CN102685796A - Method and system for transmitting and receiving control information, base station and terminal - Google Patents
Method and system for transmitting and receiving control information, base station and terminal Download PDFInfo
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- CN102685796A CN102685796A CN2011100549405A CN201110054940A CN102685796A CN 102685796 A CN102685796 A CN 102685796A CN 2011100549405 A CN2011100549405 A CN 2011100549405A CN 201110054940 A CN201110054940 A CN 201110054940A CN 102685796 A CN102685796 A CN 102685796A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/20—Interfaces between hierarchically similar devices between access points
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Abstract
The invention discloses a method and a system for transmitting and receiving control information, a base station and a terminal. The method and the system for transmitting and receiving the control information solve the problem that effectiveness and reliability of the control information which the UE (user equipment) receives from an interfered community by the prior art are poor. The system for transmitting and receiving the control information comprises a first base station, a terminal and a second base station, wherein the first base station is used for determining the control information to be transmitted to the terminal and transmitting the same to the second base station; and the second base station is used for receiving the control information transmitted from the first base station and transmitting the same to the terminal.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to a kind of transmission and method of reseptance, system and base station, terminal of control information.
Background technology
For realizing the requirement of high-speed data service, all consider in wireless communication system, to introduce one type of novel radio node like International Standards Organization such as 3GPP at present to performance in wireless communication systems.Than macro base station (Macro base station), the novel radio node (like the Pico base station) of this type has advantages such as transmitting power is lower.The introducing of these novel radio nodes makes the topological structure of the wireless communication system isomery more that becomes, and competes the brand-new interference environment of same wireless resource jointly thereby formed a polytype radio node.A concrete sketch map of this interference environment is as shown in Figure 1.Be represented by dotted lines between macrocell and the Pico sub-district among the figure, the interference between macrocell and the macrocell, between macrocell and the relay station, between macrocell and the Femto sub-district.
Based on environment as shown in Figure 1; When in this environment, adopting cell range expansion (CRE; Cell RangeExpansion) after the technology; The terminal (UE, User Equipment) that is in Pico base station signal cell covered (hereinafter to be referred as the Pico sub-district) edge can receive Macro base station (macro base station) than strong jamming.
Under above-mentioned interference scene, 3GPP proposes to avoid presence of intercell interference through the technology of coordinating time-domain resource.Particularly, this technology is that the part subframe with the interference source sub-district is made as near-space subframe (ABS, AlmostBlank Subframe), and makes the UE that receives interfered cell only to receive serious interference at these subframe schedulings.Owing to only send common pilot signal and synchronous, broadcasting (Master Information Block (MIB among the ABS; Master InformationBlock) information and system information block (SIB; System Information Block) a small amount of control such as SIB1 information, paging and data message, thereby can significantly reduce the suffered interference of UE that receives in the interfered cell.A simple time domain interference coordination example is as shown in Figure 2.In Fig. 2, suppose that Macro base station signal cell covered (hereinafter to be referred as the Macro sub-district) is the interference source sub-district, the ABS of its setting is shown in the figure below.And the Pico sub-district is for receiving interfered cell, and its subframe that is used to dispatch the UE that receives serious interference corresponds respectively to each ABS that the Macro base station is provided with.
Realize the above-mentioned time domain interference coordination scheme that prior art provides, the Macro base station must confirm which subframe is made as ABS, and through signaling UE.Because the amount of information of Macro base station notice UE is limited, so the Macro base station also must be provided with an ABS cycle, and at each ABS identical subframe to be set in the cycle be ABS.This pattern that ABS and ABS cycle are set is called abs mode (ABS pattern).Based on this pattern, the Macro base station only need notify its ABS pattern of UE to get final product.In addition, the sequential requirement of ascending HARQ also must be considered to satisfy in the Macro base station when ABS pattern is set.This is because LTE is technological at up employing synchronous HARQ, i.e. the ACK/NACK of data feedback and re-transmission fixed with respect to the initial transmission position in time of data.
The defective of the above-mentioned time domain interference coordination scheme that prior art provides is: in ABS; Though as not transmitting or with the data dispatching of low-power transmission UE the Macro sub-district of interference source sub-district; But still can the necessary control information of transmit wireless communication system; For example mib information, SIB information, primary/secondary synchronizing information, pilot frequency information, paging information etc.; Consider that the power ratio pico base station of macro base station generally speaking sending is big, therefore when UE is in overlapping covered edge, two sub-districts or is in the cell extension zone (CEA, Cell Extension Area) of pico sub-district; For the UE that receives in the interfered cell Pico sub-district; When it received the control information of sending the Pico base station in ABS, these control information meetings that Macro sends in ABS the sub-district caused stronger interference to this UE, thereby greatly reduced the validity and the reliability of the control information of Pico base station that UE receives sending.
Summary of the invention
The embodiment of the invention provides a kind of sending method, system and base station of control information, validity and the not high problem of reliability by the control information that provided by interfered cell that the UE that the scheme that adopts prior art to provide in order to solution exists receives.
The embodiment of the invention also provides a kind of method of reseptance and terminal of control information.
The embodiment of the invention adopts following technical scheme:
A kind of transmitting system of control information comprises first base station and terminal, also comprises second base station, wherein:
Said first base station is used to confirm to desire to send to the control information at terminal, and said control information is sent to second base station; Said second base station is used to receive the said control information that send first base station, and said control information is sent to said terminal.
A kind of sending method of control information comprises: the control information at terminal is confirmed to desire to send in first base station; And said control information sent to second base station, indicate second base station that said control information is sent to the terminal.
A kind of sending method of control information comprises: second base station receives the control information that send first base station; And said control information sent to the terminal.
A kind of control information method of reseptance comprises: the terminal receives the same frequency carrier aggregation mode of operation triggering command that carries cell ID that send second base station; And keep being connected of said terminal and second base station, and set up being connected between first base station of said terminal and the sub-district that covers said cell ID indication; And, receive the control information that send second base station, and, receive the control information of first base station transmission based on being connected between said terminal and first base station based on being connected between the said terminal that keeps and second base station.
A kind of base station comprises: the unit is confirmed in control information, is used to confirm to desire to send to the control information at terminal; First indicating member is used for control information is confirmed that the control information that the unit is confirmed sends to other base stations, indicates other base stations that said control information is sent to the terminal.
A kind of base station comprises: the control information receiving element is used to receive the control information that send other base stations; The control information transmitting element is used for the control information that the control information receiving element receives is sent to the terminal.
A kind of terminal comprises: the triggering command receiving element is used to receive the same frequency carrier aggregation mode of operation triggering command that carries cell ID that send second base station; Linkage unit is used for after the triggering command receiving element receives said instruction, keeps being connected of said terminal and second base station, and sets up being connected between first base station of said terminal and the sub-district that covers said cell ID indication; The control information receiving element; Being connected between the said terminal that is used for keeping and second base station based on linkage unit; Receive the control information that send second base station, and being connected between the said terminal of setting up based on linkage unit and first base station, the control information of first base station transmission received.
The beneficial effect of the embodiment of the invention is following:
The such scheme that the embodiment of the invention provides has guaranteed the validity and the reliability of this control information that the terminal receives through the collaborative transmission to the control information that provided by first base station of first base station and second base station.
Description of drawings
Fig. 1 is the interference environment sketch map of having introduced behind the novel radio node;
The sketch map of the time domain interference coordination scheme that Fig. 2 provides for prior art;
The idiographic flow sketch map of the sending method of a kind of control information that Fig. 3 provides for the embodiment of the invention;
The idiographic flow sketch map of the sending method of the another kind of control information that Fig. 4 provides for the embodiment of the invention;
The idiographic flow sketch map of the method for reseptance of a kind of control information that Fig. 5 provides for the embodiment of the invention;
Fig. 6 is the collaborative sketch map that control information is transmitted in Macro base station and Pico base station;
Fig. 7 is the triggering sketch map with frequency carrier aggregation mode of operation;
Fig. 8 sends to control information for the Pico base station idiographic flow sketch map of Macro base station;
The control information that Fig. 9 sends the Pico base station for the Macro base station sends to the idiographic flow sketch map of UE;
Figure 10 is for stopping a schematic flow sheet of " with frequency carrier aggregation mode of operation ";
Figure 11 is for stopping another schematic flow sheet of " with frequency carrier aggregation mode of operation ";
The concrete structure sketch map of a kind of base station that Figure 12 provides for the embodiment of the invention;
The concrete structure sketch map of the another kind of base station that Figure 13 provides for the embodiment of the invention;
The concrete structure sketch map at a kind of terminal that Figure 14 provides for the embodiment of the invention.
Embodiment
For solving the validity and the not high problem of reliability by the control information that provided by interfered cell of the UE reception that exists in the prior art; The embodiment of the invention provides a kind of delivery plan of control information; Through the collaborative transmission of the control information that between interference base station and the interfered base station interfered base station provided, guaranteed the validity and the reliability of this control information that the terminal receives.
Below in conjunction with accompanying drawing, the delivery plan of the control information that the embodiment of the invention is provided describes in detail.
The embodiment of the invention at first provides a kind of sending method of control information, and the idiographic flow sketch map of this method is as shown in Figure 3, may further comprise the steps:
Mib information, SIB information, primary/secondary synchronizing information, pilot frequency information, paging information, Physical Downlink Control Channel (PDCCH, Physical Downlink Control Channel) the part or all of information that information comprised;
Need to prove that above-mentioned control information is not limited to these several kinds of information that preceding text are enumerated out.First base station sends to second base station with other control informations except that above-mentioned information, and indicates scheme that second base station sends to UE with this control information also in protection scope of the present invention and so on.
Can know by above-mentioned steps, when first base station when receiving interference base station, it can send to second base station with control information, and is come to send this control information to UE by second base station, can satisfy one of following condition this moment:
One, the transmitting power of detected second base station of UE is greater than the transmitting power of detected first base station, terminal;
Two, this control information is also sent to UE in first base station.
Then validity and the reliability by the control information that provided by interference base station that receive of UE can be significantly improved.
In embodiments of the present invention, the trigger condition that sends control information to second base station of first base station can second base station sends is used to the same frequency carrier aggregation mode of operation triggering command of indicating first base station to send control information to second base station for: first base station is confirmed self to receive.Wherein, here same frequency carrier aggregation mode of operation triggering command can but be not limited to ABS configuration-direct or handoff request signaling.When reusing ABS configuration-direct or handoff request signaling; Can in signaling, increase corresponding indication information; Can know that it is about to and second base station entering of sending this signaling " with frequency carrier aggregation mode of operation ", the transmission mode that the such scheme that this pattern promptly provides based on the embodiment of the invention is set up according to this indication information so that receive first base station of this signaling.
In embodiments of the present invention, first base station sends to control information after second base station, can further include following step:
At first; Whether the reference signal measurement result that send at the first base station judges terminal satisfies preset with frequency carrier aggregation mode of operation stop condition; Such as; The condition here can but be not restricted to reference signal strength value into detected second base station of UE less than first threshold; Or the difference of reference signal strength value that the reference signal strength value of detected second base station of UE deducts first base station is less than second threshold value, and perhaps, the condition here can also be other trigger conditions of communication system or communication specification defined;
Then, when being, sending to the terminal and to be used for indicating terminal and to discharge the same frequency carrier aggregation mode of operation halt instruction that is connected between second base station and the terminal in judged result, or ask second base station to be sent to the terminal should be with carrier aggregation mode of operation halt instruction frequently.
In the embodiment of the invention, can send the mode of the message carry delivery time information to second base station, indicate second base station to send control information to the terminal in the moment of this time information indication through first base station.First base station can confirm that then second base station receives the moment of control information, and sends control information to the terminal in this moment.
The embodiment of the invention also provides the sending method of another kind of control information, and the idiographic flow sketch map of this method is as shown in Figure 4, may further comprise the steps:
Preferably, second base station can send to the terminal with this control information through dedicated control signaling (such as rrc layer signaling or MAC layer signaling).
Send control information to second base station in order to trigger first base station; Receive before the control information of sending first base station in second base station; Second base station can be sent to first base station and is used to the same frequency carrier aggregation mode of operation triggering command of indicating first base station to send control information to second base station; Should can also can be existing instruction in the system (such as the ABS configuration-direct) for instruction newly-increased in the system with frequency carrier aggregation mode of operation triggering command.This triggering command is that the benefit of existing instruction in the system is, need not newly-increased new instruction, thereby can practice thrift the processing resource.
In embodiments of the present invention, after second base station sent to the terminal with said control information, it was preset with frequency carrier aggregation mode of operation stop condition to judge further whether the reference signal measurement result of sending at the terminal satisfies; And in judged result when being, send to the terminal and to be used for indicating terminal and to discharge the same frequency carrier aggregation mode of operation halt instruction that is connected between first base station and the terminal.Wherein, The same frequency carrier aggregation mode of operation stop condition here can but the reference signal strength value that is not limited to detected first base station, terminal less than the 3rd threshold value; Or the difference of reference signal strength value that the reference signal strength value of detected second base station, terminal deducts first base station is greater than the 4th threshold value; Perhaps, this condition also can be other trigger conditions of communication system or communication specification defined.
The embodiment of the invention also provides a kind of method of reseptance of control information, and the idiographic flow sketch map of this method is as shown in Figure 5, may further comprise the steps:
Preferably, when setting up between terminal and first base station when being connected, the terminal can also receive the control information that send first base station.
Preferably, said method can also comprise: the terminal obtains the reference signal measurement result, and the reference signal measurement result is sent to second base station; Receive of the same frequency carrier aggregation mode of operation halt instruction of second base station according to the reference signal measurement feedback; According to this halt instruction, discharge being connected between terminal and first base station.
Perhaps, said method also can comprise: the terminal obtains the reference signal measurement result, and the reference signal measurement result is sent to first base station; Receive of the same frequency carrier aggregation mode of operation halt instruction of first base station according to the reference signal measurement feedback; And, discharge being connected between terminal and second base station according to the instruction that the halt instruction receiving element receives.
Preferably, above-mentioned is the reconfiguration instructions of R10 with carrier aggregation mode of operation halt instruction frequently.
In practical application, the transmission mode that the such scheme that provides based on the embodiment of the invention is set up can be called " with carrier aggregation mode of operation frequently ", perhaps also can be called " co-frequency cell polymerization mode of operation ".Say that in essence this pattern is meant for the isomery sub-district in same frequency layer provides service to a UE simultaneously, the data mode that a plurality of sub-districts provide is different.Based on this pattern; In environment as shown in Figure 1; UE can be issued with the necessary control information that the Pico base station need be sent in Macro base station and Pico base station; Thereby the control information that is provided by the Pico base station that UE both can receive that the Macro base station transmits can receive the control information of directly being sent by the Pico base station again.Owing to compare with the transmitted power of Pico base station; The transmitting power of Macro base station is bigger; Thereby the control information that send the Pico base station is less to the interference of the control information that send the Macro base station, therefore, compares with the control information that receives the transmission of Pico base station; UE possesses the control information of sending than the Macro base station of big transmitting power through reception, can improve the validity and the reliability of the control information that receives.In embodiments of the present invention, UE can also select to receive only the control information that the Macro base station transmits is provided by the Pico base station and not monitor and receive the control information that send the Pico base station.
In embodiments of the present invention, it is as shown in Figure 6 that the sketch map that control information is transmitted is worked in coordination with in Macro base station and Pico base station.In Fig. 6, the Pico base station sends to the Macro base station with the control information of desiring to send to UE, again this control information is sent to the Pico base station by the Macro base station again, and the Pico base station is also sent this control information through the mode of broadcasting to UE.
Under " with frequency carrier aggregation mode of operation " that the embodiment of the invention proposes, Macro base station and Pico base station can be divided into following four steps to the collaborative transfer process of the control information that the Pico base station provides:
First step: with the triggering of carrier aggregation mode of operation frequently;
The main effect of first step is to trigger UE, Macro base station and Pico base station and is operated in under the frequency carrier aggregation mode of operation.Particularly, first step can be divided into following steps as shown in Figure 7:
Step 71, measurement and reporting measurement result that UE carries out the reference signal strength value give the Macro base station;
The sub-district ID that carries in the measurement result that step 72, Macro base station report according to UE need to confirm the sub-district ID of polymerization;
Step 73; " with carrier aggregation mode of operation frequently " triggering command is sent to UE respectively in the Macro base station with the Pico base station that covers the sub-district determine sub-district ID indication; Wherein, send to being somebody's turn to do in " with frequency carrier aggregation mode of operation " triggering command of UE and carry this sub-district ID that determines;
Need to prove that " with carrier aggregation mode of operation frequently " triggering command that the Macro base station sends to UE can be the reconfiguration instructions of reusing the R10 that prior art provides; The Macro base station sends to Pico base station " with frequency carrier aggregation mode of operation " triggering command then can reuse the ABS configuration-direct based on the transmission of R10X2 interface that prior art provides.The Pico base station just can be informed in the control information of sending to UE in the ABS and whether need send to the Macro base station after receiving this " with frequency carrier aggregation mode of operation " triggering command.
Step 74; UE carries out the operation of reshuffling after receiving " with frequency carrier aggregation mode of operation " triggering command; And keep with the Macro base station between be connected in; Set up radio resource control (RRC, Radio ResourceControl) with the Pico base station of the sub-district that covers the sub-district ID indication of carrying in this instruction and connect, flow process finishes.Need to prove that UE is similar with the access procedure of UE that defines among the process of foundation and the R10 being connected of Pico base station and scell, repeats no more at this.
Can see,, in embodiments of the present invention, can send " with frequency carrier aggregation mode of operation " triggering command through reusing existing means of signaling in order to reduce influence as far as possible to agreement.
Second step: the control information that the Pico base station will be sent sends to the Macro base station;
Second step can be divided into following step as shown in Figure 8:
Step 81, Pico base station are confirmed the necessary control information that will in ABS, send, and this necessary control information can be in the information such as mib information, SIB information, primary/secondary synchronizing information, pilot frequency information, paging information one or more;
Step 82, the Pico base station sends to the Macro base station through inter-base station interface with above-mentioned control information, simultaneously, Pico base station and Macro base station negotiate and definite transmitting time that above-mentioned control information is sent to UE;
The negotiation of above-mentioned transmitting time can have dual mode.First kind of mode is by the propagation delay time of Pico base station when above-mentioned control information is transferred to the Macro base station; Estimate the Macro base station and receive moment of this control information; And this control information is sent to UE constantly at this in indication Macro base station; Simultaneously, the Pico base station is also sent this control information in the moment that estimates to UE; The second way is to indicate a delivery time by the Pico base station to the Macro base station, and send this control information that receives at this delivery time the Macro base station.
Step 83, Macro base station are returned the successful affirmation information that receives to the Pico base station after receiving above-mentioned control information.
Preferably, above-mentioned 83 is optional step, and this confirmation also can be returned to the Pico base station in the Macro base station.
The 3rd step: the control information that the Pico base station is sent in the Macro base station sends to UE;
The sketch map of the 3rd step is as shown in Figure 9.The Macro base station is after the control information that the Pico base station is sent sends to UE, and UE can also return to the Macro base station and receive successful affirmation message.Certainly, look actual conditions, UE can not return this acknowledge message to the Macro base station yet.
What be worth explanation is that the Macro base station can utilize special-purpose control signaling (such as rrc layer signaling or MAC CE signaling) to send the control information that send the Pico base station; Also can send this control information through the mode of reusing the R10 process.In addition; When the control information of desiring to send to UE changes (being modified such as newly-increased control information or control information); This part control information that the Pico base station can only will change (comprise newly-increased with amended control information) sends to the Macro base station, and is transmitted to UE by the Macro base station; Also can be that all necessary control informations that comprise this part control information of changing (comprise newly-increased with amended control information) are all sent to the Macro base station, and be transmitted to UE by the Macro base station.
The 4th step: stop " with frequency carrier aggregation mode of operation ", flow process finishes.
In the embodiment of the invention, the 4th step can be just like two kinds of situation shown in Figure 10, Figure 11 difference.
Situation shown in Figure 10 is to detect the scene that the Pico signal of base station weakens to UE, and the flow process that under this scene, stops " with frequency carrier aggregation mode of operation " comprises the steps:
Step 101, UE carries out the reference signal strength value according to the configuration of network side and measures and channel state feedback;
Step 102; The Macro base station is judged according to reference signal strength value and channel status that UE measures; Judge the Reference Signal Received Power (RSRP of Pico base station; Reference Signal ReceivingPower) (perhaps Reference Signal Received Quality (RSRQ; Reference Signal Received Quality)) whether be lower than certain threshold value (judging perhaps whether current reference signal strength value and channel status satisfy the preset trigger reported event), and in judged result when being, execution in step 103;
Step 103, Macro base station are sent " with frequency carrier aggregation mode of operation " halt instruction to UE and Pico base station respectively;
Step 104, UE carries out reconfiguration course after receiving this " with frequency carrier aggregation mode of operation " halt instruction;
Step 105, UE carry out to discharge its with the Pico base station between the operation that is connected, the flow process end.
Situation shown in Figure 11 is to detect the scene that the Pico signal of base station strengthens to UE, and the flow process that under this scene, stops " with frequency carrier aggregation mode of operation " comprises the steps:
Step 111, UE carries out the reference signal strength value according to the configuration of network side and measures and channel state feedback;
Step 112; The Pico base station is judged according to reference signal strength value and channel status that UE measures; Whether the RSRP (perhaps RSRQ) that judges the Pico base station is greater than certain threshold value (judging perhaps whether current reference signal strength value and channel status satisfy the preset trigger reported event); And in judged result when being, execution in step 113;
Step 113, Pico base station are sent " with frequency carrier aggregation mode of operation " halt instruction to UE and Macro base station respectively;
Step 114, UE can be further reshuffles signaling according to what network side issued after receiving this " with carrier aggregation mode of operation frequently " halt instruction, carry out reconfiguration course;
Need to prove that if " with frequency carrier aggregation mode of operation " halt instruction is the signaling of reshuffling of the system of having reused, then UE can directly reshuffle signaling according to this and carry out reconfiguration course.And if this reconfiguration instructions is not reused in " with carrier aggregation mode of operation frequently " halt instruction, then UE can further obtain the signaling of reshuffling that network side issues, and carries out reconfiguration course as step 114 is described according to this reconfiguration instructions.
UE can confirm to continue execution in step 115 through after confirming to have deleted corresponding M acro base station IDs in this halt instruction after receiving " with frequency carrier aggregation mode of operation " halt instruction.
Step 115, UE carry out to discharge its with the Macro base station between the operation that is connected, the flow process end.
In above-mentioned steps, UE also can not carry out the process of reshuffling.
Need to prove; In the above-mentioned steps 113; The Pico base station also can be to send " with frequency carrier aggregation mode of operation " to the Macro base station to stop the application instruction; " with carrier aggregation mode of operation frequently " halt instruction then can should " with carrier aggregation mode of operation frequently " stop to apply for that the Macro base station of instructing to send to UE by receiving, thereby carries out follow-up step 114,115.
Special, in the above-mentioned flow process, " with carrier aggregation mode of operation frequently " that send to UE Macro base station (or Pico base station) stops indication and can adopt and reuse the existing means of signaling of reshuffling and send.And, can should quit work under " with frequency carrier aggregation mode of operation " so that UE is known through the mode of deletion sub-district ID from this reconfiguration instructions.
Special, being somebody's turn to do in " with frequency carrier aggregation mode of operation " of embodiment of the invention proposition, can continue to continue to use the notion of " main plot or main carrier pcell " and " carrier wave scell is perhaps assisted in auxilliary sub-district ".Such as, can call " main plot " to the original resident sub-district, place of UE; Perhaps call " main plot " to network side to the sub-district that UE reconfigured that gets into mode of operation; Perhaps when UE is in Macro sub-district and Pico sub-district together, with the Macro sub-district as " main plot ", and with the Pico sub-district as " auxilliary sub-district ".
It is example that the embodiment of the invention is only worked in coordination with to the UE control information transmission with Macro base station, Pico base station; The control information scheme that the embodiment of the invention is provided specifically describes; In fact, this scheme of providing of embodiment of the invention embodiment can also be applied in the unequal or not close isomery sub-district of other transmitting power and deposit in the scene.Such as, this scheme also can be applied in the Macro base station and the femto base station is collaborative in the scene of UE control information transmission.In this scene, sub-district, place, femto base station is the interference source sub-district, and sub-district, place, Macro base station then is by interfered cell.Need to prove that the such scheme that the application embodiment of the invention provides in any scene is all within protection scope of the present invention.
The sending method of the above-mentioned control information that provides corresponding to the embodiment of the invention, the embodiment of the invention also provides a kind of transmitting system of control information, and this system comprises first base station, terminal and second base station, and wherein, the concrete function of each several part is following:
First base station is used to confirm to desire to send to the control information at terminal, and control information is sent to second base station;
Second base station is used to receive the control information that send first base station, and control information is sent to the terminal.Particularly, second base station specifically can be used for through dedicated control signaling control information being sent to the terminal, the dedicated control signaling here can but be not limited to rrc layer signaling or MAC layer signaling.
Preferably, first base station sends to second base station with control information, is specially:
First base station determines whether to receive that second base station sends is used to the same frequency carrier aggregation mode of operation triggering command of indicating first base station to send control information to second base station; And in definite result when being, first base station sends to second base station with said control information.The same frequency carrier aggregation mode of operation triggering command here can but be not limited to the ABS configuration-direct.
Preferably, first base station also is used for after control information is sent to second base station, judges whether the reference signal measurement result of sending at the terminal satisfies preset first with carrier aggregation mode of operation stop condition frequently; And in judged result when being, sends to the terminal and to be used for indicating terminal and to discharge the same frequency carrier aggregation mode of operation halt instruction that is connected between second base station and the terminal, or it is said with carrier aggregation mode of operation halt instruction frequently to ask second base station to be sent to the terminal.Wherein, First with carrier aggregation mode of operation stop condition frequently can but the reference signal strength value that is not limited to detected second base station, terminal less than first threshold, or the difference of reference signal strength value that the reference signal strength value of detected second base station, terminal deducts first base station is less than second threshold value.
Preferably, second base station also is used for after receiving the said control information of sending first base station, judges whether the reference signal measurement result of sending at the terminal satisfies preset second with frequency carrier aggregation mode of operation stop condition; Send to the terminal and to be used for indicating terminal and to discharge the same frequency carrier aggregation mode of operation halt instruction that is connected between first base station and the terminal.Here second with carrier aggregation mode of operation stop condition frequently can but the reference signal strength value that is not limited to detected first base station, terminal less than the 3rd threshold value, or the difference of reference signal strength value that the reference signal strength value of detected second base station, terminal deducts first base station is greater than the 4th threshold value.
Preferably, first base station also is used for sending the message that carries delivery time information to second base station; And second the base station specifically be used for sending control information to the terminal in the moment of this time information indication.
Preferably, first base station is used for also confirming that second base station receives the moment of said control information, and sends control information to the terminal in this moment.
Preferably, second base station also is used for sending the indication control information information constantly that comes into force to the terminal.
Preferably, coming into force constantly of control information can also be arranged according to existing parameter in communication standard or the standard in second base station, and the moment notice that comes into force that will arrange is given the terminal.Just can come into force at this and utilize the control information that receives upgrade the relevant configuration at terminal constantly after knowing this moment of coming into force in the terminal.
Corresponding to the such scheme that the embodiment of the invention provides, the embodiment of the invention also provides a kind of base station, and the concrete structure sketch map of this base station is shown in figure 12, comprises following functional unit:
First indicating member 122 is used for control information is confirmed that the control information that unit 121 is confirmed sends to other base stations, indicates other base stations that control information is sent to the terminal.
Preferably, first indicating member 122 specifically can be used to indicate said other base stations through dedicated control signaling control information to be sent to the terminal, and the dedicated control signaling here is rrc layer signaling or MAC layer signaling.
Preferably, first indicating member 122 specifically comprises:
Determination module is used to determine whether to receive being used to that said other base stations send indicate base station shown in figure 12 to send the same frequency carrier aggregation mode of operation triggering command of said control information to said other base stations; Indicating module, the definite result who is used for obtaining at determination module sends to said other base stations with control information when being, indicates other base stations that said control information is sent to the terminal.Wherein, here same frequency carrier aggregation mode of operation triggering command can but be not limited to ABS configuration-direct or handoff request signaling.
Preferably, this base station can also comprise:
Judging unit is used for after indicating member sends to control information said other base stations, and it is preset with frequency carrier aggregation mode of operation stop condition to judge whether the reference signal measurement result of sending at the terminal satisfies;
Second indicating member; The judged result that is used for obtaining at judging unit is when being; Send to the terminal and to be used for indicating terminal and to discharge the same frequency carrier aggregation mode of operation halt instruction that is connected between said other base stations and the terminal, or ask said other base stations to send this halt instruction to the terminal.Here with carrier aggregation mode of operation stop condition frequently can but be not limited to reference signal strength value that the terminal detects other base stations less than first threshold, or the difference of reference signal strength value that the reference signal strength value of detected said other base stations, terminal deducts base station shown in figure 12 is less than second threshold value.
Corresponding to the such scheme that the embodiment of the invention provides, the embodiment of the invention also provides another kind of base station, and the concrete structure sketch map of this base station is shown in figure 13, comprises following functional unit:
Control information receiving element 131 is used to receive the control information that send other base stations;
Control information transmitting element 132 is used for the control information that control information receiving element 131 receives is sent to the terminal.
Preferably, the control information transmitting element specifically can be used for through dedicated control signaling control information being sent to the terminal.
Preferably, this base station can also comprise:
The triggering command transmitting element; Be used for before control information receiving element receiving control information; Send to said other base stations and to be used to the same frequency carrier aggregation mode of operation triggering command of indicating said other base stations to send control information to this base station shown in figure 13, the same frequency carrier aggregation mode of operation triggering command here can singly be not limited to ABS configuration-direct or handoff request signaling.
Preferably, this base station can also comprise:
Judging unit is used for after the control information transmitting element sends to the terminal with control information, and it is preset with frequency carrier aggregation mode of operation stop condition to judge whether the reference signal measurement result of sending at the terminal satisfies; And the halt instruction transmitting element, be used for sending and be used for indicating terminal and discharge the same frequency carrier aggregation mode of operation halt instruction that is connected between said other base stations and the terminal to the terminal.
Preferably; Said second with carrier aggregation mode of operation stop condition frequently be the reference signal strength value of detected said other base stations, terminal less than the 3rd threshold value, or the difference of reference signal strength value that the reference signal strength value of detected base station shown in figure 13, terminal deducts said other base stations is greater than the 4th threshold value.
Corresponding to the such scheme that the embodiment of the invention provides, the embodiment of the invention also provides a kind of terminal, and the concrete structure sketch map at this terminal is shown in figure 14, comprises following functional unit:
Triggering command receiving element 141 is used to receive the same frequency carrier aggregation mode of operation triggering command that carries cell ID that send second base station;
Control information receiving element 143; Being connected between the terminal that is used for keeping and second base station based on linkage unit 142; Receive the control information that send second base station, and being connected between the terminal of setting up based on linkage unit 142 and first base station, the control information of first base station transmission received.
Preferably, control information receiving element 143 specifically can be used to receive the control information that send through dedicated control signaling second base station, the dedicated control signaling here can but be not limited to rrc layer signaling or MAC layer signaling.
Preferably, the same frequency carrier aggregation mode of operation triggering command here is to send to the ABS configuration-direct of UE or reshuffle signaling.
Preferably, above-mentioned terminal can also comprise:
The measurement result transmitting element is used to obtain the reference signal measurement result, and the reference signal measurement result is sent to second base station; The halt instruction receiving element is used to receive the same frequency carrier aggregation mode of operation halt instruction of second base station according to the reference signal measurement feedback of measurement result transmitting element transmission; Connect releasing unit, be used for the said instruction that receives according to the halt instruction receiving element, discharge being connected between said terminal and first base station.
Perhaps, above-mentioned terminal can also comprise:
The measurement result transmitting element is used to obtain the reference signal measurement result, and the reference signal measurement result is sent to first base station; The halt instruction receiving element is used to receive the same frequency carrier aggregation mode of operation halt instruction of first base station according to the reference signal measurement feedback of measurement result transmitting element transmission; Connect releasing unit, be used for the said instruction that receives according to the halt instruction receiving element, discharge being connected between said terminal and second base station.
Above-mentioned with carrier aggregation mode of operation halt instruction frequently can but be not limited to the reconfiguration instructions of R10.
Preferably, above-mentioned terminal can also comprise updating block, is used for the control information that receives according to the control information receiving element, upgrades the relevant configuration at said terminal.
Preferably, being connected between the said terminal that said control information receiving element also is used for setting up based on linkage unit and first base station receives the control information of first base station transmission; This moment, updating block specifically was used for: according to first base station of control information receiving element reception, the control information that send respectively second base station, upgrade the relevant configuration at said terminal.Such as; Updating block can be when the control information receiving element receives the control information of first base station or the transmission of second base station; Earlier according to this control information relevant configuration of new terminal more, then when receiving the control information of sending first base station, the control information that send the control information that can send first base station and second base station compare; And comparing both when inconsistent, use after the control information of sending that receives by first base station come the more relevant configuration of new terminal.Otherwise; If updating block receives the control information that send first base station earlier; After receive the control information that send second base station, then comparing both when inconsistent, can use after the control information of sending that receives by second base station come the more relevant configuration of new terminal.In addition, though first base station can be to the terminal broadcast control information, this control information of first base station broadcast can also be selected not monitor in the terminal, and receives only the control information that send second base station.
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, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (57)
1. the transmitting system of a control information comprises first base station and terminal, it is characterized in that, also comprises second base station, wherein:
Said first base station is used to confirm to desire to send to the control information at terminal, and said control information is sent to second base station;
Said second base station is used to receive the said control information that send first base station, and said control information is sent to said terminal.
2. the system of claim 1 is characterized in that, second base station specifically is used for through dedicated control signaling said control information being sent to the terminal.
3. system as claimed in claim 2 is characterized in that, said dedicated control signaling is rrc layer signaling or MAC layer signaling.
4. the system of claim 1 is characterized in that, first base station sends to second base station with said control information, is specially:
First base station determines whether to receive being used to that second base station sends and indicates first base station to send the same frequency carrier aggregation mode of operation triggering command of said control information to second base station; And in definite result when being, first base station sends to second base station with said control information.
5. system as claimed in claim 4 is characterized in that, said is ABS configuration-direct or handoff request signaling with frequency carrier aggregation mode of operation triggering command.
6. like claim 1 or 4 described systems; It is characterized in that; First base station also is used for after said control information is sent to second base station, judges whether the reference signal measurement result of sending at the terminal satisfies preset first with carrier aggregation mode of operation stop condition frequently; And in judged result when being, sends to the terminal and to be used for indicating terminal and to discharge the same frequency carrier aggregation mode of operation halt instruction that is connected between second base station and the terminal, or it is said with carrier aggregation mode of operation halt instruction frequently to ask second base station to be sent to the terminal.
7. system as claimed in claim 6; It is characterized in that; Said first with carrier aggregation mode of operation stop condition frequently be the reference signal strength value of detected second base station, terminal less than first threshold, or the difference of reference signal strength value that the reference signal strength value of detected second base station, terminal deducts first base station is less than second threshold value.
8. like claim 1 or 4 described systems; It is characterized in that; Said second base station also is used for after receiving the said control information of sending first base station, judges whether the reference signal measurement result of sending at the terminal satisfies preset second with frequency carrier aggregation mode of operation stop condition; Send to the terminal and to be used for indicating terminal and to discharge the same frequency carrier aggregation mode of operation halt instruction that is connected between first base station and the terminal.
9. system as claimed in claim 8; It is characterized in that; Said second with carrier aggregation mode of operation stop condition frequently be the reference signal strength value of detected first base station, terminal less than the 3rd threshold value, or the difference of reference signal strength value that the reference signal strength value of detected second base station, terminal deducts first base station is greater than the 4th threshold value.
10. the system of claim 1 is characterized in that, first base station also is used for sending the message that carries delivery time information to second base station; And
Second base station specifically is used for sending said control information in the moment of said time information indication to the terminal.
11. the system of claim 1 is characterized in that, first base station is used for also confirming that second base station receives the moment of said control information, and sends said control information in the said moment to the terminal.
12., it is characterized in that said control information is one or more in the following information like claim 1～5,7,9～11 arbitrary described systems:
The Master Information Block mib information; System information block SIB information; Primary/secondary synchronizing information; Pilot frequency information; Paging information; The part or all of information that physical downlink control channel PDCCH information is comprised.
13., it is characterized in that second base station also is used to specify and sends the said control information of the indication information constantly that comes into force to the terminal like claim 1～5,7,9～11 arbitrary described systems; Perhaps
Coming into force constantly of said control information arranged according to existing parameter in existing communication standard or the standard in second base station, and said the coming into force that will arrange notified to the terminal constantly.
14. the sending method of a control information is characterized in that, comprising:
The control information at terminal is confirmed to desire to send in first base station; And
Said control information is sent to second base station, indicate second base station that said control information is sent to the terminal.
15. method as claimed in claim 14 is characterized in that, first base station sends to second base station with said control information, specifically comprises:
First base station determines whether to receive being used to that second base station sends and indicates first base station to send the same frequency carrier aggregation mode of operation triggering command of said control information to second base station; And
When being, first base station sends to second base station with said control information in definite result.
16. method as claimed in claim 15 is characterized in that, said is ABS configuration-direct or handoff request signaling with frequency carrier aggregation mode of operation triggering command.
17., it is characterized in that, first base station sends to said control information after second base station, also comprises like claim 14 or 15 described methods:
Whether the reference signal measurement result that send at the first base station judges terminal satisfies preset with frequency carrier aggregation mode of operation stop condition; And
, send to the terminal and to be used for indicating terminal and to discharge the same frequency carrier aggregation mode of operation halt instruction that is connected between second base station and the terminal when being in judged result, or ask second base station to send said halt instruction to the terminal.
18. method as claimed in claim 17; It is characterized in that; Said with carrier aggregation mode of operation stop condition frequently be the reference signal strength value of detected second base station, terminal less than first threshold, or the difference of reference signal strength value that the reference signal strength value of detected second base station, terminal deducts first base station is less than second threshold value.
19. method as claimed in claim 14 is characterized in that, also comprises: the message that carries delivery time information is sent in first base station to second base station; And
First base station indicates second base station that said control information is sent to the terminal, is specially:
First base station indicates second base station to send said control information in the moment of said time information indication to the terminal.
20. method as claimed in claim 14 is characterized in that, also comprises:
First base station confirms that second base station receives the moment of said control information, and sends said control information in the said moment to the terminal.
21. the sending method of a control information is characterized in that, comprising:
Second base station receives the control information that send first base station; And
Said control information is sent to the terminal.
22. method as claimed in claim 21 is characterized in that, second base station sends to the terminal with said control information, is specially:
Second base station sends to the terminal through dedicated control signaling with said control information.
23. method as claimed in claim 22 is characterized in that, said dedicated control signaling is rrc layer signaling or MAC layer signaling.
24. method as claimed in claim 21 is characterized in that, second base station receives before the control information of sending first base station, also comprises:
Second base station is sent to first base station and is used to indicate first base station to send the same frequency carrier aggregation mode of operation triggering command of said control information to second base station.
25. method as claimed in claim 24 is characterized in that, said is ABS configuration-direct or handoff request signaling with frequency carrier aggregation mode of operation triggering command.
26., it is characterized in that second base station sends to said control information after the terminal, also comprises like claim 21 or 24 described methods:
Whether the reference signal measurement result that send at the second base station judges terminal satisfies preset with frequency carrier aggregation mode of operation stop condition; And
, send to the terminal and to be used for indicating terminal and to discharge the same frequency carrier aggregation mode of operation halt instruction that is connected between first base station and the terminal when being in judged result.
27. method as claimed in claim 26; It is characterized in that; Said with carrier aggregation mode of operation stop condition frequently be the reference signal strength value of detected first base station, terminal less than the 3rd threshold value, or the difference of reference signal strength value that the reference signal strength value of detected second base station, terminal deducts first base station is greater than the 4th threshold value.
28. a control information method of reseptance is characterized in that, comprising:
The terminal receives the same frequency carrier aggregation mode of operation triggering command that carries cell ID that send second base station; And
Keep being connected of said terminal and second base station, and set up being connected between first base station of said terminal and the sub-district that covers said cell ID indication; And
Based on being connected between the said terminal that keeps and second base station, receiving the control information that send second base station, and, receive the control information of first base station transmission based on being connected between said terminal and first base station.
29. method as claimed in claim 28 is characterized in that, said terminal receives the said control information that send through dedicated control signaling second base station.
30. method as claimed in claim 29 is characterized in that, said dedicated control signaling is rrc layer signaling or MAC layer signaling.
31. method as claimed in claim 28 is characterized in that, said is to send to the ABS configuration-direct of UE or reshuffle signaling with frequency carrier aggregation mode of operation triggering command.
32. method as claimed in claim 28 is characterized in that, also comprises:
Said terminal obtains the reference signal measurement result, and the reference signal measurement result is sent to second base station; And
Receive of the same frequency carrier aggregation mode of operation halt instruction of second base station according to the reference signal measurement feedback; And
According to said halt instruction, discharge being connected between said terminal and first base station.
33. method as claimed in claim 28 is characterized in that, also comprises:
Said terminal obtains the reference signal measurement result, and the reference signal measurement result is sent to first base station;
Receive of the same frequency carrier aggregation mode of operation halt instruction of first base station according to the reference signal measurement feedback; And
According to the said instruction that the halt instruction receiving element receives, discharge being connected between said terminal and second base station.
34., it is characterized in that said is the reconfiguration instructions of R10 with carrier aggregation mode of operation halt instruction frequently like claim 32 or 33 described methods.
35. a base station is characterized in that, comprising:
The unit is confirmed in control information, is used to confirm to desire to send to the control information at terminal;
First indicating member is used for control information is confirmed that the control information that the unit is confirmed sends to other base stations, indicates other base stations that said control information is sent to the terminal.
36. base station as claimed in claim 35 is characterized in that, said first indicating member specifically is used to indicate said other base stations through dedicated control signaling said control information to be sent to the terminal.
37. base station as claimed in claim 36 is characterized in that, said dedicated control signaling is rrc layer signaling or MAC layer signaling.
38. base station as claimed in claim 35 is characterized in that, said first indicating member specifically comprises:
Determination module is used to determine whether to receive being used to that said other base stations send indicate said base station to send the same frequency carrier aggregation mode of operation triggering command of said control information to said other base stations;
Indicating module, the definite result who is used for obtaining at determination module sends to said other base stations with said control information when being, indicates other base stations that said control information is sent to the terminal.
39. base station as claimed in claim 38 is characterized in that, said is ABS configuration-direct or handoff request signaling with frequency carrier aggregation mode of operation triggering command.
40. base station as claimed in claim 35 is characterized in that, also comprises:
Judging unit is used for after indicating member sends to said other base stations with said control information, and it is preset with frequency carrier aggregation mode of operation stop condition to judge whether the reference signal measurement result of sending at the terminal satisfies;
Second indicating member; The judged result that is used for obtaining at judging unit is when being; Send to the terminal and to be used for indicating terminal and to discharge the same frequency carrier aggregation mode of operation halt instruction that is connected between said other base stations and the terminal, or it is said with carrier aggregation mode of operation halt instruction frequently to ask said other base stations to be sent to the terminal.
41. base station as claimed in claim 40; It is characterized in that; Said with carrier aggregation mode of operation stop condition frequently be the reference signal strength value of detected said other base stations, terminal less than first threshold, or the difference of reference signal strength value that the reference signal strength value of detected said other base stations, terminal deducts said base station is less than second threshold value.
42. a base station is characterized in that, comprising:
The control information receiving element is used to receive the control information that send other base stations;
The control information transmitting element is used for the control information that the control information receiving element receives is sent to the terminal.
43. base station as claimed in claim 42 is characterized in that, the control information transmitting element specifically is used for through dedicated control signaling said control information being sent to the terminal.
44. base station as claimed in claim 43 is characterized in that, said dedicated control signaling is rrc layer signaling or MAC layer signaling.
45. base station as claimed in claim 42 is characterized in that, also comprises:
The triggering command transmitting element is used for before the control information receiving element receives said control information, sends to said other base stations to be used to indicate said other base stations to send the same frequency carrier aggregation mode of operation triggering command of said control information to said base station.
46. base station as claimed in claim 45 is characterized in that, said is ABS configuration-direct or handoff request signaling with frequency carrier aggregation mode of operation triggering command.
47. base station as claimed in claim 42 is characterized in that, also comprises:
Judging unit is used for after the control information transmitting element sends to the terminal with said control information, and it is preset with frequency carrier aggregation mode of operation stop condition to judge whether the reference signal measurement result of sending at the terminal satisfies; And
The halt instruction transmitting element is used for sending to the terminal and is used for indicating terminal and discharges the same frequency carrier aggregation mode of operation halt instruction that is connected between said other base stations and the terminal.
48. base station as claimed in claim 47; It is characterized in that; Said second with carrier aggregation mode of operation stop condition frequently be the reference signal strength value of detected said other base stations, terminal less than the 3rd threshold value, or the difference of reference signal strength value that the reference signal strength value of detected said base station, terminal deducts said other base stations is greater than the 4th threshold value.
49. a terminal is characterized in that, comprising:
The triggering command receiving element is used to receive the same frequency carrier aggregation mode of operation triggering command that carries cell ID that send second base station;
Linkage unit is used for after the triggering command receiving element receives said instruction, keeps being connected of said terminal and second base station, and sets up being connected between first base station of said terminal and the sub-district that covers said cell ID indication;
The control information receiving element; Being connected between the said terminal that is used for keeping and second base station based on linkage unit; Receive the control information that send second base station, and being connected between the said terminal of setting up based on linkage unit and first base station, the control information of first base station transmission received.
50. terminal as claimed in claim 49 is characterized in that, said control information receiving element specifically is used to receive the control information that send through dedicated control signaling second base station.
51. terminal as claimed in claim 50 is characterized in that, said dedicated control signaling is rrc layer signaling or MAC layer signaling.
52. terminal as claimed in claim 49 is characterized in that, said is to send to the ABS configuration-direct of UE or reshuffle signaling with frequency carrier aggregation mode of operation triggering command.
53. terminal as claimed in claim 49 is characterized in that, also comprises:
The measurement result transmitting element is used to obtain the reference signal measurement result, and the reference signal measurement result is sent to second base station;
The halt instruction receiving element is used to receive the same frequency carrier aggregation mode of operation halt instruction of second base station according to the reference signal measurement feedback of measurement result transmitting element transmission;
Connect releasing unit, be used for the said instruction that receives according to the halt instruction receiving element, discharge being connected between said terminal and first base station.
54. terminal as claimed in claim 49 is characterized in that, also comprises:
The measurement result transmitting element is used to obtain the reference signal measurement result, and the reference signal measurement result is sent to first base station;
The halt instruction receiving element is used to receive the same frequency carrier aggregation mode of operation halt instruction of first base station according to the reference signal measurement feedback of measurement result transmitting element transmission;
Connect releasing unit, be used for the said instruction that receives according to the halt instruction receiving element, discharge being connected between said terminal and second base station.
55., it is characterized in that said is the reconfiguration instructions of R10 with carrier aggregation mode of operation halt instruction frequently like claim 53 or 54 described terminals.
56. terminal as claimed in claim 49 is characterized in that, also comprises:
Updating block is used for the control information that receives according to the control information receiving element, upgrades the relevant configuration at said terminal.
57. terminal as claimed in claim 56 is characterized in that, being connected between the said terminal that said control information receiving element also is used for setting up based on linkage unit and first base station receives the control information of first base station transmission; And
Said updating block specifically is used for: according to first base station of control information receiving element reception, the control information that send respectively second base station, upgrade the relevant configuration at said terminal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100549405A CN102685796A (en) | 2011-03-08 | 2011-03-08 | Method and system for transmitting and receiving control information, base station and terminal |
| PCT/CN2012/071983 WO2012119541A1 (en) | 2011-03-08 | 2012-03-06 | Method, system, base station, and ue for transmitting and receiving control information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100549405A CN102685796A (en) | 2011-03-08 | 2011-03-08 | Method and system for transmitting and receiving control information, base station and terminal |
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| Publication Number | Publication Date |
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| CN102685796A true CN102685796A (en) | 2012-09-19 |
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| CN2011100549405A Pending CN102685796A (en) | 2011-03-08 | 2011-03-08 | Method and system for transmitting and receiving control information, base station and terminal |
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| WO (1) | WO2012119541A1 (en) |
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