CN101990212B - Method and system for networking indoor and outdoor distribution systems - Google Patents
Method and system for networking indoor and outdoor distribution systems Download PDFInfo
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Abstract
The invention discloses a method and system for networking indoor and outdoor distribution systems. The method comprises the steps of: detecting scene characteristics of an indoor distribution system when deciding that the indoor distribution system needs to use frequency points of an outdoor distribution system, and judging whether the indoor distribution system has an indoor distribution inner ring region meeting preset conditions or not; and further dividing the indoor distribution system into an inner ring and an outer ring if the indoor distribution inner ring region meeting the preset conditions exists. The method and the system solve the problem of low utilization efficiency caused by an indoor and outdoor pilot frequency networking, further improve the frequency spectrum utilization rate, and do not cause serious channel interference.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of indoor and outdoor compartment system network-building method and system.
Background technology
Time Division-Synchronous Code Division Multiple Access inserts (Time Division-Synchronous CodeDivision Multiple Access, abbreviate TD-SCDMA as) commercial network employing N frequency point co-frequency network's mode, be that each residential quarter has an identical N frequency, comprise 1 dominant frequency and N-1 auxilliary frequency.Common signal channel only is based upon on the dominant frequency usually, and the dedicated channel of bearer service is based upon on all N frequency.The dominant frequency of each residential quarter adopts the principle of inter-frequency networking to plan usually, to reduce the interference between common signal channel under the identical networking, co-channel interference between dedicated channel then eliminates by the technology (for example multi-plot joint detection) of physical layer usually or the related algorithm of RRM (Radio Resource Management, RRM) is evaded.
At the outdoor and indoor two kinds of scenes in the commercial network, two kinds of different covering schemes of outdoor compartment system and indoor distributed system are arranged respectively.Channeling is realized by the networking of N frequency point co-frequency in each residential quarter under the outdoor compartment system, and multiplexing coefficient is 1, and wherein the dominant frequency of each residential quarter adopts the mode of legacy cellular inter-frequency networking to plan.And indoor distributed system utilizes the mode of zones of different (diverse location of different floors or same floor) in different passages in the many antenna channels of TD-SCDMA (can plan under different districts or planning under the same residential quarter) covering chamber to realize channeling, multiplexing coefficient can be 1, also can be greater than 1.It is big and be difficult to effectively permeate in the heavy construction of covering by outdoor compartment system that indoor distributed system is mainly used in the volume of business demand, for example large-scale market, hotel, hotel, office building, exhibition center, stadiums etc.Indoor distributed system has application foundation widely in the intensive big city of high-lager building.
Networking schematic diagram in the correlation technique can be with reference to figure 1, Fig. 2 and Fig. 3.
Fig. 1 is the whole network schematic diagram according to the indoor and outdoor compartment system inter-frequency networking of correlation technique.
As shown in Figure 1, what the honeycomb shape at the white end represented is outdoor compartment system residential quarter, and the various shapes representatives of grey background color is the indoor distributed system residential quarter.The building that these indoor distributed systems cover, similar isolated island one by one are seated in the outdoor compartment system ocean that the residential quarter is formed in flakes.The position of isolated island is irregular, may also may be the intersection of several outdoor compartment systems residential quarter in an outdoor compartment system residential quarter.The size of isolated island also be because of building different, but usually all less than the residential quarter of outdoor compartment system.
Fig. 2 is the beehive net schematic diagram according to the outdoor compartment system of correlation technique.
The networking of outdoor compartment system is a kind of beehive net of horizontal plane formula, each honeycomb among Fig. 2 represents a residential quarter, the F1/F2/F3 that indicates among the figure represents the dominant frequency of residential quarter, as seen the dominant frequency of neighbor cell is inter-frequency networking, but the business frequency of each residential quarter can use these 3 frequencies of F1/F2/F3, and business frequency is to adopt identical networking.
Fig. 3 is the many antenna channels networking schematic diagram according to the indoor distributed system of correlation technique.
As described in Figure 3, the networking of indoor distributed system is that a kind of rectilinear passage networking (also has the passage networking of horizontal, or both three-dimensional passage networkings of having concurrently), each passage covers a floor, and (perhaps a passage covers a plurality of floors, perhaps a plurality of passages cover the zones of different of a floor), each passage is formed a residential quarter (perhaps a plurality of passages are formed a residential quarter).Figure 3 shows that a kind of networking mode wherein, each passage covers a floor, and each passage is formed a residential quarter, the F4/F5/F6 that indicates among the figure is the dominant frequency of each residential quarter, as seen the dominant frequency of neighbor cell is inter-frequency networking, but the business frequency of each residential quarter can use these 3 frequencies of F4/F5/F6, and business frequency is to adopt identical networking, in the figure, RRU represents Radio Remote Unit.
At present in the TD-SCDMA commercial network, outdoor compartment system and indoor distributed system adopt the mode of inter-frequency networking, for example there are 6 frequency (F1～F6 in China Mobile, from 2010.8Mhz to 2020.8Mhz) the frequency bandwidth resource of 10Mhz altogether, give outdoor compartment system usefulness with these 3 frequency point allocation of F1/F2/F3, these 3 frequency point allocation of F4/F5/F6 are used to indoor distributed system.The mode of this indoor and outdoor inter-frequency networking can effectively be evaded the problem of indoor and outdoor co-channel interference, but spectrum utilization efficiency has just reduced, and for valuable day by day frequency spectrum resource, this is not an optimum covering scheme.
Problem at indoor and outdoor inter-frequency networking mode in the correlation technique causes spectrum utilization efficiency to reduce does not propose effective solution at present as yet.
Summary of the invention
Cause the problem of spectrum utilization efficiency reduction and propose the present invention at indoor and outdoor inter-frequency networking mode, for this reason, main purpose of the present invention is to provide a kind of indoor and outdoor compartment system network-building method and system, to address the above problem.
To achieve these goals, according to an aspect of the present invention, provide a kind of indoor and outdoor compartment system network-building method.
Indoor and outdoor compartment system network-building method according to the present invention comprises: when determining that indoor distributed system need use the frequency of outdoor compartment system, detect the scene characteristics of indoor distributed system, and judge according to detected scene characteristics whether indoor distributed system exists and satisfy pre-conditioned indoor distribution inner circle area; Satisfy pre-conditioned indoor distribution inner circle area if exist, then indoor distributed system is divided into inner ring and outer ring.
Preferably, the scene characteristics can comprise: indoor and outdoor spaces isolation thresholding.
Preferably, indoor and outdoor spaces isolation thresholding is the value in the signal strength signal intensity of the broadcast channel of indoor terminal the strongest detected outdoor cell, detect the scene characteristics of indoor distributed system and judge whether to exist according to the scene characteristics and satisfy pre-conditioned indoor distribution inner circle area and comprise: if the value of signal strength signal intensity smaller or equal to preset threshold, is then determined to exist to satisfy pre-conditioned indoor distribution inner circle area.
Preferably, indoor and outdoor spaces isolation thresholding for terminal the value of the signal strength signal intensity of the broadcast channel of indoor detected indoor cell and poor in the value of the signal strength signal intensity of the broadcast channel of indoor same position the strongest detected outdoor cell, detect the scene characteristics of indoor distributed system and judge whether to exist according to the scene characteristics and satisfy pre-conditioned indoor distribution inner circle area and comprise: if with terminal the value of the signal strength signal intensity of the broadcast channel of indoor detected indoor cell and in the difference of the value of the signal strength signal intensity of the broadcast channel of indoor same position the strongest detected outdoor cell more than or equal to preset threshold, determine that then existence satisfies pre-conditioned indoor distribution inner circle area.
Preferably, indoor and outdoor spaces isolation thresholding is two, be respectively the first indoor and outdoor spaces isolation thresholding and the second indoor and outdoor spaces isolation thresholding, the first indoor and outdoor spaces isolation thresholding is the value in the signal strength signal intensity of the broadcast channel of indoor terminal the strongest detected outdoor cell, the second indoor and outdoor spaces isolation thresholding for terminal the value of the signal strength signal intensity of the broadcast channel of indoor detected indoor cell and poor in the value of the signal strength signal intensity of the broadcast channel of indoor same position the strongest detected outdoor cell, detect the scene characteristics of indoor distributed system and judge whether to exist according to the scene characteristics and satisfy pre-conditioned indoor distribution inner circle area and comprise: if the first indoor and outdoor spaces isolation thresholding smaller or equal to the first threshold of setting and the second indoor and outdoor spaces isolation thresholding more than or equal to second threshold value of setting, then determine to exist to satisfy pre-conditioned indoor distribution inner circle area.
Preferably, satisfy pre-conditioned indoor distribution inner circle area if exist, then indoor distributed system is divided into inner ring and also comprises with the outer ring: inner ring is covered by different antenna channels respectively with the outer ring.
Preferably, satisfy pre-conditioned indoor distribution inner circle area if exist, then indoor distributed system is divided into inner ring and the outer ring also comprises: the frequency of indoor distributed system is used in the outer ring, and inner ring uses any frequency that comprises indoor distributed system and outdoor compartment system frequency.
Preferably, if do not need to use the frequency of outdoor compartment system or if there is no satisfy pre-conditioned indoor distribution inner circle area, this method also comprises: do not divide inner ring and outer ring, and only use the frequency of indoor distributed system.
To achieve these goals, according to a further aspect in the invention, provide a kind of indoor and outdoor compartment system group network system.
This indoor and outdoor compartment system group network system comprises indoor distributed system; Outdoor compartment system wherein, is divided into inner ring and outer ring according to default rule with indoor distributed system.
Preferably, Yu She rule comprises: judge whether to exist the indoor distribution inner circle area that satisfies setting space isolation thresholding.
Preferably, the frequency of indoor distributed system is used in the outer ring, and inner ring can use any frequency that comprises indoor distributed system and outdoor compartment system frequency.
By the present invention, adopt when determining that indoor distributed system need use the frequency of outdoor compartment system, detect the scene characteristics of indoor distributed system, and judge according to detected scene characteristics whether indoor distributed system exists and satisfy pre-conditioned indoor distribution inner circle area; Satisfy pre-conditioned indoor distribution inner circle area if exist, then indoor distributed system is divided into inner ring and outer ring, and by comprise any frequency of outdoor compartment system frequency in the inner ring use of indoor distributed system, solved the problem that indoor and outdoor inter-frequency networking mode causes spectrum utilization efficiency to reduce, and then reached and both improve the availability of frequency spectrum, can not cause the effect of serious co-channel interference again.
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 for explaining the present invention, do not constitute improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the whole network schematic diagram according to the indoor and outdoor compartment system inter-frequency networking of correlation technique;
Fig. 2 is the beehive net schematic diagram according to the outdoor compartment system of correlation technique;
Fig. 3 is the many antenna channels networking schematic diagram according to the indoor distributed system of correlation technique;
Fig. 4 is the flow chart according to the indoor and outdoor compartment system network-building method of the embodiment of the invention;
Fig. 5 is according to the three-dimensional networking schematic diagram of the many antenna channels under the indoor distribution scene of the embodiment of the invention;
Fig. 6 is the schematic diagram according to the indoor and outdoor compartment system group network system of the embodiment of the invention.
Embodiment
Functional overview
Consider that indoor and outdoor inter-frequency networking mode causes spectrum utilization efficiency to reduce, the embodiment of the invention provides a kind of indoor and outdoor compartment system network-building method and system, this method comprises: when determining that indoor distributed system need use the frequency of outdoor compartment system, detect the scene characteristics of indoor distributed system, and judge according to detected scene characteristics whether indoor distributed system exists and satisfy pre-conditioned indoor distribution inner circle area; Satisfy pre-conditioned indoor distribution inner circle area if exist, then indoor distributed system is divided into inner ring and outer ring.
Cause the low problem of the availability of frequency spectrum at indoor and outdoor compartment system inter-frequency networking in the present TD-SCDMA commercial network, this paper proposes a kind of take into full account and utilize the characteristics realization of covering scene under the indoor distributed system and the scheme of the accurate identical networking of outdoor compartment system.
Particularly, the accurate identical networking of indoor and outdoor compartment system is exactly according to the zones of different of indoor distribution and the different spaces isolation of outdoor distribution residential quarter, and the zone of indoor distribution is divided into Internal and external cycle.Intersection in indoor and outdoor, it is the lower indoor distribution outer ring of indoor and outdoor spaces isolation, dispose the frequency F4/F5/F6 of former indoor distributed system, the inter-frequency networking mode of feasible maintenance and outdoor compartment system F1/F2/F3, to evade problem of co-channel interference, and not with the interior zone of the indoor distribution of outdoor boundary, it is the higher indoor distribution inner ring of space isolation, can dispose all frequencies that comprise outdoor compartment system frequency F1/F2/F3, namely comprise F1/F2/F3/F4/F5/F6, like this, both improve the availability of frequency spectrum, and can not cause serious co-channel interference again.
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Method embodiment
According to embodiments of the invention, provide a kind of indoor and outdoor compartment system network-building method.
Fig. 4 is the flow chart according to the indoor and outdoor compartment system network-building method of the embodiment of the invention.
As shown in Figure 4, this method comprises that following step S402 is to step S404:
Step S402 when determining that indoor distributed system need use the frequency of outdoor compartment system, detects the scene characteristics of indoor distributed system, and judges according to detected scene characteristics whether indoor distributed system exists and satisfy pre-conditioned indoor distribution inner circle area;
Step S404 satisfies pre-conditioned indoor distribution inner circle area if exist, and then indoor distributed system is divided into inner ring and outer ring.
Be described in detail below in conjunction with the implementation procedure of example to the embodiment of the invention.
Preferably, this method comprises that following step S502 is to step S510:
Step S502, volume of business and the rate requirement of analysis indoor distributed system determine whether that needs use the frequency of outdoor compartment system, if desired, change step S504 over to, otherwise change step S508 over to;
Step S504, the scene characteristics of detection indoor distributed system determine whether to have the indoor distribution inner circle area that satisfies indoor and outdoor spaces isolation threshold requirement, if having, change step S506 over to, otherwise change step S508 over to;
Step S506, carry out zone and the antenna channels planning of indoor distributed system, indoor distribution is divided into Internal and external cycle, covered by different antenna channels respectively, the frequency of former indoor distributed system is used in the outer ring, inner ring then uses all frequencies that comprise former indoor distributed system and outdoor compartment system frequency, thereby can realize the accurate identical networking of indoor distributed system and outdoor compartment system.Change step S510 over to;
Step S508 carries out zone and the antenna channels planning of indoor distributed system, does not divide Internal and external cycle, and only uses the frequency of indoor distributed system, realizes inter-frequency networking with outdoor compartment system;
Step S510, indoor distributed system planning finishes.
Fig. 5 is according to the three-dimensional networking schematic diagram of the many antenna channels under the indoor distribution scene of the embodiment of the invention.
Among Fig. 5, the inner circle area of indoor distribution (at the bottom of the Dark grey) can adopt all frequency F1/F2/F3/F4/F5/F6 that comprise outdoor compartment system frequency F1/F2/F3, and the outer collar region of indoor distribution (the light grey end) then adopts the frequency F4/F5/F6 different with outdoor compartment system.Notice that the frequency that indicates among the figure does not represent the dominant frequency point, but represents business frequency here.
Based on the characteristic of indoor distributed system, indoor distribution Internal and external cycle zone must be covered respectively by different antenna channels, otherwise can not realize that Internal and external cycle divides open covering.But Internal and external cycle does not carry out cell splitting, and they belong in the same residential quarter.
Determining of indoor distribution inner circle area, be to need inner ring and the outdoor distribution residential quarter of indoor distribution residential quarter to satisfy certain space isolation, we are defined as a threshold delta with this space isolation, and δ will arrange according to the anti-co-channel interference ability of system and terminal.The invention provides 3 kinds of mode definition space isolations.
First kind to be the requirement terminal receive outdoor distribution residential quarter at indoor distribution residential quarter inner ring permeates the absolute signal intensity of coming in, usually the signal strength signal intensity of the broadcast channel of the strongest outdoor distribution residential quarter that receives with terminal is as the criterion, can not surpass absolute thresholding δ, according to present empirical value, can define δ is-100dBm, that is:
δ＝PCCPCH_RSCP_OutSide≤-100dBm (1)
Wherein, PCCPCH is primary common control physical passage (the Primary Common Physical Channel among the TD-SCDMA, abbreviate PCCPCH as), here representative is exactly broadcast channel, RSCP is received signal code power (Received Signal CodePower, abbreviate RSCP as), represented the reception signal strength signal intensity, Outside represents outdoor distribution residential quarter.PCCPCH_RSCP_Outside is illustrated in the value of signal strength signal intensity of the Primary Common Control Physical Channel of indoor terminal the strongest detected outdoor cell.
Second kind is the indoor distribution inner ring of the requirement signal strength signal intensity PCCPCH_RSCP_Indoor that receives indoor distribution CBCH (in the value of the signal strength signal intensity of the Primary Common Control Physical Channel of the detected indoor cell of indoor terminal) than the broadcast channel signal intensity PCCPCH_RSCP_OutSide that receives the strongest outdoor distribution residential quarter that infiltration comes in δ greatly at least, this is a relative threshold, preferably, can define δ is 20dB, that is:
δ＝PCCPCH_RSCP_Indoor-PCCPCH_RSCP_OutSide≥20dB (2)
The third definition is the intersection of first kind of definition and second kind of definition, defines two thresholding δ
1And δ
2, the corresponding absolute thresholding of difference and relative threshold, namely satisfy following formula:
The indoor distributed areas of the space isolation of any definition on satisfy can think the inner ring of indoor distribution to have good isolation performance with outdoor distribution residential quarter, can not form mutual interference.
Then, finally determine the zone of inner ring distribution and the planning layout of each antenna channels in conjunction with the characteristics of indoor distribution scene again, finally make indoor distributed system between co-channel interference level and spectrum utilization efficiency, reach the compromise an of the best.
Device embodiment
According to embodiments of the invention, provide a kind of indoor and outdoor compartment system group network system.
Fig. 6 is the schematic diagram according to the indoor and outdoor compartment system group network system of the embodiment of the invention.
As shown in Figure 6, this indoor and outdoor compartment system group network system comprises indoor distributed system and outdoor compartment system, wherein, according to default rule indoor distributed system is divided into inner ring and outer ring.
The rule that should preset can be for judging whether to exist the indoor distribution inner circle area that satisfies setting space isolation thresholding.If exist, then indoor distributed system be divided into inner ring and outer ring.
The frequency of former indoor distributed system is used in the outer ring, and inner ring can use any frequency that comprises former indoor distributed system and outdoor compartment system frequency.
Based on the characteristic of indoor distributed system, indoor distribution Internal and external cycle zone must be covered respectively by different antenna channels, otherwise can not realize that Internal and external cycle divides open covering.But Internal and external cycle does not carry out cell splitting, and they belong in the same residential quarter.
Determining of indoor distribution inner circle area is to need inner ring and the outdoor distribution residential quarter of indoor distribution residential quarter to satisfy certain space isolation, about the description among the description reference method embodiment of space isolation.
As can be seen from the above description, the invention solves the problem that indoor and outdoor inter-frequency networking mode causes spectrum utilization efficiency to reduce, and then reached and both improve the availability of frequency spectrum, can not cause the effect of serious co-channel interference again.
The above is the preferred embodiments of the present 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 doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. an indoor and outdoor compartment system network-building method is characterized in that, comprising:
When determining that indoor distributed system need use the frequency of outdoor compartment system, detect the scene characteristics of described indoor distributed system, and judge according to detected described scene characteristics whether described indoor distributed system exists and satisfy pre-conditioned indoor distribution inner circle area;
Satisfy described pre-conditioned described indoor distribution inner circle area if exist, then described indoor distributed system is divided into inner ring and outer ring;
Wherein, described indoor distributed system is divided into inner ring and the outer ring also comprises: the frequency of described indoor distributed system is used in described outer ring, and described inner ring uses any frequency that comprises described indoor distributed system and described outdoor compartment system frequency;
Described scene characteristics comprise: indoor and outdoor spaces isolation thresholding.
2. method according to claim 1 is characterized in that,
Described indoor and outdoor spaces isolation thresholding is the value in the signal strength signal intensity of the broadcast channel of indoor terminal the strongest detected outdoor cell;
Detect the scene characteristics of described indoor distributed system and judge whether to exist according to described scene characteristics and satisfy pre-conditioned indoor distribution inner circle area and comprise:
If the value of described signal strength signal intensity smaller or equal to preset threshold, is then determined to exist to satisfy described pre-conditioned indoor distribution inner circle area.
3. method according to claim 1 is characterized in that,
Described indoor and outdoor spaces isolation thresholding for terminal the value of the signal strength signal intensity of the broadcast channel of indoor detected indoor cell and poor in the value of the signal strength signal intensity of the broadcast channel of indoor same position the strongest detected outdoor cell;
Detect the scene characteristics of described indoor distributed system and judge whether to exist according to described scene characteristics and satisfy pre-conditioned indoor distribution inner circle area and comprise:
If described with terminal the value of the signal strength signal intensity of the broadcast channel of indoor detected indoor cell and in the difference of the value of the signal strength signal intensity of the broadcast channel of indoor same position the strongest detected outdoor cell more than or equal to preset threshold, then determine to exist to satisfy described pre-conditioned indoor distribution inner circle area.
4. method according to claim 1 is characterized in that,
Described indoor and outdoor spaces isolation thresholding is two, be respectively the first indoor and outdoor spaces isolation thresholding and the second indoor and outdoor spaces isolation thresholding, the described first indoor and outdoor spaces isolation thresholding is the value in the signal strength signal intensity of the broadcast channel of indoor terminal the strongest detected outdoor cell, the described second indoor and outdoor spaces isolation thresholding for terminal the value of the signal strength signal intensity of the broadcast channel of indoor detected indoor cell and poor in the value of the signal strength signal intensity of the broadcast channel of indoor same position the strongest detected outdoor cell;
Detect the scene characteristics of described indoor distributed system and judge whether to exist according to described scene characteristics and satisfy pre-conditioned indoor distribution inner circle area and comprise:
If the described first indoor and outdoor spaces isolation thresholding, is then determined to exist to satisfy described pre-conditioned indoor distribution inner circle area more than or equal to second threshold value of setting smaller or equal to the first threshold of setting and the described second indoor and outdoor spaces isolation thresholding.
5. method according to claim 1 is characterized in that, satisfies described pre-conditioned described indoor distribution inner circle area if exist, and then described indoor distributed system is divided into inner ring and the outer ring also comprises:
Described inner ring is covered by different antenna channels respectively with described outer ring.
6. according to each described method in the claim 1 to 5, it is characterized in that if do not need to use the frequency of described outdoor compartment system or if there is no satisfy described pre-conditioned described indoor distribution inner circle area, described method also comprises:
Do not divide inner ring and outer ring, and only use the frequency of described indoor distributed system.
7. an indoor and outdoor compartment system group network system is characterized in that, comprising:
Indoor distributed system;
Outdoor compartment system,
Wherein, according to default rule described indoor distributed system is divided into inner ring and outer ring;
Described default rule comprises: judge whether to exist the indoor distribution inner circle area that satisfies setting space isolation thresholding;
Wherein, the frequency of described indoor distributed system is used in described outer ring, and described inner ring uses any frequency that comprises described indoor distributed system and described outdoor compartment system frequency.
8. indoor and outdoor compartment system group network system according to claim 7, it is characterized in that, the frequency of described indoor distributed system is used in described outer ring, and described inner ring uses any frequency that comprises described indoor distributed system and described outdoor compartment system frequency.
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| CN103220111B (en) * | 2013-04-02 | 2016-08-03 | 京信通信系统（广州）有限公司 | A kind of method and apparatus that the carrier resource of common signal channel is allocated |
| CN103220676B (en) * | 2013-04-09 | 2015-08-19 | 京信通信系统（中国）有限公司 | A kind of frequency multiplexing method, equipment and system |
| CN104703194A (en) * | 2013-12-05 | 2015-06-10 | 中兴通讯股份有限公司 | Indoor distribution system and realizing method thereof |
| CN109963289B (en) * | 2017-12-26 | 2020-11-24 | 中国移动通信集团公司 | Indoor distribution base station establishing method and device |
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| CN1845632A (en) * | 2005-12-26 | 2006-10-11 | 华为技术有限公司 | Method for realizing wireless signal indoor coverage |
| CN101022642A (en) * | 2006-02-13 | 2007-08-22 | 中兴通讯股份有限公司 | Wireless communication network planning method |
| CN101442750A (en) * | 2007-11-23 | 2009-05-27 | 杰脉通信技术(上海)有限公司 | Method for autonomous configuration of indoor household base station working frequency of 3rd generation mobile communication |
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| CN1845632A (en) * | 2005-12-26 | 2006-10-11 | 华为技术有限公司 | Method for realizing wireless signal indoor coverage |
| CN101022642A (en) * | 2006-02-13 | 2007-08-22 | 中兴通讯股份有限公司 | Wireless communication network planning method |
| CN101442750A (en) * | 2007-11-23 | 2009-05-27 | 杰脉通信技术(上海)有限公司 | Method for autonomous configuration of indoor household base station working frequency of 3rd generation mobile communication |
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