CN104519542A - A state transition pre-processing method, device and system - Google Patents
A state transition pre-processing method, device and system Download PDFInfo
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- CN104519542A CN104519542A CN201310447164.4A CN201310447164A CN104519542A CN 104519542 A CN104519542 A CN 104519542A CN 201310447164 A CN201310447164 A CN 201310447164A CN 104519542 A CN104519542 A CN 104519542A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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Abstract
The present invention discloses a state transition pre-processing method, device and system. The method comprises: a base station broadcasting pre-transition information; a terminal UE receiving the pre-transition information and measuring a receipt signal from an adjacent region to obtain a measurement result; the UE judging whether a pre-set report condition is met according to the measurement result; and when it is judged that the pre-set report condition is met, the UE reporting the measurement result to the base station. The state transition pre-processing method, device and system of the present invention can discover in time whether state change can cause the problem of covering cavities, thereby making a correct judgment to preventing certain UE from having a so sharp decreasing in quality of services that a service cell available for accessing cannot be found.
Description
Technical field
The present invention relates to wireless communication technology field, particularly relate to a kind of State Transferring preprocess method, device and system.
Background technology
Long Term Evolution (Long Term Evolution, LTE) project is G mobile communication (Third Generation, evolution 3G), it improves and enhances the aerial access technology of 3G, it adopts OFDM (Orthogonal Frequency Division Multiplexing, OFDM) technology and multiple-input and multiple-output (Multiple Inputs and Multiple Outputs, MIMO) technology, that is: multi-antenna technology is as the sole criterion of wireless network evolution.In addition, the reference signal major part in LTE is based on ZC(Zadoff-Chu) sequence, these sequences meet reference signal (Reference Signal, RS) ideal characterisitics, 0db cubic metric (Cubic Metric, CM), desirable circulation auto-correlation and the cross-correlation of optimum.Good cross-correlation make Received signal strength and target sequence do time domain relevant after, the expansion that its interference signal is average in time domain, can guarantee to expectation channel tap detect more reliably.Correlation between any cyclic shift of i.e. a ZC sequence and same ZC sequence is 0, when channel impulse response has limit for length, different transmitters can use the different cyclic shifts of same RS basic sequence, as long as cyclic shift is longer than channel impulse response, just can keep orthogonal between RS.Senior Long Term Evolution (LTE-Advanced, LTE-A) is the follow-up evolution of LTE technology.In order to meet the various demand parameters of 4G, the several key technologies for LTE-A are suggested, and comprise carrier aggregation, coordinate multipoint transmission and reception, relay transmission and multiple antennas enhancing etc.
Heterogeneous network system is a kind of novel network architecture proposed in LTE, as shown in Figure 1, in this new framework, multiple maximum transmission power can be settled in the geographical coverage area of a macro base station (macro cell) lower and the little base station (small cell) that coverage is less, in a macro base station coverage, little base station more close for geographical position can be considered as one bunch (cluster), little base station mainly can be divided into two large classes: a class is placed in outdoor, is called small base station (pico); An other class is placed in indoor, be called Home eNodeB (Home eNodeB, HeNB), if the number of the small cell placed in a macrocell overlay area is less, within such as four, we are then regarded as the sparse deployment scenario of small cell, if the number of the small cell placed in a macro cell overlay area is more, such as more than ten, we are then regarded as small cell dense deployment scene, and the interference under this scene between small cell can be quite serious.In existing technology, no matter send with or without data, for existing compatible carrier wave type, each subframe must send public reference signal (Common Reference Signal, CRS), otherwise terminal (User Equipment, UE) None-identified.So not only waste resource, waste power, also can cause interference to other base stations simultaneously, therefore, the power saving of base station is proposed in correlation technique, this technology proposes base station does not need all moment all to keep open state, and when load factor declines or be excessive to other area interference, shutdown or dormancy can be selected thus energy-saving power in base station, simultaneously, a kind of novel carrier type is also proposed in correlation technique, the principal character of this Novel carrier wave type is that its CRS can not each subframe send out, such as can send once (the preferred value of N is 5) every N number of subframe, or in time having data to send, just send CRS, just CRS is not sent out when not having data to send, therefore when needing without downlink data to send, the new carrier type of NCT ((nNew Ccarrier Ttype, be called for short, NCT)) any data can not sent without in the subframe of CRS, compare compatible carrier wave ((Bbackward Ccarrier Ttype, be called for short, BCT)), NCT has energy-conservation characteristic, therefore the carrier type that base station sends also can switch as required between compatible carrier wave and Novel carrier wave, in addition, for small cell, the flexibility based on safety and practicality is considered, it also can select flexibly and convert between closed user group (Closed Subscriber Group, CSG) community and open community.
In sum, based on reasons such as energy-conservation or reduction interference, base station existence conversion requirements, at least comprises a class of following three classes:
(1) start shooting (ON) and shut down (OFF), the state variation normally and between dormancy (dormant)
(2) state variation between NCT and BCT
(3) state variation between CSG cell and open cell
Due to the restriction of the factors such as UE ability, after cell status changes, part UE possibly cannot continue to reside in former community, and comprise the UE of free time (IDLE) state and the UE of connected state, the former needs to carry out cell reselection, and latter needs to carry out cell merge.So just may there is a problem, because the ability of Idle state UE is not known in base station, Idle state UE nearby region measurement result is not known yet, whether can produce after therefore also just cannot judging to carry out State Transferring and cover cavity, the described cavity that covers refers to the non-constant of service quality that community provides to such an extent as to can not meet the demand of UE or UE cannot find the community that can access.In like manner, for connected state UE, owing to there is s-measure criterion, i.e. s measuring criterion, this principle states: UE receives and just opens nearby region measurement lower than during given threshold value, therefore, when the service quality of UE is better from the signal power of serving BS or signal quality, base station may not receive connected state UE nearby region measurement yet and reports, and does not know whether neighbor cell can be served for UE.For example, as shown in Figure 1, for UE1, Serving cell is pico7, if pico7 is in order to energy-conservation and transfer off state to, so UE1 can only access macro cell, but because UE1 is positioned at the edge of macro cell, the non-constant of service quality possibility can not meet the demand of UE.As shown in Figure 2, under the scene covered without macro, for UE2, Serving cell is pico3, if pico3 is in order to energy-conservation and transfer off state to, so UE2 may can not find the community that can access completely.That is: base station is directly carried out cell status conversion part UE service quality may be caused to decline to a great extent the Serving cell even cannot found and can access.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of State Transferring preprocess method, device and system, whether can bring the problem covering cavity to UE by Timeliness coverage State Transferring, thus make correct judgement, in order to avoid some UE service quality is caused to decline to a great extent the Serving cell even cannot found and can access.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of State Transferring preprocess method, described method comprises:
Base station broadcast pre-converted information;
Terminal UE receives described pre-converted information, and the Received signal strength measured from adjacent area obtains measurement result;
Described UE judges whether according to described measurement result to meet the report condition preset;
When judging to meet the report condition preset, described UE reports described measurement result to described base station;
Described pre-converted information include but not limited to following one or more: instruction base station state conversion prepare, indicating status translation type, indicating status conversion time parameter, instruction measurement reports time parameter, indicate and meet for determining the parameter measured and report threshold value, instruction needs the UE type of report measurement information, reported event type is measured in instruction, the running time-frequency resource information of distributing during instruction UE report measurement results, the generation parameter of the ZC sequence sent during instruction UE report measurement results.
Preferably, report described measurement result to after described base station at UE, described method also comprises:
Base station receives the measurement result that UE reports, and is that starting state is changed or abandons State Transferring according to described measurement result judgement.
Preferably, described measurement obtains measurement result from the Received signal strength of adjacent area, for:
UE detects from the Reference Signal Received Power RSRP of neighbor cell or Reference Signal Received Quality RSRQ;
When from RSRP or the RSRQ value on all optional frequency of all neighbor cells all lower than threshold value N1, then measurement result show exist cover cavity;
When RSRP or the RSRQ value of neighbor cell is higher than threshold value N1, but the instruction of the system message of neighbor cell does not allow described UE to access, then measurement result shows to there is covering cavity;
When RSRP or the RSRQ value of neighbor cell is higher than threshold value N1, and the instruction of the system message of neighbor cell allows described UE access, then measurement result shows to there is not covering cavity.
Preferably, for the UE being in connected state, before measuring and obtaining measurement result from the Received signal strength of adjacent area, described method also comprises:
Cancel the restriction of s-measure threshold value.
Preferably, for the UE being in Idle state, described UE report measurement results gives described base station, for:
Described UE, at specific running time-frequency resource, sends ZC sequence by the msg1 in random access procedure or carrys out report measurement results by the msg3 in random access procedure; Described running time-frequency resource is carried in pre-converted information, or protocol conventions in advance; Or,
Described UE sends specific ZC sequence by the msg1 in random access procedure and carrys out report measurement results; Described specific ZC sequence generates parameter and is carried in pre-converted information, or protocol conventions in advance.
Preferably, for the UE being in connected state, described UE report measurement results gives described base station, for:
Described UE carrys out report measurement results by the ascending resource of base station assigns.
Preferably, described pre-converted information comprises: State Transferring time parameter;
Accordingly, described method also comprises:
UE determines measurement is called time according to State Transferring time parameter, obtains measurement result and report before described measurement is called time.
The invention provides a kind of State Transferring pretreatment system, described system comprises: base station and at least one terminal UE; Wherein,
Described base station, for broadcasting pre-converted information; Also for receiving the measurement result that UE reports;
Described UE, for receiving the pre-converted information of described base station broadcast, and the Received signal strength measured from adjacent area obtains measurement result; Also meet for judging whether according to measurement result the report condition preset; When judging to meet the report condition preset, report measurement results gives described base station;
Described pre-converted information include but not limited to following one or more: instruction base station state conversion prepare, indicating status translation type, indicating status conversion time parameter, instruction measurement reports time parameter, indicate and meet for determining the parameter measured and report threshold value, instruction needs the UE type of report measurement information, reported event type is measured in instruction, the running time-frequency resource information of distributing during instruction UE report measurement results, the generation parameter of the ZC sequence sent during instruction UE report measurement results.
Preferably, also for being starting state conversion according to described measurement result judgement or abandoning State Transferring.
The invention provides a kind of base station, described base station comprises: the first sending module and the first receiver module; Wherein,
Described first sending module, for broadcasting pre-converted information;
Described first receiver module, for receiving the measurement result that UE reports;
Described pre-converted information include but not limited to following one or more: instruction base station state conversion prepare, indicating status translation type, indicating status conversion time parameter, instruction measurement reports time parameter, indicate and meet for determining the parameter measured and report threshold value, instruction needs the UE type of report measurement information, reported event type is measured in instruction, the running time-frequency resource information of distributing during instruction UE report measurement results, the generation parameter of the ZC sequence sent during instruction UE report measurement results.
Preferably, described base station also comprises:
First determination module, the measurement result judgement for receiving according to described first receiver module is starting state conversion or abandons State Transferring
The invention provides a kind of terminal, described terminal comprises: the second receiver module, measurement module, the second determination module and the second sending module; Wherein,
Described second receiver module, for receiving the pre-converted information of base station broadcast;
Described measurement module, obtains measurement result for the Received signal strength measured from adjacent area;
Described second determination module, meets for judging whether according to measurement result the report condition preset;
Described second sending module, for when described second determination module judges to meet the report condition preset, report measurement results gives described base station.
Preferably, described measurement module, specifically for detecting from the Reference Signal Received Power RSRP of neighbor cell or Reference Signal Received Quality RSRQ;
When from RSRP or the RSRQ value on all optional frequency of all neighbor cells all lower than threshold value N1, then measurement result show exist cover cavity;
When RSRP or the RSRQ value of neighbor cell is higher than threshold value N1, but the instruction of the system message of neighbor cell does not allow described UE to access, then measurement result shows to there is covering cavity;
When RSRP or the RSRQ value of neighbor cell is higher than threshold value N1, and the instruction of the system message of neighbor cell allows described UE access, then measurement result shows to there is not covering cavity.
Preferably, for the UE being in Idle state, described second sending module, specifically at specific running time-frequency resource, sends ZC sequence by the msg1 in random access procedure or carrys out report measurement results by the msg3 in random access procedure; Described running time-frequency resource is carried in pre-converted information, or protocol conventions in advance; Or,
Send specific ZC sequence by the msg1 in random access procedure and carry out report measurement results; Described specific ZC sequence is carried in pre-converted information, or protocol conventions in advance.
Preferably, for the UE being in connected state, described second sending module, carrys out report measurement results specifically for the ascending resource by base station assigns.
Preferably, described pre-converted information comprises: State Transferring time parameter;
Accordingly, described UE also comprises: time determination module, calls time for determining according to State Transferring time parameter to measure;
Described measurement module obtains measurement result before calling time in described measurement, report measurement results before described second sending module calls time in described measurement.
As from the foregoing, technical scheme of the present invention comprises: base station broadcast pre-converted information; Terminal UE receives described pre-converted information, and the Received signal strength measured from adjacent area obtains measurement result; Described UE judges whether according to described measurement result to meet the report condition preset; When judging to meet the report condition preset, described UE reports described measurement result to described base station; Base station receives the measurement result that UE reports, and is that starting state is changed or abandons State Transferring according to described measurement result judgement.Thus, the present invention carries out nearby region measurement by broadcast announcement UE, and UE by measuring the covering cavity finding to occur, and reports base station, so that base station determines the need of abandoning conversion.By this processing method, whether base station Discovery Status conversion timely can bring the problem covering cavity to UE, thus make correct judgement, in order to avoid cause some UE service quality to decline to a great extent the Serving cell even cannot found and can access, thus improve service quality, promote Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is a kind of network architecture schematic diagram of existing heterogeneous network system macro and pico when coexisting;
Fig. 2 is that existing heterogeneous network system covers without macro, a kind of network architecture schematic diagram of only pico existence;
Fig. 3 is the schematic flow sheet of the embodiment of State Transferring preprocess method of the present invention;
Fig. 4 is the structural representation of the embodiment of State Transferring pretreatment system of the present invention;
Fig. 5 is the structural representation of the embodiment of base station of the present invention;
Fig. 6 is the structural representation of the embodiment of terminal of the present invention;
Fig. 7 is the implementing procedure figure of base station and terminal in embodiment one;
Fig. 8 is the implementing procedure figure of base station and terminal in embodiment nine.
Embodiment
The embodiment of a kind of State Transferring preprocess method provided by the invention, as shown in Figure 3, described method comprises:
Step 301, base station broadcast pre-converted information;
Here, described pre-converted information include but not limited to following one or more: instruction base station state conversion prepare; Indicating status translation type; Indicating status conversion time parameter; Instruction measurement reports time parameter; Indicate and meet for determining the parameter measured and report threshold value; Instruction needs the UE type of report measurement information; Reported event type is measured in instruction;
Wherein, described State Transferring type includes but not limited to following one: base station start is changed with shutdown; Base station normal mode and park mode are changed; Base station sends first kind carrier wave and the conversion sending Second Type carrier wave; Base station is as CSG cell and the conversion as open cell.
Step 302, UE receive described pre-converted information, and the Received signal strength measured from adjacent area obtains measurement result;
Step 303, described UE judge whether according to described measurement result to meet the report condition preset;
Step 304, when judge meet preset report condition time, described UE report described measurement result give described base station;
Here, when UE can provide the neighbor cell of service by measurement discovery existence, service available neighbor cell is also reported to identify.
Preferably, report described measurement result to after described base station at UE, described method also comprises:
Base station receives the measurement result that UE reports, and is that starting state is changed or abandons State Transferring according to described measurement result judgement.
Preferably, described measurement obtains measurement result from the Received signal strength of adjacent area, Ke Yiwei:
UE detects from the Reference Signal Received Power (Reference Signal ReceivedPower, RSRP) of neighbor cell or Reference Signal Received Quality (Reference Signal Received Quality, RSRQ);
When from RSRP or the RSRQ value on all optional frequency of all neighbor cells all lower than threshold value N1, then measurement result show exist cover cavity;
When RSRP or the RSRQ value of neighbor cell is higher than threshold value N1, but the instruction of the system message of neighbor cell does not allow described UE to access, then measurement result shows to there is covering cavity;
When RSRP or the RSRQ value of neighbor cell is higher than threshold value N1, and the instruction of the system message of neighbor cell allows described UE access, then measurement result shows to there is not covering cavity.
Preferably, for the UE being in connected state, before measuring and obtaining measurement result from the Received signal strength of adjacent area, described method also comprises:
Cancel the restriction of s-measure threshold value.
Preferably, for the UE being in Idle state, described UE report measurement results gives described base station, Ke Yiwei:
Described UE, at specific running time-frequency resource, sends ZC sequence by the msg1 in random access procedure or carrys out report measurement results by the msg3 in random access procedure; Described running time-frequency resource is carried in pre-converted information, or protocol conventions in advance; Or,
Described UE sends specific ZC sequence by the msg1 in random access procedure and carrys out report measurement results; Described specific ZC sequence is carried in pre-converted information, or protocol conventions in advance.
Preferably, for the UE being in connected state, described UE report measurement results gives described base station, Ke Yiwei:
Described UE carrys out report measurement results by the ascending resource of base station assigns.
Preferably, described pre-converted information comprises: State Transferring time parameter;
Accordingly, described method also comprises:
UE determines measurement is called time according to State Transferring time parameter, obtains measurement result and report before described measurement is called time.
The embodiment of a kind of State Transferring pretreatment system provided by the invention, as shown in Figure 4, described system comprises: base station 401 and UE402; Wherein,
Described base station 401, for broadcasting pre-converted information; Also for receiving the measurement result that UE402 reports.
Described pre-converted information include but not limited to following one or more: instruction base station state conversion prepare, indicating status translation type, indicating status conversion time parameter, instruction measurement reports time parameter, indicate and meet for determining the parameter measured and report threshold value, instruction needs the UE type of report measurement information, reported event type is measured in instruction, the running time-frequency resource information of distributing during instruction UE report measurement results, the generation parameter of the ZC sequence sent during instruction UE report measurement results.
Described UE402, for receiving the pre-converted information of described base station broadcast, and the Received signal strength measured from adjacent area obtains measurement result; Also meet for judging whether according to measurement result the report condition preset; When judging to meet the report condition preset, report measurement results gives described base station.
Preferably, described base station 401, also for being starting state conversion according to described measurement result judgement or abandoning State Transferring.
The embodiment of a kind of base station provided by the invention, as shown in Figure 5, described base station comprises: the first sending module 501 and the first receiver module 502; Wherein,
Described first sending module 501, for broadcasting pre-converted information;
Described pre-converted information include but not limited to following one or more: instruction base station state conversion prepare, indicating status translation type, indicating status conversion time parameter, instruction measurement reports time parameter, indicate and meet for determining the parameter measured and report threshold value, instruction needs the UE type of report measurement information, reported event type is measured in instruction, the running time-frequency resource information of distributing during instruction UE report measurement results, the generation parameter of the ZC sequence sent during instruction UE report measurement results,
Described first receiver module 502, for receiving the measurement result that UE reports;
Preferably, described base station also comprises: the first determination module 503, and the measurement result judgement for receiving according to described first receiver module 502 is starting state conversion or abandons State Transferring.
In actual applications, described first sending module 501, first receiver module 502, first determination module can by the central processing unit (CPU in base station, Central Processing Unit), digital signal processor (DSP, Digital Signal Processor) or programmable logic array (FPGA, Field-Programmable Gate Array) realization.
The embodiment of a kind of terminal provided by the invention, as shown in Figure 6, described terminal comprises: the second receiver module 601, measurement module 602, second determination module 603 and the second sending module 604; Wherein,
Described second receiver module 601, for receiving the pre-converted information of base station broadcast;
Described measurement module 602, obtains measurement result for the Received signal strength measured from adjacent area;
Described second determination module 603, meets for judging whether according to measurement result the report condition preset;
Described second sending module 604, for when described second determination module 603 judges to meet the report condition preset, report measurement results gives described base station.
Preferably, described measurement module 602, specifically for detecting from the Reference Signal Received Power RSRP of neighbor cell or Reference Signal Received Quality RSRQ;
When from RSRP or the RSRQ value on all optional frequency of all neighbor cells all lower than threshold value N1, then measurement result show exist cover cavity;
When RSRP or the RSRQ value of neighbor cell is higher than threshold value N1, but the instruction of the system message of neighbor cell does not allow described UE to access, then measurement result shows to there is covering cavity;
When RSRP or the RSRQ value of neighbor cell is higher than threshold value N1, and the instruction of the system message of neighbor cell allows described UE access, then measurement result shows to there is not covering cavity.
Preferably, for the UE being in Idle state, described second sending module 604, specifically at specific running time-frequency resource, sends ZC sequence by the msg1 in random access procedure or carrys out report measurement results by the msg3 in random access procedure; Described running time-frequency resource is carried in pre-converted information, or protocol conventions in advance; Or,
Send specific ZC sequence by the msg1 in random access procedure and carry out report measurement results; Described specific ZC sequence is carried in pre-converted information, or protocol conventions in advance.
Preferably, for the UE being in connected state, described second sending module 604, carrys out report measurement results specifically for the ascending resource by base station assigns.
Preferably, described pre-converted information comprises: State Transferring time parameter;
Accordingly, described UE also comprises: time determination module 605, calls time for determining according to State Transferring time parameter to measure;
Described measurement module 602 obtains measurement result before calling time in described measurement, report measurement results before described second sending module 604 calls time in described measurement.
In actual applications, described second receiver module 601, measurement module 602, second determination module 603, second sending module 604 and time determination module 605 can be realized by CPU, DSP or the FPGA in UE.
Below in conjunction with specific embodiment, a kind of State Transferring preprocess method provided by the invention is described in detail.
Embodiment one
A kind of State Transferring preprocess method that the present embodiment provides, as shown in Figure 7, comprising:
Step 701: community indicates base station to be in the State Transferring preparatory stage in broadcast or beep-page message.
Wherein, described State Transferring includes but not limited to following one:
Base station start is changed with shutdown;
Base station normal mode and park mode are changed;
Described broadcast or beep-page message include but not limited to following one or more:
State Transferring type;
State Transferring time parameter;
Measurement reports time parameter;
The parameter measured and report threshold value is met for determining;
Measure reported event type;
Step 702:UE receives after described instruction base station is in the message of State Transferring preparatory stage, carries out nearby region measurement, judges whether cause covering cavity according to measurement result.
Wherein, described UE comprises: all connected state UE and Idle state UE;
For Idle state UE, determined whether there is the neighbor cell that service can be provided by nearby region measurement.
Particularly: described UE detects RSRP or RSRQ from neighbor cell, if from RSRP or the RSRQ value on all optional frequency of all neighbor cells all lower than threshold value N1, then show to there is covering cavity; Suppose to find RSRP or the RSRQ value of neighbor cell cell2 and cell3 all higher than threshold value N1, then receive the system message of cell2 and cell3 further, judge whether cell2 and cell3 allows described UE to access by system message, if all do not allow described UE to access, then show to there is covering cavity.
For connected state UE, automatically cancel the restriction of s-measure threshold value, trigger nearby region measurement, determined whether there is the neighbor cell that service can be provided by nearby region measurement.
Particularly: described UE detects RSRP or RSRQ from neighbor cell, if from RSRP or the RSRQ value on all optional frequency of all neighbor cells all lower than threshold value N1, then show to there is covering cavity; Suppose to find RSRP or the RSRQ value of neighbor cell cell2 and cell3 all higher than threshold value N1, then receive the system message of cell2 and cell3 further, judge whether cell2 and cell3 allows described UE to access by system message, if all do not allow described UE to access, then show to there is covering cavity.
Wherein, N1 can determine according to existing in existing protocol respective broadcast message elements (InformationElelment, IE); Or:
Determine according to the broadcast described in step 701 or beep-page message.
Preferably, UE is once find RSRP or RSRQ value higher than threshold value N1 and can stop continuing to measure, without the need to report measurement results behind the adjacent area of permission access.
Preferably, UE determines measurement is called time according to the State Transferring time parameter in the broadcast of step 701 or beep-page message, performs above-mentioned nearby region measurement before only calling time in measurement.
Step 703: if UE covers cavity by measuring and it is determined that the presence of, then perform the operation of following at least one, comprising: exigency report; Extremely report; Special circumstances report; Cover cavity to report.
For Idle state UE, by the message 1 in random access procedure, i.e. msg1 report measurement results, particularly:
Described Idle state UE sends ZC sequence at specific running time-frequency resource;
Wherein said running time-frequency resource is notified in broadcast by base station, or base station and UE bilateral agreement agreement;
Step 704: if base station receives the message that UE in step 703 reports, then abandon State Transferring.
Embodiment two
The difference of the present embodiment and embodiment one is the method for Idle state UE report measurement results in step 703:
For Idle state UE, by the msg1 report measurement results in random access procedure, particularly:
Described Idle state UE sends specific ZC sequence.
Wherein, described specific ZC sequence generates parameter and is notified in broadcast by base station, or base station and UE bilateral agreement agreement.
Or, for Idle state UE, by the msg3 report measurement results in random access procedure.
Embodiment three
The difference of the present embodiment and embodiment one is:
Step 701: community indicates base station to be in the carrier type State Transferring preparatory stage in broadcast or beep-page message;
After the UE with NCT recognition capability receives described broadcast or beep-page message, without the need to performing any step 702 and step 703;
After the UE without NCT recognition capability receives described broadcast or beep-page message, need to perform the step 702 in embodiment one and step 703;
Step 704 is with the step 704 in embodiment one.
Embodiment four
The difference of the present embodiment and embodiment three is the method for Idle state UE report measurement results in step 703:
For Idle state UE, by the msg1 report measurement results in random access procedure, particularly:
Described Idle state UE sends specific ZC sequence.
Wherein, the generation parameter of described specific ZC sequence is notified in broadcast by base station, or base station and UE bilateral agreement agreement.
Or, for Idle state UE, by the message 3 in random access procedure, i.e. msg3 report measurement results.
Embodiment five
The difference of the present embodiment and embodiment one is:
Step 701: community indicates base station to be in the preparatory stage that open cell is converted to CSG cell in broadcast or beep-page message;
Having described CSG cell accesses after the UE of authority receives described broadcast or beep-page message, without the need to performing any step 702 and step 703;
Not having described CSG cell accesses after the UE of authority receives described broadcast or beep-page message, needs to perform the step 702 in embodiment one and step 703;
Step 704 is with the step 704 of embodiment one.
Embodiment six
The difference of the present embodiment and embodiment five is the method for Idle state UE report measurement results in step 703:
For Idle state UE, by the msg1 report measurement results in random access procedure, particularly:
Described Idle state UE sends specific ZC sequence.
Wherein, the generation parameter of described specific ZC sequence is notified in broadcast by base station, or base station and UE bilateral agreement agreement.
Or, for Idle state UE, by the msg3 report measurement results in random access procedure.
Embodiment seven
The present embodiment only relates to the operation of Idle state UE.
Step 701: community in broadcast or beep-page message instruction meet the Idle state UE needs report measurement results of trigger condition.
Wherein, broadcast include but not limited to following one or more:
The time parameter of report measurement results;
For determining to measure the parameter reporting threshold value.
Wherein, meet trigger condition to comprise:
Community cannot continue to access described community after there is State Transferring;
RSRP or RSRQ measured value cannot be found higher than the adjacent area of threshold value within the time limited.
Step 702: after Idle state UE receives the broadcast Indication message in step 1, opens nearby region measurement, judges whether to exist to cover cavity;
Idle state UE calls time according to the broadcast message received and the proprietary information determination measurement result of UE calling time or only determining to measure according to broadcast message, and RSRP or RSRQ measured before this moment from all neighbor cells on all optional frequencies, if measure obtain from RSRP or the RSRQ value on all optional frequency of all neighbor cells all lower than threshold value N1, then show to exist cover empty; Suppose only to find RSRP or the RSRQ value of neighbor cell cell2 and cell3 all higher than threshold value N1 within the time limited, then receive the system message of cell2 and cell3 further, judge whether cell2 and cell3 allows described UE to access by system message, if all do not allow described UE to access, then show to there is covering cavity;
Wherein, N1 determines according to broadcast.Wherein, described broadcast comprises:
Broadcast described in step 701, or:
Other broadcasts in existing protocol.
Step 703: if UE covers cavity by measuring and it is determined that the presence of, then perform the operation of following at least one, comprising: exigency report; Extremely report; Special circumstances report; Cover cavity to report.
For Idle state UE, by the msg1 report measurement results in random access procedure, particularly:
Described Idle state UE sends ZC sequence at specific running time-frequency resource;
Wherein said running time-frequency resource is notified in broadcast by base station, or base station and UE bilateral agreement agreement;
Step 704: if base station receives the message that UE in step 3 reports, then abandon State Transferring.
Step 704 is option, can not exist.
Embodiment eight
The difference of the present embodiment and embodiment seven is the method for Idle state UE report measurement results in step 703:
For Idle state UE, by the msg1 report measurement results in random access procedure, particularly:
Described Idle state UE sends specific ZC sequence.
Wherein, the generation parameter of described specific ZC sequence is notified in broadcast by base station, or base station and UE bilateral agreement agreement.
Or, for Idle state UE, by the msg3 report measurement results in random access procedure.
Embodiment nine
The difference of the present embodiment and embodiment seven is mainly the operation except regulation Idle state UE to also specify the operation of connected state UE simultaneously.
Step 801: community indicates the particular UE needs report measurement results meeting trigger condition in broadcast or beep-page message.
Wherein, broadcast includes but not limited to:
The time parameter of report measurement results;
For determining to measure the parameter reporting threshold value;
Measure reported event type;
Wherein, meet trigger condition to comprise:
Community cannot continue to access described community after there is State Transferring;
RSRP or RSRQ measured value cannot be found higher than the adjacent area of threshold value within the time limited.
Community cannot be continued the UE accessing described community, comprise Idle state UE and connected state UE after being there is State Transferring.
After step 802:UE receives the broadcast Indication message in step 801, open nearby region measurement, judge whether to need report measurement results;
Described UE comprises connected state UE and Idle state UE.
UE calls time according to the broadcast message received and the proprietary information determination measurement result of UE calling time or only determining to measure according to broadcast message, and RSRP or RSRQ measured before this moment from all neighbor cells on all optional frequencies, if measure obtain from RSRP or the RSRQ value on all optional frequency of all neighbor cells all lower than threshold value N1, then show to exist cover empty; Suppose only to find RSRP or the RSRQ value of neighbor cell cell2 and cell3 all higher than threshold value N1 within the time limited, then receive the system message of cell2 and cell3 further, judge whether cell2 and cell3 allows described UE to access by system message, if all do not allow described UE to access, then show to there is covering cavity;
Wherein, N1 determines according to broadcast.
Step 803: if UE judges the condition meeting report measurement results, then perform the operation of following at least one, comprising: exigency report; Extremely report; Special circumstances report; Cover cavity to report.
For Idle state UE, by the msg1 report measurement results in random access procedure, particularly:
Described Idle state UE sends ZC sequence at specific running time-frequency resource;
Wherein said running time-frequency resource is notified in broadcast by base station, or base station and UE bilateral agreement agreement;
For connected state UE, then by the ascending resource report measurement results of cell allocation.
Step 804: the message that in base station receiving step 803, UE reports, adjudicate, include but not limited to:
If receive the message that UE in step 803 reports, then abandon State Transferring.
Step 804 is option, can not exist.
Embodiment ten
The difference of the present embodiment and embodiment nine is the method for Idle state UE report measurement results in step 803:
For Idle state UE, by the msg1 report measurement results in random access procedure, particularly:
Described Idle state UE sends specific ZC sequence.
Wherein, the generation parameter of described specific ZC sequence is notified in broadcast by base station, or base station and UE bilateral agreement agreement.
Or, for Idle state UE, by the msg3 report measurement results in random access procedure.
Embodiment 11
The difference of the present embodiment and embodiment nine is: broadcast comprises the UE type needing report measurement information.
Step 801: community indicates the particular UE needs report measurement results meeting trigger condition in broadcast or beep-page message.
Wherein, broadcast comprises:
The time parameter of report measurement results;
For determining to measure the parameter reporting threshold value;
Need the UE type of report measurement information.
Wherein, meet trigger condition to comprise:
Community cannot continue to access described community after there is State Transferring;
RSRP or RSRQ measured value cannot be found higher than threshold value and the adjacent area that can access within the time limited.
Community cannot be continued the UE accessing described community, comprise Idle state UE and connected state UE after being there is State Transferring.
After UE receives described broadcast or beep-page message, if do not belong to the UE type needing report measurement information, then without the need to performing any step 802 and step 803;
After UE receives described broadcast or beep-page message, if belong to the UE type needing report measurement information, then need to perform the step 802 in embodiment nine and step 803;
Step 804 is with the step 804 of embodiment nine.
Step 804 is option, can not exist.
Embodiment 12
The difference of the present embodiment and embodiment 11 is the method for Idle state UE report measurement results in step 3:
For Idle state UE, by the msg1 report measurement results in random access procedure, particularly:
Described Idle state UE sends specific ZC sequence.
Wherein, the generation parameter of described specific ZC sequence is notified in broadcast by base station, or base station and UE bilateral agreement agreement.
Or, for Idle state UE, by the msg3 report measurement results in random access procedure.
Embodiment 13
For Idle state UE, the present embodiment is identical with embodiment one processing mode, and for connected state UE, processing mode is different.Particularly:
Step 1, base station broadcast pre-converted information;
In step 2, for connected state UE, after receiving the pre-converted information described in step 1, more new events triggers and reports criterion to be A4, that is, adjacent cell is better than absolute door limit value.
Step 3: connected state UE by nearby region measurement once find there is RSRP or the RSRQ adjacent area higher than threshold value N1, then report measurement results.
Preferably: can stop after described connected state UE report measurement results measuring and find RSRP or the RSRQ adjacent area higher than threshold value N1.
Step 4: if base station receives the message that in step 3, Idle state UE reports within a period of time, and/or:
Base station does not receive the measurement result that all connected state UE report within a period of time;
Then abandon State Transferring.
Embodiment 14
In above-mentioned all embodiments, as Idle state UE, when sending specific Z C sequence report measurement results by the msg1 in random access procedure, wherein, described specific ZC sequence is notified in broadcast by base station, or base station and UE bilateral agreement agreement, particularly:
Each community has M bar for the sequence sending msg1, supposes that numbering is respectively 1 ~ M, can increase one newly and come for report measurement results.That is, UE still selects original 1 ~ M bar to carry out random access procedure, when meeting reporting measurement condition, then sends M+L article of sequence;
Wherein, M, L are integer, by the IE unit instruction in the system message of Cell Broadcast CB.
Or protocol conventions by both party:
Preferably, M=64 or M=128
Preferably, L=1.
Embodiment 15
In above-mentioned all embodiments, as Idle state UE, when sending specific Z C sequence report measurement results by the msg1 in random access procedure, wherein, described specific ZC sequence is notified in broadcast by base station, or base station and UE bilateral agreement agreement, particularly:
Each community has M bar for the sequence sending msg1, supposes that numbering is respectively 1 ~ M, can reserve wherein one come for report measurement results, be assumed to be L article of sequence.That is, UE selects original M-1 article of sequence except L article of sequence to perform normal random access procedure, when meeting reporting measurement condition, then sends L article of sequence;
Wherein, M, L are integer, by the IE unit instruction in the system message of Cell Broadcast CB.
Or protocol conventions by both party:
Preferably, M=64 or M=128
Preferably, L=M or L=1 or L=Ncf
Wherein, Ncf is by indicating in the system message of Cell Broadcast CB.
In sum, the embodiment of the present invention carries out nearby region measurement by base station broadcast notice UE, and UE by measuring the covering cavity finding to occur, and reports base station, so that base station determines the need of abandoning conversion.By this processing method, whether base station Discovery Status conversion timely can bring the problem covering cavity to UE, make correct judgement, the situation of the Serving cell that can access even cannot be found to occur in order to avoid cause some UE service quality to decline to a great extent, thus improve service quality, promote Consumer's Experience.
Obviously, it is apparent to those skilled in the art that above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or are distributed on network that multiple calculation element forms.Alternatively, they can realize with the executable program code of calculation element, thus they storages can be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (16)
1. a State Transferring preprocess method, is characterized in that, described method comprises:
Base station broadcast pre-converted information;
Terminal UE receives described pre-converted information, and the Received signal strength measured from adjacent area obtains measurement result;
Described UE judges whether according to described measurement result to meet the report condition preset;
When judging to meet the report condition preset, described UE reports described measurement result to described base station;
Described pre-converted information include but not limited to following one or more: instruction base station state conversion prepare, indicating status translation type, indicating status conversion time parameter, instruction measurement reports time parameter, indicate and meet for determining the parameter measured and report threshold value, instruction needs the UE type of report measurement information, reported event type is measured in instruction, the running time-frequency resource information of distributing during instruction UE report measurement results, the generation parameter of the ZC sequence sent during instruction UE report measurement results.
2. method according to claim 1, is characterized in that, report described measurement result to after described base station at UE, described method also comprises:
Base station receives the measurement result that UE reports, and is that starting state is changed or abandons State Transferring according to described measurement result judgement.
3. method according to claim 1 and 2, is characterized in that, described measurement obtains measurement result from the Received signal strength of adjacent area, for:
UE detects from the Reference Signal Received Power RSRP of neighbor cell or Reference Signal Received Quality RSRQ;
When from RSRP or the RSRQ value on all optional frequency of all neighbor cells all lower than threshold value N1, then measurement result show exist cover cavity;
When RSRP or the RSRQ value of neighbor cell is higher than threshold value N1, but the instruction of the system message of neighbor cell does not allow described UE to access, then measurement result shows to there is covering cavity;
When RSRP or the RSRQ value of neighbor cell is higher than threshold value N1, and the instruction of the system message of neighbor cell allows described UE access, then measurement result shows to there is not covering cavity.
4. method according to claim 1 and 2, is characterized in that, for the UE being in connected state, before measuring and obtaining measurement result from the Received signal strength of adjacent area, described method also comprises:
Cancel the restriction of s-measure threshold value.
5. method according to claim 1 and 2, is characterized in that, for the UE being in Idle state, described UE report measurement results gives described base station, for:
Described UE, at specific running time-frequency resource, sends ZC sequence by the msg1 in random access procedure or carrys out report measurement results by the msg3 in random access procedure; Described running time-frequency resource is carried in pre-converted information, or protocol conventions in advance; Or,
Described UE sends specific ZC sequence by the msg1 in random access procedure and carrys out report measurement results; Described specific ZC sequence generates parameter and is carried in pre-converted information, or protocol conventions in advance.
6. method according to claim 1 and 2, is characterized in that, for the UE being in connected state, described UE report measurement results gives described base station, for:
Described UE carrys out report measurement results by the ascending resource of base station assigns.
7. method according to claim 1, is characterized in that, described pre-converted information comprises: State Transferring time parameter;
Accordingly, described method also comprises:
UE determines measurement is called time according to State Transferring time parameter, obtains measurement result and report before described measurement is called time.
8. a State Transferring pretreatment system, is characterized in that, described system comprises: base station and at least one terminal UE; Wherein,
Described base station, for broadcasting pre-converted information; Also for receiving the measurement result that UE reports;
Described UE, for receiving the pre-converted information of described base station broadcast, and the Received signal strength measured from adjacent area obtains measurement result; Also meet for judging whether according to measurement result the report condition preset; When judging to meet the report condition preset, report measurement results gives described base station;
Described pre-converted information include but not limited to following one or more: instruction base station state conversion prepare, indicating status translation type, indicating status conversion time parameter, instruction measurement reports time parameter, indicate and meet for determining the parameter measured and report threshold value, instruction needs the UE type of report measurement information, reported event type is measured in instruction, the running time-frequency resource information of distributing during instruction UE report measurement results, the generation parameter of the ZC sequence sent during instruction UE report measurement results.
9. system according to claim 8, is characterized in that, described base station, also for being starting state conversion according to described measurement result judgement or abandoning State Transferring.
10. a base station, is characterized in that, described base station comprises: the first sending module and the first receiver module; Wherein,
Described first sending module, for broadcasting pre-converted information;
Described first receiver module, for receiving the measurement result that UE reports;
Described pre-converted information include but not limited to following one or more: instruction base station state conversion prepare, indicating status translation type, indicating status conversion time parameter, instruction measurement reports time parameter, indicate and meet for determining the parameter measured and report threshold value, instruction needs the UE type of report measurement information, reported event type is measured in instruction, the running time-frequency resource information of distributing during instruction UE report measurement results, the generation parameter of the ZC sequence sent during instruction UE report measurement results.
11. systems according to claim 10, is characterized in that, described base station also comprises:
First determination module, the measurement result judgement for receiving according to described first receiver module is starting state conversion or abandons State Transferring.
12. 1 kinds of terminals, is characterized in that, described terminal comprises: the second receiver module, measurement module, the second determination module and the second sending module; Wherein,
Described second receiver module, for receiving the pre-converted information of base station broadcast;
Described measurement module, obtains measurement result for the Received signal strength measured from adjacent area;
Described second determination module, meets for judging whether according to measurement result the report condition preset;
Described second sending module, for when described second determination module judges to meet the report condition preset, report measurement results gives described base station.
13. terminals according to claim 12, is characterized in that, described measurement module, specifically for detecting from the Reference Signal Received Power RSRP of neighbor cell or Reference Signal Received Quality RSRQ;
When from RSRP or the RSRQ value on all optional frequency of all neighbor cells all lower than threshold value N1, then measurement result show exist cover cavity;
When RSRP or the RSRQ value of neighbor cell is higher than threshold value N1, but the instruction of the system message of neighbor cell does not allow described UE to access, then measurement result shows to there is covering cavity;
When RSRP or the RSRQ value of neighbor cell is higher than threshold value N1, and the instruction of the system message of neighbor cell allows described UE access, then measurement result shows to there is not covering cavity.
14. terminals according to claim 12 or 13, it is characterized in that, for the UE being in Idle state, described second sending module, specifically at specific running time-frequency resource, send ZC sequence by the msg1 in random access procedure or carry out report measurement results by the msg3 in random access procedure; Described running time-frequency resource is carried in pre-converted information, or protocol conventions in advance; Or,
Send specific ZC sequence by the msg1 in random access procedure and carry out report measurement results; Described specific ZC sequence is carried in pre-converted information, or protocol conventions in advance.
15. terminals according to claim 12 or 13, it is characterized in that, for the UE being in connected state, described second sending module, carrys out report measurement results specifically for the ascending resource by base station assigns.
16. terminals according to claim 12, is characterized in that, described pre-converted information comprises: State Transferring time parameter;
Accordingly, described UE also comprises: time determination module, calls time for determining according to State Transferring time parameter to measure;
Described measurement module obtains measurement result before calling time in described measurement, report measurement results before described second sending module calls time in described measurement.
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| CN201310447164.4A CN104519542A (en) | 2013-09-26 | 2013-09-26 | A state transition pre-processing method, device and system |
| PCT/CN2014/077496 WO2014177077A1 (en) | 2013-09-26 | 2014-05-14 | State transition pre-processing method, device and system |
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| CN201310447164.4A CN104519542A (en) | 2013-09-26 | 2013-09-26 | A state transition pre-processing method, device and system |
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| WO2014177077A1 (en) | 2014-11-06 |
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Application publication date: 20150415 |