CN102118755A - Method and system for building frequency range crossing cells - Google Patents
Method and system for building frequency range crossing cells Download PDFInfo
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- CN102118755A CN102118755A CN2009102152169A CN200910215216A CN102118755A CN 102118755 A CN102118755 A CN 102118755A CN 2009102152169 A CN2009102152169 A CN 2009102152169A CN 200910215216 A CN200910215216 A CN 200910215216A CN 102118755 A CN102118755 A CN 102118755A
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Abstract
The invention discloses a method and system for building frequency range crossing cells, wherein the method comprises the steps: a wireless network controller distributes information of cell frequency points for a local cell according to the frequency range information which is supported by the local cell and reported by a base station; and the wireless network controller sends cell building request information to the base station, wherein the cell building request information contains the information of the cell frequency points. According to the invention, the success rate of building and reallocating the cells is increased, and the system resources are saved.
Description
Technical field
The present invention relates to communication field, relate in particular to a kind of frequency range sub-district method for building up and system of striding.
Background technology
TD-SCDMA (Time Division Synchronous Code Division Multiple Access, TD SDMA) system supports the foundation of multi-frequency-point community, 25.433 protocol descriptions of 3GPP audit report the home cell ability, with reference to figure 1a, RNC (radio network controller) issues the audit request to NodeB (base station), and NodeB returns the audit that comprises home cell information to RNC and responds.
The home cell ability that RNC reports according to audit and the home cell and the sub-district corresponding relation of configuration issue the sub-district and set up request, with reference to figure 1b, carry all frequency point information that RNC disposes, and set up respective cell.
If follow-up RNC backstage has frequency to revise, RNC initiates the cell re-configuration process according to frequency increment configuration information again, with reference to figure 1c, sets up newly-increased frequency point information or deletion respective tones dot information.
Because after the extensive commercialization of TD-SCDMA, B frequency range (the 2010MHz～2025MHz) can't satisfy capacity requirement that existing network uses, therefore press for the frequency spectrum dilatation, back extended meeting begins the A frequency range successively, and (1880MHz～1920MHz), A+B be with covering networking, and (2300MHz～2400MHz) carries out common networking also can to add the C frequency range from now on again.
But,, therefore caused existing sub-district to set up the flow process existing problems because the home cell that NodeB reports when responding of auditing in existing 25.433 agreements does not carry the band information that NodeB supports.For example: the home cell support of NodeB configuration be 2010MHz～2025MHz band limits, but the frequency point ranges of RNC configuration is but at 1880MHz～1920MHz, after audit reports home cell to use, RNC will initiate the sub-district and set up, because the home cell band limits that disposes between RNC and NodeB is inconsistent, cause the sub-district to set up failure, but follow-up RNC still can constantly attempt building this sub-district, causes the Iub port band width to be taken by meaningless.Again for example: the home cell support of NodeB configuration be 2010MHz～2025MHz and two frequency ranges of 1880～1910MHz, but the frequency point ranges of the new configuration of RNC is between 1910MHz～1920MHz, if the sub-district is successfully set up before, then follow-up RNC can initiate cell re-configuration, because NodeB can't support this frequency range can respond failure, thereby causes carrying out repeatedly unnecessary cell re-configuration process.
In sum, prior art has existed the existing frequency range sub-district of striding to set up in the process because the problem of failure or cell re-configuration failure is set up in the inconsistent sub-district that causes of network element frequency always since the midium or long term as can be known, therefore be necessary to propose improved technological means, solve this problem.
Summary of the invention
Because prior art exists the existing frequency range sub-district of striding to set up the sub-district that causes owing to the network element frequency is inconsistent in the process and set up the problem that failure or cell re-configuration fail and make the present invention, main purpose of the present invention for this reason is to provide a kind of frequency range sub-district method for building up and system of striding, wherein:
The frequency range sub-district method for building up of striding provided by the invention comprises: the band limits information that the home cell that radio network controller reports according to the base station is supported, for home cell distributes subdistrict frequency point information; Radio network controller sends the sub-district to the base station and sets up request message, and wherein, the sub-district is set up and carried subdistrict frequency point information in the request message.
Preferably, be that this method further comprised before home cell distributed subdistrict frequency point information at radio network controller: radio network controller receives the band limits information of the home cell support that reports from the base station.
Preferably, radio network controller further comprises according to the band limits information distribution subdistrict frequency point information that the base station reports: radio network controller is the pre-configured subdistrict frequency point information of home cell; If within the band limits that the pre-configured subdistrict frequency point information of radio network controller reports in the base station, then will this pre-configured subdistrict frequency point information as the subdistrict frequency point information of distribution.
Preferably, this method further comprises: request message is set up according to the sub-district that issues from radio network controller in the base station, sets up the sub-district.
Preferably, this method further comprises: radio network controller increases the allocating cell frequency point information, if within the band limits that the subdistrict frequency point information that increases configuration reports in the base station, then send the cell re-configuration request message that carries the subdistrict frequency point information that increases configuration to the base station.
The frequency range sub-district of striding provided by the invention is set up system and is comprised: radio network controller and base station, and wherein, radio network controller comprises: first receiver module is used to receive the band limits information of supporting from the home cell of base station; First distribution module, being used for according to the band limits information that first receiver module receives is that home cell distributes subdistrict frequency point information; First sending module is used for sending the sub-district to the base station and sets up request message, and wherein, the subdistrict frequency point information that carries first module assigns in the request message is set up in the sub-district.
Preferably, the base station further comprises: second sending module is used for sending the band limits information that home cell is supported to first receiver module; Second receiver module is used to receive the sub-district that issues from first sending module and sets up request message; Module is set up in the sub-district, is used for setting up request message according to the sub-district that second receiver module receives, and sets up the sub-district.
Preferably, first distribution module further comprises: pre-configured submodule is used to the pre-configured subdistrict frequency point information of home cell; Judge submodule, be used to judge the pre-configured subdistrict frequency point information of pre-configured submodule whether within the band limits that receiver module receives, and subdistrict frequency point information that will be within band limits is as the subdistrict frequency point information of distributing.
Preferably, radio network controller further comprises: second distribution module, be used to increase the allocating cell frequency point information, if within the band limits that the subdistrict frequency point information that increases configuration reports in the base station, then send the cell re-configuration request message that carries the subdistrict frequency point information that increases configuration to the base station by first sending module.
Compared with prior art, according to technical scheme of the present invention, the band limits that RNC supports according to the home cell that its backstage subdistrict frequency point configuration information reports in conjunction with NodeB distributes subdistrict frequency point information, avoided the sub-district to set up in the process because system resource has been saved in inconsistent sub-district foundation failure or the cell re-configuration failure that causes of RNC and NodeB frequency.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 a, Fig. 1 b, Fig. 1 c are the schematic diagrames that process is set up in the frequency range sub-district of striding according to prior art;
Fig. 2 is the flow chart of striding frequency range sub-district method for building up according to the embodiment of the invention;
Fig. 3 is the flow chart according to the preferred process scheme of striding frequency range sub-district method for building up of the embodiment of the invention;
Fig. 4 is the block diagram that system is set up in the frequency range sub-district of striding according to the embodiment of the invention.
Embodiment
The present invention is applicable to TD-SCDMA multicarrier system, distribute subdistrict frequency point information according to its backstage frequency configuration information in conjunction with the band limits that NodeB reports by RNC, avoided the sub-district to set up in the process because system resource has been saved in inconsistent sub-district foundation failure or the cell re-configuration failure that causes of RNC and NodeB frequency.
For making the purpose, technical solutions and advantages of the present invention clearer,, the present invention is described in further detail below in conjunction with drawings and the specific embodiments.
According to embodiments of the invention, provide a kind of frequency range sub-district method for building up of striding.
Fig. 2 is the flow chart of striding frequency range sub-district method for building up according to the embodiment of the invention, and as shown in Figure 2, this method comprises (step S202-step S204):
Step S202, the band limits information that RNC supports according to the home cell that NodeB reports is for home cell distributes subdistrict frequency point information;
Particularly, if the pre-configured subdistrict frequency point information of RNC is within the band limits that NodeB reports, then will this pre-configured subdistrict frequency point information as the subdistrict frequency point information of distribution.
Step S204, RNC sends the sub-district to NodeB and sets up request message, and wherein, the sub-district is set up and is carried subdistrict frequency point information in the request message.
Through after the above-mentioned processing, NodeB sets up request message according to the sub-district that issues from RNC, sets up the sub-district.Need explanation, if follow-up RNC backstage has frequency to revise, need to increase the allocating cell frequency point information, if the subdistrict frequency point information of this increase configuration then sends the cell re-configuration request message that carries the subdistrict frequency point information that increases configuration to NodeB within the band limits that NodeB reports.
By the above embodiment of the present invention, can avoid the sub-district to set up in the process because failure or cell re-configuration failure are set up in the inconsistent sub-district that causes of RNC and NodeB frequency, improved that the sub-district is set up and the success rate of cell re-configuration, saved system resource.
Be example with multifrequency point, different frequency range RRU (Radio Remote Unit, Remote Radio Unit) sub-district method for building up in the TD-SCDMA system below, technical scheme of the present invention is further detailed.
In specific implementation process, audit response message and the home cell information in the resource status Indication message (Local Cell Information) in 25.433 agreements regulation increase band information (Frequency Band Information) down, and wherein band information comprises the initial range attribute of frequency range that home cell is supported.Each home cell reports respectively, can comprise a plurality of band limits under the same home cell.RNC initiates need issue value of frequency point according to the initial scope of NodeB band support that the audit response reports when the sub-district is set up.
Further understand the present invention in conjunction with Fig. 3.As shown in Figure 3, the sub-district is set up concrete implementation step and is comprised:
Step S302, NodeB disposes home cell (LocalCell1), wherein comprises two RRU, and the band support scope is: 2010MHz～2025MHz and 1880MHz～1910MHz, wherein 3 local carrier resources of each frequency range configuration.
Step S304, the band limits information that the NodeB audit reports home cell LocalCell1 to support, band limits wherein is 2010MHz～2025MHz and 1880MHz～1910MHz.
Step S306, RNC backstage configuration home cell LocalCell1 respective cell Cell1 frequency point information, its intermediate-frequeney point is configured to: f1, f2 belong to 2010MHz～2025MHz; F3, f4 belong to 1880MHz～1910MHz; F5 belongs to 1910MHz～1920MHz.
Step S308, the RNC band limits that audit reports according to NodeB distributes subdistrict frequency point, and send the sub-district to NodeB and set up request message, carry the frequency point information (f1, f2, f3, f4) of being distributed in this message, do not issue for the frequency f5 in audit reports band limits not.
Step S310, NodeB receive from the sub-district of RNC and set up request message, set up the sub-district, and respond the sub-district to RNC and set up success response.
Promptly finished the flow process of setting up of striding the frequency range sub-district of standard by above-mentioned steps S302-S310,, then needed to carry out following step S312-S316 if RNC need increase the allocating cell frequency point information.
Step S312 increases frequency f6 in the 2010MHz～2025MHz band limits on RNC, because this frequency is within the band limits that the home cell that the NodeB audit reports is supported, so RNC issues the cell re-configuration request to NodeB.
Step S314, NodeB receive the cell re-configuration request from RNC, increase corresponding frequency f6, and respond the cell re-configuration success response.
If on RNC, increase frequency f7 in the 1910MHz～1920MHz band limits, because this frequency is not within the band limits information that the home cell that NodeB reports is supported, shown in RNC do not issue the cell re-configuration request to NodeB, can inform that the configuration of user's frequency is wrong by alarm or notification message, revise configuration by the user according to alarm or notice then.
Fig. 3 shows the preferred process flow process according to the embodiment of the invention.
System embodiment
According to embodiments of the invention, also provide a kind of frequency range sub-district of striding to set up system, be used for TD-SCDMA multicarrier system.
Fig. 4 is the block diagram that system is set up in the frequency range sub-district of striding according to the embodiment of the invention, and as shown in Figure 4, this system comprises: RNC 10 and NodeB 20, wherein, RNC 10 comprises: first receiver module, 110, the first distribution module, 120, the first sending modules 130.
With reference to figure 4, the first receiver modules 110, be connected with NodeB 20, be used to receive the band limits information of supporting from the home cell of NodeB20.
First distribution module 120 is connected with first receiver module 110, and being used for according to the band limits information that first receiver module 110 receives is that home cell distributes subdistrict frequency point information.First distribution module 120 may further include: pre-configured submodule (not shown) is used to the pre-configured subdistrict frequency point information of home cell; Judge the submodule (not shown), be used to judge the pre-configured subdistrict frequency point information of pre-configured submodule whether within the band limits that receiver module receives, and subdistrict frequency point information that will be within band limits is as the subdistrict frequency point information of distributing.
First sending module 130 is connected with NodeB 20 with first distribution module 120 respectively, is used for sending the sub-district to NodeB 20 and sets up request message, and wherein, the sub-district is set up and carried the subdistrict frequency point information that first distribution module 120 is distributed in the request message.
With reference to figure 4, NodeB 20 further comprises: second sending module, 210, the second receiver modules 220, and module 230 is set up in the sub-district, wherein:
Second sending module 210 is connected with first receiver module 110, is used for sending the band limits information that home cell is supported to first receiver module 110.Second receiver module 220 is connected with first distribution module 120, is used to receive the sub-district that issues from first sending module 130 and sets up request message.Module 230 is set up in the sub-district, is connected with second receiver module 220, is used for setting up request message according to the sub-district that second receiver module 220 receives, and sets up the sub-district.
And, RNC 10 can also comprise: the second distribution module (not shown), be used to increase the allocating cell frequency point information, if within the band limits that the subdistrict frequency point information that increases configuration reports in the base station, then send the cell re-configuration request message that carries the subdistrict frequency point information that increases configuration to the base station by first sending module.This second distribution module can with the 120 same settings of first distribution module.
To sum up, the technique scheme according to the present invention, the band limits that RNC supports according to the home cell that its backstage frequency configuration information reports in conjunction with NodeB distributes subdistrict frequency point information, avoided the sub-district to set up in the process because system resource has been saved in inconsistent sub-district foundation failure or the cell re-configuration failure that causes of RNC and NodeB frequency.
The above is embodiments of the invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.
Claims (9)
1. stride frequency range sub-district method for building up for one kind, it is characterized in that, comprising:
The band limits information that the home cell that radio network controller reports according to the base station is supported is for described home cell distributes subdistrict frequency point information;
Described radio network controller sends the sub-district to described base station and sets up request message, and wherein, described sub-district is set up and carried described subdistrict frequency point information in the request message.
2. method according to claim 1 is characterized in that, is that described method further comprised before described home cell distributed subdistrict frequency point information at described radio network controller:
Described radio network controller receives the band limits information of the home cell support that reports from described base station.
3. method according to claim 1 is characterized in that, described radio network controller further comprises according to the band limits information distribution subdistrict frequency point information that described base station reports:
Described radio network controller is the pre-configured subdistrict frequency point information of described home cell;
If within the band limits that the pre-configured subdistrict frequency point information of described radio network controller reports in described base station, then will this pre-configured subdistrict frequency point information as the described subdistrict frequency point information of distribution.
4. method according to claim 1 is characterized in that, further comprises:
Request message is set up according to the sub-district that issues from described radio network controller in described base station, sets up the sub-district.
5. method according to claim 1 is characterized in that, further comprises:
Described radio network controller increases the allocating cell frequency point information, if within the band limits that the subdistrict frequency point information that increases configuration reports in described base station, then send the cell re-configuration request message of the subdistrict frequency point information that carries described increase configuration to described base station.
6. stride the frequency range sub-district and set up system for one kind, it is characterized in that, comprising: radio network controller and base station, wherein, described radio network controller comprises:
First receiver module is used to receive the band limits information of supporting from the home cell of described base station;
First distribution module, being used for according to the described band limits information that described first receiver module receives is that described home cell distributes subdistrict frequency point information;
First sending module is used for sending the sub-district to described base station and sets up request message, and wherein, the described subdistrict frequency point information that carries described first module assigns in the request message is set up in described sub-district.
7. system according to claim 6 is characterized in that, described base station further comprises:
Second sending module is used for sending the band limits information that home cell is supported to described first receiver module;
Second receiver module is used to receive the sub-district that issues from described first sending module and sets up request message;
Module is set up in the sub-district, is used for setting up request message according to the sub-district that described second receiver module receives, and sets up the sub-district.
8. system according to claim 6 is characterized in that, described first distribution module further comprises:
Pre-configured submodule is used to the pre-configured subdistrict frequency point information of described home cell;
Judge submodule, be used to judge the pre-configured subdistrict frequency point information of described pre-configured submodule whether within the band limits that described receiver module receives, and will be in the subdistrict frequency point information within the described band limits as the described subdistrict frequency point information of distributing.
9. system according to claim 6 is characterized in that, described radio network controller further comprises:
Second distribution module, be used to increase the allocating cell frequency point information, if within the band limits that the subdistrict frequency point information that increases configuration reports in described base station, then send the cell re-configuration request message of the subdistrict frequency point information that carries described increase configuration to described base station by described first sending module.
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| CN2009102152169A CN102118755A (en) | 2009-12-30 | 2009-12-30 | Method and system for building frequency range crossing cells |
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| CN2009102152169A CN102118755A (en) | 2009-12-30 | 2009-12-30 | Method and system for building frequency range crossing cells |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103188804A (en) * | 2011-12-29 | 2013-07-03 | 中国移动通信集团广东有限公司 | Method, device and system for distributing radio resources |
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- 2009-12-30 CN CN2009102152169A patent/CN102118755A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103188804A (en) * | 2011-12-29 | 2013-07-03 | 中国移动通信集团广东有限公司 | Method, device and system for distributing radio resources |
| CN103188804B (en) * | 2011-12-29 | 2016-01-20 | 中国移动通信集团广东有限公司 | A kind of wireless resource allocation methods, Apparatus and system |
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Application publication date: 20110706 |