CN101123809B - Method and device for terminal location registration and paging terminal in multi-frequency network - Google Patents
Method and device for terminal location registration and paging terminal in multi-frequency network Download PDFInfo
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Abstract
The invention example discloses a method of registering in a terminal position of a multi-frequency band network and paging the terminal in the multi-frequency band network as well as a corresponding base station subsystem and a base station controller; wherein, the method of paging the terminal in the multi-frequency band network includes the following steps : inquiring the registering area the terminal currently belongs to, the registering area is divided by frequency band, and the cover range of the multi-frequency band network is divided into multi-registering areas according to the multi-frequency band; sending out paging information on the carrier frequency contained in the registering area the terminal currently belongs to. The invention example can reduce the system load when paging the terminal and can ensure the success rate of paging.
Description
Technical field
The invention belongs to wireless communication field, relate in particular to a kind of in multi-frequency network terminal location registration and in multi-frequency network method, and the relevant base station subsystem and the base station controller of call terminal.
Background technology
Base station sub-system (Base Station System, BSS) on each frequency, send frequency list message (CCLM (CDMA Channel List Message, CDMA Channel List Message) ECCLM (Extended CDMA Channel List Message, the expansion CDMA Channel List Message)), wherein comprise all frequencies that the terminal Idle state can be monitored.Behind the starting up of terminal, at first according to the preferred frequency search network that is provided with among the PRL (PriorRoam List, optimum roaming list); Behind the terminal locking frequency, the frequency list message on the monitoring seek channel is obtained the frequency tabulation; According to terminal IMSI (InternationalMobile Station Identifier, International Mobile Subscriber Identity) and frequency tabulation, calculate a frequency then by hash algorithm; The terminal Idle state is just waited on this frequency, makes a call on this frequency and monitors beep-page message.Terminal is done when called, and base station sub-system is call terminal within the specific limits.This scope must comprise the sub-district at terminal place and the frequency of monitoring.Base station sub-system is determined the frequency of terminal monitoring at first according to the geographic range of determining the terminal place of getting in touch of terminal the last time with base station sub-system according to same hash algorithm at this moment.Base station sub-system just sends beep-page message on certain frequency of this geographic range.
As follows according to the last method of getting in touch the geographic range of determining the terminal place with base station sub-system of terminal: base station sub-system is divided into several registration areas with whole network coverage according to the geographic area, and broadcasts the sign of this registration area in system message.Terminal in moving process, monitoring system message, when the registration area changed, terminal was initiated the position and is upgraded its new registration area of informing base station subsystem.Like this, base station sub-system just sends beep-page message in the registration area of the last registration of terminal when call terminal.
In the cordless communication network process of construction, different frequency ranges may be used in different regions, and different systems is generally divided different frequency ranges.Yet the resource of a frequency range is limited, needs a plurality of frequency range stack networkings sometimes.Such as, because the 450M band characteristic is that covering is distant, be suitable for scarcely populated area, general growing up in the rural area earlier; And general the beginning from the city earlier of 800M frequency range built; In city densely populated, that telephone traffic is very big, need two frequency range stack networkings, enough frequency resources are just arranged.As shown in Figure 1,5 frequencies of 800M frequency range are used in some areas, and 3 frequencies of 450M frequency range are used in some areas, and 8 frequencies are used in the very big area of telephone traffic simultaneously.
Following emphasis is considered two or more frequency range stack networkings, shown in the B zone among Fig. 1.According to the support situation to frequency range, terminal is divided into:
The one-segment terminal can only be supported the terminal of a frequency range.Such as the terminal that can only support 800M.
Multiband terminal is supported the terminal of two or more frequency ranges.Such as not only supporting 450M but also supporting the terminal of 800M.
In CDMA (Code Division Multiple Acess, code division multiple access) agreement, CCLM ECCLM can not carry band class information.And, if CCLM ECCLM comprise a plurality of frequency ranges, the one-segment terminal can not be supported a plurality of frequency ranges, can't surf the Net.So the CCLM that sends on the frequency of each frequency range can only carry the frequency tabulation of this frequency range among the ECCLM.Terminal is to utilize hash algorithm to calculate the frequency of oneself waiting for according to the frequency tabulation that sends among the CCLM after the online of search frequency.In the networking as shown in Figure 1, in the a-quadrant, CCLM can only comprise 5 frequencies such as 242 grades among the ECCLM and (not necessarily comprise all 5 frequencies, can only comprise a part), support the terminal of 800M frequency range to pass through hash algorithm, calculate the frequency that oneself will wait for according to frequency tabulation and IMSI, change then and go to monitor corresponding paging channel; In the C zone, CCLM can only comprise 3 frequencies such as 260 grades among the ECCLM, the terminal of supporting the 450M frequency range calculates the frequency that oneself will wait for by hash algorithm according to frequency tabulation and IMSI, changes the paging channel of going to monitor correspondence then; For the B zone, 3 frequencies of 260 grades send among the CCLM/ECCLM and can only carry 260,210,160}, the CCLM that 5 frequencies such as 242 grades send can only carry among the ECCLM 242,201,283,78,119}.800M one-segment terminal by hash algorithm 242,201,283,78, select the frequency oneself wait among the 119}, 450M one-segment terminal by hash algorithm 260,210, select the frequency of oneself waiting among the 160}.And multiband terminal, if search the 800M frequency, then 242,201,283,78, select the frequency oneself wait among the 119}, if search the 450M frequency, then 260,210, select the frequency of oneself waiting among the 160}.And search which frequency, relevant with the coverage condition and the terminal behavior of the PRL tabulation of terminal, present position.
If base station sub-system known terminal and monitored which frequency range, also just can according to the CCLM that sends the IMSI of ECCLM and terminal determine which frequency that terminal is being monitored by hash algorithm.For the one-segment terminal, base station sub-system can be stored the frequency range of its support, and determines the frequency of its monitoring when paging.But for multiband terminal, owing to following reason, base station sub-system is not often known the frequency range of terminal monitoring:
1, usually, terminal is at first searched for the preferred frequency that is provided with among the PRL, determines the frequency monitored according to frequency tabulation after the locked frequency point.At this moment, the frequency range of terminal monitoring is determined by preferred frequency.And the PRL tabulation is generally set when dispatching from the factory or sell, and system side there is no this information;
2, terminal is in moving process, if the frequency of monitoring is lost (go to the blind spot that frequency covers, promptly do not have signal), and other frequencies of terminal searching, the gravity treatment system after the locked frequency point, begins to monitor new frequency range to other frequency ranges;
If 3, the Idle state terminal listens to professional also capture systems again of system side instruction such as be redirected, monitor other frequency ranges.
In a word, in these change process, system side can't know which frequency range is terminal monitoring.
Prior art is divided the registration area according to the geographic area in multi-frequency network, be divided into 3 registration areas as shown in Figure 2.During the base station subsystem paging terminal, all frequency ranges send beep-page message in the registration area at terminal place.
The inventor finds that prior art has following shortcoming in realizing process of the present invention:
1, terminal moment only may be monitored some frequencies of a frequency range, and prior art all will select a frequency to carry out paging in each frequency range.The paging amount has increased N doubly than one-segment network, and N is a multi-frequency network Mid Frequency number.Shown in Fig. 2 C zone, N=3.Paging on N-1 frequency range is invalid.
2, when with the frequency points difference of each frequency range in the registration area when big, the less frequency range of frequency points can't be born the paging amount.Shown in Fig. 2 B zone, 450M has only a frequency, and 800M has 5 frequencies.Any terminal in system side paging B zone all sends beep-page message at the some frequencies of 800M and 160 frequencies of 450M frequency range.For the 800M frequency range, the paging of the telephone traffic of 6 frequencies of the paging channel of 5 frequencies carrying, problem is little; But for the 450M frequency range, the paging of the telephone traffic of 6 frequencies of the paging channel of 1 frequency carrying can't be born.
Summary of the invention
Embodiment of the invention technical problem to be solved is to provide a kind of registration of terminal location in multi-frequency network that can reduce system loading when call terminal to reach the method for call terminal in multi-frequency network, reach relevant base station subsystem and base station controller.
For solving the problems of the technologies described above, the embodiment of the invention provides a kind of method of terminal location registration in multi-frequency network, and it may further comprise the steps:
According to the registration area of dividing, the sign of this registration area of broadcasting in the system message of each registration area; Described registration area is divided according to frequency range, the coverage of multi-frequency network is divided into a plurality of registration areas according to frequency range, and described registration area is also divided according to carrier frequency, and superpose the frequently microzonation of sub-district and single carrier frequency of the overloading in the same frequency range is divided into different registration areas;
The location update message that receiving terminal sends comprises the sign of the new registration area under the terminal in the described location update message;
The position of terminal is updated to new registration area in the described location update message.
The embodiment of the invention also provide a kind of in multi-frequency network the method for call terminal, it may further comprise the steps:
The registration area that inquiry terminal is affiliated at present, described registration area is divided according to frequency range, the coverage of multi-frequency network is divided into a plurality of registration areas according to frequency range, and described registration area is also divided according to carrier frequency, and superpose the frequently microzonation of sub-district and single carrier frequency of the overloading in the same frequency range is divided into different registration areas;
Send beep-page message on the carrier frequency that the registration area comprised under at present.
The embodiment of the invention also provides a kind of base station controller, and it comprises:
Broadcast module is used for according to the registration area of dividing, the sign of this registration area of broadcasting in the system message of each registration area; Described registration area is divided according to frequency range, the coverage of multi-frequency network is divided into a plurality of registration areas according to frequency range, and described registration area is also divided according to carrier frequency, and superpose the frequently microzonation of sub-district and single carrier frequency of the overloading in the same frequency range is divided into different registration areas;
The location update message receiver module is used for the location update message that receiving terminal sends, and comprises the sign of the new registration area that terminal is affiliated in the described location update message;
The position update module is used for the position of terminal is updated to the new registration area of described location update message.
For solving the problems of the technologies described above, the embodiment of the invention also provides a kind of base station sub-system, and it comprises base station controller, and described base station controller comprises:
Broadcast module is used for according to the registration area of dividing, the sign of this registration area of broadcasting in the system message of each registration area; Described registration area is divided according to frequency range, the coverage of multi-frequency network is divided into a plurality of registration areas according to frequency range, and described registration area is also divided according to carrier frequency, and superpose the frequently microzonation of sub-district and single carrier frequency of the overloading in the same frequency range is divided into different registration areas;
The location update message receiver module is used for the location update message that receiving terminal sends, and comprises the sign of the new registration area that terminal is affiliated in the described location update message;
The position update module is used for the position of terminal is updated to the new registration area of described location update message.
Because the registration area of the embodiment of the invention is divided according to frequency range, the coverage of multi-frequency network is divided into a plurality of registration areas according to frequency range, therefore only need send beep-page message during the each call terminal of base station sub-system a frequency range, thereby reduced system loading, taking of paging channel is reduced to 1/N, and wherein N is the frequency range number; In addition, owing to selected correct carrier frequency to send beep-page message, therefore guaranteed paging success rate.
Description of drawings
Fig. 1 is the multi-frequency network schematic diagram;
Fig. 2 is that schematic diagram is divided in the multi-frequency network registration area that prior art provides;
Fig. 3 is the first embodiment flow chart of the method that terminal location is registered in multi-frequency network provided by the invention;
Fig. 4 is first schematic diagram that the multi-frequency network registration area that provides of the embodiment of the invention is divided;
Fig. 5 is second schematic diagram that the multi-frequency network registration area that provides of the embodiment of the invention is divided;
Fig. 6 be provided by the invention in multi-frequency network the first embodiment flow chart of the method for call terminal.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
See also Fig. 3, first embodiment of the present invention's method of terminal location registration in multi-frequency network may further comprise the steps:
S11, according to the registration area of dividing, the sign of this registration area of broadcasting in the system message of each registration area;
This registration area is divided according to frequency range, and the coverage of multi-frequency network is divided into a plurality of registration areas according to frequency range; In addition, this registration area also can be divided the carrier frequency in the same frequency range on the basis of above-mentioned division again according to the geographic area, and the traffic rarefaction is dropped on the border as far as possible; As shown in Figure 4, the carrier frequency of 450M, 800M, 1900M adheres to different registration area 1, registration area 2, registration area 3 separately;
The location update message that S12, receiving terminal send comprises the sign of the new registration area under the terminal in this location update message;
S13, the position of terminal is updated to new registration area in this location update message.
Second embodiment of the present invention's method of terminal location registration in multi-frequency network and the difference of first embodiment are, the registration area of second embodiment is divided according to frequency range and carrier frequency, different frequency range in the coverage of multi-frequency network belongs to different registration areas, and superpose the frequently sub-district of sub-district and single carrier frequency of the overloading in the same frequency range also is divided into different registration areas; In addition, this registration area also can be divided the carrier frequency in the same frequency range on the basis of above-mentioned division again according to the geographic area, and the traffic rarefaction is dropped on the border as far as possible.As shown in Figure 5, all carrier frequency are divided into 6 registration areas.The different registration area of the certain ownership of different frequency ranges is divided into different registration areas according to factors such as geographic area, telephone traffics in the same frequency range again.The embodiment of the invention is divided the registration area according to following rule in multi-frequency network:
(1) carrier frequency of different frequency range necessarily adheres to different registration areas separately, and in Fig. 5, the carrier frequency of 450M, 800M, 1900M adheres to different registration area 3, registration area 4, registration area 5 separately.A terminal can only be monitored a carrier frequency a moment, can not monitor different frequency ranges simultaneously, so only need comprise a frequency range during paging;
(2) carrier frequency in the same frequency range is divided according to the geographic area, and the traffic rarefaction is dropped on the border as far as possible, as registration area among Fig. 31 and registration area 2;
(3) carrier frequency in the same frequency range, the overloading sub-district that superposes frequently is divided into different registration areas with the sub-district of single carrier frequency as far as possible, and as registration area among Fig. 52 and registration area 5, this point is to bear the paging of overloading frequency traffic for fear of single carrier frequency, causes overload of power.
Like this 3 original registration areas are divided into 6 registration areas, paging range reduces one times.And under normal circumstances, the switching that terminal can be not frequent between frequency range just can switch when having only the gravity treatment base station sub-system, so can not cause frequent position to upgrade.
First embodiment of base station controller of the present invention comprises broadcast module, location update message receiver module and position update module, and broadcast module is broadcasted the sign of this registration area according to the registration area of dividing in the system message of each registration area; This registration area is divided according to frequency range, and the coverage of multi-frequency network is divided into a plurality of registration areas according to frequency range; In addition, this registration area also can be divided the carrier frequency in the same frequency range on the basis of above-mentioned division again according to the geographic area, and the traffic rarefaction is dropped on the border as far as possible; The location update message that location update message receiver module receiving terminal sends comprises the sign of the new registration area under the terminal in this location update message; The position update module is updated to new registration area in this location update message with the position of terminal.
Second embodiment of base station controller of the present invention and the difference of first embodiment are, the registration area of second embodiment is divided according to frequency range and carrier frequency, different frequency range in the coverage of multi-frequency network belongs to different registration areas, and superpose the frequently sub-district of sub-district and single carrier frequency of the overloading in the same frequency range also is divided into different registration areas; In addition, this registration area also can be divided the carrier frequency in the same frequency range on the basis of above-mentioned division again according to the geographic area, and the traffic rarefaction is dropped on the border as far as possible.
First embodiment of base station sub-system of the present invention comprises the base station controller that first embodiment of the invention provides, this base station controller comprises broadcast module, location update message receiver module and position update module, broadcast module is broadcasted the sign of this registration area according to the registration area of dividing in the system message of each registration area; This registration area is divided according to frequency range, and the coverage of multi-frequency network is divided into a plurality of registration areas according to frequency range; In addition, this registration area also can be divided the carrier frequency in the same frequency range on the basis of above-mentioned division again according to the geographic area, and the traffic rarefaction is dropped on the border as far as possible; The location update message that location update message receiver module receiving terminal sends comprises the sign of the new registration area under the terminal in this location update message; The position update module is updated to new registration area in this location update message with the position of terminal.
Second embodiment of base station sub-system of the present invention comprises the base station controller that second embodiment of the invention provides.
See also Fig. 6, first embodiment of the method for the present invention's call terminal in multi-frequency network may further comprise the steps:
The registration area that S21, inquiry terminal are affiliated at present;
This registration area is divided according to frequency range, and the coverage of multi-frequency network is divided into a plurality of registration areas according to frequency range; In addition, this registration area also can be divided the carrier frequency in the same frequency range on the basis of above-mentioned division again according to the geographic area, and the traffic rarefaction is dropped on the border as far as possible;
Send beep-page message on S22, the carrier frequency that the registration area comprised under at present.
Second embodiment of the method for the present invention's call terminal in multi-frequency network and the difference of first embodiment are, the registration area of second embodiment is divided according to frequency range and carrier frequency, different frequency range in the coverage of multi-frequency network belongs to different registration areas, and superpose the frequently sub-district of sub-district and single carrier frequency of the overloading in the same frequency range also is divided into different registration areas; In addition, this registration area also can be divided the carrier frequency in the same frequency range on the basis of above-mentioned division again according to the geographic area, and the traffic rarefaction is dropped on the border as far as possible.
The 3rd embodiment of base station controller of the present invention and the difference of first embodiment are: also comprise enquiry module and beep-page message sending module, the registration area that the enquiry module inquiry terminal of base station controller is affiliated at present; Send beep-page message on the carrier frequency that the registration area comprised of beep-page message sending module under at present.
The 4th embodiment of base station controller of the present invention and the difference of second embodiment are: also comprise enquiry module and beep-page message sending module, the registration area that the enquiry module inquiry terminal of base station controller is affiliated at present; Send beep-page message on the carrier frequency that the registration area comprised of beep-page message sending module under at present.
The 3rd embodiment of base station sub-system of the present invention and the difference of first embodiment are: base station controller also comprises enquiry module and beep-page message sending module, the registration area that the enquiry module inquiry terminal of base station controller is affiliated at present; Send beep-page message on the carrier frequency that the registration area comprised of beep-page message sending module under at present.
The 4th embodiment of base station sub-system of the present invention and the difference of second embodiment are: base station controller also comprises enquiry module and beep-page message sending module, the registration area that the enquiry module inquiry terminal of base station controller is affiliated at present; Send beep-page message on the carrier frequency that the registration area comprised of beep-page message sending module under at present.
Because the registration area of the embodiment of the invention is divided according to frequency range, the coverage of multi-frequency network is divided into a plurality of registration areas according to frequency range, therefore only need send beep-page message during the each call terminal of base station sub-system a frequency range, thereby reduced system loading, taking of paging channel is reduced to 1/N, and wherein N is the frequency range number; In addition, owing to selected correct carrier frequency to send beep-page message, therefore guaranteed paging success rate.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the method for a terminal location registration in multi-frequency network is characterized in that, may further comprise the steps:
According to the registration area of dividing, the sign of this registration area of broadcasting in the system message of each registration area; Described registration area is divided according to frequency range, the coverage of multi-frequency network is divided into a plurality of registration areas according to frequency range, and described registration area is also divided according to carrier frequency, and superpose the frequently microzonation of sub-district and single carrier frequency of the overloading in the same frequency range is divided into different registration areas;
The location update message that receiving terminal sends comprises the sign of the new registration area under the terminal in the described location update message;
The position of terminal is updated to new registration area in the described location update message.
2. the method for terminal location registration in multi-frequency network as claimed in claim 1 is characterized in that described registration area is also divided according to the geographic area, and the carrier frequency in the same frequency range is divided according to the geographic area, and the traffic rarefaction is dropped on the border.
3. the method for a call terminal in multi-frequency network is characterized in that may further comprise the steps:
The registration area that inquiry terminal is affiliated at present, described registration area is divided according to frequency range, the coverage of multi-frequency network is divided into a plurality of registration areas according to frequency range, and described registration area is also divided according to carrier frequency, and superpose the frequently microzonation of sub-district and single carrier frequency of the overloading in the same frequency range is divided into different registration areas;
Send beep-page message on the carrier frequency that the registration area comprised under at present.
4. as claimed in claim 3 in multi-frequency network the method for call terminal, it is characterized in that described registration area is also divided according to the geographic area, the carrier frequency in the same frequency range is divided according to the geographic area, the traffic rarefaction is dropped on the border.
5. base station controller is characterized in that comprising:
Broadcast module is used for according to the registration area of dividing, the sign of this registration area of broadcasting in the system message of each registration area; Described registration area is divided according to frequency range, the coverage of multi-frequency network is divided into a plurality of registration areas according to frequency range, and described registration area is also divided according to carrier frequency, and superpose the frequently microzonation of sub-district and single carrier frequency of the overloading in the same frequency range is divided into different registration areas;
The location update message receiver module is used for the location update message that receiving terminal sends, and comprises the sign of the new registration area that terminal is affiliated in the described location update message;
The position update module is used for the position of terminal is updated to the new registration area of described location update message.
6. base station controller as claimed in claim 5 is characterized in that, described base station controller also comprises:
Enquiry module is used for the affiliated at present registration area of inquiry terminal;
The beep-page message sending module is used for sending beep-page message on the carrier frequency that the registration area comprised under at present.
7. a base station sub-system is characterized in that, comprises base station controller, and described base station controller comprises:
Broadcast module is used for according to the registration area of dividing, the sign of this registration area of broadcasting in the system message of each registration area; Described registration area is divided according to frequency range, the coverage of multi-frequency network is divided into a plurality of registration areas according to frequency range, and described registration area is also divided according to carrier frequency, and superpose the frequently microzonation of sub-district and single carrier frequency of the overloading in the same frequency range is divided into different registration areas;
The location update message receiver module is used for the location update message that receiving terminal sends, and comprises the sign of the new registration area that terminal is affiliated in the described location update message;
The position update module is used for the position of terminal is updated to the new registration area of described location update message.
8. base station sub-system as claimed in claim 7 is characterized in that, described base station controller also comprises:
Enquiry module is used for the affiliated at present registration area of inquiry terminal;
The beep-page message sending module is used for sending beep-page message on the carrier frequency that the registration area comprised under at present.
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| CN2007100769841A CN101123809B (en) | 2007-09-12 | 2007-09-12 | Method and device for terminal location registration and paging terminal in multi-frequency network |
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| CN2007100769841A CN101123809B (en) | 2007-09-12 | 2007-09-12 | Method and device for terminal location registration and paging terminal in multi-frequency network |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101668281B (en) * | 2008-09-04 | 2013-06-26 | 中国移动通信集团江西有限公司 | Method for updating position and processing paging conflict, VLR, HLR, GMSC and system |
| CN101610565B (en) * | 2009-06-26 | 2011-11-09 | 北京天碁科技有限公司 | Method and device for searching public land mobile network |
| CN102123498B (en) * | 2011-02-24 | 2014-06-04 | 华为技术有限公司 | Method, device and base station subsystem for paging terminal in multi-band network |
| CN102695242B (en) * | 2012-05-22 | 2015-11-25 | 华为技术有限公司 | Obtain method and the device of terminal band information |
| CN103906179A (en) * | 2012-12-28 | 2014-07-02 | 中国电信股份有限公司 | User terminal frequency support information reporting method and system |
| CN104159298B (en) * | 2013-05-14 | 2017-08-04 | 中国电信股份有限公司 | Send the method, apparatus and system of beep-page message |
| CN105900503B (en) * | 2014-11-27 | 2020-05-15 | 上海朋邦实业有限公司 | Paging method, base station and paging system |
| CN109361562B (en) * | 2018-10-31 | 2020-10-30 | 广东电网有限责任公司信息中心 | Automatic testing method based on associated network equipment access |
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