CN102149168A - Method and device for determining physical downlink control channel (PDCCH) search space - Google Patents
Method and device for determining physical downlink control channel (PDCCH) search space Download PDFInfo
- Publication number
- CN102149168A CN102149168A CN2010101154140A CN201010115414A CN102149168A CN 102149168 A CN102149168 A CN 102149168A CN 2010101154140 A CN2010101154140 A CN 2010101154140A CN 201010115414 A CN201010115414 A CN 201010115414A CN 102149168 A CN102149168 A CN 102149168A
- Authority
- CN
- China
- Prior art keywords
- terminal
- described terminal
- search volume
- new logo
- control channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a method and a device for determining physical downlink control channel (PDCCH) search space. The method for determining PDCCH search space comprises the following steps of: sending the indication information carrying a new terminal identifier to a terminal, wherein the indication information is used for indicating the terminal to determine the dedicated PDCCH search space of the terminal according to the new identifier; and receiving the confirmation information sent from the terminal and determining the dedicated PDCCH search space of the terminal according to the new identifier of the terminal. By the invention, the occurrence of the dedicated PDCCH search space conflict of the terminal in a cell is reduced.
Description
Technical field
The present invention relates to communication technical field, relate in particular to method, the device of a kind of definite Physical Downlink Control Channel search volume.
Background technology
Long Term Evolution plan (Long Term Evolution, hereinafter to be referred as LTE) in the system, (Physical Downlink Control Channel is Downlink Control Information such as the resource location of the upstream data that sends to the base station of the resource location, terminal of the downlink data that sends of terminal and schedule information to terminal indication base station PDCCH) by Physical Downlink Control Channel in the base station.
(control channel element CCE) is unit to the physical resource of PDCCH transmission, i.e. 36 Resource Units (Resource Element) with the control channel unit.A PDCCH may take 1,2,4 or 8 CCE, and just to have four polymerization ranks (Aggregation Level) be respectively 1,2,4 and 8 to PDCCH.Search volume of each polymerization level definition comprises the proprietary PDCCH search volume of public PDCCH search volume and terminal.The base station is before terminal sends downlink data, when terminal sends PDCCH, C-RNTI (the Cell Radio Network TemporaryIdentifier) scrambling of terminal is arrived cyclic redundancy check (CRC) (the Cyclic Redundancy Check of PDCCH in the base station, CRC) on, and according to the method for determining the PDCCH search volume, obtain the starting point of the proprietary PDCCH search volume of terminal, PDCCH is placed on some available positions in the search volume of this starting point.At receiving terminal, be in the terminal of connection status, each subframe is all calculated the proprietary PDCCH search volume of self.Terminal is determined the starting point of proprietary PDCCH search volume according to self C-RNTI.
Computational methods according to existing PDCCH search volume, may make different C-RNTI calculate identical search volume, cause and to send PDCCH to this terminal, thereby the base station can't send PDCCH to terminal, cause the efficiency of transmission of data between base station and the terminal to descend.
Summary of the invention
The embodiment of the invention provides method, the device of a kind of definite Physical Downlink Control Channel search volume, has improved the efficient of transmission data between base station and the terminal.
The embodiment of the invention provides the method for a kind of definite Physical Downlink Control Channel search volume, comprising:
Send the indication information of the new logo carry described terminal to terminal, described indication information is used for indicating terminal according to described new logo, determines the proprietary Physical Downlink Control Channel search volume of described terminal;
After the confirmation of receipt information,, determine the proprietary Physical Downlink Control Channel search volume of described terminal according to the new logo of described terminal.
The embodiment of the invention also provides the method for a kind of definite Physical Downlink Control Channel search volume, comprising:
Receive the indication information of base station new logo that send, that carry described terminal, described indication information is used for indicating terminal according to described new logo, determines the proprietary Physical Downlink Control Channel search volume of described terminal;
Return confirmation according to described indication information to described base station, and, determine the proprietary Physical Downlink Control Channel search volume of described terminal according to described new logo.
The embodiment of the invention also provides the device of a kind of definite Physical Downlink Control Channel search volume, comprising:
Transceiver module, be used for sending the indication information of the new logo that carries described terminal to terminal, described indication information is used to indicate described terminal according to described new logo, determine the proprietary Physical Downlink Control Channel search volume of described terminal, with be used for after described terminal sends the new logo of described terminal, receive the affirmation information that described terminal sends according to described indication information;
Determination module after being used for described transceiver module and receiving the affirmation information that described terminal sends, according to the new logo of described terminal, is determined the proprietary Physical Downlink Control Channel search volume of described terminal.
The embodiment of the invention also provides a kind of terminal, comprising:
Transceiver module is used to receive the indication information of base station new logo that send, that carry described terminal; Described indication information is used to indicate described terminal according to described new logo, determines proprietary Physical Downlink Control Channel search volume and is used for the described indication information that basis receives, and sends confirmation to described base station;
Determination module is used for described transceiver module after described base station sends confirmation, determines the proprietary Physical Downlink Control Channel search volume of described terminal.
The method and apparatus of a kind of definite Physical Downlink Control Channel search volume that the embodiment of the invention provides, when the proprietary PDCCH of terminal conflicted with other terminal generation in the sub-district, the base station sent indication information to this terminal.To indicate this terminal when detecting PDCCH, determine the proprietary PDCCH search volume of this terminal.Thereby make terminal obtain the PDCCH signaling that the base station sends in this point search space.Therefore, present embodiment has reduced the phenomenon that proprietary PDCCH search volume generation conflicts between the terminal in the sub-district, has improved the efficiency of transmission of data between base station and the terminal.
The embodiment of the invention also provides the another kind of method of determining the Physical Downlink Control Channel search volume, comprising:
Obtain relevant with terminal, time dependent multidate information; Described multidate information is the product of the sign of System Frame Number and described terminal, perhaps the pseudo random number that generates for the random seed of making an appointment and pseudo-random number generation method;
According to the sign and the described multidate information of described terminal, determine the proprietary Physical Downlink Control Channel search volume of described terminal.
The embodiment of the invention also provides the another kind of device of determining the Physical Downlink Control Channel search volume, comprising:
Acquisition module is used to obtain relevant with terminal, time dependent multidate information; Described multidate information is the product of the sign of System Frame Number and described terminal, perhaps is the pseudo random number that predefined random seed and pseudo-random number generation method generate;
Determination module is used for the described multidate information that obtains according to described acquisition module, and the sign of described terminal, determines the proprietary Physical Downlink Control Channel search volume of described terminal.
The another kind that the embodiment of the invention provides is determined the method and apparatus of Physical Downlink Control Channel search volume, and sign will be relevant with terminal, time dependent multidate information and terminal is common as the parameter of determining the PDCCH search volume that terminal is proprietary.Because this multidate information is relevant with terminal and variation in time, therefore, different terminals, the probability that multidate information is identical is minimum.Thereby the probability that the proprietary PDCCH of the terminal search volume generation of determining according to this multidate information conflicts is also minimum.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is method embodiment one flow chart of a kind of definite Physical Downlink Control Channel of the present invention search volume;
Fig. 2 a is method embodiment two flow charts of a kind of definite Physical Downlink Control Channel of the present invention search volume;
Fig. 2 b is the data structure schematic diagram of MAC packet among the method embodiment two of a kind of definite Physical Downlink Control Channel of the present invention search volume;
Fig. 3 is method embodiment three flow charts of a kind of definite Physical Downlink Control Channel of the present invention search volume;
Fig. 4 is method embodiment four flow charts of a kind of definite Physical Downlink Control Channel of the present invention search volume;
Fig. 5 is method embodiment five flow charts of a kind of definite Physical Downlink Control Channel of the present invention search volume;
Fig. 6 is method embodiment six flow charts of a kind of definite Physical Downlink Control Channel of the present invention search volume;
Fig. 7 is another kind of method embodiment one flow chart of determining the Physical Downlink Control Channel search volume of the present invention;
Fig. 8 is another kind of method embodiment two flow charts of determining the Physical Downlink Control Channel search volume of the present invention;
Fig. 9 is another kind of method embodiment three flow charts of determining the Physical Downlink Control Channel search volume of the present invention;
Figure 10 is device embodiment one structural representation of a kind of definite Physical Downlink Control Channel of the present invention search volume;
Figure 11 is the another kind of device example structure schematic diagram of determining the Physical Downlink Control Channel search volume of the present invention;
Figure 12 is a kind of structural representation of terminal embodiment of the present invention;
Figure 13 is the another kind of structural representation of terminal embodiment of the present invention;
Figure 14 is the another kind of device example structure schematic diagram of determining the Physical Downlink Control Channel search volume of the present invention;
Figure 15 is the another kind of device example structure schematic diagram of determining the Physical Downlink Control Channel search volume of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme among the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention relates to definite method of the proprietary PDCCH search volume of terminal.
Fig. 1 is the flow chart of the method embodiment one of a kind of definite Physical Downlink Control Channel of the present invention search volume, and present embodiment determines to the embodiment of the invention that mainly from the base station angle method of PDCCH search volume is set forth.As shown in Figure 1, present embodiment comprises:
Step 11: send the indication information of the new logo of carried terminal to terminal, indication information is used for indicating terminal is determined terminal according to new logo proprietary PDCCH search volume;
Wherein, indicating terminal is determined the indication information of the proprietary PDCCH search volume of terminal according to new logo, can send in each course terminal of Radio interface protocols, for example, data link layer, physical layer or network layer.
Step 12: after receiving the affirmation information that terminal returns according to Indication message,, determine the proprietary PDCCH search volume of terminal according to the new logo of terminal.
Terminal is returned confirmation according to indication information to the base station after receiving the indication information of base station transmission.The base station receives this confirmation, shows that the new logo of terminal comes into force.
After the base station receives the affirmation information of terminal transmission, new logo according to terminal, redefine out the proprietary PDCCH search volume of terminal, and will be placed on some available positions in this search volume, from this search volume, obtain for terminal for the PDCCH order that terminal sends.
Particularly, the starting point of the proprietary PDCCH search volume of terminal is determined according to the new logo of terminal in the base station, and from this starting point, whether the continuous CCE of blind check 1,2,4 or 8 (the polymerization rank according to PDCCH is decided) is idle backward; If idle, then PDCCH is placed on this position.For four kinds of PDCCH sizes that take 1,2,4,8 CCE, the PDCCH of 1 CCE can be from any CCE position; The PDCCH of 2 CCE is from even number CCE position; The CCE position of the integral multiple of the PDCCH of 4 CCE since 4; The CCE position of the integral multiple of the PDCCH of 8 CCE since 8.
Be in the terminal of connection status, when detecting PDCCH, the new logo that issues in the indication information according to the base station calculates the starting point of proprietary PDCCH search volume.According to the polymerization rank of PDCCH,,, then therefrom obtain the PDCCH of base station for its transmission if certain CCE has data from this starting point 1,2,4 or 8 continuous CCE of blind check backward.
Table 1 is the candidate value (PDCCH candidatesmonitored by a UE) of UE monitoring PDCCH search volume in the LTE system:
The size of PDCCH search volume is definite according to table 1, and is as shown in table 1, supposes that the proprietary PDCCH of a terminal only accounts for 1 CCE, and the proprietary PDCCH search volume of terminal is 6 CCE so.Determine method according to existing PDCCH search volume, terminal is obtained the starting point Z of PDCCH search volume
KAfter, with Z
KWhether starting point is searched among thereafter 6 CCE, have the base station to send to the PDCCH of this terminal.If the starting point Z that obtains smaller or equal to 6 terminals
KIdentical, this moment can not conflict in the search volume.Because there are 6 CCE this search volume, can put the PDCCH of 6 terminals.
Yet, determine method according to existing PDCCH search volume, have 10 terminals of different C-RNTI, the starting point of its search volume all might corresponding Z
KThough the base station avoids PDCCH search volume proprietary between the terminal to produce conflict when being terminal distribution PDCCH search volume as far as possible.But the channel of terminal is constantly to change in the mobile network, still can occur because the restriction of the PDCCH number of the terminal that the PDCCH search volume can hold follow-up, causes sending to terminal the phenomenon of PDCCH.From the above, can only hold 6 terminals in above-mentioned space, then have 4 terminals and can't deposit PDCCH, the base station can't be placed on PDCCH the search volume of the PDCCH of this terminal correspondence, cause and to send PDCCH to this terminal, thereby the efficiency of transmission of data between base station and the terminal is descended.
The method of a kind of definite Physical Downlink Control Channel search volume that present embodiment provides, when conflict with the proprietary PDCCH search volume generation of other terminal in the sub-district in the proprietary PDCCH search volume of terminal, the base station sends indication information to this terminal, to indicate this terminal when detecting PDCCH, according to new logo, redefine the starting point of the proprietary PDCCH search volume of this terminal.Thereby make terminal begin to obtain the PDCCH order that the base station sends, reduced the phenomenon that proprietary PDCCH search volume generation conflicts between the terminal in the sub-district, improved the efficiency of transmission of data between base station and the terminal from this starting point.
In the foregoing description step 11, the base station has four kinds to the concrete mode that terminal sends indication information, in step 22, step 32, step 42 and the step 52 in following examples three to embodiment six, specifically describes respectively.In the LTE system, terminal iidentification is called C-RNTI, in following examples all with the sign of C-RNTI GC group connector.
Fig. 2 a is method embodiment two flow charts of a kind of definite Physical Downlink Control Channel of the present invention search volume, and shown in Fig. 2 a, present embodiment comprises:
Step 21: the proprietary PDCCH search volume of other terminal except that first terminal in the proprietary PDCCH search volume of first terminal and the sub-district is judged in the base station, whether produces conflict;
The base station is before first terminal sends the PDCCH order, if the starting point of the proprietary PDCCH search volume of other terminal in the starting point of the proprietary PDCCH search volume of first terminal and the sub-district except that first terminal is identical, the proprietary PDCCH search volume of first terminal produces with other terminal except that first terminal conflicts, and represents that promptly the number of terminals in the search volume that this starting point begins has reached the maximum number of terminals that can hold.
Step 22: the proprietary PDCCH search volume of other terminal in the proprietary PDCCH of first terminal and the sub-district except that first terminal produces when conflict, and the medium access control data bag of new C-RNTI is carried in the base station to the transmission of first terminal at medium access control layer;
Step 23: after the base station received the affirmation information that first terminal returns according to the MAC packet, the proprietary PDCCH search volume of first terminal was determined according to the new C-RNTI of terminal in the base station.
First terminal is returned confirmation to the base station after receiving the medium access control data bag of changing C-RNTI.The base station receives the confirmation information, shows in end side, and new C-RNTI comes into force.Then, the base station redefines the starting point of the proprietary PDCCH search volume of terminal according to new C-RNTI, thereby redefines the PDCCH search volume.
The base station is after first terminal has redefined proprietary PDCCH search volume, and the PDCCH signaling that will send for terminal is inserted in the proprietary PDCCH search volume of determining into terminal.
Below be the method for designing of MAC packet in the step 22:
At medium access control (Media Access Control, hereinafter to be referred as: MAC) layer, be designed for indication and change C-RNTI's, new Medium Access Control (MAC) Protocol Data Unit (Protocol Data Unit, hereinafter to be referred as PDU) MAC packet header, at present in the LTE system, the Logic Channel Identifier of MAC packet header correspondence (Logical Channel ID in the Physical Downlink Shared Channel, hereinafter to be referred as: LCID) Zhi operating position is as shown in table 2, wherein 01011-11011 is a reserved bit, can from reserved bit, choose a kind of, for example with 11011 control unit (the Media Access ControlControl Element that represent the medium access control of the C-RNTI that more renews, hereinafter to be referred as: MAC CE), be designed for the MAC CE of the new C-RNTI that deposits terminal, the form of MAC CE is as shown in table 3.
The LCID of MAC packet header correspondence in table 2 Physical Downlink Shared Channel
| Index | LCID?values |
| 00000 | CCCH |
| 00001-01010 | Identity?of?the?logical?channel |
| 01011-11011 | Reserved |
| 11100 | UE?Contention?Resolution?Identity |
| 11101 | Timing?Advance?Command |
| 11110 | DRX?Command |
| 11111 | Padding |
Table 3 indicating terminal is changed the MAC CE of C-RNTI
| Index | LCID?values |
| 00000 | CCCH |
| 00001-01010 | Identity?of?the?logical?channel |
| 01011-11010 | Reserved |
| 11011 | New?C-RNTI?MAC?CE |
| 11100 | UE?Contention?Resolution?Identity |
| 11101 | Timing?Advance?Command |
| 11110 | DRX?Command |
| 11111 | Padding |
With above MAC packet header and MAC CE form the medium access control protocol data cell (ProtocolData Unit, hereinafter to be referred as: MAC PDU).Fig. 2 b is the data structure schematic diagram that the embodiment of the invention is determined MAC packet among the Physical Downlink Control Channel search volume method embodiment two.Shown in Fig. 2 b, a MAC PDU is by a MAC PDU head, zero or a plurality of MAC CE, zero or a plurality of medium access control service data unit (Media Access Control, hereinafter to be referred as: Service DataUnit, hereinafter to be referred as: MAC SDU) constitute, a MAC head comprises zero or a plurality of MAC pdu header, each MAC pdu header is corresponding with adjacent MAC CE, or it is corresponding with a MAC SDU, or it is corresponding with a filler, putting in order and MAC packet header MACCE afterwards of MAC packet header, MAC SDU, putting in order of filler is identical, and corresponding one by one respectively.Receiver side just can be known the MAC CE that it is corresponding or the format location relevant information of MAC SDU or filling by MACPDU packet header, as the MAC packet header of reading is corresponding to a MAC CE after the MAC packet header, by this MAC packet header, can judge which kind of MAC CE can go out is.
To include new C-RNTI and change the indication information of C-RNTI, form MAC PDU packet at the MAC layer, this MAC PDU packet is sent to physical layer process after, send to the terminal that needs to change C-RNTI in subframe.
The method of a kind of definite PDCCH search volume that present embodiment provides, when the proprietary PDCCH of terminal conflicts with other terminal generation in the sub-district, to include the indication information and the new C-RNTI that change C-RNTI, form MAC PDU at the MAC layer, send to this terminal after this MAC PDU is sent to physical layer process.When making the PDCCH that this terminal base stations detected sends, determine the starting point of the proprietary PDCCH search volume of terminal according to new C-RNTI, to begin to obtain PDCCH from this starting point.The flow process that present embodiment is changed terminal C-RNTI is few, time delay is low, only sends and the relevant content of replacing C-RNTI, has saved resource.
Fig. 3 is method embodiment three flow charts of a kind of definite Physical Downlink Control Channel of the present invention search volume, and as shown in Figure 3, present embodiment comprises:
Step 31: judge the proprietary PDCCH search volume of other terminal except that first terminal in the proprietary PDCCH search volume of first terminal and the sub-district, whether produce conflict;
Step 32: other terminal in the proprietary PDCCH of first terminal and the sub-district except that first terminal produces when conflict, and the radio resource control signaling of new C-RNTI is carried in the base station to the transmission of first terminal at radio resource control layer;
In the present embodiment by Radio Resource control (Radio Resource Control, hereinafter to be referred as: RRC) the signaling terminal need be changed C-RNTI, and new C-RNTI.Specific implementation, can RRC connect increase in the reconfiguration message new information element (Information Element, hereinafter to be referred as: IE), in new IE, writing new C-RNTI.The position of new IE can be decided according to the LTE version.
Step 33: the base station receives after first terminal connects the affirmation information that the reprovision signaling returns according to RRC, according to the new C-RNTI of first terminal, determines the proprietary PDCCH search volume of terminal.
First terminal is returned confirmation to the base station after receiving the RRC signaling of changing C-RNTI.
The method of a kind of definite PDCCH search volume that present embodiment provides, when the proprietary PDCCH of current terminal conflicts with other terminal generation in the sub-district, to include the indication information and the new C-RNTI that change C-RNTI and be carried in the RRC signaling, send the RRC signaling of changing C-RNTI to terminal.When making the PDCCH that this terminal base stations detected sends, determine the starting point of the proprietary PDCCH search volume of terminal according to new C-RNTI, to begin to obtain PDCCH from this starting point.The flow process that present embodiment is changed terminal C-RNTI is few, time delay is low, only sends and the relevant content of replacing C-RNTI, has saved resource.
Fig. 4 is method embodiment four flow charts of a kind of definite Physical Downlink Control Channel of the present invention search volume, and as shown in Figure 4, present embodiment comprises:
Step 41: judge the proprietary PDCCH search volume of other terminal except that first terminal in the proprietary PDCCH search volume of first terminal and the sub-district, whether produce conflict;
Step 42: the proprietary PDCCH search volume of other terminal in the proprietary PDCCH of first terminal and the sub-district except that first terminal produces when conflict, sends the PDCCH that carries new C-RNTI to first terminal and orders;
Need change C-RNTI and new C-RNTI by PDCCH order notice terminal in the present embodiment.Because different DCI (Downlink Control Information) forms shows the purposes of corresponding PDCCH.DCI form among the existing LTE has DCI 0/1/1A/1B/1C/1D/2/2A/2B/3/3A, is respectively applied for uplink scheduling, descending scheduling and power control etc.Can change the PDCCH order of C-RNTI by the DCI design,
A kind of method is: design specialized is in the DCI form of changing C-RNTI.As adopt the DCI4 form, include new C-RNTI in the PDCCH of DCI4 and receive that it is the order of changing C-RNTI that the PDCCH of DCI4 form can judge when terminal.The base station still uses the former C-RNTI scrambling of terminal to the CRC of PDCCH, and concrete method of sending and receiving can be identical with the PDCCH of other form of using among the LTE.
Another kind method is: use existing DCI form.With DCI IB is example, and the value of bit Localized/Distributed VRB assignment flag is set to 0; The value of bit Resourceblock assignment is set to 1; The remaining information bit of former DCI 1B is used to represent new C-RNTI.After terminal receives PDCCH order, detect two thresholdings of front,, show that then this PDCCH order represents new C-RNTI for order and the remaining bit of changing C-RNTI if first is 0, the value of second portion all is 1.After terminal correctly detects this PDCCH order order for replacing C-RNTI, to the base station feedback confirmation.
Step 43: the proprietary PDCCH search volume of first terminal according to the new C-RNTI of first terminal, is determined after receiving first terminal affirmation information that order is returned according to PDCCH in the base station.
Terminal detects this PDCCH, and the correct back that receives obtains new C-RNTI, and to the base station feedback confirmation, as ACK.
The method of a kind of definite PDCCH search volume that present embodiment provides when the proprietary PDCCH of current terminal conflicts with other terminal generation in the sub-district, need be changed C-RNTI and new C-RNTI by PDCCH order notice terminal.When making the PDCCH that this terminal base stations detected sends, determine the starting point of the proprietary PDCCH search volume of terminal according to new C-RNTI, to begin to obtain PDCCH from this starting point.The PDCCH order can be adopted existing DCI form, also can adopt the newly-designed DCI form of changing C-RNTI that is exclusively used in.The flow process that present embodiment is changed terminal C-RNTI is few, time delay is low, only sends and the relevant content of replacing C-RNTI, has saved resource.
Fig. 5 is method embodiment five flow charts of a kind of definite Physical Downlink Control Channel of the present invention search volume, and as shown in Figure 5, present embodiment comprises:
Step 51: judge the proprietary PDCCH search volume of other terminal except that first terminal in the proprietary PDCCH search volume of first terminal and the sub-district, whether produce conflict;
Step 52: when conflict in the proprietary PDCCH search volume of other terminal in the proprietary PDCCH search volume of first terminal and the sub-district except that first terminal, notify first terminal to initiate to insert at random;
The base station notifies first terminal to insert at random, and advice method can adopt existing PDCCH order notice among the LTE, or adopts the high-level signaling notice.Inserting at random can be non-competing access at random, also can be the access at random of competition.
Step 53: in the first terminal random access procedure, send the indication information that carries new C-RNTI to first terminal;
Initiate to send the indication information that carries new C-RNTI to first terminal in the random access procedure in first terminal, indicate first terminal, determine proprietary PDCCH search volume according to new C-RNTI;
Step 54:, determine the proprietary PDCCH search volume of first terminal according to the new C-RNTI of first terminal.
In the first terminal random access procedure, send indication information, specific as follows:
First terminal is according to the notice of access at random of base station, and judgement is to initiate non-competing access at random, still initiates the access at random based on competition.
If non-competing access at random, having only this moment needs to change first terminal of C-RNTI at access network.The base station sends the accidental access response information of carrying new C-RNTI to first terminal behind the accidental access response that receives the transmission of first terminal.This accidental access response information is used to notify first terminal to change C-RNTI.
Particularly: the MAC bag of LTE accidental access response is as shown in table 4, does not use in Temporary C-RNTI territory in general access at random, be set to ' 0 ' as this territory, represent that then this territory is employed purposes in the existing LTE agreement, if be set to an effective C-RNTI, representing then that this inserts at random is used to change C-RNTI, and the content in this territory is new C-RNTI.When first terminal is receiving accidental access response information after inserting at random,, think then that this inserts at random and be used to notify first terminal to change C-RNTI if detecting Temporary C-RNTI territory is effective value.After terminal received new C-RNTI, to base station feedback confirmation such as ACK, new C-RNTI came into force after the base station is confirmed.
The MAC bag of table 4 accidental access response
If competition inserts at random, have a plurality of terminals and initiate to insert at random to the base station simultaneously, and the base station has notified the terminal that needs to change C-RNTI also can initiate to insert at random; The MAC bag of the accidental access response that the base station sends is as shown in table 4, and wherein Temporary C-RNTI can be used for representing the value of new C-RNTI; May a plurality of terminals can both receive the accidental access response information that the base station sends, the C-RNTI that terminal can used oneself sends to the base station; The base station judges whether to change into needs first terminal of C-RNTI, if then issue new C-RNTI to first terminal according to the C-RNTI of terminal.
The method of a kind of definite PDCCH search volume that present embodiment provides when the proprietary PDCCH of terminal conflicts with other terminal generation in the sub-district, need be changed C-RNTI and new C-RNTI in random access procedure notice terminal.When making the PDCCH that this terminal base stations detected sends, determine the starting point of the proprietary PDCCH search volume of terminal according to new C-RNTI, to begin to obtain PDCCH from this starting point.Present embodiment can also can be notified terminal C-RNTI at the terminal challenge random access procedure in the non-competing random access procedure of terminal.The flow process of changing terminal C-RNTI is few, time delay is low, only sends and the relevant content of replacing C-RNTI, has saved resource.
Fig. 6 is method embodiment six flow charts of a kind of definite Physical Downlink Control Channel of the present invention search volume, and the executive agent of present embodiment is a terminal.As shown in Figure 6, present embodiment comprises:
Step 61: terminal receives base station indication information that send, the carried terminal new logo; Indication information is used for indicating terminal according to new logo, determines the proprietary Physical Downlink Control Channel search volume of terminal.
Step 62: return confirmation according to indication information to the base station, and, determine the proprietary Physical Downlink Control Channel search volume of terminal according to new logo.
Terminal is returned confirmation according to indication information to the base station.The base station receives this confirmation, shows that the new logo of terminal comes into force.
The detailed description of relevant present embodiment does not repeat them here referring to the corresponding embodiment of Fig. 1.
In step 61, terminal can receive the indication information that the base station sends by any one deck in the Radio interface protocols layer, and concrete approach can have following four kinds:
First kind:, receive base station MAC packet that send, the carried terminal new logo at the MAC layer.Specifically, do not repeat them here referring to describing among the corresponding embodiment of Fig. 2.
Second kind:, receive base station RRC that send, the carried terminal new logo and connect the reprovision signaling at rrc layer.Specifically, do not repeat them here referring to describing among the corresponding embodiment of Fig. 3.
The third: in physical layer, receive base station PDCCH signaling that send, the carried terminal new logo.Specifically, do not repeat them here referring to describing among the corresponding embodiment of Fig. 4.
The 4th kind: in the terminal random access procedure, receive base station indication information that send, the carried terminal new logo.Specifically, do not repeat them here referring to describing among the corresponding embodiment of Fig. 5.
The method of a kind of definite PDCCH search volume that present embodiment provides, when conflict with the proprietary PDCCH search volume generation of other terminal in the sub-district in the proprietary PDCCH search volume of terminal, terminal receives the indication information that the base station sends, this indication information indicating terminal is when detecting PDCCH, according to new logo, determine the proprietary PDCCH search volume of this terminal.Thereby make terminal obtain the PDCCH order that the base station sends from this space, reduced the phenomenon that proprietary PDCCH search volume generation conflicts between the terminal in the sub-district, improved the efficiency of transmission of data between base station and the terminal.
Fig. 7 is another kind of method embodiment one flow chart of determining the Physical Downlink Control Channel search volume of the present invention, and the executive agent of present embodiment is the base station, also can be terminal.As shown in Figure 7, present embodiment comprises:
Step 71: obtain relevant with terminal, time dependent multidate information; Multidate information is the product of the sign of System Frame Number and terminal, perhaps is the pseudo random number that predefined random seed and pseudo-random number generation method generate;
System Frame Number is different, thereby, the sign of terminal and the product of System Frame Number are relevant with terminal and change over time.In addition, base station and terminal can be arranged random seed in advance and be generated the method for random number, and when the proprietary PDCCH search volume of computing terminal, base station and terminal mode by appointment generates pseudo random number, so the pseudo random number that both sides generate is identical.
In the present embodiment, determine the method and the parameter of the PDCCH search volume that terminal is proprietary by the base station.For example, the base station is defined as " sign of terminal and the product of System Frame Number " a kind of parameter of the proprietary PDCCH search volume of computing terminal.Then terminal according to method identical with the base station and identical parameter (sign of terminal and the product of System Frame Number), is calculated proprietary PDCCH search volume when detecting PDCCH.
Step 72:, determine the proprietary PDCCH search volume of terminal according to sign and this multidate information of terminal.
Wherein, the sign of terminal can be the C-RNTI of terminal.With sign and this multidate information of terminal, as the parameter of the proprietary search volume of computing terminal, with the proprietary PDCCH search volume of terminal that the sign of avoiding main terminal calculates, the PDCCH search volume generation proprietary with other terminal conflicts jointly.
The another kind that present embodiment provides is determined PDCCH search volume method, and sign will be relevant with terminal, time dependent multidate information and terminal is common as the parameter of determining the PDCCH search volume that terminal is proprietary.Because this multidate information is relevant with terminal and variation in time, therefore, different terminals, the probability that multidate information is identical is minimum.Thereby the probability that the proprietary PDCCH of the terminal search volume generation of determining according to this multidate information conflicts is also minimum.
Fig. 8 is another kind of method embodiment two flow charts of determining the Physical Downlink Control Channel search volume of the present invention.On the basis of the foregoing description, if multidate information is the sign of terminal and the product of System Frame Number, present embodiment comprises:
Step 81: obtain System Frame Number;
The base station is by non-dynamic broadcast mode, Periodic Notice terminal system frame number.
Step 82: the product that obtains the sign of System Frame Number and terminal;
Step 83: the product according to the sign of the sign of terminal and System Frame Number and terminal, obtain first hashed value.
Wherein, in the step 83, obtain first hashed value and comprise: to the sign of terminal, and the product of the sign of System Frame Number and terminal, carry out modular arithmetic, obtain first hashed value.The concrete formula 1 that adopts obtains first hashed value.
Z
K=(Y
K+ SFN
Num* mod floor (N C-RNTI)
CCE/ L
PDCCH), (formula 1)
Wherein, Y
K=A*Y
K-1Mod D, K represents subframe numbers, Y
-1={ C-RNTI}, A=39827, D=65537, mod represent to round N except that leaving and taking surplus computing under floor represents
CCEExpression subframe K, promptly System Frame Number is according to 10 milliseconds of divisions, is each millisecond in 10 milliseconds the number of CCE in the subframe further again; L
PDCCHExpression sends the CCE number that PDCCH takies, the candidate value be 1,2,4,8}, CCE is a transmission PDCCH least resource unit, SFN
NumBe System Frame Number.Input parameter is whole CCE number and subframe numbers in C-RNTI, the Aggregation Level (polymer grade) of product, the terminal of the C-RNTI of terminal and current System Frame Number, the subframe.
Step 84:, determine the proprietary PDCCH search volume of terminal according to first hashed value.
With the sign of terminal and the product of System Frame Number,, can reduce the Z that different terminals calculates greatly as the parameter of formula 1
KBe worth identical probability.With the first hashed value Z
KAs the starting point of the proprietary search volume of terminal, the base station is placed on this starting point certain CCE afterwards with PDCCH; Terminal begins several CCE of blind check backward from this starting point, then takes out as the PDCCH that wherein is placed with this terminal.
The another kind that present embodiment provides is determined the method for PDCCH search volume, System Frame Number is combined with the C-RNTI of terminal, as the parameter of calculating the PDCCH search volume.Because System Frame Number is constantly to change in time, System Frame Number is combined with the C-RNTI of terminal, calculate the PDCCH search volume, the PDCCH search volume that can reduce different terminals hashes to the probability of same position, thereby helps improving the efficient of transmission data between base station and the terminal.
Fig. 9 is another kind of method embodiment three flow charts of determining the Physical Downlink Control Channel search volume of the present invention.Multidate information in the present embodiment is the pseudo random number that base station and terminal generate according to the method for making an appointment.As shown in Figure 9, present embodiment comprises:
Step 91:, generate pseudo random number according to random seed of making an appointment and pseudo-random number generation method;
Step 92:, obtain second hashed value according to the sign and the pseudo random number of terminal;
Wherein, in the step 92, obtain second hashed value, comprising: to the sign and the pseudo random number of terminal, carry out modular arithmetic, obtain second hashed value.The concrete formula 2 that adopts obtains second hashed value.
Z
K=(Y
K+ PSN) mod floor (N
CCE/ L
PDCCH) (formula 2)
Wherein, Y
K=A*Y
K-1Mod D; K represents subframe numbers; Y
-1={ C-RNTI}; A=39827, D=65537; Mod represents except that leaving and taking surplus computing; Under representing, floor rounds; N
CCEThe number of CCE among the expression subframe K; L
PDCCHExpression sends the CCE number that PDCCH takies, the candidate value be 1,2,4,8}; CCE sends PDCCH least resource unit; PSN is a pseudo random number.The input of modular arithmetic comprises: altogether CCE number and subframe numbers in the C-RNTI of above-mentioned generation pseudo random number, terminal, Aggregation Level (polymer grade), the subframe.
Because, the pseudo random number difference that different terminals produces, thereby, the Z that formula 2 calculates
KIdentical probability is minimum.
Step 93:, determine the PDCCH search volume that terminal is proprietary according to second hashed value.
With the second hashed value Z
K, as the starting point of the proprietary search volume of terminal.For the base station, PDCCH is placed on this starting point certain CCE afterwards; For terminal, begin several CCE of blind check backward from this starting point, then take out as the PDCCH that wherein is placed with oneself.
Present embodiment provides another kind of definite PDCCH the method for search volume, with the parameter of pseudo random number as calculating PDCCH search volume.Because the random seed difference of different terminals, it is also different to generate the pseudo random number method, then the pseudo random number of Sheng Chenging is also inequality, thereby, according to pseudo random number, calculate the PDCCH search volume, the PDCCH search volume that can reduce different terminals hashes to the probability of same position, thereby helps improving the efficient of transmission data between base station and the terminal.
Figure 10 is device embodiment one structural representation of a kind of definite Physical Downlink Control Channel of the present invention search volume, and as shown in figure 10, present embodiment comprises: transceiver module 101 and determination module 102.
The working mechanism of each module does not repeat them here referring to the description of the corresponding embodiment of Fig. 1 in the present embodiment.
Wherein, as shown in figure 11, transceiver module comprises first submodule 1011 and second submodule 1012.
Wherein, first submodule 1011 is used at the Radio interface protocols layer, sends the indication information of the new logo of carried terminal to terminal.
Particularly, first submodule 1011 is used in MAC layer, sends the media interviews control data bag of the new logo carry terminal to terminal, and the affirmation information that sends according to media interviews control data bag of receiving terminal; Or be used at radio resource control layer, send the Radio Resource control connection reprovision signaling of the new logo carry terminal to terminal, and the affirmation information returned according to Radio Resource control connection reprovision signaling of receiving terminal; Or be used in physical layer, send the physical downlink control channel commands of the new logo carry terminal to terminal, and the affirmation information returned according to physical downlink control channel commands of receiving terminal.
The working mechanism of first submodule 1011 does not repeat them here referring to the description of Fig. 2,3,4 corresponding embodiment.
Wherein, second submodule 1012 is used for sending to terminal and inserts notice at random, in the terminal random access procedure, sends the indication information of the new logo that carries terminal to terminal, according to new logo, determines the proprietary PDCCH search volume of terminal with indicating terminal.
Particularly, second submodule 1012 sends to terminal and inserts notice at random, in the terminal random access procedure, sends the indication information of the new logo that carries terminal to terminal.Second submodule 1012 is after sending indication information to terminal, and receiving terminal is according to the affirmation information of indication information transmission.Determination module 102 according to the new logo of terminal, is determined the proprietary Physical Downlink Control Channel search volume of terminal after second submodule 1012 receives the affirmation information of terminal according to the indication information transmission.
The working mechanism of second submodule 1012 does not repeat them here referring to the description of the corresponding embodiment of Fig. 5.
The embodiment of the invention is determined the device of PDCCH search volume, and transceiver module 101 sends indication information to terminal.To indicate the new logo of this terminal, determine the starting point of the proprietary PDCCH search volume of this terminal according to terminal.After transceiver module 101 received the affirmation information that terminal returns according to indication information, determination module 102 was determined the proprietary PDCCH search volume of terminals.Thereby make terminal obtain the PDCCH order from this space.Therefore, reduce the phenomenon that proprietary PDCCH search volume generation conflicts between the terminal in the sub-district, improved the efficiency of transmission of data between base station and the terminal.
Figure 12 is a kind of structural representation of terminal embodiment of the present invention, as shown in figure 12, comprising:
Wherein, (Figure 13 is the another kind of structural representation of terminal embodiment of the present invention) as shown in figure 13, transceiver module comprises:
Particularly, first submodule 1211 is used in MAC layer, sends the media interviews control data bag of the new logo that carries terminal to terminal; Or be used at radio resource control layer, send the Radio Resource control connection reprovision signaling of the new logo that carries terminal to terminal; Or be used in physical layer, send the physical downlink control channel commands of the new logo that carries terminal to terminal.
The working mechanism of first submodule 1211 does not repeat them here referring to 5 and the description of the corresponding embodiment of Fig. 6.
Particularly, second submodule 1212 receives the indication information of the new logo that carries terminal of base station transmission in random access procedure.Second submodule 1212 sends confirmation according to the indication information that receives to the base station.Determination module 122 after the base station sends confirmation, is determined the proprietary Physical Downlink Control Channel search volume of terminal at second submodule 1212.
The working mechanism of each module does not repeat them here referring to the description of Fig. 5 and the corresponding embodiment of Fig. 6 in the present embodiment.
A kind of terminal that present embodiment provides receives the indication information of base station new logo that send, carried terminal by transceiver module 121.Determination module 122 after the base station sends confirmation, is determined the proprietary Physical Downlink Control Channel search volume of terminal at transceiver module 121.Make terminal obtain the PDCCH order that the base station sends from this space, reduced the phenomenon that proprietary PDCCH search volume generation conflicts between the terminal in the sub-district, improved the efficiency of transmission of data between base station and the terminal.
Figure 14 is the another kind of device example structure schematic diagram of determining the Physical Downlink Control Channel search volume of the present invention, and as shown in figure 14, this device comprises:
Each function operation mechanism of present embodiment does not repeat them here referring to describing among the corresponding embodiment of Fig. 7.
Wherein, (Figure 15 is the another kind of device example structure schematic diagram of determining the Physical Downlink Control Channel search volume of the present invention) as shown in figure 15, this determination module 142 comprises:
Determine submodule 1422, be used for the hashed value obtained according to the hash submodule, determine the proprietary Physical Downlink Control Channel search volume of terminal.
Particularly, the sign of the terminal that hash submodule 1421 obtains according to acquisition module 141 and the product of System Frame Number, and the sign of terminal obtain first hashed value.For example, the sign of 1421 pairs of terminals of hash submodule and the product of System Frame Number, and the sign of terminal carry out modular arithmetic, obtain first hashed value.Determine submodule 1422 according to first hashed value that hash submodule 1421 obtains, determine the proprietary Physical Downlink Control Channel search volume of terminal.
The pseudo random number that hash submodule 1421 can obtain according to acquisition module 141 and the sign of terminal are obtained second hashed value.Pseudo random number is obtained according to the random seed and the pseudo-random number generation method of making an appointment by acquisition module 141.For example, the sign of 1421 pairs of pseudo random numbers of hash submodule and terminal is carried out modular arithmetic, obtains second hashed value.Determine submodule 1422 according to second hashed value that hash submodule 1421 obtains, determine the proprietary Physical Downlink Control Channel search volume of terminal.
Each function operation mechanism of present embodiment does not repeat them here referring to describing among Fig. 8 and the corresponding embodiment of Fig. 9.
The another kind that present embodiment provides is determined PDCCH search volume device, determination module 142 is with acquisition module 141 relevant with terminal, time dependent multidate informations that obtain, with the sign of terminal, common as the parameter of determining the PDCCH search volume that terminal is proprietary.Because this multidate information is relevant with terminal and variation in time, different terminals, the probability that multidate information is identical is minimum.Thereby the probability that the proprietary PDCCH of the terminal search volume generation of determining according to this multidate information conflicts is also minimum.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (21)
1. the method for definite Physical Downlink Control Channel search volume is characterized in that, comprising:
Send the indication information of the new logo carry described terminal to terminal, described indication information is used to indicate described terminal according to described new logo, determines the proprietary Physical Downlink Control Channel search volume of described terminal;
Receive the affirmation information that described terminal sends,, determine the proprietary Physical Downlink Control Channel search volume of described terminal according to the new logo of described terminal.
2. according to the described method of claim 1, it is characterized in that, describedly send the indication information of the new logo carry described terminal, comprising to terminal:
At the Radio interface protocols layer, send the indication information of the new logo that carries described terminal to described terminal.
3. according to the described method of claim 2, it is characterized in that, described at the Radio interface protocols layer, send the indication information of the new logo that carries described terminal to described terminal, comprising:
In MAC layer, send the media interviews control data bag of the new logo that carries described terminal to described terminal; Perhaps
At radio resource control layer, send the Radio Resource control connection reprovision signaling of the new logo that carries described terminal to described terminal; Perhaps
In physical layer, send the physical downlink control channel commands of the new logo that carries described terminal to described terminal.
4. according to the described method of claim 1, it is characterized in that, describedly send the indication information of the new logo carry described terminal, comprising to terminal:
Insert notice at random to described terminal transmission, in described terminal random access procedure, send the indication information of the new logo that carries described terminal to described terminal.
5. the method for definite Physical Downlink Control Channel search volume is characterized in that, comprising:
Receive the indication information of base station new logo that send, carried terminal, described indication information is used to indicate described terminal according to described new logo, determines the proprietary Physical Downlink Control Channel search volume of described terminal;
Return confirmation according to described indication information to described base station, and, determine the proprietary Physical Downlink Control Channel search volume of described terminal according to described new logo.
6. according to the described method of claim 5, it is characterized in that the indication information of described reception base station new logo that send, that carry described terminal comprises:
At the Radio interface protocols layer, receive the indication information of base station new logo that send, that carry described terminal.
7. according to the described method of claim 6, it is characterized in that described at the Radio interface protocols layer, the indication information of reception base station new logo that send, that carry described terminal comprises:
In MAC layer, receive the media interviews control data bag of described base station new logo that send, that carry described terminal; Perhaps
In network layer, receive the Radio Resource control connection reprovision signaling of described base station new logo that send, that carry described terminal; Perhaps,
In physical layer, receive the physical downlink control channel commands of described base station new logo that send, that carry described terminal.
8. according to the described method of claim 5, it is characterized in that the indication information of described reception base station new logo that send, that carry described terminal comprises:
In random access procedure, receive the indication information of the new logo that carries described terminal of described base station transmission.
9. the method for definite Physical Downlink Control Channel search volume is characterized in that, comprising:
Obtain relevant with terminal, time dependent multidate information, described multidate information is the product of the sign of System Frame Number and described terminal, perhaps is the pseudo random number that predefined random seed and pseudo-random number generation method generate;
According to the sign and the described multidate information of described terminal, determine the proprietary Physical Downlink Control Channel search volume of described terminal.
10. according to the described method of claim 9, it is characterized in that, if when described multidate information is the product of sign of System Frame Number and described terminal, described sign and described multidate information according to described terminal, determine the proprietary Physical Downlink Control Channel search volume of described terminal, comprising:
According to the sign of described terminal, and the product of the sign of described System Frame Number and described terminal, first hashed value obtained;
According to described first hashed value, determine the proprietary Physical Downlink Control Channel search volume of described terminal.
11., it is characterized in that described first hashed value of obtaining comprises according to the described method of claim 10:
To the sign of described terminal, and the product of the sign of described System Frame Number and described terminal, carry out modular arithmetic, obtain described first hashed value.
12. according to the described method of claim 9, it is characterized in that, during the pseudo random number that if described multidate information is the random seed of making an appointment and pseudo-random number generation method to be generated, described sign and described multidate information according to described terminal, determine the proprietary Physical Downlink Control Channel search volume of described terminal, comprising:
According to the sign and the described pseudo random number of described terminal, obtain second hashed value;
According to described second hashed value, determine the proprietary Physical Downlink Control Channel search volume of described terminal.
13., it is characterized in that described second hashed value of obtaining comprises according to the described method of claim 12:
To the sign and the described pseudo random number of described terminal, carry out modular arithmetic, obtain described second hashed value.
14. the device of definite Physical Downlink Control Channel search volume is characterized in that, comprising:
Transceiver module, be used for sending the indication information of the new logo that carries described terminal to terminal, described indication information is used to indicate described terminal according to described new logo, determine the proprietary Physical Downlink Control Channel search volume of described terminal, with be used for after described terminal sends the new logo of described terminal, receive the affirmation information that described terminal sends according to described indication information;
Determination module after being used for described transceiver module and receiving the affirmation information that described terminal sends, according to the new logo of described terminal, is determined the proprietary Physical Downlink Control Channel search volume of described terminal.
15., it is characterized in that described transceiver module comprises according to the described device of claim 14:
First submodule is used at the Radio interface protocols layer, sends the indication information of the new logo that carries described terminal to described terminal; Or,
Second submodule is used for inserting notice at random to described terminal transmission, in described terminal random access procedure, sends the indication information of the new logo that carries described terminal to described terminal.
16. according to the described device of claim 15, it is characterized in that,
Described first submodule specifically is used in MAC layer, sends the media interviews control data bag of the new logo that carries described terminal to described terminal; Or be used at radio resource control layer, send the Radio Resource control connection reprovision signaling of the new logo that carries described terminal to described terminal; Or be used in physical layer, send the physical downlink control channel commands of the new logo that carries described terminal to described terminal.
17. a terminal is characterized in that, comprising:
Transceiver module is used to receive the indication information of base station new logo that send, that carry described terminal; Described indication information is used to indicate described terminal according to described new logo, determines proprietary Physical Downlink Control Channel search volume and is used for the described indication information that basis receives, and sends confirmation to described base station;
Determination module is used for described transceiver module after described base station sends confirmation, determines the proprietary Physical Downlink Control Channel search volume of described terminal.
18., it is characterized in that described transceiver module comprises according to the described terminal of claim 17:
First submodule is used at the Radio interface protocols layer, receives the indication information of described base station new logo that send, that carry described terminal; Or,
Second submodule is used at random access procedure, receives the indication information of the new logo that carries described terminal of described base station transmission.
19., it is characterized in that described first submodule specifically is used in MAC layer according to the described terminal of claim 18, receive the media interviews control data bag of described base station new logo that send, that carry described terminal; Or be used in network layer, receive the Radio Resource control connection reprovision signaling of described base station new logo that send, that carry described terminal; Or be used in physical layer, receive the physical downlink control channel commands of described base station new logo that send, that carry described terminal.
20. the device of definite Physical Downlink Control Channel search volume is characterized in that, comprising:
Acquisition module is used to obtain relevant with terminal, time dependent multidate information; Described multidate information is the product of the sign of System Frame Number and described terminal, perhaps the pseudo random number that generates for the random seed of making an appointment and pseudo-random number generation method;
Determination module is used for the described multidate information that obtains according to described acquisition module, and the sign of described terminal, determines the proprietary Physical Downlink Control Channel search volume of described terminal.
21., it is characterized in that described determination module comprises according to the described device of claim 20:
The hash submodule is used for the multidate information that obtains according to described acquisition module, and the sign of described terminal, obtains hashed value;
Determine submodule, be used for the described hashed value obtained according to described hash submodule, determine the proprietary Physical Downlink Control Channel search volume of described terminal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010115414.0A CN102149168B (en) | 2010-02-09 | 2010-02-09 | Method and device for determining physical downlink control channel (PDCCH) search space |
| PCT/CN2011/070800 WO2011098010A1 (en) | 2010-02-09 | 2011-01-30 | Method and device for determining physical downlink control channel (pdcch) search space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010115414.0A CN102149168B (en) | 2010-02-09 | 2010-02-09 | Method and device for determining physical downlink control channel (PDCCH) search space |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102149168A true CN102149168A (en) | 2011-08-10 |
| CN102149168B CN102149168B (en) | 2014-11-05 |
Family
ID=44367265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010115414.0A Active CN102149168B (en) | 2010-02-09 | 2010-02-09 | Method and device for determining physical downlink control channel (PDCCH) search space |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102149168B (en) |
| WO (1) | WO2011098010A1 (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355340A (en) * | 2011-08-12 | 2012-02-15 | 中兴通讯股份有限公司 | Method and device for transmitting and receiving downlink control information |
| CN102711270A (en) * | 2012-06-19 | 2012-10-03 | 张家港市鸿嘉数字科技有限公司 | Transmitting method of physical downlink control channel (PDCCH) |
| WO2013037272A1 (en) * | 2011-09-15 | 2013-03-21 | 华为技术有限公司 | Method, user equipment, and base station for transmitting scheduling information |
| WO2014000165A1 (en) * | 2012-06-26 | 2014-01-03 | 华为技术有限公司 | Information transmission method, network node, user equipment and system |
| CN103814618A (en) * | 2011-09-28 | 2014-05-21 | 夏普株式会社 | Wireless communication system, mobile station apparatus, base station apparatus, wireless communication method, and integrated circuit |
| WO2015109521A1 (en) * | 2014-01-24 | 2015-07-30 | 华为技术有限公司 | Coverage enhancement transmission apparatus, system and method for system message |
| CN108029130A (en) * | 2015-09-25 | 2018-05-11 | 索尼公司 | The reduction of crc field in succinct DCI message of the inexpensive MTC device on M-PDCCH |
| CN108809579A (en) * | 2017-05-05 | 2018-11-13 | 华为技术有限公司 | Resource allocation method, device and system |
| CN109247078A (en) * | 2017-05-03 | 2019-01-18 | 北京小米移动软件有限公司 | Reception, sending method and the device of down control channel |
| CN109743147A (en) * | 2012-11-01 | 2019-05-10 | 华为技术有限公司 | The method and apparatus for determining control channel search space |
| CN110730465A (en) * | 2018-07-16 | 2020-01-24 | 普天信息技术有限公司 | Method for enhancing consistency of reconfiguration resources of LTE230 system |
| CN110972269A (en) * | 2018-09-28 | 2020-04-07 | 普天信息技术有限公司 | Offset configuration method and device for user-specific search space |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114071713A (en) * | 2020-07-31 | 2022-02-18 | 华为技术有限公司 | Paging method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009057283A1 (en) * | 2007-10-29 | 2009-05-07 | Panasonic Corporation | Wireless communication base station apparatus, and wireless communication mobile station apparatus and control channel allocation method |
| WO2009104848A1 (en) * | 2008-02-19 | 2009-08-27 | Lg Electronics Inc. | Method for transmitting and receiving control information through pdcch |
| CN101600206A (en) * | 2008-06-03 | 2009-12-09 | 华硕电脑股份有限公司 | The method and the device of the exclusive search space of decision physical downlink control channel |
-
2010
- 2010-02-09 CN CN201010115414.0A patent/CN102149168B/en active Active
-
2011
- 2011-01-30 WO PCT/CN2011/070800 patent/WO2011098010A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009057283A1 (en) * | 2007-10-29 | 2009-05-07 | Panasonic Corporation | Wireless communication base station apparatus, and wireless communication mobile station apparatus and control channel allocation method |
| WO2009104848A1 (en) * | 2008-02-19 | 2009-08-27 | Lg Electronics Inc. | Method for transmitting and receiving control information through pdcch |
| CN101600206A (en) * | 2008-06-03 | 2009-12-09 | 华硕电脑股份有限公司 | The method and the device of the exclusive search space of decision physical downlink control channel |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355340B (en) * | 2011-08-12 | 2017-02-08 | 中兴通讯股份有限公司 | method and device for transmitting and receiving downlink control information |
| CN102355340A (en) * | 2011-08-12 | 2012-02-15 | 中兴通讯股份有限公司 | Method and device for transmitting and receiving downlink control information |
| WO2013037272A1 (en) * | 2011-09-15 | 2013-03-21 | 华为技术有限公司 | Method, user equipment, and base station for transmitting scheduling information |
| CN103814618A (en) * | 2011-09-28 | 2014-05-21 | 夏普株式会社 | Wireless communication system, mobile station apparatus, base station apparatus, wireless communication method, and integrated circuit |
| CN102711270A (en) * | 2012-06-19 | 2012-10-03 | 张家港市鸿嘉数字科技有限公司 | Transmitting method of physical downlink control channel (PDCCH) |
| WO2014000165A1 (en) * | 2012-06-26 | 2014-01-03 | 华为技术有限公司 | Information transmission method, network node, user equipment and system |
| CN109743147B (en) * | 2012-11-01 | 2023-12-08 | 华为技术有限公司 | Method and device for determining control channel search space |
| CN109743147A (en) * | 2012-11-01 | 2019-05-10 | 华为技术有限公司 | The method and apparatus for determining control channel search space |
| CN105379360A (en) * | 2014-01-24 | 2016-03-02 | 华为技术有限公司 | Coverage enhancement transmission apparatus, system and method for system message |
| US10880818B2 (en) | 2014-01-24 | 2020-12-29 | Huawei Technologies Co., Ltd. | Coverage enhancement transmission apparatus, system, and method for system information |
| WO2015109521A1 (en) * | 2014-01-24 | 2015-07-30 | 华为技术有限公司 | Coverage enhancement transmission apparatus, system and method for system message |
| CN110213746A (en) * | 2014-01-24 | 2019-09-06 | 华为技术有限公司 | A kind of coverage enhancement transmitting device of system message, system and method |
| CN108029130A (en) * | 2015-09-25 | 2018-05-11 | 索尼公司 | The reduction of crc field in succinct DCI message of the inexpensive MTC device on M-PDCCH |
| CN108029130B (en) * | 2015-09-25 | 2021-12-14 | 索尼公司 | Method for reducing CRC field in compact DCI of low-cost MTC device on M-PDCCH |
| CN109247078A (en) * | 2017-05-03 | 2019-01-18 | 北京小米移动软件有限公司 | Reception, sending method and the device of down control channel |
| CN109247078B (en) * | 2017-05-03 | 2019-12-06 | 北京小米移动软件有限公司 | method and device for receiving and sending downlink control channel |
| US11382084B2 (en) | 2017-05-03 | 2022-07-05 | Beijing Xiaomi Mobile Software Co., Ltd. | Downlink control channel receiving and transmitting method and device |
| US11871430B2 (en) | 2017-05-03 | 2024-01-09 | Beijing Xiaomi Mobile Software Co., Ltd. | Downlink control channel receiving and transmitting method and device |
| CN108809579B (en) * | 2017-05-05 | 2021-08-20 | 华为技术有限公司 | Resource allocation method, device and system |
| CN108809579A (en) * | 2017-05-05 | 2018-11-13 | 华为技术有限公司 | Resource allocation method, device and system |
| CN110730465A (en) * | 2018-07-16 | 2020-01-24 | 普天信息技术有限公司 | Method for enhancing consistency of reconfiguration resources of LTE230 system |
| CN110730465B (en) * | 2018-07-16 | 2022-12-27 | 普天信息技术有限公司 | Method for enhancing consistency of reconfiguration resources of LTE230 system |
| CN110972269A (en) * | 2018-09-28 | 2020-04-07 | 普天信息技术有限公司 | Offset configuration method and device for user-specific search space |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011098010A1 (en) | 2011-08-18 |
| CN102149168B (en) | 2014-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102149168B (en) | Method and device for determining physical downlink control channel (PDCCH) search space | |
| CN102291822B (en) | A kind of MTC device random access backoff time announcement method and system | |
| CN101133584B (en) | Random access method for time division synchronization code division multiple access to communication system terminal unit | |
| Laya et al. | Is the random access channel of LTE and LTE-A suitable for M2M communications? A survey of alternatives | |
| CN102378364B (en) | Random access method and system realizing same | |
| CN102291846B (en) | A kind of accidental access method and realize the system of Stochastic accessing | |
| CN108207029B (en) | Method and equipment in UE (user Equipment) and base station | |
| CN104272844A (en) | Network node, user equipment and methods therein for random access handling | |
| CN103918338A (en) | Optimized system access procedures | |
| CN101686489A (en) | Method of improving uplink signaling transmission for a user equipment of a wireless communication system | |
| CN102869083B (en) | Method for parameter configuration in channel conversion, base station and wireless network controller | |
| EP3684122B1 (en) | A method for determining and configuring a resource used for transmitting downlink data, terminal and base station | |
| US20170135066A1 (en) | Method and Apparatus for Paging Terminals in a Wireless Communication System | |
| CN102098766A (en) | Method for saving power supply optimally and relative communication device thereof | |
| CN105764152A (en) | Information processing method and base station | |
| US20220183054A1 (en) | Data transmission method and apparatus | |
| CN110035514B (en) | Method and device for determining transmission opportunity, storage medium and electronic device | |
| CN106301723B (en) | Downlink data sending method, receiving method, sending device and receiving device | |
| CN109996334B (en) | Information indication method, terminal equipment and network equipment | |
| Martiradonna et al. | An open source platform for exploring NB-IoT system performance | |
| CN101754393A (en) | Method, device and system for reporting scheduling information | |
| CN103580836A (en) | UE type reporting method and device, resource allocation method and device, UE and base station | |
| CN102143533A (en) | Methods and equipment for reporting information generated in random access process and determining parameters | |
| CN113366890B (en) | Wake-up signal sending method and device | |
| CN102916767A (en) | Uplink feedback method of high speed dedicated physical control channels and related equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230105 Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |