CN102761897A - Method and system for realizing automatic neighbor cell relation measurement - Google Patents
Method and system for realizing automatic neighbor cell relation measurement Download PDFInfo
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- CN102761897A CN102761897A CN2011101074579A CN201110107457A CN102761897A CN 102761897 A CN102761897 A CN 102761897A CN 2011101074579 A CN2011101074579 A CN 2011101074579A CN 201110107457 A CN201110107457 A CN 201110107457A CN 102761897 A CN102761897 A CN 102761897A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
Abstract
The invention discloses a method and a system for realizing automatic neighbor cell relation. The method comprises the following steps that: a network side sends an ANR (application not responding) measurement configuration parameter including associated control parameters scheduled aiming at different types of ANR measurements to UE (user equipment) before the execution of the ANR measurement; and when executing the ANR (application not responding) measurement, the UE measures the unknown neighbor cells of different types according to the received associated control parameters scheduled aiming at different types of ANR measurement. According to the invention, the UE measures the unknown neighbor cells of different types according to the ratio of the received ANR measurement configuration parameter for scheduling associated controlled aiming at different types of ANR measurement; and the UE does not execute purely according to the best effort but executes the ANR measurement log in a more target form under a certain network expect, so that the property of the ANR measurement log is enhanced and the qualified ANR measurement is executed.
Description
Technical field
The present invention relates to Automatic Neighboring Relation function (ANRF, Automatic Neighbor Relation Functionality) technology, refer to the method and system that a kind of ANR of realization measures especially.
Background technology
Along with the raising to demand for services with the user that increases of cell mobile communication systems provider customer number, the scale of cellular network constantly enlarges, and the base station number is on the increase, and the cell mobile communication systems of various standards is constantly deepened co-operation each other.Together everywhere, the neighboring BS relationship of sub-district administers and maintains in the cellular network becomes more and more loaded down with trivial details work, so the in the past pure manual neighboring BS relationship management of expectation can be by system automation.Unexceptional ground, UTRA network operation merchant craves for the neighboring BS relationship of its network cell and realizes management automatically very much.
Fig. 1 is the system architecture sketch map of existing UTRA; As shown in Figure 1; In the UTRA network; Universal land radio access web (UTRAN, Universal Terrestrial Radio Access Network) comprises radio network controller (RNC, Radio Network Controller) and base station (NodeB) two kinds of basic network elements.The neighboring BS relationship of numerous minizones under the hundreds of NodeB, the needs that can optimize along with the network planning and the variation of wireless environment of living in and dynamically change.
In the UTRA network, the correct neighboring BS relationship in minizone is extremely important to network performance.Such as: realize the mobile subscriber, user terminal (UE) is optimum to be switched, and guarantees its service continuity, helps network to realize load balancing, capacity allotment, the energy-conservation multipurpose that waits.Under pure manual adjacent area layout, the neighboring BS relationship that network side will configure is in advance notified to UE through system broadcast message or proprietary control messages, and UE further stores and utilize the sub-district neighboring BS relationship of receiving.But this neighboring BS relationship that configures in advance from network side possibly be out-of-date, can not really reflect real-time neighboring BS relationship, thereby possibly cause the mistake of UE to switch, even call drop, has reduced network performance.
In the UTRA system, 3GPP version 10 (Release10) has been introduced a kind of Automatic Neighboring Relation function (ANRF, Automatic Neighbor Relation Functionality) of accomplishing mode (Best Effort to do) based on best endeavors.This scheme is used minimum road test (MDT, Minimize Driving Test) technology and is called for short Log Automatic Neighboring Relation (ANR) scheme, and idiographic flow is as shown in Figure 2, may further comprise the steps:
Step 200:UE resides in certain cell-of-origin under the RNC of source (Source cell) or is called in the current service cell (Serving cell).Source RNC selects certain suitable UE to carry out a certain type or several types of ANR measuring task in the cell-of-origin.
Here; ANR measuring task type is divided into basic 4 types: UTRA ANR measures (Intra-frequency ANR logging), UTRA ANR external pelivimetry (Intra-frequency ANR logging) frequently, strides LTE ANR measurement (Inter-RAT LTE ANR logging) frequently, and strides GSM ANR and measure (Inter-RAT GSM ANR logging).
Step 201: source RNC carries out UE to selected before ANRF task in the cell-of-origin; Transmission carries the RRC downstream message (DL Message with ANR Configurations) that ANR measures the control configuration parameter, such as UTRA ANR measurement configuration (Logged Measurement Configuration) message.
Wherein, The ANRF configuration parameter comprises: ANR measures parameter (ANR logging duration timer), ANR measuring range limiting parameter (ANR logging detection range) in limited time; And with Intra-frequency ANR logging; Inter-frequency ANR logging; Inter-RAT LTE ANR logging, these 4 kinds basic ANR of Inter-RAT GSM ANR logging measure the parameter (ANR logging absolute threshold, ANR logging relative threshold) of the relevant cell signal assessment of type.UE preserves the ANRF configuration parameter that receives, and after waiting entering into ANR measurement proper states, uses.
Step 202:UE is through certain Radio Resource control (RRC; Radio Resource Control) behind the Signalling exchange; Entered into certain and be fit to carry out the state that ANR measures, the ANRF configuration parameter of preserving before using is that the measurement of adjacent unknown detected cells of a certain type or several types is ready.
Present protocol specification, the state that is fit to execution ANR measurement can be Idle state (Idle mode), Acceditation Area level paging attitude (URA_PCH), cell-level paging attitude (Cell_PCH).
Step 203: because possible mobility or the other reasons of UE itself, UE carries out the interior cell measurement task of Neighboring Cell List of the relevant routine of non-ANR measuring task on the one hand, for district reselecting is prepared; On the other hand; UE is according to the ANRF configuration parameter of preserving before; Carry out a certain type of ANRF or several types of measuring task; And the unknown neighbor detected cells (comprising physical layer information, layer 2 information on the physical layer etc.) that will satisfy record log condition is recorded in the inner ANR log table of UE (ANR Logging Table).
Record behavior in this step abbreviates ANR Logging or Logging as, is meant that UE executes the operation of recording after ANR measures.When certain neighbor cell in the conventional Neighboring Cell List of UE satisfies the district reselecting condition; UE is still according in the Target cell of existing pattern gravity treatment in that Neighboring Cell List; Can't receive the interference that ANR measures, that is to say, the ANR measuring task is the subsidiary conventional district reselecting behavior of UE that is accompanied by; The cell reselection performance of UE does not receive the influence that ANR measures, and it is that best endeavors mode (best effort) realizes as much as possible that UE carries out the ANR measurement.
Step 204: suppose that Target cell and gravity treatment that UE has selected in certain Neighboring Cell List get into; If the UE ANR of portion has within it had effective logging content in showing; Just send in certain RRC upstream message of Target RNC at Target cell place, indicate its ANR measurement result to have and can report at it.
In this step; The RRC upstream message that is used to indicate the ANR measurement result to have and can reports can be: RRC connects foundation and accomplishes (RRC Connection Setup Complete) message; Cell update (Cell Update) message; URA upgrades (URA Update) message, measurement report (Measurement Report) message
Step 205: alternatively, UE through certain Radio Resource control (RRC, Radio Resource Control) Signalling exchange after, entered into certain and be fit to carry out the state of ANR reporting measuring result, and carried out and report preparation.Uploaded state specifically can be Cell_DCH, Cell_FACH state.
Step 206: the Target RNC at Target cell place requires UE to carry out the ANR reporting measuring result through certain RRC downstream message.Claiming that this process is ANR Logging Results Retrieval, can be UE information request (UE Information Request) message.
Step 207: according to the request of Target RNC, UE is kept at the ANR measurement result in the ANR table before reporting it through certain RRC upstream message, can be UE information response (UE Information Response) message.
Step 208: Target RNC is safeguarded the Neighboring Relation Table NRT (Neighbor Relation Table) that it is relevant according to the ANR measurement result that obtains.
In the Log ANR scheme of existing UTRA shown in Figure 2 system, step 203 is crucial steps.Carry out the UE that ANR measures for being in the PCH attitude; Utilize the discontinuous reception idle period (UTRAN DRX Cycle DRX Off) in the discontinuous receiving cycle of the undefined UTRAN of PCH attitude in the cell-of-origin; Adjacent unknown cell is carried out ANR to be measured; In case measuring the unknown neighbor detected cells, UE satisfies certain record condition, just with under its record (log); Carry out the UE that ANR measures for being in the Idle attitude; Utilize the not discontinuous reception idle period (CN domain specific DRX cycle Off) in the specific discontinuous receiving cycle of same area of the undefined core net of Idle attitude in the cell-of-origin; Adjacent unknown detected cells is carried out ANR to be measured; Satisfy certain record condition in case UE measures unknown neighbor cell, just it is noted.No matter be discontinuous reception idle period (the DRX Cycle Off in the discontinuous receiving cycle of PCH attitude or Idle attitude; Hereinafter referred is a DRX Cycle Off idle period) all be long; UE section does not at this moment carry out the reception of any control data of this Serving cell or user data; So UE can fully measure with cell quality adjacent known cell physical (L1) signal and assess.
In ANR measures; Except to known neighbor cell measurement; UE also need measure with cell quality adjacent unknown detected cells physical signalling and assess; In case of necessity, also need the System information block (SIB) of the detected cells that satisfies the log condition be read, so that obtain necessary layer 2 (L2) information such as cellular global identity or the like.As previously mentioned, after UE gets into PCH or Idle attitude, no longer receive from RNC and remove paging Paging; Therefore any control data that system message is outer, is measured relevant control configuration information with ANR and all before ANR measures startup, is sent and preserved by UE by RNC; UE is when observing original cell reselection rules then; Reasonably use these ANR configuration parameters to carry out ANR and measure, all ANR measure by the UE local scheduling, carry out with the form that best endeavors are done; Can not sacrifice the success rate of UE reception Paging; Do not destroy UE to original rule of district reselecting and behavior in the conventional Neighboring Cell List, so the Log ANR scheme of existing UTRA system possibly cause following problem:
In network possibly assigned frequently simultaneously, frequently outer (a plurality of frequency), stride LTE and stride a type or multiclass (this is that RNC assigns the problem that the ANR parameter configuration realizes) in four types of ANR tasks of GSM.If network only issues one type of ANR task at every turn; UE carries out in the ANR measurement of single type so; Scheduling uses the mode of DRX Cycle Off idle period very clear and definite; Such as: network has only disposed to be measured carrying out ANR on frequently outer certain Frequency point; Then UE other DRX Cycle Off idle periods will the DRX Cycle Off idle period of the measurement of known neighbor cell in being used for conventional Neighboring Cell List are used for the ANR of that Frequency point is measured, and promptly on that Frequency point, carry out the search of unknown cell;
If the each task of network is sent multiclass ANR task simultaneously, different UE possibly have different ANR and measure the scheduling processing mode.For example mode 1: the priority level different with the LTE/GSM frequency according to the UMTS different frequent points; Beginning ANR from the highest frequency of priority measures; After executing a period of time (possibly be that absolute time length or UE have searched N adjacent unknown cell); Carry out the ANR task on the low priority frequency again, this is a kind of UE scheduling ANR measuring mode.Mode 2:UE carries out each generic task with interweaving; Promptly utilizing N DRX cycle to carry out frequently interior ANR earlier measures; Utilize M DRX cycle to carry out frequently outer ANR again and measure, the ANR that utilizes L DRX cycle execution to stride GSM again measures or the like, behind a large period; Measurement execution sequence before repeating again, this is another kind of UE scheduling ANR measuring mode.Mode 3: according to district reselecting tendentiousness in the original conventional Neighboring Cell List of UE; Carrying out certain type of ANR measures; Such as: when the district reselecting measurement is triggered in the UE frequency, just utilize all available DRX cycle Off idle periods, the unknown cell is frequently carried out the ANR measurement.When UE strides the measurement of GSM district reselecting when being triggered, just utilize all available DRX cycle Off idle periods, the unknown cell of gsm system is carried out ANR measure, by that analogy;
Because how UE dispatches DRX Cycle Off idle period and goes to carry out the ANR measurement; It is a behavior that relative UE is local; If complete network does not know how UE dispatches DRX cycle Off idle period and remove to carry out ANR and measure, and do not know that more UE is in the time that has long DRX cycle Off idle period state and how long can continues on earth, so; Network side just can't anticipate that UE is after after a while; ANR measures the end and can write down log to which new neighboring BS relationship, that is to say that the performance of ANR scheme only is the work of a kind of best endeavors (Best Effort) at present.Such as: maybe be in certain zone; Network different frequency minizone neighboring BS relationship is relatively poor, and (leakage is joined; Mispairing), and better with frequently interior minizone neighboring BS relationship, network should have tendentiousness ground to measure the ANR that more DRX Cycle Off idle period is used between different frequency so; Fully write down the outer unknown neighbor cell of the real required frequency of log, thereby the ANR measurement result there is certain mass to guarantee.
But; Because the existing DRX Cycle Off idle period of how dispatching goes to carry out the ANR measurement; Be a behavior that relative UE is local, therefore, network side can not be measured the ANR that more DRX Cycle Off idle period is used between different frequency; Can not fully write down the outer unknown neighbor cell of the real required frequency of log better, thereby can not guarantee that the ANR measurement result has certain mass to guarantee.
Based on foregoing description, in order to improve the performance that ANR measures log, the ANR that does quality assurance measures.UE should be able to do ANR more targetedly and measure log, rather than pure Best Effort carry out under certain network expectation.The present invention provides a kind of mechanism, makes network can pass through the ANR configuration parameter, coordinates UE better dissimilar ANR are measured behavior.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method and system that realize that Automatic Neighboring Relation is measured, and can improve the performance that ANR measures log, carries out the ANR that quality assurance is arranged and measures.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method that realizes that Automatic Neighboring Relation is measured comprises:
Before user terminal UE execution Automatic Neighboring Relation ANR measures, network side will comprise the ANR measurement control configuration parameter of dissimilar ANR being measured the relevant Control Parameter of scheduling, send to UE;
When UE carries out the ANR measurement, the relevant Control Parameter of dissimilar ANR measurement scheduling is measured dissimilar adjacent unknown cell according to what receive.
Also comprise before this method: said UE reports certainly as possessing the UE that quality assurance ANR measurement capability is arranged to network side.
Said UE reports from having the UE of quality assurance ANR measurement capability to comprise as possessing:
Said UE is at the Radio Resource connection setup complete message, perhaps newly-increasedly in the contained UE wireless access capability cell in the UE capability information message is used to notify RNC, UE to possess the sub-cell of supporting to have quality assurance ANR measurement capability.
Saidly dissimilar ANR measured the relevant Control Parameter of scheduling comprise:
The percentage of discontinuous reception idle period DRX Cycle Off in the discontinuous receiving cycle that frequently outer ANR measures, and/or,
The percentage of the DRX Cycle Off idle period that ANR measures frequently, and/or,
Stride the percentage of the DRX Cycle Off idle period of LTE ANR measurement, and/or,
Stride the percentage of the DRX Cycle Off idle period of GSM ANR measurement.
This method also comprises: said UE is provided with variable in advance in this locality: the percentage DRX_rate_intra_freq variable of the DRX Cycle Off idle period that ANR measures frequently; The percentage DRX_rate_inter_freq scalar of the DRX Cycle Off idle period that ANR measures frequently; Stride the percentage DRX_rate_inter_LTE variable of the DRXCycle Off idle period of LTE ANR measurement; Stride the percentage DRX_rate_inter_GSM scalar of the DRX Cycle Off idle period of GSM ANR measurement, the initial value of said each variable is sky Null;
When said UE receives when including the ANR that dissimilar ANR are measured the relevant Control Parameter of scheduling and measuring the control configuration parameter, value accordingly composed give corresponding variable.
Saidly dissimilar ANR are measured the relevant Control Parameter of scheduling dissimilar adjacent unknown cell measurements are comprised according to what receive:
Said UE is in the PCH attitude; Utilize the DRX cycle under the PCH attitude in the cell-of-origin; According to what receive dissimilar ANR are measured the percentage that the ANR that dispatches relevant Control Parameter measures the control configuration parameter periodically; Adjacent unknown cell to dissimilar is measured, and satisfies record condition and record in case UE measures unknown neighbor cell;
Said UE is in the Idle attitude; Utilize the DRX cycle under the Idle attitude in the cell-of-origin; According to what receive dissimilar ANR are measured the ratio that the ANR that dispatches relevant Control Parameter measures the control configuration parameter periodically; Adjacent unknown cell to dissimilar is measured, and satisfies record condition and record in case UE measures unknown neighbor cell.
This method also comprises: said UE carries out neighbor cell measurement in the conventional Neighboring Cell List of preparing for district reselecting simultaneously.
This method also comprises: when UE enters into certain state that is fit to execution ANR reporting measuring result, report the ANR measurement result to network;
Said UE is with said DRX_rate_intra_freq variable, and/or the DRX_rate_inter_freq variable, and/or the DRX_rate_inter_LTE variable, and/or the value of DRX_rate_inter_GSM variable empties.
Said UE reports ANR logs record result through the cell update flow process in the Target cell indication; Perhaps,
Said UE is through sending RRC connection request flow process, and indication has recorded effective ANR measurement result.
A kind of system that realizes that Automatic Neighboring Relation is measured comprises network side at least, UE, wherein,
Network side is used for before UE execution ANR measures, and the ANR measurement control configuration parameter that will include the relevant Control Parameter of dissimilar ANR measurement scheduling sends to UE;
UE is used for when carrying out the ANR measurement, according to what receive the relevant Control Parameter of dissimilar ANR measurement scheduling is measured dissimilar adjacent unknown cell.
Said UE also is used to preserve the ANR that receives and measures the control configuration parameter.
Said UE also is used for reporting certainly as possessing the UE that quality assurance ANR measurement capability is arranged to network side.
Said UE when also being used to enter into the state of suitable execution ANR reporting measuring result, reports the ANR measurement result to network.
Can find out from the technical scheme that the invention described above provides; Before comprising that UE carries out the ANR measurement; Network side will include the ANR measurement control configuration parameter of dissimilar ANR being measured the relevant Control Parameter of scheduling; Send to UE, when UE carries out the ANR measurement, the relevant Control Parameter of dissimilar ANR measurement scheduling is measured dissimilar adjacent unknown cell according to what receive.Among the present invention, UE measures the ratio that the ANR that dispatches relevant Control Parameter measures the control configuration parameter according to what receive to dissimilar ANR, and dissimilar adjacent unknown cell is measured.Like this, UE is under certain network expectation, removes to carry out ANR measurement log more targetedly, rather than pure carrying out according to Best Effort, thereby has improved the performance of ANR measurement log, has carried out the ANR that quality assurance is arranged and has measured.
Description of drawings
Fig. 1 is the system architecture sketch map of existing UTRA;
Fig. 2 is the existing flow chart of realizing the method for ANR measurement;
Fig. 3 realizes the flow chart of the method that ANR measures for the present invention;
Fig. 4 realizes the sketch map of the system that ANR measures for the present invention;
Fig. 5 realizes the schematic flow sheet of first embodiment that ANR measures for the present invention;
Fig. 6 realizes the schematic flow sheet of second embodiment that ANR measures for the present invention.
Embodiment
Fig. 3 realizes the flow chart of the method that ANR measures for the present invention, and is as shown in Figure 3, comprising:
Before step 300:UE execution ANR measures, network side will include the ANR measurement control configuration parameter of dissimilar ANR being measured the relevant Control Parameter of scheduling, send to UE.
Wherein, it is as shown in table 1 dissimilar ANR to be measured the cell body structure of dispatching relevant Control Parameter.
Table 1
In the table 1,4 sub-cells are that frequency is outer, frequency is interior, stride LTE and stride GSM cell proportion sum and should be 100%.Ratio value shown in the table 1 is the property as a reference for explanation only, and the span of specifically enumerating can be other value.In the table 1, the DRX Cycle that the one-period length acquiescence that dissimilar ANR measure can be.
Need to prove; Sub-cell in the table 1 also can be taked other form; But the core concept of self-confident design far away is: network is in the frequency, and frequently outer (a plurality of different frequent points) striden LTE (a plurality of different frequent points); Stride these 4 types of ANR basic tasks of GSM (a plurality of different frequent points); Carry out the establishment of different priority according to the desirability of network, perhaps the use amount that is used for the DRX cycles Off idle period that dissimilar ANR measure is carried out different weight configurations, network can realize that just tendentiousness ground obtains the ANR measurement log content of wanting like this.
In this step, comprise that also UE preserves the ANR that receives and measures the control configuration parameter, specifically comprise:
UE this locality is provided with variable in advance: the percentage DRX_rate_intra_freq variable of the DRX Cycle Off idle period that frequently outer ANR measures; The percentage DRX_rate_inter_freq scalar of the DRX Cycle Off idle period that ANR measures frequently; Stride the percentage DRX_rate_inter_LTE variable of the DRX Cycle Off idle period of LTE ANR measurement; Stride the percentage DRX_rate_inter_GSM scalar of the DRX Cycle Off idle period of GSM ANR measurement, the initial value of these variablees is empty Null.When UE receives to include dissimilar ANR are measured the ANR measurement control configuration parameter of dispatching relevant Control Parameter, give the variable of correspondence value tax accordingly.
Also comprise before the step 300: UE reports certainly as possessing the UE that quality assurance ANR measurement capability is arranged to network side.The concrete realization comprises: connect to set up at Radio Resource and accomplish (RRC connection setup complete); Perhaps contained cell is to increase new sub-cell in UE wireless access capability (the UE Radio Access Capability) cell in UE ability information (the UE capability Information) upstream message; Such as called after: possess quality assurance ANR measurement capability is arranged (support of non best effort ANR) sub-cell; Be used for UE notice RNC, it possesses supports to have quality assurance ANR measurement capability.If this sub-cell is not comprised in the UE wireless access capability cell, show that then UE does not support the ANR measurement capability of quality assurance.
When step 301:UE carries out the ANR measurement, the relevant Control Parameter of dissimilar ANR measurement scheduling is measured dissimilar adjacent unknown cell according to what receive.This step specifically comprises:
Be in the UE of PCH attitude; Utilize the undefined DRX cycle of PCH attitude in the cell-of-origin; According to what receive dissimilar ANR are measured the ratio that the ANR that dispatches relevant Control Parameter measures the control configuration parameter periodically; Adjacent unknown cell to dissimilar is measured, and satisfies certain record condition in case UE measures unknown neighbor cell, just with under its log;
Be in the UE of Idle attitude; Utilize the undefined DRX cycle of Idle attitude in the cell-of-origin; According to what receive dissimilar ANR are measured the ratio that the ANR that dispatches relevant Control Parameter measures the control configuration parameter periodically; Adjacent unknown cell to dissimilar is measured, and satisfies certain record condition in case UE measures unknown neighbor cell, just with under its log.
Above-mentioned mobile record condition can be: the radio signal quality of the unknown neighbor cell that measures or intensity, and when satisfying absolute thresholding that network side issues and relative threshold simultaneously in the ANR configuration parameter.
Need to prove that meanwhile, UE is carrying out neighbor cell measurement in the conventional Neighboring Cell List of preparing for district reselecting simultaneously.The realization of this point is consistent with prior art, no longer detail here, and stress be: according to the ratio that the ANR that dissimilar ANR are measured the relevant Control Parameter of scheduling that receives measures the control configuration parameter, dissimilar adjacent unknown cell is measured.Like this, UE is under certain network expectation, removes to carry out ANR measurement log more targetedly, rather than pure carrying out according to BestEffort, thereby has improved the performance of ANR measurement log, has carried out the ANR that quality assurance is arranged and has measured.
The inventive method comprises also when step 302:UE has entered into the state of certain the suitable ANR of execution reporting measuring result that report the ANR measurement result to network, the concrete realization belongs to prior art, repeats no more here.Simultaneously, UE is the DRX_rate_intra_freq variable with built-in variable, and/or the DRX_rate_inter_freq variable, and/or the DRX_rate_inter_LTE variable, and/or the value of DRX_rate_inter_GSM variable empties, and is reduced to Null.
To the inventive method, the system that also provides a kind of ANR of realization to measure, as shown in Figure 4, comprise network side at least, UE, wherein,
Network side is used for before UE execution ANR measures, and the ANR measurement control configuration parameter that will include the relevant Control Parameter of dissimilar ANR measurement scheduling sends to UE;
UE is used for when carrying out the ANR measurement, according to what receive the relevant Control Parameter of dissimilar ANR measurement scheduling is measured dissimilar adjacent unknown cell.
UE also is used to enter into when being fit to carry out the state of ANR reporting measuring result, reports the ANR measurement result to network.
UE also is used to preserve the ANR that receives and measures the control configuration parameter.
UE also is used for reporting certainly as possessing the UE that quality assurance ANR measurement capability is arranged to network side.
Below in conjunction with specific embodiment the inventive method is described in detail.
Fig. 5 realizes the schematic flow sheet of first embodiment that ANR measures for the present invention; Among first embodiment, suppose that certain possesses the UE that quality assurance ANR measurement capability is arranged and is in the Cell_DCH data transmission state at certain cell-of-origin Source cell, obtains ANR measurement configuration parameter simultaneously; DTD gets into the Cell_PCH state then; Selected to go in the execution frequently by the source RNC at place, cell-of-origin, outer frequently ANR measuring task is not striden LTE and the ANR measurement of striding GSM and do not do.As shown in Figure 5, specifically comprise:
Step 500:RNC knows that UE supports to accept network to have the ANR of quality assurance to measure the ability of control.
Step 501: source RNC is through issuing record measurement configuration (Logged Measurement Configuration) message, and the control configuration parameter that ANR is relevant sends to UE.
In this step; In the relevant control configuration parameter of ANR, comprise the cell that is used to represent dissimilar ANR are measured the relevant Control Parameter of scheduling; In first embodiment, suppose that these cell assignment are following: DRXCycle Usage ratio for different ANR measurements{intra-freq:50%, inter-freq:50%; Inter-LTE:0%, Inter-GSM:0%}.UE preserves the cell value receive in local variable, i.e. DRX_rate_intra_freq=50%, DRX_rate_inter_freq=50%, DRX_rate_inter_LTE=0%, DRX_rate_inter_GSM=0%.
Step 502:UE is in the Cell_PCH attitude, and neighbor cell measurement in the Neighboring Cell List of preparing Yi Bian be implemented as district reselecting is Yi Bian carry out the measurement of the relevant unknown neighbor cell of ANR.Particularly: measure DRX Cycle in the cycle at an ANR, ANR measured in 50% DRX Cycle Off idle period was used for frequently, and 50% DRX cycle is used for frequently outer ANR and measures.In the present embodiment, suppose, successively find and write down 1, and it is write down log in local ANR Log table with frequency unknown neighbor cell and 1 outer unknown neighbor cell of frequency.
Step 503:UE accomplishes conventional district reselecting, and UE reports ANR logs record result indication through cell update flow process (Cell Update) in the Target cell indication.
Need to prove that among first embodiment, UE still need carry out district reselecting to the LTE/GSM sub-district in the Neighboring Cell List and measure assessment, measures but ANR is not carried out in the outer LTE/GSM sub-district of Neighboring Cell List.
Fig. 6 realizes the schematic flow sheet of second embodiment that ANR measures for the present invention; Among second embodiment, (Source cell) is in the Cell_DCH talking state in certain cell-of-origin to suppose certain to possess the UE that the ANR of quality assurance ability is arranged, and end of conversation gets into the Idle state; In being selected to carry out frequently by the source RNC at place, cell-of-origin; Stride the ANR task of LTE and GSM, wherein hope to obtain more the unknown neighbor cell relation of striding GSM.As shown in Figure 6.Specifically may further comprise the steps:
Step 600:RNC knows that UE supports to accept network to have the ANR of quality assurance to measure the ability of control.
Step 601: source RNC is through issuing record measurement configuration (Logged Measurement Configuration) message, and the control configuration parameter that ANR is relevant sends to UE before UE gets into the Idle attitude.
In this step; In the relevant control configuration parameter of ANR, comprise the cell that is used to represent dissimilar ANR are measured the relevant Control Parameter of scheduling; In a second embodiment, suppose that these cell assignment are following: DRX Cycle Usage ratio for different ANR measurements{intra-freq:25%, inter-freq:0%; Inter-LTE:25%, Inter-GSM:50%}.UE preserves the cell value receive in local variable, i.e. DRX_rate_intra_freq=25%, DRX_rate_inter_freq=0%, DRX_rate_inter_LTE=25%, DRX_rate_inter_GSM=50%.
Step 602:UE is in the Idle attitude, and neighbor cell measurement in the Neighboring Cell List of preparing Yi Bian be implemented as district reselecting is Yi Bian carry out the measurement of the relevant unknown neighbor cell of ANR.Particularly: measure DRX Cycle in the cycle at an ANR; ANR measured in 25% DRX Cycle Off idle period was used for frequently; 25% DRX Cycle Off idle period is used to stride LTE ANR to be measured, and 50% DRX Cycle Off idle period is used to stride GSM ANR and measures.In the present embodiment, suppose, successively find and write down 0 and stride the LTE unknown neighbor cell, stride the GSM unknown neighbor cell for 2 with unknown neighbor cell frequently and 1, and with its log in local ANR Log table.
Step 603: suppose that UE is in Target cell; The demand that has up conversation, UE sends RRC connection request (RRC Connection Request) flow process, and indication has recorded effective ANR measurement result; After getting into Cell_DCH, UE reports ANR logs record result at Target cell.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a method that realizes that Automatic Neighboring Relation is measured is characterized in that, comprising:
Before user terminal UE execution Automatic Neighboring Relation ANR measures, network side will comprise the ANR measurement control configuration parameter of dissimilar ANR being measured the relevant Control Parameter of scheduling, send to UE;
When UE carries out the ANR measurement, the relevant Control Parameter of dissimilar ANR measurement scheduling is measured dissimilar adjacent unknown cell according to what receive.
2. method according to claim 1 is characterized in that, also comprises before this method: said UE reports certainly as possessing the UE that quality assurance ANR measurement capability is arranged to network side.
3. method according to claim 2 is characterized in that, said UE reports from having the UE of quality assurance ANR measurement capability to comprise as possessing:
Said UE is at the Radio Resource connection setup complete message, perhaps newly-increasedly in the contained UE wireless access capability cell in the UE capability information message is used to notify RNC, UE to possess the sub-cell of supporting to have quality assurance ANR measurement capability.
4. method according to claim 2 is characterized in that, saidly dissimilar ANR are measured the relevant Control Parameter of scheduling comprises:
The percentage of discontinuous reception idle period DRX Cycle Off in the discontinuous receiving cycle that frequently outer ANR measures, and/or,
The percentage of the DRX Cycle Off idle period that ANR measures frequently, and/or,
Stride the percentage of the DRX Cycle Off idle period of LTE ANR measurement, and/or,
Stride the percentage of the DRX Cycle Off idle period of GSM ANR measurement.
5. method according to claim 4; It is characterized in that; This method also comprises: said UE is provided with variable in advance in this locality: the percentage DRX_rate_intra_freq variable of the DRX Cycle Off idle period that ANR measures frequently; The percentage DRX_rate_inter_freq scalar of the DRX Cycle Off idle period that ANR measures frequently; Stride the percentage DRX_rate_inter_LTE variable of the DRX Cycle Off idle period of LTE ANR measurement, stride the percentage DRX_rate_inter_GSM scalar of the DRX Cycle Off idle period of GSM ANR measurement, the initial value of said each variable is sky Null;
When said UE receives when including the ANR that dissimilar ANR are measured the relevant Control Parameter of scheduling and measuring the control configuration parameter, value accordingly composed give corresponding variable.
6. method according to claim 2 is characterized in that, saidly dissimilar ANR is measured the relevant Control Parameter of scheduling dissimilar adjacent unknown cell measurements is comprised according to what receive:
Said UE is in the PCH attitude; Utilize the DRX cycle under the PCH attitude in the cell-of-origin; According to what receive dissimilar ANR are measured the percentage that the ANR that dispatches relevant Control Parameter measures the control configuration parameter periodically; Adjacent unknown cell to dissimilar is measured, and satisfies record condition and record in case UE measures unknown neighbor cell;
Said UE is in the Idle attitude; Utilize the DRX cycle under the Idle attitude in the cell-of-origin; According to what receive dissimilar ANR are measured the ratio that the ANR that dispatches relevant Control Parameter measures the control configuration parameter periodically; Adjacent unknown cell to dissimilar is measured, and satisfies record condition and record in case UE measures unknown neighbor cell.
7. method according to claim 6 is characterized in that, this method also comprises: said UE carries out neighbor cell measurement in the conventional Neighboring Cell List of preparing for district reselecting simultaneously.
8. method according to claim 5 is characterized in that, this method also comprises: when UE enters into certain state that is fit to execution ANR reporting measuring result, report the ANR measurement result to network;
Said UE is with said DRX_rate_intra_freq variable, and/or the DRX_rate_inter_freq variable, and/or the DRX_rate_inter_LTE variable, and/or the value of DRX_rate_inter_GSM variable empties.
9. method according to claim 8 is characterized in that, said UE reports ANR logs record result through the cell update flow process in the Target cell indication; Perhaps,
Said UE is through sending RRC connection request flow process, and indication has recorded effective ANR measurement result.
10. a system that realizes that Automatic Neighboring Relation is measured is characterized in that, comprises network side at least, UE, wherein,
Network side is used for before UE execution ANR measures, and the ANR measurement control configuration parameter that will include the relevant Control Parameter of dissimilar ANR measurement scheduling sends to UE;
UE is used for when carrying out the ANR measurement, according to what receive the relevant Control Parameter of dissimilar ANR measurement scheduling is measured dissimilar adjacent unknown cell.
11. system according to claim 10 is characterized in that, said UE also is used to preserve the ANR that receives and measures the control configuration parameter.
12. system according to claim 11 is characterized in that, said UE also is used for reporting certainly as possessing the UE that quality assurance ANR measurement capability is arranged to network side.
13., it is characterized in that said UE when also being used to enter into the state of suitable execution ANR reporting measuring result, reports the ANR measurement result to network according to each described system of claim 10～12.
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| CN201110107457.9A CN102761897B (en) | 2011-04-27 | 2011-04-27 | Method and system for realizing automatic neighbor cell relation measurement |
| PCT/CN2011/084675 WO2012146040A1 (en) | 2011-04-27 | 2011-12-26 | Method and system for implementing automatic neighbor relation measurement |
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| CN201110107457.9A CN102761897B (en) | 2011-04-27 | 2011-04-27 | Method and system for realizing automatic neighbor cell relation measurement |
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| WO2014071629A1 (en) * | 2012-11-12 | 2014-05-15 | Telefonaktiebolaget L M Ericsson (Publ) | Drx parameter configuration method and associated base station for facilitating anr measurement |
| CN103874094A (en) * | 2012-12-13 | 2014-06-18 | 中兴通讯股份有限公司 | ANR task execution method, ANR task execution system, ANR user equipment management method and ANR user equipment management device |
| WO2015109559A1 (en) * | 2014-01-26 | 2015-07-30 | 华为技术有限公司 | Cell reselection method, user equipment, and network device |
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- 2011-04-27 CN CN201110107457.9A patent/CN102761897B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| WO2012146040A1 (en) | 2012-11-01 |
| CN102761897B (en) | 2017-05-03 |
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