CN103813349A - Power distribution method of indoor distribution system and device thereof - Google Patents
Power distribution method of indoor distribution system and device thereof Download PDFInfo
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- CN103813349A CN103813349A CN201210442374.XA CN201210442374A CN103813349A CN 103813349 A CN103813349 A CN 103813349A CN 201210442374 A CN201210442374 A CN 201210442374A CN 103813349 A CN103813349 A CN 103813349A
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Abstract
The invention provides a power distribution method of an indoor distribution system and a device thereof. The method comprises a step of marking the routing of each antenna and feeder line, a step of calculating the power needed by a device mounting point or a feeder starting end at a vertical well and setting the power in longitudinal arrangement from small to large, a step of selecting a passive device and carrying out the convergence of a plurality of feeder lines to the passive device, and calculating the power needed by the a passive device input port, a step of selecting an inserted passive device, carrying out the convergence of a plurality of feeder lines to the passive device to be inserted and calculating the power needed by the input port of the inserted passive device, a step of selecting the position, the power distribution detection and surplus power reserve position of active equipment, and a step of selecting the passive device and connecting the input port of the passive device to the active equipment, wherein the designated output port of the passive device is connected with the input port of a floor convergence device, another output port is connected with a connection feeder line between floors, and the power distribution of the active equipment is completed. According to the method and the device, the accuracy and rationality of power distribution are improved.
Description
Technical field
The invention belongs to moving communicating field, specifically belong to the design field of indoor distributed system, relate in particular to power distribution method and the device of indoor distributed system.
Background technology
In the time of Design of Indoor Signal Distributed System, the design of system diagram is one of groundwork in whole design process.But this part the main dependence of working manually completes at present, and operating efficiency is lower, and error probability is larger, the dependence of the quality of design the quality understanding aspect professional and technical merit, design concept for designer is very strong.
Also have small part designer by some design tool complete designs, but there is following problem in these design tools:
1, need in plane graph, draw various power division devices, the map generalization of flat bed system is to the arrangement of system configuration substantially and represents.This has just reduced the workload of designer aspect drawing arrangement and drafting, and can not truly reduce designer's design work amount.
2, generate the flat bed system diagram of other floors according to the flat bed system diagram having generated, for non-standard floor, because system layout, the feeder line usable condition of each floor are not quite similar, so cannot generate with reference to existing flat bed system diagram the flat bed system diagram of other floors.
3, not possessing forward is the function of each floor distribution power, and this part work is basic or dependence manually completes.
4, in whole design process, design concept is comparatively rough, after preliminary system diagram completes, need to repeatedly adjust device, could finally meet design requirement.
Summary of the invention
In view of more than, the present invention proposes power distribution method and the device of indoor distributed system.
According to an aspect of the present invention, the power distribution method of indoor distributed system is proposed, wherein:
Mark out each antenna and required power thereof, each antenna cabling route and the line style to the feeder line between device mounting points or vertical shaft;
Antenna on plane graph, feeder line, device mounting points or vertical shaft are created on system diagram, according to antenna power demand and feeder loss, calculating device mounting points or vertical shaft place connect the needed power of feeder line initiating terminal of each antenna, and by its ascending longitudinal arrangement;
The poor passive device of selecting of Insertion Loss between each output port of and passive device poor according to adjacent feeders power demand, by many feeder lines tandem to passive device, and calculates the required power of passive device input port;
Insertion Loss between each output port of and passive device poor according to adjacent passive device power demand is poor selects the passive device that inserts, by multiple passive device tandem to passive device that will insert, and calculate the required power of passive device input port of insertion, until all antennas of same floor, feeder line, device tandem to passive device;
Select position, power division direction and the power reserved location more than needed of active equipment;
Select passive device, the input port of passive device is connected with to source device, be power to be allocated, the appointed output terminal mouth of passive device connects the input port of floor tandem device, need to distribute power, another output port connects floor gap and connects feeder line, i.e. new power to be allocated completes the power division of active equipment.
According to a further aspect of the invention, also propose the power distribution unit of indoor distributed system, comprise plane graph mark unit, feeder line power calculation unit, flat bed system diagram generation unit and active equipment power distributing unit, wherein:
Plane graph mark unit, marks out each antenna and required power thereof, each antenna cabling route and the line style to the feeder line between device mounting points or vertical shaft;
Feeder line power calculation unit, antenna on plane graph, feeder line, device mounting points or vertical shaft are created on system diagram, according to antenna power demand and feeder loss, calculating device mounting points or vertical shaft place connect the needed power of feeder line initiating terminal of each antenna, and by its ascending longitudinal arrangement;
Flat bed system diagram generation unit, the poor passive device of selecting of Insertion Loss between each output port of and passive device poor according to adjacent feeders power demand, by many feeder lines tandem to passive device, and calculates the required power of passive device input port; Insertion Loss between each output port of and passive device poor according to adjacent passive device power demand is poor selects the passive device that inserts, by multiple passive device tandem to passive device that will insert, and calculate the required power of passive device input port of insertion, until all antennas of same floor, feeder line, device tandem to passive device;
Active equipment power distributing unit, position, power division direction and the power reserved location more than needed of selection active equipment; Select passive device, the input port of passive device is connected with to source device, be power to be allocated, the appointed output terminal mouth of passive device connects the input port of floor tandem device, need to distribute power, another output port connects floor gap and connects feeder line, i.e. new power to be allocated completes the power division of active equipment.
The present invention can, according to antenna, feeder line and required power and loss thereof on plane graph, by computer automated design system structure, thereby improve the efficiency of conceptual design, accuracy and the reasonability of raising power division, reduces error probability.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the power distribution method flow chart of indoor distributed system of the present invention.
Fig. 2 is the structural representation of the power distribution unit of indoor distributed system of the present invention.
Embodiment
Describe various exemplary embodiment of the present invention in detail now with reference to accompanying drawing.It should be noted that: unless illustrate in addition, the parts of setting forth in these embodiments and positioned opposite and the numerical value of step do not limit the scope of the invention.
, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not to draw according to actual proportionate relationship meanwhile.
Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the present invention and application or use.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in suitable situation, described technology, method and apparatus should be regarded as authorizing a part for specification.
In all examples with discussing shown here, it is exemplary that any occurrence should be construed as merely, rather than as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: in similar label and letter accompanying drawing below, represent similar terms, therefore, once be defined in an a certain Xiang Yi accompanying drawing, in accompanying drawing subsequently, do not need it to be further discussed.
The design process of indoor distributed system comprises floor plan design and system diagram.
First be floor plan design.Plane graph has a lot of conventionally; every sheet of planar figure is take which floor plane pattern diagram of building one deck or certain as base map; on base map, mark the position of antenna, vertical shaft, device mounting points, and the cabling route of the feeder line that antenna, vertical shaft, device mounting points are connected.
Next is design system figure.System diagram is for representing logical topological structure and the longitudinal connection route between antenna, device, active equipment, signal source etc.
The purpose of design of system diagram has two, and the one, express the topological connection relation of all devices, device, antenna, feeder line, the 2nd, how to express in vertical shaft longitudinally cabling, walk any line.The key of system diagram design is how the power of signal source (a bit) reasonably to be distributed according to need to each antenna (multiple spot), that is, need design to place what device somewhere and carry out the reasonability that guaranteed output distributes.Generally speaking, the design of system diagram is exactly to have how much power, antenna to need how much power according to signal source, determines how these power are reasonably distributed.
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
Fig. 1 is the power distribution method flow chart of indoor distributed system of the present invention, and the method comprises the following steps:
S101, on plane graph in batches or mark out individually each antenna and required power thereof, each antenna cabling route and the line style to the feeder line between device mounting points or vertical shaft.
S102, select the antenna on plane graph, feeder line, device mounting points or vertical shaft etc. are created on system diagram automatically by frame, according to antenna power demand and feeder loss, comptograph part mounting points or vertical shaft place connect the needed power of feeder line initiating terminal of each antenna, and by its ascending automatic longitudinal arrangement.
So-called frame choosing is exactly that antenna, the feeder line etc. in the region of being chosen by square frame will be created on system diagram automatically with mouse standardized square frame on plane graph.
Below in conjunction with instantiation, illustrate that calculating device mounting points or vertical shaft place connect the process of the needed power of feeder line initiating terminal of each antenna.For example, we set the required power of antenna A1-F1 is 2dBm, be 50 meters from this antenna to the feeder line length vertical shaft, feeder loss is hundred meters of 7dB/, the required power of feeder line initiating terminal of vertical shaft place connection A1-F1 antenna is 2+50/100*7=5.5dBm, wherein antenna power demand single or setting in batches by designer.Other antennas all calculate in this manner, and whole computational process has been calculated automatically by computer.
Suppose that certain building one deck has 10 antennas, according to above-described method, the feeder line initiating terminal power demand that these 10 antennas are connected is according to order longitudinal arrangement from small to large, the object of doing is like this as far as possible arranged together for what power demand was approached, to can use suitable device to connect.
The poor passive device of selecting of Insertion Loss between each output port of S103, and passive device poor according to adjacent feeders power demand, by many feeder lines tandem to passive device, and calculates the required power of passive device input port.In this manner by all antennas in a floor all tandem to one or several passive device.Described passive device comprises power splitter and coupler.
How to choose passive device for convenience of description, first defines 3 conditions.
Definite condition is to adopt in what situations what device to connect in order to illustrate.The order of Rule of judgment is from condition 1 to condition 3.Meet the corresponding a kind of connected mode of each condition.In the device using in the industry at present, what output port was maximum is exactly four power splitters, i.e. four output ports of an input port, and it is four demand power tandems can be become to a demand power, so at most relatively four demand powers are just much of that.
Between Insertion Loss poor (0dB) between each output port of the poor and power splitter of 1: the 1 article of feeder line of condition and the 4th article of feeder line power demand, differ and be no more than the first set point, for example 2dB(variable);
Between Insertion Loss poor (0dB) between each output port of the poor and power splitter of 2: the 1 article of feeder lines of condition and the 3rd article of feeder line power demand, differ and be no more than the second set point, for example 2dB(variable);
Between Insertion Loss poor (0dB) between each output port of the poor and power splitter of 3: the 1 article of feeder lines of condition and the 2nd article of feeder line power demand, differ and be no more than the 3rd set point, for example 2dB(variable).
If satisfied condition 1, use four power splitters that front 4 feeder lines are coupled together, and the 5th article of feeder line is designated as to feeder line 1 automatically, feeder line is below designated as feeder line 2,3,4 etc. successively;
If do not satisfy condition 1, but satisfy condition 2, use three power splitters that front 3 feeder lines are coupled together, and the 4th article of feeder line is designated as to feeder line 1 automatically, feeder line is below designated as feeder line 2,3,4 etc. successively;
If do not satisfy condition 2, but satisfy condition 3, use two power splitters that front 2 feeder lines are coupled together, and the 3rd article of feeder line is designated as to feeder line 1 automatically, feeder line is below designated as feeder line 2,3,4 etc. successively;
If do not satisfy condition 3, select that coupler two output port Insertion Loss are poor to be coupled together front 2 feeder lines with the poor immediate coupler of two feeder line power demands, the coupled end of coupler connects feeder line 1, straight-through end connects feeder line 2, and the 3rd article of feeder line is designated as to feeder line 1 automatically, feeder line is below designated as feeder line 2,3,4 etc. successively.
Respectively walk above after connection all need be at insertion device mark foremost required performance number.
For example, certain floor has 10 antennas, the initiating terminal power demand of every feeder line of its correspondence be sequentially arranged as A10 A07 A08 A09......, corresponding power demand is respectively 2.7/3.0/4/0/4.1dBm.......Due to the A10 difference power corresponding with A09 (4.1-2.7=1.4dBm) (first set point) in 2dBm, thus by A10 A07 A08 the feeder line of A09 be connected to four power splitters.
Wherein, calculate being operating as of the required power of passive device input port: get the maximum and the minimum value that are connected power demand in feeder line, add respectively the loss of passive device input port to corresponding output port, be then averaging, obtain the required power of passive device input port.
Or take above-mentioned example as example, the required power of the input port of four power splitters is:
Get A10 A07 A08 maximum 4.1 and the minimum value 2.7 of A09 antenna and feeder line power demand thereof, add that respectively the input port of four power splitters is to the loss 6.5 and 6.5 of output port, then be averaging, obtain the required power of four power splitter input ports, and ((4.1+6.5)+(2.7+6.5))/2=9.9dBm.
In like manner, another four power splitter of choice for use by A02 A04 A03 A06 tandem, the required power of this four power splitters input port is 11.7dBm; Use two power splitters by A01 A05 tandem, the required power of two power splitter input ports is 10.4dBm.So just by all this floor 10 antennas and corresponding feeder line thereof all tandem on two four power splitters and two power splitters.
Insertion Loss between each output port of S104, and passive device poor according to adjacent passive device power demand is poor selects the passive device that inserts, by multiple passive device tandem to passive device that will insert, and calculate the required power of passive device input port of insertion.In this manner by all passive device tandems of inserting on one or more passive devices.So repeatable operation, until all antennas of this floor, feeder line, device tandem to passive device.This has just completed the Automated Design of flat bed system diagram.
If a required gross power of flat bed system diagram is no more than the first set point, for example 10dBm(variable), for avoiding backbone power dissipation, by the operation of S103 and S104, a flat bed system diagram is connected with adjacent flat layer system figure, forms a new flat bed system diagram.Now just complete the Automated Design of flat bed system diagram
In S104, select being operating as of passive device of inserting:
More front 4 power that device is required, for example, if wherein the required difference power of any two devices is all no more than the first set point, 2dB(variable), use four power splitters that front 4 devices are connected;
If wherein exist two required difference powers of device to exceed the first set point, the power demand of more front 3 devices, if wherein the required difference power of any two devices is all no more than the first set point, uses three power splitters that front 3 devices are connected; If exist two required difference powers of device to exceed the first set point in front 3 devices, compare the first two device, if poor first set point that is no more than of its power demand is used two power splitters that the two is connected; If its power demand exceedes the first set point, use two output port loss difference with its immediate coupler, the two to be connected, connected mode is that coupling port connects the less device of power demand, coupler straight-through port connects the larger device of power demand.
Respectively walk above after connection all need be at insertion device mark foremost required performance number.
Calculate being operating as of the required power of the passive device input port of insertion: maximum and the minimum value of getting the passive device power demand being attached thereto, add respectively the loss to output port of input port that the passive device of insertion is corresponding, then be averaging, obtain the required power of passive device input port inserting.
According to above-mentioned example, above-mentioned two four power splitters and a required difference power of two power splitters are all no more than 2dB, so should use three power splitter tandems, be connected to respectively the output port of three power splitters by three devices, the input port power demand of three power splitters is:
((11.7+ tri-power splitter insertion loss)+(9.9+ tri-power splitter insertion loss))/2=((11.7+5.5)+(9.9+5.5))/2=14.1dBm.
By now, all flat bed system diagrams generate, i.e. the antenna of every one deck all on tandem to passive device, and for example, antenna A01-A10 is on tandem to one three power splitter.
The whole process of this step is completed automatically by computer, and this is unified design standard, and power division is more reasonable, has also avoided power dissipation.
Position and the power division direction of S105, selection active equipment.This operation can be selected according to the coverage of software automatic-prompting.If prompting has power more than needed in assign direction, also need further to select the information such as power reserved location more than needed.
Due to active equipment power division is relevant to the direction of the position of this operation of flat bed system and active equipment, power division, and if the power division that also relates to active equipment also have more than needed this how to process after to all floors.So need user to select active equipment position, power division direction, and which layer power more than needed is reserved in.
For the ease of user's judgement, behind the selected active equipment of user position, system can be pointed out and upwards can cover how many layers, can cover how many layers downwards, whether has power more than needed, provides reference for user selects power division direction.If power has more than needed, user can also select to have more than needed power be reserved in which layer.After these parameters are selected, system can automatically complete active equipment and be connected with the topology of floor system, between active equipment and flat bed system diagram, with what device completes and is connected.
S106, selection passive device, be connected with source device by the input port of passive device, i.e. power to be allocated, the appointed output terminal mouth of passive device connects the input port of floor tandem device, need to distribute power, another output port connects floor gap and connects feeder line, i.e. new power to be allocated.So repeatable operation, until the power to be allocated of active equipment is distributed completely.If the power division of active equipment is given after all floors, also there is power more than needed, be reserved in assigned address or as virtual active equipment, repeated S105～S106 at other floors.If only the power of an active equipment fails to distribute to all floors, the unallocated floor to power is repeated to S105～S106 operation, until all floors are all assigned to required power.Now just complete the automatic distribution of active equipment power.
For convenience of description, first set forth and can supply several power division directions of user's selection and the relation with device location thereof:
Direction 1: upwards, if user selects this direction, active equipment position is in minimum floor in coverage.
Direction 2: downwards, if user selects this direction, active equipment position is in floor the highest in coverage.
Direction 3: get on, get off: if user selects this direction, active equipment position is in middle certain floor in coverage.
Direction 4: first up and then down: if user selects this direction, active equipment position is in middle certain floor in coverage.
Afterwards, then define two kinds of power distribution algorithms:
Forward power allocation algorithm: distribute power poor power to be allocated and need, when differing, the insertion loss of itself and two power splitters is no more than the 4th set point, for example 1dB(variable) time, select two power splitters, otherwise immediate coupler is connected by the two with it to select the degree of coupling, connected mode is the input port (input port of coupler) that power to be allocated connects two power splitters, needs to distribute power to connect an output port (coupling aperture of coupler) of two power splitters.Another output port (leading directly to of coupler) of two power splitters connects floor gap and connects feeder line, herein as the starting point of new power to be allocated, deduct two power splitter Insertion Loss (the straight-through loss of coupler), deduct the loss of floor gap connecting line again with former power to be allocated, its result is as new power to be allocated.
Reverse power allocation algorithm: from the distal-most end floor of overlay area, if the poor feeder loss that deducts floor gap of adjacent two floor power demand is no more than the 5th set point, for example 2dB(variable), (wherein, all antennas of adjacent two floors are all separately on tandem to device), use two power splitters that device of two floors is coupled together, connected mode is that an output port of two power splitters connects the larger floor of power demand, its another port of two power splitters connects floor gap feeder line, the other end of feeder line connects the less floor of power demand, and the required average power of two floors (containing floor gap feeder loss) is added to two power splitter Insertion Loss distribute power as new need,
If poor the 5th set point that exceedes of adjacent two floor power demands, for example 2dB(variable), use the poor immediate coupler with it of the degree of coupling and Insertion Loss to be connected, coupled end connects floor gap feeder line, the feeder line other end connects the less floor of power demand, straight-through end connects the larger floor of power demand, and after being added to the degree of coupling or Insertion Loss, two floor power demands (containing floor gap feeder loss) are averaged, add the connecting line loss of floor gap, its result is distributed power as new need.
Above-mentioned forward power allocation algorithm and reverse power allocation algorithm are for being assigned source device (or signal source) power, and take active equipment as unit, each active equipment needs through distribution like this.
For S105 and S106, explanation is selected in power division direction and inactivity situation more than needed to the power division operation of active equipment below:
It is direction 1(or direction 2 that user selects power division direction), inactivity is more than needed, adopts forward power allocation algorithm to carry out power division completely.
It is direction 3(or direction 4 that user selects power division direction), inactivity is more than needed, first adopt reverse power allocation algorithm to be calculated to active equipment site layer from the minimum or uppermost storey in coverage, then adopt forward power allocation algorithm to carry out power division to residue floor.
Below explanation is selected to power division direction and has been had in power situation more than needed, the power division operation of active equipment:
It is direction 1(or direction 2 that user selects power division direction), exist power more than needed, first adopt reverse power allocation algorithm to be calculated to the reserved layer of power more than needed from the floor farthest in coverage, adopt again forward power allocation algorithm to be calculated to the reserved layer of power more than needed from active equipment place layer, the power more than needed that last forward power allocation algorithm is calculated is connected by forward power allocation algorithm with the power demand that reverse power allocation algorithm calculates, the difference of the two is stayed reserved layer as power more than needed, no longer distributes for power more than needed.
It is direction 3(or direction 4 that user selects power division direction), exist power more than needed, first adopt reverse power allocation algorithm to be calculated to the reserved layer of nearest power more than needed or active equipment site layer from the floor farthest in coverage, adopt again forward power allocation algorithm to be calculated to the reserved layer of power more than needed from active equipment place layer, the power more than needed that last forward power allocation algorithm is calculated is connected by forward power allocation algorithm with the power demand that reverse power allocation algorithm calculates, the difference of the two is stayed reserved layer as power more than needed, no longer distribute for power more than needed.
User selects assign direction, and this assign direction can be above-mentioned either direction, and power to be allocated is no more than the 6th set point, for example 1dB(variable with needing distribution power difference), the two is directly connected., this kind of situation can be thought power to be allocated and need to distribute power basically identical, power to be allocated all distributed to and needed to distribute power.
User selects assign direction, this assign direction can be above-mentioned either direction, power ratio to be allocated need be distributed power little (it is negative value that this situation can be regarded power more than needed as), and the absolute value of difference exceedes the 6th set point, for example 1dB(variable), need are distributed the system diagram of power floor to break step by step, select the part that approaches power to be allocated to be most directly connected with it, remainder forms new need with reference to the operation of S103 and S104 and distributes power floor.
Below by an embodiment, the power division process of active equipment is described.
For example, certain building amounts to 10 layers, 5 meters of floor heights.Select coverage direction for upwards, software prompt has power more than needed, and selecting reserved layer of power more than needed is 9 layers.The power output of active equipment is 30dBm, it is 11dBm that the flat bed system of every layer need be distributed power, active equipment position is 1 layer, so first from reserving 9 layers, layer apart from equipment place layer (1 layer) 10 layers of reverse power that is calculated to farthest, should use two power splitters that the tandem device of 9,10 layers is connected, two power splitter power demands are [11+(11+9,10 interlayer feeder losses)/2+ bis-power splitter insertion loss]=[11+(11+0.4)/2+3.5]=14.6dBm, and this power is the power demand of 9,10 layers; Again from active equipment place layer (1 layer), active equipment power output is compared with 1 layer of power demand, should use 20dB coupler to be inserted between the two, be that 20dB coupler input port is connected with source device output port, coupling aperture connects the input port of 1 layer of tandem device, the power output of straightthrough port deducts floor feeder loss as new power to be allocated, be 2 layers and distribute power, new performance number to be allocated is: straight-through loss-5 of 30-coupler meter feeder loss)=30-0.4-0.4=29.2dBm.
Be followed successively by 2,3,4 according to this mode ... layer distributes power, be assigned to after 9 layers always, remaining power to be allocated is 22.0dBm, according to forward power allocation algorithm, between remaining power to be allocated and the need distribution power of 9,10 layers, use 7dB coupler to be connected, coupler input port connects remaining power to be allocated, coupling port connects the need distribution power of 9,10 layers, the straight-through port of coupler is reserved in 9 layers as power more than needed, and its power is the straight-through loss of 22.0-1.4(coupler)=20.6dBm.
The whole process of this step is completed automatically by computer, can guarantee, by the evenly reasonably distribution according to need of the power of active equipment, design standard to be unified, and power division is more reasonable, has also avoided power dissipation.
As shown in Figure 1, after this step, can also comprise following operation:
S107, be connected with source device and source device.The flexibility designing for assured plan, and consider that this part workload is less, so can be by the annexation of user's designed, designed active equipment.
The overall power that S108, computer complete automatically from source device to antenna is calculated and mark.
After the annexation of the complete active equipment of user's designed, designed, a complete system topological connection has just all completed.By power more newer command automatically, system can automatically be carried out power division and calculated and upgrade from source device to antenna direction, and marks out power division in the place of needs marks and be how many to herein time.Because the design process is before this all reverse, all with how much power of needs design for starting point in other words, but actual really to distribute how much power be forward, so just need to be all power forward distribution one time.Complete and upgrade and mark.
The present invention uses computer to complete a large amount of artificial work, has realized the automation of the power division of indoor distributed system, has greatly improved design efficiency, has also guaranteed accuracy and the reasonability of power division, reduces error probability.The present invention has designed rational demand assigned power algorithm, makes indoor distributed system conceptual design job specification unified, and reasonable in design, local or overall adjustment, for designer, all becomes very simple.
Fig. 2 is the structural representation of the power distribution unit of indoor distributed system of the present invention.This device comprises plane graph mark unit, feeder line power calculation unit, flat bed system diagram generation unit and active equipment power distributing unit.
Plane graph mark unit, marks out each antenna and required power thereof, each antenna cabling route and the line style to the feeder line between device mounting points or vertical shaft.
Feeder line power calculation unit, antenna on plane graph, feeder line, device mounting points or vertical shaft are created on system diagram, according to antenna power demand and feeder loss, calculating device mounting points or vertical shaft place connect the needed power of feeder line initiating terminal of each antenna, and by its ascending longitudinal arrangement.
Flat bed system diagram generation unit, the poor passive device of selecting of Insertion Loss between each output port of and passive device poor according to adjacent feeders power demand, by many feeder lines tandem to passive device, and calculates the required power of passive device input port; Insertion Loss between each output port of and passive device poor according to adjacent passive device power demand is poor selects the passive device that inserts, by multiple passive device tandem to passive device that will insert, and calculate the required power of passive device input port of insertion, until all antennas of same floor, feeder line, device tandem to passive device.
Wherein, flat bed system diagram generation unit select passive device, calculate the required power of passive device input port and the passive device selecting to insert, calculate the required power of the passive device input port of insertion operation consistent with the content of describing in S103 in Fig. 1 and S104.
Active equipment power distributing unit, position, power division direction and the power reserved location more than needed of selection active equipment; Select passive device, the input port of passive device is connected with to source device, be power to be allocated, the appointed output terminal mouth of passive device connects the input port of floor tandem device, need to distribute power, another output port connects floor gap and connects feeder line, i.e. new power to be allocated completes the power division of active equipment.
The performed power division of active equipment power distributing unit operates consistent with the content of describing in S105 in Fig. 1 and S106.
In another embodiment of the present invention, power distribution unit can also comprise:
Linkage unit, is connected with source device and source device.
Power mark unit, the overall power completing from source device to antenna is calculated and mark.
The present invention is applicable to the conceptual design work of mobile communication indoor distribution system, designer is in the time completing conceptual design, only need on plane graph, draw antenna, vertical shaft or device mounting points, cabling route, mark out antenna power demand, the line style of feeder line, the mode of selecting by frame and can pass through computer automatic creation system figure; User only need to according to computer prompted in different directions can coverage, select voluntarily the information such as position, coverage direction, power reserved location more than needed of active equipment, just can realize according to user's will the automatic distribution of active equipment power; The last connection design that completes again simple active equipment, just can automatically be calculated and be upgraded all power by computer, automatically realizes power mark.The system diagram power division generating is like this reasonable, calculates accurately, and design standard is unified, and format specification, if need to carry out part or overall adjustment, also can complete by computer fast.The design work that this has simplified indoor distributed system greatly, has improved reasonability, accuracy, the normalization of indoor distributed system conceptual design, has improved design work efficiency, has also reduced the difficulty of project checking and management simultaneously.
So far, described the present invention in detail.For fear of covering design of the present invention, details more known in the field are not described.Those skilled in the art, according to description above, can understand how to implement technical scheme disclosed herein completely.
May realize in many ways method of the present invention and device.For example, can realize method of the present invention and device by any combination of software, hardware, firmware or software, hardware, firmware.The said sequence that is used for the step of described method is only in order to describe, and the step of method of the present invention is not limited to above specifically described order, unless otherwise specified.In addition, in certain embodiments, can be also the program being recorded in recording medium by the invention process, these programs comprise the machine readable instructions for realizing the method according to this invention.Thereby the present invention also covers the recording medium of storing the program for carrying out the method according to this invention.
Although specific embodiments more of the present invention are had been described in detail by example, it should be appreciated by those skilled in the art, above example is only in order to describe, rather than in order to limit the scope of the invention.It should be appreciated by those skilled in the art, can without departing from the scope and spirit of the present invention, above embodiment be modified.Scope of the present invention is limited by claims.
Claims (16)
1. the power distribution method of indoor distributed system, is characterized in that:
Mark out each antenna and required power thereof, each antenna cabling route and the line style to the feeder line between device mounting points or vertical shaft;
Antenna on plane graph, feeder line, device mounting points or vertical shaft are created on system diagram, according to antenna power demand and feeder loss, calculating device mounting points or vertical shaft place connect the needed power of feeder line initiating terminal of each antenna, and by its ascending longitudinal arrangement;
The poor passive device of selecting of Insertion Loss between each output port of and passive device poor according to adjacent feeders power demand, by many feeder lines tandem to passive device, and calculates the required power of passive device input port;
Insertion Loss between each output port of and passive device poor according to adjacent passive device power demand is poor selects the passive device that inserts, by multiple passive device tandem to passive device that will insert, and calculate the required power of passive device input port of insertion, until all antennas of same floor, feeder line, device tandem to passive device;
Select position, power division direction and the power reserved location more than needed of active equipment;
Select passive device, the input port of passive device is connected with to source device, be power to be allocated, the appointed output terminal mouth of passive device connects the input port of floor tandem device, need to distribute power, another output port connects floor gap and connects feeder line, i.e. new power to be allocated completes the power division of active equipment.
2. power distribution method according to claim 1, is characterized in that:
After completing the power division of active equipment, also comprise following operation:
Be connected with source device and source device;
The overall power completing from source device to antenna is calculated and mark.
3. power distribution method according to claim 1 and 2, is characterized in that:
The poor passive device of selecting of Insertion Loss between each output port of and passive device poor according to adjacent feeders power demand, comprises the following steps:
Condition one: differ and be no more than the first set point between Insertion Loss between each output port of the poor and power splitter of Article 1 feeder line and Article 4 feeder line power demand is poor;
Condition two: differ and be no more than the second set point between Insertion Loss between each output port of the poor and power splitter of Article 1 feeder line and Article 3 feeder line power demand is poor;
Condition three: differ and be no more than the 3rd set point between Insertion Loss between each output port of the poor and power splitter of Article 1 feeder line and Article 2 feeder line power demand is poor;
If satisfied condition one, use four power splitters that front four feeder lines are coupled together, and Article 5 feeder line is designated as to the first feeder line automatically, feeder line is below designated as the second feeder line, the 3rd feeder line, the 4th feeder line successively;
If do not satisfy condition one, but satisfy condition two, use three power splitters that first three feeder line is coupled together, and Article 4 feeder line is designated as to the first feeder line automatically, feeder line is below designated as the second feeder line, the 3rd feeder line, the 4th feeder line successively;
If do not satisfy condition two, but satisfy condition three, use two power splitters that front two feeder lines are coupled together, and Article 3 feeder line is designated as to the first feeder line automatically, feeder line is below designated as the second feeder line, the 3rd feeder line, the 4th feeder line successively;
If do not satisfy condition three, select that coupler two output port Insertion Loss are poor to be coupled together front two feeder lines with the poor immediate coupler of two feeder line power demands, the coupled end of coupler connects the first feeder line, straight-through end connects the second feeder line, and Article 3 feeder line is designated as to the first feeder line automatically, feeder line is below designated as the second feeder line, the 3rd feeder line, the 4th feeder line successively.
4. power distribution method according to claim 3, is characterized in that:
Calculate being operating as of the required power of passive device input port:
Get the maximum and the minimum value that are connected power demand in feeder line, add respectively the loss to output port of input port that passive device is corresponding, be then averaging, obtain the required power of passive device input port.
5. power distribution method according to claim 1 and 2, is characterized in that:
Insertion Loss between each output port of and passive device poor according to adjacent passive device power demand is poor selects the passive device that inserts, comprises the following steps:
More front four power that device is required, if wherein the required difference power of any two devices is all no more than the first set point, use four power splitters that front four devices are connected;
If wherein exist two required difference powers of device to exceed the first set point, compare the power demand of first three device, if wherein the required difference power of any two devices is all no more than the first set point, use three power splitters that first three device is connected; If exist two required difference powers of device to exceed the first set point in first three device, compare the first two device, if poor first set point that is no more than of its power demand is used two power splitters that the two is connected; If its power demand exceedes the first set point, use two output port loss difference with its immediate coupler, the two to be connected, connected mode is that coupling port connects the less device of power demand, coupler straight-through port connects the larger device of power demand.
6. power distribution method according to claim 5, is characterized in that:
Calculate being operating as of the required power of the passive device input port of insertion:
Get the maximum and the minimum value that are connected power demand in passive device, add respectively the loss to output port of input port that the passive device of insertion is corresponding, be then averaging, obtain the required power of passive device input port inserting.
7. power distribution method according to claim 1, is characterized in that:
Select in power division direction and inactivity situation more than needed the power division operation of active equipment:
It is direction one or direction two that user selects power division direction, and inactivity is more than needed, adopts forward power allocation algorithm to carry out power division;
It is direction three or direction four that user selects power division direction, inactivity is more than needed, first adopt reverse power allocation algorithm to be calculated to active equipment site layer from the minimum or uppermost storey in coverage, then adopt forward power allocation algorithm to carry out power division to residue floor;
Wherein, the power division direction of selection and be with the pass of active equipment position:
Direction one: upwards, active equipment position is in minimum floor in coverage;
Direction two: downwards, active equipment position is in floor the highest in coverage;
Direction three: get on, get off: active equipment position is in middle certain floor in coverage;
Direction four: first up and then down: active equipment position is in middle certain floor in coverage;
Forward power allocation algorithm: distribute power poor power to be allocated and need, when the insertion loss of itself and two power splitters differs while being no more than the 4th set point, select two power splitters, otherwise immediate coupler is connected by the two with it to select the degree of coupling, connected mode is that power to be allocated connects the input port of two power splitters or the input port of coupler, need to distribute power to connect output port of two power splitters or the coupling aperture of coupler, another output port of two power splitters or the straightthrough port of coupler connect floor gap and connect feeder line, as the starting point of new power to be allocated, deduct the straight-through loss of two power splitter Insertion Loss or coupler with former power to be allocated, deduct again the loss of floor gap connecting line, its result is as new power to be allocated,
Reverse power allocation algorithm: from the distal-most end floor of overlay area, if the poor feeder loss that deducts floor gap of adjacent two floor power demand is no more than the 5th set point, wherein, all antennas of adjacent two floors are all separately on tandem to device, use two power splitters that device of two floors is coupled together, connected mode is that an output port of two power splitters connects the larger floor of power demand, its another port of two power splitters connects floor gap feeder line, the other end of feeder line connects the less floor of power demand, and the required average power of two floors is added to two power splitter Insertion Loss distribute power as new need, the required average power of two floors is containing floor gap feeder loss,
If poor the 5th set point that exceedes of adjacent two floor power demands, use the poor immediate coupler with it of the degree of coupling and Insertion Loss to be connected, coupled end connects floor gap feeder line, the feeder line other end connects the less floor of power demand, straight-through end connects the larger floor of power demand, and is averaged after two floor power demands are added to the degree of coupling or Insertion Loss, adds the connecting line loss of floor gap, its result is distributed power as new need, and two floor power demands are containing floor gap feeder loss.
8. power distribution method according to claim 7, is characterized in that:
Select power division direction and had in power situation more than needed, the power division operation of active equipment:
It is direction one or direction two that user selects power division direction, exist power more than needed, first adopt reverse power allocation algorithm to be calculated to the reserved layer of power more than needed from the floor farthest in coverage, adopt again forward power allocation algorithm to be calculated to the reserved layer of power more than needed from active equipment place layer, the power more than needed that last forward power allocation algorithm is calculated is connected by forward power allocation algorithm with the power demand that reverse power allocation algorithm calculates, and the difference of the two is stayed reserved layer as power more than needed;
It is direction three or direction four that user selects power division direction, exist power more than needed, first adopt reverse power allocation algorithm to be calculated to the reserved layer of nearest power more than needed or active equipment site layer from the floor farthest in coverage, adopt again forward power allocation algorithm to be calculated to the reserved layer of power more than needed from active equipment place layer, the power more than needed that last forward power allocation algorithm is calculated is connected by forward power allocation algorithm with the power demand that reverse power allocation algorithm calculates, and the difference of the two is stayed reserved layer as power more than needed;
User selects assign direction, and this assign direction is above-mentioned either direction, and power to be allocated is no more than the 6th set point with needing distribution power difference, the two is directly connected;
User selects assign direction, this assign direction is above-mentioned either direction, power ratio to be allocated need distribute power little, and the absolute value of difference exceedes the 6th set point, need are distributed the system diagram of power floor to break step by step, select the part that approaches power to be allocated to be most directly connected with it, remainder forms new need and distributes power floor.
9. the power distribution unit of indoor distributed system, is characterized in that, comprises plane graph mark unit, feeder line power calculation unit, flat bed system diagram generation unit and active equipment power distributing unit:
Plane graph mark unit, marks out each antenna and required power thereof, each antenna cabling route and the line style to the feeder line between device mounting points or vertical shaft;
Feeder line power calculation unit, antenna on plane graph, feeder line, device mounting points or vertical shaft are created on system diagram, according to antenna power demand and feeder loss, calculating device mounting points or vertical shaft place connect the needed power of feeder line initiating terminal of each antenna, and by its ascending longitudinal arrangement;
Flat bed system diagram generation unit, the poor passive device of selecting of Insertion Loss between each output port of and passive device poor according to adjacent feeders power demand, by many feeder lines tandem to passive device, and calculates the required power of passive device input port; Insertion Loss between each output port of and passive device poor according to adjacent passive device power demand is poor selects the passive device that inserts, by multiple passive device tandem to passive device that will insert, and calculate the required power of passive device input port of insertion, until all antennas of same floor, feeder line, device tandem to passive device;
Active equipment power distributing unit, position, power division direction and the power reserved location more than needed of selection active equipment; Select passive device, the input port of passive device is connected with to source device, be power to be allocated, the appointed output terminal mouth of passive device connects the input port of floor tandem device, need to distribute power, another output port connects floor gap and connects feeder line, i.e. new power to be allocated completes the power division of active equipment.
10. power distribution unit according to claim 9, is characterized in that, also comprises:
Linkage unit, is connected with source device and source device;
Power mark unit, the overall power completing from source device to antenna is calculated and mark.
11. according to the power distribution unit described in claim 9 or 10, it is characterized in that:
Flat bed system diagram generation unit is selected passive device, carries out following steps:
Condition one: differ and be no more than the first set point between Insertion Loss between each output port of the poor and power splitter of Article 1 feeder line and Article 4 feeder line power demand is poor;
Condition two: differ and be no more than the second set point between Insertion Loss between each output port of the poor and power splitter of Article 1 feeder line and Article 3 feeder line power demand is poor;
Condition three: differ and be no more than the 3rd set point between Insertion Loss between each output port of the poor and power splitter of Article 1 feeder line and Article 2 feeder line power demand is poor;
If satisfied condition one, use four power splitters that front four feeder lines are coupled together, and Article 5 feeder line is designated as to the first feeder line automatically, feeder line is below designated as the second feeder line, the 3rd feeder line, the 4th feeder line successively;
If do not satisfy condition one, but satisfy condition two, use three power splitters that first three feeder line is coupled together, and Article 4 feeder line is designated as to the first feeder line automatically, feeder line is below designated as the second feeder line, the 3rd feeder line, the 4th feeder line successively;
If do not satisfy condition two, but satisfy condition three, use two power splitters that front two feeder lines are coupled together, and Article 3 feeder line is designated as to the first feeder line automatically, feeder line is below designated as the second feeder line, the 3rd feeder line, the 4th feeder line successively;
If do not satisfy condition three, select that coupler two output port Insertion Loss are poor to be coupled together front two feeder lines with the poor immediate coupler of two feeder line power demands, the coupled end of coupler connects the first feeder line, straight-through end connects the second feeder line, and Article 3 feeder line is designated as to the first feeder line automatically, feeder line is below designated as the second feeder line, the 3rd feeder line, the 4th feeder line successively.
12. power distribution units according to claim 11, is characterized in that:
Flat bed system diagram generation unit is got the maximum and the minimum value that are connected power demand in feeder line, adds respectively the loss to output port of input port that passive device is corresponding, is then averaging, and obtains the required power of passive device input port.
13. according to the power distribution unit described in claim 9 or 10, it is characterized in that:
Flat bed system diagram generation unit is selected the passive device inserting, and carries out following steps:
More front four power that device is required, if wherein the required difference power of any two devices is all no more than the first set point, use four power splitters that front four devices are connected;
If wherein exist two required difference powers of device to exceed the first set point, compare the power demand of first three device, if wherein the required difference power of any two devices is all no more than the first set point, use three power splitters that first three device is connected; If exist two required difference powers of device to exceed the first set point in first three device, compare the first two device, if poor first set point that is no more than of its power demand is used two power splitters that the two is connected; If its power demand exceedes the first set point, use two output port loss difference with its immediate coupler, the two to be connected, connected mode is that coupling port connects the less device of power demand, coupler straight-through port connects the larger device of power demand.
14. power distribution units according to claim 13, is characterized in that:
Flat bed system diagram generation unit is got the maximum and the minimum value that are connected power demand in passive device, add respectively the loss to output port of input port that the passive device of insertion is corresponding, then be averaging, obtain the required power of passive device input port inserting.
15. power distribution units according to claim 9, is characterized in that:
Active equipment power distributing unit has been selected in power division direction and inactivity situation more than needed, the power division operation of active equipment:
It is direction one or direction two that user selects power division direction, and inactivity is more than needed, adopts forward power allocation algorithm to carry out power division;
It is direction three or direction four that user selects power division direction, inactivity is more than needed, first adopt reverse power allocation algorithm to be calculated to active equipment site layer from the minimum or uppermost storey in coverage, then adopt forward power allocation algorithm to carry out power division to residue floor;
Wherein, the power division direction of selection and be with the pass of active equipment position:
Direction one: upwards, active equipment position is in minimum floor in coverage;
Direction two: downwards, active equipment position is in floor the highest in coverage;
Direction three: get on, get off: active equipment position is in middle certain floor in coverage;
Direction four: first up and then down: active equipment position is in middle certain floor in coverage;
Forward power allocation algorithm: distribute power poor power to be allocated and need, when the insertion loss of itself and two power splitters differs while being no more than the 4th set point, select two power splitters, otherwise immediate coupler is connected by the two with it to select the degree of coupling, connected mode is that power to be allocated connects the input port of two power splitters or the input port of coupler, need to distribute power to connect output port of two power splitters or the coupling aperture of coupler, another output port of two power splitters or the straightthrough port of coupler connect floor gap and connect feeder line, as the starting point of new power to be allocated, deduct the straight-through loss of two power splitter Insertion Loss or coupler with former power to be allocated, deduct again the loss of floor gap connecting line, its result is as new power to be allocated,
Reverse power allocation algorithm: from the distal-most end floor of overlay area, if the poor feeder loss that deducts floor gap of adjacent two floor power demand is no more than the 5th set point, wherein, all antennas of adjacent two floors are all separately on tandem to device, use two power splitters that device of two floors is coupled together, connected mode is that an output port of two power splitters connects the larger floor of power demand, its another port of two power splitters connects floor gap feeder line, the other end of feeder line connects the less floor of power demand, and the required average power of two floors is added to two power splitter Insertion Loss distribute power as new need, the required average power of two floors is containing floor gap feeder loss,
If poor the 5th set point that exceedes of adjacent two floor power demands, use the poor immediate coupler with it of the degree of coupling and Insertion Loss to be connected, coupled end connects floor gap feeder line, the feeder line other end connects the less floor of power demand, straight-through end connects the larger floor of power demand, and is averaged after two floor power demands are added to the degree of coupling or Insertion Loss, adds the connecting line loss of floor gap, its result is distributed power as new need, and two floor power demands are containing floor gap feeder loss.
16. power distribution units according to claim 15, is characterized in that:
Active equipment power distributing unit has been selected power division direction and has been had in power situation more than needed, the power division operation of active equipment:
It is direction one or direction two that user selects power division direction, exist power more than needed, first adopt reverse power allocation algorithm to be calculated to the reserved layer of power more than needed from the floor farthest in coverage, adopt again forward power allocation algorithm to be calculated to the reserved layer of power more than needed from active equipment place layer, the power more than needed that last forward power allocation algorithm is calculated is connected by forward power allocation algorithm with the power demand that reverse power allocation algorithm calculates, and the difference of the two is stayed reserved layer as power more than needed;
It is direction three or direction four that user selects power division direction, exist power more than needed, first adopt reverse power allocation algorithm to be calculated to the reserved layer of nearest power more than needed or active equipment site layer from the floor farthest in coverage, adopt again forward power allocation algorithm to be calculated to the reserved layer of power more than needed from active equipment place layer, the power more than needed that last forward power allocation algorithm is calculated is connected by forward power allocation algorithm with the power demand that reverse power allocation algorithm calculates, and the difference of the two is stayed reserved layer as power more than needed;
User selects assign direction, and this assign direction is above-mentioned either direction, and power to be allocated is no more than the 6th set point with needing distribution power difference, the two is directly connected;
User selects assign direction, this assign direction is above-mentioned either direction, power ratio to be allocated need distribute power little, and the absolute value of difference exceedes the 6th set point, need are distributed the system diagram of power floor to break step by step, select the part that approaches power to be allocated to be most directly connected with it, remainder forms new need and distributes power floor.
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