CN101964994B - Method for setting measuring configuration during base station and user equipment (UE) switching - Google Patents
Method for setting measuring configuration during base station and user equipment (UE) switching Download PDFInfo
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- CN101964994B CN101964994B CN 201010530178 CN201010530178A CN101964994B CN 101964994 B CN101964994 B CN 101964994B CN 201010530178 CN201010530178 CN 201010530178 CN 201010530178 A CN201010530178 A CN 201010530178A CN 101964994 B CN101964994 B CN 101964994B
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Abstract
The invention provides a method for setting measuring configuration during base station and user equipment (UE) switching. The method for setting the measuring configuration comprises the following steps of: receiving a switching request message, wherein the switching request message comprises resident cell information which reflects the displacement situation of a wireless terminal; determining a parameter value for representing the movement speed of the wireless terminal according to the resident cell information; setting the measuring configuration according to the parameter value, determining the measuring configuration as periodic measurement when the parameter value is more than or equal to a first threshold value and determining the measuring configuration as event triggering measurement when the parameter value is less than or equal to a second threshold value; and sending a switching response message so as to allow a source base station to set the measuring configuration of the wireless terminal according to the switching response message, wherein the switching response message comprises the measuring configuration. In the embodiment of the invention, appropriate measuring configuration is set according to the movement situation of the wireless terminal, so that the situations of communication interruption during high-speed movement of the wireless terminal and the increase of network overhead during low-speed movement are reduced.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to and measure the method to set up of configuration when a kind of base station and UE switch.
Background technology
In the LTE mobile communications network, the motion of wireless terminal UE or near environmental evolution all may cause the decline of signal, and this is to start the main cause that wireless terminal switches between the base station.Base station initiated handoff procedure depends on the measurement report of wireless terminal, and the base station can according to the content of measurement report, be initiated to switch to a best neighbor cell of signal.
In the prior art, configuration is measured for wireless terminal arranges in advance in the base station, and wireless terminal can be measured configuration according to this and send measurement report to the base station.For example, measure if the measurement of wireless terminal is configured to Event triggered, then when wireless environment changes or satisfying under the certain condition, wireless terminal just can go to detect the quality of neighbor cell, and reports this measurement report to the base station after a period of time of delaying time.If the measurement of wireless terminal is configured to period measurement, then need not wireless environment and change, wireless terminal can regularly detect the quality of neighbor cell, and reports this measurement report to the base station.If base station (source base station) judges needs (purpose base station) switching to another base station according to the measurement report that receives, it is the measurement configuration that wireless terminal arranges that source base station still can be adopted in the purpose base station, after switching, measure configuration by wireless terminal according to this and send measurement report to the purpose base station.
Yet, inventor's research in realizing process of the present invention is found, if the translational speed of wireless terminal is changing always, wireless terminal is exerted an influence to detection number of times and the testing result of neighbor cell signal, and then switching demand and the number of times between the base station exerted an influence, when switch the base station, if the measurement configuration of source base station is still adopted in the purpose base station, then may inaccurately cause the communication disruption of wireless terminal or the increase of invalid network overhead owing to what measure configuration.
For example wireless terminal switches to base station B by base station A, switch to base station C by base station B again, in double handoff procedure, the speed of wireless terminal from large to small, base station A, the measurement configuration that B sets may be period measurement, but when switching to base station C, because the speed of wireless terminal is lower, signal quality in the residential quarter, place is relatively stable, so need not period measurement, as long as when Event triggered is arranged, measure, and if the measurement configuration that this moment, base station C continued to use base station B is period measurement, then can additionally increase the operational efficiency of invalid network overhead reduction network.If the speed of wireless terminal is to change from small to big, then source base station is measured than hour Event triggered of configuration for speed and also no longer is applicable to the large situation of wireless terminal velocity, may cause the interruption of communication.
Summary of the invention
Measure the method to set up of configuration when the embodiment of the invention provides a kind of base station and UE to switch, can suitable measurement configuration, the situation that network overhead increased when communication disruption and low speed moved when reducing the wireless terminal high-speed mobile be set for the wireless terminal situation of movement.
In order to solve the problems of the technologies described above, the technical scheme of the embodiment of the invention is as follows:
Measure the method to set up of configuration when a kind of UE switches, comprising:
Receive handover request message, comprise the persistent district information that can embody wireless terminal displacement situation in the described handover request message;
According to described persistent district information, be identified for characterizing the value of consult volume of described wireless terminal translational speed;
Arrange according to described value of consult volume and to measure configuration, when described value of consult volume during more than or equal to first threshold, determine to measure and be configured to period measurement, when described value of consult volume during less than or equal to Second Threshold, determine to measure and be configured to Event triggered and measure;
Send handover acknowledge message, comprise described measurement configuration in the described handover acknowledge message, so that source base station arranges the measurement configuration of described wireless terminal according to described handover acknowledge message.
Further, described according to described persistent district information, be identified for characterizing the value of consult volume of described wireless terminal translational speed, comprising:
Determine the quantity of different districts overall identification in the described persistent district information, with the quantity of described different districts overall identification as described value of consult volume.
Further, described according to described persistent district information, be identified for characterizing the value of consult volume of described wireless terminal translational speed, comprising:
According to the type of all residential quarters in the described persistent district information and the described wireless terminal residence time in each residential quarter, calculate the translational speed of described wireless terminal, with the translational speed of described wireless terminal as described value of consult volume.
Further, the translational speed of the described wireless terminal of described calculating comprises:
Determine the radius of residential quarter according to the type of described residential quarter;
At the residence time of this residential quarter, calculate described wireless terminal in the translational speed of this residential quarter according to the radius of described residential quarter and described wireless terminal;
Calculate the translational speed of the last resident residential quarter of described wireless terminal and translational speed mean of mean in other residential quarter, with the described mean value that the calculates translational speed as described wireless terminal.
Further, the described setting according to described value of consult volume measured configuration, also comprises:
When the translational speed of described wireless terminal greater than described Second Threshold, during less than described first threshold, the measurement configuration that described wireless terminal is set configures identical with its former measurement.
A kind of base station-to-base station handover method comprises:
Receive handover request message, comprise the persistent district information that can embody wireless terminal displacement situation in the described handover request message;
According to described persistent district information, be identified for characterizing the value of consult volume of described wireless terminal translational speed;
Arrange according to described value of consult volume and to measure configuration, when described value of consult volume during more than or equal to first threshold, determine to measure and be configured to period measurement, when described value of consult volume during less than or equal to Second Threshold, determine to measure and be configured to Event triggered and measure;
Send handover acknowledge message, comprise described measurement configuration in the described handover acknowledge message, so that source base station arranges the measurement configuration of described wireless terminal according to described handover acknowledge message;
After finishing switching, receive the measurement report that described wireless terminal reports according to described measurement configuration;
When satisfying switching condition, described measurement report initiates to switch.
Further, if described measurement is configured to period measurement, then before the measurement report that the described wireless terminal of described reception reports according to described measurement configuration, also comprise:
Set the time restriction of receiving cycle measurement report, the time that receives described period measurement report is carried out timing;
The described initiation when described measurement report satisfies switching condition switched, and is specially:
If receive described measurement report in the described time restriction of setting, and described measurement report satisfies switching condition, then initiation switching.
A kind of base station comprises:
The message sink unit is used for receiving handover request message, comprises the persistent district information that can embody wireless terminal displacement situation in the described handover request message;
The speed determining unit is used for according to described persistent district information, is identified for characterizing the value of consult volume of described wireless terminal translational speed;
The configuration determining unit is used for arranging according to described value of consult volume and measures configuration, when described value of consult volume during more than or equal to first threshold, determines to measure and is configured to period measurement, when described value of consult volume during less than or equal to Second Threshold, determines to measure and is configured to Event triggered and measures;
The acknowledgement messaging unit is used for sending handover acknowledge message, comprises described measurement configuration in the described handover acknowledge message, so that source base station arranges the measurement configuration of described wireless terminal according to described handover acknowledge message.
Further, described speed determining unit, the concrete quantity that is used for determining described persistent district information different districts overall identification, with the quantity of described different districts overall identification as described value of consult volume.
Further, described speed determining unit, concrete being used for calculated the translational speed of described wireless terminal according to the type of all residential quarters of described persistent district information and the described wireless terminal residence time in each residential quarter, with the translational speed of described wireless terminal as described value of consult volume.
Further, described speed determining unit comprises:
Radius is determined subelement, is used for determining according to the type of described residential quarter the radius of residential quarter;
The first computation subunit is used for according to the radius of described residential quarter and described wireless terminal calculating described wireless terminal in the translational speed of this residential quarter at the residence time of this residential quarter;
The second computation subunit is used for calculating the translational speed of the last resident residential quarter of described wireless terminal and translational speed mean of mean in other residential quarter, with the described mean value that the calculates translational speed as described wireless terminal.
Further, described configuration determining unit, the translational speed that also is used for working as described wireless terminal are greater than described Second Threshold, and during less than described first threshold, the measurement configuration that described wireless terminal is set is identical with its former measurement configuration.
Further, also comprise:
The report receiving element after being used for finishing switching, receives the measurement report that described wireless terminal reports according to described measurement configuration;
Switch unit is used for initiating to switch when described measurement report satisfies switching condition.
Further, also comprise:
Timer is used for when described measurement is configured to period measurement, sets the time restriction of receiving cycle measurement report, carries out timing to receiving the time that described period measurement reports;
Described switch unit, concrete being used for receives described measurement report when described timer timing does not surpass the described time restriction of setting, and described measurement report is initiated switching when satisfying switching condition.
The embodiment of the invention is by determining to characterize the value of consult volume of wireless terminal velocity according to the persistent district information of wireless terminal when switching, and then to come according to value of consult volume and the comparative result of predetermined threshold value be that measurement corresponding to wireless terminal setting configures.The method has changed continues to use the mode that source base station is measured configuration in the prior art, but for the situation of movement of wireless terminal suitable measurement configuration is set, reduced because the situation that the communication disruption that the variation of wireless terminal translational speed causes and invalid network overhead increase.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 measures the method to set up flow chart of configuration when being a kind of UE switching of the embodiment of the invention;
Fig. 2 measures the method to set up flow chart of configuration when being the another kind of UE switching of the embodiment of the invention;
Fig. 3 is the flow chart of a kind of base station-to-base station handover method of the embodiment of the invention;
Fig. 4 is the flow chart of the another kind of base station-to-base station handover method of the embodiment of the invention;
Fig. 5 is the structural representation of a kind of base station of the embodiment of the invention;
Fig. 6 is the structural representation of the another kind of base station of the embodiment of the invention.
Embodiment
In order to make those skilled in the art can further understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, accompanying drawing only provide with reference to and explanation, be not to limit the present invention.
In the prior art, when switch the base station, the setting that source base station is just continued to use to the setting of wireless terminal measurement configuration in the purpose base station, the impact of the motion conditions of having ignored wireless terminal on measuring may inaccurately cause the communication disruption of wireless terminal or the increase of invalid network overhead owing to what measure configuration.Based on this, the embodiment of the invention provides a kind of method to set up, base station-to-base station handover method and base station of measuring configuration, by coming the speed of evaluating wireless terminal according to the residential quarter of the resident mistake of wireless terminal when switching, and then to come according to different speed be that wireless terminal is set corresponding measurement configuration.The method has changed continues to use the mode that source base station is measured configuration in the prior art, but the measurement configuration that is more suitable for for the situation of movement setting of wireless terminal, thereby improved the accuracy of setting measurement configuration, reduced because the situation that the communication disruption that the variation of wireless terminal translational speed causes and invalid network overhead increase.
Below in conjunction with drawings and Examples, technical scheme of the present invention is described.
Referring to Fig. 1, measure the method to set up flow chart of configuration when switching for a kind of UE of the embodiment of the invention.
In the present embodiment, the method can comprise:
Step 101 receives handover request message, comprises the persistent district information that can embody wireless terminal displacement situation in this handover request message.
When wireless terminal is switched to the purpose base station by source base station, the handover request message that is at first sent by reception sources base station, purpose base station.In the present embodiment, include the persistent district information that can embody this wireless terminal displacement situation in this handover request message, for example can comprise the residential quarter overall identification, can also directly comprise the type of residential quarter and residence time etc., wherein, the residential quarter overall identification is an ID numbering, in the LTE mobile communications network, the residential quarter overall identification of all residential quarters is different, that is to say, the residential quarter overall identification of a residential quarter is unique ID that can determine a residential quarter.This persistent district information can leave in the historical information chained list in the handover request message.
Step 102 according to the information of persistent district, is identified for characterizing the value of consult volume of wireless terminal translational speed.
The information of the wireless terminal persistent district in the historical information chained list is transferred in the purpose base station, and then can be identified for characterizing or describe wireless terminal translational speed value of consult volume.This value of consult volume can be to determine according to the quantity of different districts overall identification in the persistent district information, also can be that direct type according to all residential quarters in the historical information chained list and wireless terminal are at the residence time of each residential quarter, the translational speed of the wireless terminal that calculates is determined, can also be the combination of above-mentioned dual mode.The concrete description that please refer to subsequent embodiment.
Step 103 determines to measure configuration according to value of consult volume.
In the present embodiment, the setting of measuring configuration can be according to value of consult volume, such as the translational speed of the wireless terminal of the quantity of different districts overall identification in the persistent district information or estimation, determines.
When value of consult volume during more than or equal to first threshold, illustrate that the speed that wireless terminal moves is larger, can determine to measure and be configured to period measurement, when value of consult volume during less than or equal to Second Threshold, illustrate that the speed that wireless terminal moves is less, then can determine to measure and be configured to Event triggered and measure.Wherein first threshold and Second Threshold can arrange as required.
For example, determine to measure the process of configuration according to the quantity of different districts overall identification in the persistent district information, specifically can judge according to whether this residential quarter overall identification is identical, if the residential quarter overall identification in the historical information chained list is all identical, can determine that then value of consult volume is 1, suppose that default Second Threshold is 1, then this value of consult volume equals Second Threshold, illustrate that portable terminal is when mobile, passed through same residential quarter more than once, also can think, in fact portable terminal is not in high-speed mobile, just moves around between certain several residential quarter, and the translational speed that then can determine wireless terminal is low speed, thereby can according to the comparative result of value of consult volume and Second Threshold, determine that the measurement configuration of this wireless terminal should be the Event triggered measurement.
Step 104 sends handover acknowledge message, comprises in this handover acknowledge message measuring configuration.
The purpose base station is sent to source base station by handover acknowledge message after the measurement configuration that sets wireless terminal, comprise above-mentioned measurement configuration in this message, so that source base station arranges the measurement configuration of wireless terminal according to described handover acknowledge message.
The embodiment of the invention is by determining to characterize the value of consult volume of wireless terminal velocity according to the persistent district information of wireless terminal when switching, so according to value of consult volume and predetermined threshold value relatively to come be that measurement corresponding to wireless terminal setting configures.The method has changed continues to use the mode that source base station is measured configuration in the prior art, but the measurement configuration that is more suitable for for the situation of movement setting of wireless terminal, thereby improved the accuracy of setting measurement configuration, reduced because the situation that the communication disruption that the variation of wireless terminal translational speed causes and invalid network overhead increase.
Referring to Fig. 2, measure the method to set up flow chart of configuration when switching for the another kind of UE of the embodiment of the invention.
The method can comprise:
Step 201 receives handover request message.
The historical information chained list that comprises wireless terminal in this handover request message.This step and abovementioned steps 101 are similar, repeat no more herein.
Step 202 checks whether the residential quarter overall identification in the historical information chained list is identical.
Can at first carry out preresearch estimates and classification according to this step to the speed of wireless terminal in the present embodiment.Whether at first, the historical information chained list of the wireless terminal in the handover request message is extracted in the purpose base station, then, travels through the residential quarter overall identification in this historical information chained list, check identically, if identical, then changes step 203 over to; If different, then change step 204～207 over to, according to the type of all residential quarters in the historical information chained list and the wireless terminal residence time in each residential quarter, determine the translational speed of wireless terminal by the purpose base station.
Step 203 determines that the translational speed of wireless terminal is low speed, and the measurement that wireless terminal is set is configured to Event triggered and measures.
If historical information chained list small area overall identification is identical, the quantity that also is the different districts overall identification is 1, with default Second Threshold 1 more as can be known, the translational speed of wireless terminal is low speed, measures configuration and should be Event triggered and measure.This measurement configuration can be sent to source base station by handover acknowledge message by the purpose base station.
Step 204 is determined the radius of residential quarter according to the type of residential quarter.
Obtain the information of all residential quarters in the historical information chained list, comprise that the type of residential quarter and wireless terminal are at residence time of each residential quarter etc.
The type of residential quarter can be that the area that covers according to the residential quarter is predefined, for example can be divided into large, medium and small three classes, and according to the size of area coverage, cell type be hour that can choose the radius of society size is 5Km; When cell type is middle, chooses the radius of society size and be 30Km; When cell type is large, chooses the radius of society size and be 100Km.
Step 205 at the residence time of this residential quarter, is calculated wireless terminal in the translational speed of this residential quarter according to the radius of residential quarter and wireless terminal.
Concrete, can according to the radius of residential quarter with reside in the ratio of the time of this residential quarter and determine the translational speed of wireless terminal in this residential quarter.
Suppose, the translational speed of the wireless terminal of resident A residential quarter is V1, and the translational speed that resides in the wireless terminal of B residential quarter is V2, and the translational speed that resides in the wireless terminal of C residential quarter is V3.Wherein, V3 is the translational speed in the last persistent district of wireless terminal, then calculating mean value (((V1+V2)/2)+V3)/2.With this mean value of calculating translational speed as wireless terminal.
Step 207 compares mean value and first and second threshold value of calculating, and determines to measure configuration.
If mean value is more than or equal to first threshold, then the translational speed of wireless terminal is that the measurement of wireless terminal is configured to period measurement at a high speed; If mean value, determines then that the translational speed of wireless terminal is low speed less than or equal to Second Threshold, the measurement of wireless terminal is configured to Event triggered and measures; If mean value greater than Second Threshold, less than first threshold, determines that then the translational speed of wireless terminal is middling speed, the measurement configuration of wireless terminal is identical with its former measurement configuration.
Step 208 sends handover acknowledge message, comprises in this handover acknowledge message measuring configuration.
The purpose base station is sent to source base station by handover acknowledge message after the measurement configuration that sets wireless terminal, comprise above-mentioned measurement configuration in this message, arranges with this wireless terminal of preparing to switch in source base station and measures configuration.
The embodiment of the invention is passed through in conjunction with the dual mode combination, determined to be used for characterizing the value of consult volume of wireless terminal movement velocity, and then relatively be that wireless terminal is set corresponding measurement and configured according to value of consult volume and first and second threshold value, improved the accuracy of setting measurement configuration, reduced because the situation that the communication disruption that the variation of wireless terminal translational speed causes and invalid network overhead increase.
Referring to Fig. 3, be the flow chart of a kind of base station-to-base station handover method of the embodiment of the invention.
The method can comprise:
Step 301 receives handover request message, comprises the persistent district information that can embody wireless terminal displacement situation in the handover request message.
Step 302 according to persistent district information, is identified for characterizing the value of consult volume of described wireless terminal translational speed.
Step 303 determines to measure configuration according to value of consult volume.
When value of consult volume during more than or equal to first threshold, determine to measure and be configured to period measurement, when value of consult volume during less than or equal to Second Threshold, determine to measure and be configured to Event triggered and measure.
Step 304 sends handover acknowledge message, comprises in the handover acknowledge message measuring configuration.
So that source base station arranges the measurement configuration of described wireless terminal according to described handover acknowledge message.
Above step 301～304 are similar with previous embodiment, repeat no more herein.
After source base station switched to the purpose base station, wireless terminal carries out Event triggered according to the measurement configuration of purpose base station to be measured or period measurement, then to purpose base station reporting measurement reports.
That Event triggered is measured if measure configuration, the measurement report that reports of purpose base station waits wireless terminal then.If measuring configuration is period measurement, then the purpose base station can be set timer the time that receives measurement report is carried out timing, carries out the operations such as switching according to timing result and the measurement report that receives, specifically sees also the description of subsequent embodiment.
Step 306 is initiated to switch when measurement report satisfies switching condition.
The purpose base station is judged according to measurement report after receiving measurement report, when satisfying default switching condition, initiates to switch to the best residential quarter of signal according to the content of measurement report, as not satisfying, does not then switch.Wherein, the setting of switching condition and handoff procedure are prior art, repeat no more herein.
It is that wireless terminal is set corresponding measurement configuration that the embodiment of the invention is come according to the value of consult volume that is used for sign wireless terminal movement velocity, improved the accuracy of setting measurement configuration, reduced because the situation that the communication disruption that the variation of wireless terminal translational speed causes and invalid network overhead increase.
Referring to Fig. 4, be the flow chart of the another kind of base station-to-base station handover method of the embodiment of the invention.
The method can comprise:
Step 401 receives handover request message, comprises the persistent district information that can embody wireless terminal displacement situation in the handover request message.
Step 402 according to persistent district information, is identified for characterizing the value of consult volume of described wireless terminal translational speed.
Step 403 determines to measure configuration according to value of consult volume.
When value of consult volume during more than or equal to first threshold, determine to measure and be configured to period measurement, when value of consult volume during less than or equal to Second Threshold, determine to measure and be configured to Event triggered and measure.
Step 404 sends handover acknowledge message, comprises in the handover acknowledge message measuring configuration.
Above step 401～404 are similar with previous embodiment, repeat no more herein.
The present embodiment describes as high speed as example take the translational speed of wireless terminal, and then the purpose base station is that the measurement that wireless terminal is set is configured to period measurement in above-mentioned steps.
Step 405 is set the time restriction of receiving cycle measurement report, and the time that receives the period measurement report is carried out timing.
In this step, in the purpose base station timer can be set, finish the initial beginning timing from source base station to switching to of purpose base station with wireless terminal.
Step 406 when timing reaches the time restriction of setting, judges whether to receive the period measurement report.
If, then change step 407 over to, if not, then change step 408 over to.
Step 407 is initiated to switch when switching condition is satisfied in the period measurement report.
If satisfy switching condition, then the purpose base station initiates to switch to another best base station of signal according to measurement report, and the timer of closing the purpose base station.If do not satisfy switching condition, the then original period measurement report that keeps of deletion keeps the period measurement report that this wireless terminal reports.
The embodiment of the invention has not only improved the accuracy of setting measurement configuration, has reduced because the situation that the communication disruption that the variation of wireless terminal translational speed causes and invalid network overhead increase.And, by for different measurement configurations corresponding switchover policy being set, ensured the smooth switching between the base station.
More than be the detailed description to the inventive method embodiment, the below is introduced system or the device of realizing said method.
Referring to Fig. 5, be the structural representation of a kind of base station of the embodiment of the invention.
This base station can comprise:
When wireless terminal is switched to the purpose base station by source base station, the handover request message that is at first sent by the 501 reception sources base stations, message sink unit of purpose base station.Include the persistent district information that can embody wireless terminal displacement situation in this handover request message, for example can comprise the residential quarter overall identification, can also directly comprise the type of residential quarter and residence time etc., this information can leave in the historical information chained list of handover request message.Speed determining unit 502 is transferred the information of persistent district in the historical information chained list, and then be identified for characterizing wireless terminal translational speed value of consult volume, concrete, this value of consult volume can be the quantity of different districts overall identification in the persistent district information, also can be that direct type according to all residential quarters in the historical information chained list and wireless terminal are at the residence time of each residential quarter, the translational speed of the wireless terminal that calculates can also be that above-mentioned dual mode combines.Configuration determining unit 503 can determine to measure configuration according to this value of consult volume, concrete can work as value of consult volume more than or equal to first threshold the time, illustrate that the speed that wireless terminal moves is larger, can determine to measure and be configured to period measurement, when value of consult volume during less than or equal to Second Threshold, illustrate that the speed that wireless terminal moves is less, then can determine to measure and be configured to Event triggered and measure.Wherein first threshold and Second Threshold can arrange as required.Then, by handover acknowledge message the measurement configuration of the wireless terminal that sets is sent to source base station by acknowledgement messaging unit 504, so that source base station arranges the measurement configuration of wireless terminal according to described handover acknowledge message.
The embodiment of the invention has improved the accuracy of setting measurement configuration by said units, reduced because the situation that the communication disruption that the variation of wireless terminal translational speed causes and invalid network overhead increase.
Referring to Fig. 6, be the structural representation of the another kind of base station of the embodiment of the invention.
This base station is except comprising message sink unit 601, and speed determining unit 602 outside configuration determining unit 603 and the acknowledgement messaging unit 604, can also comprise timer 605, report receiving element 606 and switch unit 607.Wherein, message sink unit 501, acknowledgement messaging unit 504 in message sink unit 601, acknowledgement messaging unit 604 and above-described embodiment are similar, repeat no more herein.
Wherein, timer 605 is used for setting the time restriction of receiving cycle measurement report when measuring when being configured to period measurement, carries out timing to receiving the time that period measurement reports.
Report receiving element 606 after being used for finishing switching, receives wireless terminal and configures the measurement report that reports according to measuring.
Radius is determined subelement 6021, is used for determining according to the type of residential quarter the radius of residential quarter.
The first computation subunit 6022 is used for according to the radius of residential quarter and institute's line terminal calculating wireless terminal in the translational speed of this residential quarter at the residence time of this residential quarter.
The second computation subunit 6023 be used for to be calculated the translational speed of the last resident residential quarter of wireless terminal and translational speed mean of mean in other residential quarter, with the described mean value that the calculates translational speed as described wireless terminal.
The embodiment of the invention has not only improved the accuracy of setting measurement configuration by said units, reduced because the situation that the communication disruption that the variation of wireless terminal translational speed causes and invalid network overhead increase.And, by for different measurement configurations corresponding switchover policy being set, ensured the smooth switching between the base station.
The specific implementation process of each unit, above-mentioned base station please refer to the corresponding description of preceding method embodiment part, repeats no more herein.
Above-described embodiment of the present invention does not consist of the restriction to protection range of the present invention.Any modification of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection range of the present invention.
Claims (14)
1. measure the method to set up of configuration when a UE switches, it is characterized in that, comprising:
Receive handover request message, comprise the persistent district information that can embody wireless terminal displacement situation in the described handover request message, described persistent district information comprises the residential quarter overall identification;
According to described persistent district information, be identified for characterizing the value of consult volume of described wireless terminal translational speed;
Arrange according to described value of consult volume and to measure configuration, when described value of consult volume during more than or equal to first threshold, determine to measure and be configured to period measurement, when described value of consult volume during less than or equal to Second Threshold, determine to measure and be configured to Event triggered and measure;
Send handover acknowledge message, comprise described measurement configuration in the described handover acknowledge message, so that source base station arranges the measurement configuration of described wireless terminal according to described handover acknowledge message.
2. method according to claim 1 is characterized in that, and is described according to described persistent district information, is identified for characterizing the value of consult volume of described wireless terminal translational speed, comprising:
Determine the quantity of different districts overall identification in the described persistent district information, with the quantity of described different districts overall identification as described value of consult volume.
3. method according to claim 1 is characterized in that, and is described according to described persistent district information, is identified for characterizing the value of consult volume of described wireless terminal translational speed, comprising:
According to the type of all residential quarters in the described persistent district information and the described wireless terminal residence time in each residential quarter, calculate the translational speed of described wireless terminal, with the translational speed of described wireless terminal as described value of consult volume.
4. method according to claim 3 is characterized in that, the translational speed of the described wireless terminal of described calculating comprises:
Determine the radius of residential quarter according to the type of described residential quarter;
At the residence time of this residential quarter, calculate described wireless terminal in the translational speed of this residential quarter according to the radius of described residential quarter and described wireless terminal;
Calculate the translational speed of the last resident residential quarter of described wireless terminal and translational speed mean of mean in other residential quarter, with the described mean value that the calculates translational speed as described wireless terminal.
5. method according to claim 4 is characterized in that, the described setting according to described value of consult volume measured configuration, also comprises:
When the translational speed of described wireless terminal greater than described Second Threshold, during less than described first threshold, the measurement configuration that described wireless terminal is set configures identical with its former measurement.
6. a base station-to-base station handover method is characterized in that, comprising:
Receive handover request message, comprise the persistent district information that can embody wireless terminal displacement situation in the described handover request message, described persistent district information comprises the residential quarter overall identification;
According to described persistent district information, be identified for characterizing the value of consult volume of described wireless terminal translational speed;
Arrange according to described value of consult volume and to measure configuration, when described value of consult volume during more than or equal to first threshold, determine to measure and be configured to period measurement, when described value of consult volume during less than or equal to Second Threshold, determine to measure and be configured to Event triggered and measure;
Send handover acknowledge message, comprise described measurement configuration in the described handover acknowledge message, so that source base station arranges the measurement configuration of described wireless terminal according to described handover acknowledge message;
After finishing switching, receive the measurement report that described wireless terminal reports according to described measurement configuration;
When satisfying switching condition, described measurement report initiates to switch.
7. method according to claim 6 is characterized in that, if described measurement is configured to period measurement, then before the measurement report that the described wireless terminal of described reception reports according to described measurement configuration, also comprises:
Set the time restriction of receiving cycle measurement report, the time that receives described period measurement report is carried out timing;
The described initiation when described measurement report satisfies switching condition switched, and is specially:
If receive described measurement report in the described time restriction of setting, and described measurement report satisfies switching condition, then initiation switching.
8. a base station is characterized in that, comprising:
The message sink unit is used for receiving handover request message, comprises the persistent district information that can embody wireless terminal displacement situation in the described handover request message, and described persistent district information comprises the residential quarter overall identification;
The speed determining unit is used for according to described persistent district information, is identified for characterizing the value of consult volume of described wireless terminal translational speed;
The configuration determining unit is used for arranging according to described value of consult volume and measures configuration, when described value of consult volume during more than or equal to first threshold, determines to measure and is configured to period measurement, when described value of consult volume during less than or equal to Second Threshold, determines to measure and is configured to Event triggered and measures;
The acknowledgement messaging unit is used for sending handover acknowledge message, comprises described measurement configuration in the described handover acknowledge message, so that source base station arranges the measurement configuration of described wireless terminal according to described handover acknowledge message.
9. base station according to claim 8 is characterized in that,
Described speed determining unit, the concrete quantity that is used for determining described persistent district information different districts overall identification, with the quantity of described different districts overall identification as described value of consult volume.
10. base station according to claim 8 is characterized in that,
Described speed determining unit, concrete being used for according to the type of all residential quarters of described persistent district information and the described wireless terminal residence time in each residential quarter, calculate the translational speed of described wireless terminal, with the translational speed of described wireless terminal as described value of consult volume.
11. base station according to claim 10 is characterized in that, described speed determining unit comprises:
Radius is determined subelement, is used for determining according to the type of described residential quarter the radius of residential quarter;
The first computation subunit is used for according to the radius of described residential quarter and described wireless terminal calculating described wireless terminal in the translational speed of this residential quarter at the residence time of this residential quarter;
The second computation subunit is used for calculating the translational speed of the last resident residential quarter of described wireless terminal and translational speed mean of mean in other residential quarter, with the described mean value that the calculates translational speed as described wireless terminal.
12. according to claim 9 or 11 described base stations, it is characterized in that,
Described configuration determining unit, the translational speed that also is used for working as described wireless terminal are greater than described Second Threshold, and during less than described first threshold, the measurement configuration that described wireless terminal is set is identical with its former measurement configuration.
13. base station according to claim 8 is characterized in that, also comprises:
The report receiving element after being used for finishing switching, receives the measurement report that described wireless terminal reports according to described measurement configuration;
Switch unit is used for initiating to switch when described measurement report satisfies switching condition.
14. base station according to claim 12 is characterized in that, also comprises:
Timer is used for when described measurement is configured to period measurement, sets the time restriction of receiving cycle measurement report, carries out timing to receiving the time that described period measurement reports;
Described switch unit, concrete being used for receives described measurement report when described timer timing does not surpass the described time restriction of setting, and described measurement report is initiated switching when satisfying switching condition.
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