Summary of the invention
The object of the present invention is to provide a kind of base station resource shared system and method; Through the shared mode dynamic assignment resource of resource pool; Reduce network congestion, improve the utilization ratio of base station resource, improve the base station user capacity; And can dynamically allocate wireless network resource according to business demand, tackle tidal effect effectively.
In order to solve above technical problem, the present invention provides a kind of base station resource shared system, comprising: base station controller, and the cloud base station,
Said cloud base station is made up of a plurality of base stations, puts into same resource pool to the resource of each base station;
Said base station controller is used to control said cloud base station, and the Radio Resource of management Access Network.
Further, said cloud base station comprises at least the first crosspoint, and second crosspoint and BBU machine frame are formed, wherein,
Said BBU machine frame is made up of the Base Band Unit of putting a plurality of base stations to the same machine room, and each Base Band Unit provides base stations control interface and base station to share interface in logic at least;
Said first crosspoint is used for being connected to base station controller after the base stations control interface connection of each Base Band Unit through each Base Band Unit;
Said second crosspoint is used for that each Base Band Unit is shared interface through the base station and connects.
Further, said first crosspoint and second crosspoint are two switches, or two functional units in switch.
In order to solve above technical problem, the present invention also provides a kind of base station resource to share method, comprising:
Resource-sharing is carried out in a plurality of base stations, form resource pool;
By base station united and coordinating in the resource pool is that the user that request is served provides service.
Further; Said is that the user that request is served provides service by base station united and coordinating in the resource pool; Specifically comprise: when a certain base station requests of user in resource pool served; Whether this this base station of inspection, base station has enough surplus resources that service is provided, if having, the corresponding resource of this base station assigns provides service for the user; Otherwise, whether enough surplus resources are arranged in the query resource pond, if having, this user's business is routed in the base station of resource and handles.
Further, said method further comprises: after the user that the base station is served for request in the resource pool provides service, upgrade the surplus resources capacity of resource pool.
Compared with prior art; A kind of base station resource shared system provided by the invention and method; Form the cloud base station through interconnecting a plurality of base stations, and put into same resource pool to the resource of each base station, realize the resource-sharing of each base station with resource pool and dynamic resource scheduling mode.After the resource-sharing, even certain base station burst a large number of users wherein surpasses this base station user's upper limit, as long as also have surplus resources in the resource pool, this base station just can continue to admit the user and service is provided.The mode dynamic assignment resource that the present invention shares through resource pool; Reduce network congestion, improve the utilization ratio of base station resource, be expanded into the user capacity of traditional base station the user capacity of whole cloud base station; Improve the base station user capacity; And can dynamically allocate wireless network resource according to business demand, successfully manage tidal effect, significantly promote quality of service.
In addition, the present invention can also be lowered operating cost of operator.The mode of resource-sharing can be practiced thrift base station resource, reduces network construction cost; The base station puts together can practice thrift machine room, for operator saves a large amount of air conditioner in machine room and the energy consumption of corollary equipment, and can effectively solve the deficient problem in 3G site.At last, autgmentability of the present invention is also very good, adopts a kind of distributed system between each base station, can carry out dilatation dynamically, can not bring other fringe costs.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer, clear,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 1, the present invention provides a kind of base station resource shared system, comprising: base station controller 10, and cloud base station 20, wherein,
This cloud base station 20 is made up of a plurality of base stations, puts into same resource pool to the resource of each base station, realizes the resource-sharing of each base station through the mode of resource pool and dynamic resource scheduling, is that the user that request is served provides service by base station united and coordinating in the resource pool.This cloud base station 20 comprises at least two crosspoints 22,23 and BBU machine frame 24 compositions, wherein,
This BBU machine frame 24 is made up of the Base Band Unit of a plurality of base stations, like BBU 1, BBU 2 ... BBUN, these Base Band Unit are put to same machine room, and each Base Band Unit provides two interfaces in logic at least, divide another name base stations control interface and base station to share interface.
This crosspoint 22 is connected to base station controller 10 after being used for the base stations control interface of each Base Band Unit through each Base Band Unit coupled together, and each Base Band Unit is connected with base station controller 10;
This crosspoint 23 is used for that each Base Band Unit is shared interface through the base station and couples together, and makes between each base station to interconnect, and forms a cloud base station 20.
This base station controller 10 is control centres of Access Network, is used to control base station and UE, and the Radio Resource of being in charge of Access Network.
Wherein, this crosspoint 22,23 can be two switches physically, also can be two functional units of drawing in the switch.
As shown in Figure 2, the present invention provides a kind of base station resource to share method, comprising:
After step 1, the base station operation, at first carry out resource-sharing, form resource pool, the remaining users capacity of each base station all is updated to the user capacity of whole cloud base station, i.e. the user capacity sum of each base station.Be that the user that request is served provides service by base station united and coordinating in the resource pool again.
Step 2, the user a certain base station requests service in resource pool;
Whether this base station of Base Band Unit inspection of step 3, this base station has enough surplus resources that service is provided, if enough resources are arranged, changes step 4; Otherwise, change step 5;
Step 4, the corresponding resource of this base station assigns, and, change step 7 for the user provides service;
In step 5, the query resource pond whether enough surplus resources are arranged,, change step 6 if having, otherwise, step 8 changeed;
Step 6, this user's business is routed in the base station of resource and handles;
The surplus resources capacity of step 7, renewal resource pool.
Step 8, inadequate resource, refusal provides service.
Be the concrete steps of example explanation cloud base station extended base station user capacity below with three base stations.
If A, B, three base stations of C are respectively in first, second, the third three zones.The maximum number of user that the base station can be supported is respectively Na, Nb, and each base station of Nc provides base stations control network interface and base station to share network interface, and the peak user quantity of three base stations is respectively N1, N2, N3, the peak user time point is respectively T1, T2, T3.
The first step analyze to be found, T1 be engraved in one day when T2, three of T3 and stagger each other in the twenty four hours, and user's total amount of any time remains unchanged basically.
Second step, A, B, the Base Band Unit of three base stations of C is put into same machine room, and is connected to the shared network interface of base station on same the switch, makes between each base station to interconnect.
In the 3rd step, after each base station operation, the remaining users capacity all is updated to (Na+Nb+Nc).
In the 4th step, each base station provides service, and the base station residual capacity that upgrades in time.If the A base station resource is not enough, but B or C go up resource in addition, then by B or C service are provided.If A, B, C is last all not to have resource, then service can not be provided.
The present invention provides a kind of base station resource shared system and method, forms the cloud base station through interconnecting a plurality of base stations, and puts into same resource pool to the resource of each base station, realizes the resource-sharing of each base station with the mode of resource pool and dynamic resource scheduling.After the resource-sharing, even certain base station burst a large number of users wherein surpasses this base station user's upper limit, as long as also have surplus resources in the resource pool, this base station just can continue to admit the user and service is provided.The mode dynamic assignment resource that the present invention shares through resource pool; Reduce network congestion, improve the utilization ratio of base station resource, be expanded into the user capacity of traditional base station the user capacity of whole cloud base station; Improve the base station user capacity; And can dynamically allocate wireless network resource according to business demand, successfully manage tidal effect, significantly promote quality of service.
Above-mentioned explanation illustrates and has described a preferred embodiment of the present invention; But as previously mentioned; Be to be understood that the present invention is not limited to the form that this paper discloses, should do not regard eliminating as, and can be used for various other combinations, modification and environment other embodiment; And can in invention contemplated scope described herein, change through the technology or the knowledge of above-mentioned instruction or association area.And change that those skilled in the art carried out and variation do not break away from the spirit and scope of the present invention, then all should be in the protection range of accompanying claims of the present invention.