CN100340127C - Method for managing base station resource by base station controller - Google Patents
Method for managing base station resource by base station controller Download PDFInfo
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- CN100340127C CN100340127C CNB2004100888832A CN200410088883A CN100340127C CN 100340127 C CN100340127 C CN 100340127C CN B2004100888832 A CNB2004100888832 A CN B2004100888832A CN 200410088883 A CN200410088883 A CN 200410088883A CN 100340127 C CN100340127 C CN 100340127C
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Abstract
The present invention discloses a method for managing resources of a base station by a controller of a base station. The present invention comprises steps: (1) a base station sends the information of resource capability to a controller of a base station, the information of resource capability comprises the states of time slots processed by the base station, and the states comprise an unusable state and a usable state; (2) the controller of a base station acquires the state of each time slot from the received information of resource capability; (3) the controller of a base station acquires the processing capacity of the base station from the information of resource capability of the base station, and whether the processing capacity of the base station is greater than or equal to that of a preset threshold is determined; when the processing capacity of the base station is greater than or equal to that of a preset threshold, processing tasks are allocated to time slots of the usable state; otherwise, the base station is closed. The present invention adds the state information of time slots to resource reporting information sent by the base station to the controller of a base station; thereby, the controller of a base station obtains the state of each time slot, and the corresponding operation of resource management is accordingly carried out.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to a kind of management method that is applied in the base station controller of wireless communication system to base station resource.
Background technology
Base station sub-system is pith in the wireless communication system, and it mainly is responsible for the reception and the transmission of signal, to realize between the wireless user terminal or the communication function between user terminal and the service content provider.See also Fig. 1, it is the network topology figure of base station sub-system in the wireless communication system.Each base station sub-system is made up of base station 1 and base station controller 2.Work under the control of base station controller 2 in base station 1, it mainly provides the access function of Radio Resource, and base station controller 2 mainly provides the controlled function of Radio Resource.Wherein, base station controller 2 manages the effect that reaches the work of control base station by the resource to base station 1.
See also Fig. 2, it is the flow chart of prior art base station controller to the management method of base station resource.It comprises:
At first carry out step S110: the base station reports the resource capability information of this base station, the base station can initiatively report the resource capability of this base station by the resource status Indication message, also can be after receiving the resource inspection order that base station controller issues, by sending the resource capability of verifying the response message reporting base station.The resource capability of base station is the disposal ability that reports to base station controller by digital form.Such as each time slot Channel Processing ability is 16, and in TD-SCDMA (Time Division-Synchronous Code Division Multiple Access) communication system, base station maximum in a wireless sub-frame can handle six descending time slots or maximum can be handled six ascending time slots.Under the situation that each downlink or uplink time slot all normally sends, total the downlink processing ability of base station is exactly 96, total up disposal ability is 96.When one of them descending time slot breaks down, then the downlink processing ability drop is 80, and when two ascending time slots break down, then up disposal ability drops to 64;
Carry out step S120 then: base station controller is known the disposal ability of this base station according to the base station resource ability information that reports, (promptly more than or equal to) pre-set threshold of judging whether the base station resource ability is not less than, if, then to the base station processing that degrades, otherwise, close this base station.Suppose that pre-set threshold is 80 for the down channel disposal ability, the up channel disposal ability is 80.Then if receive the downlink processing ability be 80 and up disposal ability be 64, the decline that then shows the base station resource ability has surpassed threshold range, then closes this base station.
In TDD (time division duplex) wireless communication system, because base station controller is based on time slot and issues new Processing tasks, and in the management method of existing base station controller to base station resource, because the base station can't report to base station controller with time slot state, therefore base station controller can not obtain the state of each time slot of base station, thereby causes base station controller exactly Processing tasks to be managed and to distribute.
Base station controller can only judge from the base station resource information that receives whether the disposal ability of this base station changes, but can not know concrete which or which time slot generation problem, thereby cause the blindness of resource management, and then cause defectives such as the wasting of resources.Such as, some processors of base station break down, all should be unavailable by the time slot that it is handled.But base station controller can not be known time slot state, send task also can for those unavailable time slot allocation, base station controller has only etc. by the time after the base station returned failed message, just can carry out the transmission of task again again on other time slots, cause the overhead of signaling thus.And, when if base station controller is reserved those time slots in advance for the professional use of certain significant data, base station controller can not know that those time slot states are at down state, and reservation policy is made corresponding adjustment, and cause resource utilization to descend thus, be that data service is used such as the some time slot reservation, when this time slot become unavailable after, if whole resource is not distributed again, the result can cause reserving diminishing of ratio for data service in the system, thereby influences whole resource utilization.In addition, if this time slot is to be used to carry important channel (as broadcast channel), if the unavailable meeting of this time slot causes the disabled serious consequence in whole sub-district, and the present treating method that does not have at this kind fault.
Summary of the invention
The object of the present invention is to provide the management method of a kind of base station controller to base station resource, to solve in the prior art because base station controller can't be known the state of each time slot of base station, thereby cause base station controller accurately to manage, and then cause technical problems such as the wasting of resources the base station.
For addressing the above problem, the invention provides the management method of a kind of base station controller to base station resource, comprise: (1) described base station sends resource capability information to described base station controller, described resource capability information comprises the state of the time slot that handle this base station, and described state comprises down state and upstate; (2) described base station controller obtains the state of each time slot from the described resource capability information that receives; (3) described base station controller obtains the disposal ability of this base station from described base station resource ability information, and judge that whether described base station disposal ability is more than or equal to the threshold value that sets in advance, if, allocation process task on the time slot of described upstate then, otherwise close the base station.
Base station described in the step (1) sends resource capability information to described base station controller and comprises: the base station sends all time slot states of handling this base station in a subframe to described base station controller; Or the gap information that changes of all states of in described base station controller is sent in a subframe, handling of base station.
The resource capability information of this base station is carried by resource status Indication message/verification response message in the base station in the step (1).
And, described resource status Indication message/verification response message is by setting up time slot tabulation " TimeSlot Information ", comprises each timeslot number " Time Slot " at least in the described time slot tabulation and corresponding time slot state " Resource Operational State " is realized.
The practical state " Availability Status " that also comprises each timeslot number correspondence in the described time slot tabulation, described practical state comprises upstate, complete down state, part down state and debugging mode in order to the residing state of the described timeslot number of more accurate explanation.
When described base station disposal ability during more than or equal to the threshold value that sets in advance, base station controller is further allocation process task on the time slot of described part down state also in the step (3).
Step (2) also comprises: when base station disposal ability during more than or equal to the threshold value that sets in advance, reserve when comprising the down state time slot in the time slot if base station controller detects, then base station controller is reserved again, and making described reservation time slot is the upstate time slot.
Step (1) also comprises: when the base station changes at time slot state, adjust the corresponding relation of base station processor and time slot earlier according to the significance level of described time slot, change the state of the time slot through adjusting then.
Compared with prior art, the present invention has the following advantages: the present invention is provided with time slot state information in the base station in the resource reporting resource that base station controller sends, report time slot state,, and carry out corresponding resource management action in view of the above so that base station controller obtains each time slot state.Base station controller is according to knowing that the state of each time slot issues the new Processing tasks of each time slot, and the time slot of avoiding returning down state issues Processing tasks, improves processing speed thus, and then improves the efficiency of management.Simultaneously, also avoided having only in the prior art etc. by the time after the base station returned failed message, base station controller just can carry out the transmission of task again again on other time slots, avoided the overhead of signaling thus.Base station controller can be adjusted resource allocation policy according to the up-to-date information of time slot state, makes the level of resources utilization reach best.
Description of drawings
Fig. 1 is the network topology figure of base station sub-system in the wireless communication system.
Fig. 2 is the management flow chart of prior art base station controller to the management method of base station resource.
Fig. 3 uses the management process schematic diagram of the present invention's base station controller to base station resource.
Embodiment
Below in conjunction with accompanying drawing, specify the present invention.
In time division duplex (TDD) wireless communication system, base station controller is to be the work of control base station, basis with the time slot.For this reason, the present invention sets up time slot state information in the base station in the resource reporting information that base station controller sends, in order to time slot state,, and carry out corresponding Processing tasks batch operation in view of the above so that base station controller obtains each time slot state of base station to the base station controller reporting base station.
See also Fig. 3, it is to use the management process schematic diagram of the present invention's base station controller to base station resource.It comprises:
S210: the base station sends resource capability information to base station controller, contains the state that each time slot is handled in this base station in the wherein said resource capability information, and described state comprises upstate and down state at least.
In the applied environment of reality, each time slot state that handle above-mentioned base station, can be according to concrete situation, promptly can send all time slot states of in a subframe, handling this base station, also can send the gap information that all states of handling this base station change in a subframe to base station controller to base station controller.
These time slot states when initiatively reporting the base station controller resource capability information in the base station, can carry by resource status Indication message (RESOURCE STATUS INDICATION).When the base station controller down distributing resource is verified order, then carry by verifying response message (AUDIT RESPONSE).Described verification response message is that response base station controller down distributing resource is verified order and sent to the message of base station controller.
S220: base station controller obtains the state of each time slot from the base station resource ability information that receives, and the time slot of down state can be set at and not activate.
S230: base station controller obtains this base station disposal ability from resource capability information, and whether judge the base station disposal ability more than or equal to pre-set threshold, if, allocation process task on the time slot of upstate then, and the processing that degrades, otherwise close the base station.
Still the example with background technology is an example, and each time slot Channel Processing ability is 16, and base station maximum in a wireless sub-frame can be handled six descending time slots or six ascending time slots of maximum processing.Under the situation that each ascending time slot all normally sends, total the downlink processing ability be exactly 96, total up disposal ability is 96.When one of them descending time slot breaks down, then the downlink processing ability drop is 80, and when two ascending time slots break down, then up disposal ability drops to 64.Base station controller can obtain this base station disposal ability from the resource capability information that the base station reports: the downlink processing ability drop is 80, up disposal ability drops to 64, above-mentioned base station disposal ability and pre-set threshold are compared, suppose that the pre-set threshold scope is 64 for the up channel disposal ability, the down channel disposal ability is 80, then base station controller allocation process task on the time slot of upstate, and the processing that degrades.
If the base station sends the time slot state that handle this base station to base station controller, resource status Indication message/verification response message is set up time slot tabulation " Time Slot Information ", comprises each timeslot number " Time Slot " and corresponding time slot state " Resource Operational State " (seeing also table 1) in the described time slot tabulation.Timeslot number (Time Slot) and time slot state (Resource Operational State) are in order to point out each timeslot number of this sub-district and time slot corresponding state thereof.Time slot state comprises two kinds of " Disabled " (down states) and " Enable " (upstate).If the base station is when gap information that described base station controller transmit status changes, " Time Slot " can be the timeslot number that all transmit statuss change.
Table 1
| IE/Group Name | Presence | Range | IE Type and Reference | Semantics Description | Criticality | Assigned Criticality |
| … | ||||||
| Cell Information | 0..<maxCe llinNodeB> | EACH | ignore | |||
| ＞C-ID | M | 9.2.1.9 | - | … | ||
| … | ||||||
| ＞＞Time slot information | M | 0..7 | - | |||
| ＞＞＞Time slot | M | 9.2.1.52 | ||||
| ＞＞＞Resource Operational State | M | 9.2.1.52 | - | |||
| … | ||||||
Base station controller is after obtaining the resource state information of base station, if certain time slot is the Disabled state, this time slot of base station controller is set to not state of activation.Base station controller is judged described base station disposal ability whether in the threshold value that sets in advance, and just base station controller judges whether base station resource disposal ability decline degree is tolerance interval.Degree is unacceptable if base station controller is judged base station resource disposal ability decline, can close this base station, and changes new base station at once and carry out Processing tasks and redistribute.Decline is in the degree (more than or equal to pre-set threshold) that can receive if base station controller is thought the base station resource disposal ability, to the base station use that degrades, simultaneously adjust the Task Distribution strategy accordingly, on the time slot of Disabled state, do not carry out new task and distribute according to existing time slot state.Reserve different resources such as base station controller and be used for data service, speech business, switching etc., these resource reservation all will be reserved according to time slot, after base station controller obtains information that the state of time slot changes, readjust resource reservation policy.
When the time slot of some down state is used to carry important channel (as broadcast channel), can cause the disabled serious consequence in whole sub-district.For avoiding this situation, a kind of optimisation strategy can be taked in the base station, avoids this kind serious consequence.Such as, when the base station changes at time slot state, can the state of time slot be adjusted according to the significance level of time slot.If certain time slot A state becomes Disabled, the base station can change the corresponding relation of processor and time slot, selects a unessential time slot B, handles time slot A by the processor of handling time slot B, state with time slot B is changed to Disabled simultaneously, and time slot A keeps the state of Enabled.Like this, the corresponding relation of time slot and processor is adjusted earlier in the base station, and then carries out resource reporting, can avoid causing owing to certain time slot is unavailable the disabled serious consequence in whole sub-district.
In order to allow base station controller carry out resource management more accurately, report in this base station resource information in the base station to comprise resource information more accurately.Such as, when comprising time slot state in the base station resource ability information, in the time slot tabulation of resource status Indication message/verification response message, also set up the practical state " Availability Status " of each timeslot number correspondence, described practical state comprises upstate, complete down state, part down state and debugging mode (seeing also table 2) at least in order to the residing state of the described timeslot number of more accurate explanation.If the base station is when gap information that described base station controller transmit status changes, practical state " Availability Status " can be the practical state of the time slot correspondence that changes of state.
Table 2
| IE/Group Name | Presence | Range | IE Type and Reference | Semantics Description | Criticality | Assigned Criticality |
| … | ||||||
| Cell Information | 0..<maxCe llinNodeB> | EACH | ignore | |||
| ＞C-ID | M | 9.2.1.9 | - | … | ||
| … | ||||||
| ＞＞Time slot information | M | 0..7 | - | |||
| ＞＞＞Time slot | M | 9.2.1.52 | ||||
| ＞＞＞Resource Operational State | M | 9.2.1.52 | - | |||
| ＞＞＞Availability Status | M | 9.2.1.2 | ||||
| … | ||||||
Such as the practical state " AvailabilityStatus " that in the time slot tabulation, also comprises each timeslot number correspondence, described practical state comprises complete down state, part down state and debugging mode at least in order to the residing state of the described timeslot number of more accurate explanation.
If time slot state is for unavailable fully, then base station controller can think that the disposal ability of base station reduces, and judges according to the ability that descends to degrade use or change the base station.When base station controller receives time slot state is debugging mode, show that then this time slot is for debugging cause temporarily unavailable, and base station controller can think that the base station disposal ability can recover after a while, base station controller is thought and be there is no need to change the base station thus, temporary transient allocating task on disabled time slot not just, wait for the base station disposal ability recover after normal allocation process task on time slot again.When base station controller receives the time slot attitude when being the part down state, base station controller thinks that the base station is that ability reduces, and this time slot can be used, but can not use fully, can carry out the Task Distribution of part on this time slot.
More than disclosed only be several specific embodiment of the present invention, but the present invention is not limited thereto, those skilled in the art can think variation all should fall within the scope of protection of the present invention.
Claims (8)
1, a kind of base station controller is characterized in that the management method of base station resource, comprising:
(1) described base station sends resource capability information to described base station controller, and described resource capability information comprises the state of the time slot that handle this base station, and described state comprises down state and upstate;
(2) described base station controller obtains the state of each time slot from the described resource capability information that receives;
(3) described base station controller obtains the disposal ability of this base station from described base station resource ability information, and judge that whether described base station disposal ability is more than or equal to the threshold value that sets in advance, if, allocation process task on the time slot of described upstate then, otherwise close the base station.
2, base station controller as claimed in claim 1 is to the management method of base station resource, it is characterized in that base station described in the step (1) sends resource capability information to described base station controller and comprises: the base station sends all time slot states of handling this base station in a subframe to described base station controller; Or the gap information that changes of all states of in described base station controller is sent in a subframe, handling of base station.
3, base station controller as claimed in claim 1 or 2 is characterized in that the management method of base station resource, and the resource capability information of this base station is carried by resource status Indication message/verification response message in the base station in the step (1).
4, base station controller as claimed in claim 3 is to the management method of base station resource, it is characterized in that: described resource status Indication message/verification response message is by setting up time slot tabulation " Time SlotInformation ", comprises each timeslot number " Time Slot " at least in the described time slot tabulation and corresponding time slot state " Resource Operational State " is realized.
5, base station controller as claimed in claim 4 is to the management method of base station resource, it is characterized in that, the practical state " Availability Status " that also comprises each timeslot number correspondence in the described time slot tabulation, described practical state comprises upstate, complete down state, part down state and debugging mode in order to the residing state of the described timeslot number of more accurate explanation.
6, base station controller as claimed in claim 5 is to the management method of base station resource, it is characterized in that, when described base station disposal ability during more than or equal to the threshold value that sets in advance, base station controller is allocation process task on the time slot of described part down state further in the step (3).
7, base station controller as claimed in claim 1 is to the management method of base station resource, it is characterized in that, step (3) also comprises: when base station disposal ability during more than or equal to the threshold value that sets in advance, if detecting, base station controller reserves when comprising the down state time slot in the time slot, then base station controller is reserved again, and making described reservation time slot is the upstate time slot.
8, base station controller as claimed in claim 1 is characterized in that the management method of base station resource, and step (1) also comprises:
When the base station changes at time slot state, adjust the corresponding relation of base station processor and time slot earlier according to the significance level of described time slot, change the state of time slot then through adjusting.
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| CNB2004100888832A CN100340127C (en) | 2004-11-08 | 2004-11-08 | Method for managing base station resource by base station controller |
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| CNB2004100888832A CN100340127C (en) | 2004-11-08 | 2004-11-08 | Method for managing base station resource by base station controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101193401B (en) * | 2006-11-22 | 2010-09-01 | 中兴通讯股份有限公司 | A method for processing high-speed downlink packet access resource exception based on audit |
| CN101193417B (en) * | 2006-11-24 | 2011-04-20 | 中兴通讯股份有限公司 | A method for wireless network controller to use non-continuous receiving feature |
| CN101873475B (en) * | 2010-01-07 | 2012-09-05 | 杭州海康威视数字技术股份有限公司 | Control command sending method, data transmission method, monitoring system and device |
| CN102223684B (en) * | 2010-04-19 | 2014-03-05 | 中国移动通信集团设计院有限公司 | Time slot resource distribution method and device |
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| US20020015393A1 (en) * | 2000-07-27 | 2002-02-07 | Interdigital Technology Corporation | Adaptive uplink/downlink timeslot assignment in a hybrid wireless time division multiple access/code division multiple access communication system |
| US20020119784A1 (en) * | 2001-02-23 | 2002-08-29 | Evolium S.A.S. | Method of managing processing resources in a mobile radio system |
| CN2566540Y (en) * | 2001-08-10 | 2003-08-13 | 交互数字技术公司 | Dynamic link adapter for time-division synchronous CDMA basic station |
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Patent Citations (3)
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|---|---|---|---|---|
| US20020015393A1 (en) * | 2000-07-27 | 2002-02-07 | Interdigital Technology Corporation | Adaptive uplink/downlink timeslot assignment in a hybrid wireless time division multiple access/code division multiple access communication system |
| US20020119784A1 (en) * | 2001-02-23 | 2002-08-29 | Evolium S.A.S. | Method of managing processing resources in a mobile radio system |
| CN2566540Y (en) * | 2001-08-10 | 2003-08-13 | 交互数字技术公司 | Dynamic link adapter for time-division synchronous CDMA basic station |
Non-Patent Citations (1)
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| 3GPP TS 25.433 V6.3.0 Technical Specification:UTRAN Iub interface NBAP signalling 3GPP Organizational Partners,全文,3GPP Organizational Partners 2004 * |
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