CN102065461B - Home base station information configuring and processing method and device - Google Patents
Home base station information configuring and processing method and device Download PDFInfo
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- CN102065461B CN102065461B CN 201110021809 CN201110021809A CN102065461B CN 102065461 B CN102065461 B CN 102065461B CN 201110021809 CN201110021809 CN 201110021809 CN 201110021809 A CN201110021809 A CN 201110021809A CN 102065461 B CN102065461 B CN 102065461B
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Abstract
The invention discloses a home base station information configuring and processing method and device. The method comprises the steps of: detecting a macro cell by a home base station when needing to configure a frequency point and a scrambler and obtaining the detected information of an adjacent cell of the macro cell; and detecting the signal intensity of the adjacent cell of the macro cell by the home base station according to the information of the adjacent cell of the macro cell, and determining a frequency point and a scrambler of the home base station according to the detected signal intensity of the adjacent cell of the macro cell and the frequency point and the scrambler used by the adjacent cell. By adopting the method and the device, the quantity of the adjacent cells of the home base station, needing configuring by the macro cell, can be reduced.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to a kind of femtocell information configuration, processing method and equipment thereof.
Background technology
Continuous growth along with the mobile subscriber, for two-forty and more attractive business are provided with lower cost, HNB(Home NodeB, Home eNodeB) is considered to a kind of a kind of typical case that can under home environment, satisfy above-mentioned requirements and uses, and worldwide caused numerous equipment vendors and mainstream carrier's concern and input in the world.HNB equipment is a kind of wireless device of compact low power of plug and play basically, its application scenarios is orientated family or medium-sized and small enterprises as, its function class is similar to a WLAN(Wireless Local Area Networks, WLAN (wireless local area network)) WAP (wireless access point), insert IP network (ISP public network) by common Ethernet interface, the IP network backstage has at the control of HNB and gateway function, to realize the carrier class operation.
At present, the frequency of HNB and scrambler (are scrambler concerning the 3G system, PSC) generally adopt automatic configuration method, be HMS(HNB to HNB Management System, HNB is to the management system of HNB) issue the tabulation of HNB candidate frequency to HNB, HNB measures the received bandwidth total power or the P-CCPCH(master-Common Control Physical Channel of each candidate's frequency) signal strength signal intensity, select to disturb minimum carrier wave as current working frequency points; HNB selects the adjacent area not use or disturb minimum scrambler as working scrambler in the measuring process of current working frequency initiation to the homogeneous-frequency adjacent-domain scrambler.
May dispose numerous HNB under the coverage of a macrocell,, these HNB sub-districts all need be configured in the Neighboring Cell List of this macrocell in order to satisfy mobile demand from macrocell to the HNB sub-district.And the macrocell maximum can dispose 32 co-frequency neighbor cells, 32 iso-frequency adjacent communities and 32 adjacent sub-districts of different system.
Because HNB generally belongs to personal device, number is numerous, and switch do not have rule, and the mobility between HNB sub-district and the macrocell, particularly macrocell are the problems of a needs solution to the mobility of HNB sub-district.
The inventor finds that there is following problem at least in prior art in realizing process of the present invention:
At present frequency and the scrambling code collocation method of HNB, the frequency point scrambling code reusing degree between the different HNB is low, can surpass the restriction of macrocell list size with the HNB number of cells of macrocell adjacent area, causes and all HNB sub-districts can't be contained.In addition, HNB generally belongs to personal device, and switch does not have rule, frequency and the scrambling code collocation method of present HNB, the frequent updating that can cause macrocell to be broadcasted.
Summary of the invention
The object of the present invention is to provide a kind of femtocell information collocation method and Home eNodeB, in order to reduce the Home eNodeB adjacent area number that macrocell need dispose, for this reason, the embodiment of the invention adopts following technical scheme:
A kind of femtocell information collocation method may further comprise the steps:
Home eNodeB detects macrocell when needs configuration frequency and scrambler, and obtains the neighboring BS information of detected macrocell;
Described Home eNodeB detects the signal strength signal intensity of this macrocell adjacent area according to the neighboring BS information of described macrocell, and, determine the frequency and the scrambler of described Home eNodeB oneself according to frequency and the scrambler that use signal strength signal intensity and this adjacent area of detected described macrocell adjacent area.
A kind of Home eNodeB comprises:
Detection module is used for the detected cells signal strength signal intensity;
Acquisition module is used for indication detection module detection macrocell when Home eNodeB need dispose frequency and scrambler, and obtains the neighboring BS information of detected macrocell;
Determination module, be used for indicating described detection module to detect the signal strength signal intensity of this macrocell adjacent area according to the neighboring BS information of described macrocell, and, determine the frequency and the scrambler of described Home eNodeB oneself according to frequency and the scrambler that use signal strength signal intensity and this adjacent area of detected described macrocell adjacent area.
In the above embodiment of the present invention, Home eNodeB is by the signal strength signal intensity of the adjacent area of its adjacent macrocell of detection, and the frequency and the scrambler that use according to signal strength signal intensity and this adjacent area of the adjacent area of detected described macrocell, determine the frequency and the scrambler of described Home eNodeB oneself, thereby can allow Home eNodeB try one's best multiplexing the macrocell frequency of configuring adjacent cell and scrambler or reduce actual frequency and the scrambler number that uses, thereby reduce the Home eNodeB adjacent area number that macrocell need dispose, and then avoid the frequent change of macrocell neighbor cell configuration on every side.
Another object of the present invention is to provide a kind of femtocell information processing method and Home eNodeB, in order to realize the processing of radio network controller to femtocell information, for this reason, the embodiment of the invention adopts following technical scheme:
A kind of femtocell information processing method may further comprise the steps:
Radio network controller receives femtocell information, comprise the frequency of this Home eNodeB and scrambler, cell ID, user's access information in the information of described Home eNodeB, and Neighboring Cell List, described Neighboring Cell List comprises the cell ID of the macrocell in the Neighboring Cell List that adds this Home eNodeB to;
Described radio network controller is saved in described femtocell information in the actual adjacent area database and user's access information database of described macrocell; Comprise cell ID, frequency and scrambler and cell type in the neighboring BS information of the sub-district of preserving in the database of described actual adjacent area; Described user's access information database comprises the cell ID and the tabulation of user's access of the home base station cells of closed mode;
Wherein, described macrocell is the macrocell that adds in the Neighboring Cell List of this Home eNodeB.
A kind of radio network controller comprises:
Receiver module, be used to receive femtocell information, comprise the frequency of this Home eNodeB and scrambler, cell ID, user's access information in the information of described Home eNodeB, and Neighboring Cell List, described Neighboring Cell List comprises the cell ID of the macrocell in the Neighboring Cell List that adds this Home eNodeB to;
Memory module is used for described femtocell information is saved in actual adjacent area database and user's access information database of described macrocell; Comprise cell ID, frequency and scrambler and cell type in the neighboring BS information of the sub-district of preserving in the database of described actual adjacent area; Described user's access information database comprises the cell ID and the tabulation of user's access of the home base station cells of closed mode;
Wherein, described macrocell is the macrocell that adds in the Neighboring Cell List of this Home eNodeB.
In the above embodiment of the present invention, radio network controller can receive the information of Home eNodeB and preserve, for radio network controller carries out the maintenance of femtocell information and neighboring BS information, and carry out other processing based on femtocell information and neighboring BS information technical support is provided.
Description of drawings
The HNB system information configuration flow schematic diagram that Fig. 1 provides for the embodiment of the invention;
The HNB system information configuration flow schematic diagram that Fig. 2 offers for another embodiment of the present invention;
The RNC indicating user terminal that Fig. 3 provides for the embodiment of the invention carries out the schematic flow sheet of nearby region measurement;
The RNC that Fig. 4 provides for the embodiment of the invention carries out the schematic flow sheet of switch decision;
The structural representation of the Home eNodeB that Fig. 5 provides for the embodiment of the invention;
The structural representation of the radio network controller that Fig. 6 provides for the embodiment of the invention.
Embodiment
At the problem that prior art exists, the embodiment of the invention has proposed the collocation method of a kind of HNB frequency and scrambler, can satisfy the mobile demand from macrocell to the HNB sub-district preferably.In the embodiment of the invention, the HNB multiplexing macrocell frequency and the scrambler of configuring adjacent cell around it of trying one's best, that is, the frequency of configuring adjacent cell and scrambler are as own working frequency points and scrambler preferentially to select macrocell around it, and the Recombinant Interferon that needs only on this frequency and the scrambler meets the demands.Wherein, described adjacent area can be the alien frequencies adjacent area, also can be the HNB adjacent area.
Below in conjunction with accompanying drawing the embodiment of the invention is described in detail.
Referring to Fig. 1, the HNB system information configuration flow schematic diagram that provides for the embodiment of the invention.The network configuration that this flow process relates to comprises HNB, HMS, grand network mesh guard system and RNC(Radio Network Controller, radio network controller).As shown in the figure, when HNB need dispose frequency and scrambler, as when starting, or be in operation when needing to upgrade frequency and scrambler, the flow process of HNB configuration frequency and scrambler can comprise:
Step 101, the signal strength signal intensity of each sub-district around HNB detects, the pilot channel of each sub-district or the signal strength signal intensity of broadcast channel are selected the home macro-cell of a macrocell of measure signal intensity maximum as this HNB around for example detecting.For convenience of description, in this flow process this HNB is called HNB a, the macrocell that HNB a is belonged to is called macrocell A.
Step 102, HNB a reads its neighboring BS information from macrocell A broadcast, according to the neighboring BS information that reads all adjacent areas of macrocell A are measured.
Further, in order to reduce the interference of HNB a, can only measure the alien frequencies adjacent area of macrocell A to macrocell A.If network planning HNB uses special-purpose frequency and scrambler, then also can only measure the HNB adjacent area of macrocell A.
Step 103, HNB is in the adjacent area that step 102 is measured, if there is an adjacent area, its signal strength signal intensity is the most weak and be lower than default thresholding, then working frequency points and the scrambler of electing the frequency and the scrambler of this adjacent area as HNB a; If there is no such adjacent area then can be selected working frequency points and the scrambler of HNB a according to old process.This thresholding can guarantee that each other the interference when using identical frequency and scrambler of two sub-districts is enough little, and to satisfy business need, concrete value can be determined according to emulation or actual conditions.
Further, in order to reduce the influence that the HNB switch brings the macrocell adjacent-area list renewing, can be preferentially from being the adjacent area of macrocell, the type of measuring in step 102 checks, if having a type is the adjacent area of macrocell, its signal strength signal intensity is the most weak and be lower than certain threshold value, then working frequency points and the scrambler of electing the frequency and the scrambler of this adjacent area as HNB a; If there is no such type is the adjacent area of macrocell, then the type that can measure in step 102 be to search the adjacent area that meets the demands in the adjacent area of HNB, if it is the most weak and be lower than default thresholding to find type and be the signal strength signal intensity of sub-district of HNB, then be the frequency of adjacent area of HNB and scrambler frequency and scrambler as HNB a with the type that finds.
Step 104, HNB a is configured to macrocell A in its Neighboring Cell List, and working frequency points that oneself is selected and scrambler and neighboring BS information (be the information of macrocell A, as cell ID (CID) etc.) report HMS then.
Step 105, HMS is notified to the information of HNB a the network management system at macrocell place.Wherein, the information of HNB can comprise the cell ID (CID) of HNB a, closed signed user group id (CSG ID), and frequency, scramblers etc. also can comprise the neighboring BS information of HNB a.
Step 106, the network management system at macrocell place further are notified to HNB information the RNC at macrocell place.
Step 107, RNC is saved in the information of the HNB a that receives in the actual adjacent area database and user's access database of macrocell A, and can according to circumstances determine whether to upgrade the neighboring BS information of macrocell A.
Concrete, RNC receives frequency and the scrambler that whether has existed HNB a to use in the Neighboring Cell List that the adjacent area (being macrocell A) of inspection HNB a is disposed earlier after the HNB a information, if there is no, then HNB a sub-district is added to (frequency and the scrambler that are about to HNB a add in this Neighboring Cell List) in its Neighboring Cell List, and upgrade (can be to upgrade immediately or after a while) this macrocell A system broadcasts; If exist, then need not upgrade Neighboring Cell List and the system broadcasts of macrocell A.RNC is saved in the information of HNB a in the actual adjacent area database and user's access database of macrocell A.Here preserved all neighboring BS information of sub-district in the database of actual adjacent area, as CID, frequency, scrambler and cell type (as macrocell, open mode HNB or closed mode HNB); Described user's access information database has been preserved the cell ID of HNB sub-district of closed mode and the tabulation of user's access etc., and the Neighboring Cell List of sub-district generally has only frequency, information such as scrambler, use identical frequency and scrambler if therefore two or more adjacent areas are arranged in the database of actual adjacent area, they can regard an adjacent area as in Neighboring Cell List for that, and the Neighboring Cell List of sub-district generally can occur in the metrical information of cell system broadcasting.
In the above-mentioned flow process, by step 201 ~ 204, HNB can select to go to work and make frequency and scrambler, and subsequent step 104 ~ 107 is selected information configuration process behind working frequency points and the scrambler for HNB.
By above flow process as can be seen, dispose if desired the HNB sub-district of frequency and scrambler can the multiplexing macrocell that it is belonged to the frequency and the scrambler of existing adjacent area, the adding of this HNB just can not influence the configuring neighbor cell list of this macrocell so, thereby do not need to upgrade the system broadcasts of this macrocell, can satisfy the movement requirement of this macrocell simultaneously again to this HNB sub-district.
If HNB is positioned at cell edge, the signal strength signal intensity that then may detect a plurality of macrocells is all more intense, and each macrocell is all needed satisfied mobility demand from macrocell to the HNB sub-district.In order to reach above-mentioned requirements at this situation, another embodiment of the present invention has been carried out further optimization to flow process shown in Figure 1, and the flow process after the optimization can be as shown in Figure 2.
Referring to Fig. 2, the HNB system information configuration flow schematic diagram for the embodiment of the invention provides when HNB need dispose frequency and scrambler, as when starting, or is in operation when needing to upgrade frequency and scrambler, and the flow process of HNB configuration frequency and scrambler can comprise:
Step 201, the signal strength signal intensity (for example signal strength signal intensity of pilot channel or broadcast channel) of each sub-district around HNB detects is selected the macrocell of measure signal intensity greater than setting threshold.
In this step, for the HNB that is positioned at cell edge, it can detect the macrocell of a plurality of signal strength signal intensities greater than setting threshold.Present embodiment is described at this situation, for convenience of description, this HNB is called HNB a, and its detected a plurality of macrocells comprise macrocell A, macrocell B and macrocell C.
Step 202, HNB a reads neighboring BS information respectively from macrocell A, macrocell B and macrocell C broadcasting, all adjacent areas of each macrocell are measured.
Further, in order to reduce the interference of HNB a, can only measure the alien frequencies adjacent area of these macrocells to these macrocells.If network planning HNB uses special-purpose frequency and scrambler, then also can only measure the HNB adjacent area of these macrocells.
Step 203, HNB a is in the adjacent area that step 202 is measured, and in the adjacent area with each macrocell, signal strength signal intensity is lower than the employed frequency in adjacent area of certain thresholding and scrambler candidate's frequency and the scrambler as HNB a.Wherein, the value of this thresholding can guarantee that each other the interference when using identical frequency and scrambler of two sub-districts is enough little, and to satisfy business need, concrete value can be determined according to emulation or actual conditions.
Step 204, HNB a selects one group of frequency and scrambler (an employed frequency in sub-district and scrambler being called one group of frequency and scrambler herein) from all candidate's frequencies and scrambler, the frequency that this group frequency and scrambler occur in the neighboring BS information of macrocell A, macrocell B and macrocell C the highest (promptly the frequency used by described each adjacent area of this candidate's frequency and scrambler is the highest), HNB a is with the frequency selected and scrambler working frequency points and the scrambler as HNB a.
Further,, then can from the sub-district of using these frequencies and scrambler, select the most weak sub-district of detection signal strength, with the employed frequency in this sub-district and scrambler working frequency points and scrambler as HNB a if such candidate's frequency and the scramblers of many groups are arranged.
Further, if do not have such candidate's frequency and scrambler, then HNB a can select working frequency points and scrambler according to old process.
Step 205, HNB a is configured to these macrocells (macrocell A, macrocell B and macrocell C) in the Neighboring Cell List of HNB a, working frequency points that oneself is selected and scrambler and neighboring BS information (be the information of these macrocells, as CID etc.) report HMS then.
Step 206, HMS is notified to HNB information (as CID, CSG ID, frequency, scrambler etc.) network management system at these macrocell places.
Step 207 ~ 208, the network management system at macrocell place further is notified to HNB a information the RNC at macrocell place, this RNC is saved in the information of the HNB a that receives in the actual adjacent area database user access information database of macrocell A, macrocell B and macrocell C, and can according to circumstances determine whether to upgrade the neighboring BS information of macrocell A, macrocell B and macrocell C.
In this step, for each macrocell, process is added in its adjacent area can be with step 107 shown in Figure 1.
In the above-mentioned flow process, by step 201 ~ 204, HNB can select to go to work and make frequency and scrambler, and subsequent step 205 ~ 208 is selected information process behind working frequency points and the scrambler for HNB.
By above flow process as can be seen, dispose if desired the HNB sub-district of frequency and scrambler can be multiplexing frequency and the scrambler that use the adjacent area of most of macrocells around it, the adding of this HNB just can not influence the neighbor cell configuration and the system broadcasts of these macrocells, only needs to upgrade the neighbor cell configuration and the system broadcasts of other minority macrocells.
At above-mentioned flow process according to the present invention or old process, after HNB has disposed frequency and scrambler, when the RNC indicating user terminal carries out nearby region measurement, when RNC carries out switch decision, and during the situations such as neighbor cell of information change of macrocell, the actual adjacent area database that can use the macrocell that RNC preserves is or/and Neighboring Cell List.To this, the embodiment of the invention is also corresponding to provide following solution:
Scheme one, RNC indicating user terminal carry out the implementation procedure of nearby region measurement:
RNC is when sending the measurement control messages to user terminal, can generate measurement neighboring BS information unit according to the authority and the information in the database of actual adjacent area of user terminal, promptly according to sub-district, the current place of this user terminal, from the actual adjacent area database of this sub-district, select several neighbor cell configuration that this user terminal can insert in the Neighboring Cell List of measuring in the control messages, so that this user terminal can carry out nearby region measurement according to this Neighboring Cell List of measuring in the neighboring BS information unit.
The specific implementation process can comprise as shown in Figure 3:
Step 301 ~ 302, RNC is by initiating query requests to user's access information database, and to obtain user's access sub-district ID, wherein, portability user's IMSI in the query requests is with user's access sub-district ID of acquisition request correspondence.
Step 303 ~ 304, RNC is according to the ID of this user terminal current area, by initiating query requests to actual adjacent area database, to obtain the neighboring BS information of current area.
Step 305, RNC is according to the neighboring BS information of the access sub-district ID that acquires and this user terminal current area, selects the adjacent area that user terminal can access, and with the information configuration of the adjacent area selected in the Neighboring Cell List of measuring control messages.
Step 306, RNC sends to user terminal and measures control messages, wherein carries Neighboring Cell List, so that this user terminal is measured the adjacent area shown in the indication in this Neighboring Cell List.
Scheme two, RNC carry out the implementation procedure of switch decision:
RNC is when doing switch decision, if the Target cell of selecting according to measurement result has only frequency and scrambling code information (being the situation that user terminal does not report cid information), and in the database of the actual adjacent area of source macrocell, exist all identical with scrambler and adjacent area that user terminal can insert has a plurality of with this frequency, then RNC can notify these adjacent areas to distribute switchable resource simultaneously, waits for that user terminal inserts.In case user terminal inserts certain adjacent area wherein, then notify other adjacent areas to discharge switchable resource.
The specific implementation process can be as shown in Figure 4, wherein, suppose that the source macrocell is sub-district A, RNC determines the frequency and the scrambler of Target cell according to measurement result, search the sub-district of using this frequency and scrambler from the adjacent area (can obtain) of user's access according to flow process shown in Figure 3, the result is sub-district B and sub-district C, and user terminal finally inserts from sub-district B.Its process can comprise:
Step 401 ~ 402, RNC carries out switch decision according to the measurement report of user terminal, determines the frequency and the scrambler of Target cell.
Step 403, RNC can search the adjacent area of using this frequency and scrambler the adjacent area of access from the user, finds the adjacent area and comprises sub-district B and sub-district C.
Step 404, RNC prepares switchable resource to sub-district B and sub-district C indication respectively.
Step 405 ~ 408, RNC sends switching command to user terminal, and user terminal is carried out and is switched, and inserts at Target cell (sub-district B), and sub-district B sends the user to RNC and inserts indication, and user terminal sends handoff completion message to RNC.
Step 409, RNC notification source sub-district (sub-district A) source of release local resource.
Step 410, RNC notifying cell C discharges switchable resource.
Step in the above-mentioned flow process does not have the strict sequential order requirement, and such as the execution sequence interchangeable of step 409 and step 410, step 409 and step 410 also can executed in parallel.
The processing procedure of the neighbor cell of information change of scheme three, macrocell, according to the neighbor cell of information change type, as deletion, increase and change, this process can be divided into:
In the time need deleting certain adjacent area from the adjacent area of macrocell, RNC at first deletes this adjacent area from the actual adjacent area database of this macrocell, checks that then whether frequency and the scrambler that use this adjacent area also have other adjacent areas to use, if having, then do not deal with; Otherwise, this frequency and scrambler are deleted from the Neighboring Cell List of this macrocell, and are upgraded (can be to upgrade immediately or after a while) this macrocell system broadcasting.
When increasing an adjacent area in need the adjacent area at macrocell, processing procedure step 107 basic and in the flow process shown in Figure 1 is identical, and wherein " HNB " usefulness " newly-increased adjacent area " replaces, and is macrocell or HNB sub-district regardless of increasing the adjacent area newly promptly, handles all identical.Concrete, process with increase adjacent area in macrocell A is an example, RNC checks frequency and the scrambler that whether has existed this newly-increased adjacent area to use in the Neighboring Cell List of macrocell A earlier after receiving the information that increases the adjacent area newly, if there is no, then this newly-increased adjacent area is added in the Neighboring Cell List of macrocell A, and upgrade the system broadcasts of (can be to upgrade immediately or after a while) macrocell A; If exist, then need not upgrade Neighboring Cell List and the system broadcasts of macrocell A.The information that RNC will increase the adjacent area newly is saved in the actual adjacent area database of macrocell A.
In the time need changing to certain the adjacent area frequency in the adjacent area of macrocell or scrambling code information, RNC is equivalent to carry out two processes in front, with this adjacent area deletion (according to frequency and scrambler before changing), again this adjacent area is increased (according to frequency and scrambler after changing) earlier.
Based on identical technical conceive, the embodiment of the invention also provides a kind of household base station device and radio network controller that can be applicable to the above-mentioned flow process of the embodiment of the invention.
Referring to Fig. 5, the structural representation of the Home eNodeB that provides for the embodiment of the invention.As shown in the figure, this Home eNodeB can comprise:
In the above-mentioned Home eNodeB, acquisition module 501 can be according to the signal strength signal intensity of each sub-district that receives, and selects a macrocell of signal strength signal intensity maximum, and obtains the neighboring BS information of this macrocell according to the broadcast message of the selected macrocell that goes out.Accordingly, determination module 503 can be according to the signal strength signal intensity of the adjacent area of detected described macrocell, from the adjacent area of this macrocell, select signal strength signal intensity the most weak and be lower than an adjacent area of setting threshold, and with the frequency of this adjacent area and scrambler as the frequency and the scrambler that are described Home eNodeB.
In the above-mentioned Home eNodeB, acquisition module 502 can be according to the signal strength signal intensity of each sub-district that receives, select signal strength signal intensity at least one macrocell, and obtain the neighboring BS information of described each macrocell according to the broadcast message of selected each macrocell that goes out greater than setting threshold.Accordingly, determination module 503 can be according to the signal strength signal intensity of the adjacent area of detected each macrocell, therefrom selects signal strength signal intensity to be lower than the adjacent area of setting threshold, and the frequency of each adjacent area that will select and scrambler are as the candidate's frequency and the scrambler of described Home eNodeB; Add up the frequency that each candidate's frequency and scrambler are used by described each adjacent area, and select the highest candidate's frequency of frequency of utilization and scrambler frequency and scrambler as described Home eNodeB.
Further, determination module 503 is when judging at the highest candidate's frequency of frequency of utilization and scrambler when being a plurality of, can be from the sub-district of the highest candidate's frequency of the described frequency of described use and scrambler, select the most weak sub-district of signal strength signal intensity, and with the frequency of this sub-district and scrambler frequency and the scrambler as described Home eNodeB.
In the above-mentioned Home eNodeB, determination module 503 specifically is used for, detect that type is the signal strength signal intensity of the adjacent area of macrocell in the adjacent area of described macrocell, and when detecting signal strength signal intensity and be lower than the adjacent area of setting threshold, according to frequency and the scrambler that use this adjacent area, determine the frequency and the scrambler of described Home eNodeB oneself; Signal strength signal intensity is lower than setting threshold and type is the adjacent area of macrocell if described Home eNodeB does not detect, detect then that type is the signal strength signal intensity of the adjacent area of home base station cells in the adjacent area of described macrocell, and when detecting signal strength signal intensity and be lower than the adjacent area of setting threshold, according to frequency and the scrambler that use this adjacent area, determine the frequency and the scrambler of described Home eNodeB oneself.
In the above-mentioned Home eNodeB, detection module 501 can detect the signal strength signal intensity of the alien frequencies adjacent area of described macrocell, or detects the signal strength signal intensity of the Home eNodeB adjacent area of described macrocell.
Referring to Fig. 6, the structural representation of the radio network controller that provides for the embodiment of the invention, as shown in the figure, this radio network controller can comprise:
In the above-mentioned radio network controller, memory module 602 can be after receiver module 601 receives the frequency and scrambler and neighboring BS information of described Home eNodeB, judge the frequency and the scrambler that whether exist described Home eNodeB to use in the Neighboring Cell List that the adjacent area disposed of described Home eNodeB, and be judged as when not existing, the frequency and the scrambler of described Home eNodeB added in this Neighboring Cell List.
Above-mentioned radio network controller also can comprise: measure indicating module 603, be used for when the needs indicating user terminal carries out nearby region measurement, according to sub-district, the current place of described user terminal, the adjacent area of from the actual adjacent area database of this sub-district, selecting described user terminal to insert, and the neighboring BS information of selecting sent to described user terminal.
Above-mentioned radio network controller also can comprise: hand-off process module 604, be used for when carrying out switch decision, have only frequency and scrambling code information at Target cell, and in the database of the actual adjacent area of source macrocell, exist all identical with scrambler and adjacent area that user terminal can insert has when a plurality of with described frequency, notify described a plurality of adjacent area to distribute switchable resource, and when described user terminal inserts one of them adjacent area, notify other adjacent areas to discharge switchable resource.
Above-mentioned radio network controller also can comprise: adjacent area database maintenance module 605, be used for when need be from deletion adjacent area, the adjacent area of macrocell, described adjacent area is deleted from the actual adjacent area database of described macrocell, and judge whether frequency and the scrambler that use described adjacent area are also used by other adjacent areas, and when being judged as not, described frequency and scrambler are deleted from the Neighboring Cell List of described macrocell; When increasing the adjacent area in need adjacent area at macrocell, judge the frequency and the scrambler that whether have existed this newly-increased adjacent area to use in the Neighboring Cell List of described macrocell, and be judged as when not existing, this newly-increased adjacent area is added in the Neighboring Cell List of described macrocell, and the information that will increase the adjacent area newly is saved in the actual adjacent area database of described macrocell; When the adjacent area frequency of needs changes macrocell or scrambler, described adjacent area is deleted from the actual adjacent area database of described macrocell, and judge whether frequency and the scrambler that use described adjacent area are also used by other adjacent areas, and when being judged as not, described frequency and scrambler are deleted from the Neighboring Cell List of described macrocell; Then, described radio network controller is judged frequency and the scrambler that whether has existed this newly-increased adjacent area to use in the Neighboring Cell List of described macrocell, and be judged as when not existing, this newly-increased adjacent area is added in the Neighboring Cell List of described macrocell, and the information that will increase the adjacent area newly is saved in the actual adjacent area database of described macrocell.
In sum, HNB frequency and scrambling code collocation method and device that the embodiment of the invention proposes, can allow HNB try one's best multiplexing the macrocell frequency of configuring adjacent cell and scrambler or reduce actual frequency and the scrambler number that uses, thereby reduce the HNB adjacent area number that macrocell need dispose, and avoid the frequent change of macrocell neighbor cell configuration on every side, can satisfy again terminal from macrocell on every side to the mobile demand of HNB sub-district.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a station terminal equipment (can be mobile phone, personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be looked protection scope of the present invention.
Claims (32)
1. a femtocell information is joined the Ge method, it is characterized in that, may further comprise the steps:
Home eNodeB detects macrocell when needs Pei Ge frequency and scrambler, and obtains the neighboring BS information of detected macrocell;
Described Home eNodeB detects the signal strength signal intensity of this macrocell adjacent area according to the neighboring BS information of described macrocell, and, determine the frequency and the scrambler of described Home eNodeB oneself according to frequency and the scrambler that use signal strength signal intensity and this adjacent area of detected described macrocell adjacent area;
Wherein, described Home eNodeB is determined the frequency and the scrambler of described Home eNodeB oneself according to the signal strength signal intensity of detected described macrocell adjacent area and the frequency and the scrambler of this adjacent area use, is specially:
Described Home eNodeB detects that type is the signal strength signal intensity of the adjacent area of macrocell in the adjacent area of described macrocell, and when detecting signal strength signal intensity and be lower than the adjacent area of setting threshold, according to frequency and the scrambler that use this adjacent area, determine the frequency and the scrambler of described Home eNodeB oneself;
Signal strength signal intensity is lower than setting threshold and type is the adjacent area of macrocell if described Home eNodeB does not detect, detect then that type is the signal strength signal intensity of the adjacent area of home base station cells in the adjacent area of described macrocell, and when detecting signal strength signal intensity and be lower than the adjacent area of setting threshold, according to frequency and the scrambler that use this adjacent area, determine the frequency and the scrambler of described Home eNodeB oneself.
2. the method for claim 1 is characterized in that, described Home eNodeB detects macrocell, and obtains the neighboring BS information of detected macrocell, is specially:
Described Home eNodeB is selected a macrocell of signal strength signal intensity maximum according to the signal strength signal intensity of each sub-district that receives, and obtains the neighboring BS information of this macrocell according to the broadcast message of the selected macrocell that goes out.
3. method as claimed in claim 2 is characterized in that, described Home eNodeB is determined the frequency and the scrambler of described Home eNodeB oneself according to the signal strength signal intensity of detected described macrocell adjacent area and the frequency and the scrambler of this adjacent area use, is specially:
Described Home eNodeB is according to the signal strength signal intensity of the adjacent area of detected described macrocell, from the adjacent area of this macrocell, select signal strength signal intensity the most weak and be lower than an adjacent area of setting threshold, and with the frequency of this adjacent area and scrambler as the frequency and the scrambler that are described Home eNodeB.
4. the method for claim 1 is characterized in that, described Home eNodeB detects macrocell, and obtains the neighboring BS information of detected macrocell, is specially:
Described Home eNodeB is selected signal strength signal intensity at least one macrocell greater than setting threshold according to the signal strength signal intensity of each sub-district that receives, and obtains the neighboring BS information of described each macrocell according to the broadcast message of selected each macrocell that goes out.
5. method as claimed in claim 4 is characterized in that, described Home eNodeB is determined the frequency and the scrambler of described Home eNodeB oneself according to the signal strength signal intensity of detected described macrocell adjacent area and the frequency and the scrambler of this adjacent area use, is specially:
Described Home eNodeB is according to the signal strength signal intensity of the adjacent area of detected each macrocell, therefrom selects signal strength signal intensity to be lower than the adjacent area of setting threshold, and the frequency of each adjacent area that will select and scrambler are as the candidate's frequency and the scrambler of described Home eNodeB;
Described Home eNodeB is added up the frequency that each candidate's frequency and scrambler are used by described each adjacent area, and selects the highest candidate's frequency of frequency of utilization and scrambler frequency and the scrambler as described Home eNodeB.
6. method as claimed in claim 5, it is characterized in that, if the highest candidate's frequency and the scrambler of frequency of utilization is a plurality of, then described Home eNodeB is from the sub-district of the highest candidate's frequency of the described frequency of described use and scrambler, select the most weak sub-district of signal strength signal intensity, and with the frequency of this sub-district and scrambler frequency and the scrambler as described Home eNodeB.
7. as each described method of claim 1 to 6, it is characterized in that described Home eNodeB detects the signal strength signal intensity of described macrocell adjacent area, is specially:
Described Home eNodeB detects the signal strength signal intensity of the alien frequencies adjacent area of described macrocell, or detects the signal strength signal intensity of the Home eNodeB adjacent area of described macrocell.
8. as each described method of claim 1 to 6, it is characterized in that this method also comprises:
Described Home eNodeB joins macrocell in the Neighboring Cell List of this Home eNodeB after determining the frequency and scrambler of oneself, and with this femtocell information, reports the radio network controller at described macrocell place by network management system;
Described radio network controller is saved in described femtocell information in the actual adjacent area database and user's access information database of described macrocell;
Wherein, described femtocell information comprises: the frequency of Home eNodeB, scrambler, cell ID, user's access information, neighboring BS information, and described neighboring BS information comprises the cell ID that adds described macrocell to; Comprise cell ID, frequency and scrambler and cell type in the neighboring BS information of the sub-district of preserving in the database of described actual adjacent area; Described user's access information database comprises the cell ID and the tabulation of user's access of the home base station cells of closed mode; Described macrocell is that macrocell in the Neighboring Cell List of this Home eNodeB is or/and the detected macrocell of this Home eNodeB.
9. method as claimed in claim 8 is characterized in that, the Neighboring Cell List of described Home eNodeB specifically comprises the Neighboring Cell List on the broadcast channel of described Home eNodeB or measures Neighboring Cell List in the control messages.
10. method as claimed in claim 8 is characterized in that, described radio network controller also comprises after receiving described femtocell information:
Described radio network controller is judged frequency and the scrambler that whether exists described Home eNodeB to use in the Neighboring Cell List of described macrocell Suo Pei Ge, and being judged as when not existing, described Home eNodeB is added in the Neighboring Cell List of this macrocell.
11. method as claimed in claim 8 is characterized in that, this method also comprises:
When described radio network controller needs indicating user terminal to carry out nearby region measurement, described radio network controller is according to sub-district, the current place of described user terminal, the adjacent area of from the actual adjacent area database of this sub-district, selecting described user terminal to insert, and the neighboring BS information of selecting sent to described user terminal.
12. method as claimed in claim 8, it is characterized in that, this method also comprises: when described RNC carries out switch decision, if have only frequency and scrambling code information at Target cell, and in the database of the actual adjacent area of source macrocell, exist all identical with scrambler and adjacent area that user terminal can insert has a plurality of with described frequency, then described radio network controller notifies described a plurality of adjacent area to distribute switchable resource, and when described user terminal inserts one of them adjacent area, notify other adjacent areas to discharge switchable resource.
13. method as claimed in claim 8 is characterized in that, this method also comprises:
In the time need from the adjacent area of macrocell, deleting the adjacent area, described radio network controller is deleted described adjacent area from the actual adjacent area database of described macrocell, and judge whether frequency and the scrambler that use described adjacent area are also used by other adjacent areas, and when being judged as not, described frequency and scrambler are deleted from the Neighboring Cell List of described macrocell;
When increasing the adjacent area in need adjacent area at macrocell, described radio network controller is judged frequency and the scrambler that whether has existed this newly-increased adjacent area to use in the Neighboring Cell List of described macrocell, and be judged as when not existing, this newly-increased adjacent area is added in the Neighboring Cell List of described macrocell, and the information that will increase the adjacent area newly is saved in the actual adjacent area database of described macrocell;
When the adjacent area frequency of needs changes macrocell or scrambler, described radio network controller is deleted described adjacent area from the actual adjacent area database of described macrocell, and judge whether frequency and the scrambler that use described adjacent area are also used by other adjacent areas, and when being judged as not, described frequency and scrambler are deleted from the Neighboring Cell List of described macrocell; Then, described radio network controller is judged frequency and the scrambler that whether has existed this newly-increased adjacent area to use in the Neighboring Cell List of described macrocell, and be judged as when not existing, this newly-increased adjacent area is added in the Neighboring Cell List of described macrocell, and the information that will increase the adjacent area newly is saved in the actual adjacent area database of described macrocell.
14. a Home eNodeB is characterized in that, comprising:
Detection module is used for the detected cells signal strength signal intensity;
Acquisition module is used for indication detection module detection macrocell when Home eNodeB need be joined Ge frequency and scrambler, and obtains the neighboring BS information of detected macrocell;
Determination module, be used for indicating described detection module to detect the signal strength signal intensity of this macrocell adjacent area according to the neighboring BS information of described macrocell, and, determine the frequency and the scrambler of described Home eNodeB oneself according to frequency and the scrambler that use signal strength signal intensity and this adjacent area of detected described macrocell adjacent area;
Wherein, described determination module specifically is used for, and detects that type is the signal strength signal intensity of the adjacent area of macrocell in the adjacent area of described macrocell, and when detecting signal strength signal intensity and be lower than the adjacent area of setting threshold, according to frequency and the scrambler that use this adjacent area, determine the frequency and the scrambler of described Home eNodeB oneself; Signal strength signal intensity is lower than setting threshold and type is the adjacent area of macrocell if described Home eNodeB does not detect, detect then that type is the signal strength signal intensity of the adjacent area of home base station cells in the adjacent area of described macrocell, and when detecting signal strength signal intensity and be lower than the adjacent area of setting threshold, according to frequency and the scrambler that use this adjacent area, determine the frequency and the scrambler of described Home eNodeB oneself.
15. Home eNodeB as claimed in claim 14, it is characterized in that described acquisition module specifically is used for, according to the signal strength signal intensity of each sub-district that receives, select a macrocell of signal strength signal intensity maximum, and obtain the neighboring BS information of this macrocell according to the broadcast message of the selected macrocell that goes out.
16. Home eNodeB as claimed in claim 15, it is characterized in that, described determination module specifically is used for, signal strength signal intensity according to the adjacent area of detected described macrocell, from the adjacent area of this macrocell, select signal strength signal intensity the most weak and be lower than an adjacent area of setting threshold, and with the frequency of this adjacent area and scrambler as the frequency and the scrambler that are described Home eNodeB.
17. Home eNodeB as claimed in claim 14, it is characterized in that, described acquisition module specifically is used for, signal strength signal intensity according to each sub-district that receives, select signal strength signal intensity at least one macrocell, and obtain the neighboring BS information of described each macrocell according to the broadcast message of selected each macrocell that goes out greater than setting threshold.
18. Home eNodeB as claimed in claim 17, it is characterized in that, described determination module specifically is used for, signal strength signal intensity according to the adjacent area of detected each macrocell, therefrom select signal strength signal intensity to be lower than the adjacent area of setting threshold, and the frequency of each adjacent area that will select and scrambler are as the candidate's frequency and the scrambler of described Home eNodeB; Add up the frequency that each candidate's frequency and scrambler are used by described each adjacent area, and select the highest candidate's frequency of frequency of utilization and scrambler frequency and scrambler as described Home eNodeB.
19. Home eNodeB as claimed in claim 18, it is characterized in that, when described determination module is a plurality of at the highest candidate's frequency of frequency of utilization and scrambler, from the sub-district of the highest candidate's frequency of the described frequency of described use and scrambler, select the most weak sub-district of signal strength signal intensity, and with the frequency of this sub-district and scrambler frequency and the scrambler as described Home eNodeB.
20., it is characterized in that described detection module specifically is used for, detect the signal strength signal intensity of the alien frequencies adjacent area of described macrocell, or detect the signal strength signal intensity of the Home eNodeB adjacent area of described macrocell as each described Home eNodeB of claim 14 to 19.
21. a femtocell information processing method is characterized in that, may further comprise the steps:
Radio network controller receives femtocell information, comprise the frequency of this Home eNodeB and scrambler, cell ID, user's access information in the information of described Home eNodeB, and Neighboring Cell List, described Neighboring Cell List comprises the cell ID of the macrocell in the Neighboring Cell List that adds this Home eNodeB to;
Described radio network controller is saved in described femtocell information in the actual adjacent area database and user's access information database of described macrocell; Comprise cell ID, frequency and scrambler and cell type in the neighboring BS information of the sub-district of preserving in the database of described actual adjacent area; Described user's access information database comprises the cell ID and the tabulation of user's access of the home base station cells of closed mode;
Wherein, described macrocell is the macrocell that adds in the Neighboring Cell List of this Home eNodeB.
22. method as claimed in claim 21 is characterized in that, described radio network controller also comprises after receiving described femtocell information:
Judge the frequency and the scrambler that whether exist described Home eNodeB to use in the Neighboring Cell List of described macrocell, and be judged as when not existing, in the Neighboring Cell List that adds the frequency and the scrambler of described Home eNodeB to this macrocell.
23. method as claimed in claim 21 is characterized in that, also comprises:
When described radio network controller carries out nearby region measurement at the needs indicating user terminal, according to sub-district, the current place of described user terminal, from the actual adjacent area database of this sub-district, select the adjacent area that described user terminal can access, and the neighboring BS information of selecting is sent to described user terminal.
24. method as claimed in claim 21 is characterized in that, also comprises:
Described radio network controller is when carrying out switch decision, have only frequency and scrambling code information at Target cell, have when a plurality of and in the database of the actual adjacent area of source macrocell, exist with described frequency and scrambler is all identical and user terminal can access adjacent area, notify described a plurality of adjacent area to distribute switchable resource, and when described user terminal inserts one of them adjacent area, notify other adjacent areas to discharge switchable resource.
25. method as claimed in claim 21 is characterized in that, also comprises:
Described radio network controller is in the time need deleting the adjacent area from the adjacent area of macrocell, described adjacent area is deleted from the actual adjacent area database of described macrocell, and judge whether frequency and the scrambler that use described adjacent area are also used by other adjacent areas, and when being judged as not, described frequency and scrambler are deleted from the Neighboring Cell List of described macrocell.
26. method as claimed in claim 21 is characterized in that, also comprises:
When described radio network controller increases the adjacent area in need the adjacent area at macrocell, judge the frequency and the scrambler that whether have existed this newly-increased adjacent area to use in the Neighboring Cell List of described macrocell, and be judged as when not existing, this newly-increased adjacent area is added in the Neighboring Cell List of described macrocell, and the information that will increase the adjacent area newly is saved in the actual adjacent area database of described macrocell.
27. method as claimed in claim 21 is characterized in that, also comprises:
Described radio network controller is when the adjacent area frequency of needs changes macrocell or scrambler, described adjacent area is deleted from the actual adjacent area database of described macrocell, and judge whether frequency and the scrambler that use described adjacent area are also used by other adjacent areas, and when being judged as not, described frequency and scrambler are deleted from the Neighboring Cell List of described macrocell; Then, described radio network controller is judged frequency and the scrambler that whether has existed this newly-increased adjacent area to use in the Neighboring Cell List of described macrocell, and be judged as when not existing, this newly-increased adjacent area is added in the Neighboring Cell List of described macrocell, and the information that will increase the adjacent area newly is saved in the actual adjacent area database of described macrocell.
28. a radio network controller is characterized in that, comprising:
Receiver module, be used to receive femtocell information, comprise the frequency of this Home eNodeB and scrambler, cell ID, user's access information in the information of described Home eNodeB, and Neighboring Cell List, described Neighboring Cell List comprises the cell ID of the macrocell in the Neighboring Cell List that adds this Home eNodeB to;
Memory module is used for described femtocell information is saved in actual adjacent area database and user's access information database of described macrocell; Comprise cell ID, frequency and scrambler and cell type in the neighboring BS information of the sub-district of preserving in the database of described actual adjacent area; Described user's access information database comprises the cell ID and the tabulation of user's access of the home base station cells of closed mode;
Wherein, described macrocell is the macrocell that adds in the Neighboring Cell List of this Home eNodeB.
29. radio network controller as claimed in claim 28, it is characterized in that, described memory module specifically is used for, after described receiver module receives described femtocell information, judge the frequency and the scrambler that whether exist described Home eNodeB to use in the Neighboring Cell List of described macrocell, and be judged as when not existing, in the Neighboring Cell List that adds the frequency and the scrambler of described Home eNodeB to this macrocell.
30. radio network controller as claimed in claim 28 is characterized in that, also comprises:
Measure indicating module, be used for when the needs indicating user terminal carries out nearby region measurement, according to sub-district, the current place of described user terminal, from the actual adjacent area database of this sub-district, select the adjacent area that described user terminal can access, and the neighboring BS information of selecting is sent to described user terminal.
31. radio network controller as claimed in claim 28 is characterized in that, also comprises:
The hand-off process module, be used for when carrying out switch decision, have only frequency and scrambling code information at Target cell, have when a plurality of and in the database of the actual adjacent area of source macrocell, exist with described frequency and scrambler is all identical and user terminal can access adjacent area, notify described a plurality of adjacent area to distribute switchable resource, and when described user terminal inserts one of them adjacent area, notify other adjacent areas to discharge switchable resource.
32. radio network controller as claimed in claim 28 is characterized in that, also comprises:
Adjacent area database maintenance module, be used for when need be from deletion adjacent area, the adjacent area of macrocell, described adjacent area is deleted from the actual adjacent area database of described macrocell, and judge whether frequency and the scrambler that use described adjacent area are also used by other adjacent areas, and when being judged as not, described frequency and scrambler are deleted from the Neighboring Cell List of described macrocell; When increasing the adjacent area in need adjacent area at macrocell, judge the frequency and the scrambler that whether have existed this newly-increased adjacent area to use in the Neighboring Cell List of described macrocell, and be judged as when not existing, this newly-increased adjacent area is added in the Neighboring Cell List of described macrocell, and the information that will increase the adjacent area newly is saved in the actual adjacent area database of described macrocell; When the adjacent area frequency of needs changes macrocell or scrambler, described adjacent area is deleted from the actual adjacent area database of described macrocell, and judge whether frequency and the scrambler that use described adjacent area are also used by other adjacent areas, and when being judged as not, described frequency and scrambler are deleted from the Neighboring Cell List of described macrocell; Then, described radio network controller is judged frequency and the scrambler that whether has existed this newly-increased adjacent area to use in the Neighboring Cell List of described macrocell, and be judged as when not existing, this newly-increased adjacent area is added in the Neighboring Cell List of described macrocell, and the information that will increase the adjacent area newly is saved in the actual adjacent area database of described macrocell.
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| CN102223647B (en) * | 2011-06-16 | 2014-03-12 | 京信通信系统（中国）有限公司 | Configuration method and device for femto Home Node B |
| CN102883296B (en) * | 2011-07-14 | 2015-05-06 | 中国移动通信集团上海有限公司 | Configuring and positioning method of Femto and relevant device |
| CN103297993B (en) * | 2012-02-28 | 2016-03-02 | 中国移动通信集团公司 | Base station uplink and downlink timeslot collocation method, Apparatus and system |
| CN103582037B (en) * | 2012-07-23 | 2018-04-27 | 中兴通讯股份有限公司 | A kind of method and system for obtaining adjacent base station configuration information |
| CN103826268B (en) * | 2012-11-16 | 2018-02-23 | 中国移动通信集团江苏有限公司 | It is a kind of to move the method, apparatus and system that gravity treatment is realized between grand net and home network |
| CN103763756B (en) * | 2014-01-03 | 2016-09-14 | 南京熊猫电子股份有限公司 | A kind of Femtocell quick start method |
| CN105704832B (en) * | 2014-11-25 | 2019-11-26 | 北京佰才邦技术有限公司 | The frequency-selecting method of access device, device and system |
| CN108347738B (en) * | 2018-01-11 | 2021-03-16 | 新疆联海创智信息科技有限公司 | Method and system for automatically configuring communication parameters of cellular cell |
| CN109587764B (en) * | 2018-12-30 | 2022-04-01 | 超讯通信股份有限公司 | Automatic frequency selection method for small base station, small base station and storage medium |
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