CN101742599B - Method, device and system for selecting target cell - Google Patents

Method, device and system for selecting target cell Download PDF

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Publication number
CN101742599B
CN101742599B CN200810179100.XA CN200810179100A CN101742599B CN 101742599 B CN101742599 B CN 101742599B CN 200810179100 A CN200810179100 A CN 200810179100A CN 101742599 B CN101742599 B CN 101742599B
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frequency
subscriber equipment
needs
adjacent cell
community
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CN101742599A (en
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肖登坤
李安俭
贺媛
于映辉
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

The invention discloses a method, device and system for selecting target cell. The method disclosed by the invention includes: frequency points required to measured by user equipment are determined, wherein the frequency points required to be measured include frequency points except overload ones contained in adjacent cells of the cell where the user equipment is located, and/or frequency points contained in the adjacent cells where the user equipment is about to leave, and/or frequency points not supported by the user equipment; the user equipment is notified to measure the frequency points required to be measured; measurement result of the frequency points required to be measured returned by the user equipment is received; and a target cell is selected according to the measurement result of the frequency points required to be measured. By applying the invention, measurement delay is reduced.

Description

Method, the Apparatus and system of a kind of select target community
Technical field
The present invention relates to communication technical field, relate in particular to method, the Apparatus and system of a kind of select target community.
Background technology
While carrying out community switching, select target community normally eNB (Evolve Node Base Station, base station), according to the Serving cell at UE (User Equipment, subscriber equipment) place, selects the frequency of neighbor cell to be handed down to UE; The frequency that subscriber equipment issues base station is measured, and measured value is reported to base station; Base station is according to the measured value of user equipment to report, and selecting the community at the frequency place that signal is the strongest is Target cell.
And at LTE-A (Long Term Evolution Advanced, strengthen Long Term Evolution project) in, a plurality of wave bands carry out polymerization, concrete wave band is as follows: 450-470 MHz band, 698-862 MHz band, 790-862 MHz band, 2.3-2.4 GHz band, 3.4-4.2 GHz band, 4.4-4.99 GHz band.
Inventor, in research process, finds that due to the increase of wave band, in polymerization situation, frequency increases in LTE-A system, and measuring time delay also will increase accordingly.But, in LET-A system to time delay is more harsh end to end.Need new method to reduce and measure time delay.
Summary of the invention
In view of this, the embodiment of the present invention provides method, the Apparatus and system of a kind of select target community, to reduce measurement time delay.
A method for select target community, comprising:
Determine the frequency that subscriber equipment need to be measured, wherein need the frequency of measuring to comprise: the frequency that the adjacent cell of community, subscriber equipment place comprises filter out the frequency that transships in adjacent cell and/or subscriber equipment just away from the frequency that comprises of adjacent cell and/or the frequency do not supported of subscriber equipment;
The frequency that notifying user equipment is measured needs is measured;
The measurement result of the frequency that the needs that reception subscriber equipment returns are measured;
The measurement result select target community of the frequency of measuring as required.
A method of measuring frequency during select target community, comprising:
Reception is from the measurement control order of base station, in measurement control order, comprise the frequency point information that needs are measured, wherein need the frequency of measuring to comprise: the frequency that the adjacent cell of community, subscriber equipment place comprises filter out the frequency that transships in adjacent cell and/or subscriber equipment just away from adjacent cell comprise the frequency that frequency and/or subscriber equipment are not supported;
The frequency that needs are measured is measured;
Report the measurement result of the frequency that needs measurement.
A base station for select target community, comprising:
Determining unit, for the frequency of determining that subscriber equipment need to be measured, wherein need the frequency of measuring to comprise: the frequency that the adjacent cell of community, subscriber equipment place comprises filter out the frequency that transships in adjacent cell and/or subscriber equipment just away from the frequency that comprises of adjacent cell and/or the frequency do not supported of subscriber equipment;
Notification unit, the frequency of the definite needs of determining unit being measured for notifying user equipment is measured;
Receiving element, for the notice of carrying out according to notification unit, the measurement result of the frequency that the needs that reception subscriber equipment returns are measured;
Selected cell, the measurement result of the frequency of measuring for the needs that receive according to receiving element, select target community.
A subscriber equipment of measuring frequency during select target community, comprising:
Receiving element, for receiving the measurement control order from base station, in measurement control order, comprise the frequency point information that needs are measured, wherein need the frequency of measuring to comprise: the frequency that the adjacent cell of community, subscriber equipment place comprises filter out the frequency that transships in adjacent cell and/or subscriber equipment just away from adjacent cell comprise the frequency that frequency and/or subscriber equipment are not supported;
Measuring unit, the frequency of measuring for the needs that receive according to receiving element, the frequency that needs are measured is measured;
Report unit, for the measurement of carrying out according to measuring unit, report the measurement result of the frequency that needs measurement.
A system for select target community, comprising:
Base station, communicate with subscriber equipment, for the frequency of determining that subscriber equipment need to be measured, wherein need the frequency of measuring to comprise: the frequency that the adjacent cell of community, subscriber equipment place comprises filter out the frequency that transships in adjacent cell and/or subscriber equipment just away from the frequency that comprises of adjacent cell and/or the frequency do not supported of subscriber equipment; The frequency that notifying user equipment is measured needs is measured; The measurement result of the frequency that the needs that reception subscriber equipment returns are measured; The measurement result select target community of the frequency of measuring as required.
Can find out, because base station is before notifying user equipment is measured, the all possible frequency of adjacent cell to community, subscriber equipment place filters, filter out in certain adjacent cell occur the frequency of overload and/or subscriber equipment just away from the frequency that comprises of adjacent cell and/or the frequency do not supported of subscriber equipment, thereby reduced the measurement time delay of subscriber equipment.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention one method flow diagram;
Fig. 2 is the embodiment of the present invention two method flow diagrams;
Fig. 3 is the embodiment of the present invention three method flow diagrams;
Fig. 4 is the frequency schematic diagram that in the embodiment of the present invention three, signal strength signal intensity strengthens gradually;
Fig. 5 is the comparison schematic diagram that the embodiment of the present invention is measured time delay and prior art measurement time delay;
Fig. 6 is the structure chart of the embodiment of the present invention four base stations;
Fig. 7 is the structure chart of the embodiment of the present invention five subscriber equipmenies.
Embodiment
For above-mentioned feature, the advantage of the embodiment of the present invention are become apparent more, below in conjunction with embodiment, be elaborated.
Please refer to Fig. 1, is the embodiment of the present invention one method flow diagram, comprises the following steps:
Step 101: determine the frequency that subscriber equipment need to be measured, wherein need the frequency of measuring to comprise: the frequency that the adjacent cell of community, subscriber equipment place comprises filter out the frequency that transships in adjacent cell and/or subscriber equipment just away from the frequency that comprises of adjacent cell and/or the frequency do not supported of subscriber equipment;
Step 102: the frequency that notifying user equipment is measured needs is measured;
Step 103: the measurement result of the frequency that the needs that reception subscriber equipment returns are measured;
Step 104: the measurement result select target community of the frequency of measuring as required.
Can find out, because base station is before notifying user equipment is measured, the all possible frequency of adjacent cell to community, subscriber equipment place filters, filter out in certain adjacent cell occur the frequency of overload and/or subscriber equipment just away from the frequency that comprises of adjacent cell and/or the frequency do not supported of subscriber equipment, thereby reduced the measurement time delay of subscriber equipment.
Please refer to Fig. 2, is the embodiment of the present invention two method flow diagrams, comprises the following steps:
Step 201: determine the frequency that subscriber equipment need to be measured, wherein need the frequency of measuring to comprise: the frequency that the adjacent cell of community, subscriber equipment place comprises filter out the frequency that transships in adjacent cell and/or subscriber equipment just away from the frequency that comprises of adjacent cell and/or the frequency do not supported of subscriber equipment;
Step 202: the frequency that notifying user equipment is measured needs is measured;
Step 203: the measurement result of the frequency that the needs that reception subscriber equipment returns are measured, needs the measurement result of the frequency of measurement to comprise the frequency that subscriber equipment is marked;
Step 204: select frequency from the frequency of marking, using the community at the frequency place of selecting as Target cell.
Can find out, by step 201, to step 204, not only reduce the measurement time delay of subscriber equipment, save power.In addition, when subscriber equipment is measured, by the frequency that signal strength signal intensity is strengthened gradually, mark, make select target community exactly, base station, not only can save the power of subscriber equipment, and reduce network signal burden.
Before being elaborated, the following parameter of paper:
S1: represent adjacent cell frequency point sets;
S2: the frequency point sets transshipping in S1, can pass through the overload frequency of OI (Overload Indication, overload indication) indication and construct and upgrade;
In S3:S1, remove the set of the frequency composition of S2;
S4: the set that subscriber equipment forms according to the frequency of metrical information and/or the just close adjacent cell of the definite subscriber equipment of locating information, metrical information can be by RSRP (Reference Signal ReceivedPower, Reference Signal Received Power) estimate, locating information can be determined by other localization method, localization method is GPS (Global Positioning System, global positioning system) method for example;
S5: the set that the frequency that subscriber equipment is supported forms;
S6: be included in the set that the frequency measured by subscriber equipment in measurement control order forms.
Please refer to Fig. 3, is the embodiment of the present invention three method flow diagrams, can comprise the following steps:
Step 301-1: base station structure S1, S2, S4 and S5;
Step 301-2: S3, S3=S1-S2 are calculated in base station;
Step 301-3: S6, S6=S3 ∩ S4 ∩ S5 are calculated in base station;
Step 301-4: base station judges whether S6 is empty set, and if so, flow process finishes, otherwise, step 302 entered;
Filter all possible frequency of adjacent cell of community, subscriber equipment place to step 301-4 by step 301-1 base station, by in certain adjacent cell, occur the frequency of overload and/or subscriber equipment just away from the frequency that comprises of adjacent cell and/or the frequency do not supported of subscriber equipment filter out, thereby reduced the frequency points that subscriber equipment is measured.
Step 302: base station sends measurement control order to subscriber equipment, comprises S6 in measurement control order;
Step 303-1: subscriber equipment receives the measurement control order from base station;
Step 303-2: subscriber equipment is measured the frequency comprising in S6;
Subscriber equipment is at each frequency witness mark information strength of S6, and when measuring, subscriber equipment not only will record the mean value of sampled value, also will record each measured value of each frequency, and each measured value is sorted.
Step 303-3: subscriber equipment carries out smothing filtering by the measured value of each frequency of measuring;
Smothing filtering can adopt the method for the mean value of asking each measured value, can also adopt other method.
Step 303-4: subscriber equipment in carrying out the process of smothing filtering, the frequency that select-out signal intensity strengthens gradually, and the frequency of selecting is marked;
Wherein, the frequency that in each carrier wave of S6, signal strength signal intensity strengthens is gradually marked and can be adopted 1 bit bit to mark.The frequency that signal strength signal intensity is strengthened is gradually marked, and can illustrate that subscriber equipment moves to the community at this frequency place.Please refer to Fig. 4, the frequency schematic diagram strengthening gradually for signal strength signal intensity in the embodiment of the present invention three.
By step 303-1, to step 303-4, subscriber equipment is determined most probable Target cell by the method for marking, and base station is when determining Target cell, and the mark that can do according to subscriber equipment is select target community more accurately.
Step 304: subscriber equipment is to base station reporting measurement result;
Measurement result comprises frequency that subscriber equipment is marked and the measured value of each frequency.
Step 305-1: base station receives the measurement result from subscriber equipment;
Step 305-2: select a frequency the frequency of marking from subscriber equipment in base station, using the community at the frequency place of selecting as Target cell;
Arrange frequency according to the measurement result receiving base station, can frequency be carried out to descending according to signal strength signal intensity.And, select the frequency of marking, before the frequency of marking is come, if the frequency of marking is more than one, according to the signal strength signal intensity of the frequency of marking, carry out descending.From the frequency of marking, select a frequency, using the community at this frequency place as Target cell.
Step 306: base station sends Target cell switching command to subscriber equipment.
Please refer to Fig. 5, is the comparison schematic diagram of embodiment of the present invention measurement time delay and prior art measurement time delay, wherein, Tnew represents measurement time delay of the present invention, Told represents the measurement time delay of prior art, and abscissa represents the frequency overload probability of adjacent cell, and ordinate represents the ratio of Tnew and Told.When the frequency overload probability of adjacent cell increases, the advantage that the present invention reduces measurement time delay is more obvious.When in adjacent cell, all frequencies transship, switching gets clogged.
Can find out, because base station is before sending measurement control order to subscriber equipment, the all possible frequency of the adjacent cell of subscriber equipment is filtered, filter out in certain adjacent cell occur the frequency of overload and/or subscriber equipment just away from the frequency that comprises of adjacent cell and/or the frequency do not supported of subscriber equipment, so not only reduce the measurement time delay of subscriber equipment, and saved power.
In addition, when subscriber equipment is measured, by the frequency that signal strength signal intensity is strengthened gradually, mark, make select target community exactly, base station, not only can save the power of subscriber equipment, and reduce network signal burden.
Please refer to Fig. 6, is the structure chart of the embodiment of the present invention four base stations, can comprise:
Determining unit 601, for the frequency of determining that subscriber equipment need to be measured, wherein need the frequency of measuring to comprise: the frequency that the adjacent cell of community, subscriber equipment place comprises filter out the frequency that transships in adjacent cell and/or subscriber equipment just away from the frequency that comprises of adjacent cell and/or the frequency do not supported of subscriber equipment;
Notification unit 602, the frequency of the definite needs of determining unit 601 being measured for notifying user equipment is measured;
Receiving element 603, for the notice of carrying out according to notification unit 602, the measurement result of the frequency that the needs that reception subscriber equipment returns are measured;
Selected cell 604, the measurement result of the frequency of measuring for the needs that receive according to receiving element 603, select target community.
Determining unit 601 can comprise:
Structural unit, be used for constructing the first set, the second set, the 4th set and the 5th set, the set that the frequency that the first set is the adjacent cell of community, subscriber equipment place forms, the set that the second set forms for the frequency transshipping in the first set, the set that the 4th set forms according to the frequency of metrical information and/or the just close adjacent cell of the definite subscriber equipment of locating information for subscriber equipment, the set that the 5th set forms for the frequency of subscriber equipment support;
The first computing unit, for the first set and second according to structural unit structure, gather, calculating the first set and the second difference of gathering, obtain the 3rd set, and the 3rd set is the set in the first set, the frequency after the frequency removal being included in the second set being formed;
The second computing unit, for the 3rd set obtaining according to the first computing unit, calculates the 4th set, the 5th intersection of sets collection of the 3rd set and structural unit structure.
Further, if the measurement result of the frequency that the needs that receiving element 603 receives are measured comprises the frequency that subscriber equipment is marked, selected cell 604 is selected frequency from the frequency of marking, using the community at the frequency place of selecting as Target cell.
Please refer to Fig. 7, is the structure chart of the embodiment of the present invention five subscriber equipmenies, can comprise:
Receiving element 701, for receiving the measurement control order from base station, in measurement control order, comprise the frequency point information that needs are measured, wherein need the frequency of measuring to comprise: the frequency that the adjacent cell of community, subscriber equipment place comprises filter out the frequency that transships in adjacent cell and/or subscriber equipment just away from adjacent cell comprise the frequency that frequency and/or subscriber equipment are not supported;
Measuring unit 702, the frequency of measuring for the needs that receive according to receiving element 701, the frequency that needs are measured is measured;
Report unit 703, for the measurement of carrying out according to measuring unit 702, report the measurement result of the frequency that needs measurement.
Subscriber equipment also comprises:
Indexing unit, for the process of measuring at measuring unit 702, the frequency that in the frequency that needs are measured, signal strength signal intensity strengthens is gradually marked.
The operation of carrying out below in conjunction with above-mentioned each unit of three pairs of base stations of the embodiment of the present invention and subscriber equipment describes.
Structural unit structure S1, S2, S4 and the S5 of base station.The first computing unit calculates S3, S3=S1-S2.The second computing unit calculates S6, S6=S3 ∩ S4 ∩ S5.Notification unit 602 sends measurement control order to subscriber equipment, comprises S6 in measurement control order.
The measurement control order that the receiving element 701 of subscriber equipment receives from base station.702 pairs of measuring units need the frequency of measuring to measure.At measuring unit 702, carry out in measuring process, the frequency that in the frequency that indexing unit is measured needs, signal strength signal intensity strengthens is gradually marked.Report 703Xiang base station, unit reporting measurement result, measurement result comprises frequency that subscriber equipment marks and the measured value of each frequency.
The receiving element 603 of base station receives the measurement result that subscriber equipment returns, and selected cell 604 is selected frequency from the frequency of marking, using the community at the frequency place of selecting as Target cell.
Can find out, because base station is before sending measurement control order to subscriber equipment, the all possible frequency of the adjacent cell of subscriber equipment is filtered, filter out in certain adjacent cell occur the frequency of overload and/or subscriber equipment just away from the frequency that comprises of adjacent cell and/or the frequency do not supported of subscriber equipment, so not only reduce the measurement time delay of subscriber equipment, and saved power.
In addition, when subscriber equipment is measured, by the frequency that signal strength signal intensity is strengthened gradually, mark, make select target community exactly, base station, not only can save the power of subscriber equipment, and reduce network signal burden.
The embodiment of the present invention six also provides the system of a kind of select target community, comprising:
Base station, communicate with subscriber equipment, for the frequency of determining that subscriber equipment need to be measured, wherein need the frequency of measuring to comprise: the frequency that the adjacent cell of community, subscriber equipment place comprises filter out the frequency that transships in adjacent cell and/or subscriber equipment just away from the frequency that comprises of adjacent cell and/or the frequency do not supported of subscriber equipment; The frequency that notifying user equipment is measured needs is measured; The measurement result of the frequency that the needs that reception subscriber equipment returns are measured; The measurement result select target community of the frequency of measuring as required.
The embodiment of the present invention seven also provides the system of a kind of select target community, comprising:
Base station, communicate with subscriber equipment, for the frequency of determining that subscriber equipment need to be measured, wherein need the frequency of measuring to comprise: the frequency that the adjacent cell of community, subscriber equipment place comprises filter out the frequency that transships in adjacent cell and/or subscriber equipment just away from the frequency that comprises of adjacent cell and/or the frequency do not supported of subscriber equipment; The frequency that notifying user equipment is measured needs is measured; The measurement result of the frequency that the needs that reception subscriber equipment returns are measured, needs the measurement result of the frequency of measurement to comprise the frequency that subscriber equipment is marked; From the frequency of marking, select frequency, using the community at the frequency place of selecting as Target cell.
In the invention described above embodiment six and embodiment seven, base station is identical with the embodiment of the present invention one, embodiment bis-and embodiment tri-with the operation that subscriber equipment is carried out, and specifically refers to the description of the embodiment of the present invention one, embodiment bis-and embodiment tri-.
Finally, also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises this key element and also have other identical element.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential hardware platform by software and realize, can certainly all by hardware, implement, but in a lot of situation, the former is better execution mode.Understanding based on such, what technical scheme of the present invention contributed to background technology can embody with the form of software product in whole or in part, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method for some part of each embodiment of the present invention or embodiment.
Above method, the Apparatus and system of a kind of select target provided by the present invention community are described in detail, applied specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.

Claims (12)

1. a method for select target community, is characterized in that, described method comprises:
Determine the frequency that subscriber equipment need to be measured, the wherein said frequency of need measuring comprises: the frequency that the adjacent cell of community, described subscriber equipment place comprises filter out the frequency that transships in described adjacent cell and/or described subscriber equipment just away from the frequency that comprises of adjacent cell and/or the frequency do not supported of described subscriber equipment;
Notify described subscriber equipment to measure the described frequency of measuring that needs;
Receive the described measurement result that needs the frequency of measurement that described subscriber equipment returns;
According to the described measurement result select target community that needs the frequency of measurement.
2. method according to claim 1, is characterized in that, the described measurement result of the frequency of measurement that needs comprises the frequency that described subscriber equipment is marked.
3. method according to claim 2, is characterized in that, the measurement result select target community of the described frequency of measuring is as required specially:
From described frequency of marking, select frequency, using the community at the frequency place of selecting as Target cell.
4. method according to claim 3, is characterized in that, when the number of described frequency of marking is greater than 1, from described frequency of marking, selects frequency, and the community at the frequency place of selection is comprised as Target cell:
According to the signal strength signal intensity of described frequency of marking, described frequency of marking is carried out to descending;
From carried out the frequency of marking of descending, select frequency, using the community at the frequency place of selecting as Target cell.
5. method according to claim 1, is characterized in that, the realization of described filtration is specially:
Structure the first set, the second set, the 4th set and the 5th set, the set that the frequency that described the first set is the adjacent cell of community, described subscriber equipment place forms, the set that the frequency that described the second set is overload in described the first set forms, the set that the frequency of the adjacent cell that described subscriber equipment that described the 4th set is determined according to metrical information and/or locating information for described subscriber equipment is just close forms, the set that described the 5th set forms for the frequency of described subscriber equipment support;
Calculate described the first set and the described second difference of gathering, obtain the 3rd set, the set of described the 3rd set for the frequency after the frequency removal being included in described the second set being formed in described the first set;
Calculate described the 3rd set, described the 4th set and described the 5th intersection of sets collection.
6. measure a method for frequency during select target community, it is characterized in that, described method comprises:
Reception is from the measurement control order of base station, in described measurement control order, comprise the frequency point information that needs are measured, the wherein said frequency of measuring that needs comprises: the frequency that the adjacent cell of community, subscriber equipment place comprises filter out the frequency that transships in described adjacent cell and/or described subscriber equipment just away from adjacent cell comprise the frequency that frequency and/or described subscriber equipment are not supported;
The described frequency of measuring that needs is measured;
Report the described measurement result that needs the frequency of measurement.
7. method according to claim 6, is characterized in that, described method also comprises:
The frequency that in the described frequency that needs to measure, signal strength signal intensity strengthens is gradually marked.
8. a base station for select target community, is characterized in that, described base station comprises:
Determining unit, for the frequency of determining that subscriber equipment need to be measured, the wherein said frequency of measuring that needs comprises: the frequency that the adjacent cell of community, described subscriber equipment place comprises filter out the frequency that transships in described adjacent cell and/or described subscriber equipment just away from the frequency that comprises of adjacent cell and/or the frequency do not supported of described subscriber equipment;
Notification unit, for notifying the described frequency of measuring that needs that described subscriber equipment is determined described determining unit to measure;
Receiving element, for the notice of carrying out according to described notification unit, receives the described measurement result that needs the frequency of measurement that described subscriber equipment returns;
Selected cell, for the described measurement result that needs the frequency of measurement receiving according to described receiving element, select target community.
9. base station according to claim 8, is characterized in that, described determining unit comprises:
Structural unit, be used for constructing the first set, the second set, the 4th set and the 5th set, the set that the frequency that described the first set is the adjacent cell of community, described subscriber equipment place forms, the set that the frequency that described the second set is overload in described the first set forms, the set that the frequency of the adjacent cell that described subscriber equipment that described the 4th set is determined according to metrical information and/or locating information for described subscriber equipment is just close forms, the set that described the 5th set forms for the frequency of described subscriber equipment support;
The first computing unit, for described the first set and described second according to described structural unit structure, gather, calculate described the first set and the described second difference of gathering, obtain the 3rd set, the set of described the 3rd set for the frequency after the frequency removal being included in described the second set being formed in described the first set;
The second computing unit, for described the 3rd set obtaining according to described the first computing unit, calculates described the 3rd set and described the 4th set of described structural unit structure, described the 5th intersection of sets collection.
10. measure a subscriber equipment for frequency during select target community, it is characterized in that, described subscriber equipment comprises:
Receiving element, for receiving the measurement control order from base station, in described measurement control order, comprise the frequency point information that needs are measured, the wherein said frequency of measuring that needs comprises: the frequency that the adjacent cell of community, described subscriber equipment place comprises filter out the frequency that transships in described adjacent cell and/or described subscriber equipment just away from adjacent cell comprise the frequency that frequency and/or described subscriber equipment are not supported;
Measuring unit, the frequency of measuring for the needs that receive according to described receiving element, measures the described frequency of measuring that needs;
Report unit, for the measurement of carrying out according to described measuring unit, report the described measurement result that needs the frequency of measurement.
11. subscriber equipmenies according to claim 10, is characterized in that, described subscriber equipment also comprises:
Indexing unit, for the process of measuring at described measuring unit, marks to the frequency that in the described frequency that needs to measure, signal strength signal intensity strengthens gradually.
The system of 12. 1 kinds of select target communities, is characterized in that, described system comprises:
Base station, communicate with subscriber equipment, for the frequency of determining that described subscriber equipment need to be measured, the wherein said frequency of measuring that needs comprises: the frequency that the adjacent cell of community, described subscriber equipment place comprises filter out the frequency that transships in described adjacent cell and/or described subscriber equipment just away from the frequency that comprises of adjacent cell and/or the frequency do not supported of described subscriber equipment; Notify described subscriber equipment to measure the described frequency of measuring that needs; Receive the described measurement result that needs the frequency of measurement that described subscriber equipment returns; According to the described measurement result select target community that needs the frequency of measurement.
CN200810179100.XA 2008-11-27 2008-11-27 Method, device and system for selecting target cell Active CN101742599B (en)

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