CN105792256A - Dual-connectivity switching enhancing method based on mobility state estimate and mobility state estimate device - Google Patents
Dual-connectivity switching enhancing method based on mobility state estimate and mobility state estimate device Download PDFInfo
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- CN105792256A CN105792256A CN201610111872.4A CN201610111872A CN105792256A CN 105792256 A CN105792256 A CN 105792256A CN 201610111872 A CN201610111872 A CN 201610111872A CN 105792256 A CN105792256 A CN 105792256A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/08—Load balancing or load distribution
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- 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
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Abstract
The invention provides a dual-connectivity user switching enhancing method based on mobility state estimate MSE, and relates to the technical field of mobile communication. According to the method, the times of macro cell switching carried out by mobile terminals in support of a dual-connectivity technique within the sliding window time of 30s is taken as the basis for mobility state estimate, and the current moving states of users are judged; macro cell switching parameters and micro cell adding, releasing and switching criterions for configuring the dual-connectivity users are sent based on the states; and when the moving states of the mobile terminals are changed, a base station side modifies the switching configurations of the mobile terminals through the MeasConfig information units of an RRC connection reconfiguration message. According to the method, the estimate accuracy of the mobility state of the users for the base station is improved, the signaling cost of high speed users is reduced, the duration of keeping a dual-connectivity state by middle and normal speed users is increased, and moreover, the switching success rate of the dual-connectivity users is further improved.
Description
Technical field
The invention belongs to mobile communication technology field, be specifically related to a kind of dual link user estimated based on mobile status and switch Enhancement Method and estimation unit.
Background technology
Along with the densification of network, realizing authorizing the availability of frequency spectrum maximized while, heterogeneous network also brings all challenges for mobile communication system, including: more complicated resource coordination between cells, switches and increasingly complex channel circumstance etc. more frequently.In order to tackle the challenge in above-mentioned heterogeneous network.The research process of microcellulor enhancement techniques proposes dual link (Dual-Connectivity) technology.So-called dual link i.e. terminal collectively cover in region at Macrocell and smallcell, it is simultaneously connected to two nodes of Macrocell and Smallcell, MeNB is as signaling anchor point, SeNB is responsible for providing Radio Resource, and MeNB and SeNB is connected by imperfect passback (Non-idealbackhaul).The handling capacity of unique user can be improved by the Radio Resource polymerization between different nodes, improve mobile robustness by receiving RRC control signaling from different nodes.
Introducing after dual link technology, UE accesses wireless network, and along with the movement of user, MENB and SENB changes will be unavoidably, it is therefore desirable to draw double-strand connect under handover scheme.
Due to Large-sized Communication instrument, such as bullet train, movement velocity is very fast, for dual link subscriber equipment in the inner, it is possible that terminal is also unsuccessful is synchronized to target macro honeycomb, become the very poor situation that cannot issue switching command with the wireless link of source base station, cause handoff failure and link failure.Also can carry out substantial amounts of microcellulor interpolation, release and switching simultaneously, cause terminal energy consumption to increase and core network signalling load increases sharply.
Prior art proposes a kind of " mobile status estimates (MSE, mobilitystateestimate) method " based on homogeneous network.The method main idea is that, in 30s sliding window, it is in the subscriber equipment of connected state when switching over, the switching times of base station side MSE module counting user, estimate the kinestate of user according to statistical result when sliding window terminates, kinestate is divided into High-speed, Middle-speed and Normal-speed, every kind of kinestate correspondence one handoff parameter configuration, arranging relatively low TTT and A3 biasing for High-speed status user makes it be quickly switched into Target cell, Middle-speed status user configures medium TTT and A3 biasing, balance network signaling overhead while ensureing handover success rate, normal-speed configures normal TTT and A3 biasing.
Existing mobile status method of estimation is good in homogeneous network service behaviour, but after introducing dual link technology, it is necessary to redesign, to adapt to Mobile Communication Development trend.
Summary of the invention
For above the deficiencies in the prior art, it is proposed that one improves mobile status estimation accuracy, is rapidly performed by microcellulor interpolation and switching, and the dual link based on mobile status estimation of balancing user experience and network-signaling load switches Enhancement Method and estimation unit.Technical scheme is as follows: a kind of dual link switching Enhancement Method estimated based on mobile status, and it comprises the following steps:
A1) obtain mobile terminal and transfer to the time point of RRC connected state state, obtain the kinestate of mobile terminal；
A2) obtain mobile terminal to carry out the moment of macrocellular switching, and each macrocellular switching weights are set to 1, estimate that carrying out history switching weights in MSE sliding window adds up in mobile status；
A3) mobile status estimate MSE determination time point arrive time, according to step A2) switching weights accumulation result, estimate mobile terminal kinestate；
A4) according to A3) described in mobile terminal state estimated result configuration macrocellular handoff parameter and microcellulor add, delete and switching criterion；
A5) if mobile status estimated result display motion state of mobile terminal changes, base station side re-issues control signaling, the handoff parameter of configuration mobile terminal.
Further, step A1) described acquisition mobile terminal transfers to time point and the current motion state of RRC connected state, including: terminal access to mobile network, its RRC state can be transferred to RRC connected state by RRC Idle state, obtains this state conversion time point start time point as MSE sliding window；Mobile terminal initial motion state is defaulted as Normal-speed.
Step A3) when MSE determination time, point arrived, according to the switching weights accumulation result in the described MSE sliding window time, estimate the kinestate of mobile terminal, specifically include:
Motion state of mobile terminal determination time point is obtained according to described MSE sliding window start time point and MSE sliding window duration；
When described determination time, point arrived, the weights accumulation result that inquiry MSE switch based on history is to the mapping table of kinestate, the kinestate of estimation mobile terminal；Described kinestate weights interval includes: High-speed, Middle-speed and Normal-speed, corresponding weights accumulation interval respectively High-speed4 < weight_count, Middle-speed2 < weight_count < 4, Normal-speed0 < weight_count < 2.
Further, step A4) configure macrocellular handoff parameter and microcellulor interpolation according to described mobile status estimated result, delete and switching criterion, specifically include:
The relevant macrocellular switching weight table of inquiry kinestate, obtain the macrocellular handoff parameter configuration information under this state, High-speed state mobile terminals is switched in advance, Middle-speed state mobile terminals is rapidly performed by switching, and Normal-speed state mobile terminals switches over according to normal parameter；
Inquiry kinestate changes criterion mapping table to microcellulor, obtain the microcellulor under this state and enter thresholding RSRP_IN, release thresholding Qout and switching biasing A6_OFFSET information, ensure that High-speed state mobile terminals quickly discharges microcellulor, and do not access microcellulor before mobile status changes；Middle-speed state mobile terminals is rapidly performed by microcellulor to be added and switching, and Normal-speed state mobile terminals carries out microcellulor change according to normal parameter.
Further, described kinestate relevant macrocellular switching weight table includes: High-speed state mobile terminals TTT and A3 is corresponding [320ms respectively,-1dB], Middle-speed state mobile terminals TTT and A3 respectively corresponding [480ms, 1dB], Normal-speed state mobile terminals TTT and A3 is corresponding [640MS, 3dB] respectively；
Described microcellulor changes criterion mapping table and includes: High-speed state mobile terminals RSRP_IN, Qout and A6_OFFSET be correspondence [-60 respectively,-6,3dB], Middle-speed state mobile terminals RSRP_IN, Qout and A6_OFFSET respectively corresponding [-100ms,-8,0dB], Normal-speed state mobile terminals RSRP_IN, Qout and A6_OFFSET are corresponding [-90 ,-8,1dB] respectively.
Further, step A5) if mobile status estimated result display motion state of mobile terminal changes, base station side re-issues control signaling, macrocellular handoff parameter and the microcellulor of configuration mobile terminal change criterion, including:
Base station side connects reconfiguration message by RRC and issues the MeasConfig information word comprising handover configurations and microcellulor change criterion；
The configuration measurement that mobile terminal issues based on base station reports and switches；
Start next round MSE sliding window.
A kind of mobile status estimation unit, it includes a base station controller:
Described base station controller includes: measurement result receives unit, for receiving the measurement result of mobile terminal, carries the cell ID meeting preset switching condition in described measurement result；
Switching command transmitting element, for when judging that mobile terminal meets preset switching condition, issuing switching command to mobile terminal, carry the cell ID of Target cell in described switching command；
Mobile status estimation module, for estimating the kinestate of mobile terminal, is positioned at base station side；
Configuration distributing unit, changes criterion for the macrocellular handover configurations and microcellulor initializing mobile terminal when mobile terminal access base station；For re-issuing parameter configuration to mobile terminal after MSE unit is more newly configured.
Further, described mobile status estimation module, including:
Mobile terminal switching record unit, was used for adding up in the MSE sliding window time, the history switching weights of mobile terminal under connection status；
Motion state of mobile terminal estimation unit, according to switching weights accumulation result to motion state of mobile terminal mapping table, estimates the kinestate that mobile terminal is up-to-date, and described kinestate includes high speed, middling speed and normal speed；
Configuration information generates unit, for when motion state of mobile terminal changes, generating macrocellular handoff parameter and microcellulor changes criterion configuration information.
Further, described base station side switching record unit includes:
First computing unit, within the MSE sliding window time, after mobile terminal receives switching command, successful synchronization is to Target cell, and base station side MSE unit carries out weights based on switching type and adds up；
Second computing unit, within the MSE sliding window time, after mobile terminal receives switching command, the term of execution of switching, Target cell CQI is lower than threshold value, mobile terminal handoff failure, and base station side MSE unit carries out weights based on switching type and adds up；
3rd computing unit, within the MSE sliding window time, when source macrocell issues switching command, the wireless link of mobile terminal and source macrocell is in desynchronizing state, mobile terminal handoff failure, and base station side MSE unit carries out weights based on switching type and adds up.
Further, described motion state of mobile terminal estimation unit includes:
First enquiry module, is used for inquiring about MSE weights accumulation result to motion state of mobile terminal mapping table, it is thus achieved that corresponding motion state of mobile terminal；
First determines module, for described kinestate is defined as current mobile terminal kinestate.
Further, described configuration information generation unit includes:
Second enquiry module, for inquire about kinestate to handoff parameter configuration between mapping table, it is thus achieved that the macrocellular handoff parameter configuration information corresponding with kinestate；
Second determines module, for described handoff parameter is defined as the handoff parameter configuration of current mobile terminal to be handed down to.
3rd enquiry module, is used for inquiring about kinestate and changes criterion mapping table to microcellulor, it is thus achieved that the microcellulor corresponding with kinestate changes criteria information；
3rd determines module, and the microcellulor for described handoff parameter is defined as current mobile terminal to be handed down to changes criterion.
Advantages of the present invention and having the beneficial effect that:
1, in present example, the weights statistics of mobile status estimation module includes handover success, state 2 handoff failure and state 3 handoff failure opportunity.Relative to only adding up the handover success moment in prior art, the scope of statistics of the present invention is more comprehensive, improves mobile status and estimates accuracy.
2, based on mobile status estimated result accurately, it can be every kind of kinestate correspondence one handoff parameter configuration, arranging relatively low TTT and A3 biasing for High-speed status user makes it be quickly switched into Target cell, Middle-speed status user configures medium TTT and A3 biasing, balance network signaling overhead while ensureing handover success rate, normal-speed configures normal TTT and A3 biasing.Meanwhile, the configuration interpolation of microcellulor, release and switching criterion, mainly include microcellulor and enter thresholding RSRP_IN, release thresholding Qout and switching biasing A6_OFFSET.Based on these special parameters, it is ensured that High-speed state mobile terminals quickly discharges microcellulor, and does not access microcellulor before mobile status changes；Middle-speed state mobile terminals is rapidly performed by microcellulor to be added and switching, and balancing user is experienced and network-signaling load.
Accompanying drawing explanation
Fig. 1 is the flow chart that the dual link user based on mobile status estimation that the present invention provides preferred embodiment to provide switches Enhancement Method first embodiment；
Fig. 2 is the flow chart of the first embodiment that mobile status is estimated in the embodiment of the present invention；
Fig. 3 is that in the embodiment of the present invention, state estimation result according to MSE obtains macrocellular handoff parameter and microcellulor changes the flow chart of first embodiment of criterion；
Fig. 4 is macrocellular switching record schematic diagram in this application scene；
Fig. 5 is macrocellular handoff parameter and the microcellulor change criterion schematic diagram of High-speed mobile terminal in this application scene；
Fig. 6 is macrocellular handoff parameter and the microcellulor change criterion schematic diagram of Middle-speed mobile terminal in this application scene；
Fig. 7 is macrocellular handoff parameter and the microcellulor change criterion schematic diagram of Normal-speed mobile terminal in this application scene；
Fig. 8 is the schematic diagram of the base station controller that the embodiment of the present invention provides；
Fig. 9 is the schematic diagram of the mobile status estimation module that the embodiment of the present invention provides；
Figure 10 is the schematic diagram of the mobile status estimation module mobile terminal switching record unit that the embodiment of the present invention provides；
Figure 11 is the schematic diagram of the mobile status estimation module motion state of mobile terminal estimation unit that the embodiment of the present invention provides；
Figure 12 is the schematic diagram of the mobile status estimation module handover configurations information generating unit that the embodiment of the present invention provides.
Detailed description of the invention
The invention provides a kind of mobile status based on switching type certain weights and estimate Enhancement Method and device.In order to be better understood from technical scheme, below in conjunction with accompanying drawing, embodiment provided by the invention is described in detail.
It is the flow chart that the mobile status that the embodiment of the present invention provides estimates Enhancement Method first embodiment referring to Fig. 1, Fig. 1.
Step A1, acquisition mobile terminal are transferred to the time point of RRC-CONNECTED state and initialize front motion state of mobile terminal.
Concrete, base station can be signaled by up when mobile node is transferred to CONNECTED state by IDLE state, this time point is switched the starting point of historical record by base station side mobile status estimation unit as mobile terminal, and the kinestate simultaneously initializing mobile terminal is Normal-speed.
Step A2, acquisition mobile terminal carry out the moment of macrocellular switching, and each macrocellular switching weights are set to 1, carry out history switching weights and add up in MSE sliding window.
Concrete, source base station is issued moment point switching time as mobile subscriber of switching command, the weights of mobile subscriber's macrocellular each time switching are 1, and add up at MSE unit.
Step A3, when MSE determination time, point arrived, according to the switching weights accumulation result in the described MSE sliding window time, estimate the kinestate of mobile terminal.
Concrete, the termination time point of this sliding window is may determine that by the MSE initial time recorded and sliding window duration.Kinestate includes High-speed, Middle-speed and Normal-speed, every kind of corresponding weights interval of state.
Step A4, configure macrocellular handoff parameter and microcellulor according to described mobile status estimated result and add, delete and switching criterion.
Concrete, inquiry kinestate is to handoff parameter mapping table, it is thus achieved that the macrocellular handoff parameter configuration information under this state, including A3 event entry condition A3_OFFSET and TimetoTrigger (TTT).Inquiry kinestate changes criterion mapping table to microcellulor, it is thus achieved that the microcellulor under this state enters thresholding RSRP_IN, release thresholding RSRP_OUT and switching biasing A6_OFFSET.
If step A5 mobile status estimated result display motion state of mobile terminal changes, base station side re-issues control signaling, and macrocellular handoff parameter and the microcellulor of configuration mobile terminal change criterion.
Concrete, after a MSE sliding window time, if the kinestate estimated is different from state before, then amendment handover configurations and microcellulor is needed to change criterion, mobile terminal carries out macrocellular switching and microcellulor change based on the configuration that base station issues afterwards, and starts next round MSE sliding window.
Referring to the flow chart that Fig. 2, Fig. 2 are the first embodiments that mobile terminal moves in inventive embodiments state estimation.In embodiments of the present invention, inquiry kinestate is to handoff parameter mapping table, it is thus achieved that macrocellular handoff parameter configuration information (step A3) under this state may include that
Step B1, obtain motion state of mobile terminal determination time point according to described MSE sliding window start time point and MSE sliding window duration.
Step B2, mobile terminal can have three kinds of kinestates, High-speed, Middle-speed and Normal-speed, every kind of corresponding weights interval of state.
Concrete, based on kinestate weights interval table, estimate current motion state.
Table 1 kinestate weights are interval
Referring to the flow chart that Fig. 3, Fig. 3 are the first embodiments obtaining macrocellular handoff parameter and microcellulor change criterion in the embodiment of the present invention according to current motion state.In embodiments of the present invention, the step (step A4) according to described mobile status estimated result configuration macrocellular handoff parameter and microcellulor interpolation, deletion and switching criterion may include that
Step C1, inquiry kinestate are to handoff parameter mapping table, it is thus achieved that the macrocellular handoff parameter configuration information under this state.
Concrete, described kinestate is as shown in table 2 to handoff parameter mapping table, including:
Table 2. kinestate is to handoff parameter mapping table
Step C2, inquiry kinestate change criterion mapping table to microcellulor, it is thus achieved that the microcellulor under this state enters thresholding RSRP_IN, release thresholding RSRP_OUT and switching biasing A6_OFFSET.
Concrete, it is as shown in table 3 that described kinestate changes criterion mapping table to microcellulor, including:
Table 3. kinestate changes criterion mapping table to microcellulor
| RSRP_IN(dBm) | A6_OFFSET(dB) | Qout(dB) | |
| High-speed | -60 | 3 | -6 |
| Middle-speed | -100 | 0 | -8 |
| Normal-speed | -90 | 1 | -8 |
It is macrocellular switching record schematic diagram in this application scene referring to Fig. 4, Fig. 4.When mobile terminal carries out macrocellular switching, including the time point of handover success, state 2 handoff failure and state 3 handoff failure.In MSE sliding window, carry out history switching weights add up.
Referring to macrocellular handoff parameter and microcellulor change criterion schematic diagram that Fig. 5, Fig. 5 are High-speed mobile terminals in this application scene.In embodiments of the present invention, inquire about from the relevant macrocellular switching weight table of kinestate, it is thus achieved that the macrocellular handoff parameter (step C1) consistent with current motion state can include, concrete, High-speed state mobile terminals TTT and A3 is corresponding [320ms ,-1dB] respectively.Criterion mapping table is changed in inquiry from kinestate to microcellulor, obtaining microcellulor change criterion (step C2) consistent with current motion state can include, concrete, High-speed state mobile terminals RSRP_IN, Qout and A6_OFFSET be correspondence [-60 respectively,-6,3dB].
Referring to macrocellular handoff parameter and microcellulor change criterion schematic diagram that Fig. 6, Fig. 6 are Middle-speed mobile terminals in this application scene.In embodiments of the present invention, inquire about from the relevant macrocellular switching weight table of kinestate, it is thus achieved that the macrocellular handoff parameter (step C1) consistent with current motion state can include, concrete, Middle-speed state mobile terminals TTT and A3 is corresponding [480ms, 1dB] respectively.Criterion mapping table is changed in inquiry from kinestate to microcellulor, obtain microcellulor change criterion (step C2) consistent with current motion state can include, concrete, Middle-speed state mobile terminals RSRP_IN, Qout and A6_OFFSET be correspondence [-100 respectively,-8,0dB].
Referring to macrocellular handoff parameter and microcellulor change criterion schematic diagram that Fig. 7, Fig. 7 are Normal-speed mobile terminals in this application scene.In embodiments of the present invention, inquire about from the relevant macrocellular switching weight table of kinestate, it is thus achieved that the macrocellular handoff parameter (step C1) consistent with current motion state can include, concrete, Normal-speed state mobile terminals TTT and A3 is corresponding [640ms, 3dB] respectively.Criterion mapping table is changed in inquiry from kinestate to microcellulor, obtaining microcellulor change criterion (step C2) consistent with current motion state can include, concrete, Normal-speed state mobile terminals RSRP_IN, Qout and A6_OFFSET be correspondence [-90 respectively,-8,1dB].
Referring to the schematic diagram that Fig. 8, Fig. 8 are the base station controllers that the embodiment of the present invention provides.
In the embodiment of the present invention, base station controller includes:
Measurement result receives unit 101, for receiving the measurement result of mobile terminal, carries the cell ID meeting preset switching condition in described measurement result；
Switching command transmitting element 102, for when judging that mobile terminal meets preset switching condition, issuing switching command to mobile terminal, carry the cell ID of Target cell in described switching command；
Mobile status estimation module 103, for estimating the kinestate of mobile terminal；
Handoff parameter configuration distributing unit 104, for initializing the parameter configuration of mobile terminal when mobile terminal access base station；For re-issuing parameter configuration to mobile terminal after MSE unit updates handoff parameter configuration.
Referring to the schematic diagram that Fig. 9, Fig. 9 are the mobile status estimation module that the embodiment of the present invention provides.
In the embodiment of the present invention, base station side mobile status estimation module 103 includes:
Mobile terminal switching record unit 201, was used for adding up in the MSE sliding window time, the history switching weights of mobile terminal under connection status；
Motion state of mobile terminal estimation unit 202, according to switching weights accumulation result to motion state of mobile terminal mapping table, estimates the kinestate that mobile terminal is up-to-date, and described kinestate includes high speed, middling speed and normal speed；
Configuration information generates unit 203, for when motion state of mobile terminal changes, generating macrocellular handoff parameter configuration information and microcellulor changes criterion.
Referring to the schematic diagram that Figure 10, Figure 10 are the mobile status estimation module mobile terminal switching record unit 201 that the embodiment of the present invention provides；
First computing unit 301, within the MSE sliding window time, after mobile terminal receives switching command, successful synchronization is to Target cell, and base station side MSE unit carries out weights and adds up；
Second computing unit 302, within the MSE sliding window time, after mobile terminal receives switching command, the term of execution of switching, Target cell CQI is lower than threshold value, mobile terminal handoff failure, and base station side MSE unit carries out weights and adds up；
3rd computing unit 303, within the MSE sliding window time, when cell-of-origin issues switching command, the wireless link of mobile terminal and cell-of-origin is in desynchronizing state, mobile terminal handoff failure, and base station side MSE unit carries out weights and adds up.
Referring to, 11, Figure 11 is the schematic diagram of the mobile status estimation module motion state of mobile terminal estimation unit 202 that the embodiment of the present invention provides；
First enquiry module 401, is used for inquiring about MSE weights accumulation result to motion state of mobile terminal mapping table, it is thus achieved that corresponding motion state of mobile terminal；
First determines module 402, for described kinestate is defined as current mobile terminal kinestate.
Referring to, 12, Figure 12 is the schematic diagram of the mobile status estimation module handover configurations information generating unit 203 that the embodiment of the present invention provides；
Second enquiry module 501, for inquire about kinestate to handoff parameter configuration between mapping table, it is thus achieved that the handoff parameter configuration information corresponding with kinestate；
Second determines module 502, for described handoff parameter is defined as the handoff parameter configuration of current mobile terminal to be handed down to.
3rd enquiry module 503, is used for inquiring about kinestate and changes criterion mapping table to microcellulor, it is thus achieved that the microcellulor corresponding with kinestate changes criteria parameter；
3rd determines module 504, and the microcellulor for described parameter is defined as current mobile terminal to be handed down to changes criterion.
It should be noted that contents such as mutual, the execution processes of information between each unit in said apparatus, due to the inventive method embodiment based on same design, particular content referring to the narration in the inventive method embodiment, can repeat no more herein.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment can be by the hardware that program carrys out instruction relevant and completes, this program can be stored in a computer-readable recording medium, and storage medium may include that read only memory, random access memory, disk or CD etc..
Above the dual link user estimated based on mobile status provided by the present invention is switched Enhancement Method to be described in detail, for one of ordinary skill in the art, thought according to the embodiment of the present invention, all will change in specific embodiments and applications, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. the dual link switching Enhancement Method estimated based on mobile status, it is characterised in that comprise the following steps:
A1) obtain mobile terminal and transfer to the time point of RRC connected state state, obtain the kinestate of mobile terminal；
A2) obtain mobile terminal to carry out the moment of macrocellular switching, and each macrocellular switching weights are set to 1, estimate that carrying out history switching weights in MSE sliding window adds up in mobile status；
A3) mobile status estimate MSE determination time point arrive time, according to step A2) switching weights accumulation result, estimate mobile terminal kinestate；
A4) according to A3) described in mobile terminal state estimated result configuration macrocellular handoff parameter and microcellulor add, delete and switching criterion；
A5) if mobile status estimated result display motion state of mobile terminal changes, base station side re-issues control signaling, the handoff parameter of configuration mobile terminal.
2. the dual link switching Enhancement Method estimated based on mobile status according to claim 1, it is characterized in that, step A1) described acquisition mobile terminal transfers to time point and the current motion state of RRC connected state, including: terminal access to mobile network, its RRC state can be transferred to RRC connected state by RRC Idle state, obtains this state conversion time point start time point as MSE sliding window；Mobile terminal initial motion state is defaulted as Normal-speed.
Step A3) when MSE determination time, point arrived, according to the switching weights accumulation result in the described MSE sliding window time, estimate the kinestate of mobile terminal, specifically include:
Motion state of mobile terminal determination time point is obtained according to described MSE sliding window start time point and MSE sliding window duration；
When described determination time, point arrived, the weights accumulation result that inquiry MSE switch based on history is to the mapping table of kinestate, the kinestate of estimation mobile terminal；Described kinestate weights interval includes: High-speed, Middle-speed and Normal-speed, corresponding weights accumulation interval respectively High-speed4 < weight_count, Middle-speed2 < weight_count < 4, Normal-speed0 < weight_count < 2.
3. the dual link switching Enhancement Method estimated based on mobile status according to claim 2, it is characterized in that, step A4) configure macrocellular handoff parameter and microcellulor interpolation according to described mobile status estimated result, delete and switching criterion, specifically include:
The relevant macrocellular switching weight table of inquiry kinestate, obtain the macrocellular handoff parameter configuration information under this state, High-speed state mobile terminals is switched in advance, Middle-speed state mobile terminals is rapidly performed by switching, and Normal-speed state mobile terminals switches over according to normal parameter；
Inquiry kinestate changes criterion mapping table to microcellulor, obtain the microcellulor under this state and enter thresholding RSRP_IN, release thresholding Qout and switching biasing A6_OFFSET information, ensure that High-speed state mobile terminals quickly discharges microcellulor, and do not access microcellulor before mobile status changes；Middle-speed state mobile terminals is rapidly performed by microcellulor to be added and switching, and Normal-speed state mobile terminals carries out microcellulor change according to normal parameter.
4. the dual link switching Enhancement Method estimated based on mobile status according to claim 3, it is characterized in that, described kinestate relevant macrocellular switching weight table includes: High-speed state mobile terminals TTT and A3 is corresponding [320ms respectively,-1dB], Middle-speed state mobile terminals TTT and A3 respectively corresponding [480ms, 1dB], Normal-speed state mobile terminals TTT and A3 is corresponding [640MS, 3dB] respectively；
Described microcellulor changes criterion mapping table and includes: High-speed state mobile terminals RSRP_IN, Qout and A6_OFFSET be correspondence [-60 respectively,-6,3dB], Middle-speed state mobile terminals RSRP_IN, Qout and A6_OFFSET respectively corresponding [-100ms,-8,0dB], Normal-speed state mobile terminals RSRP_IN, Qout and A6_OFFSET are corresponding [-90 ,-8,1dB] respectively.
5. the dual link switching Enhancement Method estimated based on mobile status according to claim 4, it is characterized in that, step A5) if mobile status estimated result display motion state of mobile terminal changes, base station side re-issues control signaling, macrocellular handoff parameter and the microcellulor of configuration mobile terminal change criterion, including:
Base station side connects reconfiguration message by RRC and issues the MeasConfig information word comprising handover configurations and microcellulor change criterion；
The configuration measurement that mobile terminal issues based on base station reports and switches；
Start next round MSE sliding window.
6. a mobile status estimation unit, it is characterised in that include a base station controller:
Described base station controller includes: measurement result receives unit, for receiving the measurement result of mobile terminal, carries the cell ID meeting preset switching condition in described measurement result；
Switching command transmitting element, for when judging that mobile terminal meets preset switching condition, issuing switching command to mobile terminal, carry the cell ID of Target cell in described switching command；
Mobile status estimation module, for estimating the kinestate of mobile terminal, is positioned at base station side；
Configuration distributing unit, changes criterion for the macrocellular handover configurations and microcellulor initializing mobile terminal when mobile terminal access base station；For re-issuing parameter configuration to mobile terminal after MSE unit is more newly configured.
7. mobile status estimation unit according to claim 6, it is characterised in that described mobile status estimation module, including:
Mobile terminal switching record unit, was used for adding up in the MSE sliding window time, the history switching weights of mobile terminal under connection status；
Motion state of mobile terminal estimation unit, according to switching weights accumulation result to motion state of mobile terminal mapping table, estimates the kinestate that mobile terminal is up-to-date, and described kinestate includes high speed, middling speed and normal speed；
Configuration information generates unit, for when motion state of mobile terminal changes, generating macrocellular handoff parameter and microcellulor changes criterion configuration information.
8. mobile status estimation unit according to claim 7, it is characterised in that described base station side switching record unit includes:
First computing unit, within the MSE sliding window time, after mobile terminal receives switching command, successful synchronization is to Target cell, and base station side MSE unit carries out weights based on switching type and adds up；
Second computing unit, within the MSE sliding window time, after mobile terminal receives switching command, the term of execution of switching, Target cell CQI is lower than threshold value, mobile terminal handoff failure, and base station side MSE unit carries out weights based on switching type and adds up；
3rd computing unit, within the MSE sliding window time, when source macrocell issues switching command, the wireless link of mobile terminal and source macrocell is in desynchronizing state, mobile terminal handoff failure, and base station side MSE unit carries out weights based on switching type and adds up.
9. mobile status estimation unit according to claim 7, it is characterised in that described motion state of mobile terminal estimation unit includes:
First enquiry module, is used for inquiring about MSE weights accumulation result to motion state of mobile terminal mapping table, it is thus achieved that corresponding motion state of mobile terminal；
First determines module, for described kinestate is defined as current mobile terminal kinestate.
10. mobile status estimation unit according to claim 7, it is characterised in that described configuration information generates unit and includes:
Second enquiry module, for inquire about kinestate to handoff parameter configuration between mapping table, it is thus achieved that the macrocellular handoff parameter configuration information corresponding with kinestate；
Second determines module, for described handoff parameter is defined as the handoff parameter configuration of current mobile terminal to be handed down to.
3rd enquiry module, is used for inquiring about kinestate and changes criterion mapping table to microcellulor, it is thus achieved that the microcellulor corresponding with kinestate changes criteria information；
3rd determines module, and the microcellulor for described handoff parameter is defined as current mobile terminal to be handed down to changes criterion.
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