport Channel of correct decoding, CCTrCH, form by one or more transmission channel coding is multiplexing) decoding output, reconstruct the Standard Map position of symbolic information after the coding/multiplexes/modulates of described Coded Combined Transport Channel, the conventional AFC scheme of effective solution based on the frequency deviation estimation scheme estimated performance of the balanced output symbol judgement of joint-detection to the heavy dependence defect of symbol decision accuracy, successful control data use amount; Described scheme can be low to moderate TTI level to the requirement of data use amount, use the program to carry out Frequency Synchronization and recover can reduce required time loss to a great extent, but the program employs the signal reconstruct of CCTrCH; In an idle state can the transmission channel BCH corresponding TTI time be 20ms, the synchronous recovery scheme operating time after the existing UE sleep awakening that still may be multiplied, affect power consumption saving effect.
For these reasons, when considering UE sleep awakening, the tolerance of scheduled operation to Frequency Synchronization deviation is higher simultaneously, and prior art is selected when UE sleep awakening not carry out Frequency Synchronization, better to reduce the power consumption of UE usually.
Obviously, prior art does not carry out Frequency Synchronization processing method when sleep awakening will inevitably affect the synchronous restorability of UE when sleep awakening, monitors impact with the reliability measured UE paging.
Summary of the invention
In view of this, the present invention proposes the processing method of a kind of mobile terminal at sleep awakening, under the prerequisite significantly not increasing UE power consumption, improve the performance that mobile terminal synchronization recovers.
Technical scheme of the present invention is:
1, UE is according to serving cell system message, obtains the position that each System information block has physical channel place subframe under its command;
If 2 have carrying to determine that the subframe of the System information block of type is positioned at (PICH place subframe-T) ~ (PICH place subframe+T) time range the time of advent, UE selects within the scope of this, carry the subframe of the System information block determining type a time of advent, this subframe, as particular system message blocks, is carried the physical channel of particular system message blocks as particular physical channel by the System information block carried;
Wherein, T is that UE measures required time in this wakeup process small area;
If 3 UE did not implement reconstruct to this particular system message blocks, then reconstruct the Standard Map position of symbolic information after the coding/multiplexes/modulates of Coded Combined Transport Channel corresponding to this particular system message blocks, obtain the symbol Standard Map positional information that particular physical channel is corresponding;
4, the sleep awakening time is set according to the position relationship of PICH place subframe and described particular physical channel place subframe;
5, UE wakes up at the wakeup time of setting, completes device and stablizes and Timing Synchronization recovery;
6, UE implements channel estimating, channel estimating reprocessing and joint-detection to the TSO time slot of described particular physical channel place subframe, utilize the equilibrium of the joint-detection of target code channel in this time slot to export the frequency calibration carrying out based on standard symbol signal reconstruct in the symbolic information Standard Map position corresponding with described particular physical channel, realize Frequency Synchronization recovery;
7, UE carries out PICH monitoring and cell measurement;
Wherein, described System information block is except type is the System information block comprising identification information except 15.2,15.3 and 16.
Preferably, the subframe that described UE selects carry the System information block determining type a time of advent within the scope of this comprises:
If it is late PICH subframe time of advent to have the subframe carrying the System information block determining type the time of advent within the scope of this to occur, the subframe of the System information block of type is determined in the carrying that UE selects a time of occurrence to be no earlier than PICH subframe time of advent.
Preferably, the subframe that described UE selects carry the System information block determining type a time of advent within the scope of this comprises:
If PICH place subframe carries the System information block determining type, UE selects PICH place subframe.
Preferably, the subframe that described UE selects carry the System information block determining type a time of advent within the scope of this comprises:
If the cycle having the subframe carrying the System information block determining type the time of advent within the scope of this to occur is less than or equal to PICH paging cycle, the subframe of the System information block of type is determined in UE select one to occur carrying that the cycle is less than or equal to PICH paging cycle.
The described position relationship according to PICH place subframe and described particular physical channel place subframe sets the sleep awakening time and comprises further; If described particular physical channel place subframe arrived before the subframe of PICH place, UE set this sleep awakening time be particular physical channel place subframe the time of advent-(device settling time+Timing Synchronization recovery time); Otherwise UE set this sleep awakening time be PICH place subframe the time of advent-(device settling time+Timing Synchronization recovery time).
The characteristic that technical scheme of the present invention utilizes the information content of System information block to know, coupling system message blocks sets the sleep awakening time time of advent, because the Frequency Synchronization after sleep awakening is recovered to implement under knowing network side transmission content prerequisite, the processing procedure of the technical program after sleep awakening be not compared with carrying out the processing procedure of Frequency Synchronization recovery, determine that the subframe of the System information block of type and the position relationship of PICH place subframe determine whether to carry out Frequency Synchronization recovery according to carrying, when there being carrying to determine that the subframe of the System information block of type is positioned at PICH place subframe-T ~ PICH place subframe+T time scope the time of advent, achieve the Frequency Synchronization after sleep awakening to recover, and at most shift to an earlier date a subframe wake or delay a sub-frame end flow process up than the flow process of waking up of not carrying out Frequency Synchronization recovery in time, synchronous restorability after effectively raising UE sleep awakening when guarantee does not significantly increase UE power consumption.Meanwhile, if carry in PICH place subframe the System information block determining type, the preferred technical solution of the present invention achieves UE Frequency Synchronization when not increasing UE power consumption is recovered.
Accompanying drawing explanation
Fig. 1 is prior art UE sleep awakening work for the treatment of sequential chart
Fig. 2 is the specific embodiment of the invention 1 sleep awakening work for the treatment of sequential chart
Fig. 3 is the specific embodiment of the invention 2 sleep awakening work for the treatment of sequential chart
Fig. 4 is the specific embodiment of the invention 3 sleep awakening work for the treatment of sequential chart
Embodiment
For clearly demonstrating technical scheme of the present invention, providing preferred embodiment below and being described with reference to the accompanying drawings.
Specific embodiment 1
The UE sleep awakening handling process of this specific embodiment is as shown in Figure 2:
The UE of the present embodiment completes the time that needs 1 subframe stablized by device, and Timing Synchronization recovers the time needing p subframe;
1, at the idling mode, UE receives and understands system message, obtains the position that each System information block has physical channel place subframe under its command;
2, UE judges whether to carry and determines that subframe time of advent of the System information block of type is in particular range, if had, performs step 3, otherwise performs step 9
Wherein, described particular range is, PICH place subframe-T ~ PICH place subframe+T time scope; T is that UE measures required time in this wakeup process small area;
In the present embodiment, before having the subframe PICH place subframe carrying MIB in particular range, fixing appearance, has the space before of the subframe PICH place subframe carrying SIBl in particular range to occur;
Wherein, described fixedly occur referring to determine that the cycle that the subframe of the System information block of type occurs is less than or equal to PICH paging cycle in particular range carrying, described interval occurs referring to that cycle that carrying determines that the subframe of the System information block of type occurs is the integral multiple of PICH paging cycle;
3, UE selects in particular range, carry the subframe of the System information block determining type a time of advent, and this subframe, as particular system message blocks, is carried the physical channel of particular system message blocks as particular physical channel by the System information block carried;
In the present embodiment, UE selects the subframe of the carrying MIB of the time of advent in particular range;
If 4 UE did not implement reconstruct to this particular system message blocks, then reconstruct the Standard Map position of symbolic information after the coding/multiplexes/modulates of Coded Combined Transport Channel corresponding to this particular system message blocks, obtain the symbol Standard Map positional information that particular physical channel is corresponding;
Wherein, UE judges whether implementing to reconstruct to this system information block before by the type of this particular system block of information and segmentation;
In the present embodiment, reconstruct was not carried out to MIB before UE, UE reconstructs the Standard Map position of symbolic information after the coding/multiplexes/modulates of Coded Combined Transport Channel corresponding to MIB in this step, obtains the symbol Standard Map positional information that particular physical channel is corresponding;
5, UE sets the sleep awakening time according to the position relationship of PICH place subframe and described particular physical channel place subframe;
In the present embodiment, carrying MIB particular physical channel place subframe be positioned at this sleep awakening handling process PICH monitor before, UE set the sleep awakening time be carrying MIB particular physical channel place subframe the time of advent-(device settling time+Timing Synchronization recovery time) namely, the n-th+p-(1+p)=n-1 subframe;
Wherein, this PICH time of advent is the n-th+p+3 subframe, and the particular physical channel place subframe of carrying MIB is the n-th+p subframe,
6, UE enters sleep pattern, and wakes up at the wakeup time of setting, completes device and stablizes and Timing Synchronization recovery;
In the present embodiment, UE enters sleep in m subframe, according to the time of setting, stable during the (n-1)th subframe is waken up and completed, and synchronously recovers in the n-th subframe ~ n-th+p-1 subframe completion timing;
7, UE implements channel estimating, channel estimating reprocessing and joint-detection to the TSO time slot of particular physical channel place subframe, utilize the equilibrium of the joint-detection of target code channel in this time slot to export the frequency calibration carrying out based on standard symbol signal reconstruct in the symbolic information Standard Map position corresponding with described particular physical channel, realize Frequency Synchronization recovery;
In the present embodiment, UE carries out Frequency Synchronization recovery in the n-th+p subframe;
8, UE carries out measuring and PICH monitoring, completes this sleep awakening process.
UE carries out each frequency measurement in the n-th+p+1 ~ n-th+p+mearSubframeNum subframe, wherein, in the n-th+p+3 subframe at PICH place, UE carries out PICH monitoring and common frequency measurement simultaneously, carry out different-frequency measure at other for the subframe measured, described mearSubframeNum is the number of sub frames that this wake-up period UE plans for measuring.
9, UE set the sleep awakening time be PICH the time of advent-(device settling time+Timing Synchronization recovery time), enter sleep pattern, wake up when wakeup time arrives, carry out that device is stable, Timing Synchronization recovers, PICH monitors and measure, complete this sleep awakening process.
In the present embodiment, the carrying of UE in the time of advent in particular range determines that the subframe of the preferably fixing carrying mib information block occurred in the subframe of the System information block of type carries out Frequency Synchronization recovery, use on the one hand fixing occur subframe can carry out Frequency Synchronization recovery when can be implemented in each sleep awakening, further increase Frequency Synchronization restorability, on the other hand, the possibility that the content of mib information block changes is less, like this, the number of times that block of information is reconstructed can be reduced, reduce implementation complexity, raise the efficiency.
Specific embodiment 2
The UE sleep awakening handling process of this specific embodiment is as shown in Figure 3:
The UE of the present embodiment completes the time that needs 1 subframe stablized by device, and Timing Synchronization recovers the time needing p subframe;
1, at the idling mode, UE receives and understands system message, obtains the position that each System information block has physical channel place subframe under its command;
2, UE judges whether to carry and determines that subframe time of advent of the System information block of type is in particular range, if had, performs step 3, otherwise performs step 9
Wherein, described particular range is, PICH place subframe-T ~ PICH place subframe+T time scope; T is that UE measures required time in this wakeup process small area;
In the present embodiment, the subframe of carrying SIB2 is had to occur having the subframe carrying SIB11 in particular range to occur at the space before of PICH place subframe in PICH place sub-frame interval;
Wherein, described fixedly occur referring to determine that the cycle that the subframe of the System information block of type occurs is less than or equal to PICH paging cycle in particular range carrying, described interval occurs referring to that cycle that carrying determines that the subframe of the System information block of type occurs is the integral multiple of PICH paging cycle;
3, UE selects in particular range, carry the subframe of the System information block determining type a time of advent, and this subframe, as particular system message blocks, is carried the physical channel of particular system message blocks as particular physical channel by the System information block carried;
In the present embodiment, UE selects the subframe of the carrying SIB2 of the time of advent in particular range;
If 4 UE did not implement reconstruct to this particular system message blocks, then reconstruct the Standard Map position of symbolic information after the coding/multiplexes/modulates of Coded Combined Transport Channel corresponding to this particular system message blocks, obtain the symbol Standard Map positional information that particular physical channel is corresponding;
Wherein, UE judges whether implementing to reconstruct to this system information block before by the type of this particular system block of information and segmentation;
In the present embodiment, UE was carrying out reconstruct to SIB2 before, and UE is no longer reconstructed in this step, and the symbol Standard Map positional information that the particular physical channel that before directly using, reconstruct obtains is corresponding;
5, UE sets the sleep awakening time according to PICH place subframe and described particular physical channel place subframe relation;
In the present embodiment, the particular physical channel place subframe of carrying SIB2 is identical with the PICH place subframe of this sleep awakening handling process, UE set the sleep awakening time be PICH the time of advent-(device settling time+Timing Synchronization recovery time) namely, the n-th+p-(1+p)=n-1 subframe;
Wherein, this PICH time of advent is the n-th+p subframe;
Step 6 is identical with specific embodiment 1;
7, UE implements channel estimating, channel estimating reprocessing and joint-detection to the TSO time slot of particular physical channel place subframe, utilize the equilibrium of the joint-detection of target code channel in this time slot to export the frequency calibration carrying out based on standard symbol signal reconstruct in the symbolic information Standard Map position corresponding with described particular physical channel, realize Frequency Synchronization recovery;
In the present embodiment, UE carries out Frequency Synchronization recovery in the n-th+p subframe, meanwhile, also completes PICH monitor and common frequency measurement in this subframe;
8, UE carries out different-frequency measure, completes this sleep awakening process.
UE carries out different frequent point measurement in the n-th+p+1 ~ the mearSubframeNum-1 subframe, and wherein said mearSubframeNum is the number of sub frames that this wake-up period UE plans for measuring.
Step 9 is identical with specific embodiment 1.
In the present embodiment, the UE preferred time of advent, the subframe of the carrying SIB2 in particular range carried out Frequency Synchronization recovery, because this subframe overlaps with PICH place subframe, therefore, UE is while realizing the recovery of sleep awakening Frequency Synchronization in the present embodiment, the sleep awakening processing time can not be increased, the power consumption of UE can not be increased.
Specific embodiment 3
The UE sleep awakening handling process of this specific embodiment is as shown in Figure 4:
The UE of the present embodiment completes the time that needs 1 subframe stablized by device, and Timing Synchronization recovers the time needing p subframe;
1, at the idling mode, UE receives and understands system message, obtains the position that each System information block has physical channel place subframe under its command;
2, UE judges whether to carry and determines that subframe time of advent of the System information block of type is in particular range, if had, performs step 3, otherwise performs step 10
Wherein, described particular range is, PICH place subframe-T ~ PICH place subframe+T time scope; T is that UE measures required time in this wakeup process small area;
In the present embodiment, there is the subframe of carrying SIBl2 to occur in PICH place subframe-T ~ PICH place sub-frame interval, have the subframe of carrying SIB13 to occur between PICH place subframe ~ PICH place subframe+T;
Wherein, described fixedly occur referring to determine that the cycle that the subframe of the System information block of type occurs is less than or equal to PICH paging cycle in particular range carrying, described interval occurs referring to that cycle that carrying determines that the subframe of the System information block of type occurs is the integral multiple of PICH paging cycle;
3, UE selects in particular range, carry the subframe of the System information block determining type a time of advent, and this subframe, as particular system message blocks, is carried the physical channel of particular system message blocks as particular physical channel by the System information block carried;
In the present embodiment, UE selects the subframe of the carrying SIB13 of the time of advent in particular range;
4, UE reconstructs the Standard Map position of symbolic information after the coding/multiplexes/modulates of Coded Combined Transport Channel corresponding to this particular system message blocks, obtains the symbol Standard Map positional information that particular physical channel is corresponding;
In the present embodiment, UE reconstructs the Standard Map position of symbolic information after the coding/multiplexes/modulates of Coded Combined Transport Channel corresponding to SIB13 in this step, obtains the symbol Standard Map positional information that particular physical channel is corresponding;
5, UE sets the sleep awakening time according to PICH place subframe and described particular physical channel place subframe relation;
In the present embodiment, carrying SIB13 particular physical channel place subframe be positioned at the PICH place subframe of this sleep awakening handling process after, UE set the sleep awakening time be PICH the time of advent-(device settling time+Timing Synchronization recovery time) namely, the n-th+p-(1+p)=n-1 subframe;
Wherein, this PICH time of advent is the n-th+p subframe; The particular physical channel place subframe of carrying SIB13 is the n-th+p+3 subframe;
Step 6 is identical with specific embodiment 1;
7, UE carries out PICH monitoring and common frequency measurement in the n-th+p subframe; The different-frequency measure of two alien frequencies frequencies is carried out respectively in the n-th+p+1 subframe and the n-th+p+2 subframe;
8, UE implements channel estimating, channel estimating reprocessing and joint-detection to the TSO time slot of particular physical channel place subframe, utilize the equilibrium of the joint-detection of target code channel in this time slot to export the frequency calibration carrying out based on standard symbol signal reconstruct in the symbolic information Standard Map position corresponding with described particular physical channel, realize Frequency Synchronization recovery;
In the present embodiment, UE carries out Frequency Synchronization recovery in the n-th+p+3 subframe;
9, in the n-th+p+4 subframe ~ n-th+p+mearSubframeNum subframe, UE carries out the different-frequency measure of other alien frequencies frequencies, completes this sleep awakening process; Wherein said mearSubframeNum is the number of sub frames that this wake-up period UE plans for measuring.
Step 10 is identical with the step 9 of specific embodiment 1.
It will be apparent to those skilled in the art that and understand, the inventive method for above embodiment only for illustration of the present invention, and be not limited to the present invention.Although effectively describe the present invention by embodiment; those skilled in the art will know that; there is many changes and do not depart from spirit of the present invention in the present invention; when not deviating from spirit of the present invention and essence thereof; those skilled in the art are when making various corresponding change or distortion according to the inventive method, but these change accordingly or distortion all belongs to claims of the present invention.
Claims (4)
1. the processing method waken up of mobile terminal sleeping, mobile terminal UE was waken up in the setting sleep awakening time, and carry out device and stablize, Timing Synchronization recovers, and Page Indication Channel PICH monitors and cell measurement, it is characterized in that, also comprises:
UE, according to serving cell system message, obtains the position that each System information block has physical channel place subframe under its command;
If there is carrying to determine that the subframe of the System information block of type is positioned at (PICH place subframe-T) ~ (PICH place subframe+T) time range the time of advent, UE selects within the scope of this, carry the subframe of the System information block determining type a time of advent, this subframe, as particular system message blocks, is carried the physical channel of particular system message blocks as particular physical channel by the System information block carried;
Wherein, T is that UE measures required time in this wakeup process small area;
If UE did not implement reconstruct to this particular system message blocks, then reconstruct the Standard Map position of symbolic information after the coding/multiplexes/modulates of Coded Combined Transport Channel corresponding to this particular system message blocks, obtain the symbol Standard Map positional information that particular physical channel is corresponding;
UE sets the sleep awakening time according to the position relationship of PICH place subframe and described particular physical channel place subframe, if described particular physical channel place subframe arrived before the subframe of PICH place, UE set this sleep awakening time be particular physical channel place subframe the time of advent-(device settling time+Timing Synchronization recovery time); Otherwise UE set this sleep awakening time be PICH place subframe the time of advent-(device settling time+Timing Synchronization recovery time);
UE implements channel estimating, channel estimating reprocessing and joint-detection to the TS0 time slot of described particular physical channel place subframe, utilize the equilibrium of the joint-detection of target code channel in this time slot to export the frequency calibration carrying out based on standard symbol signal reconstruct in the symbolic information Standard Map position corresponding with described particular physical channel, realize Frequency Synchronization recovery;
Wherein, described System information block is except type is the System information block comprising identification information except 15.2,15.3 and 16.
2. the processing method waken up of a kind of mobile terminal sleeping according to claim 1, it is characterized in that, the subframe that described UE selects carry the System information block determining type a time of advent within the scope of this comprises:
If it is late PICH subframe time of advent to have the subframe carrying the System information block determining type the time of advent within the scope of this to occur, the subframe of the System information block of type is determined in the carrying that UE selects a time of occurrence to be no earlier than PICH subframe time of advent.
3. the processing method waken up of a kind of mobile terminal sleeping according to claim 2, it is characterized in that, the subframe that described UE selects carry the System information block determining type a time of advent within the scope of this comprises:
If PICH place subframe carries the System information block determining type, UE selects PICH place subframe.
4. the processing method waken up of a kind of mobile terminal sleeping according to claim 1, it is characterized in that, the subframe that described UE selects carry the System information block determining type a time of advent within the scope of this comprises:
If the cycle having the subframe carrying the System information block determining type the time of advent within the scope of this to occur is less than or equal to PICH paging cycle, the subframe of the System information block of type is determined in UE select one to occur carrying that the cycle is less than or equal to PICH paging cycle.
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| US9854516B2 (en) * | 2014-07-31 | 2017-12-26 | Texas Instruments Incorporated | Slot skipping techniques for reduced power consumption in time slotted channel hopping MAC protocol |
| CN106162843B (en) * | 2015-04-22 | 2019-04-05 | 展讯通信（上海）有限公司 | WCDMA mobile terminal cell synchronous method and device |
| CN107851858B (en) * | 2015-07-06 | 2020-10-09 | 三洋电机株式会社 | Battery pack and discharge control method for secondary battery |
| CN109041017B (en) * | 2018-08-24 | 2021-06-25 | 锐迪科（重庆）微电子科技有限公司 | Terminal sleep awakening synchronous recovery method and device |
| US11950016B2 (en) | 2020-04-15 | 2024-04-02 | Mediatek Inc. | Control method and circuitry of receiver |
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| CN1968049A (en) * | 2005-11-16 | 2007-05-23 | 大唐移动通信设备有限公司 | Synchronization method and device after terminal dormancy awaken of TD_SCDMA mobile phone |
| CN101646231A (en) * | 2009-08-26 | 2010-02-10 | 重庆重邮信科通信技术有限公司 | Timing recovery method for mobile terminal sleeping awakening in TD-SCDMA system |
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| CN1968049A (en) * | 2005-11-16 | 2007-05-23 | 大唐移动通信设备有限公司 | Synchronization method and device after terminal dormancy awaken of TD_SCDMA mobile phone |
| CN101646231A (en) * | 2009-08-26 | 2010-02-10 | 重庆重邮信科通信技术有限公司 | Timing recovery method for mobile terminal sleeping awakening in TD-SCDMA system |
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