CN104703194A - Indoor distribution system and realizing method thereof - Google Patents
Indoor distribution system and realizing method thereof Download PDFInfo
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- CN104703194A CN104703194A CN201310655609.8A CN201310655609A CN104703194A CN 104703194 A CN104703194 A CN 104703194A CN 201310655609 A CN201310655609 A CN 201310655609A CN 104703194 A CN104703194 A CN 104703194A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
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Abstract
The invention discloses a realizing method of an indoor distribution system. An area covered by a signal source of the indoor distribution system is divided into an inner area and an outer area, wherein the signal source of the indoor distribution system provides signals for the inner area, and the outer area and the signal source of the indoor distribution system are in controllable connection; and the outer area and the signal source of the indoor distribution system are connected or disconnected according to indoor and outdoor signal measurement parameters. The invention also discloses the indoor distribution system.
Description
Technical field
The present invention relates to indoor coverage of signal technology in mobile communication, particularly relate to a kind of indoor distributed system and its implementation.
Background technology
Along with the fast development of mobile cellular communication technology, numerous mobile subscribers are no longer satisfied with good outdoor Mobile Communication Service, also require the Mobile Communication Service enjoying high-quality in indoor.
And modern architecture is skeleton mainly with armored concrete, add fully closed exterior decoration, severe especially to the shielding attenuation of radio signal.In order to address this problem, most effective method installs indoor distributed system in building at present.
Architecture enclosing region near the window in indoor distributed system application, because following reason makes the outdoor base station signal strength signal intensity fluctuating range that receives very large: 1) operator carries out the network optimization or expansion planning, outdoor base station layout or engineering parameter by change, make indoor near window areas accept to outdoor signal be difficult to predict or control change; 2) frequency range of different communication systems is different, and the usual independent planning and designing of Outdoor Network, even if so identical region near the window, the signal power of different systems system is also different.
Summary of the invention
In view of this, the embodiment of the present invention is expected to provide a kind of indoor distributed system and its implementation, can be mobile communication signal that the overlay area of indoor distributed system provides quality high in a preferred way.
Technical scheme of the present invention is achieved in that
Embodiments provide a kind of implementation method of indoor distributed system, described method comprises:
Indoor distributed system signal source overlay area is divided into inner region and outskirt; Wherein, described inner region provides signal by indoor distributed system signal source, and described outskirt is connected with indoor distributed system signal source is controlled; According to indoor and outdoor signal measurement parameter outskirt be communicated with indoor distributed system signal source or disconnect.
Embodiments provide a kind of indoor distributed system, described system comprises: indoor distributed system signal source, controlled connector and monitoring server; Wherein, described indoor distributed system signal source, for providing signal of communication for indoor distributed system signal source overlay area; Described controlled connector, for being connected outskirt with indoor distributed system signal source is controlled; Described monitoring server, for indoor distributed system signal source overlay area is divided into inner region and outskirt, described inner region provides signal by indoor distributed system signal source; Also for according to indoor and outdoor signal measurement parameter outskirt being communicated with indoor distributed system signal source or disconnecting.
The indoor distributed system that the embodiment of the present invention provides and its implementation, indoor distributed system signal source overlay area is divided inner region and outskirt, and wherein, inner region provides signal by indoor distributed system signal source, and outskirt is connected with indoor distribution signal source is controlled; According to indoor and outdoor signal measurement parameter outskirt be communicated with indoor distributed system signal source or disconnect; So, can guarantee to be the overlay area especially outskirt mobile communication signal that provides quality high of indoor distributed system in a preferred way.
In addition, in the indoor distributed system that the embodiment of the present invention provides, the controlled connector used is passive device, the quality problems easily occurred when can stop Long-Time Service active device, also can reduce O&M cost simultaneously; And the indoor distributed system that the embodiment of the present invention provides is mainly used in indoor and outdoor with scene frequently, is more suitable for current applied environment.
Accompanying drawing explanation
The schematic flow sheet of the indoor distributed system implementation method that at least one embodiment of Fig. 1 the present invention provides;
The indoor distributed system signal source that Fig. 2 provides at least one embodiment of the present invention connects the first connected mode schematic diagram of inner region and outskirt by controlled connector;
The indoor distributed system signal source that Fig. 3 provides at least one embodiment of the present invention connects the second connected mode schematic diagram of inner region and outskirt by controlled connector;
The indoor distributed system signal source that Fig. 4 provides at least one embodiment of the present invention connects the third connected mode schematic diagram of inner region and outskirt by controlled connector;
Fig. 5 is controlled two-phase switch junctions composition at least one embodiment of the present invention;
Fig. 6 is controllable attenuator structure chart at least one embodiment of the present invention;
Fig. 7 is the mode schematic diagram connection line of at least one embodiment of the present invention between indoor distributed system signal source and controlled connector being arranged frequency range splitter;
Fig. 8 is the example of practical application figure connection line of at least one embodiment of the present invention between indoor distributed system signal source and controlled connector being arranged the mode of frequency range splitter;
The indoor distributed system structural representation that Fig. 9 provides at least one embodiment of the present invention.
Embodiment
In the embodiment of the present invention, Region dividing indoor distributed system signal source covered is inner region and outskirt; Wherein, described inner region provides signal by indoor distributed system signal source, and described outskirt is connected with indoor distributed system signal source is controlled; According to indoor and outdoor signal measurement parameter outskirt be communicated with indoor distributed system signal source or disconnect.
Below by drawings and the specific embodiments, the present invention is described in further detail.
At least one embodiment of the present invention provides a kind of indoor distributed system implementation method, and as shown in Figure 1, the method comprises the following steps:
Step 101: indoor distributed system signal source overlay area is divided into inner region and outskirt; Wherein, described inner region provides signal by indoor distributed system signal source, and described outskirt is connected with indoor distributed system signal source is controlled;
Concrete, when room area arranges indoor distributed system, first the room area that indoor distributed system signal source covers is divided into inner region and outskirt; Here, described inner region refers to that outdoor signal is more weak, and namely building penetration loss is greater than the region of appointed threshold, and the outdoor signal receiving intensity usually measurement obtained is inner region lower than the Region dividing of appointment receiving intensity thresholding 15 ~ 25dB; In practical application, generally can using the indoor receiving intensity near window area as described appointment receiving intensity thresholding, inner region is generally outdoor signal and covers more weak region, therefore, is applicable to using indoor distributed system signal source to cover in inner region always; Afterwards, be outskirt by other Region dividing of the indoor except inner region, outskirt is generally comparatively strong, the indoor region less near door and window, building penetration loss of outdoor signal;
Further, the main plot number that the outdoor signal received by outskirt belongs to, can be subdivided into several outskirt child partitions by outskirt;
Concrete, the main plot number that the outdoor signal that can receive according to outskirt belongs to is how many, just outskirt is divided into outskirt child partition that is equal with described main plot number or more number; Such as, the outdoor signal received when outskirt only comes from an outdoor cell, then outskirt is divided into one or more outskirt child partition, if the outdoor signal that outskirt receives comes from three outdoor cell, then outskirt is divided into the outskirt child partition of more than three or three, by that analogy;
The number of the main plot that the outdoor signal received by outskirt belongs to is dynamic change, and this change is difficult to prediction, therefore, according to the outskirt child partition size of specifying, outskirt can also be divided into several outskirt child partitions equal with specifying outskirt child partition size;
In the application of reality, can also consider the factors such as the main plot coverage that actual needs or outdoor signal belong to, the main plot that certain outdoor signal corresponding belongs to divides multiple outskirt child partition, to provide high-quality signal of communication better.
Here, outdoor signal receiving intensity can carry the outdoor signal reception merit intensity of drive test terminal to regional within the scope of target area by tester and measure, the outdoor signal receiving intensity of zones of different is dynamic change, utilize drive test software logging test results afterwards, and form the ground physics and chemistry distribution map of received signal strength, according to the situation of change of signal strength signal intensity, according to method presented hereinbefore, indoor distributed system signal source overlay area is divided into inner region and outskirt.
In actual applications, usually the mobile communication signal of various standard is adopted in indoor distributed system, after various mobile communication signal carries out conjunction road by frequency band combiner, adopt the remote radio unit (RRU) (RRU of mobile communication system, Radio Remote Unit) launch, be covered to room area; Indoor distributed system signal source present stage at least one embodiment of the present invention just refers to described RRU; At present, Ye You operator manages separately a kind of mobile communication signal of standard in indoor distributed system, that is, and the signal source in indoor distributed system not only; Accordingly, the method that at least one embodiment of the present invention can be adopted to provide for each indoor distributed system signal source carries out the setting of indoor distributed system.
In at least one embodiment of the present invention, indoor distributed system signal source is directly connected with inner region by wired mode, or indoor distributed system signal source is connected with inner region after power splitter or coupler; That is, at least one embodiment of the present invention, more weak inner region is covered for outdoor signal and adopts indoor distributed system signal source to cover always; And good outskirt is covered for outdoor signal, need to carry out independent switching controls according to indoor and outdoor signal measurement parameter.
Further, outskirt is divided into multiple outskirt child partition again by least one embodiment of the present invention, by realizing each outskirt child partition controlling separately, realizes the Precise control of the quorum sensing inhibitor to outskirt.
In at least one embodiment of the present invention, indoor distributed system signal source connects inner region and outskirt by controlled connector, can include but not limited to following three kinds of connected modes:
A) the first connected mode
In the first connected mode, indoor distributed system signal source is directly connected with inner region, then connects each outskirt child partition again by inner region, concrete, and inner region is connected with each outskirt child partition respectively by controlled connector; The first connected mode schematic diagram as shown in Figure 2.
B) the second connected mode
In the second connected mode, signal, by after power divider or coupler, is divided into two-way, is respectively signal 1 and signal 2 by indoor distributed system signal source, then described signal 1 is directly connected with inner region, described signal 2 is connected each outskirt child partition respectively by controlled connector; The second connected mode schematic diagram as shown in Figure 3.
C) the third connected mode
In the third connected mode, indoor distributed system signal source is directly connected with inner region, and is connected with each outskirt child partition respectively by controlled connector; The third connected mode schematic diagram as shown in Figure 4.
Concrete, at least one embodiment of the invention, no matter adopt above-mentioned any connected mode, inner region is connected all in a wired fashion with outskirt child partition or between each outskirt child partition with indoor distributed system signal source.
Controlled connection described at least one embodiment of the present invention includes but not limited to following two kinds of modes:
The first, connected by controlled two-phase switch.Concrete, when being connected by controlled two-phase switch, can by switching the connection status of controlled two-phase switch breaker in middle, controlled two-phase switch and indoor distributed system signal source are connected or disconnected, the basic structure of controlled two-phase switch is as shown in Figure 5; When described controlled two-phase switch open, described switch is connected to outskirt child partition direction, then outskirt child partition is communicated with indoor distributed system signal source; When described controlled two-phase switch cuts out, described switch is connected and fixed matched load, then outskirt child partition and indoor distributed system signal disconnect.Described controlled two-phase switch can be mechanical switch or electronic control switch; Wherein, mechanical switch needs by Non-follow control, and electronic control switch can be used for automatic control.
The second, is connected by controllable attenuator.Concrete, the basic structure of described controllable attenuator as shown in Figure 6, when described controllable attenuator is opened, to the pad value of indoor distributed system signal minimum (close to zero), then outskirt child partition and indoor distributed system signal communication; When described controllable attenuator is closed, the highest to the pad value of indoor distributed system signal, then outskirt child partition and indoor distributed system signal disconnect completely; Described attenuator can be Mechanical course attenuator or Electronic Control attenuator, and wherein, Mechanical course attenuator needs Non-follow control, and Electronic Control attenuator can be used for automatic control.
Further, at least one embodiment of the present invention can also control outskirt child partition and is connected with the indoor distributed system signal of different frequency range by arranging frequency screening circuit; Concrete, connection line between indoor distributed system signal source and outskirt child partition is arranged frequency range splitter, controlled connector and frequency band combiner, the set-up mode of described frequency range splitter, controlled connector and frequency band combiner as shown in Figure 7, the signal resource of distribution system signal of coming indoor, two shunt are formed after a frequency range splitter, be respectively shunt and lower shunt, upper shunt being the indoor distributed system signal of designated frequency band, lower shunt is the signal of other frequency ranges; Afterwards, the signal tandem in upper shunt and lower shunt is connected to outskirt child partition after frequency band combiner; Upper shunt between frequency range splitter and frequency band combiner arranges controlled connector, thus by switching controlled connector state, control the indoor distributed system signal frequency range for outskirt child partition provides: when controlled connector is opened, outskirt child partition will connect the indoor distributed system signal source signal of all frequency ranges; When controlled connector cuts out, outskirt child partition is only connected with the indoor distributed system signal of other frequency range.
At least one embodiment of the present invention can be applicable to various mobile communication standard, such as code division multiple access/only evolution data (CDMA/EVDO, Code Division Multiple Access/Evolution Data Only), universal mobile telecommunications system (UMTS, Universal Mobile Telecommunications System), Frequency Division Duplexing (FDD) Long Term Evolution (FDD-LTE, Frequency Division Duplexing-Long Term Evolution) etc.At present, mobile communication carrier runs multiple network usually simultaneously, such as, the public wireless network that certain operator manages mainly contains three kinds: 2G/3G mobile communication system and adopts CDMA standard in 800MHz frequency range, 4G mobile communication system is that LTE is in 2.1GHz frequency range, also has WLAN (wireless local area network) (WLAN, WirelessLocal Area Networks) in 2.4GHz frequency range.Scheme described in composition graphs 7, under normal circumstances, these three kinds of mobile communications networks share indoor distributed system, then indoor distributed system signal source comprises the signal of three kinds of different mobile communication standards, and these three kinds of signals are sent by signal source after closing road by frequency band combiner; Then except WLAN only has internal home network without the need to except controlled connector control, the frequency range of CDMA, LTE system differs greatly, and Outdoor Network topology also may be different, the independent control of suggestion; Therefore, can be the structure of Fig. 8 by the structure refinement of Fig. 7, wherein, the connection of controlled connector A control LTE signal, the connection of controlled connector B control CDMA signal.
Step 102: according to indoor and outdoor signal parameter outskirt be communicated with indoor distributed system signal source or disconnect;
Here, described indoor and outdoor signal parameter comprises: indoor pilot power, the strongest outdoor district pilots power, indoor distributed system cover the signal to noise ratio of cell-edge thresholding, only use indoor distributed system signal and only use the signal to noise ratio of outdoor signal;
Concrete, describedly according to indoor and outdoor signal parameter outskirt be communicated with indoor distributed system signal source or disconnect, comprising:
The first situation:
When outskirt child partition current state is for use outdoor signal, if meet the following conditions A1 and condition B1 simultaneously, then outskirt child partition is communicated with indoor distributed system signal source:
A1, indoor pilot power > indoor distributed system cover cell-edge thresholding;
B1, only the signal to noise ratio > of use indoor distributed system signal only use the signal to noise ratio+Y of outdoor signal;
Wherein Y is the span 1-4dB of amount of hysteresis, Y, and object avoids pingpang handoff.
When outskirt child partition present situation is for using indoor distributed system signal, if meet the following conditions A2 and condition B2 simultaneously, then outskirt child partition and indoor distributed system signal source are disconnected:
A2, outdoor the strongest district pilots power > indoor distributed system cover cell-edge thresholding;
B2, only the signal to noise ratio > of outdoor signal is used only to use the signal to noise ratio+Y of indoor distributed system signal;
Wherein, Y is the span 1-4dB of amount of hysteresis, Y, and object avoids pingpang handoff, and now, outskirt child partition only uses outdoor signal;
In addition, because the practical situations of indoor distributed system is varied, in reality is implemented, might not simultaneously using above-mentioned A1 with B1 as performing the Rule of judgment disconnected, the Rule of judgment be communicated with as execution using above-mentioned A2 with B2, can also, only using above-mentioned A1 and B1 as performing the Rule of judgment disconnected, outskirt in all the other situations, be all kept to be communicated with indoor distributed system signal source; Or, using above-mentioned A2 with B2 as performing the Rule of judgment be communicated with, in all the other situations, all keep outskirt and indoor distributed system signal source to disconnect; Therefore, describedly according to indoor and outdoor signal parameter outskirt be communicated with indoor distributed system signal source or disconnect, following second and third kind of situation can also be comprised:
The second situation:
When outskirt current state is for use outdoor signal, if meet the following conditions A1 and condition B1 simultaneously, then outskirt is communicated with indoor distributed system signal source:
A1, indoor pilot power > indoor distributed system cover cell-edge thresholding;
B1, only the signal to noise ratio > of use indoor distributed system signal only use the signal to noise ratio+Y of outdoor signal;
Wherein, Y is the span 1-4dB of amount of hysteresis, Y, and object avoids pingpang handoff.
Outskirt and indoor distributed system signal source is all kept to disconnect in all the other situations.
The third situation:
When outskirt present situation is for using indoor distributed system signal, if meet the following conditions A2 and condition B2 simultaneously, then outskirt and indoor distributed system signal source are disconnected:
A2, outdoor the strongest district pilots power > indoor distributed system cover cell-edge thresholding;
B2, only the signal to noise ratio > of outdoor signal is used only to use the signal to noise ratio+Y of indoor distributed system signal;
Wherein, Y is the span 1-4dB of amount of hysteresis, Y, and object avoids pingpang handoff, and now, outskirt only uses outdoor signal;
Outskirt is all kept to be communicated with indoor distributed system signal source in all the other situations.
It should be noted that, the value of Y is not limited to the scope that the embodiment of the present invention provides; In actual applications, the span of Y often needs to adjust according to the situation of the network optimization.
In actual applications, basic covering index when " indoor distributed system covers cell-edge thresholding " of one of controlled connector state switch decision condition is Design of Indoor Signal Distributed System, such as, for FDD-LTE system, this parameter value characterizes with downlink reference signal receiving intensity RSRP usually, described about RSRP=-105dBm; For EVDO system, this parameter value characterizes with received power Rx usually, described about Rx=-90dBm; Two lag parameter Ys relevant to signal to noise ratio of switch decision condition, be the pingpang handoff in order to avoid controlled connector, Y value span is 1 ~ 4dB.
Need the situation of change according to outdoor signal in step 102, periodically upgrade controlled connector state, at least one embodiment of the present invention provides following two states update method:
The first is that human at periodic intervals safeguards control: every one-period, carries out indoor drive test to the outskirt of indoor distributed system, the indoor and outdoor signal parameter in each outskirt child partition of test record; Then, according to above-mentioned switch decision condition, determine whether each outskirt child partition opens indoor distributed system signal, finally implements.
The second is, automatic control: in each outskirt child partition, place the automatic measurement reporting terminal of one or more dispersion distribution, these terminal periodic report indoor and outdoor signal parameter from trend monitoring server, monitoring server, according to above-mentioned switch decision condition, controls the state of each controlled connector.
In order to realize said method, at least one embodiment of the present invention provides a kind of indoor distributed system, and as shown in Figure 9, be the basic composition schematic diagram of this system, this system comprises: indoor distributed system signal source 91, controlled connector 92 and monitoring server 93; Wherein,
Described indoor distributed system signal source 91, for providing signal of communication for indoor distributed system signal source overlay area;
Described controlled connector 92, for being connected outskirt with indoor distributed system signal source is controlled;
Here, described controlled connector 92, for being connected with indoor distributed system signal source is controlled by outskirt, comprising: described controlled connector 92, for by outskirt and the controlled connection of inner region, makes outskirt be connected with indoor distributed system signal source via inner region; Or described controlled connector 92 is for being directly connected outskirt with indoor distributed system signal source is controlled.
Further, described outskirt can be divided into multiple outskirt child partition, so, described controlled connector 92 is for being connected outskirt with indoor distributed system signal source is controlled, comprise: described controlled connector is used for each outskirt child partition to be connected with inner region respectively, and each outskirt child partition is connected with indoor distributed system signal source via inner region; Or described controlled connector is used for directly being connected with indoor distributed system signal source respectively by each outskirt child partition; Or described controlled connector is used for being connected by the indoor distributed system signal source after power divider or coupler with each outskirt child partition.
Here, described controlled connector can adopt controlled two-phase switch or controllable attenuator.
Described monitoring server 93, for indoor distributed system signal source overlay area is divided into inner region and outskirt, wherein, described inner region provides signal by indoor distributed system signal source, and described outskirt is connected with indoor distributed system signal source is controlled; Also for according to indoor and outdoor signal measurement parameter outskirt being communicated with indoor distributed system signal source or disconnecting.
Concrete, described monitoring server 93 is for being divided into inner region and outskirt by indoor distributed system signal source overlay area, comprise: other indoor distributed system signal source overlay area, the indoor beyond inner region, for being inner region by measuring the outdoor signal receiving intensity that obtains lower than specifying the Region dividing of receiving intensity thresholding 15 ~ 25dB, is divided into outskirt by described monitoring server 93.
Described monitoring server 93, also for the outdoor main plot number that the outdoor signal received according to outskirt belongs to, is divided into outskirt child partition that is equal with described outdoor main plot number or more number by outskirt; Or, according to the outskirt child partition size of specifying, outskirt is divided into the outskirt child partition that several are equal with described outskirt child partition size of specifying; In the application of reality, described monitoring server 93 can also according to actual needs or the factor such as the main plot coverage that belongs to of outdoor signal, the main plot that certain outdoor signal corresponding belongs to divides multiple outskirt child partition, to provide high-quality signal of communication better.
Further, described monitoring server 93, also for be communicated with indoor distributed system signal source by outskirt according to indoor and outdoor signal parameter or to disconnect;
Wherein, described indoor and outdoor signal measurement parameter comprises: indoor pilot power, indoor distributed system cover cell-edge thresholding, only use the signal to noise ratio of indoor distributed system signal, only use the strongest district pilots power of the signal to noise ratio of outdoor signal and outdoor;
Describedly according to indoor and outdoor signal parameter outskirt be communicated with indoor distributed system signal source or disconnect, comprise: when outskirt child partition current state is for use outdoor signal, monitoring server 93 is for judging whether indoor pilot power is greater than indoor distributed system and covers cell-edge thresholding, and judge to use the signal to noise ratio of indoor distributed system signal whether to be greater than the signal to noise ratio+Y only using outdoor signal, wherein Y is amount of hysteresis, the span 1-4dB of Y, object avoids pingpang handoff, if met simultaneously, then outskirt child partition is communicated with indoor distributed system signal source; When outskirt child partition present situation is for using indoor distributed system signal, monitoring server 93 is for judging whether the strongest district pilots power in outdoor is greater than indoor distributed system and covers cell-edge thresholding, and judge only to use the signal to noise ratio of outdoor signal whether to be greater than the signal to noise ratio+Y only using indoor distributed system signal, wherein Y is amount of hysteresis, the span 1-4dB of Y, object avoids pingpang handoff, if met simultaneously, then outskirt child partition and indoor distributed system signal source disconnected; Or,
Monitoring server is for judging whether indoor pilot power is greater than indoor distributed system and covers cell-edge thresholding, and judge to use the signal to noise ratio of indoor distributed system signal whether to be greater than the signal to noise ratio+Y only using outdoor signal, wherein Y is amount of hysteresis, the span 1-4dB of Y, object avoids pingpang handoff, when judging simultaneously as being, then outskirt is communicated with indoor distributed system signal source; In all the other situations, outskirt child partition and indoor distributed system signal source are disconnected; Or,
Monitoring server is for judging whether the strongest district pilots power in outdoor is greater than indoor distributed system and covers cell-edge thresholding, and judge only to use the signal to noise ratio of outdoor signal whether to be greater than the signal to noise ratio+Y only using indoor distributed system signal, wherein Y is amount of hysteresis, the span 1-4dB of Y, object avoids pingpang handoff, when judging simultaneously as being, then outskirt and indoor distributed system signal source are disconnected; In all the other situations, outskirt child partition and indoor distributed system signal source are disconnected.
Above-mentioned indoor distributed system also comprises: frequency screening circuit 94, and described frequency screening circuit 94 is arranged on the connection line between indoor distributed system signal source and outskirt child partition; Described frequency screening circuit 94 comprises: frequency range splitter, controlled connector and frequency band combiner; Wherein,
Described frequency range splitter, for being divided into two shunt by the signal that signal resource of distribution system is come indoor: along separate routes upper and lower shunt; Described upper shunt being the indoor distributed system signal of designated frequency band, described lower shunt is the signal of other frequency range;
Described frequency band combiner, for merging the signal in described upper shunt and the signal in lower shunt, and is connected to outskirt child partition by the signal after merging;
Described controlled connector is arranged in the upper shunt between frequency range splitter and frequency band combiner, for screening the indoor distributed system signal of designated frequency band.
Above-mentioned indoor distributed system also comprises measures reporting terminal 95, reports indoor and outdoor signal measurement parameter for periodic measurement from trend monitoring server;
Wherein, described indoor and outdoor signal measurement parameter comprises: indoor pilot power, indoor distributed system cover cell-edge thresholding, only use the signal to noise ratio of indoor distributed system signal, only use the parameters such as the strongest district pilots power of the signal to noise ratio of outdoor signal and outdoor.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (19)
1. an implementation method for indoor distributed system, is characterized in that, described method comprises:
Indoor distributed system signal source overlay area is divided into inner region and outskirt; Wherein, described inner region provides signal by indoor distributed system signal source, and described outskirt is connected with indoor distributed system signal source is controlled;
According to indoor and outdoor signal measurement parameter outskirt be communicated with indoor distributed system signal source or disconnect.
2. method according to claim 1, it is characterized in that, described indoor and outdoor signal measurement parameter comprises: indoor pilot power, indoor distributed system cover cell-edge thresholding, only use the signal to noise ratio of indoor distributed system signal, only use the strongest district pilots power of the signal to noise ratio of outdoor signal and outdoor.
3. method according to claim 2, is characterized in that, to be describedly communicated with indoor distributed system signal source by outskirt according to indoor and outdoor signal parameter or to disconnect, and comprising:
Judge whether indoor pilot power is greater than indoor distributed system and covers cell-edge thresholding, and judge to use the signal to noise ratio of indoor distributed system signal whether to be greater than the signal to noise ratio+amount of hysteresis only using outdoor signal, when judging simultaneously as being, outskirt is communicated with indoor distributed system signal source.
4. according to the method in claim 2 or 3, it is characterized in that, describedly according to indoor and outdoor signal parameter outskirt be communicated with indoor distributed system signal source or disconnect, comprising:
Judge whether the strongest district pilots power in outdoor is greater than indoor distributed system and covers cell-edge thresholding, and judge only to use the signal to noise ratio of outdoor signal whether to be greater than the signal to noise ratio+amount of hysteresis only using indoor distributed system signal, when judging simultaneously as being, outskirt and indoor distributed system signal source are disconnected.
5. method according to claim 1, is characterized in that, described outskirt is connected with indoor distributed system signal source is controlled, comprising:
Be connected controlled to outskirt and inner region, outskirt is connected with indoor distributed system signal source via inner region; Or, directly outskirt is connected with indoor distributed system signal source is controlled.
6. method according to claim 1, is characterized in that, described indoor distributed system signal source overlay area is divided into inner region and outskirt, comprising:
By measuring the outdoor signal receiving intensity of acquisition lower than the region of specifying receiving intensity thresholding 15 ~ 25dB, be divided into inner region; Be outskirt by other Region dividing except inner region.
7. method according to claim 6, is characterized in that, described method also comprises: the main plot number that the outdoor signal received according to outskirt belongs to, and outskirt is divided into the outskirt child partition equal with described outdoor main plot number; Or,
According to the outskirt child partition size of specifying, outskirt is divided into the outskirt child partition that several are equal with described outskirt child partition size of specifying.
8. method according to claim 7, is characterized in that, described outskirt is connected with indoor distributed system signal source is controlled, comprising:
Each outskirt child partition is connected with inner region is controlled, each outskirt child partition is connected with indoor distributed system signal source via inner region;
Or, directly each outskirt child partition is connected with indoor distributed system signal source is controlled respectively;
Or indoor distributed system signal source by after power divider or coupler, then is connected with each outskirt child partition is controlled respectively.
9. method according to claim 1, is characterized in that, described controlled connection comprises: connected by controlled two-phase switch or connected by controllable attenuator.
10. an indoor distributed system, is characterized in that, described system comprises: indoor distributed system signal source, controlled connector and monitoring server; Wherein,
Described indoor distributed system signal source, for providing signal of communication for indoor distributed system signal source overlay area;
Described controlled connector, for being connected outskirt with indoor distributed system signal source is controlled;
Described monitoring server, for indoor distributed system signal source overlay area is divided into inner region and outskirt, described inner region provides signal by indoor distributed system signal source; Also for according to indoor and outdoor signal measurement parameter outskirt being communicated with indoor distributed system signal source or disconnecting.
11. systems according to claim 10, it is characterized in that, described indoor and outdoor signal parameter comprises: indoor pilot power, indoor distributed system cover cell-edge thresholding, only use the signal to noise ratio of indoor distributed system signal, only use the strongest district pilots power of the signal to noise ratio of outdoor signal and outdoor.
12. systems according to claim 11, is characterized in that, described monitoring server is used for being communicated with indoor distributed system signal source by outskirt according to indoor and outdoor signal parameter or disconnecting, and comprising:
Monitoring server is for judging whether indoor pilot power is greater than indoor distributed system and covers cell-edge thresholding, and judge to use the signal to noise ratio of indoor distributed system signal whether to be greater than the signal to noise ratio+amount of hysteresis only using outdoor signal, when judging simultaneously as being, outskirt is communicated with indoor distributed system signal source.
13. systems according to claim 11 or 12, is characterized in that, described monitoring server is used for being communicated with indoor distributed system signal source by outskirt according to indoor and outdoor signal parameter or disconnecting, and comprising:
Monitoring server is for judging whether the strongest district pilots power in outdoor is greater than indoor distributed system and covers cell-edge thresholding, and judge only to use the signal to noise ratio of outdoor signal whether to be greater than the signal to noise ratio+amount of hysteresis only using indoor distributed system signal, when judging simultaneously as being, outskirt and indoor distributed system signal source are disconnected.
14. systems according to claim 10, is characterized in that, described controlled connector is used for outskirt to be connected with indoor distributed system signal source is controlled, comprising:
Described controlled connector is used for outskirt and the controlled connection of inner region, and outskirt is connected with indoor distributed system signal source via inner region; Or described controlled connector is used for directly being connected with indoor distributed system signal source is controlled by outskirt.
15. systems according to claim 10, is characterized in that, described monitoring server, for indoor distributed system signal source overlay area is divided into inner region and outskirt, comprising:
By measuring the outdoor signal receiving intensity of acquisition lower than the region of specifying receiving intensity thresholding 15 ~ 25dB, be divided into inner region; Be outskirt by other Region dividing except inner region.
16. systems according to claim 15, it is characterized in that, outskirt, also for the main plot number that the outdoor signal received according to outskirt belongs to, is divided into the outskirt child partition with described outdoor main plot number equivalent number by described monitoring server, or
According to the outskirt child partition size of specifying, outskirt is divided into the outskirt child partition that several are equal with described outskirt child partition size of specifying.
17. systems according to claim 16, is characterized in that, described controlled connector is used for outskirt to be connected with indoor distributed system signal source is controlled, comprising:
Described controlled connector is used for each outskirt child partition to be connected with inner region respectively, and each outskirt child partition is connected with indoor distributed system signal source via inner region;
Or described controlled connector is used for directly being connected with indoor distributed system signal source respectively by each outskirt child partition;
Or described controlled connector is used for being connected by the indoor distributed system signal source after power divider or coupler with each outskirt child partition.
18. systems according to claim 10, is characterized in that, described controlled connector comprises: controlled two-phase switch or controllable attenuator.
19. systems according to claim 10, is characterized in that, described system also comprises: measure reporting terminal, and described measurement reporting terminal is used for periodic measurement and reports indoor and outdoor signal measurement parameter from trend monitoring server.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310655609.8A CN104703194A (en) | 2013-12-05 | 2013-12-05 | Indoor distribution system and realizing method thereof |
| PCT/CN2014/080324 WO2015081687A1 (en) | 2013-12-05 | 2014-06-19 | Indoor distribution system, implementation method thereof and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310655609.8A CN104703194A (en) | 2013-12-05 | 2013-12-05 | Indoor distribution system and realizing method thereof |
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| CN104703194A true CN104703194A (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310655609.8A Withdrawn CN104703194A (en) | 2013-12-05 | 2013-12-05 | Indoor distribution system and realizing method thereof |
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| CN (1) | CN104703194A (en) |
| WO (1) | WO2015081687A1 (en) |
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| CN109963289A (en) * | 2017-12-26 | 2019-07-02 | 中国移动通信集团公司 | A kind of indoor distribution base station method for building up and device |
| CN111278020A (en) * | 2019-11-11 | 2020-06-12 | 广州知弘科技有限公司 | Indoor small base station arrangement method based on 5G communication technology |
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Also Published As
| Publication number | Publication date |
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| WO2015081687A1 (en) | 2015-06-11 |
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