CN102611502A - Looped network allocating method and device - Google Patents

Looped network allocating method and device Download PDF

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Publication number
CN102611502A
CN102611502A CN2011100245221A CN201110024522A CN102611502A CN 102611502 A CN102611502 A CN 102611502A CN 2011100245221 A CN2011100245221 A CN 2011100245221A CN 201110024522 A CN201110024522 A CN 201110024522A CN 102611502 A CN102611502 A CN 102611502A
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rru
fiber interface
optical fiber
carriers
looped network
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CN102611502B (en
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房兆路
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2011/081938 priority patent/WO2012097630A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • H04B10/275—Ring-type networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/085—Access point devices with remote components

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Abstract

The invention provides a looped network allocating method and a looped network allocating system, belonging to the field of the mobile communication and solving the problem of the consumption of the optical fiber capacity. The looped network allocating method comprises the following steps of: obtaining carrier waves of the local cell of each RRU (remote radio unit) in a looped network by BBU (base band unit); and when BBU determines the operating mode of a certain RRU, and determining the operating mode of the certain RRU to be a load sharing mode if the quantity of carrier waves of the local cell of the certain RRU is larger than the quantity of carrier waves which can be born by the spare capacity of any optical fiber interface of main optical fiber interfaces and spare optical fiber interfaces. The technical scheme provided by the invention realizes the flexible allocation of the optical fiber capacity and is suitable for the looped network.

Description

Looped network collocation method and device
Technical field
The present invention relates to moving communicating field; Especially TD SDMA (Time Division Synchronous Code Division Multiple Access; Be called for short TD-SCDMA) indoor baseband processing unit (Base Band Unit; Be called for short BBU)+make full use of the method for fiber resource in radio frequency remoto module (Radio Remote Unit is called for short RRU) the distributed networking system.
Background technology
The NodeB of TD-SCDMA system base station side is supported multiple BBU+RRU networking mode, and commonly used has: communication link protection, multiple spot connect networking, annular networking, respectively like accompanying drawing 1,2, shown in 3.In the TD-SCDMA network; Interface between BBU and the RRU adopts is that (" the Ir interfacing of 2GHzTD-SCDMA digital mobile cellular telecommunication net distributed base station requires " wherein stipulated four kinds of mode of operations of RRU: general mode, cascade pattern, active and standby pattern and load sharing pattern to the IR interface protocol.
Existing annular networking technology, two optical fiber interfaces of BBU side and a plurality of RRU form a ring, and these two optical fiber interfaces are respectively the main fiber interface, are equipped with optical fiber interface, and RRU works under the cascade pattern.The optical fiber interface at the Operation and maintenance link place of BBU side RRU is the ownership optical fiber interface of RRU, i.e. link setup optical fiber interface.The IQ capacity that a major defect of this networking mode is subsequent use optical fiber has all been wasted.
Along with the extensive commercialization of TD-SCDMA system, number of users is more and more, and operator is increasingly high to the reliability and the capacity requirement of base station.There is strict control in operator to equipment cost simultaneously, and this just need make full use of the various resources of existing network, on the basis that does not as far as possible increase equipment cost, improves the reliability and the capacity of system as much as possible.A kind of means of the reliability of raising system and capacity are the methods through the looped network load sharing; The active and standby optical fiber interface of this method looped network all is used for transmission user face data; But RRU has only direction to receive inphase quadrature (IQ) data (promptly only with the main fiber interface or be equipped with optical fiber interface and carry out the transmission of IQ data), the situation that possibly exist fiber capacity to waste.
Summary of the invention
The invention provides a kind of looped network collocation method and system, solved the problem of fiber capacity waste.
A kind of looped network collocation method is applied to comprise this BBU in the looped network of BBU and a plurality of RRU, and this method comprises:
Said BBU obtains the number of carriers of each RRU place home cell in the looped network;
When the mode of operation of certain RRU is confirmed in said BBU decision-making; Like the number of carriers that the number of carriers of said RRU place home cell can be carried above the residual capacity of any optical fiber interface in said main fiber interface and the said optical fiber interface fully, the mode of operation of said RRU is confirmed as the load sharing pattern.
Preferably, above-mentioned looped network collocation method also comprises:
When the mode of operation of certain RRU is confirmed in said BBU decision-making; Be less than or equal to the number of carriers that said main fiber interface and the said residual capacity that is equipped with the arbitrary optical fiber interface in the optical fiber interface can be carried like the number of carriers of said RRU place home cell, the mode of operation of said RRU is confirmed as the cascade pattern.
Preferably, the residual capacity of said optical fiber interface deducts the capacity summation of the carrier occupancy of the whole RRU place home cell between said RRU and this optical fiber interface for the total capacity of this optical fiber interface.
Preferably; When said BBU confirms as the load sharing pattern with the mode of operation of said RRU; Two light mouths that said RRU is set are first line of a couplet light mouth pattern, and give said main fiber interface with the part allocation of carriers of said RRU place home cell, and other allocation of carriers are given the said optical fiber interface that is equipped with.
Preferably, when said BBU confirms as the load sharing pattern with the mode of operation of said RRU, said main fiber interface is set or the said optical fiber interface that is equipped with is the ownership light mouth of said RRU.
Preferably, the mode of operation of said RRU is confirmed as after the step of load sharing pattern, is also comprised:
When the sub-district was set up, said RRU worked in the load sharing pattern, and the part allocation of carriers of this RRU place home cell is given said main fiber interface, and other allocation of carriers are given the said optical fiber interface that is equipped with.
The present invention also provides a kind of looped network configuration-system, is applied to comprise this BBU in the looped network of BBU and a plurality of RRU, and this system comprises:
Information acquisition device is used for obtaining the number of carriers that each RRU of looped network belongs to home cell;
First inking device; Be used for when the mode of operation of certain RRU is confirmed in decision-making; Like the number of carriers that the number of carriers of said RRU place home cell can be carried above the residual capacity of any optical fiber interface in said main fiber interface and the said optical fiber interface fully, the mode of operation of said RRU is confirmed as the load sharing pattern.
Preferably, above-mentioned looped network configuration-system also comprises:
Second inking device; Be used for when the mode of operation of certain RRU is confirmed in decision-making; Be less than or equal to said main fiber interface or said like the number of carriers of said RRU place home cell and be equipped with the number of carriers that the optical fiber interface residual capacity can be carried, the mode of operation of said RRU is confirmed as the cascade pattern.
Preferably; Said first inking device; Also be used for when the mode of operation of said RRU is confirmed as the load sharing pattern; Two light mouths that said RRU is set are first line of a couplet light mouth pattern, and give said main fiber interface with the part allocation of carriers of said RRU place home cell, and other allocation of carriers are given the said optical fiber interface that is equipped with.
Preferably, said first inking device also is used to be provided with said main fiber interface or said optical fiber interface fully is the ownership light mouth of said RRU.
The invention provides a kind of looped network collocation method and system; Be applied to comprise this BBU in the looped network of BBU and a plurality of RRU; Said BBU obtains the number of carriers of each RRU place home cell in the looped network; When the mode of operation of certain RRU is confirmed in said afterwards BBU decision-making,, the mode of operation of said RRU is confirmed as the load sharing pattern like the number of carriers that the number of carriers of said RRU place home cell can be carried above the residual capacity of any optical fiber interface in said main fiber interface and the said optical fiber interface fully; Realized having solved the problem of fiber capacity waste according to the carrier wave of the residual capacity flexible allocation RRU place home cell of active and standby optical fiber interface.
Description of drawings
Fig. 1 is the schematic network structure of BBU+RRU communication link protection mode in the prior art;
Fig. 2 is the schematic network structure that the BBU+RRU multiple spot connects networking mode in the prior art;
Fig. 3 is the schematic network structure of BBU+RRU annular networking mode in the prior art;
The flow chart of a kind of looped network collocation method that Fig. 4 provides for embodiments of the invention one;
The flow chart of a kind of looped network collocation method that Fig. 5 provides for embodiments of the invention two;
Fig. 6 is the particular flow sheet of step 501 among Fig. 5;
The flow chart of a kind of looped network collocation method that Fig. 7 provides for embodiments of the invention three.
Embodiment
When RRU has only a direction to receive the IQ data, possibly there is the situation of fiber capacity waste.The optical fiber that with the capacity is 6G be example (be BBU main fiber interface (hereinafter to be referred as the key light mouth) be equipped with the fiber capacity that optical fiber interface (hereinafter to be referred as being equipped with the light mouth) is connected and be 6G, the key light mouth also is the capacity of 6G with the optical module that light mouth fully is connected with optical fiber), S10; 10,10 (3 intelligent sectors, corresponding RRU in each sector; Each RRU has 10 carrier waves, and 10 carrier waves all use) networking requirement can not satisfy, can only accomplish S10; 5; 10 (being that the carrier number that use the sector is followed successively by 10,5,10).Reason is that 6G Capacity Optical module can only be carried 120AC (antenna carrier is the base unit of IQ transfer of data); Under the macro base station single carrier 8 antenna situation, the 6G capacity can only carry 15 carrier waves, therefore; In the looped network as shown in Figure 3, RRU2 can only set up 5 carrier waves, and other 5 carrier waves can not be set up; Simultaneously, be equipped with on the light mouth, only carried 10 carrier waves of RRU3, wasted the IQ capacity of 5 carrier waves.
In order to address the above problem, embodiments of the invention provide a kind of looped network collocation method.Hereinafter will combine accompanying drawing that embodiments of the invention are elaborated.Need to prove that under the situation of not conflicting, embodiment among the application and the characteristic among the embodiment be combination in any each other.
At first, embodiments of the invention one are described.
The embodiment of the invention provides a kind of looped network collocation method, uses this method, and the flow process of accomplishing the looped network configuration is as shown in Figure 4, comprising:
Step 401, said BBU obtain the number of carriers of each RRU place home cell in the looped network;
In this step, BBU obtains the carrier number (being the IQ capacity of each RRU) of each RRU place home cell, supplies mode of operation and the allocation of carriers of each RRU of BBU decision-making to use.In the related ring network structure of embodiments of the invention, RRU is corresponding one by one with home cell.
Step 402, said BBU make a strategic decision when confirming the mode of operation of certain RRU; Number of carriers like said RRU place home cell is less than or equal to the number of carriers that the arbitrary optical fiber interface residual capacity in said main fiber interface and the said optical fiber interface fully can be carried, and the mode of operation of said RRU is confirmed as the cascade pattern;
In the embodiment of the invention, the progression of each RRU is known, and the order of RRU mode of operation is confirmed in decision according to progression.When confirming the mode of operation of certain RRU, preferentially select which light mouth of BBU to determine by BBU for this RRU Resources allocation.
Step 403, said BBU make a strategic decision when confirming the mode of operation of certain RRU; Like the number of carriers that the number of carriers of said RRU place home cell can be carried above the residual capacity of any optical fiber interface in said main fiber interface and the said optical fiber interface fully, the mode of operation of said RRU is confirmed as the load sharing pattern;
When step 404, said BBU confirm as the load sharing pattern with the mode of operation of said RRU; Two light mouths that said RRU is set are first line of a couplet light mouth pattern; And give said main fiber interface with the part allocation of carriers of said RRU place home cell, other allocation of carriers are given the said optical fiber interface that is equipped with;
When step 405, said BBU confirm as the load sharing pattern with the mode of operation of said RRU, said main fiber interface is set or the said optical fiber interface that is equipped with is the ownership light mouth of said RRU;
Step 406, when setting up in the sub-district, said RRU works in the load sharing pattern, the part allocation of carriers of this RRU place home cell is given said main fiber interface, other allocation of carriers are given the said optical fiber interface that is equipped with.
The embodiment of the invention provides a kind of looped network collocation method; Be applied to comprise this BBU in the looped network of BBU and a plurality of RRU; Said BBU obtains the number of carriers of each RRU place home cell in the looped network; When the mode of operation of certain RRU is confirmed in said afterwards BBU decision-making,, the mode of operation of said RRU is confirmed as the load sharing pattern like the number of carriers that the number of carriers of said RRU place home cell can be carried above the residual capacity of any optical fiber interface in said main fiber interface and the said optical fiber interface fully; Realized having solved the problem of fiber capacity waste according to the carrier wave of the residual capacity flexible allocation RRU place home cell of active and standby optical fiber interface.
Below in conjunction with accompanying drawing, embodiments of the invention two are described.
The embodiment of the invention provides a kind of looped network collocation method, uses this method, and the flow process of accomplishing the looped network configuration is as shown in Figure 5, comprising:
Step 501, BBU are according to the ownership light mouth (promptly carrying the BBU light mouth of RRU C&M data) of looped network configuration decisions RRU, and the BBU light mouth that carries the RRU user face data, and the mode of operation of definite RRU;
This step is specifically related to two kinds of situation: 1, key light mouth and be equipped with whole carrier waves that the residual capacity that has a light mouth in the light mouth at least is enough to carry RRU place home cell; 2, key light mouth and the residual capacity that is equipped with the light mouth all are not enough to carry whole carrier waves of RRU place home cell.(residual capacity of light mouth deducts the capacity summation of the carrier occupancy of the whole RRU place home cell between said RRU and this optical fiber interface for the total capacity of this light mouth; With Fig. 3 is example; When the mode of operation of decision-making RRU2, the residual capacity of key light mouth is 40AC, and the capacity that is equipped with the light mouth is 40AC).
Corresponding with above-mentioned two kinds of situation, this step is specifically as shown in Figure 6, comprising:
Step 5011, for the ring on each RRU; Preferentially distribute according to cascade system; Be two light mouths of RRU, one works in first line of a couplet light mouth pattern, and another works in second line of a couplet light mouth pattern; C&M data and user face data all receive through the light mouth that works in first line of a couplet light mouth pattern, and RRU works in the cascade pattern.
If step 5012 ring is gone up the carrier wave of all RRU place home cells and can both have been assigned, then decision-making is accomplished;
Promptly when the mode of operation of certain RRU is confirmed in said BBU decision-making; Be less than or equal to said main fiber interface or said like the number of carriers of said RRU place home cell and be equipped with the number of carriers that the optical fiber interface residual capacity can be carried; The mode of operation of said RRU is confirmed as the cascade pattern; And the light mouth that said RRU is set is a first line of a couplet light mouth pattern; Another light mouth that said RRU is set is a second line of a couplet light mouth pattern, and gives said main fiber interface or the said optical fiber interface that is equipped with whole allocation of carriers of said RRU place home cell, and it is the ownership light mouth of said RRU that the said main fiber interface or the said optical fiber interface fully that carry said RRU carrier wave are set.
If step 5013 ring is gone up the carrier wave of some RRU place home cell no matter divide on which light mouth at looped network two ends; All exist carrier wave can not all distribute to the problem of single light mouth; Another sidelight mouth optical module also has vacant capacity simultaneously, this RRU is set is operated in the load sharing mode;
If have such RRU on the ring, the carrier number above it all exists carrier wave can not all distribute to the problem of single light mouth (the required IQ capacity of the carrier number of this RRU no matter divide on which light mouth at looped network two ends; Add the required IQ capacity of the carrier number sum of this side front RRU; Surpassed the maximum IQ capacity that this sidelight module can be carried, promptly the required IQ capacity of the carrier number sum of RRU1 and RRU2 place home cell has surpassed the IQ capacity of key light mouth), another sidelight mouth optical module also has vacant capacity simultaneously; So; Can let this RRU be operated in the load sharing mode, promptly two of this RRU light mouths all work in first line of a couplet light mouth pattern, and user face data is carried on two light mouths; Make the IQ capacity of light mouth optical module of RRU both sides all divide as far as possible, do not have the IQ waste of capacity; The ownership light mouth of this RRU can be chosen in the key light mouth or be equipped with the light mouth.Generally speaking, this RRU is the RRU of afterbody.
Step 502, RRU link setup on its ownership light mouth;
In this step,, the mode of operation that ring is gone up each RRU is set respectively according to the result of step 501 decision-making; When the mode of operation of RRU is the cascade pattern, ownership light mouth and BBU link setup that light mouth and the said BBU of said RRU through self working in first line of a couplet light mouth pattern goes up this RRU.
After step 503, RRU were in proper working order, home cell can be used, and NodeB reports RNC through audit;
Step 504, RNC initiate the sub-district and set up request;
Step 505, NodeB receive sub-district foundation request, if the RRU under this sub-district works in the cascade pattern, then carrier wave all is based upon on its ownership light mouth; If the RRU under this sub-district works in the load sharing pattern, then its a part of allocation of carriers is on the key light mouth, and remaining allocation of carriers is being equipped with on the light mouth.
Embodiments of the invention provide a kind of looped network collocation method and system; Be applied to comprise this BBU in the looped network of BBU and a plurality of RRU; Said BBU obtains the carrier number of each RRU place home cell in the looped network; When the mode of operation of certain RRU is confirmed in said afterwards BBU decision-making,, the mode of operation of said RRU is confirmed as the load sharing pattern like the number of carriers that the number of carriers of said RRU place home cell can be carried above the residual capacity of any optical fiber interface in said main fiber interface and the said optical fiber interface fully; Realized residual capacity flexible allocation RRU place home cell carrier wave, solved the problem of fiber capacity waste according to active and standby optical fiber interface.Through the method for a kind of user data load sharing on two light mouths, solved the problem that fiber capacity can not make full use of under the annular networking mode.
Below in conjunction with accompanying drawing, a kind of looped network collocation method that embodiments of the invention three provide is introduced.
The embodiment of the invention is with S10 in the TD-SCDMA system, and it is example that flow process is set up in 10,10 sub-districts, and technical scheme of the present invention is done further to introduce in detail.
Idiographic flow is as shown in Figure 7, comprising:
The RRU of step 701,3 annular networkings of NodeB configuration uses the 6G optical module, and the total capacity of two light mouths is 240AC.With nowhere to turn to the police, dispose corresponding home cell on the ring, 10 carrier waves of each home cell;
Step 702, BBU be according to configuration and alarm situation, and the ownership light mouth of RRU on the decision loop, and the light mouth that user face data carried are confirmed the mode of operation of RRU.RRU1 place home cell has 10 carrier waves, need take the 80AC capacity, is no more than the capacity 120AC of key light mouth, and 10 carrier waves of RRU1 place home cell are all built on the key light mouth, and its mode of operation is cascade, and the key light mouth is its ownership light mouth.RRU3 place home cell has 10 carrier waves, need take the 80AxC capacity, is no more than the capacity 120AC of light mouth fully, and 10 carrier waves of RRU3 place home cell are all built in and are equipped with on the light mouth, and its mode of operation is cascade, and being equipped with the light mouth is its ownership light mouth.RRU2 place home cell has 10 carrier waves; Need take the 80AC capacity; Because the residual capacity of key light mouth is 40AC (total capacity 120AC-gives the 80AC of RRU1); Can not all be distributed on the key light mouth, be equipped with the vacant capacity that the light mouth also has 40AC (total capacity 120AC-gives the 80AC of RRU3) simultaneously; The residual capacity that is equipped with the light mouth is 40AC, can not all be distributed in to be equipped with on the light mouth.Therefore, RRU2 need work in the load sharing pattern, and 5 carrier waves are based upon on the key light mouth, and other 5 carrier waves are based upon fully on the light mouth, can or be equipped with the light mouth with the key light mouth and belong to light mouth for it.
Step 703, RRU go up link setup through the ownership light mouth of each RRU with corresponding RRU according to ownership light mouth configuration information;
In this step, each RRU passes through first line of a couplet mode light mouth and ownership light mouth and BBU link setup separately.Concrete, when the mode of operation of RRU is the cascade pattern, go up ownership light mouth and the BBU link setup of this RRU through light mouth under the first line of a couplet pattern of this RRU and BBU; When the mode of operation of RRU was the load sharing pattern, because two light mouths of RRU all work in first line of a couplet pattern, the light mouth that uses when choosing a light mouth as link setup wantonly was through ownership light mouth and the BBU link setup of this light mouth and last this RRU of BBU.
Step 704, the decision situation according to 702 are provided with the mode of operation of RRU;
In this step,, the mode of operation of each RRU is set according to the decision-making of step 702.Concrete, the mode of operation of RRU1 is set to the cascade pattern, and the light mouth of RRU1 is set to first line of a couplet pattern, and another light mouth is set to second line of a couplet pattern, and the key light mouth of BBU is set to the ownership light mouth of RRU1; The mode of operation of RRU2 is set to the load sharing pattern, and the pattern of two light mouths of RRU2 all is set to first line of a couplet pattern, from the key light mouth of BBU be equipped with optional ownership light mouth the light mouth as RRU2; The mode of operation of RRU3 is set to the cascade pattern, and the light mouth of RRU3 is set to first line of a couplet pattern, and another light mouth is set to second line of a couplet pattern, and the key light mouth of BBU is set to the ownership light mouth of RRU3.
Step 705, RRU initialization of calibration are accomplished, and channel status can be used.At this moment, the home cell state also becomes available, and NodeB reports RNC with the home cell state through audit;
Step 706, RNC initiate the sub-district and set up flow process, and NodeB receives the sub-district foundation request of RRU1, RRU2 and RRU3 respectively, according to the decision situation of step 702, on each RRU, sets up carrier wave;
Step 707, final, 10 carrier waves of RRU1 place home cell are based upon on the key light mouth; 5 carrier waves of RRU2 place home cell are based upon on the key light mouth, and other 5 carrier waves are based upon and are equipped with on the light mouth; 10 carrier waves of RRU3 place home cell are based upon and are equipped with on the light mouth.The capacity of 2 light mouth 240AC is utilized fully.
The embodiment of the invention provides a kind of looped network collocation method; Be applied to comprise this BBU in the looped network of BBU and a plurality of RRU; Said BBU obtains the number of carriers of each RRU place home cell in the looped network; When the mode of operation of certain RRU is confirmed in said afterwards BBU decision-making,, the mode of operation of said RRU is confirmed as the load sharing pattern like the number of carriers that the number of carriers of said RRU place home cell can be carried above the residual capacity of any optical fiber interface in said main fiber interface and the said optical fiber interface fully; Realized having solved the problem of fiber capacity waste according to the carrier wave of the residual capacity flexible allocation RRU place home cell of active and standby optical fiber interface.In addition, the technical scheme that the embodiment of the invention provides is easier to expand to the annular networking of other communication system, to make full use of the capacity of optical fiber.
Embodiments of the invention four provide a kind of looped network configuration-system, are applied to comprise this BBU in the looped network of BBU and a plurality of RRU, and this system comprises:
Information acquisition device is used for obtaining the number of carriers that each RRU of looped network belongs to home cell;
First inking device; Be used for when the mode of operation of certain RRU is confirmed in decision-making; Like the number of carriers that the number of carriers of said RRU place home cell can be carried above the residual capacity of any optical fiber interface in said main fiber interface and the said optical fiber interface fully, the mode of operation of said RRU is confirmed as the load sharing pattern.
Preferably; Second inking device; Be used for when the mode of operation of certain RRU is confirmed in decision-making; Be less than or equal to said main fiber interface or said like the number of carriers of said RRU place home cell and be equipped with the number of carriers that the optical fiber interface residual capacity can be carried, the mode of operation of said RRU is confirmed as the cascade pattern.
Preferably; Said first inking device; Also be used for when the mode of operation of said RRU is confirmed as the load sharing pattern, two light mouths that said RRU is set are first line of a couplet light mouth pattern, and give said main fiber interface with the part allocation of carriers of said RRU place home cell; Other allocation of carriers are given the said optical fiber interface that is equipped with, and said main fiber interface are set or said to be equipped with optical fiber interface be the ownership light mouth of said RRU.
Preferably; Said second inking device; Also be used for when the mode of operation of said RRU is confirmed as the cascade pattern, the light mouth that said RRU is set is a first line of a couplet light mouth pattern, and another light mouth that said RRU is set is a second line of a couplet light mouth pattern; And give said main fiber interface or the said optical fiber interface that is equipped with whole allocation of carriers of said RRU place home cell, the said main fiber interface that carries said RRU place home cell carrier wave is set or said to be equipped with optical fiber interface be the ownership light mouth of said RRU.
Above-mentioned looped network configuration-system; Can combine with embodiments of the invention looped network collocation method; Be applied to comprise this BBU in the looped network of BBU and a plurality of RRU; Said BBU obtains the carrier number of each RRU place home cell in the looped network; When the mode of operation of certain RRU is confirmed in said afterwards BBU decision-making,, the mode of operation of said RRU is confirmed as the load sharing pattern like the number of carriers that the number of carriers of said RRU place home cell can be carried above the residual capacity of any optical fiber interface in said main fiber interface and the said optical fiber interface fully; Realized residual capacity flexible allocation RRU carrier wave, solved the problem of fiber capacity waste according to active and standby optical fiber interface.
The all or part of step that the one of ordinary skill in the art will appreciate that the foregoing description program circuit that can use a computer is realized; Said computer program can be stored in the computer-readable recording medium; Said computer program (like system, unit, device etc.) on the relevant hardware platform is carried out; When carrying out, comprise one of step or its combination of method embodiment.
Alternatively, all or part of step of the foregoing description also can use integrated circuit to realize, these steps can be made into integrated circuit modules one by one respectively, perhaps a plurality of modules in them or step is made into the single integrated circuit module and realizes.Like this, the present invention is not restricted to any specific hardware and software combination.
Each device/functional module/functional unit in the foregoing description can adopt the general calculation device to realize, they can concentrate on the single calculation element, also can be distributed on the network that a plurality of calculation element forms.
Each device/functional module/functional unit in the foregoing description is realized with the form of software function module and during as independently production marketing or use, can be stored in the computer read/write memory medium.The above-mentioned computer read/write memory medium of mentioning can be a read-only memory, disk or CD etc.
Any technical staff who is familiar with the present technique field can expect changing or replacement in the technical scope that the present invention discloses easily, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the described protection range of claim.

Claims (10)

1. looped network collocation method is applied to comprise this BBU in the looped network of indoor baseband processing unit (BBU) and a plurality of radio frequency remoto module (RRU), it is characterized in that this method comprises:
Said BBU obtains the number of carriers of each RRU place home cell in the looped network;
When the mode of operation of certain RRU is confirmed in said BBU decision-making; Like the number of carriers that the number of carriers of said RRU place home cell can be carried above the residual capacity of any optical fiber interface in said main fiber interface and the said optical fiber interface fully, the mode of operation of said RRU is confirmed as the load sharing pattern.
2. looped network collocation method according to claim 1 is characterized in that, this method also comprises:
When the mode of operation of certain RRU is confirmed in said BBU decision-making; Be less than or equal to the number of carriers that said main fiber interface or the said residual capacity that is equipped with the arbitrary optical fiber interface in the optical fiber interface can be carried like the number of carriers of said RRU place home cell, the mode of operation of said RRU is confirmed as the cascade pattern.
3. looped network collocation method according to claim 1 and 2; It is characterized in that the residual capacity of said optical fiber interface deducts the capacity summation of the carrier occupancy of the whole RRU place home cell between said RRU and this optical fiber interface for the total capacity of this optical fiber interface.
4. looped network collocation method according to claim 1 is characterized in that:
When said BBU confirms as the load sharing pattern with the mode of operation of said RRU; Two light mouths that said RRU is set are first line of a couplet light mouth pattern; And give said main fiber interface with the part allocation of carriers of said RRU place home cell, other allocation of carriers are given the said optical fiber interface that is equipped with.
5. looped network collocation method according to claim 1 is characterized in that:
When said BBU confirms as the load sharing pattern with the mode of operation of said RRU, said main fiber interface is set or the said optical fiber interface that is equipped with is the ownership light mouth of said RRU.
6. looped network collocation method according to claim 1 is characterized in that, the mode of operation of said RRU is confirmed as after the step of load sharing pattern, also comprises:
When the sub-district was set up, said RRU worked in the load sharing pattern, and the part allocation of carriers of this RRU place home cell is given said main fiber interface, and other allocation of carriers are given the said optical fiber interface that is equipped with.
7. looped network configuration-system is applied to comprise this BBU in the looped network of BBU and a plurality of RRU, it is characterized in that this system comprises:
Information acquisition device is used for obtaining the number of carriers that each RRU of looped network belongs to home cell;
First inking device; Be used for when the mode of operation of certain RRU is confirmed in decision-making; Like the number of carriers that the number of carriers of said RRU place home cell can be carried above the residual capacity of any optical fiber interface in said main fiber interface and the said optical fiber interface fully, the mode of operation of said RRU is confirmed as the load sharing pattern.
8. looped network configuration-system according to claim 7 is characterized in that, this system also comprises:
Second inking device; Be used for when the mode of operation of certain RRU is confirmed in decision-making; Be less than or equal to said main fiber interface or said like the number of carriers of said RRU place home cell and be equipped with the number of carriers that the optical fiber interface residual capacity can be carried, the mode of operation of said RRU is confirmed as the cascade pattern.
9. looped network configuration-system according to claim 7 is characterized in that:
Said first inking device; Also be used for when the mode of operation of said RRU is confirmed as the load sharing pattern; Two light mouths that said RRU is set are first line of a couplet light mouth pattern; And give said main fiber interface with the part allocation of carriers of said RRU place home cell, other allocation of carriers are given the said optical fiber interface that is equipped with.
10. looped network configuration-system according to claim 8 is characterized in that:
Said first inking device also is used to be provided with said main fiber interface or said optical fiber interface fully is the ownership light mouth of said RRU.
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