CN101772066A - Control method for periodic measurement - Google Patents
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- CN101772066A CN101772066A CN200910076466A CN200910076466A CN101772066A CN 101772066 A CN101772066 A CN 101772066A CN 200910076466 A CN200910076466 A CN 200910076466A CN 200910076466 A CN200910076466 A CN 200910076466A CN 101772066 A CN101772066 A CN 101772066A
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Abstract
The present invention discloses a control method for periodic measurement. The method comprises the following steps: the coverage area of a cell is previously divided into a central area, a soft frequency reuse switching area and a marginal area by a radio network controller (RNC); measurement control information used for controlling user equipment (UE) to report events to the RNC when the UE enters or leaves the switching area is sent by the RNC to the UE according to the area in which the UE is, and the measurement control information is 2D event measurement control information and/or 2F event measurement control information; the events are reported to the RNC by the UE according to the measurement control information received when the received signal code power (RSCP) of a primary common control physical channel (PCCPCH) meets event report requirements, namely the threshold limitation of the events carried by the measurement control information; the UE is controlled by the RNC to carry out periodic measurement for neighbouring cells in the switching area according to the events reported by the UE. The expenses of periodic report on idle signalling can be reduced by the method.
Description
Technical field
The present invention relates to the measuring technique in the mobile communication system, particularly relate to a kind of control method of period measurement.
Background technology
At present, introduced dynamic soft frequency soverlay technique (TFFR) in the TD-SCDMA system, the subscriber equipment (UE) that this Technology Need will be in cell edge carries out intra-cell and changes, to reduce the co-channel interference level between neighbor cell.
In the system of existing employing TFFR technology, when UE is in the Serving cell central area, system can be the carrier frequency of its configuration half covering, when UE is in the Serving cell fringe region, system can dispose the carrier frequency of all standing for it, when UE was in soft-frequency reuse Zone switched, system can select the carrier frequency of all standing or half carrier frequency that covers to dispose to this UE (referring to Fig. 1) according to the signal quality of current service cell and adjacent sub-district.When this is Zone switched, when UE is operated in all standing carrier frequency, if the difference of the signal quality of the signal quality of Serving cell and adjacent sub-district shows that UE to the motion of Serving cell central area, then can switch to UE half carrier frequency that covers; When UE is operated in half covering carrier frequency, if the difference of the signal quality of the signal quality of Serving cell and adjacent sub-district shows that UE in the fringe region motion to Serving cell, then can switch to UE all standing carrier frequency.Switching in the above-mentioned sub-district, being with the soft-frequency reuse is the switching of purpose, switching hereinafter all is this kind switching.
Existing TFFR method can adopt two kinds of machine-processed triggering systems to carry out switching in the sub-district, and a kind of is the trigger mechanism of event report, and another kind is the trigger mechanism of cycle report.
When adopting the trigger mechanism of event report, UE only need carry out intra-cell when changing determining Serving cell with respect to adjacent cell quality variation, just send measurement report to radio network controller (RNC), switch with triggering system, can reduce signaling amount shared when switching like this.Present TFFR method is only supported to utilize and is used to represent that Serving cell triggers RNC with respect to the event report (being the 2A measurement report) of adjacent cell quality variation and carries out intra-cell and change.As seen, adopt the TFFR method of the trigger mechanism realization of event report at present, can only realize changing to the intra-cell of all standing carrier wave from partly covering carrier wave, and for changing from all standing carrier wave to the intra-cell that partly covers carrier wave, then owing to do not support the event report that Serving cell improves with respect to adjacent cell quality, and can't realize.
When the trigger mechanism of employing cycle report, issue dynamic soft frequency by RNC and cover the period measurement control indication that switching needs use, UE carries out period measurement according to this indication, and the result reported to RNC, after RNC receives the period measurement report that UE reports, to the measurement result in this report carry out computing and with the TFFR thresholding relatively, determine whether to trigger the TFFR intra-cell according to the position at the current place of UE again and change and determine the target carrier frequency that intra-cell is changed.The cycle trigger mechanism of report can be realized realizing again from partly covering the switching of carrier wave to all standing carrier wave from all standing carrier wave to the switching that partly covers carrier wave.But, because UE need regularly send measurement report to RNC according to preset period, make the trigger mechanism of this cycle report can cause higher signaling traffic, and then increase the load of RNC side and UE side, and can be owing to the service quality that seizing of bandwidth of air-interface is influenced the UE business.
This shows that there is the excessive problem of space interface signaling expense in existing TFFR method under the trigger mechanism of cycle report.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of control method of period measurement, this method be used for the TFFR technology can the minimizing cycle report to the expense of space interface signaling.
In order to achieve the above object, the technical scheme of the present invention's proposition is:
A kind of control method of period measurement, this method may further comprise the steps:
A, RNC are divided into the overlay area of sub-district Zone switched and fringe region three parts of central area, soft-frequency reuse in advance;
B, RNC are according to the zone at UE place, issue to described UE and to be used to control described UE and to enter or leave described measuring control information to RNC reported event when Zone switched, described measuring control information is control information of 2D affair and/or the control information of 2F affair;
C, described UE be according to the measuring control information that receives, in the RSCP value of Primary Common Pilot Channel (PCCPCH), when reaching reporting events that the incident thresholding that carried by described measuring control information limits and requiring, reports this incident to RNC;
D, RNC be according to the incident that described UE reports, and controls described UE and period measurement is carried out in adjacent sub-district described in Zone switched.
Preferably, among the step b,
When described zone was described central area, described measuring control information was the control information of 2D affair, and the incident thresholding that this 2D affair control information is carried is the received signal power controlling RSCP value of Zone switched internal diameter correspondence;
When described zone was described fringe region, described measuring control information was the control information of 2F affair, and the incident thresholding that this 2F affair control information is carried is the pairing RSCP value of Zone switched external diameter;
When described zone is described when Zone switched, described measuring control information is control information of 2D affair and the control information of 2F affair, the incident thresholding that the control information of described 2D affair is carried is the RSCP value of Zone switched internal diameter correspondence, and the incident thresholding that the control information of described 2F affair is carried is the pairing RSCP value of Zone switched external diameter.
Preferably, described steps d is:
When the incident that reports as described UE was the 2D incident, RNC judged currently whether started described UE period measurement is carried out in adjacent sub-district, if, then stop described UE period measurement is carried out in adjacent sub-district, otherwise, start described UE period measurement is carried out in adjacent sub-district;
When the incident that reports as described UE was the 2F incident, RNC judged currently whether started described UE period measurement is carried out in adjacent sub-district, if, then stop described UE period measurement is carried out in adjacent sub-district, otherwise, start described UE period measurement is carried out in adjacent sub-district.
In sum, the control method of the period measurement that the present invention proposes, by introducing 2D incident and 2F incident, make RNC can control UE and only in Zone switched, period measurement is carried out in adjacent sub-district, thereby effectively the trigger mechanism of minimizing cycle report is to the expense of space interface signaling.
Description of drawings
Fig. 1 is the Zone switched schematic diagram of purpose in the system for existing employing TFFR technology with the soft-frequency reuse;
Fig. 2 is the flow chart of the embodiment of the invention one.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
In the system of existing employing TFFR technology, have only as UE when to be in soft-frequency reuse be purpose Zone switched, just need be according to the signal quality of current service cell and adjacent sub-district, determine whether to carry out from all standing carrier frequency to partly covering carrier frequency or from partly covering the switching of carrier frequency to all standing carrier frequency.
As seen, RNC only need be at UE and trigger UE when Zone switched and carry out period measurement.
Based on this, main thought of the present invention is:
With the period measurement of UE to adjacent sub-district, be controlled at the soft-frequency reuse is to carry out in purpose Zone switched, with avoid UE in the central area or fringe region when RNC sends the period measurement report to the expense of signal resource, thereby can reduce the signal resource that periodic measurement consumed of UE on the whole to adjacent sub-district.
Utilize existing 2D incident and 2F incident as controlled condition, and with the RSCP of Zone switched inside and outside footpath correspondence as the incident thresholding, with the periodic measurement of UE to adjacent sub-district, being controlled at the soft-frequency reuse is to carry out in purpose Zone switched.Like this, can avoid UE in the central area or fringe region shared signal resource when RNC sends measurement report, thus the trigger mechanism of minimizing cycle report, to a large amount of consumption of limited interface-free resources.
Fig. 2 is the flow chart of the embodiment of the invention one, and as shown in Figure 2, this embodiment one mainly comprises:
Here, described Zone switched size can consider that the timely and effective property of switching, the expense of space interface signaling, the factors such as probability of handoff failure preestablish according to actual needs, and concrete grammar is that those skilled in the art are known, repeats no more herein.
Since received signal power controlling (RSCP) level can the reflected signal quality quality, correspondingly, also can judge the position of UE according to the RSCP level of reality, therefore, here with the RSCP value of Zone switched inside and outside footpath correspondence incident thresholding as 2D incident and 2F incident, 2D incident and 2F incident that RNC can be reported according to UE know whether UE enters or leave Zone switched.Based on this, the concrete grammar of this step can for:
When described UE was in the central area, RNC issued the control information of 2D affair to described UE, and the incident thresholding that this 2D affair control information is carried is the RSCP value of Zone switched internal diameter correspondence;
Like this, can guarantee to enter from the central area when Zone switched as UE, by sending the 2D incident to RNC, it is described Zone switched to make RNC know that this UE enters, so that start the period measurement of described UE to adjacent sub-district.
When described UE was in fringe region, RNC issued the control information of 2F affair to described UE, and the incident thresholding that this 2F affair control information is carried is the pairing RSCP value of Zone switched external diameter;
Like this, can guarantee to enter when Zone switched from fringe region as UE, by sending the 2F incident to RNC, it is described Zone switched to make RNC know that this UE enters, so that start the period measurement of described UE to adjacent sub-district.
When described UE is in when Zone switched, RNC issues control information of 2D affair and the control information of 2F affair to described UE, the incident thresholding that the control information of described 2D affair is carried is the RSCP value of Zone switched internal diameter correspondence, and the incident thresholding that the control information of described 2F affair is carried is the pairing RSCP value of Zone switched external diameter;
Here,, will send the 2F incident, and make RNC can know that this UE has left the described Zone switched central area that enters, so that stop the period measurement of described UE to adjacent sub-district to RNC when UE leaves Zone switchedly when entering the central area; And leave Zone switchedly when entering fringe region as UE, and then can send the 2D incident to RNC, make RNC know that this UE has left the described Zone switched fringe region that enters, so that stop the period measurement of described UE to adjacent sub-district.Like this, can guarantee to leave when Zone switched,, make RNC stop the period measurement of described UE adjacent sub-district by sending 2F incident or 2D incident to RNC as UE.
Here, along with the difference of UE in the received measuring control information of zones of different, the incident that reports described in this step is also with difference, and is specific as follows:
When described UE receives the control information of 2D affair in the central area, if the RSCP value of PCCPCH satisfies this 2D reporting events requirement, it is Zone switched to show that UE enters from the central area, then described UE will report the 2D incident to give RNC, at this moment, to require be that RSCP value by described Zone switched internal diameter correspondence limits for this 2D reporting events;
When described UE edge region receives the control information of 2F affair, when if the RSCP value of PCCPCH satisfies by this 2F reporting events requirement, it is Zone switched to show that UE enters from fringe region, then described UE will report the 2F incident to give RNC, at this moment, to require be that RSCP value by described Zone switched external diameter correspondence limits for this 2F reporting events;
When described UE Zone switched when receiving control information of 2D affair and the control information of 2F affair, if the RSCP value of PCCPCH satisfies by this 2D reporting events requirement, show that UE is from the Zone switched fringe region that enters, then described UE will report the 2D incident to give RNC, at this moment, to require be that RSCP value by described Zone switched external diameter correspondence limits for this 2D reporting events; If the RSCP value of PCCPCH satisfies the requirement of 2F reporting events, show UE from the Zone switched central area that enters, then described UE will report the 2F incident to give RNC, and at this moment, it is that RSCP value by described Zone switched internal diameter correspondence limits that this 2F reporting events requires.
By in above-mentioned steps 202 and 203, introducing 2D and the control information of 2F affair, can guarantee that RNC learns that UE enters or withdraw from Zone switched, so that in step 204, controls described UE and period measurement is carried out in adjacent sub-district described in Zone switched.
In this step, control described UE described Zone switched in to adjacent sub-district carry out period measurement concrete grammar can for:
When the incident that reports as described UE was the 2D incident, RNC judged currently whether started described UE period measurement is carried out in adjacent sub-district, if, then stop described UE period measurement is carried out in adjacent sub-district, otherwise, start described UE period measurement is carried out in adjacent sub-district;
Here, when RNC judges when starting described UE period measurement being carried out in adjacent sub-district, it is described Zone switched to fringe region to illustrate that described UE is leaving, need stop described UE period measurement is carried out in adjacent sub-district this moment, and judge when not starting described UE period measurement being carried out in adjacent sub-district as RNC, it is described Zone switched to illustrate that described UE is entering from the central area, need to start described UE this moment period measurement is carried out in adjacent sub-district, so, promptly the described UE of may command only carries out period measurement to adjacent sub-district described in Zone switched.As seen, utilize the 2D incident to can be implemented on from the inside to the outside the direction control UE to the period measurement of adjacent sub-district.
When the incident that reports as described UE was the 2F incident, RNC judged currently whether started described UE period measurement is carried out in adjacent sub-district, if, then stop described UE period measurement is carried out in adjacent sub-district, otherwise, start described UE period measurement is carried out in adjacent sub-district.
Here, when RNC judges when starting described UE period measurement being carried out in adjacent sub-district, illustrate that described UE is leaving the described Zone switched central area that enters, need stop described UE period measurement is carried out in adjacent sub-district this moment, and judge when not starting described UE period measurement being carried out in adjacent sub-district as RNC, it is Zone switched to illustrate that described UE is entering from fringe region, need to start described UE this moment period measurement is carried out in adjacent sub-district, so, promptly the described UE of may command only carries out period measurement to adjacent sub-district described in Zone switched.As seen, utilize the 2F incident to can be implemented in from outside to inside and control the period measurement of UE on the direction adjacent sub-district.
In technique scheme, the present invention makes RNC can control UE and only Zone switched in period measurement is carried out in adjacent sub-district by introducing 2D incident and 2F incident, thereby reduces under the trigger mechanism of reporting in the cycle expense to space interface signaling.
In sum, more than be preferred embodiment of the present invention only, be not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. the control method of a period measurement is characterized in that, this method may further comprise the steps:
A, radio network controller (RNC) are divided into the overlay area of sub-district Zone switched and fringe region three parts of central area, soft-frequency reuse in advance;
B, RNC are according to the zone at user equipment (UE) place, issue to described UE and to be used to control described UE and to enter or leave described measuring control information to RNC reported event when Zone switched, described measuring control information is control information of 2D affair and/or the control information of 2F affair;
C, described UE be according to the measuring control information that receives, in the RSCP of Primary Common Pilot Channel PCCPCH value, when reaching reporting events that the incident thresholding that carried by described measuring control information limits and requiring, reports this incident to RNC;
D, RNC be according to the incident that described UE reports, and controls described UE and period measurement is carried out in adjacent sub-district described in Zone switched.
2. method according to claim 1 is characterized in that, among the step b,
When described zone was described central area, described measuring control information was the control information of 2D affair, and the incident thresholding that this 2D affair control information is carried is the received signal power controlling RSCP value of Zone switched internal diameter correspondence;
When described zone was described fringe region, described measuring control information was the control information of 2F affair, and the incident thresholding that this 2F affair control information is carried is the pairing RSCP value of Zone switched external diameter;
When described zone is described when Zone switched, described measuring control information is control information of 2D affair and the control information of 2F affair, the incident thresholding that the control information of described 2D affair is carried is the RSCP value of Zone switched internal diameter correspondence, and the incident thresholding that the control information of described 2F affair is carried is the pairing RSCP value of Zone switched external diameter.
3. method according to claim 1 and 2 is characterized in that, described steps d is:
When the incident that reports as described UE was the 2D incident, RNC judged currently whether started described UE period measurement is carried out in adjacent sub-district, if, then stop described UE period measurement is carried out in adjacent sub-district, otherwise, start described UE period measurement is carried out in adjacent sub-district;
When the incident that reports as described UE was the 2F incident, RNC judged currently whether started described UE period measurement is carried out in adjacent sub-district, if, then stop described UE period measurement is carried out in adjacent sub-district, otherwise, start described UE period measurement is carried out in adjacent sub-district.
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| CN2009100764669A CN101772066B (en) | 2009-01-05 | 2009-01-05 | Control method for periodic measurement |
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| CN2009100764669A CN101772066B (en) | 2009-01-05 | 2009-01-05 | Control method for periodic measurement |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102348221A (en) * | 2010-08-05 | 2012-02-08 | 电信科学技术研究院 | Minimization drive test measurement method and user equipment |
| CN102612046A (en) * | 2012-04-13 | 2012-07-25 | 北京邮电大学 | Energy-saving dynamic frequency spectrum planning method in femtocell network |
| CN102647742A (en) * | 2011-02-17 | 2012-08-22 | 中兴通讯股份有限公司 | Method, device and system for controlling user equipment to measure |
| CN104684059A (en) * | 2013-11-26 | 2015-06-03 | 株式会社Ntt都科摩 | Power control method and equipment |
| CN105050106A (en) * | 2015-08-24 | 2015-11-11 | 中磊电子（苏州）有限公司 | Measurement control method and base station employing measurement control method |
| US10057836B2 (en) | 2015-09-09 | 2018-08-21 | Sercomm Corporation | Smallcell and operating method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1281010C (en) * | 2001-12-11 | 2006-10-18 | 中兴通讯股份有限公司 | Decision method for periodic report and channel interval hard switching |
| CN100454794C (en) * | 2002-08-08 | 2009-01-21 | 中兴通讯股份有限公司 | Hard switchover judging method for wide band CDMA system |
| CN100359986C (en) * | 2004-08-04 | 2008-01-02 | 中兴通讯股份有限公司 | Switch adjudgement method in TD-SCDMA system |
| CN1794681A (en) * | 2005-12-29 | 2006-06-28 | 上海贝豪通讯电子有限公司 | Switchover method between 3G network and WIFI network based on location information |
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2009
- 2009-01-05 CN CN2009100764669A patent/CN101772066B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102348221A (en) * | 2010-08-05 | 2012-02-08 | 电信科学技术研究院 | Minimization drive test measurement method and user equipment |
| CN102348221B (en) * | 2010-08-05 | 2014-04-02 | 电信科学技术研究院 | Minimization drive test measurement method and user equipment |
| CN102647742A (en) * | 2011-02-17 | 2012-08-22 | 中兴通讯股份有限公司 | Method, device and system for controlling user equipment to measure |
| CN102612046A (en) * | 2012-04-13 | 2012-07-25 | 北京邮电大学 | Energy-saving dynamic frequency spectrum planning method in femtocell network |
| CN104684059A (en) * | 2013-11-26 | 2015-06-03 | 株式会社Ntt都科摩 | Power control method and equipment |
| CN105050106A (en) * | 2015-08-24 | 2015-11-11 | 中磊电子（苏州）有限公司 | Measurement control method and base station employing measurement control method |
| CN105050106B (en) * | 2015-08-24 | 2019-12-10 | 中磊电子（苏州）有限公司 | measurement control method and base station applying same |
| US10057836B2 (en) | 2015-09-09 | 2018-08-21 | Sercomm Corporation | Smallcell and operating method thereof |
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| CN101772066B (en) | 2012-05-30 |
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