CN101175322B - Subdistrict selection method - Google Patents
Subdistrict selection method Download PDFInfo
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- CN101175322B CN101175322B CN2007101246422A CN200710124642A CN101175322B CN 101175322 B CN101175322 B CN 101175322B CN 2007101246422 A CN2007101246422 A CN 2007101246422A CN 200710124642 A CN200710124642 A CN 200710124642A CN 101175322 B CN101175322 B CN 101175322B
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Abstract
The present invention discloses a district selecting method, which comprises: a first frequency band district and a second frequency band district, which are in the same station, are set as a group-sharing district. If the load of the first frequency range district exceeds a high loading threshold and the signal quality of the second frequency band district, which is of the same group with the first frequency range district, satisfies switching conditions, the speech channel of the second frequency range district is distributed to a user terminal UE by a basal station. If the signal quality of the second frequency range district, which is of the same group with the first frequency range district, does not satisfy the switching conditions, the basal station handles the problem according to a prescheduled method. The present invention also provides the basal station used for selecting the districts. With the present invention, the loading sharing in the group-sharing group is realized and the speech quality is improved.
Description
Technical field
The present invention relates to mobile communications network, relate in particular to a kind of method of cell selecting.
Background technology
In gsm system, switching is that (User Equipment UE) switches to the adjacent area, to guarantee the continuity of conversation, reduces the interference of network for user terminal during network side will be conversed according to measurement report.UE is every 480ms periodic report measurement report.
Along with increasing of mobile subscriber, phenomenons such as resource of frequency range anxiety, the traffic of 900M is big appear, and need to introduce the 1800M frequency range and share traffic.Therefore just there is the matching problem between 900M frequency range and 1800M frequency range, i.e. the matching problem of two minizones in assignment voice channel and handoff procedure.
900M sub-district and 1800M sub-district are two independently sub-districts in the prior art scheme at present, absorb traffic with the 1800M sub-district, generally can be used in the city, and the covering radius of each sub-district is generally 500 meters～1000 meters.As shown in Figure 1, sub-district 1 and sub-district 3 are 1800M sub-districts, and sub-district 2 and sub-district 4 are 900M sub-districts, and wherein sub-district 1 and sub-district 2 are the sub-district of standing altogether, and sub-district 3 and sub-district 4 are the sub-district of standing altogether.Wherein dash area A is overlapping covered in sub-district 1, sub-district 2 and sub-district 4 coverages; Dash area B is in sub-district 1 and sub-district 2 coverages, but overlapping covered in 4 coverages of sub-district not.
In the access procedure, if UE inserts at dash area A place, and sub-district 2 (900M sub-district) overload, there is not available voice channel, at this moment the base station is the voice channel that UE distributes sub-district 4 (900M sub-district), and can not distribute and sub-district 2 voice channel of the sub-districts 1 (1800M sub-district) at station altogether, have only to sub-district 2 congested after, if the signal intensity ratio sub-district semi-finals of sub-district 1 just can distribute the voice channel of sub-district 1.If UE inserts at dash area B, even sub-district 2 loads are high, still can not distribute the voice channel of sub-district, common station 1, have only when 2 overloads of sub-district, just can distribute the voice channel of sub-district 1 for UE.
In the handoff procedure, if the UE current location at dash area A place, and inserts in 900M sub-district 2, if this moment, sub-district 2 loads were high, then indication UE in base station switches to the sub-district 4 of adjacent area, and can not switch to and the sub-district 1 at station altogether, sub-district 2.
In sum, visible existing cell selecting method can make influences speech quality by the 900M small area jam.
Summary of the invention
The method and apparatus that the purpose of this invention is to provide a kind of cell selecting, the feasible second frequency range sub-district of standing altogether with the first frequency range sub-district can better absorb telephone traffic.
In view of this, the invention provides a kind of method of cell selecting, this method comprises: a kind of method of cell selecting, be used to have the selection of the sub-district, common station of different frequency range, it is characterized in that, the first frequency range sub-district and the second frequency range sub-district at station are set to common group of sub-district altogether, and this method comprises: if the described first frequency range cell load surpasses the load high threshold; If the signal quality of the second frequency range sub-district of organizing altogether with the described first frequency range sub-district satisfies switching condition, then the voice channel of the second frequency range sub-district of organizing altogether with the described first frequency range sub-district is distributed in the base station for user terminal UE; If the signal quality of the second frequency range sub-district of organizing altogether with the described first frequency range sub-district does not satisfy switching condition, then handle according to pre-setting method the base station.
The present invention also provides a kind of base station that is used for, it is characterized in that, described base station comprises: judge module: be used to judge whether the load of the first frequency range sub-district surpasses maximum load thresholds, be used to also judge whether the channel quality of the second frequency range sub-district satisfies switching condition, be used to also judge whether described first frequency range or the described second frequency range sub-district have idle voice channel; Select module: be used for the time for UE assignment voice channel, if the first frequency range cell load surpasses maximum load thresholds, and when satisfying switching condition with the second frequency range sub-district that the described first frequency range sub-district is organized altogether, preferentially be chosen as the voice channel of the second frequency range sub-district of organizing altogether in UE assignment and the described first frequency range sub-district, also be used for if the first frequency range cell load surpasses maximum load thresholds, and when satisfying switching condition with the second frequency range sub-district that the described first frequency range sub-district is organized altogether, the preferential selection switches to the described second frequency range sub-district with UE.
Method and apparatus provided by the invention makes that under the situation of high traffic the first frequency range sub-district and the second frequency range cell load are shared, and shared resource effectively improves the capacity of network.Under the not high situation of the first frequency range cell load, provide service simultaneously, improve user's speech quality by the first frequency range sub-district.
Description of drawings
Fig. 1 is the cell structure schematic diagram of the prior art of the present invention and the embodiment of the invention;
Fig. 2 is the schematic flow sheet of the embodiment of the invention one;
Fig. 3 is the schematic flow sheet of the embodiment of the invention two;
Fig. 4 is the architecture of base station schematic diagram of the embodiment of the invention.
Embodiment
For making goal of the invention, technical scheme and beneficial effect clearer, the specific embodiment of the present invention is elaborated below in conjunction with accompanying drawing.
The invention provides a kind of method of cell selecting, in the method, in order effectively to utilize the frequency resource of 1800M, as shown in Figure 1, the 900M sub-district that the present invention 1800M stands the sub-district together is set to common group of sub-district, in assignment voice channel and handoff procedure, the voice channel of priority allocation 1800M sub-district.Wherein sub-district 1 and sub-district 2 are for organizing the sub-district altogether, and sub-district 3 and sub-district 4 are for organizing the sub-district altogether, and the 900M sub-district is the cylindrical sub-district, and the 1800M sub-district is interior round sub-district.
Embodiment one
The process of assignment voice channel
In the embodiment of the invention, this process is that UE attempts to insert cylindrical 900M sub-district 2 at A place as shown in Figure 1.
Be illustrated in figure 2 as the schematic flow sheet of the embodiment of the invention, this flow process comprises:
Step 201:UE is to the cylindrical sub-district, and promptly 900M sub-district 2 initiates to insert.
Step 202: the base station judges whether the load of this sub-district 2 has surpassed the load high threshold of this sub-district, and if not, then execution in step 203, if then execution in step 204.
In the present embodiment, the load high threshold of sub-district 2, those skilled in the art can be provided with according to system situation.
Step 203: the base station is the voice channel of UE assignment sub-district 2, and this flow process finishes.
Step 204: whether the level value of circle sub-district 1 satisfied switching condition in the base station was judged, if then execution in step 205, if not, then execution in step 207.
Step 205: the base station judges whether sub-district 1 has idle voice channel, if then execution in step 206, if not, then execution in step 207.
Step 206: the base station is the voice channel of UE assignment sub-district 1, and this flow process finishes.
Step 207: the base station judges whether sub-district 2 has idle voice channel, and if not, then execution in step 208, if then execution in step 209.
Step 208:UE lines up or directly attempts again inserting the 900M sub-district, or the base station trial is the voice channel that UE distributes abutting subdistrict 4 (900M).
Step 209: the voice channel that distributes sub-district 2 for UE.
In the present embodiment, when 2 loads of 900M sub-district are higher than the load high threshold, the voice channel of 1800M sub-district 1 is just directly attempted distributing for UE in the base station, rather than directly attempt to be the voice channel of the 900M sub-district 4 that the UE distribution is adjacent in the picture prior art, circle 1800M sub-district 1 has higher voice-channel assignment priority promptly, helps the 1800M sub-district like this and absorbs telephone traffic.
If UE attempts to insert sub-district 2 at dash area B place as shown in Figure 1, the flow process of flow process and the foregoing description one is basic identical, only 208 becomes step 208 in steps ': UE queuing or directly trial access again.
Embodiment two
Handoff procedure
In the embodiment of the invention, this process is 900 sub-districts 2 load when high, attempts the process that the UE that is in dash area A is switched.
As shown be the schematic flow sheet of the invention process two, this flow process comprises:
Step 301: the base station receives the measurement report that UE reports;
Step 302: the base station judges whether sub-district 2 loads are higher than the cell load high threshold, if then execution in step 303, if not, then do not switch, and return step 301.
Step 303: the base station judges whether the level value of sub-district 1 satisfies switching condition, if then execution in step 304, if not, then execution in step 306.
Step 304: the base station judges whether sub-district 1 has idle voice channel, if then execution in step 305, if not, then execution in step 306.
Step 305: base station indication UE switches to sub-district 1, is the voice channel of UE distribution sub-district 1, and this flow process finishes.
Step 306: attempt switching to sub-district 4 by prior art, perhaps the next measurement report of UE is detected in the base station.
In the present embodiment, when 2 loads of 900M sub-district are higher than high threshold, the base station just directly attempts UE is switched to common group 1800M sub-district, rather than UE is switched to adjacent 900M sub-district 4 as directly attempting in the prior art, circle 1800M sub-district 1 has higher switching priority promptly, helps the 1800M sub-district like this and absorbs telephone traffic.
The present invention also provides a kind of base station, is used for cell selecting, and this base station comprises: judge module 401, selection module 402.
Judge module 401: be used to judge whether the load of 900M sub-district surpasses the load high threshold, be used to also judge whether the channel quality of 1800M sub-district satisfies switching condition or whether satisfy switching condition, be used to also judge whether 900M or 1800M sub-district have idle voice channel, also be used for judged result is transferred to selection module 402.
Select module 402: be used for the time for UE assignment voice channel, if the 900M cell load surpasses the load high threshold, and when satisfying switching condition with the 1800M sub-district that described 900M sub-district is organized altogether, preferentially be chosen as the voice channel of UE assignment 1800M sub-district, also be used for if the 900M cell load surpasses the load high threshold, and when satisfying switching condition with the 1800M sub-district that described 900M sub-district is organized altogether, the preferential selection switches to described 1800M sub-district with UE.
Cell selecting method provided by the invention and device are equally applicable to the sub-district, common station that other have different frequency range.
It more than is detailed introduction to the method for a kind of cell selecting provided by the present invention, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (4)
1. the method for a cell selecting is used to have the selection of the sub-district, common station of different frequency range, it is characterized in that the first frequency range sub-district and the second frequency range sub-district at station are set to common group of sub-district altogether, and this method comprises:
When the described first frequency range cell load surpasses the load high threshold,
If the signal quality of the second frequency range sub-district of organizing altogether with the described first frequency range sub-district satisfies switching condition, then the voice channel of the second frequency range sub-district of organizing altogether with the described first frequency range sub-district is distributed in the base station for user terminal UE;
If the signal quality of the second frequency range sub-district of organizing altogether with the described first frequency range sub-district does not satisfy switching condition, then handle according to pre-setting method the base station;
Wherein, initiate to insert request if also comprised described UE before the described first frequency range cell load surpasses the load high threshold to the described first frequency range sub-district, then described the processing according to pre-setting method comprises:
If there is idle voice channel the described first frequency range sub-district, then the base station is the voice channel that UE distributes the described first frequency range sub-district; If the described first frequency range sub-district does not have idle voice channel, then UE waits in line, and perhaps directly sends the request of access to the described first frequency range sub-district once more;
Perhaps,
Receive the cell measurement reporting that described UE sends if also comprised the base station before the described first frequency range cell load surpasses the load high threshold, then described the processing according to pre-setting method comprises:
Trial switches to the another one same frequency range sub-district adjacent with the described first frequency range sub-district or the next cell measurement reporting that UE sends is detected in the base station.
2. the method for claim 1 is characterized in that, the described second frequency range sub-district is satisfied switching condition and is specially: the level value of the described second frequency range sub-district satisfies switching condition, and there is idle voice channel the described second frequency range sub-district.
3. method as claimed in claim 2 is characterized in that, the described second frequency range sub-district is not satisfied switching condition and is specially:
The level value of the described second frequency range sub-district does not satisfy switching condition;
The level value of the perhaps described second frequency range sub-district satisfies switching condition, but the described second frequency range sub-district does not have idle voice channel.
4. a base station is characterized in that, described base station comprises:
Judge module: be used to judge whether the load of the first frequency range sub-district surpasses the load high threshold, be used to also judge whether the channel quality of the second frequency range sub-district satisfies switching condition, be used to also judge whether described first frequency range or the described second frequency range sub-district have idle voice channel; With
Select module: be used for the time for UE assignment voice channel, if the first frequency range cell load surpasses the load high threshold, and when satisfying switching condition with the second frequency range sub-district that the described first frequency range sub-district is organized altogether, preferentially be chosen as the voice channel of the second frequency range sub-district of organizing altogether in UE assignment and the described first frequency range sub-district, also be used for if the first frequency range cell load surpasses the load high threshold, and when satisfying switching condition with the second frequency range sub-district that the described first frequency range sub-district is organized altogether, the preferential selection switches to the second frequency range sub-district of organizing altogether with the described first frequency range sub-district with UE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101246422A CN101175322B (en) | 2007-11-16 | 2007-11-16 | Subdistrict selection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101246422A CN101175322B (en) | 2007-11-16 | 2007-11-16 | Subdistrict selection method |
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| CN101175322A CN101175322A (en) | 2008-05-07 |
| CN101175322B true CN101175322B (en) | 2010-12-15 |
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| CN2007101246422A Active CN101175322B (en) | 2007-11-16 | 2007-11-16 | Subdistrict selection method |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101873709B (en) * | 2010-06-30 | 2013-06-26 | 华为技术有限公司 | Method, equipment and system for assigned calling |
| CN103369596B (en) * | 2012-04-01 | 2016-09-14 | 南京中兴软件有限责任公司 | Terminal switching method and device |
| CN103428856B (en) * | 2012-05-21 | 2018-03-30 | 中兴通讯股份有限公司 | Realize the successional method and system of multimedia broadcast multi-broadcasting business |
| US9313237B2 (en) * | 2013-05-15 | 2016-04-12 | Tencent Technology (Shenzhen) Company Limited | Method, apparatus, and communication system for allocating and managing voice channels |
| CN103312907B (en) * | 2013-05-15 | 2016-04-13 | 腾讯科技（深圳）有限公司 | Voice channel allocation management method, voice server and communication system |
| CN105009632A (en) * | 2013-12-10 | 2015-10-28 | 华为技术有限公司 | Load balancing method and device |
| CN104955053B (en) * | 2014-03-26 | 2019-03-05 | 华为技术有限公司 | Wireless communication control method and device |
| CN113099485A (en) * | 2019-12-23 | 2021-07-09 | ***通信集团陕西有限公司 | Network access method, device, computing equipment and computer storage medium |
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Effective date of registration: 20211222 Address after: 450046 Floor 9, building 1, Zhengshang Boya Plaza, Longzihu wisdom Island, Zhengdong New Area, Zhengzhou City, Henan Province Patentee after: Super fusion Digital Technology Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |
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