CN102014395A - Sector splitting realization method and base station - Google Patents
Sector splitting realization method and base station Download PDFInfo
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- CN102014395A CN102014395A CN2010105576508A CN201010557650A CN102014395A CN 102014395 A CN102014395 A CN 102014395A CN 2010105576508 A CN2010105576508 A CN 2010105576508A CN 201010557650 A CN201010557650 A CN 201010557650A CN 102014395 A CN102014395 A CN 102014395A
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Abstract
The embodiment of the invention relates to the technical field of communication and discloses a sector splitting realization method and a base station. The method comprises: splitting at least one sector of the base station with a multi-sector structure into a plurality of corresponding sub-sectors, wherein the combined coverage of the plurality of sub-sectors corresponds to the coverage of the corresponding sector before splitting; and configuring a traffic channel frequency point and a broadcast control channel frequency point for each of the plurality of sub-sectors, wherein the broadcast control channel frequency points of at least two sub-sectors are the same. The embodiment of the invention can save broadcast control channel frequency points and provides more traffic frequency points while realizing network expansion.
Description
Technical field
The present invention relates to communication technical field, relate in particular to the implementation method and the base station of a kind of sector splitting.
Background technology
At present, under limited band resource, how to promote the network capacity direction that industry is paid close attention to and effort develops.The sector splitting is a kind of network coverage that improves, and promotes the new technology of network capacity.Wherein, the sector splitting is meant carries out suitable splitting with sector of base station, makes sector of base station quantity increase, and distributes more carrier wave in the sector coverage that increases, and the increase correspondence of number of carriers the increase of number of users, can realize the network capacity extension.
The schematic diagram of a kind of sector splitting as shown in Figure 1, three sector network structures of base station are split into six sector network structures.Wherein, independently Broadcast Control Channel (Broadcast Control Channel, BCCH) frequency and Traffic Channel (TrafficChannel, TCH) frequency all will be distributed in each sector in six sectors after the splitting.Wherein, the BCCH frequency is used for sending broadcast message and control information to the sector user; The TCH frequency is used for and sector user's transporting speech and data.
By emulated data as can be known, the BCCH performance was multiplexing poorer than three sectors 4 * 3 when six sectors 2 * 6 were multiplexing, and when six sectors 3 * 6,4 * 6 are multiplexing the BCCH performance to be better than three sectors 4 * 3 multiplexing.Therefore, for the BCCH performance that makes six sectors is not worse than three sectors, the BCCH frequency of six sectors will accomplish that at least 3 * 6 is multiplexing, and that is to say needs 18 BCCH frequencies at least.By above-mentioned introduction as can be known, though become six sectors can improve whole network capacity amount three sector splittings,, cause the TCH frequency very nervous because BCCH needs more frequency.
Summary of the invention
The embodiment of the invention provides the implementation method and the base station of a kind of sector splitting at the shortcoming of prior art, can save the BCCH frequency, and more TCH frequency is provided.
The implementation method of a kind of sector splitting comprises:
At least one sector of the base station of the many sector strucres of splitting is corresponding a plurality of sub-sector; The overlay area of the corresponding sector of the combined coverage areas of described a plurality of sub-sectors before corresponding to splitting;
Give each described sub-sector configuration Traffic Channel frequency and Broadcast Control Channel frequency in described a plurality of sub-sectors, wherein, the Broadcast Control Channel frequency of at least two described sub-sectors is identical.
A kind of base station comprises:
The splitting module, at least one sector that is used for the base station of the many sector strucres of splitting is corresponding a plurality of sub-sector; The overlay area of the corresponding sector of the combined coverage areas of described a plurality of sub-sectors before corresponding to splitting;
Configuration module is used for described a plurality of sub-sectors each described sub-sector configuration Traffic Channel frequency and Broadcast Control Channel frequency to the splitting of described splitting module, and wherein, the Broadcast Control Channel frequency of at least two described sub-sectors is identical.
Compared with prior art, the embodiment of the invention has following beneficial effect:
In the embodiment of the invention, at least one sector of the base station of the many sector strucres of splitting is corresponding a plurality of sub-sector, and give each sub-sector configuration Traffic Channel frequency and Broadcast Control Channel frequency in a plurality of sub-sectors, wherein the Broadcast Control Channel frequency of at least two sub-sectors is identical.Be in the embodiment of the invention, a Broadcast Control Channel frequency is shared at least two sub-sectors that obtain after the same sector splitting of the base station of many sector strucres, the Broadcast Control Channel frequency that saves like this can be used for the planning of Traffic Channel frequency, thereby the embodiment of the invention can be when realizing the network capacity extension, save the Broadcast Control Channel frequency, more business channel frequency is provided.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use among the embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic diagram of existing a kind of sector splitting;
The schematic flow sheet of the implementation method of a kind of sector splitting that Fig. 2 provides for the embodiment of the invention;
The schematic diagram of a kind of sector splitting that Fig. 3 provides for the embodiment of the invention;
A kind of BCCH of the configuration frequency that Fig. 4 provides for the embodiment of the invention and the schematic diagram of TCH frequency;
The another kind that Fig. 5 provides for the embodiment of the invention disposes the schematic diagram of BCCH frequency and TCH frequency;
The structural representation of a kind of base station that Fig. 6 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention provides the implementation method and the base station of a kind of sector splitting, can save the BCCH frequency when realizing the network capacity extension, and more TCH frequency is provided.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Embodiment one:
See also Fig. 2, the schematic flow sheet of the implementation method of a kind of sector splitting that Fig. 2 provides for the embodiment of the invention.Wherein, this method can may further comprise the steps:
201, at least one sector of the base station of the many sector strucres of splitting is corresponding a plurality of sub-sector; Wherein, the overlay area of the corresponding sector of the combined coverage areas of above-mentioned a plurality of sub-sectors before corresponding to splitting;
For instance, the base station in the present embodiment can be the base station of three sector strucres, also can be the base station of the above structure in three sectors, base station of the base station of four sector strucres, six sector strucres or the like for example, and present embodiment does not limit.
As an optional execution mode, at least one sector of base station that can the many sector strucres of splitting is two corresponding symmetrical sub-sectors.Wherein, at least one sector of base station that also can the many sector strucres of splitting is corresponding identical sub-sector, three overlay areas according to actual needs, or at least one sector of the base station of the many sector strucres of splitting is corresponding identical sub-sector, the overlay area more than three, and present embodiment does not limit.
202, give each sub-sector configuration TCH frequency and BCCH frequency in the above-mentioned a plurality of sub-sector, wherein, the BCCH frequency of at least two sub-sectors is identical.
As an optional execution mode, each sub-sector configuration BCCH frequency is identical in the above-mentioned a plurality of sub-sector, and parton sector configuration BCCH frequency is identical in the perhaps above-mentioned a plurality of sub-sector, and the embodiment of the invention does not limit.
As an optional execution mode, can give each overloading frequency module of sub-sector configuration in the above-mentioned a plurality of sub-sector, wherein, the overloading frequency module is used to provide overloading frequently;
Wherein, a carrier frequency in the overloading frequency that the overloading frequency module provides is corresponding with the BCCH frequency, and at least one carrier frequency in the overloading frequency that the overloading frequency module provides is corresponding with the TCH frequency.
In the embodiment of the invention, at least one sector of the base station of the many sector strucres of splitting is corresponding a plurality of sub-sector, and give each sub-sector configuration TCH frequency and BCCH frequency in a plurality of sub-sectors, wherein the Broadcast Control Channel frequency of at least two sub-sectors is identical.Be in the embodiment of the invention, a BCCH frequency is shared at least two sub-sectors that obtain after the same sector splitting of the base station of many sector strucres, the BCCH frequency that saves like this can be used for the planning of TCH frequency, thereby the embodiment of the invention can be when realizing the network capacity extension, save the BCCH frequency, more TCH frequencies are provided.
Embodiment two:
As shown in Figure 3, in the present embodiment be with each sector splitting of the base station of three sector strucres corresponding about the sub-sector of two symmetries, wherein, about the overlay area of the combined coverage areas of sub-sector of two symmetries corresponding sector before corresponding to splitting, the overlay area of the corresponding sector in other words, before the combined coverage areas of the sub-sector of two symmetries and the splitting is identical; Each sub-sector configuration service frequency TCH1 and TCH2 respectively in the sub-sector of two symmetries about giving, each identical BCCH frequency of sub-sector configuration in the sub-sector of two symmetries about giving, promptly about the sub-sector of two symmetries share same BCCH frequency.In the present embodiment, about the sub-sector of two symmetries share same BCCH frequency, the BCCH frequency that saves like this can be used for the planning of TCH frequency, thus present embodiment can be saved the BCCH frequency when realizing the network capacity extension, more TCH frequencies are provided.
In the sub-sector as Fig. 3 splitting, each multicarrier module of sub-sector configuration, such sector just needs two multicarrier modules of configuration.As shown in Figure 4, sector two multicarrier modules that need dispose are called multicarrier module 1 and multicarrier module 2.Wherein, multicarrier module 1 and multicarrier module 2 are respectively applied for provides multicarrier (or being called wave beam), can carry out the merging and the distribution of baseband signal.Shown in Figure 4, two wave beams are shared a BCCH frequency f0, are used for receiving and transmitting signal on two wave beams simultaneously; Three TCH dominant frequency point f1～f3 of configuration on each wave beam, and dispose the auxilliary frequency f4～f6 of three adjacent wave bundle TCH, be used to do out-hole run and grand diversity.
The embodiment of the invention can be carried out following processing after realizing the sector splitting, for example:
1, (Separate Dedicated Control CHannel, when SDCCH) channel activated, two wave beams were measured line level simultaneously, and are reported in same measurement result by multicarrier module 1 when Separate Dedicated Control Channel.
2, when the TCH channel of the non-dominant frequency point of multicarrier module 1/2 activated, multicarrier module 2/1 was carried out the out-hole run of this TCH channel simultaneously, and was transmitted to multicarrier module 1/2 and reports in same measurement result.In addition two wave beams independently level measurement measure cell by newly-increased wave beam and report, the out-hole run of multicarrier module 1 reports at original out-hole run cell.
3, when the TCH channel of the non-dominant frequency point of multicarrier module 1/2 enters the simultaneously grand diversity state of activation of up-downgoing, multicarrier module 2/1 carry out respectively this TCH channel out-hole run, and be transmitted to multicarrier module 1/2 and in same measurement result, report.Two wave beams independently level measurement are measured cell by newly-increased wave beam and are reported, and the measurement after two wave beams merge reports at original out-hole run cell.
4, when the TCH of dominant frequency point channel activated, multicarrier module 1 and 2 was carried out the out-hole run of this TCH channel simultaneously, is reported in same measurement result by multicarrier module 1.
In the embodiment of the invention, can expand the Abis interface measurement message, increase the level measurement cell of 2 uplink beams, be specifically designed to the wave beam switching judging.Content increases the wave beam sign on original up level measurement cell basis.Definition multicarrier module 1 corresponding wave beam is designated 0, and multicarrier module 1 corresponding wave beam is designated 1.The wave beam sign of the level measurement cell of the 1st uplink beam is filled out multicarrier module 1 sign.Out-hole run cell originally remains unchanged, and is used for power control and minizone switching judging.
Compared with prior art, when the BCCH of six sectors frequency 3 * 6 is multiplexing, the implementation method of the splitting sector that the embodiment of the invention provides can be so that the quantity of BCCH frequency becomes 12 from 18, can save 6 frequencies like this and be used for the planning of TCH frequency, can put a dual-mode antenna for each wave beam polygamy, promote network capacity.
In the embodiment of the invention, each sector of the base station of splitting three sector strucres is two corresponding sub-sectors, and gives each sub-sector configuration TCH frequency and BCCH frequency in two sub-sectors, and wherein the Broadcast Control Channel frequency of each sub-sector is identical.Be in the embodiment of the invention, a BCCH frequency is shared in two sub-sectors that obtain after the same sector splitting of the base station of three sector strucres, the BCCH frequency that saves like this can be used for the planning of TCH frequency, thereby the embodiment of the invention can be when realizing the network capacity extension, save the BCCH frequency, more TCH frequencies are provided.
Embodiment three:
As shown in Figure 5, each sector splitting with the base station of four sector strucres in the present embodiment is corresponding identical sub-sector, three overlay areas, wherein, the overlay area of the corresponding sector of the combined coverage areas of three sub-sectors before corresponding to splitting, in other words, the overlay area of the corresponding sector before the combined coverage areas of three sub-sectors and the splitting is identical; Give each sub-sector difference configuration service frequency TCH1, TCH2 and TCH3 in three sub-sectors, dispose the BCCH frequency respectively to each sub-sector in three sub-sectors, wherein, same BCCH frequency f0 is shared in two sub-sectors (adjacent or non-conterminous), remains a BCCH frequency of sub-sector configuration f1.In the present embodiment, same BCCH frequency f0 is shared in two sub-sectors in three sub-sectors, and the BCCH frequency that saves like this can be used for the planning of TCH frequency, thereby present embodiment can be when realizing the network capacity extension, save the BCCH frequency, more TCH frequencies are provided.
Wherein, give the mode that each individual sub-sector disposes TCH frequency and BCCH frequency respectively in three sub-sectors identical with the foregoing description, present embodiment is not repeated.
Compared with prior art, when the BCCH of six sectors frequency 4 * 6 is multiplexing, the implementation method of the splitting sector that the embodiment of the invention provides can save 24 frequencies and be used for the planning of TCH frequency like this so that the quantity of BCCH frequency becomes 48 from 72, promotes network capacity.
In the embodiment of the invention, each sector of the base station of splitting four sector strucres is three corresponding sub-sectors, and gives each sub-sector configuration TCH frequency and BCCH frequency in three sub-sectors, and wherein the BCCH frequency of two sub-sectors is identical.Be in the embodiment of the invention, a BCCH frequency is shared in two sub-sectors in three sub-sectors that obtain after the same sector splitting of the base station of four sector strucres, the BCCH frequency that saves like this can be used for the planning of TCH frequency, thereby the embodiment of the invention can be when realizing the network capacity extension, save the BCCH frequency, more TCH frequencies are provided.
Embodiment four:
See also Fig. 6, the structural representation of a kind of base station that Fig. 6 provides for the embodiment of the invention.Wherein, this base station can comprise:
As an optional execution mode, at least one sector of the base station that splitting module 601 can the many sector strucres of splitting is two corresponding symmetrical sub-sectors.Wherein, splitting module according to actual needs 601 also can the many sector strucres of splitting at least one sector of base station be corresponding identical sub-sector, three overlay areas, or at least one sector of the base station of the many sector strucres of splitting is corresponding identical sub-sector, the overlay area more than three, and present embodiment does not limit.
For instance, the base station in the present embodiment can be the base station of three sector strucres, also can be the base station of the above structure in three sectors, base station of the base station of four sector strucres, six sector strucres or the like for example, and present embodiment does not limit.
As an optional execution mode, above-mentioned configuration module 602 specifically can be used for each the overloading frequency module of sub-sector configuration of a plurality of sub-sector to above-mentioned splitting module 601 splittings, and wherein, the overloading frequency module is used to provide overloading frequently;
Wherein, a carrier frequency in the overloading frequency that the overloading frequency module provides is corresponding with the BCCH frequency,, at least one carrier frequency in the overloading frequency that the overloading frequency module provides is corresponding with the TCH frequency.
In addition, use base station embodiment provided by the invention and realize that the concrete mode of sector splitting and preceding method embodiment of the present invention are similar, repeat no more herein.
In the embodiment of the invention, at least one sector of the base station of the many sector strucres of splitting module 601 splittings is corresponding a plurality of sub-sector, configuration module 602 is given each sub-sector configuration TCH frequency and BCCH frequency in a plurality of sub-sectors, and wherein the Broadcast Control Channel frequency of at least two sub-sectors is identical.Be in the embodiment of the invention, a BCCH frequency is shared at least two sub-sectors that obtain after the same sector splitting of the base station of many sector strucres, the BCCH frequency that saves like this can be used for the planning of TCH frequency, thereby the embodiment of the invention can be when realizing the network capacity extension, save the BCCH frequency, more TCH frequencies are provided.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprise USB flash disk, read-only memory (Read-Only Memory, ROM), random access device (Random Access Memory, RAM), various media that can be program code stored such as magnetic disc or CD.
More than the implementation method and the base station of a kind of sector splitting of providing in the embodiment of the invention is described in detail, 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 (8)
1. the implementation method of a sector splitting is characterized in that, comprising:
At least one sector of the base station of the many sector strucres of splitting is corresponding a plurality of sub-sector; The overlay area of the corresponding sector of the combined coverage areas of described a plurality of sub-sectors before corresponding to splitting;
Give each described sub-sector configuration Traffic Channel frequency and Broadcast Control Channel frequency in described a plurality of sub-sectors, wherein, the Broadcast Control Channel frequency of at least two described sub-sectors is identical.
2. method according to claim 1 is characterized in that, at least one sector of the base station of the many sector strucres of described splitting comprises for corresponding a plurality of sub-sector:
At least one sector of the base station of the many sector strucres of splitting is two corresponding symmetrical sub-sectors; Perhaps
At least one sector of the base station of the many sector strucres of splitting is corresponding identical sub-sector, the overlay area more than three or three.
3. method according to claim 1 is characterized in that, describedly gives that each described sub-sector configuration Traffic Channel frequency and Broadcast Control Channel frequency comprise in described a plurality of sub-sectors:
Give overloading frequency module of each described sub-sector configuration in described a plurality of sub-sectors, described overloading frequency module is used to provide overloading frequently;
Wherein, a carrier frequency in the described overloading frequency is corresponding with the Broadcast Control Channel frequency, and at least one carrier frequency in the described overloading frequency is corresponding with the Traffic Channel frequency.
4. according to any described method of claim 1～3, it is characterized in that described base station is at least three sector strucres.
5. a base station is characterized in that, comprising:
The splitting module, at least one sector that is used for the base station of the many sector strucres of splitting is corresponding a plurality of sub-sector; The overlay area of the corresponding sector of the combined coverage areas of described a plurality of sub-sectors before corresponding to splitting;
Configuration module is used for described a plurality of sub-sectors each described sub-sector configuration Traffic Channel frequency and Broadcast Control Channel frequency to the splitting of described splitting module, and wherein, the Broadcast Control Channel frequency of at least two described sub-sectors is identical.
6. base station according to claim 5 is characterized in that,
Described splitting module, at least one sector that is used for the base station of the many sector strucres of splitting is two corresponding symmetrical sub-sectors; Perhaps
Described splitting module, at least one sector that is used for the base station of the many sector strucres of splitting is corresponding identical sub-sector, the overlay area more than three or three.
7. base station according to claim 5 is characterized in that, described configuration module specifically is used for the overloading frequency module of each described sub-sector configuration of described a plurality of sub-sectors to the splitting of described splitting module, and described overloading frequency module is used to provide overloading frequently;
Wherein, a carrier frequency in the described overloading frequency is corresponding with the Broadcast Control Channel frequency, and at least one carrier frequency in the described overloading frequency is corresponding with the Traffic Channel frequency.
8. according to any described base station of claim 5～7, it is characterized in that described base station is at least three sector strucres.
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| CN103250443A (en) * | 2012-12-31 | 2013-08-14 | 华为技术有限公司 | A system and a network device based on shared BCCH frequency networking |
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| WO2014169469A1 (en) * | 2013-04-18 | 2014-10-23 | 华为技术有限公司 | Method and device for sending control channel information based on common cell networking |
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| WO2017092383A1 (en) * | 2015-12-03 | 2017-06-08 | 华为技术有限公司 | Multi-antenna transmission method under co-cell network, and base station |
| CN107078399A (en) * | 2015-10-13 | 2017-08-18 | 华为技术有限公司 | Many sector MIMO active antenna systems and communication equipment |
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| CN107078399B (en) * | 2015-10-13 | 2019-05-24 | 华为技术有限公司 | More sector MIMO active antenna systems and communication equipment |
| CN106685505A (en) * | 2015-11-10 | 2017-05-17 | 中国移动通信集团江苏有限公司 | Method and apparatus for achieving carrier aggregation |
| CN106685505B (en) * | 2015-11-10 | 2020-07-03 | 中国移动通信集团江苏有限公司 | Method and device for realizing carrier aggregation |
| WO2017092383A1 (en) * | 2015-12-03 | 2017-06-08 | 华为技术有限公司 | Multi-antenna transmission method under co-cell network, and base station |
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| WO2020107154A1 (en) * | 2018-11-26 | 2020-06-04 | 华为技术有限公司 | Data transmission method and device, and computer storage medium |
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Application publication date: 20110413 |