CN205830045U - A kind of compartment system - Google Patents

Abstract

The utility model discloses a kind of compartment system, including base station near-end unit, base station near-end unit by 2G 3G the 4G system integration together, described light distribution unit comprises and connects light inlet and defeated light-emitting window, connecing light inlet and directly access 2G 3G 4G base station near-end unit by transmission cable or tail optical fiber, the defeated light-emitting window of light distribution unit directly connects expanding element by optical cable；Expanding element comprises and connects light inlet, cascade light mouth and output extension light mouth, the light inlet that connects in expanding element is to connect light distribution unit or the expanding element of link cascade by optical cable, and output extension light mouth is directly by optical cable or netting twine connecting integration far-end unit.This utility model one compartment system cell splitting or merge relatively simple, only can complete amendment by daemon software configuration.Networking is very flexible, can adjust at any time according to scene traffic tide demand and carry out cell combining/division.

Description

A kind of compartment system

Technical field

This utility model relates to moving communicating field, especially relates to a kind of compartment system.

Background technology

Along with the development of mobile communications network, mobile network's scale of mobile communication carrier and overburden depth are increasingly Greatly.Effectively supplementing as outdoor base station, and the degree of depth of indoor signal is covered, the construction of indoor distributed system is carried out at present Obtaining the swiftest and the most violent, some metropolitan quantity has exceeded the quantity of outdoor base station.This is primarily due to when TD-LTE is for intensive When city covers, due to the restriction of the factors such as site construction condition, network planning network optimization ability, cause current TD-LTE outdoor macro base station There is a lot of blind spot in covering.Corresponding thereto, even if covering preferable region at signal, when traffic needs is higher, also need Frequency to be increased or website quantity, now will face high construction cost and higher addressing difficulty.

Predicting according to associated mechanisms, mobile broadband data service will increase by more than 10 times at the five-year, increase at coming 10 years Long more than 30 times.In order to preferably solve the pressure that broadband data service brings, TD-LTE have employed heterogeneous network concept, definition For the multisystem of base station equipment composition of various standards, various power grade, multi-level network structure.Indoor distributed system is Realize the most important means of heterogeneous network Destination Network Structure.On the one hand it is the important means solving TD-LTE network capacity, separately On the one hand also it is the most real and the most urgent networking means.At present, the side that indoor distributed system is the most frequently used Formula is exactly that feeder line, power splitter, bonder add traditional compartment system that antenna is constituted.This mode is applied for many years, but in reality Border application but there is obvious several shortcoming, as shown in table 1:

Table 1:

From the point of view of above statistics, tradition indoor distributed system is primarily present the problem of following several respects, cannot meet Network competition growth requirement:

1. construction reformation difficulty is divided in existing network room, and original device aging, fault detect are difficult in maintenance, it is difficult to promote LTE network Speed, inconvenience dilatation evolution.Can only be by strengthening management in design and operation, during strengthening construction maintenance, the inspection to original device is surveyed Examination, reduces the impact on network quality, it is impossible to the problem fundamentally solving indoor.

2. line loss is big: tradition indoor distributed system uses substantial amounts of feeder line, and its loss is relatively big, the power of the overwhelming majority Being wasted on feeder line, efficiency of transmission is low.And it is off quality to there is part of devices, affects room and divide coverage effect；

3. must develop new be prone to hidden, installation and deployment are simple and lower-cost product, solve important place and difficulty With build branch, room covering problem.

Utility model content

The purpose of this utility model is to provide a kind of compartment system, and this system is on the basis of conventional chamber is divided, it is possible to very well Carry out degree of depth covering and capacity boost.

The purpose of this utility model is achieved through the following technical solutions:

A kind of compartment system, includes base station near-end unit, light distribution unit, expanding element and integration far-end unit, Described base station near-end unit be 2G 3G the base station proximal device of 4G system, base station near-end unit by 2G 3G the 4G system integration Together, described light distribution unit comprises and connects light inlet and defeated light-emitting window, connects light inlet directly by transmission cable or tail Fine access 2G 3G 4G base station near-end unit, the most each light mouth all support 2G 3G each system access of 4G；Light distribution unit Defeated light-emitting window directly connects expanding element by optical cable；Expanding element comprises and connects light inlet, cascade light mouth and output extension light Mouthful, the light inlet that connects in expanding element is to connect light distribution unit or the expanding element of link cascade by optical cable, and output is expanded Exhibition light mouth is directly by optical cable or netting twine connecting integration far-end unit.

Described integrated far-end unit is integration far-end unit and covers the integration apparatus that antenna integrates, Antenna integrated for orientation tabular dual polarized antenna.

Feeder line interface is had by feeder line interface external room divided antenna on described integrated far-end unit.

Described base station near-end unit is furnished with MT-RJ interface, upwards enters mobile core network management through transmission network and is System, connects the MT-RJ interface of light distribution unit down through optical cable or tail optical fiber.

The described light inlet interface type that connects is MT-RJ interface；Defeated light-emitting window interface type is SC interface.

The coffret type of described expanding element is SC interface.

A described light distribution unit supports that 6 links connect expanding element；Between light distribution unit and expanding element Support star-like networking and expanding element cascade system networking；One link of light distribution unit supports 4 grades of expanding element cascades.This Utility model have the advantage that with effect is:

This utility model one compartment system, is that a kind of good degree of depth covers and the solution of capacity boost.This reality Being on the basis of Femto, PicoCell with novel a kind of compartment system, evolution has gone out the function of self adaptation, Self management, simultaneously Merge MIMO function, achieved the function of TD-LTE multichannel transmitting-receiving more easily, embody the network advantage of TD-LTE.This Utility model one compartment system cell splitting or merge relatively simple, only can complete amendment by daemon software configuration.Group Net is very flexible, can adjust at any time according to scene traffic tide demand and carry out cell combining/division.Again it is suitable for complicated various Covering scene, simultaneously integration, the design of miniaturization reduce installation difficulty and base station cost.In TD-LTE Large scale construction Instantly, on the basis of construction mode is divided in tradition macro station, room, this utility model one compartment system be highly effective, strong, Feasible supplementary construction mode.

Accompanying drawing explanation

Fig. 1 is structured flowchart of the present utility model；

Fig. 2 is integration far-end unit schematic diagram of the present utility model；

Fig. 3 is integration far-end unit stereogram of the present utility model.

Detailed description of the invention

As it is shown in figure 1, this utility model one compartment system, based on mobile communication new technique, it includes: base station near-end Unit, light distribution unit, expanding element and integration far-end unit.Described base station near-end unit refer to 2G 3G 4G system Base station proximal device, base station near-end unit by 2G 3G the 4G system integration together, base station near-end unit is furnished with MT-RJ and connects Mouthful, upwards enter mobile core network management system through transmission network, connect light distribution unit down through optical cable or tail optical fiber MT-RJ interface.The defeated light-emitting window of light distribution unit directly connects the SC interface of expanding element by optical cable.Wherein, a light divides Cloth unit can support that 6 links connect expanding element.Star-like networking and extension is supported between light distribution unit and expanding element Unit cascaded mode networking.One link of light distribution unit supports 4 grades of expanding element cascades.Expanding element comprises access light Mouthful, cascade light mouth and output extension light mouth, output extension light mouth is directly by optical cable or netting twine connecting integration far-end unit.

Integration far-end unit in be divided into 2G processing module, 3G processing module, 4G processing module, WLAN processing module and Anneta module, as shown in Figure 2,3.Wherein, 2G 3G WLAN processing module one be by expanding element transmit signal by filtering, Signal processing passes through antenna transmission to user after amplifying；Two is after the signal message received by antenna passes through signal processing, logical Cross fiber-optic transfer to expanding element.The Main Function of 4G processing module is to realize MIMO function, and signal is passed through by 4G processing module Filtering, after up-downgoing segregant resume module, up dual-antenna reception user profile, descending double antenna sends base station signal, logical Cross the double MIMO function sending out double receipts (2T2R) of 4G processing modules implement.

This utility model a kind of compartment system signal processing based on mobile communication new technique:

Downlink: then the signal of base station near-end unit is linked into system by light distribution unit is carried out signal at numeral Reason packing, is transmitted through the fiber to expanding element；After the signal that light distribution unit transmits is processed by expanding element, logical Cross optical fiber, be transferred to integration far-end unit；After the signal processing that expanding element is transmitted by integration far-end unit amplifies, pass through Antenna, is transferred to user.

Up-link: after integration far-end unit receives the information of user, by integration far-end unit signal processing After, by fiber-optic transfer to expanding element；The signal of all integration far-end unit transmission is digitized place by expanding element After reason packing, it is transmitted through the fiber to light distribution unit；The digital signal of expanding element is packed after reduction by light distribution unit, passes Defeated time base station near-end unit.

This utility model one compartment system various scene coverage effect is as follows:

(1) high business scenario covers result: depletion region covering radius reaches 30 meters；Wear one and block up 10dB body of wall, covering radius Reach 10 meters；Deployment facility need to be distinguished in Hou Qiang both sides when wearing the thick wall of 20dB.

(2) general service scene covers result: depletion region covering radius reaches 90 meters；Wear one and block up 10dB body of wall, cover half Footpath reaches 30 meters；Wearing 20dB thickness wall, covering radius reaches 10 meters.

(3) low business scenario (parking lot) covers result: depletion region covering radius is up to 500 meters；Wear one and block up 10dB wall, Covering radius reaches 150 meters；Wear 20dB Hou Qiang overlay area covering radius and reach 50 meters.

This utility model one compartment system general user supports situation such as table 2:

Table 2:

To capacity requirement relatively large scene, need to consider that single community user number limits, be updated community and antenna point position adjusting Whole.

The characteristic and advantage of a kind of compartment system of this utility model；

1. system structure is simple, simplifies room separation structure, disposes quick and convenient, saves the construction period.It is no longer necessary to tradition The big metering device that room is divided, solves device quality, problem that engineering construction quality affects in-door covering application quality.

2. with grand net common network pipe, solve with former compartment system cannot the problem of network management monitoring, the shape of each equipment State is managed concentratedly by webmaster, very clear to room subnetwork situation, it is simple to troubleshooting, improves network optimization efficiency.Indoor outer net Network is collaborative to be optimized, and promotes overall network quality.

3. supporting LTE MIMO, double-current signal is stable.With conventional chamber split-phase ratio, the total throughput in community can be made to promote 100%, Edge customer speed promotes more than 40%.

4. supporting carrier aggregation, flank speed is up to 300Mbps, smooth upgrade to LTE-A.

5. output all can individually adjust, it is achieved accurately covers, and reduces interference.

6. community can directly be merged by remote software or be divided, simple to operate, it is not necessary to divide room and be adjusted.

Claims (7)

1. a compartment system, it is characterised in that: include base station near-end unit, light distribution unit, expanding element and integration Far-end unit, described base station near-end unit be 2G 3G the base station proximal device of 4G system, base station near-end unit by 2G 3G Together, described light distribution unit comprises and connects light inlet and defeated light-emitting window in the 4G system integration, connects light inlet directly by transmission Optical cable or tail optical fiber access 2G 3G 4G base station near-end unit, the most each light mouth all support 2G 3G each system access of 4G；Light The defeated light-emitting window of distribution unit directly connects expanding element by optical cable；Expanding element comprises and connects light inlet, cascade light mouth and Output extension light mouth, the light inlet that connects in expanding element is to connect light distribution unit or the extension list of link cascade by optical cable Unit, output extension light mouth is directly by optical cable or netting twine connecting integration far-end unit.

A kind of compartment system the most according to claim 1, it is characterised in that: described integrated far-end unit is integration The integration apparatus that far-end unit and covering antenna integrate, antenna integrated for orientation tabular dual polarized antenna.

A kind of compartment system the most according to claim 1, it is characterised in that: there is feeder line on described integrated far-end unit Interface passes through feeder line interface external room divided antenna.

A kind of compartment system the most according to claim 1, it is characterised in that: described base station near-end unit is furnished with MT-RJ Interface, upwards enters mobile core network management system through transmission network, connects light distribution unit down through optical cable or tail optical fiber MT-RJ interface.

A kind of compartment system the most according to claim 1, it is characterised in that: the described light inlet interface type that connects is MT- RJ interface；Defeated light-emitting window interface type is SC interface.

A kind of compartment system the most according to claim 1, it is characterised in that: the coffret type of described expanding element For SC interface.

A kind of compartment system the most according to claim 1, it is characterised in that: a described light distribution unit supports 6 Link connects expanding element；Star-like networking and expanding element cascade system networking is supported between light distribution unit and expanding element； One link of light distribution unit supports 4 grades of expanding element cascades.