CN101772078A - Load control method and device - Google Patents
Load control method and device Download PDFInfo
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- CN101772078A CN101772078A CN200810247071A CN200810247071A CN101772078A CN 101772078 A CN101772078 A CN 101772078A CN 200810247071 A CN200810247071 A CN 200810247071A CN 200810247071 A CN200810247071 A CN 200810247071A CN 101772078 A CN101772078 A CN 101772078A
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Abstract
The invention discloses a load control method and a device, which are used for realizing the carrier load balancing of a carrier aggregation system, thereby avoiding the problem of excessively high carrier loads in the carrier aggregation system and improving the utilization rate of resources. The load control method provided by the invention comprises the following steps: carrying out load monitoring on member carriers in the carrier aggregation system, and obtaining the load monitoring result of the member carriers; and adjusting the loads of the member carriers according to the load monitoring result of the member carriers.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of load control method and device.
Background technology
In order to support wideer system bandwidth than Long Term Evolution (LTE) system, such as 100 megahertzes (MHz), advanced Long Term Evolution (LTE-A has been proposed in the prior art, LTE-Advanced) system, in the LTE-A system, with the resource of a plurality of LTE carrier waves (each LTE carrier wave can be called member carrier) couple together (being carrier aggregation) use, constitute carrier aggregation system, thereby realized supporting wideer system bandwidth, concrete carrier aggregation mode has two kinds: a kind of is with a plurality of continuous LTE carrier aggregation; Another kind is with a plurality of discontinuous LTE carrier aggregation.Fig. 1 shows the example with a plurality of discontinuous LTE carrier aggregation.
At present, require each carrier wave and LTE version 8 (Release 8) in the carrier aggregation system consistent as far as possible, thus the terminal of assurance LTE Release 8 can be on each member carrier operate as normal.But, for the LTE system, terminal can only be linked into a carrier wave in a plurality of LTE carrier waves of carrier aggregation system, if the terminal of LTE Release 8 is all by a fixing carriers carry, can cause the load too high on the single carrier wave so, thereby cause the resource anxiety, and the complexity of scheduling of resource is higher.
In sum, exist carrier load too high in the existing carrier aggregation system, the problem that resource utilization is relatively poor.
Summary of the invention
The embodiment of the invention provides a kind of load control method and device, in order to the carrier load balance of realization carrier aggregation system, thereby avoids the too high problem of the carrier load of problem in the carrier aggregation system, improves resource utilization.
A kind of load control method that the embodiment of the invention provides comprises:
Member carrier in the carrier aggregation system is carried out load monitoring, obtain the load monitoring result of member carrier;
According to the load monitoring result of described member carrier, adjust the load of member carrier.
A kind of load control device that the embodiment of the invention provides comprises:
Load monitoring unit is used for the member carrier of carrier aggregation system is carried out load monitoring, obtains the load monitoring result of member carrier;
The load adjustment unit is used for the load monitoring result according to described member carrier, adjusts the load of member carrier.
The embodiment of the invention obtains the load monitoring result of member carrier by the member carrier in the carrier aggregation system is carried out load monitoring; According to the load monitoring result of described member carrier, adjust the load of member carrier.Thereby realized the carrier load balance of carrier aggregation system, avoided the too high problem of the carrier load of problem in the carrier aggregation system, improved resource utilization.
Description of drawings
The schematic diagram of Fig. 1 in the prior art a plurality of discontinuous carrier waves being carried out polymerization;
The overall procedure schematic diagram of the load control method that Fig. 2 provides for the embodiment of the invention;
The loading condition schematic diagram of each member carrier during not carrying out load and adjust under the carrier aggregation system that Fig. 3 provides for the embodiment of the invention;
Carried out the loading condition schematic diagram of adjusted each member carrier of load under the carrier aggregation system that Fig. 4 provides for the embodiment of the invention;
Fig. 5 carries out the balancing procedure schematic diagram for what the embodiment of the invention provided to the carrier load in the carrier aggregation system;
The structural representation of the load control device that Fig. 6 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of load control method and device, in order to the carrier load balance of realization carrier aggregation system, thereby avoids the too high problem of the carrier load of problem in the carrier aggregation system, improves resource utilization.
The embodiment of the invention is considered the problem of LTE Release 8 compatibilities, and in conjunction with the characteristics of carrier aggregation system, both consider the expense/factors such as time-delay of user terminal (UE) power consumption and scheduling of resource simultaneously, provided a kind of carrier load balance technical scheme that is applicable in the carrier aggregation system.
The described carrier aggregation system of the embodiment of the invention can be a LTE-A system etc.
The so-called carrier load balance of the embodiment of the invention, can be understood as in carrier aggregation system, with the UE that carries on one or more member carriers, share equally on other member carriers, make that the load occupation proportion of each member carrier is suitable, thereby the phenomenon that the load of avoiding single member carrier is overweight improves resource utilization.
Below in conjunction with accompanying drawing the technical scheme that the embodiment of the invention provides is described.
Referring to Fig. 2, a kind of load control method that the embodiment of the invention provides totally comprises step:
S101, the member carrier in the carrier aggregation system is carried out real-time load monitoring, obtain the load monitoring result of member carrier.
S102, according to the load monitoring result of the member carrier in the carrier aggregation system, adjust the load of the member carrier in this carrier aggregation system.
Load control can be realized by the base station.The base station is to being measured and added up by the loading condition of the member carrier that UE caused that is in Radio Resource control (RRC, Radio Resource Control) connection status on each member carrier in the carrier aggregation system.Particularly, be in the number of the UE of RRC connection status, the type of service of UE and the resource that UE takies etc. on bandwidth that can be by measuring and add up each member carrier, each member carrier, obtain the load monitoring result of each member carrier.
The load monitoring result of member carrier can comprise the load occupation proportion of member carrier, and the load that each terminal takies on this member carrier etc.The load occupation proportion of so-called member carrier, i.e. the ratio of the total bandwidth of the shared total load of all terminal traffics of carrying on member's carrier wave and this member carrier.
For example: the business of an IP-based voice transfer (VoIP, Voice over IP) is compared with the business of a Streaming Media, and the VoIP business is little more than the load that streaming media service brings for the load that member carrier brings.
Again for example: for the bandwidth of a member carrier is that the bandwidth of a 20MHz and a member carrier is 5MHz, identical business and terminal, and the load occupation proportion that these two member carriers are caused is different.
The load monitoring result of member carrier has application widely, for example: the foundation that can be used as the intercarrier load-balancing algorithm; Can be used as system control information and broadcast, make UE when Cell searching, select suitable resident carrier wave; The load monitoring result of member carrier can be mapped as the attraction degree factor of this member carrier to UE, this attraction degree factor can be used as system control information and broadcasts, and makes UE select suitable resident carrier wave when Cell searching; After the UE random access procedure is finished, but be not attended by under the professional situation about taking place, can UE be carried out intercarrier switch according to the load monitoring result of member carrier.
Described step S102 is according to the load monitoring result of the member carrier in the carrier aggregation system, the operation of adjusting the load of the member carrier in this carrier aggregation system can be that initiatively carry out the base station, also can be after receiving the carrier wave handoff request of terminal, carry out according to the carrier wave handoff request of this terminal.
The concrete implementation of adjusting the load of member carrier can have multiple.
For example: according to the load occupation proportion of each member carrier in the carrier aggregation system, and the load that each terminal takies on this member carrier, according to the load occupation proportion difference threshold that sets in advance, adjust the load of the member carrier in the carrier aggregation system.Wherein, setting in advance the purpose of described load occupation proportion difference threshold, is in order to make the load occupation proportion of adjusted each member carrier of load suitable, to differ as far as possible little, to reach the load balancing of each member carrier.
Again for example: the load monitoring result and the load-threshold that sets in advance of member carrier are compared; Utilize comparative result to adjust the load of member carrier.Wherein, the different members carrier wave can corresponding different load-threshold, with the load monitoring result of member carrier and comparing with the corresponding load-threshold of this member carrier of setting in advance.Certainly, the different members carrier wave also can corresponding same load-threshold.
Preferably, when the load monitoring result of member's carrier wave surpasses the load-threshold that sets in advance, adjust the load of member carrier.
Preferably, when the load monitoring result of member's carrier wave surpasses the load-threshold that sets in advance, the business of the one or more terminals on this member carrier is switched on another member carrier.
And preferably, switch to the business of the one or more terminals on the member carrier on another member carrier after, according to the load seizure condition difference threshold that sets in advance, further adjust the load of the member carrier in the carrier aggregation system.Described load seizure condition difference threshold can be the difference threshold of the load occupation proportion of each member carrier, also can be the difference threshold of the load of each member carrier.
Wherein, employed thresholding in the step that the load monitoring result of member carrier and the load-threshold that sets in advance are compared can be according to the difference of the load monitoring result's of member carrier content, and the thresholding of different content is set.If the load monitoring result of member carrier comprises the load occupation proportion of member carrier, then corresponding thresholding can be set to load occupation proportion thresholding.If the load monitoring result of member carrier comprises the number of the user terminal that carries on the member carrier, then corresponding thresholding can be set to the number thresholding of user terminal.The thresholding of other guide can also have a lot, for example radio network temporary identifier (RNTI, Radio Network Temporary Identity) number or the like.
When the member carrier in the carrier aggregation system being carried out the load adjustment, the factor that needs to consider has a lot, for example: the type of the RNTI number of the load of each UE in the carrier aggregation system on each member carrier, UE, the business of UE, resource that each different kinds of business takies or the like illustrate below.
Suppose to have in the carrier aggregation system 4 member carriers, all member carriers have identical bandwidth, and the load-threshold of member carrier also is identical.Before load is adjusted the loading condition of each member carrier as shown in Figure 3, wherein UE1, UE2, UE3, UE4, UE5, UE6 are the loads that exists on member carrier separately, the load that each UE causes is different.UE7 enters the RRC state on member carrier 1.At this moment, at first,, determine that UE7 is the load state that member carrier 1 brings, and calculate the load of current each member carrier according to the state of affairs of UE7.As shown in Figure 3, original load of member carrier 1 and the load sum of UE7 are greater than the member carrier load-threshold, then trigger the load balancing operation between member carrier, if the load sum of original load of member carrier 1 and UE7 does not surpass the member carrier load-threshold, then UE7 can directly insert member carrier 1.
When the load balancing operation that has triggered between member carrier, adopt the water-filling algorithm of iteration, pay the utmost attention to load balancing,, select optimum member carrier as the purpose carrier wave that switches to the water-filling algorithm that carries out on each member carrier one by one that loads on of UE7 to the UE7 of new access.As can be seen from Figure 3, the load minimum that member carrier 2 is current, therefore, the purpose carrier wave of selecting member carrier 2 to switch as UE7.The loading condition of each member carrier after the switching as shown in Figure 4.
Further, after the member carrier that has switched the UE7 access, also can carry out member's intercarrier load balancing, make that the load occupation proportion of each member carrier is further average other UE that has existed.
Below the carrier wave handover mechanism that provides in the embodiment of the invention is described.
The base station is at the target member carrier of having determined terminal is switched to after need carrying out the terminal of member's intercarrier switching, and the base station sends to this terminal carries out the indication information that member's intercarrier switches.
Described indication information can send by the high level control signaling of RRC, switches on the target member carrier by the to be switched terminal of the mutual indication of high-level signaling.
The retardation ratio of the control signaling of layer 1 (L1)/layer 2 (L2) is less, therefore described indication information also can send by the control signaling of L1/L2, the to be switched terminal of control signaling indication by L1/L2 switches on the target member carrier, particularly, can be by the target member carrier of indication switching in sending to the descending control signaling of this terminal.For example: in the LTE system, can be by down link control information (DCI at packet data control channel (PDCCH), Downlink control information) increases the specific bit of the target member carrier be used to indicate switching in the indication, can stipulate if this specific bit is set to NULL, represent that then indicating terminal resides on the current member carrier, in the transmission of the enterprising industry affair of current carrier wave; Can also stipulate that terminal need switch on the target member carrier according to this specially indication of bit among the DCI so if specific bit in the DCI form is provided with the information of the target member carrier of switching.
Insert member carrier and the professional process that takes place below in conjunction with terminal, the embodiment of the invention is described.
Terminal in the process of Cell searching, from all member carriers of system at random/acquiescence member carrier of selection as main carrier; Perhaps according to the loading condition of the member carrier in the current broadcast message, perhaps the carrier wave attracting factor selects a member carrier as main carrier after taking all factors into consideration.Then, terminal resides on this main carrier, only monitors the information of main carrier.
When terminal is in idle condition, monitor control messages by main carrier, comprising system message, broadcast control message, beep-page message etc.The random access procedure of terminal etc. all is to carry out on main carrier.
After terminal enters the RRC connection status, if also there be not professional the generation, then can initiatively send the carrier wave handoff request according to loading condition according to the member carrier in the broadcast to the base station, i.e. request switches to another member carrier with current main carrier.After the carrier wave handoff request of terminal transmission was received in the base station, according to the load of current each member carrier, decision switched to terminal on the lightest member carrier of load.
After terminal entered the RRC connection status, if there is business (up and/or downlink business) to take place, base station side judged whether to carry out the load balancing operation of member's intercarrier, and if desired, then base station side is carried out the load balancing control procedure between member carrier.
For example, as shown in Figure 5, suppose that carrier aggregation system has only 3 member carriers, is respectively: member carrier 1, member carrier 2, member carrier 3.The terminal that is in free time (IDLE) state has 5, all resides on the member carrier 2.
Can adopt the load as member carrier of the number of terminals that is in the RRC connection status, certainly, corresponding load-threshold also is a terminal number, for example can be made as 3.
When terminal is in idle condition, only monitor the control information of main carrier.Member carrier 2 is main carriers of UE1, UE2, UE3, UE4 and UE5.
When UE1, UE2, UE3, UE4, UE5 entered the RRC connection status by main carrier, the load of member carrier 2 had surpassed load-threshold, triggered the load balancing control procedure between member carrier.
Load balancing control procedure between concrete member carrier comprises: according to the load state of each member carrier, the load-threshold of member carrier and the state of affairs of each terminal, optimize and need carry out terminal and the corresponding target member carrier that switches that carrier wave switches.Suppose that the terminal that optimizes is UE2 and UE4, corresponding target member carrier is a member carrier 1; The terminal that optimizes also has UE5, and corresponding target member carrier is a member carrier 3, and UE1 and UE3 still are retained on the member carrier 2.
By RRC high-level signaling or L1/L2 control signaling UE2 and UE4 are switched on the member carrier 1, UE5 is switched on the member carrier 3.
Further, the base station continues the loading condition of each member carrier is added up.
When UE6, UE7, UE8 entered the RRC connection status by member carrier 2, the number of the terminal on the member carrier 2 had surpassed the carrier load thresholding so, needed to trigger the load balancing control procedure between member carrier.Suppose that this process switches to terminal UE 3 and UE8 on the member carrier 3, UE1, UE6 and UE7 still are retained on the member carrier 2, and UE2 and UE4 still are retained on the member carrier 1.
When terminal when the RRC connection status is got back to idle condition, UE still resides in and withdraws from the RRC connection status member carrier before, at this moment the main carrier of UE1, UE6, UE7 is a member carrier 2, the main carrier of UE2, UE4 is a member carrier 1, and the main carrier of UE3, UE5, UE8 is a member carrier 3.
Introduce a kind of load control device that the embodiment of the invention provides below.
Referring to Fig. 6, a kind of load control device that the embodiment of the invention provides comprises:
Load monitoring unit 11 is used for the member carrier of carrier aggregation system is carried out load monitoring, obtains the load monitoring result of member carrier.
Load adjustment unit 12 is used for the load monitoring result according to member carrier, adjusts the load of member carrier.
Preferably, described load adjustment unit 12 comprises:
Comparing unit 121 is used for the load monitoring result of member carrier is compared with setting in advance with the corresponding load-threshold of this member carrier.
Adjustment unit 122 is used to utilize the comparative result of described comparing unit 121 to adjust the load of member carrier.
Preferably, described adjustment unit 122 when the load monitoring result of member's carrier wave surpasses the load-threshold that sets in advance, is adjusted the load of member carrier.
Preferably, described adjustment unit 122 when the load monitoring result of member's carrier wave surpasses the load-threshold that sets in advance, switches to the business of the one or more terminals on this member carrier on another member carrier.
Preferably, described adjustment unit 122 can pass through the high-rise control of RRC signaling, or the control signaling of layer 1, or the control signaling of layer 2, and the terminal that control need be carried out the carrier wave switching switches on the target member carrier of this terminal correspondence.
Preferably, described adjustment unit 122 comprises:
First adjustment unit 21 is used for when the load monitoring result of described member carrier surpasses the load-threshold that sets in advance, and the business of the one or more terminals on the described member carrier is switched on another member carrier, triggers second adjustment unit 22 then.
Second adjustment unit 22 after being used to receive the triggering of described first adjustment unit 21, according to the load seizure condition difference threshold that sets in advance, is adjusted the load of the member carrier in the carrier aggregation system.
Preferably, described load monitoring unit 11 comprises:
Load seizure condition determining unit 111 is used for each member carrier of carrier aggregation system, detects the load seizure condition of each terminal on the bandwidth of this member carrier and this member carrier, obtains the load seizure condition of this member carrier.
Wherein, described load seizure condition can be the load occupation proportion, also can be simple load or the like.
Load monitoring is determining unit 112 as a result, is used to utilize the load seizure condition of each member carrier, and the load seizure condition of each terminal generates the load monitoring result of this member carrier on this member carrier.
Described load adjustment unit 12, can also be according to the load seizure condition of each member carrier in the carrier aggregation system, and the load seizure condition of each terminal on this member carrier, according to the load seizure condition difference threshold that sets in advance, adjust the load of the member carrier in the carrier aggregation system.
Preferably, described device also comprises:
Radio unit 13 is used for the load monitoring result by system control information broadcasting member carrier.
Preferably, described device can also comprise:
Attraction degree factor determining unit 14 is used for the load monitoring result according to described member carrier, determines the attraction degree factor of this member carrier to terminal.
Radio unit 13 can also be used for broadcasting the described attraction degree factor by system control information.
Described load adjustment unit 12 can be according to the carrier wave handoff request of terminal, and the load monitoring result of member carrier in the described carrier aggregation system, and the business of described terminal is switched on the target member carrier.
The described load control device of the embodiment of the invention can be positioned at the base station.
In sum, the embodiment of the invention obtains the load monitoring result of member carrier by the member carrier in the carrier aggregation system is carried out load monitoring; According to the load monitoring result of member carrier, adjust the load of member carrier.Thereby realized the load adjustment of member carrier in the carrier aggregation system,, avoided the too high problem of the carrier load of problem in the carrier aggregation system, improved resource utilization to reach the effect of load balance of member carrier.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (21)
1. a load control method is characterized in that, this method comprises:
Member carrier in the carrier aggregation system is carried out load monitoring, obtain the load monitoring result of member carrier;
According to the load monitoring result of described member carrier, adjust the load of member carrier.
2. method according to claim 1 is characterized in that, according to the load monitoring result of described member carrier, the step of adjusting the load of member carrier comprises:
The load monitoring result of described member carrier is compared with the load-threshold that sets in advance;
Utilize described comparative result to adjust the load of the member carrier in the described carrier aggregation system.
3. method according to claim 2 is characterized in that, the step of utilizing described comparative result to adjust the load of the member carrier in the described carrier aggregation system comprises:
When the load monitoring result of described member carrier surpasses the load-threshold that sets in advance, adjust the load of described member carrier.
4. method according to claim 3 is characterized in that, adjusts after the load of described member carrier, and this method also comprises:
According to the load seizure condition difference threshold that sets in advance, adjust the load of another member carrier in the described carrier aggregation system.
5. according to the described method of the arbitrary claim of claim 2 to 4, it is characterized in that, for each member carrier the load-threshold corresponding with it is set in advance.
6. method according to claim 1 is characterized in that, described member carrier in the carrier aggregation system is carried out load monitoring, and the step that obtains the load monitoring result of member carrier comprises:
To each member carrier in the described carrier aggregation system, detect the load that each terminal takies on the bandwidth of this member carrier and this member carrier, obtain the load occupation proportion of this member carrier;
Utilize the load occupation proportion of each member carrier, and the load that each terminal takies on this member carrier generates the load monitoring result of this member carrier.
7. method according to claim 6 is characterized in that, according to the load monitoring result of described member carrier, the step of adjusting the load of member carrier comprises:
According to the load occupation proportion of each member carrier in the described carrier aggregation system, and the load that each terminal takies on this member carrier, according to the load occupation proportion difference threshold that sets in advance, adjust the load of the member carrier in the described carrier aggregation system.
8. according to claim 2 or 7 described methods, it is characterized in that the step of adjusting the load of the member carrier in the described carrier aggregation system comprises:
By the high-rise control of radio resource control RRC signaling, or the control signaling of layer 1, or the control signaling of layer 2, the terminal that control need be carried out the carrier wave switching switches on the target member carrier.
9. method according to claim 1 is characterized in that, this method also comprises:
Broadcast the load monitoring result of described member carrier by system control information.
10. method according to claim 1 is characterized in that, this method also comprises:
According to the load monitoring result of described member carrier, determine the attraction degree factor of this member carrier to terminal;
Broadcast the described attraction degree factor by system control information.
11. method according to claim 1 is characterized in that, according to the load monitoring result of described member carrier, the step of adjusting the load of member carrier comprises:
Receive the carrier wave handoff request of self terminal;
According to described carrier wave handoff request, and the load monitoring result of member carrier in the described carrier aggregation system, the business of described terminal is switched to the target member carrier.
12. a load control device is characterized in that, described device comprises:
Load monitoring unit is used for the member carrier of carrier aggregation system is carried out load monitoring, obtains the load monitoring result of member carrier;
The load adjustment unit is used for the load monitoring result according to described member carrier, adjusts the load of member carrier.
13. device according to claim 12 is characterized in that, described load adjustment unit comprises:
Comparing unit is used for the load monitoring result of described member carrier is compared with setting in advance with the corresponding load-threshold of this member carrier;
Adjustment unit is used to utilize described comparative result to adjust the load of member carrier.
14. device according to claim 13 is characterized in that, described adjustment unit when the load monitoring result of described member carrier surpasses the load-threshold that sets in advance, is adjusted the load of member carrier.
15. device according to claim 14, it is characterized in that, described adjustment unit when the load monitoring result of described member carrier surpasses the load-threshold that sets in advance, switches to the business of the one or more terminals on the described member carrier on another member carrier.
16. device according to claim 15 is characterized in that, described adjustment unit comprises:
First adjustment unit is used for when the load monitoring result of described member carrier surpasses the load-threshold that sets in advance, and the business of the one or more terminals on the described member carrier is switched on another member carrier, triggers second adjustment unit then;
Second adjustment unit after being used to receive the triggering of described first adjustment unit, according to the load seizure condition difference threshold that sets in advance, is adjusted the load of another member carrier in the described carrier aggregation system.
17. device according to claim 12 is characterized in that, described load monitoring unit comprises:
Load seizure condition determining unit is used for each member carrier of described carrier aggregation system, detects the load seizure condition of each terminal on the bandwidth of this member carrier and this member carrier, obtains the load seizure condition of this member carrier;
Load monitoring is determining unit as a result, is used to utilize the load seizure condition of each member carrier, and the load seizure condition of each terminal generates the load monitoring result of this member carrier on this member carrier.
18. device according to claim 17, it is characterized in that, described load adjustment unit, load seizure condition according to each member carrier in the described carrier aggregation system, and the load seizure condition of each terminal on this member carrier, according to the load seizure condition difference threshold that sets in advance, adjust the load of the member carrier in the described carrier aggregation system.
19. device according to claim 12 is characterized in that, described device also comprises:
Radio unit is used for broadcasting by system control information the load monitoring result of described member carrier.
20. device according to claim 12 is characterized in that, described device also comprises:
Attraction degree factor determining unit is used for the load monitoring result according to described member carrier, determines the attraction degree factor of this member carrier to terminal;
Radio unit is used for broadcasting the described attraction degree factor by system control information.
21. device according to claim 12, it is characterized in that described load adjustment unit is according to the carrier wave handoff request of terminal, and the load monitoring result of member carrier in the described carrier aggregation system, the business of described terminal is switched on the target member carrier.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810247071A CN101772078A (en) | 2008-12-31 | 2008-12-31 | Load control method and device |
| PCT/CN2009/001510 WO2010069153A1 (en) | 2008-12-19 | 2009-12-18 | Resources and load controlling method, system, apparatus, base station and terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810247071A CN101772078A (en) | 2008-12-31 | 2008-12-31 | Load control method and device |
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| CN101772078A true CN101772078A (en) | 2010-07-07 |
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| CN200810247071A Pending CN101772078A (en) | 2008-12-19 | 2008-12-31 | Load control method and device |
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