CN103220708A - Method, device and system for measurement report of long-term evolution frequency points - Google Patents
Method, device and system for measurement report of long-term evolution frequency points Download PDFInfo
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Abstract
The invention discloses a method, a device and a system for measurement report of long-term evolution frequency points. The method comprises the following steps: a terminal in a universal mobile telecommunication system (UMTS) public connection state receives frequency point information and a maximum measurement report time value of a long term evolution (LTE) frequency point to be measured from a radio network controller (RNC), wherein the maximum measurement report time value is the longest time value which is allocated by the RNC to the terminal and used for the measurement report of the LTE frequency point to be measured, and the maximum measurement report time value corresponds to the time needed by the terminal for measuring the single LTE frequency point to be measured; and then the terminal carries out the measurement report of the LTE frequency point to be measured according to the frequency point information in the maximum measurement report time value. According to the method, the device and the system for the measurement report of the long-term evolution frequency points, the terminal in the public connection state carries out the measurement report of the LTE frequency point to be measured in the maximum measurement report time value which is allocated by the RNC so that the RNC can obtain wireless quality information of the LTE frequency point to be measured, and therefore the reliable movement of the terminal from a UMTS to an LTE system is guaranteed.
Description
Technical field
The present invention relates to the communications field, measure report method, Apparatus and system in particular to a kind of Long Term Evolution frequency.
Background technology
At universal mobile telecommunications system (Universal Mobile Telecommunications System, abbreviate UMTS as) in the 3G network, universal land radio access web (Universal Terrestrial Radio Access Network, abbreviate UTRAN as) comprise radio network controller (Radio Network Controller abbreviates RNC as) and two kinds of basic network elements of base station node B (NB).At Long Term Evolution (Long Term Evolution, abbreviate LTE as) in the 4G network, evolved universal land radio access web (Evoluted Universal Terrestrial Radio Access Network abbreviates E-UTRAN as) comprises a kind of basic network element of evolved base station eNodeB (eNB).Operator with the 3G UMTS network disposed in the long process of 4G LTE network evolution, a very long time must be arranged, two kinds of systems exist and collaborative work simultaneously, bearing jointly from or mail to the task of the descending or up user data transmission of mobile core network one side.Such as: there are two carrier frequency point resource F1, F2 in certain operator, F1 is distributed to 3G UMTS network operation use, and uses and F2 is distributed to the 4GLTE network operation.Possesses the terminal (dual-mode terminal of 3G and 4G access function simultaneously for certain, possesses the ability that realizes that in 3G or 4G network service district transfer of data and wireless signal are measured), if on UMTS F1 frequency, be in Idle state or paging attitude in certain Serving cell, can be by based on the mode of different priorities other sub-district gravity treatment, gravity treatment is to the target F2 frequency in certain suitable LTE Serving cell; And if terminal is in proprietary connected state CELL_DCH, then can pass through interdepartmental system switching flow, switch on the target F2 frequency in certain suitable LTE Serving cell, in handoff procedure, the 4G radio bearer of new carrying user application data will rebulid in target LTE sub-district, and the 3G radio bearer of old carrying user application data will be deleted in UMTS sub-district, source.
In the UMTS system, along with the appearance of a large amount of smart mobile phones with " always-on " low discharge business such as (being connected as PoC, Push email and VPN), the application of CELL_FACH will be more and more widely, and terminal also will be long more at the residence time of CELL_FACH.For above-mentioned those transmission are frequent but the background business that data volume is less or have the service application of heartbeat feature move terminal repeating also improper between CELL_DCH and CELL_FACH state.For fear of frequent Radio Resource control (Radio Resource Control, abbreviate RRC as) the impact that network capacity is become with the performance row of signaling that state transitions produced, terminal will reside under the CELL_FACH state for a long time, finish these professional supports by wireless public resource.Because under the CELL_FACH state, terminal need be monitored the data-signal of common down channel always, the idle opportunity (Measurement Occasions measures idle) of therefore measuring descending pilot frequency is very limited.Keeping terminal under the constant situation of original measurement idle frequence and quantity under the FACH state, terminal at first needs to consume a part and measures idle to measuring with the neighbor cell of frequency and pilot frequency point in the UMTS system, this part can not be omitted, otherwise can have influence on terminal at the intrasystem travelling performance of UMTS, sub-district gravity treatment failure, the of short duration phenomenon (Out of Service) of leaving service area appear such as meeting.Therefore network must guarantee under the prerequisite that terminal travelling performance in the UMTS system does not reduce or trace reduces, the limited measurement free time is rescheduled distribution, a part is used for measuring in the original UMTS system to terminal, and a part is used for the measurement of the LTE aims of systems frequency of new needs in addition.
Terminal will reside under the CELL_FACH state for a long time, need monitor the data-signal of common down channel always, the idle opportunity of therefore measuring descending pilot frequency is very limited, only can carry out limited measurement, and can not measure any frequency of LTE system to the more intrasystem frequencies of UMTS.If therefore terminal is in public connected state CELL_FACH for a long time, because terminal or network are without any the wireless quality information of target LTE frequency, also do not have standardized technology can realize that terminal moves reliably from 3G to the 4G system at present, gravity treatment or switching flow are all not all right.
Summary of the invention
The invention provides a kind of Long Term Evolution frequency and measure report method, Apparatus and system, be in public connected state for a long time to solve terminal at least, its idle opportunity of measuring descending pilot frequency is limited, can not measure and report any frequency of LTE system, cause terminal to move to the problem that the reliability of LTE system reduces from the UMTS system.
According to an aspect of the present invention, provide a kind of Long Term Evolution frequency to measure report method, comprise: the terminal that is in the public connected state of UMTS receives from the frequency point information of the LTE frequency to be measured of RNC and maximum the measurement and reports time value, wherein, maximum measure that to report time value be the maximum duration value that measurement reports to LTE frequency to be measured that is used for that RNC gives terminal distribution, and to measure the required time of single LTE frequency to be measured corresponding with terminal; Terminal reports in the maximum measurement that measurement reports to LTE frequency to be measured according to frequency point information in the time value.
Preferably, terminal reports in the time value in the maximum measurement that measurement reports and comprises to LTE frequency to be measured according to frequency point information: report in the time value in the maximum measurement, terminal is determined the reporting uplink signaling message that self is triggered; Terminal reports the measurement result of LTE frequency to be measured with the road in the process of reporting uplink signaling message.
Preferably, terminal reports in the time value in the maximum measurement that measurement reports also and comprises to LTE frequency to be measured according to frequency point information: the maximum measurement reports time value then, terminal is opened up signaling message, and wherein the up signaling message of Kai Qiing is used to report the measurement result of LTE frequency to be measured.
Preferably, terminal reports in the time value in the maximum measurement that measurement reports and comprises to LTE frequency to be measured according to frequency point information: terminal according to the measurement result of LTE frequency to be measured by well to bad order, LTE frequency to be measured is sorted; The maximum measurement reports time value then, the measurement result of the one or more the preceding LTE frequencies to be measured of terminal to report ordering.
Preferably, under terminal also receives situation from the maximum measuring time value of RNC, wherein, the maximum measuring time value is the maximum duration value that LTE frequency to be measured is measured of being used for that RNC gives terminal distribution, and with terminal to measure the required time of single LTE frequency to be measured corresponding, terminal reports in the time value in the maximum measurement that measurement reports and comprises to LTE frequency to be measured according to frequency point information: according to frequency point information each the LTE frequency to be measured in the LTE frequency to be measured is measured respectively in the time span of terminal at five equilibrium, wherein to be the maximum measuring time value calculate divided by the number of LTE frequency to be measured the time span of five equilibrium; Terminal reports in the maximum measurement that the measurement result to LTE frequency to be measured reports in the time value.
Preferably, the terminal that is in the public connected state of UMTS receive from the frequency point information of the LTE frequency to be measured of RNC and maximum measure report time value after, said method also comprises: terminal is set to TRUE with the corresponding state variable of LTE frequency to be measured; Report in the time value according to frequency point information after measurement reports to LTE frequency to be measured in the maximum measurement in terminal, said method also comprises: the terminal state variable is set to FALSE.
According to a further aspect in the invention, provide a kind of Long Term Evolution frequency to measure report method, comprise: radio network controller (RNC) receives the ability information from the terminal that is in the public connected state of UMTS, and wherein ability information is used for indicating terminal and measures the single required time of LTE frequency to be measured; RNC sends the frequency point information of LTE frequency to be measured and reports time value with corresponding maximum measurement of ability information to terminal, wherein, maximumly measure that to report time value be the maximum duration value that measurement reports to LTE frequency to be measured that is used for that RNC gives terminal distribution.
Preferably, RNC to terminal send LTE frequency to be measured frequency point information and with ability information corresponding maximum measure report time value after, said method also comprises: RNC receives the measurement result of the LTE frequency to be measured of terminal to report; RNC determines that according to measurement result one or more LTE frequencies are as the target LTE frequency in the LTE system in LTE frequency to be measured; RNC is with the target LTE frequency of terminal transfer in the LTE system.
According to an aspect of the present invention, provide a kind of Long Term Evolution frequency to measure reporting device, be applied to terminal, comprise: receiver module, the frequency point information and maximum measurement that are used for when terminal is in the public connected state of UMTS receiving from the LTE frequency to be measured of radio network controller (RNC) report time value, wherein, maximum measure that to report time value be the maximum duration value that measurement reports to LTE frequency to be measured that is used for that RNC gives terminal distribution, and to measure the required time of single LTE frequency to be measured corresponding with terminal; Measure reporting module, be used for reporting that measurement reports to LTE frequency to be measured according to frequency point information in the time value in the maximum measurement.
According to a further aspect in the invention, provide a kind of Long Term Evolution frequency to measure reporting device, be applied to RNC, comprise: receiver module, be used to receive the ability information from the terminal that is in the public connected state of UMTS, wherein ability information is used for indicating terminal and measures the single required time of LTE frequency to be measured; Sending module, be used for sending the frequency point information of LTE frequency to be measured and reporting time value with corresponding maximum measurement of ability information to terminal, wherein, maximumly measure that to report time value be the maximum duration value that measurement reports to LTE frequency to be measured that is used for that RNC gives terminal distribution.
In accordance with a further aspect of the present invention, provide a kind of Long Term Evolution frequency to measure reporting system, comprise terminal and RNC, RNC comprises: first receiver module, be used to receive the ability information from the terminal that is in the public connected state of UMTS, wherein ability information is used for indicating terminal and measures the single required time of LTE frequency to be measured; Sending module, be used for sending the frequency point information of LTE frequency to be measured and reporting time value with corresponding maximum measurement of ability information to terminal, wherein, maximumly measure that to report time value be the maximum duration value that measurement reports to LTE frequency to be measured that is used for that RNC gives terminal distribution; Terminal comprises: second receiver module, the frequency point information and maximum measurement that are used for receiving when terminal is in the public connected state of UMTS from the LTE frequency to be measured of RNC report time value, wherein, maximum measure that to report time value be the maximum duration value that measurement reports to LTE frequency to be measured that is used for that RNC gives terminal distribution, and to measure the required time of single LTE frequency to be measured corresponding with terminal; Measure reporting module, be used for reporting that measurement reports to LTE frequency to be measured according to frequency point information in the time value in the maximum measurement.
Among the present invention, the terminal that is in public connected state reports in the maximum measurement that measurement reports to LTE frequency to be measured in the time value, make RNC still can know the wireless quality information of LTE frequency, thereby guaranteed reliable move of this terminal from the UMTS system to the LTE system.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is a flow chart one of measuring report method according to the Long Term Evolution frequency of the embodiment of the invention;
Fig. 2 is a flowchart 2 of measuring report method according to the Long Term Evolution frequency of the embodiment of the invention;
Fig. 3 is a flow chart of measuring report method according to the Long Term Evolution frequency of the preferred embodiment of the present invention one;
Fig. 4 is a flow chart of measuring report method according to the Long Term Evolution frequency of the preferred embodiment of the present invention two;
Fig. 5 is a structured flowchart of measuring reporting device (end side) according to the Long Term Evolution frequency of the embodiment of the invention;
Fig. 6 is that the Long Term Evolution frequency is measured the structured flowchart one of reporting device (end side) according to the preferred embodiment of the invention;
Fig. 7 is that the Long Term Evolution frequency is measured the structured flowchart two of reporting device (end side) according to the preferred embodiment of the invention;
Fig. 8 is that the Long Term Evolution frequency is measured the structured flowchart three of reporting device (end side) according to the preferred embodiment of the invention;
Fig. 9 is that the Long Term Evolution frequency is measured the structured flowchart four of reporting device (end side) according to the preferred embodiment of the invention;
Figure 10 is a structured flowchart of measuring reporting device (RNC side) according to the Long Term Evolution frequency of the embodiment of the invention;
Figure 11 is that the Long Term Evolution frequency is measured the structured flowchart of reporting device (RNC side) according to the preferred embodiment of the invention;
Figure 12 is a structured flowchart of measuring reporting system according to the Long Term Evolution frequency of the embodiment of the invention.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
The invention provides a kind of Long Term Evolution frequency and measure report method, Fig. 1 is a flow chart one of measuring report method according to the Long Term Evolution frequency of the embodiment of the invention, as shown in Figure 1, comprises that following step S102 is to step S104.
Step S102, the terminal that is in the public connected state of UMTS receives from the frequency point information of the LTE frequency to be measured of RNC and maximum the measurement and reports time value, wherein, maximum measure that to report time value be the maximum duration value that measurement reports to LTE frequency to be measured that is used for that RNC gives terminal distribution, and to measure the required time of single LTE frequency to be measured corresponding with terminal.
Step S104, terminal reports in the maximum measurement that measurement reports to LTE frequency to be measured according to frequency point information in the time value.
In the correlation technique, if this terminal is in public connected state for a long time, its idle opportunity of measuring descending pilot frequency is limited, cause and to measure and report any frequency of LTE system, like this, moving to the process of LTE system from the UMTS system, this terminal can't guarantee that the reliable of this terminal move.In the embodiment of the invention, the terminal that is in public connected state reports in the maximum measurement that measurement reports to LTE frequency to be measured in the time value, make RNC still can know the wireless quality information of LTE frequency, thereby guaranteed reliable move of this terminal from the UMTS system to the LTE system.Above-mentioned terminal is measured the single required time of LTE frequency to be measured, and promptly the ability information of terminal will be introduced in the back.
Whether terminal reports time value (being designated as Tmax_rept) above maximum the measurement by reporting delay timer to calculate.Terminal receive from the frequency point information of the LTE frequency to be measured of RNC and maximum measure report time value after, start and report delay timer to carry out timing.
Above-mentioned steps S104 comprises: report in the time value in the maximum measurement, terminal is determined the reporting uplink signaling message that self is triggered; Terminal reports the measurement result of LTE frequency to be measured with the road in the process of reporting uplink signaling message.In this preferred embodiment, if in above-mentioned public connected state measuring process, terminal has been triggered up signaling message by any reason, and then terminal stops the measurement to the LTE frequency immediately, and the frequency point information that has write down reported RNC with the road according to the order of sequence, report delay timer to stop timing.
Because under the public connected state, terminal can't report the measurement result of LTE target frequency (when must wait until up signaling usually usually in time, just report) with the road, so network can not utilize these may for a long time expired measurement result information fully reliably, for the subsequent movement behavior makes a decision.So among the present invention, if terminal is never triggered any upstream message by reason arbitrarily, then terminal continues the LTE frequency is measured, the frequency point information by possible up signaling message report complete documentation with the road afterwards.If report before delay timer Tmax_rept overflows, terminal is not also by the up signaling message report with the road, and terminal will be opened special in reporting the upstream message of LTE frequency measurement result by force so.So above-mentioned steps S104 comprises: the maximum measurement reports time value then, and terminal is opened up signaling message, and wherein the up signaling message of Kai Qiing is used to report the measurement result of LTE frequency to be measured.Like this, reach maximum and measure when reporting time value, open the up signaling message that is exclusively used in the measurement result that reports the LTE frequency, guaranteed the real-time that the measurement result of LTE frequency reports.
Above-mentioned network has multiple to the mobile-initiated reason of 4G system to terminal 3G, such as: the adjacent 3G Serving cell of all of terminal present position signal quality is all very poor, must move to the 4G Serving cell, and the business that just can keep the user connects; For the commercial interest reason, network tendentiousness ground is placed on certain business in the 4G system as much as possible to be served, and triggering terminal 3G moving to 4G; Because it is congested that loading has appearred in the 3G system, in order to dissolve the intrasystem congestion state of 3G, network moves to 4G to the user of some FACH attitudes from 3G selectively, or the like.
For the reporting measurement result, the present invention also provides a kind of preferred implementation, promptly according to measurement result the LTE frequency is sorted, particularly, above-mentioned steps S104 comprises: terminal according to the measurement result of LTE frequency to be measured by well to bad order, LTE frequency to be measured is sorted; The maximum measurement reports time value then, the measurement result of the one or more the preceding LTE frequencies to be measured of terminal to report ordering.Like this, make RNC select the LTE frequency to carry out convenient as the operation of target LTE frequency to terminal.Need to prove that this measurement result can be frequency point information and/or the maximum of the pilot signal strength on each LTE frequency to be measured or the top-quality LTE sub-district of the LTE frequency to be measured of ordering.
Preferably, under terminal also receives situation from the maximum measuring time value (being designated as Tmax_meas) of RNC, wherein, the maximum measuring time value is the maximum duration value that LTE frequency to be measured is measured of being used for that RNC gives terminal distribution, and with terminal to measure the required time of single LTE frequency to be measured corresponding, above-mentioned steps S104 comprises: terminal is measured respectively each the LTE frequency to be measured in the LTE frequency to be measured according to frequency point information in the time span of five equilibrium, and wherein to be the maximum measuring time value calculate divided by the number of LTE frequency to be measured the time span of five equilibrium; Terminal reports in the maximum measurement that the measurement result to LTE frequency to be measured reports in the time value.In this preferred embodiment, terminal is according to the order of the LTE frequency to be measured of RNC configuration distributing, on each LTE frequency to be measured, be the time span (Tmax_meas/N of five equilibrium, N is the number of frequency to be measured) the scanning survey of synchronous and whole Serving cells, thereby the idle opportunity of having avoided measuring descending pilot frequency is limited.It should be noted that maximum measuring time value (being designated as Tmax_meas) and maximum the measurement report time value (being designated as Tmax_rept) also can be merged into same parameter in order to reduce complexity, promptly logical meaning is variant, but the physical significance normalizing.Need to prove that except above-mentioned five equilibrium maximum measuring time value, terminal also can adopt other Measuring Time scheduling mode.
Need to prove that because the difference of terminal capability, terminal may not necessarily be finished the scanning survey of the whole Serving cells on the single LTE frequency in the Tmax_meas/N time span.
At above-mentioned preferred implementation,, be exemplified below for the ease of understanding:
Terminal is noted in each Tmax_meas/N time span, that Serving cell that pilot signal quality that measures on each LTE frequency or intensity (RSRQ or RSRP) are best and the measured value of signal quality or intensity thereof.Original record string A is [frequency 1 (PCI=100, value=30db), frequency 2 (PCI=105, value=33db), frequency 3 (PCI=155, value=26db), ..., frequency N (PCI=325, value=27db)] herein, PCI is the physical label of the LTE Serving cell measured, and value is the measured value of pilot signal quality or intensity.Then, terminal is according to the size of signal quality or intensity measurements, the above-mentioned block A that reorders from high to low, and obtaining block B is [frequency 2 (PCI=105, value=33db), frequency 1 (PCI=100, value=30db), frequency N (PCI=325, value=27db), frequency 3 (PCI=155, value=26db) ...].
In addition, terminal also can write down pilot signal quality or best several Serving cells and signal quality or the intensity level of intensity that measures on each LTE frequency, such as 2 or 3, to each frequency measurement result value sum-average arithmetic, carrying out ordering similar to the above, reporting then.
Preferably, can utilize state variable to represent the state that terminal is current.The terminal that is in the public connected state of UMTS receive from the frequency point information of the LTE frequency to be measured of RNC and maximum measure report time value after, terminal is set to TRUE with the corresponding state variable of LTE frequency to be measured, and TURE represents that terminal is just in the public connected state execution of UMTS LTE frequency measurement task; Report in the time value according to frequency point information after measurement reports to LTE frequency to be measured in the maximum measurement in terminal, the terminal state variable is set to FALSE, and FALSE represents that terminal has withdrawed from the public connected state of UMTS and carried out the LTE frequency and measure task.Need to prove that except the trigger condition that above-mentioned LTE measurement result reports, under the triggering of following condition, terminal also state variable is set to FALSE, as: generation cell update, RRC state change, above-mentioned maximum measuring time value is overtime.
The present invention also provides a kind of Long Term Evolution frequency to measure report method (RNC side), and Fig. 2 is a flowchart 2 of measuring report method according to the Long Term Evolution frequency of the embodiment of the invention, as shown in Figure 2, comprises that following step S202 is to step S204.
Step S202, RNC receive the ability information from the terminal that is in the public connected state of UMTS, and wherein ability information is used for indicating terminal and measures the single required time of LTE frequency to be measured.
Step S204, RNC sends the frequency point information of LTE frequency to be measured and reports time value with corresponding maximum measurement of ability information to terminal, wherein, maximumly measure that to report time value be the maximum duration value that measurement reports to LTE frequency to be measured that is used for that RNC gives terminal distribution.
In the correlation technique, RNC does not also know the ability that terminal is measured target LTE frequency at the public connected state of UMTS.Among the embodiment shown in Figure 2, RNC receives the ability information of terminal to its terminal that reports self, RNC learns the ability information of terminal, could measure the sufficiently long time of preparation at the public connected state of UMTS to target LTE frequency for terminal, thereby comprise the abundant measurement free time that is used for target LTE frequency, do not influence cell reselection performance in the terminal UMTS system again, otherwise network can't obtain the sufficient quality information of target LTE frequency.
Wherein, aforementioned capabilities information refers to that specifically terminal measures the required time at public connected state to single LTE frequency to be measured, is presented as ability grade.Be exemplified below: ability grade 1 expression terminal can be finished the scanning survey to synchronous and whole Serving cells of single LTE frequency to be measured in 1s; Ability grade 2 expression terminals can be finished the scanning survey to synchronous and whole Serving cells of single LTE frequency to be measured in 3s; Ability grade 3 expression terminals can be finished the scanning survey to synchronous and whole Serving cells of single LTE frequency to be measured in 5s.Above-mentionedly just illustrate, concrete value size can be determined by the related work group.
Need to prove, RNC is according to the ability information of terminal, can pass through Broadcast Control Channel (Broadcast Control Channel, abbreviate BCCH as) system message or Dedicated Control Channel (Dedicated Control Channel, abbreviate DCCH as) certain bar specific messages, report time value the frequency point information of one or more LTE frequencies to be measured with corresponding maximum measurement of ability information, send to terminal.
After above-mentioned steps S204, RNC is according to the measurement result of terminal to report, determine suitable one or more target LTE frequencies, carry out the migration of terminal from the UMTS system to LTE aims of systems LTE frequency, concrete operations are as follows: RNC receives the measurement result of the LTE frequency to be measured of terminal to report; RNC determines that according to measurement result one or more LTE frequencies are as the target LTE frequency in the LTE system in LTE frequency to be measured; RNC is with the target LTE frequency of terminal transfer in the LTE system.
RNC can learn the general situation of terminal present position LTE frequency Serving cell signal on every side more reliably according to the LTE frequency measurement result of terminal to report.RNC selects one or more frequency finally to move to the target frequency point ranges of LTE system as terminal from the frequency that reports according to different scene demands then.Can utilize the reorientation flow process then, terminal transfer is arrived the LTE system.Because the measuring process before having had, so RNC issues reorientation message: the cell " E-UTRA Target Info " in the RRC connection release message (RRC Connection Release) can dispose target migration frequency more accurately, thereby terminal can connect the cost of interrupting with the shortest 3G RRC, sets up new 4G RRC connection and wireless traffic carrying at LTE target frequency.
From the above, want to realize that terminal moves reliably from 3G to the 4G system, must make terminal or network possess the wireless quality information of 4G Serving cell in the target LTE frequency, and this depends on terminal on the one hand in the measurement capability of FACH attitude to the LTE system, depend on the control of network to above-mentioned measurement on the one hand, the present invention has realized that from these two aspects the measurement of frequency reports just.
Be described in detail below in conjunction with the implementation procedure of example the embodiment of the invention.
Preferred embodiment one
Fig. 3 is a flow chart of measuring report method according to the Long Term Evolution frequency of the preferred embodiment of the present invention one, as shown in Figure 3, comprises that following step S302 is to step S310.
Step S302, terminal reports it to support the ability indication that public connected state is measured target LTE frequency by Common Control Channel (Common Control Channel abbreviates CCCH as) cell update message Cell Update to the 3G network controller (RNC).Alternatively, its ability grade is designated as: terminal can be finished the scanning survey to synchronous and whole Serving cells of single target LTE frequency at 3s in the time.
Step S304, RNC is according to the ability of above-mentioned terminal, cell update acknowledge message Cell Update Confirm by dedicated channel DCCH, 4 LTE frequency point information [F2 to be measured, F3, F4, F5] and maximum measuring time value Tmax_meas=120s (notes: because terminal can not be measured LTE target frequency continuously in the FACH attitude, can only utilize wherein a part of measurement free time to measure, so the Tmax_meas of RNC configuration should be some integral multiples of the shortest required time 3x4=12s of theoretical duty, here value is 10 times) and a maximum report delay time value Tmax_rept=240s to send to terminal.Inner corresponding state variable LTE_FACH_MEAS value is TRUE, and the expression terminal enters the public connected state of UMTS and carries out LTE frequency measurement task.
Step S306, terminal is opened the delay timer that reports of a reverse countdown, and timing is overtime to Tmax_rept=240s.Terminal is according to the order of the target of RNC configuration distributing LTE frequency to be measured, doing the synchronous and scanning survey of the Tmax_meas/N=30s time span of five equilibrium on each target LTE frequency (notes because terminal capability and local to measuring the difference of idle scheduling mode, terminal may not necessarily be finished the scanning survey of the whole Serving cells on the single LTE frequency in the 30s time span).Terminal is noted in each 30s time span, that Serving cell and signal strength signal intensity or quality measured values that pilot signal quality that measures on each LTE frequency or intensity (RSRQ or RSRP) are best.In the whole Tmax_meas=120s Measuring Time, terminal has never been triggered any upstream message by any reason, terminal is finished the measurement to all LTE target frequencies, obtaining original record string A is [F2 (PCI=100, value=30db), F3 (PCI=105, value=33db), F4 (PCI=155, value=26db), F5 (PCI=325, value=27db)] terminal is according to the size of signal strength signal intensity or quality measured values, and above-mentioned block A from high to low reorders, obtaining block B is [F3 (PCI=105, value=33db), and F2 (PCI=100, value=30db), F5 (PCI=325, value=27db), F4 (PCI=155, value=26db)].Inner corresponding state variable LTE_FACH_MEAS value is FALSE, and the expression terminal finishes the public connected state execution of UMTS LTE frequency and measures task.
Step S308 reports before delay timer Tmax_rept overflows, and terminal is by any up signaling message report with the road.When reporting the delay timer timing to arrive 240s, terminal is opened special in reporting the out-hole run report message Measurement Report of LTE frequency measurement result by force.Wherein the frequency sequencing information among the above-mentioned block B is included in the cell " Measured results on RACH ".
Step S310, RNC measures reported result according to terminal LTE target frequency, can probably learn terminal present position target LTE frequency F3 on every side, and the Serving cell signal quality among the F2 is better, F5, F4 frequency quality is taken second place.Because RNC need move to the 4G system to terminal from 3G based on service reason, therefore from the frequency that reports, only select F3 finally to move to the target frequency of LTE system as terminal.Utilize the reorientation flow process then, RNC issues reorientation message: RRC connection release message (RRC Connection Release), cell wherein " E-UTRA Target Info " comprises F3.Terminal can connect the cost of interrupting with the shortest 3G RRC, sets up new 4G RRC connection and wireless traffic carrying on LTE target frequency F3.
Preferred embodiment two
Fig. 4 is a flow chart of measuring report method according to the Long Term Evolution frequency of the preferred embodiment of the present invention two, as shown in Figure 4, comprises that following step S402 is to step S410.
Step S402, terminal reports it to support the ability indication that public connected state is measured target LTE frequency by common uplink channel CCCH cell update message Cell Update to the 3G network controller (RNC).Alternatively, its ability grade is designated as: terminal can be finished the scanning survey to synchronous and whole Serving cells of single target LTE frequency at 5s in the time.
Step S404, RNC is according to the ability of above-mentioned terminal, measurement control messages measurement control by dedicated channel DCCH, 4 LTE frequency point information [F6 that target is to be measured, F7, F8, F9] and maximum measuring time value Tmax_meas=200s (notes: because terminal can not be measured LTE target frequency continuously in the FACH attitude, can only utilize wherein a part of measurement free time to measure, so the Tmax_meas of RNC configuration should be some integral multiples of the shortest required time 5x4=20s of theoretical duty, here value is 10 times) and a maximum report delay time value Tmax_rept=240s to send to terminal.Inner corresponding state variable LTE_FACH_MEAS value is TRUE, and the expression terminal enters the public connected state of UMTS and carries out LTE frequency measurement task.
Step S406, terminal is opened the delay timer that reports of a reverse countdown, and timing is overtime to Tmax_rept=240s.Terminal is according to the order of the target of RNC configuration distributing LTE frequency to be measured, doing the synchronous and scanning survey of the Tmax_meas/N=50s time span of five equilibrium on each target LTE frequency (notes because terminal capability and local to measuring the difference of idle scheduling mode, terminal may not necessarily be finished the scanning survey of the whole Serving cells on the single LTE frequency in the 50s time span).Terminal is noted in each 50s time span, that Serving cell and signal strength signal intensity or quality measured values that pilot signal quality that measures on each LTE frequency or intensity (RSRQ or RSRP) are best.Because in 150s, terminal is because the sub-district gravity treatment has triggered cell update message.Terminal stops the measurement to remaining LTE target frequency, from the LTE target frequency finished to measure original record string A be [F6 (PCI=100, value=30db), F7 (PCI=105, value=33db), F8 (PCI=155, value=26db), F9 measures as yet] terminal is according to the size of signal strength signal intensity or quality measured values, and above-mentioned block A from high to low reorders, obtaining block B is [F7 (PCI=105, value=33db), and F6 (PCI=100, value=30db), F8 (PCI=155, value=26db)].
Step S408, terminal stops to report the timing of delay timer, and when reporting the delay timer timing to arrive 150s, terminal reports LTE target frequency measurement result by cell update message Cell Update with the road.Wherein the frequency sequencing information among the above-mentioned block B is included in the cell " Measured results on RACH ".Inner corresponding state variable LTE_FACH_MEAS value is FALSE, and the expression terminal withdraws from the public connected state of UMTS and carries out LTE frequency measurement task.
Step S410, RNC measures reported result according to terminal LTE target frequency, can learn probably that the Serving cell signal quality among the target LTE frequency F7 on every side of terminal present position is better, F6, F8 frequency quality is taken second place, F9 the unknown.Owing to RNC need move to the 4G system to terminal from 3G based on the load reason, therefore from the frequency that reports, only select F7 finally to move to the target frequency of LTE system as terminal.Utilize the reorientation flow process then, RNC issues reorientation message: RRC connection release message (RRC Connection Release), cell wherein " E-UTRA Target Info " comprises F7.Terminal can connect the cost of interrupting with the shortest 3G RRC, sets up new 4G RRC connection and wireless traffic carrying on LTE target frequency F7.
Need to prove, can in computer system, carry out in the step shown in the flow chart of accompanying drawing such as a set of computer-executable instructions, and, though there is shown logical order in flow process, but in some cases, can carry out step shown or that describe with the order that is different from herein.
The embodiment of the invention provides a kind of Long Term Evolution frequency to measure reporting device, is applied to terminal, and this Long Term Evolution frequency is measured reporting device can be used to realize above-mentioned Long Term Evolution frequency shown in Figure 1 measurement report method.Fig. 5 is a structured flowchart of measuring reporting device (end side) according to the Long Term Evolution frequency of the embodiment of the invention, as shown in Figure 5, comprises receiver module 52 and measures reporting module 54.Below its structure is described in detail.
Fig. 6 is that the Long Term Evolution frequency is measured the structured flowchart one of reporting device (end side) according to the preferred embodiment of the invention, as shown in Figure 6, measuring reporting module 54 comprises: determine submodule 541, be connected to receiver module 52, be used for reporting in the time value, determine the reporting uplink signaling message that self is triggered in the maximum measurement that receiver module 52 receives; First reports submodule 542, is connected to determine submodule 541, is used for reporting with the road in the process of reporting uplink signaling message the measurement result of LTE frequency to be measured.
Fig. 7 is that the Long Term Evolution frequency is measured the structured flowchart two of reporting device (end side) according to the preferred embodiment of the invention, as shown in Figure 7, measuring reporting module 54 also comprises: open submodule 543, be connected to receiver module 52, be used for reporting time value then in the maximum measurement that first receiver module 52 receives, open up signaling message, wherein the up signaling message of Kai Qiing is used to report the measurement result of LTE frequency to be measured.
Fig. 8 is that the Long Term Evolution frequency is measured the structured flowchart three of reporting device (end side) according to the preferred embodiment of the invention, as shown in Figure 8, measuring reporting module 54 comprises: ordering submodule 544, be connected to receiver module 52, be used for measurement result according to LTE frequency to be measured by well to bad order, LTE frequency to be measured is sorted; Second reports submodule 545, is connected to ordering submodule 544, is used for maximum the measurement and reports time value then, reports the measurement result of the one or more the preceding LTE frequencies to be measured of ordering submodule 544 orderings.
Fig. 9 is that the Long Term Evolution frequency is measured the structured flowchart four of reporting device (end side) according to the preferred embodiment of the invention, as shown in Figure 9, under terminal also receives situation from the maximum measuring time value of RNC, wherein, the maximum measuring time value is the maximum duration value that LTE frequency to be measured is measured of being used for that RNC gives terminal distribution, and with terminal to measure the required time of single LTE frequency to be measured corresponding, measuring reporting module 54 comprises: measure submodule 546, be used for according to frequency point information each LTE frequency to be measured of LTE frequency to be measured being measured respectively in the time span of five equilibrium, wherein to be the maximum measuring time value calculate divided by the number of LTE frequency to be measured the time span of five equilibrium; The 3rd reports submodule 547, is connected to measure submodule 546, is used for reporting the measurement result of the LTE frequency of in the time value measurement submodule 546 being measured to be measured to report in the maximum measurement.
The embodiment of the invention also provides a kind of Long Term Evolution frequency to measure reporting device, is applied to RNC, and this Long Term Evolution frequency is measured reporting device can be used to realize above-mentioned Long Term Evolution frequency shown in Figure 2 measurement report method.Figure 10 is a structured flowchart of measuring reporting device (RNC side) according to the Long Term Evolution frequency of the embodiment of the invention, as shown in figure 10, comprises first receiver module 1002 and sending module 1004.Below its structure is described in detail.
Figure 11 is that the Long Term Evolution frequency is measured the structured flowchart of reporting device (RNC side) according to the preferred embodiment of the invention, and as shown in figure 11, said apparatus also comprises second receiver module 1006, determination module 1008 and transferring module 1009.
Particularly, second receiver module 1006 is used for the measurement result of the LTE frequency to be measured that receiving terminal reports; Determination module 1008 is used for according to measurement result, determines that in LTE frequency to be measured one or more LTE frequencies are as the target LTE frequency in the LTE system; Transferring module 1009 is used for the target LTE frequency of terminal transfer to the LTE system.
The embodiment of the invention also provides a kind of Long Term Evolution frequency to measure reporting system, and Figure 12 is a structured flowchart of measuring reporting system according to the Long Term Evolution frequency of the embodiment of the invention, and as shown in figure 12, this system comprises RNC1202 and terminal 1204.Below its structure is described in detail.
RNC1202 comprises: first receiver module 12022, be connected to terminal 1204, and be used to receive ability information from the terminal 1204 that is in the public connected state of UMTS, wherein ability information is used for the 1204 single required times of LTE frequency to be measured of measurement of indicating terminal; Sending module 12024, be connected to second receiver module 12042 of first receiver module 12022 and terminal 1204, be used for sending the frequency point information of LTE frequency to be measured and reporting time value with corresponding maximum measurement of the ability information of first receiver module, 12022 receptions to terminal 1204, wherein, maximumly measure that to report time value be that RNC1202 gives the maximum duration value that measurement reports to LTE frequency to be measured that is used for that terminal 1204 distributes.
Terminal 1204 comprises: second receiver module 12042, the frequency point information and maximum measurement that are used for when terminal 1204 is in the public connected state of UMTS receiving from the LTE frequency to be measured of RNC1202 report time value, wherein, maximum measure that to report time value be that RNC1202 gives the maximum duration value that measurement reports to LTE frequency to be measured that is used for that terminal 1204 distributes, and to measure the required time of single LTE frequency to be measured corresponding with terminal 1204; Measure reporting module 12044, be connected to second receiver module 12042, measurement reports to LTE frequency to be measured to be used for reporting the frequency point information that receives according to second receiver module 12042 in the time value in the maximum measurement that second receiver module 12042 receives.
Need to prove that the Long Term Evolution frequency of describing among the device embodiment is measured reporting device, system corresponding to above-mentioned method embodiment, its concrete implementation procedure had been carried out detailed description in method embodiment, do not repeat them here.
In sum, according to the abovementioned embodiments of the present invention, provide a kind of Long Term Evolution frequency to measure report method, Apparatus and system.Among the present invention, the maximum measurement that the terminal that is in public connected state is distributed at RNC reports that measurement reports to LTE frequency to be measured in the time value, make RNC can know the wireless quality information of LTE frequency, thereby guaranteed reliable move of this terminal from the UMTS system to the LTE system.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a Long Term Evolution frequency is measured report method, it is characterized in that comprising:
The terminal that is in the public connected state of universal mobile telecommunications system UMTS receives from the frequency point information of the Long Term Evolution LTE frequency to be measured of radio network controller (RNC) and maximum the measurement and reports time value, wherein, describedly maximum measure that to report time value be the maximum duration value that measurement reports to described LTE frequency to be measured that is used for that described RNC gives described terminal distribution, and to measure the required time of single LTE frequency to be measured corresponding with described terminal;
Described terminal reports described maximum the measurement that measurement reports to described LTE frequency to be measured according to described frequency point information in the time value.
2. method according to claim 1 is characterized in that, described terminal reports in the time value described maximum the measurement that measurement reports and comprises to described LTE frequency to be measured according to described frequency point information:
Report in the time value described maximum the measurement, described terminal is determined the reporting uplink signaling message that self is triggered;
Described terminal reports the measurement result of described LTE frequency to be measured with the road in reporting the process of described up signaling message.
3. method according to claim 2, it is characterized in that, described terminal reports in the time value described maximum the measurement that measurement reports also and comprises to described LTE frequency to be measured according to described frequency point information: described maximum the measurement reports time value then, described terminal is opened up signaling message, and the up signaling message of wherein said unlatching is used to report the measurement result of described LTE frequency to be measured.
4. method according to claim 1 is characterized in that, described terminal reports in the time value described maximum the measurement that measurement reports and comprises to described LTE frequency to be measured according to described frequency point information:
Described terminal according to the measurement result of described LTE frequency to be measured by well to bad order, described LTE frequency to be measured is sorted;
Described maximum the measurement reports time value then, the measurement result of the one or more the preceding described LTE frequencies to be measured of described terminal to report ordering.
5. according to each described method in the claim 1 to 4, it is characterized in that, under described terminal also receives situation from the maximum measuring time value of described RNC, wherein, described maximum measuring time value is the maximum duration value that described LTE frequency to be measured is measured of being used for that described RNC gives described terminal distribution, and with described terminal to measure the required time of single LTE frequency to be measured corresponding, described terminal reports in the time value described maximum the measurement that measurement reports and comprises to described LTE frequency to be measured according to described frequency point information:
Described terminal is measured respectively each the LTE frequency to be measured in the described LTE frequency to be measured according to described frequency point information in the time span of five equilibrium, and to be described maximum measuring time value calculate divided by the number of described LTE frequency to be measured the time span of wherein said five equilibrium;
Described terminal reports described maximum the measurement that the measurement result to described LTE frequency to be measured reports in the time value.
6. according to each described method in the claim 1 to 4, it is characterized in that,
The terminal that is in the public connected state of UMTS receive from the frequency point information of the LTE frequency to be measured of RNC and maximum measure report time value after, also comprise: described terminal is set to TRUE with the corresponding state variable of described LTE frequency to be measured;
Report in the time value according to described frequency point information after measurement reports to described LTE frequency to be measured described maximum the measurement in described terminal, also comprise: the described state variable of described terminal is set to FALSE.
7. a Long Term Evolution frequency is measured report method, it is characterized in that comprising:
Radio network controller (RNC) receives the ability information from the terminal that is in the public connected state of universal mobile telecommunications system UMTS, and wherein said ability information is used to indicate described terminal to measure the single required time of Long Term Evolution LTE frequency to be measured;
Described RNC sends the frequency point information of LTE frequency to be measured and reports time value with corresponding maximum measurement of described ability information to described terminal, wherein, describedly maximum measure that to report time value be the maximum duration value that measurement reports to described LTE frequency to be measured that is used for that described RNC gives described terminal distribution.
8. method according to claim 7 is characterized in that, described RNC to described terminal send LTE frequency to be measured frequency point information and with described ability information corresponding maximum measure report time value after, also comprise:
Described RNC receives the measurement result of the LTE frequency described to be measured of described terminal to report;
Described RNC determines that according to described measurement result one or more LTE frequencies are as the target LTE frequency in the LTE system in described LTE frequency to be measured;
Described RNC is with the described target LTE frequency of described terminal transfer in the LTE system.
9. a Long Term Evolution frequency is measured reporting device, is applied to terminal, it is characterized in that comprising:
Receiver module, the frequency point information and maximum measurement that are used for when described terminal is in the public connected state of universal mobile telecommunications system UMTS receiving from the LTE frequency to be measured of radio network controller (RNC) report time value, wherein, describedly maximum measure that to report time value be the maximum duration value that measurement reports to described LTE frequency to be measured that is used for that described RNC gives described terminal distribution, and to measure the required time of single LTE frequency to be measured corresponding with described terminal;
Measure reporting module, be used for reporting described maximum the measurement that measurement reports to described LTE frequency to be measured according to described frequency point information in the time value.
10. a Long Term Evolution frequency is measured reporting device, is applied to radio network controller (RNC), it is characterized in that comprising:
Receiver module is used to receive the ability information from the terminal that is in the public connected state of universal mobile telecommunications system UMTS, and wherein said ability information is used to indicate described terminal to measure the single required time of LTE frequency to be measured;
Sending module, be used for sending the frequency point information of LTE frequency to be measured and reporting time value with corresponding maximum measurement of described ability information to described terminal, wherein, describedly maximum measure that to report time value be the maximum duration value that measurement reports to described LTE frequency to be measured that is used for that described RNC gives described terminal distribution.
11. a Long Term Evolution frequency is measured reporting system, comprises terminal and radio network controller (RNC), it is characterized in that described RNC comprises:
First receiver module is used to receive the ability information from the terminal that is in the public connected state of universal mobile telecommunications system UMTS, and wherein said ability information is used to indicate described terminal to measure the single required time of LTE frequency to be measured;
Sending module, be used for sending the frequency point information of LTE frequency to be measured and reporting time value with corresponding maximum measurement of described ability information to described terminal, wherein, describedly maximum measure that to report time value be the maximum duration value that measurement reports to described LTE frequency to be measured that is used for that described RNC gives described terminal distribution;
Described terminal comprises:
Second receiver module, the frequency point information and maximum measurement that are used to receive from the LTE frequency to be measured of RNC report time value;
Measure reporting module, be used for reporting described maximum the measurement that measurement reports to described LTE frequency to be measured according to described frequency point information in the time value.
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| WO2011150577A1 (en) * | 2010-06-04 | 2011-12-08 | 重庆重邮信科通信技术有限公司 | Measuring and scheduling method, device and terminal for inter-frequency and inter-system in long term evolution (lte) connection mode |
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