CN102457894B - Cell switching method, method of measurement, equipment and system - Google Patents
Cell switching method, method of measurement, equipment and system Download PDFInfo
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- CN102457894B CN102457894B CN201010527471.XA CN201010527471A CN102457894B CN 102457894 B CN102457894 B CN 102457894B CN 201010527471 A CN201010527471 A CN 201010527471A CN 102457894 B CN102457894 B CN 102457894B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
- H04W36/0094—Definition of hand-off measurement parameters
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Abstract
Cell switching method, method of measurement, equipment and system, wherein cell switching method comprises: issue the first Survey control message to subscriber equipment, in above-mentioned first Survey control message, carry first report filter factor corresponding to thresholding and each adjacent area, the filter factor that wherein at least two adjacent areas are corresponding different; What receive above-mentioned user equipment to report meets the signal quality value that above-mentioned first reports each adjacent area of thresholding, and the signal quality value of above-mentioned each adjacent area is obtain after the signal quality value of filter factor to the above-mentioned each adjacent area measured that above-mentioned subscriber equipment is corresponding according to above-mentioned each adjacent area carries out filtering process; Above-mentioned first the signal quality value of each adjacent area of thresholding is reported to carry out cell switch determining according to meeting of above-mentioned user equipment to report.The embodiment of the present invention improves the accuracy of base station to cell switch determining.
Description
Technical field
The embodiment of the present invention relates to the communication technology, particularly relates to a kind of cell switching method, method of measurement, equipment and system.
Background technology
At third generation partner program (The 3rd-Generation Partnership Project; Hereinafter referred to as: 3GPP) Long Term Evolution (Long Term Evolution; Hereinafter referred to as: LTE) in system, subscriber equipment (User Equipment; Hereinafter referred to as: when UE) carrying out cell merge, generally include and switch preparation and switch two stages of execution.In handoff preparation phase, the physical layer of UE periodically detects the signal quality of Serving cell and adjacent area, and after physical layer filtering process, physical layer is periodically to radio resource control (Radio Resource Control; Hereinafter referred to as: RRC) layer reports filtered signal quality, rrc layer carries out filtering process according to the related definition in 3GPP TS 36.331 standard to signal quality, and the signal quality of the adjacent area meeting report condition is reported to evolved base station (Evolved Node B by UE; Hereinafter referred to as: eNB), eNB judges cell merge according to the signal quality after filtering process.
In the prior art, in UE access, gravity treatment or after being switched to new community, network side is by base station sending measuring control message, and in Survey control message, carry a filter factor, this filter factor is for all adjacent areas.
But, in the scene that the signal intensity rule of adjacent area is inconsistent, as size base station coexists, it is different with the signal intensity feature of the handoff boundary of adjacent area that UE enters tunnel or Serving cell, and the method for prior art causes the assessment of UE to the signal quality of adjacent area inaccurate, thus cause the switching judging of base station to community inaccurate.
Summary of the invention
One aspect of the present invention provides a kind of cell switching method, comprise: issue the first Survey control message to subscriber equipment, in this first Survey control message, carry first report filter factor corresponding to thresholding and each adjacent area, the filter factor that wherein at least two adjacent areas are corresponding different; What receive above-mentioned user equipment to report meets the signal quality value that above-mentioned first reports each adjacent area of thresholding, and the signal quality value of above-mentioned each adjacent area is obtain after the signal quality value of filter factor to the above-mentioned each adjacent area measured that above-mentioned subscriber equipment is corresponding according to above-mentioned each adjacent area carries out filtering process; Above-mentioned first the signal quality value of each adjacent area of thresholding is reported to carry out cell switch determining according to meeting of above-mentioned user equipment to report.
The present invention on the other hand provides a kind of cell measuring method, comprising: the Survey control message issued according to base station obtains the signal quality value of each adjacent area, carries first and report thresholding in above-mentioned Survey control message; Filter factor corresponding to above-mentioned each adjacent area is obtained according to multiple signal quality values of above-mentioned each adjacent area; The filter factor signal quality value to above-mentioned each adjacent area corresponding according to above-mentioned each adjacent area carries out filtering process respectively; By meet above-mentioned first report the filtering process of each adjacent area of thresholding after signal quality value report above-mentioned base station.
Further aspect of the present invention provides a kind of base station, comprise: first issues unit, for issuing the first Survey control message to subscriber equipment, in above-mentioned first Survey control message, carry first report filter factor corresponding to thresholding and each adjacent area, the filter factor that wherein at least two adjacent areas are corresponding different; First receiving element, meet for what receive above-mentioned user equipment to report the signal quality value that above-mentioned first reports each adjacent area of thresholding, the signal quality value of above-mentioned each adjacent area is obtain after the signal quality value of filter factor to the above-mentioned each adjacent area measured that above-mentioned subscriber equipment is corresponding according to above-mentioned each adjacent area carries out filtering process; And switch unit, for above-mentioned first reporting the signal quality value of each adjacent area of thresholding to carry out cell switch determining according to meeting of above-mentioned user equipment to report.
Further aspect of the present invention also provides a kind of subscriber equipment, comprising: the first acquiring unit, and the Survey control message for issuing according to base station obtains the signal quality value of each adjacent area, carries first and report thresholding in above-mentioned Survey control message; Second acquisition unit, for obtaining filter factor corresponding to above-mentioned each adjacent area according to multiple signal quality values of above-mentioned each adjacent area; Filter unit, carries out filtering process for the filter factor corresponding according to above-mentioned each adjacent area respectively to the signal quality value of each adjacent area; With report unit, for reporting the filtered signal quality value of each adjacent area of thresholding to report above-mentioned base station by meeting above-mentioned first.
Another aspect of the invention provides a kind of wireless communication system, comprises above-mentioned base station.
Another aspect of the invention also provides a kind of wireless communication system, comprises above-mentioned subscriber equipment.
The cell switching method of the embodiment of the present invention, method of measurement, equipment and system, different filter factors corresponding to different adjacent area are issued to subscriber equipment by base station, after subscriber equipment carries out filtering process according to the signal quality value of different filter factors to each adjacent area measured, the signal quality value of the adjacent area of thresholding is reported to be reported to base station by meeting first, cell switch determining is carried out according to this signal quality value in base station, the present embodiment uses different filter factors for different adjacent areas, solve in prior art the inaccurate defect of switching judging that all adjacent areas adopt identical filter factor to carry out filtering process to bring, improve the accuracy of base station to cell switch determining.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of cell switching method embodiment one of the present invention;
Fig. 2 is the signaling diagram of cell switching method embodiment two of the present invention;
Fig. 3 is the signaling diagram of cell switching method embodiment three of the present invention;
Fig. 4 is the flow chart of cell measuring method embodiment one of the present invention;
Fig. 5 is the signaling diagram of cell measuring method embodiment two of the present invention;
Fig. 6 is the structural representation of base station embodiment one of the present invention;
Fig. 7 is the structural representation of base station embodiment two of the present invention;
Fig. 8 is the structural representation of subscriber equipment embodiment one of the present invention;
Fig. 9 is the structural representation of subscriber equipment embodiment two of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the flow chart of cell switching method embodiment one of the present invention, as shown in Figure 1, present embodiments provides a kind of cell switching method, can specifically comprise following content.
101, base station issues the first Survey control message (such as Measurement Control message) to subscriber equipment, in this first Survey control message, carry first report filter factor corresponding to thresholding and each adjacent area, the filter factor that wherein at least two adjacent areas are corresponding different.
In the present embodiment, carry first in the first Survey control message that base station issues to subscriber equipment and report thresholding and filter factor.Wherein, first reports thresholding can report thresholding for switching judging event, and filter factor is filter factor corresponding to different adjacent area, and can be different filter factors corresponding at least two different adjacent areas, now this filter factor can be chosen based on experience value.The first Survey control message and first herein reports thresholding to be to report thresholding to distinguish with the second Survey control message and second in subsequent embodiment, does not have other special implications, follow-uply repeats no more.
102, what above-mentioned base station received above-mentioned user equipment to report meets the signal quality value that above-mentioned first reports each adjacent area of thresholding, and the signal quality value of above-mentioned each adjacent area is obtain after the signal quality value of filter factor to each adjacent area measured that above-mentioned subscriber equipment is corresponding according to each adjacent area carries out filtering process.
After subscriber equipment receives the first Survey control message, first measure the signal of each adjacent area, the filter factor corresponding according to each adjacent area carries out filtering process to the signal of each adjacent area, get the filtered signal quality value that each adjacent area is corresponding, judge this filtered signal quality value whether meet carry in the first Survey control message first report thresholding, if met, then report to base station and meet this signal quality value.Wherein, above-mentioned signal quality value can comprise Reference Signal Received Power (Reference Signal ReceivedPower; Hereinafter referred to as: RSRP) value and Reference Signal Received Quality (reference signal receivedquality; Hereinafter referred to as: RSRQ) value.
103, base station above-mentioned first reports the signal quality value of each adjacent area of thresholding to carry out cell switch determining according to meeting of above-mentioned user equipment to report.
Base station receive user equipment to report meet first report the signal quality value of each adjacent area of thresholding after, carry out cell switch determining according to this signal quality value.
Because base station in the present embodiment is issue different filter factors for different adjacent area to the filter factor that subscriber equipment issues, or issue the different filter factor of corresponding two kinds at least two different adjacent areas to subscriber equipment, but not the corresponding same filter factor in all adjacent areas of the prior art, therefore, the signal quality value of the adjacent area that base station gets is carry out filtering process according to the filter factor of its correspondence to obtain, when cell switch determining is carried out according to this signal quality value in base station, neighboring area signal for different Changing Pattern carries out filtering in various degree, thus make switch decision more accurate.
Present embodiments provide a kind of cell switching method, different filter factors corresponding at least two different adjacent areas are issued to subscriber equipment by base station, after subscriber equipment carries out filtering process according to different filter factors to the signal quality value of the adjacent area measured, the signal quality value of the adjacent area of thresholding is reported to be reported to base station by meeting first, carry out cell switch determining, to solve in prior art the inaccurate defect of switching judging that all adjacent areas adopt identical filter factor to carry out filtering process to bring, improve the accuracy of base station to cell switch determining.
Fig. 2 is the signaling diagram of cell switching method embodiment two of the present invention, and as shown in Figure 2, present embodiments provide a kind of concrete cell switching method, wherein base station is for evolution base station eNB, can specifically comprise following content.
201, eNB issues the second Survey control message to UE, carries second and report thresholding in the second Survey control message.
When UE is in access, gravity treatment or after being switched to new community, the eNB being positioned at network side issues survey second amount control message to UE, in this second Survey control message, carry second report thresholding, herein second report thresholding be measurement event report thresholding, it reports thresholding lower than first, reports thresholding namely lower than switching judging event.The filter factor carried in this second Survey control message is all identical for all adjacent areas.Alternatively, reporting schemes can be set to the event turn-week phase in second Survey control message, and setting reports number of times and report cycle accordingly, this precision reporting number of times and report cycle to ask according to actual needs is configured, concrete configuration value can with reference to related definition in 3GPP TS 36.331, wherein reports number of times can for repeatedly.
202, UE measures according to the signal of the second Survey control message to each adjacent area.
UE, after receiving the second Survey control message, measures according to the signal of this second Survey control message to each adjacent area, obtains the signal quality value of each adjacent area.UE can also carry out filtering process according to the unified filter factor carried in the second Survey control message to the signal measuring the adjacent area obtained, and then gets filtered signal quality value corresponding to each adjacent area.
203, UE reports filtered signal quality value corresponding to each adjacent area of thresholding to report to eNB by multiple satisfied second.
UE is after getting filtered signal quality value corresponding to each adjacent area, judge whether it meets second and report thresholding, and what namely whether be greater than measurement event reports thresholding, if, then UE reports the signal quality value of each adjacent area of thresholding to report to eNB by meeting second, such as, periodically report.In the present embodiment, the pattern that reports of UE is the event turn-week phase, namely the signal quality value of a certain adjacent area meet measurement event report thresholding after, just start the signal quality value periodically reporting this adjacent area.
204, eNB obtains filter factor corresponding to each adjacent area respectively according to multiple signal quality values of each adjacent area received.
If UE is for periodically reporting, the signal quality value of each adjacent area that eNB receives is multiple, and eNB can obtain filter factor corresponding to each adjacent area respectively according to multiple signal quality values of each adjacent area received.In the present embodiment, the concrete obtain manner of filter factor can be: select best filter factor according to real needs in conjunction with the extent of deviation of the signal value before filtered signal standards difference and filtered signal value and filtering.
Particularly, first this step 204 can specifically comprise the steps:, eNB utilizes different filter factor to meet above-mentioned second to user equipment to report multiple to report the signal quality value of each adjacent area of thresholding to carry out filtering process, and gets filtered signal quality value sequence corresponding to above-mentioned each adjacent area under above-mentioned different filter factor.For filter factor, specifically define its span in 3GPP TS 36.331 standard, therefrom choose multiple different filter factor in this step to difference analog filtering, the filter factor in the present embodiment is specially filter factor K.20 of an adjacent area signal quality values can be reported to be described for UE herein, eNB first utilizes different filter factor, Filtering Formula according to presetting carries out filtering process to 20 of each adjacent area signal quality values, get the filtered signal quality value sequence that each adjacent area under different filter factor is corresponding, such as Filtering Formula herein can for the Filtering Formula defined in 3GPP TS 36.331 standard.Secondly, eNB calculates the standard deviation of filtered signal quality value sequence corresponding to above-mentioned each adjacent area respectively, generates the first standard deviation of the signal quality value of each adjacent area.Again, eNB calculates the standard deviation of the difference sequence of the signal quality value before filtered signal quality value corresponding to above-mentioned each adjacent area and filtering respectively, generates the second standard deviation of the signal quality value of each adjacent area.Then eNB calculates above-mentioned first standard deviation of each adjacent area under different filter factors and the second standard deviation is long-pending respectively.Finally, eNB is using filter factor corresponding as above-mentioned each adjacent area for filter factor corresponding with the long-pending maximum of above-mentioned second standard deviation for first standard deviation of above-mentioned each adjacent area under different filter factor.
205, eNB issues the first Survey control message to UE, carries first and report filter factor corresponding to thresholding and each adjacent area, the filter factor that wherein at least two adjacent areas are corresponding different in the first Survey control message.
When after the acquisition that eNB completes filter factor corresponding to each adjacent area, the first Survey control message is issued to UE, first Survey control message is new Survey control message for the second Survey control message in above-mentioned steps herein, carries the first different filter factors reporting the different adjacent areas of thresholding and acquisition corresponding in this first Survey control message.In this step, the corresponding relation between different adjacent area and filter factor specifically can be comprised in the first Survey control message, the i.e. corresponding relation of adjacent area ID and filter factor, wherein, adjacent area ID can be the physical label (Phy ID) of adjacent area, can also be Cell Global Identity code (the Cell Global Identifier of adjacent area; Hereinafter referred to as: CGI), filter factor can be specially filter factor K.
206, UE upgrades filter factor according to the first Survey control message.
UE is after receiving the first Survey control message, and the filter factor corresponding according to each adjacent area of wherein carrying upgrades the corresponding filter factor that this locality is preserved.This step is optional.
The filter factor that 207, UE is corresponding according to above-mentioned each adjacent area carries out filtering process to the signal quality value of the adjacent area measured respectively, and obtains the signal quality value of filtered each adjacent area.
UE uses filter factor corresponding to above-mentioned each adjacent area to carry out filtering process to the signal quality value of the adjacent area measured respectively, and obtains filtered signal quality value corresponding to each adjacent area.
The satisfied first filtered signal quality value reporting the adjacent area of thresholding corresponding is reported to eNB by 208, UE.
UE is after the signal quality value getting each adjacent area, and judge whether it meets first and report thresholding, and what namely whether be greater than switching judging event reports thresholding, if so, then UE reports the signal quality value of the adjacent area of thresholding to report to eNB by meeting first.
The signal quality value that 209, eNB reports according to UE carries out cell switch determining.
ENB carries out cell switch determining according to this signal quality value after receiving the signal quality value of each adjacent area that UE reports.Because eNB in the present embodiment obtains different filter factors corresponding to different adjacent area according to the neighboring cell signal quality value of UE real-time report, but not the equal corresponding same filter factor in all adjacent areas of the prior art, therefore, the signal quality value of the adjacent area that eNB gets is that the filter factor corresponding according to each adjacent area carries out filtering process and obtain, when eNB carries out cell switch determining according to this signal quality value, then can with the Changing Pattern of the signal of adjacent area for fundamental basis, thus make switch decision more accurate.
In the present embodiment, eNB can be the filter factor for each UE configuration UE level, also can be the filter factor for all UE allocating cells level.Such as, the filter factor of configuration UE level when UE number is less, for example, the filter factor that the signal quality value of the different adjacent areas that eNB reports according to UE1 and UE2 gets different adjacent area corresponding is respectively handed down to UE1 and UE2 respectively, if when UE is more, the signal quality value that first eNB can report according to different UEs obtains filter factor corresponding to adjacent area respectively, again will according to multiple UE, such as at least 20 UE, multiple filter factors of the same adjacent area that the signal quality value reported obtains carry out processing the filter factor obtaining cell-level, such as, 20 UE are had to report the signal quality value of adjacent area 1 respectively, eNB has got 20 filter factors of adjacent area 1 respectively according to the signal quality value that these 20 UE report, these 20 filter factors are averaged by eNB, using the filter factor of the filter factor after average as adjacent area 1, be handed down to all UE.
Present embodiments provide a kind of cell merge processing method, different filter factors corresponding to different adjacent area are issued to subscriber equipment by base station, after subscriber equipment carries out filtering process according to different filter factors to the signal quality value of the adjacent area measured, filtered signal quality value corresponding to each adjacent area of thresholding is reported to be reported to base station by meeting first, cell switch determining is carried out according to this signal quality value in base station, the present embodiment uses different filter factors for different adjacent areas, solve in prior art the inaccurate defect of switching judging that all adjacent areas adopt identical filter factor to carry out filtering process to bring, improve the accuracy of base station to cell switch determining.
Fig. 3 is the signaling diagram of cell switching method embodiment three of the present invention, as shown in Figure 3, present embodiments provides a kind of concrete cell switching method, can specifically comprise following content.
301, eNB, to UE sending measuring control message, carries first and reports filter factor corresponding to thresholding and each adjacent area in Survey control message, wherein, and the filter factors that at least two adjacent areas are corresponding different respectively.
In the present embodiment, when UE is in access, gravity treatment or after being switched to new community, the eNB of network side is to UE sending measuring control message, in Survey control message, carry first report thresholding and filter factor, herein first report thresholding be switching judging event report thresholding, at least two different adjacent areas use different filter factors.The present embodiment and the difference of above-described embodiment two are not the filter factor that matching is again different, and select empirical value, and namely this filter factor can be select according to different districts sideband signal variation characteristic and experience.Specifically can comprise the corresponding relation between at least two different adjacent areas and filter factor in the Survey control message of this step, i.e. adjacent area ID and filter factor corresponding relation, wherein, adjacent area ID can be the physical label Phy ID of adjacent area, can also be the CGI of adjacent area.
The filter factor that 302, UE is corresponding according to each adjacent area carries out filtering process to the signal quality value of each adjacent area measured respectively.
UE uses filter factor corresponding to each adjacent area to carry out filtering process to the signal quality value of the adjacent area measured respectively, and obtains filtered signal quality value corresponding to each adjacent area.
The satisfied first filtered signal quality value reporting the adjacent area of thresholding corresponding is reported to eNB by 303, UE.
UE is after getting filtered signal quality value corresponding to each adjacent area, judge whether it meets first and report thresholding, what namely whether be greater than switching judging event reports thresholding, and if so, then UE reports the signal quality value of the adjacent area of thresholding to report to eNB by meeting first.
The signal quality value that 304, eNB reports according to UE carries out cell switch determining.
ENB carries out cell switch determining according to this signal quality value after receiving the signal quality value of each adjacent area that UE reports.Because eNB in the present embodiment is the different filter factors obtained at least two different adjacent areas to the filter factor that UE issues, but not the corresponding same filter factor in all adjacent areas of the prior art, therefore, the signal quality value of the adjacent area that eNB gets is carry out filtering process according to the filter factor of its correspondence to obtain, when eNB carries out cell switch determining according to this signal quality value, then can with the Changing Pattern of the signal of adjacent area for foundation, thus make switch decision more accurate.
Present embodiments provide a kind of cell switching method, different filter factors corresponding at least two different adjacent areas are issued to subscriber equipment by base station, after subscriber equipment carries out filtering process according to different filter factor to the signal of the adjacent area measured, report the signal quality value of the adjacent area of thresholding to be reported to base station by meeting first, cell switch determining is carried out according to this signal quality value in base station; The present embodiment uses different filter factors for different adjacent areas, to solve in prior art the inaccurate defect of switching judging that all adjacent areas adopt identical filter factor to carry out filtering process to bring, improve the accuracy of base station to cell switch determining.
Fig. 4 is the flow chart of cell measuring method embodiment one of the present invention, as shown in Figure 4, present embodiments provides a kind of cell measuring method, can specifically comprise following content.
401, subscriber equipment obtains the signal quality value of each adjacent area according to the Survey control message that base station issues, and carries first and report thresholding in above-mentioned Survey control message.
In the present embodiment, when subscriber equipment access, gravity treatment or after being switched to new community, the base station of network side, to subscriber equipment sending measuring control message, can be carried first and report thresholding in this Survey control message, namely switching judging event report thresholding.Subscriber equipment is measured according to the signal of this Survey control message to each adjacent area, and obtains the signal quality value of each adjacent area.
402, subscriber equipment obtains different filter factors corresponding to above-mentioned each adjacent area according to multiple signal quality values of above-mentioned each adjacent area.
Subscriber equipment gets the signal quality value of each adjacent area, and multiple signal quality values that can obtain for same adjacent area obtain different filter factors corresponding to this adjacent area.The method that concrete acquisition methods refer step 204 is above-mentioned.
403, the filter factor that subscriber equipment is corresponding according to above-mentioned each adjacent area carries out filtering process to the signal quality value of adjacent area.
Subscriber equipment, after the filter factor obtaining each community obtained, carries out filtering process according to different filter factors to the signal of the adjacent area measured, and obtains filtered signal quality value corresponding to each adjacent area further.
404, subscriber equipment reports filtered signal quality value corresponding to each adjacent area of thresholding to report above-mentioned base station by meeting first.
Subscriber equipment reports filtered signal quality value corresponding to each adjacent area of thresholding to be reported to base station by meeting first, carries out cell switch determining by base station according to this filtered signal quality value.
The difference of the present embodiment and above-described embodiment is, the acquisition process of the filter factor that each adjacent area is corresponding performs in subscriber equipment side, in the present embodiment, UE obtains filter factor according to the signal quality measured in real time, different filter factors is adopted for different adjacent area, but not the equal corresponding same filter factor in all adjacent areas of the prior art, therefore, the signal quality value of the adjacent area that base station gets is carry out filtering process according to the filter factor of its correspondence to obtain, when base station carries out decision process according to this signal quality value to cell merge, signal quality value for the adjacent area of different Changing Pattern carries out filtering in various degree, thus make switch decision more accurate.
Present embodiments provide a kind of cell measuring method, obtained the signal quality value of each adjacent area according to Survey control message by subscriber equipment, and obtain filter factor corresponding to different adjacent area according to multiple signal quality value, after filtering process being carried out to the signal of the adjacent area measured according to different filter factors again, the signal quality value of the adjacent area of thresholding is reported to be reported to base station by meeting first, base station can carry out decision process according to signal quality value more accurately to cell merge, the present embodiment uses different filter factors for different adjacent areas, solve in prior art the inaccurate defect of switching judging that all adjacent areas adopt identical filter factor to carry out filtering process to bring, improve the accuracy of base station to cell switch determining.
Fig. 5 is the signaling diagram of cell measuring method embodiment two of the present invention, as shown in Figure 5, present embodiments provides a kind of concrete cell measuring method, can specifically comprise following content.
501, UE receives the Survey control message that eNB issues, and carries first and report thresholding in Survey control message.
When UE is in access, gravity treatment or after being switched to new community, the eNB being positioned at network side, to UE sending measuring control message, carries first and reports thresholding in this Survey control message, herein first report thresholding be switching judging event report thresholding.
502, UE measures according to the signal of Survey control message to each adjacent area.
UE, after receiving Survey control message, measures according to the signal of this Survey control message to each adjacent area, and in the present embodiment, UE can obtain corresponding multiple signal quality values for an adjacent area.
503, UE obtains filter factor corresponding to each adjacent area respectively according to multiple signal quality values of each adjacent area received.
UE obtains filter factor corresponding to each adjacent area respectively according to multiple signal quality values of the adjacent area got.In the present embodiment, the concrete obtain manner of filter factor can be: select best filter factor according to real needs in conjunction with the extent of deviation of the signal value before filtered signal standards difference and filtered signal value and filtering.
Particularly, first 503 can specifically comprise the steps:, UE utilizes different filter factor above-mentioned second to report the signal quality value of each adjacent area of thresholding to carry out filtering process to meeting of user equipment to report, and gets filtered signal quality value sequence corresponding to above-mentioned each adjacent area under above-mentioned different filter factor.For filter factor, specifically define its span in 3GPP TS 36.331 standard, therefrom choose multiple different filter factor in this step to difference analog filtering, the filter factor in the present embodiment is specially filter factor K.20 of an adjacent area signal quality values can be reported to be described for UE herein, UE first utilizes different filter factor, 20 signal quality values of Filtering Formula to each adjacent area got according to presetting carry out filtering process, obtain the filtered signal quality value sequence that each adjacent area under different filter factor is corresponding, Filtering Formula herein also can for the Filtering Formula defined in 3GPP TS 36.331 standard.Secondly, UE calculates the standard deviation of filtered signal quality value sequence corresponding to above-mentioned each adjacent area respectively, generates the first standard deviation of the signal quality value of each adjacent area.Again, eNB calculates the standard deviation of the difference sequence of the signal quality value before filtered signal quality value corresponding to above-mentioned each adjacent area and filtering respectively, generates the second standard deviation of the signal quality value of each adjacent area.Then UE calculates above-mentioned first standard deviation of each adjacent area under different filter factor and the second standard deviation is long-pending respectively.Finally, UE is using filter factor corresponding as above-mentioned each adjacent area for filter factor corresponding with the long-pending maximum of above-mentioned second standard deviation for first standard deviation of above-mentioned each adjacent area under different filter factor.
The filter factor that 504, UE is corresponding according to each adjacent area carries out filtering process to the signal quality value of the adjacent area measured respectively, and obtains filtered signal quality value corresponding to each adjacent area.
UE uses filter factor corresponding to each adjacent area to carry out filtering process to the signal quality value of the adjacent area measured respectively, and obtains filtered signal quality value corresponding to each adjacent area.
The satisfied first filtered signal quality value reporting the adjacent area of thresholding corresponding is reported to eNB by 505, UE.
UE is after the signal quality value getting each adjacent area, and judge whether it meets first and report thresholding, and what namely whether be greater than switching judging event reports thresholding, if so, then UE reports the signal quality value of the adjacent area of thresholding to report to eNB by meeting first.ENB carries out decision process according to this signal quality value to cell merge after receiving the signal quality value of each adjacent area that UE reports.The filter factor carrying out filtering process to the signal quality value of adjacent area due to UE in the present embodiment is the different filter factor obtained for different adjacent area, but not the equal corresponding same filter factor in all adjacent areas of the prior art, therefore, the signal quality value of the adjacent area that eNB gets is carry out filtering process according to the filter factor of its correspondence to obtain, when eNB carries out decision process according to this signal quality value to cell merge, then can with the Changing Pattern of the signal of adjacent area for foundation, thus make switch decision more accurate.
Present embodiments provide a kind of cell measuring method, obtained the signal quality value of each adjacent area according to Survey control message by subscriber equipment, and obtain filter factor corresponding to different adjacent area according to multiple signal quality value, after filtering process being carried out to the signal of the adjacent area measured according to different filter factors again, the signal quality value of the adjacent area of thresholding is reported to be reported to base station by meeting first, make base station can carry out decision process according to signal quality value more accurately to cell merge, the present embodiment uses different filter factors for different adjacent areas, solve in prior art the inaccurate defect of switching judging that all adjacent areas adopt identical filter factor to carry out filtering process to bring, improve the accuracy of base station to cell switch determining.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Fig. 6 is the structural representation of base station embodiment one of the present invention, as shown in Figure 6, present embodiments provides a kind of base station, specifically can perform the step in said method embodiment one, repeat no more herein.The base station that the present embodiment provides can comprise first and issue unit 601, first receiving element 602 and switch unit 603.Wherein, first issues unit 601 for issuing the first Survey control message to subscriber equipment, carries first and report filter factor corresponding to thresholding and each adjacent area, the filter factor that wherein at least two adjacent areas are corresponding different in above-mentioned first Survey control message.First receiving element 602 meets for what receive above-mentioned user equipment to report the signal quality value that above-mentioned first reports each adjacent area of thresholding, and the signal quality value of above-mentioned adjacent area is obtain after the signal quality value of filter factor to the above-mentioned each adjacent area measured that above-mentioned subscriber equipment is corresponding according to above-mentioned adjacent area carries out filtering process.Switch unit 603 is for above-mentioned first reporting the signal quality value of each adjacent area of thresholding to carry out cell switch determining according to meeting of above-mentioned user equipment to report.
Fig. 7 is the structural representation of base station embodiment two of the present invention, as shown in Figure 7, present embodiments provides a kind of base station, specifically can perform the step in said method embodiment two and embodiment three, repeat no more herein.The base station that the present embodiment provides, on the basis shown in above-mentioned Fig. 6, can also comprise second and issue unit 604, second receiving element 605 and the first acquiring unit 606.Wherein, second issue unit 604 for above-mentioned to before subscriber equipment sending measuring control message, issue the second Survey control message to subscriber equipment, carry second and report thresholding in above-mentioned second Survey control message, above-mentioned second reports thresholding to report thresholding lower than above-mentioned first.Second receiving element 605 meets for receiving the multiple of above-mentioned user equipment to report the signal quality value that above-mentioned second reports each adjacent area of thresholding.First acquiring unit 606 reports the signal quality value of each adjacent area of thresholding to obtain filter factor corresponding to each adjacent area respectively for meeting above-mentioned second according to user equipment to report multiple.
Further, the first acquiring unit 606 in the base station that provides of the present embodiment specifically can comprise filtering subelement 616, first computation subunit 626, second computation subunit 636, the 3rd computation subunit 646 and chooser unit 656.Wherein, filtering subelement 616 reports the signal quality value of each adjacent area of thresholding to carry out filtering process for utilizing different filter factor to meet above-mentioned second to above-mentioned user equipment to report multiple, obtains the filtered signal quality value sequence that above-mentioned each adjacent area under above-mentioned different filter factor is corresponding.First computation subunit 626, for calculating the standard deviation of filtered signal quality value sequence corresponding to above-mentioned each adjacent area respectively, generates the first standard deviation of the signal quality value of above-mentioned each adjacent area.Second computation subunit 636, for calculating the standard deviation of the difference sequence of the signal quality value before filtered signal quality value corresponding to above-mentioned each adjacent area and filtering respectively, generates the second standard deviation of the signal quality value of above-mentioned each adjacent area.3rd computation subunit 646 is for calculating above-mentioned first standard deviation of above-mentioned each adjacent area under different filter factor respectively and above-mentioned second standard deviation is long-pending.Chooser unit 656 is for filter factor that the long-pending maximum of the first standard deviation using above-mentioned each adjacent area under above-mentioned different filter factor and above-mentioned second standard deviation the is corresponding filter factor corresponding as above-mentioned each adjacent area.
Further, the base station that the present embodiment provides can also comprise second acquisition unit, and second acquisition unit is used for multiple filter factors corresponding for the same adjacent area of multiple user equipment to report to be averaged, and obtains the filter factor that above-mentioned same adjacent area is corresponding.
Present embodiments provide a kind of base station, filter factor corresponding to different adjacent area is issued to subscriber equipment by base station, after subscriber equipment carries out filtering process according to different filter factors to the signal of the adjacent area measured, the signal quality value of the adjacent area of thresholding is reported to be reported to base station by meeting first, cell switch determining is carried out according to this signal quality value in base station, the present embodiment uses different filter factors for different adjacent areas, solve in prior art the inaccurate defect of switching judging that all adjacent areas adopt identical filter factor to carry out filtering process to bring, improve the accuracy of base station to cell switch determining.
Fig. 8 is the structural representation of subscriber equipment embodiment one of the present invention, as shown in Figure 8, present embodiments provides a kind of subscriber equipment, specifically can perform the step in said method embodiment four, repeat no more herein.The subscriber equipment that the present embodiment provides can comprise the first acquiring unit 801, second acquisition unit 802, filter unit 803 and report unit 804.Wherein, the first acquiring unit 801 obtains the signal quality value of each adjacent area for the Survey control message issued according to base station, carries first and report thresholding in above-mentioned Survey control message.Second acquisition unit 802 is for obtaining different filter factors corresponding to each adjacent area according to multiple signal quality values of above-mentioned each adjacent area.Filter unit 803 carries out filtering process for the filter factor corresponding according to above-mentioned each adjacent area respectively to the signal quality value of each adjacent area.Report unit 804 for reporting the filtered signal quality value of each adjacent area of thresholding to report above-mentioned base station by meeting above-mentioned first.
Fig. 9 is the structural representation of subscriber equipment embodiment two of the present invention, as shown in Figure 9, present embodiments provides a kind of subscriber equipment, specifically can perform the step in said method embodiment five, repeat no more herein.The subscriber equipment that the present embodiment provides is on the basis shown in above-mentioned Fig. 8, and second acquisition unit 802 specifically can comprise filtering subelement 812, first computation subunit 822, second computation subunit 832, the 3rd computation subunit 842 and chooser unit 852.Wherein, filtering subelement 812 carries out filtering process for utilizing multiple signal quality values of different filter factor to each adjacent area got, and obtains the filtered signal quality value sequence that above-mentioned each adjacent area under above-mentioned different filter factor is corresponding.First computation subunit 822, for calculating the standard deviation of filtered signal quality value sequence corresponding to above-mentioned each adjacent area respectively, generates the first standard deviation of above-mentioned each adjacent area.Second computation subunit 832, for calculating the standard deviation of the difference sequence of the signal quality value before filtered signal quality value corresponding to above-mentioned each adjacent area and filtering respectively, generates the second standard deviation of above-mentioned each adjacent area.3rd computation subunit 842 is for calculating above-mentioned first standard deviation of above-mentioned each adjacent area under above-mentioned different filter factor respectively and above-mentioned second standard deviation is long-pending.Chooser unit 852 is for filter factor that the long-pending maximum of above-mentioned first standard deviation using above-mentioned each adjacent area under above-mentioned different filter factor and above-mentioned second standard deviation the is corresponding filter factor corresponding as above-mentioned each adjacent area.
Present embodiments provide a kind of subscriber equipment, obtained the signal quality value of each adjacent area according to Survey control message by subscriber equipment, and obtain filter factor corresponding to different adjacent area according to multiple signal quality value, after filtering process being carried out to the signal of the adjacent area measured according to different filter factors again, the signal quality value of the adjacent area of thresholding is reported to be reported to base station by meeting first, base station can carry out decision process according to signal quality value more accurately to cell merge, the present embodiment uses different filter factors for different adjacent areas, solve in prior art the inaccurate defect of switching judging that all adjacent areas adopt identical filter factor to carry out filtering process to bring, improve the accuracy of base station to cell switch determining.
The present embodiment additionally provides a kind of wireless communication system, can comprise the base station shown in above-mentioned Fig. 6 or Fig. 7.Corresponding subscriber equipment can also be comprised alternatively.
The present embodiment additionally provides another kind of wireless communication system, can comprise the subscriber equipment shown in above-mentioned Fig. 8 or Fig. 9.Corresponding base station can also be comprised alternatively.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a cell switching method, is characterized in that, comprising:
Issue the second Survey control message to subscriber equipment, in described second Survey control message, carry second report thresholding;
Receive the multiple of described user equipment to report and meet the signal quality value that described second reports each adjacent area of thresholding;
The described second filter factor reporting the described each adjacent area of the signal quality value of each adjacent area of thresholding acquisition corresponding is met according to the multiple of described user equipment to report;
The first Survey control message is issued to subscriber equipment, in described first Survey control message, carry first report filter factor corresponding to thresholding and each adjacent area, the filter factor that wherein at least two adjacent areas are corresponding different, wherein, described second reports thresholding to report thresholding lower than described first;
What receive described user equipment to report meets the signal quality value that described first reports each adjacent area of thresholding, and the signal quality value of described each adjacent area is obtain after the signal quality value of filter factor to the described each adjacent area measured that described subscriber equipment is corresponding according to described each adjacent area carries out filtering process;
Described first the signal quality value of each adjacent area of thresholding is reported to carry out cell switch determining according to meeting of described user equipment to report.
2. method according to claim 1, is characterized in that, describedly meets the described second filter factor reporting the signal quality value of each adjacent area of thresholding to obtain described each adjacent area corresponding according to described user equipment to report multiple and comprises:
Utilizing different filter factor to meet described second to described user equipment to report multiple reports the signal quality value of each adjacent area of thresholding to carry out filtering process, obtains the filtered signal quality value sequence that described each adjacent area under described different filter factor is corresponding;
Calculate the standard deviation of filtered signal quality value sequence corresponding to described each adjacent area respectively, generate the first standard deviation of the signal quality value of described each adjacent area;
Calculate the standard deviation of the difference sequence of the signal quality value before filtered signal quality value corresponding to described each adjacent area and filtering respectively, generate the second standard deviation of the signal quality value of described each adjacent area;
Calculate described first standard deviation of described each adjacent area under described different filter factor respectively and described second standard deviation is long-pending;
The filter factor that the filter factor that described first standard deviation using described each adjacent area under described different filter factor is corresponding with the long-pending maximum of described second standard deviation is corresponding as described each adjacent area.
3. method according to claim 1 and 2, is characterized in that, described method also comprises:
Filter factor corresponding for the same adjacent area of multiple user equipment to report is averaged, obtains the filter factor that described same adjacent area is corresponding.
4. a cell measuring method, is characterized in that, comprising:
The Survey control message issued according to base station obtains the signal quality value of each adjacent area, carries first and report thresholding in described Survey control message;
Utilize the multiple signal quality values of different filter factor to each adjacent area got to carry out filtering process, obtain the filtered signal quality value sequence that described each adjacent area under described different filter factor is corresponding;
Calculate the standard deviation of filtered signal quality value sequence corresponding to described each adjacent area respectively, generate the first standard deviation of the signal quality of described each adjacent area;
Calculate the standard deviation of the difference sequence of filtered signal quality value corresponding to described each adjacent area and described signal quality value respectively, generate the second standard deviation of the signal quality of described each adjacent area;
Calculate described first standard deviation of described each adjacent area under described different filter factor respectively and described second standard deviation is long-pending;
The filter factor that the filter factor that described first standard deviation using described each adjacent area under described different filter factor is corresponding with the long-pending maximum of described second standard deviation is corresponding as described each adjacent area;
The filter factor signal quality value to described each adjacent area corresponding according to described each adjacent area carries out filtering process respectively;
Filtered signal quality value corresponding to each adjacent area of thresholding is reported to report described base station by meeting described first.
5. a base station, is characterized in that, comprising:
Second issues unit, for before issue the first Survey control message to subscriber equipment, issues the second Survey control message to subscriber equipment, carries second and report thresholding in described second Survey control message;
Second receiving element, meets for receiving the multiple of described user equipment to report the signal quality value that described second reports each adjacent area of thresholding; With
First acquiring unit, reports the signal quality value of each adjacent area of thresholding to obtain filter factor corresponding to described each adjacent area respectively for meeting described second according to described user equipment to report multiple;
First issues unit, for issuing the first Survey control message to subscriber equipment, in described first Survey control message, carry first report filter factor corresponding to thresholding and each adjacent area, the filter factor that wherein at least two adjacent areas are corresponding different, wherein, described second thresholding is reported to report thresholding lower than described first;
First receiving element, meet for what receive described user equipment to report the signal quality value that described first reports each adjacent area of thresholding, the signal quality value of described each adjacent area is obtain after the signal quality value of filter factor to the described each adjacent area measured that described subscriber equipment is corresponding according to described each adjacent area carries out filtering process; With
Switch unit, for described first reporting the signal quality value of each adjacent area of thresholding to carry out cell switch determining according to meeting of described user equipment to report.
6. base station according to claim 5, is characterized in that, described first acquiring unit comprises:
Filtering subelement, meeting described second for utilizing different filter factor to described user equipment to report multiple reports the signal quality value of each adjacent area of thresholding to carry out filtering process, obtains the filtered signal quality value sequence that described each adjacent area under described different filter factor is corresponding;
First computation subunit, for calculating the standard deviation of filtered signal quality value sequence corresponding to described each adjacent area respectively, generates the first standard deviation of the signal quality value of described each adjacent area;
Second computation subunit, for calculating the standard deviation of the difference sequence of the signal quality value before filtered signal quality value corresponding to described each adjacent area and filtering respectively, generates the second standard deviation of the signal quality value of described each adjacent area;
3rd computation subunit, for calculating described first standard deviation of described each adjacent area under described different filter factor respectively and described second standard deviation is long-pending; With
Chooser unit, for the filter factor that filter factor that the long-pending maximum of described first standard deviation using described each adjacent area under described different filter factor and described second standard deviation is corresponding is corresponding as described each adjacent area.
7. the base station according to claim 5 or 6, is characterized in that, also comprises:
Second acquisition unit, for being averaged by multiple filter factors corresponding for the same adjacent area of multiple user equipment to report, obtains the filter factor that described same adjacent area is corresponding.
8. a subscriber equipment, is characterized in that, comprising:
First acquiring unit, the Survey control message for issuing according to base station obtains the signal quality value of each adjacent area, carries first and report thresholding in described Survey control message;
Second acquisition unit, for obtaining filter factor corresponding to described each adjacent area according to multiple signal quality values of described each adjacent area;
Filter unit, carries out filtering process respectively for the signal quality value of filter factor to described each adjacent area corresponding according to described each adjacent area; With
Report unit, for reporting filtered signal quality value corresponding to each adjacent area of thresholding to report described base station by meeting described first;
Wherein, described second acquisition unit comprises:
Filtering subelement, for utilizing the multiple signal quality values of different filter factor to each adjacent area got to carry out filtering process, obtains the filtered signal quality value sequence that described each adjacent area under described different filter factor is corresponding;
First computation subunit, for calculating the standard deviation of filtered signal quality value sequence corresponding to described each adjacent area respectively, generates the first standard deviation of described each adjacent area;
Second computation subunit, for calculating the standard deviation of the difference sequence of the signal quality value before filtered signal quality value corresponding to described each adjacent area and filtering respectively, generates the second standard deviation of described each adjacent area;
3rd computation subunit, for calculating described first standard deviation of described each adjacent area under described different filter factor respectively and described second standard deviation is long-pending; With
Chooser unit, for the filter factor that filter factor that the long-pending maximum of described first standard deviation using described each adjacent area under described different filter factor and described second standard deviation is corresponding is corresponding as described each adjacent area.
9. a wireless communication system, is characterized in that, comprises the base station according to any one of the claims 5-7.
10. a wireless communication system, is characterized in that, comprises the subscriber equipment described in the claims 8.
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| CN201010527471.XA CN102457894B (en) | 2010-10-27 | 2010-10-27 | Cell switching method, method of measurement, equipment and system |
| PCT/CN2011/081215 WO2012055342A1 (en) | 2010-10-27 | 2011-10-25 | Cell handover method, measurement method, device and system |
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| CN201010527471.XA CN102457894B (en) | 2010-10-27 | 2010-10-27 | Cell switching method, method of measurement, equipment and system |
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| CN103517352B (en) * | 2012-06-30 | 2016-08-31 | 华为技术有限公司 | Cell switching control method, cell switching method and device and system |
| CN103828432A (en) * | 2012-09-14 | 2014-05-28 | 华为技术有限公司 | Mobility management method, base station and user equipment |
| CN104145504A (en) | 2012-09-20 | 2014-11-12 | 华为技术有限公司 | Measurement control method, user equipment, control node and system |
| CN105517013B (en) * | 2015-11-25 | 2019-06-21 | 南京扬舟信息科技有限公司 | A kind of neighboring BS relationship recognition methods |
| CN106231626B (en) * | 2016-07-15 | 2019-11-26 | 华为技术有限公司 | A kind of method and device sending measurement report |
| CN109121169B (en) * | 2017-06-23 | 2021-04-13 | ***通信有限公司研究院 | System information sending method, system information receiving method, base station and mobile communication terminal |
| KR20200093656A (en) | 2017-12-11 | 2020-08-05 | 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 | Method for configuring measurement parameters of user device, user device and network device |
| CN110858975B (en) * | 2018-08-23 | 2023-03-14 | 北京小米松果电子有限公司 | Signal quality measurement method, device, medium and electronic equipment for main frequency points in adjacent regions |
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| CN1756202A (en) * | 2004-09-28 | 2006-04-05 | 华为技术有限公司 | Method for realizing measure control |
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| CN101848504A (en) * | 2009-03-26 | 2010-09-29 | 大唐移动通信设备有限公司 | Method, system and device for sending parameter information and measuring parameters |
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