CN101547475A - Method for switching cell load information and base station equipment - Google Patents
Method for switching cell load information and base station equipment Download PDFInfo
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- CN101547475A CN101547475A CN200810066192A CN200810066192A CN101547475A CN 101547475 A CN101547475 A CN 101547475A CN 200810066192 A CN200810066192 A CN 200810066192A CN 200810066192 A CN200810066192 A CN 200810066192A CN 101547475 A CN101547475 A CN 101547475A
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Abstract
The invention relates to the technical field of communication, and discloses a method for switching cell load information. The method comprises that: a first evolution base station eNB transmits load information to other eNB, and the load information contains number of active UE and/or load number. The invention also discloses base station equipment. According to the technical proposal provided by the detailed execution mode of the invention, the eNB transmits the load information to the adjacent eNB, the load information contains the number of active UE and/or the load number, and the base station which receives the load information can accurately determine the load condition in the opposite eNB according to the number of active state UE and/or the load number in the opposite eNB, thereby ensuring that switching threshold can be optimized and switching determination can be carried out smoothly.
Description
Technical field
The present invention relates to wireless communication technology field, particularly a kind of switching method of cell load information and base station equipment.
Background technology
In order to tackle the future network competition, 3GPP has proposed a kind of brand-new evolution network framework to satisfy following mobile network's application demand, comprise System Architecture Evolution (System Architecture Evolved, SAE) and the Long Term Evolution of Access Network (Long Term Evolution, LTE), wherein the Access Network of evolution is called as universal mobile telecommunications system land radio access web (the Evolved UMTS Territorial RadioAccess Network of evolution, E-UTRAN), the target of network evolution is to be desirable to provide a kind of low time delay, high data rate, high power system capacity, the high covering, low-cost, complete IP-based network.With reference to Fig. 1, be the E-UTRAN schematic network structure, mobile management entity (Mobility Management Entity, MME) with base station (the evolved NodeB of evolution, eNB) between S1-MME interface, interface between service system architecture evolution gateway (Serving SAE Gateway, Serving SAE GW) and the eNB is a S1-U interface, and the interface between the eNB is an X2 interface.
In the LTE communication system, in order to optimize handoff threshold value and switch decision, introduced the load exchanging mechanism between abutting subdistrict, reach in E-UTRAN in abutting connection with passing through X2 interface between the eNB, by the mutual load information of sub-district separately of X2-AP means of signaling.
The inventor finds in realizing process of the present invention, when in whole communication system, the user of a small amount of activation in sub-district is by file transfer protocol (FTP) (File Transfer Protocol, FTP) downloading service takies most Physical Resource Block (Physical Resource Block of sub-district for a long time, PRB) during resource, cause the PRB utilization rate very high, but actually, because the user who activates in this sub-district is also few, by " doing one's best " (Best Effort such as FTP downloads, BE) the PRB resource that takies of business can be by RRM (the Radio Resource Management of eNB, RRM) module dynamic dispatching or seize, and distribute to other professional use, therefore, wait the actual loading of the sub-district that the BE business causes not weigh by FTP download, thereby cause pseudo-load.And in the prior art, overload that can't distinguishing cell is actual overload or pseudo-overload, and this will influence the normal switch decision in abutting connection with eNB.
Summary of the invention
The specific embodiment of the invention provides the switching method and the base station equipment of cell load information, so that correctly distinguish the loading condition in the abutting subdistrict.
The specific embodiment of the invention provides a kind of switching method of cell load information, comprising: first evolution base station eNB sends load information to other eNB, comprises activated state user equipment (UE) number and/or carrying number in this load information.
The specific embodiment of the invention also provides a kind of switching method of cell load information, comprising: the 2nd eNB receives the load information that other eNB sends, and comprises activated state UE number and/or carrying number in this load information.
The specific embodiment of the invention provides a kind of base station equipment, comprises transmitting element, is used for sending load message to other base station, comprises activated state UE number and/or carrying number in the described load message.
The specific embodiment of the invention also provides another kind of base station equipment, comprises receiving element, is used to receive the load message that other base station equipment sends, and comprises activated state UE number and/or carrying number in described other base station in the described load message.
The technical scheme that provides according to the specific embodiment of the invention, eNB sends load information to adjacency eNB, in load information, comprise activated state UE number and/or carrying number, the base station that receives load information can be according to activated state UE number among the other side eNB and/or carrying number, judge the loading condition among the other side eNB exactly, thereby guarantee that handoff threshold is optimized and the carrying out smoothly of switch decision.
Description of drawings
Fig. 1 is an E-UTRAN network structure in the prior art;
Fig. 2 is the flow chart of a kind of switching method of cell load information in the first embodiment of the invention;
Fig. 3 is a load information interaction schematic diagram in the first embodiment of the invention;
Fig. 4 is the structural representation of a kind of base station equipment in the third embodiment of the invention;
Fig. 5 is the structural representation of a kind of base station equipment in the four embodiment of the invention.
Embodiment
In order to make concrete technical scheme of the present invention, goal of the invention clearer, be described further below in conjunction with concrete execution mode and accompanying drawing.
With reference to Fig. 2, introduce first embodiment of the invention, about a kind of switching method of cell load information, this method comprises:
Step 101: determine activated state among the eNB (Active State) subscriber equipment (User Equipment, number UE) and/or activated state carrying number.
ENB is each context (Context) that is in the UE establishment of activated state and has preserved a UE in the sub-district, the context of this UE has been stored activated state UE and has been carried out professional necessary parameter and configuration information, the bearing identification that access restricted information, the UE of ability information, UE is activated as UE or service quality (the Quality of Service of carrying, QoS) parameter etc., by the above-mentioned relation between carrying and UE context and UE, eNB just can count the number that is in activated state UE.
For example, (QoS Class Indicator, value QCI) has been represented the demand of the QoS of a class business in each quality of service class indication.
| Name of QCICharacteristic (QCI feature title) | Packet Delay Budget (Packet Delay Budget) | Packet Loss Rate (loss rate) | Example Services (srvice instance) |
| 1(GBR) | <50ms | High(e.g.10-1) | Realtime?Gaming |
| 2(GBR) | 50ms(80ms) | Medium(e.g.10-2) | VoIP |
| 3(GBR) | 90ms | Medium(e.g.10-2) | Conversational?PacketSwitched?Video |
| 4(GBR) | 250ms | Low(e.g.10-3) | Streaming |
| 5(non-GBR) | Low(～50ms) | e.g.10-6 | IMS?signalling |
| 6(non-GBR) | Low(～50ms) | e.g.10-3 | Interactive?Gaming |
| 7(non-GBR) | Medium(～250ms) | e.g.10-4 | TCP?interactive |
| 8(non-GBR) | Medium(～250ms) | e.g.10-6 | Preferred?TCP?bulk?data |
| 9(non-GBR) | High(～500ms) | n.a. | Best?effort?TCP?bulk?data |
Table 1
As shown in table 1, in present LTE system, defined 9 class business, the QCI value is 1 to 9, each concrete business all will be mapped on certain QCI through the LTE system transmissions time, guarantees and control to show the concrete QoS of this business.As can be seen from Table 1, the carrying of QCI value 1 to 4 all is the business of GBR (Guarantee Bit Rate guarantees bit rate) type, and the carrying of QCI value 5 to 9 is the business of right and wrong GBR type all.Therefore, the number of activated state UE can be determined according to following situation under the miscellaneous service:
(1) data of GBR (real time traffic) activation of service attitude UE can be determined according to the contextual number of the pairing UE of the carrying of QCI=1～4;
(2) number of non-GBR (non real time traffic) activation of service attitude UE can be determined according to the pairing UE context of the carrying of QCI=5～9 number;
(3) QCI equal respectively 1～9 activated state UE number can according to the carrying of QCI=1～9 respectively the contextual number of pairing UE determine;
(4) total number of activated state UE then can be determined according to UE context number.
The carrying number can comprise: the carrying number of GBR business, the carrying number of non-GBR business, QCI equal the carrying total number of activation in 1～9 carrying number or the sub-district respectively.
Step 102: activated state UE number and/or the carrying number determined are sent in abutting connection with eNB.
In the present embodiment, eNB can be by Event triggered mode or initiation mode etc. periodically, the number of the activated state UE that determines to obtain is carried in the load information (LOAD INFORMATION), and sends in abutting connection with eNB by X2 interface, as shown in Figure 3.The number of the activated state UE that is sent can equal 1～9 activated state UE number respectively for GBR activation of service attitude UE number, non-GBR activation of service attitude UE number, QCI, or one or more numbers in the total number of activated state UE.One or more numbers in the carrying total number that the carrying number that is sent can equal respectively for carrying number, the QCI of the carrying number of GBR business, non-GBR business to activate in 1～9 carrying number or the sub-district.
Introduce second embodiment of the invention below, the switching method about a kind of cell load information comprises:
Step 201:eNB receives the load information that other eNB sends.
The number and/or the carrying number that have comprised the activated state UE that other eNB determines in the load information that other eNB that eNB receives sends, the number of received activated state UE can equal 1～9 activated state UE number respectively for GBR activation of service attitude UE number, non-GBR activation of service attitude UE number, QCI, or one or more numbers in the total number of activated state UE.One or more numbers in the carrying total number that received carrying number can equal respectively for carrying number, the QCI of the carrying number of GBR business, non-GBR business to activate in 1～9 carrying number or the sub-district.
Step 202: determine the loading condition of described other eNB according to described activated state UE number and/or carrying number.
After eNB receives the load information of the other side eNB transmission, can be according to number and/or the carrying number of activated state UE, and the PRB utilization rate among the other side eNB, the comprehensive loading condition of judging in abutting connection with the eNB sub-district, as utilize wireless resource management algorithm (Radio Resource Management, RRM) algorithm synthesis is judged the loading condition in abutting connection with the eNB sub-district, to confirm that the load among the adjacent eNB is pseudo-load or actual loading.
The method that the cell load information that provides by the specific embodiment of the invention exchanges, can be so that eNB only relies on the PRB utilization rate to judge loading condition in abutting connection with eNB, but by determining to activated state UE number and/or carrying number, distinguish because a small amount of activated state UE introduces the situation of a large amount of pseudo-loads by BE such as FTP download business, further, neighbor cell is judged loading condition in abutting connection with eNB by comprehensive activated state UE number and/or carrying number in eNB, when this sub-district of decision switches to the handoff threshold value of other sub-district and switch decision, loading condition by considering abutting subdistrict is as input parameter, reach the purpose of influence or adjustment handoff threshold value and switch decision, from whole LTE Access Network, this present embodiment helps realizing intra-cell load balancing, makes switch decision between the eNB, handoff threshold is further optimized.
With reference to Fig. 4, introduce third embodiment of the invention below, about a kind of base station equipment 400, this base station equipment 400 comprises transmitting element 4001, be used for sending load message, comprise activated state UE number and/or carrying number in the described load message to other base station equipment.Base station equipment 400 can send load information by X2 interface to other base station equipment in modes such as Event triggered or periodicity initiations.
With reference to Fig. 5, introduce four embodiment of the invention, about a kind of base station equipment 500, this base station equipment 500 comprises receiving element 5001, be used to receive the load message that other base station equipment sends, comprise activated state UE number and/or carrying number in described other base station in the described load message.
The scheme that provides according to present embodiment, base station equipment 500 can receive the load message that other base station sends, according to activated state UE number that comprises in the load message and/or carrying number, and according to activated state UE number and/or carrying number, and the PRB utilization rate in the neighbor cell is determined the loading condition in the neighbor cell, when this sub-district of decision switches to the handoff threshold value of other sub-district and switch decision, loading condition by considering abutting subdistrict is as input parameter, reach the purpose of influence or adjustment handoff threshold value and switch decision, from whole LTE Access Network, this present embodiment helps realizing intra-cell load balancing, makes switch decision between the eNB, handoff threshold is further optimized.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of each execution mode of the present invention.
Though pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (10)
1, a kind of switching method of cell load information is characterized in that, comprising:
First evolution base station eNB sends load information to other eNB, comprises activated state user equipment (UE) number and/or carrying number in this load information.
2, method according to claim 1 is characterized in that, a described eNB determined activated state UE number and/or carrying number before sending load information.
3, method according to claim 1 and 2, it is characterized in that, described activated state UE number be in the following number any one or multiple: guarantee that bit rate GBR activation of service attitude UE number, non-GBR activation of service attitude UE number, quality of service class indication QCI are respectively 1 to 9 activated state UE number and the total number of activated state UE;
Described carrying number be in the following number any one or multiple: the carrying number of GBR business, the carrying number of non-GBR business, QCI are respectively the carrying total number that activates in 1 to 9 carrying number or the sub-district.
4, a kind of switching method of cell load information is characterized in that, comprising:
The 2nd eNB receives the load information that other eNB sends, and comprises activated state UE number and/or carrying number in this load information.
5, method according to claim 4 is characterized in that, described the 2nd eNB determines the loading condition of described other eNB according to described activated state UE number and/or carrying number.
6, a kind of base station equipment is characterized in that, comprises transmitting element, is used for sending load message to other base station equipment, comprises activated state UE number and/or carrying number in the described load message.
7, base station equipment according to claim 6 is characterized in that, also comprises determining unit, is used for determining activated state UE number and/or carrying number, and sends to described transmitting element.
8, according to claim 6 or 7 described methods, it is characterized in that, described activated state UE number be in the following number any one or multiple: GBR activation of service attitude UE number, non-GBR activation of service attitude UE number, QCI are respectively 1 to 9 activated state UE number and the total number of activated state UE; Described carrying number be in the following number any one or multiple: the carrying number of GBR business, the carrying number of non-GBR business, QCI are respectively the carrying total number that activates in 1 to 9 carrying number or the sub-district.
9, a kind of base station equipment is characterized in that, comprises receiving element, is used to receive the load message that other base station equipment sends, and comprises activated state UE number and/or carrying number in described other base station in the described load message.
10, base station equipment according to claim 8 is characterized in that, also comprises judging unit, is used for the activated state UE number that receives according to described receiving element and/or carries number, judges the loading condition of described other base station.
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Cited By (13)
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| CN102143528A (en) * | 2010-01-28 | 2011-08-03 | 电信科学技术研究院 | Method, system and equipment for load control of base station |
| WO2012000279A1 (en) * | 2010-06-30 | 2012-01-05 | 中兴通讯股份有限公司 | Cell load processing method and base station |
| WO2012003629A1 (en) * | 2010-07-06 | 2012-01-12 | 中兴通讯股份有限公司 | Carrier aggregation ca information transferring method and apparatus among base stations |
| CN102572948A (en) * | 2010-12-23 | 2012-07-11 | 中兴通讯股份有限公司 | Method and device for optimizing load balancing |
| CN102625369A (en) * | 2012-03-16 | 2012-08-01 | 东南大学 | Load balancing optimization method for guaranteeing quality of service requirements of users of different levels in classified manner |
| CN102711260A (en) * | 2012-05-08 | 2012-10-03 | 中国联合网络通信集团有限公司 | QoS (quality of service) processing method, system and equipment for GBR (guaranteed bit rate) bearer service |
| CN103037439A (en) * | 2011-09-29 | 2013-04-10 | 华为技术有限公司 | Load balancing method and access network equipment |
| CN103916908A (en) * | 2013-01-04 | 2014-07-09 | 阿尔卡特朗讯 | Method and device for balancing load of serving cell |
| CN102143529B (en) * | 2010-01-29 | 2014-09-10 | 中国移动通信集团公司 | Load balancing method and equipment |
| CN104105135A (en) * | 2013-04-02 | 2014-10-15 | 电信科学技术研究院 | Mobile load balancing, air interface resource utilization rate counting method and device |
| CN105578605A (en) * | 2014-10-13 | 2016-05-11 | 中兴通讯股份有限公司 | Scheduling method and scheduling device for service quality classification identification (QCI) service |
| WO2017166289A1 (en) * | 2016-04-01 | 2017-10-05 | 富士通株式会社 | Message transmission device, method, and communication system |
| WO2019080655A1 (en) * | 2017-10-27 | 2019-05-02 | 维沃移动通信有限公司 | Radio resource management method and base station |
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| CN102143528A (en) * | 2010-01-28 | 2011-08-03 | 电信科学技术研究院 | Method, system and equipment for load control of base station |
| CN102143528B (en) * | 2010-01-28 | 2014-01-01 | 电信科学技术研究院 | Method, system and equipment for load control of base station |
| CN102143529B (en) * | 2010-01-29 | 2014-09-10 | 中国移动通信集团公司 | Load balancing method and equipment |
| WO2012000279A1 (en) * | 2010-06-30 | 2012-01-05 | 中兴通讯股份有限公司 | Cell load processing method and base station |
| CN102316524A (en) * | 2010-06-30 | 2012-01-11 | 中兴通讯股份有限公司 | Cell load processing method and base station |
| WO2012003629A1 (en) * | 2010-07-06 | 2012-01-12 | 中兴通讯股份有限公司 | Carrier aggregation ca information transferring method and apparatus among base stations |
| CN102572948A (en) * | 2010-12-23 | 2012-07-11 | 中兴通讯股份有限公司 | Method and device for optimizing load balancing |
| CN103037439B (en) * | 2011-09-29 | 2015-11-25 | 华为技术有限公司 | A kind of load-balancing method and access network equipment |
| CN103037439A (en) * | 2011-09-29 | 2013-04-10 | 华为技术有限公司 | Load balancing method and access network equipment |
| CN102625369B (en) * | 2012-03-16 | 2014-07-09 | 东南大学 | Load balancing optimization method for guaranteeing quality of service requirements of users of different levels in classified manner |
| CN102625369A (en) * | 2012-03-16 | 2012-08-01 | 东南大学 | Load balancing optimization method for guaranteeing quality of service requirements of users of different levels in classified manner |
| CN102711260A (en) * | 2012-05-08 | 2012-10-03 | 中国联合网络通信集团有限公司 | QoS (quality of service) processing method, system and equipment for GBR (guaranteed bit rate) bearer service |
| CN102711260B (en) * | 2012-05-08 | 2014-10-29 | 中国联合网络通信集团有限公司 | QoS (quality of service) processing method, system and equipment for GBR (guaranteed bit rate) bearer service |
| CN103916908A (en) * | 2013-01-04 | 2014-07-09 | 阿尔卡特朗讯 | Method and device for balancing load of serving cell |
| CN104105135A (en) * | 2013-04-02 | 2014-10-15 | 电信科学技术研究院 | Mobile load balancing, air interface resource utilization rate counting method and device |
| CN104105135B (en) * | 2013-04-02 | 2019-02-01 | 电信科学技术研究院 | A kind of mobility load balance, utilization rate of air interface resource statistical method and equipment |
| CN105578605A (en) * | 2014-10-13 | 2016-05-11 | 中兴通讯股份有限公司 | Scheduling method and scheduling device for service quality classification identification (QCI) service |
| WO2017166289A1 (en) * | 2016-04-01 | 2017-10-05 | 富士通株式会社 | Message transmission device, method, and communication system |
| WO2019080655A1 (en) * | 2017-10-27 | 2019-05-02 | 维沃移动通信有限公司 | Radio resource management method and base station |
| CN109729600A (en) * | 2017-10-27 | 2019-05-07 | 维沃移动通信有限公司 | A kind of management method of radio resource and base station |
| CN109729600B (en) * | 2017-10-27 | 2021-06-08 | 维沃移动通信有限公司 | Wireless resource management method and base station |
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