CN101541017A - Method for limiting user moving range under call state - Google Patents
Method for limiting user moving range under call state Download PDFInfo
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- CN101541017A CN101541017A CN 200810085770 CN200810085770A CN101541017A CN 101541017 A CN101541017 A CN 101541017A CN 200810085770 CN200810085770 CN 200810085770 CN 200810085770 A CN200810085770 A CN 200810085770A CN 101541017 A CN101541017 A CN 101541017A
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Abstract
The invention discloses a method for limiting a user moving range under a call state, and relates to a cellular mobile communication system. In the method, a base station sender deploys an RTD predetermined threshold value for each sector; the base station sender keeping communication with a mobile terminal in the call state periodically sends a communication round trip delay RTD value between the base station sender and the mobile terminal to a base station controller; the base station controller judges the received RTD value, and if the RTD value is more than the RTD predetermined threshold value at the sector where the terminal is positioned, the terminal is beyond a limited boundary zone of the mobile communication system, and the base station controller releases the call service of the terminal. When the system coverage is beyond the limited boundary zone of the mobile communication system, the user moving range under the call state is precisely limited, and the method is particularly suitable for a CDMA system so as to meet the demands of operators.
Description
Technical field
The present invention relates to cell mobile communication systems, particularly a kind of method to user moving range restriction under the talking state.
Background technology
Code division multiple access CDMA2000 (Code-Division Multiple Access) network belongs to typical cell mobile communication systems, it is 3-G (Generation Three mobile communication system) (3G) technology that on IS-95 cdma system basis, develops, along with the fast development of CDMA technology, various abundant mobile communication businesses such as present CDMA2000 system support voice, data, note and fax.
In cell mobile communication systems, the user uses the connection of mobile terminal into network service, and wherein said portable terminal can be cell phone, vehicle mobile terminals, portable computer wireless Internet card and radio fixed station etc.Behind the user terminal connecting system network, can in the system signal coverage, use the network service, remain on and carry out mobile communication under the talking state, but under some special application scenarios, the network service need be limited in the specific geographic location area, and limiting terminal is in the moving range under the talking state.For example in the international boundary district, Carrier Requirements surpass national boundary can not the access network service with the portable terminal of exterior domain, as shown in Figure 1, operator need be outside boundary line 105, restriction is in the service of the portable terminal (MS) 104 under the talking state.
At present, generally can come the moving range of limited subscriber under talking state by the Adjustment System coverage, but because the complexity of wireless environment, the particularity of geographical environment causes the coverage of system signal accurately not to be controlled on the boundary line, thus can't be fully the scope that moves of covering limited subscriber by control signal.Therefore, need be when system's covering exceed the mobile communication system limited boundary zone, user moving range limits accurately under the talking state to being in.
Summary of the invention
The technical problem to be solved in the present invention is a kind of method to user moving range restriction under the talking state to be provided, thereby accurately to control the moving range of user under the talking state.
In order to address the above problem, the invention provides a kind of method to user moving range restriction under the talking state, wherein, base station transceiver is each sector configuration RTD predetermined threshold under it, with be in described base station transceiver that the talking state portable terminal keeps in communication periodically with its with described portable terminal between the round trip of communicating by letter postpone the RTD value and send to base station controller, if described base station controller judges that its RTD value of receiving is greater than this terminal sector of living in RTD predetermined threshold, think that then this terminal exceeds the mobile communication system limited boundary zone, described base station controller discharges this terminal call business.
Further, in the said method, when described portable terminal and a plurality of base station transceiver were preserved communication, described a plurality of base station transceivers sent RTD value between himself and the described portable terminal to described base station controller respectively.
Wherein, when described base station controller receives that a plurality of base station transceivers send described RTD value, if described base station controller judges that respectively each RTD value all greater than the base station transceiver sector RTD predetermined threshold that sends this RTD value, then discharges this terminal call business.
Further, in the said method, described RTD predetermined threshold is meant that described base station transceiver arrives the determined RTD value of distance of the limited boundary zone of mobile communication system according to described base station transceiver on each sector under it.
Wherein, described base station transceiver periodically detects the RTD value between himself and the described portable terminal, calculate the difference of the RTD value between himself and the described portable terminal that once reports before RTD value between described base station transceiver of current time and the described portable terminal and this base station transceiver, if when this difference is not less than the RTD renewal threshold value of configured in advance, more current RTD value is sent to described base station controller.
When described base station transceiver not when described base station controller reported RTD value between himself and the described portable terminal, if described base station transceiver is judged when current time himself is not less than the RTD renewal threshold value of configured in advance with RTD value between the described portable terminal, current RTD value is sent to described base station controller.
When described base station transceiver periodically detected RTD value between himself and the described portable terminal, described base station controller notified described mobile terminal period to report the information that is used to calculate the RTD value.
If described portable terminal adopts pilot measurement reports when described base station controller periodic report is used to calculate the information of RTD value, described base station controller is according to the RTD value between calculating described base station transceiver of current time of the phase information in this pilot measurement reports and the described terminal.
When if described portable terminal and a plurality of base station transceiver are kept in communication, described base station controller obtains the phase information of each pilot tone from described pilot measurement reports, calculate the relative time delay of non-reference pilot and reference pilot then, again in conjunction with the RTD value of the local reference pilot of preserving, calculate described portable terminal respectively and the RTD information of each base station transceiver of keeping in communication with it.
Wherein, described base station transceiver perhaps is its same RTD renewal of all sector configuration threshold value down for it disposes RTD renewal threshold value respectively in each sector down.
Technical solution of the present invention covers when exceeding the mobile communication system limited boundary zone in system, has carried out accurate restriction to being under the talking state user moving range, is particularly useful for cdma system, thereby has satisfied the demand of operator.
Description of drawings
Fig. 1 is the mobile communication system structural representation:
Fig. 2 is the process chart of the present invention according to RTD renewal and RTD limited subscriber moving range.
Embodiment
Main design of the present invention is to provide a kind of distance based on portable terminal and base station transceiver to come the method for the user moving range under the limiting call state.When using connection of mobile terminal into network, the user enters talking state, in its moving process, portable terminal and base station transceiver (BTS, BaseTransceiver Station) the communication round trip between postpones (RTD) can be changed along with the variable in distance of portable terminal and BTS, so the measurement of RTD can be used the tolerance of doing distance between portable terminal and the BTS.Base station system detects and calculates the RTD value of portable terminal and BTS, if the RTD of portable terminal that calculates and BTS has surpassed the predetermined threshold of configuration, the distance that is portable terminal and BTS surpasses predetermined scope, just user's moving range has exceeded the limited boundary zone of mobile communication system under the talking state, base station controller (BSC then, Base Station Controller) call release, thus reach the purpose in limit service zone.
Wherein, the RTD predetermined threshold, be meant on each sector of BTS according to the distance determined independent RTD predetermined threshold of BTS to the limited boundary zone of mobile communication system, this threshold value is provided with flexibly by actual conditions, for example, because each BTS sector difference of frontier distance of call blocking then can be provided with different RTD predetermined thresholds on each sector.
Below in conjunction with accompanying drawing and specific implementation method technical solution of the present invention is described in further detail.
Embodiment 1
A kind of method to user moving range restriction under the talking state, be based on mainly that BTS active detecting RTD realizes, this method is provided with RTD in advance and upgrades threshold value and RTD predetermined threshold in each sector of the BTS of borderline region, the RTD of wherein said setting upgrades threshold value can control the precision that portable terminal moves restriction, to upgrade threshold value more little as the RTD that is provided with, RTD upgrades just frequent more, and is therefore just accurate more to the restriction of the moving range of portable terminal; Set RTD predetermined threshold is determined to the distance of the limited boundary zone of mobile communication system according to BTS, and when portable terminal was in talking state, this method was carried out each step as shown in Figure 2:
Step 201:BTS detects the RTD changing value between the portable terminal of himself and talking state;
In this step, BTS can periodically detect described RTD changing value, wherein the RTD changing value is meant, once report the poor of the portable terminal of BSC and the RTD value between this BTS before RTD value between current mobile terminal and this BTS and this BTS, when this BTS did not report RTD value between portable terminal and this BTS, the RTD value between current mobile terminal and this BTS was the RTD changing value.
Step 202: this BTS judges whether above-mentioned RTD changing value reaches or surpasses its local RTD renewal threshold value of preserving, if enter step 203, otherwise return step 201;
In this step, BTS can preserve same RTD in this locality and upgrade threshold value, perhaps preserves different RTD at each sector and upgrades threshold value.
Step 203: this BTS reports RTD value between current mobile terminal and this BTS to BSC;
In this step, BTS is kept at this locality with the RTD value that reports simultaneously, is used for calculating the RTD changing value next time.
Step 204:BSC obtains the RTD predetermined threshold that this BTS goes up configuration, whether judges above-mentioned current RTD greater than the RTD predetermined threshold that disposes on the corresponding BTS sector, if enter step 205, otherwise keep the talking state of this terminal, and return step 201;
In this step, when portable terminal relates to a plurality of sector of a plurality of BTS in moving process, BSC judges the RTD predetermined threshold whether each RTD value of receiving disposes on the portable terminal sector of living in greater than the BTS that sends this RTD value respectively, if arbitrary judged result is for being then to enter step 205; In addition, in other embodiments, BSC can the arbitrary step before this step obtain described RTD predetermined threshold.
Step 205:BSC thinks that this terminal exceeds the mobile communication system limited boundary zone, and notice BTS discharges the ongoing calling of this terminal.
Certainly in other embodiments, when portable terminal relates to a plurality of sector of a plurality of BTS in moving process, BSC judges the RTD predetermined threshold whether each RTD value of receiving disposes on the portable terminal sector of living in greater than the BTS that sends this RTD value respectively, if judged result is be, then BSC thinks that this terminal exceeds the mobile communication system limited boundary zone, and notice BTS discharges the ongoing calling of this terminal.
Embodiment 2
A kind of method to user moving range restriction under the talking state, can BTS periodically detect himself with the portable terminal of talking state between the RTD changing value in, adopt portable terminal active reporting message to realize jointly.
Present embodiment is with the difference of embodiment 1, and BTS is in the RTD changing value that periodically detects between the portable terminal of himself and talking state, and BSC notifies this mobile terminal period to report pilot measurement reports with form of message;
When BSC periodically receives the pilot strength measurement report of mobile terminal reporting, calculate and renewal RTD value according to the phase information in this measurement report, whether the RTD after judgement is upgraded then is greater than the RTD predetermined threshold that disposes on the corresponding BTS sector.Wherein BSC is according to prior art, from pilot strength measurement report, obtain the phase information of each pilot tone, calculate the relative time delay of non-reference pilot and reference pilot then, again in conjunction with the RTD value of the local reference pilot of preserving, calculate described portable terminal respectively and the RTD information of each base station transceiver of keeping in communication with it.
The method that proposes in the foregoing description also can be applicable in the mobile communication system of other various technical standards.
By the foregoing description as can be seen, the technical program the technical program is by adjusting each BTS sector and the RTD predetermined threshold of adjacent area and the moving range that the signal covering has limited terminal accurately and efficiently in the borderline region, be particularly useful for cdma system, thereby satisfied the demand of operator.
Above-mentioned embodiment only is for the convenient preferred embodiment that provides of the present invention being provided, can not being interpreted as qualification the present invention, therefore by all technical schemes that claim of the present invention covered all at the row of prescription of the present invention.
Claims (10)
1, a kind of method to user moving range restriction under the talking state is characterized in that,
Base station transceiver is each sector configuration RTD predetermined threshold under it, with be in described base station transceiver that the talking state portable terminal keeps in communication periodically with its with described portable terminal between the round trip of communicating by letter postpone the RTD value and send to base station controller, if described base station controller judges that it receives that the RTD value is greater than this terminal sector of living in RTD predetermined threshold, think that then this terminal exceeds the mobile communication system limited boundary zone, described base station controller discharges this terminal call business.
2, the method for claim 1 is characterized in that,
When described portable terminal and a plurality of base station transceiver were preserved communication, described a plurality of base station transceivers sent RTD value between himself and the described portable terminal to described base station controller respectively.
3, method as claimed in claim 2 is characterized in that,
When described base station controller receives that a plurality of base station transceivers send described RTD value, if described base station controller judges that respectively each RTD value all greater than the base station transceiver sector RTD predetermined threshold that sends this RTD value, then discharges this terminal call business.
4, as each described method of claim 1 to 3, it is characterized in that,
Described RTD predetermined threshold is meant that described base station transceiver arrives the determined RTD value of distance of the limited boundary zone of mobile communication system according to described base station transceiver on each sector under it.
5, method as claimed in claim 4 is characterized in that,
Described base station transceiver periodically detects the RTD value between himself and the described portable terminal, calculate the difference of the RTD value between himself and the described portable terminal that once reports before RTD value between described base station transceiver of current time and the described portable terminal and this base station transceiver, if when this difference is not less than the RTD renewal threshold value of configured in advance, more current RTD value is sent to described base station controller.
6, method as claimed in claim 4 is characterized in that,
When described base station transceiver not when described base station controller reported RTD value between himself and the described portable terminal, if described base station transceiver is judged when current time himself is not less than the RTD renewal threshold value of configured in advance with RTD value between the described portable terminal, current RTD value is sent to described base station controller.
7, method as claimed in claim 4 is characterized in that,
When described base station transceiver periodically detected RTD value between himself and the described portable terminal, described base station controller notified described mobile terminal period to report the information that is used to calculate the RTD value.
8, method as claimed in claim 7 is characterized in that,
If described portable terminal adopts pilot measurement reports when described base station controller periodic report is used to calculate the information of RTD value, described base station controller is according to the RTD value between calculating described base station transceiver of current time of the phase information in this pilot measurement reports and the described terminal.
9, method as claimed in claim 8 is characterized in that,
When if described portable terminal and a plurality of base station transceiver are kept in communication, described base station controller obtains the phase information of each pilot tone from described pilot measurement reports, calculate the relative time delay of non-reference pilot and reference pilot then, again in conjunction with the RTD value of the local reference pilot of preserving, calculate described portable terminal respectively and the RTD information of each base station transceiver of keeping in communication with it.
10, as claim 5 or 6 described methods, it is characterized in that,
Described base station transceiver perhaps is its same RTD renewal of all sector configuration threshold value down for it disposes RTD renewal threshold value respectively in each sector down.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200810085770 CN101541017A (en) | 2008-03-20 | 2008-03-20 | Method for limiting user moving range under call state |
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| CN 200810085770 CN101541017A (en) | 2008-03-20 | 2008-03-20 | Method for limiting user moving range under call state |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326983A (en) * | 2009-12-29 | 2013-09-25 | 财团法人工业技术研究院 | Method for providing ranging preamble codes in wireless communication system and base station |
| WO2014187264A1 (en) * | 2013-09-13 | 2014-11-27 | 中兴通讯股份有限公司 | Method and device for realizing call barring service |
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2008
- 2008-03-20 CN CN 200810085770 patent/CN101541017A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326983A (en) * | 2009-12-29 | 2013-09-25 | 财团法人工业技术研究院 | Method for providing ranging preamble codes in wireless communication system and base station |
| CN103326983B (en) * | 2009-12-29 | 2017-06-23 | 财团法人工业技术研究院 | Method and the base station of range finding preamble set are provided in a communications system |
| WO2014187264A1 (en) * | 2013-09-13 | 2014-11-27 | 中兴通讯股份有限公司 | Method and device for realizing call barring service |
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Application publication date: 20090923 |