CN102523626A - Method and equipment for transmitting message 3 - Google Patents
Method and equipment for transmitting message 3 Download PDFInfo
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- CN102523626A CN102523626A CN2011103978154A CN201110397815A CN102523626A CN 102523626 A CN102523626 A CN 102523626A CN 2011103978154 A CN2011103978154 A CN 2011103978154A CN 201110397815 A CN201110397815 A CN 201110397815A CN 102523626 A CN102523626 A CN 102523626A
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Abstract
The embodiment of the invention discloses a method and equipment for transmitting a message 3. By the technical scheme provided by the embodiment of the invention, terminal equipment transmits the message 3 to a base station in a transmission time interval bundling (TTI bundling) way, so the coverage of the message 3 is expanded under the condition of no increase in the deployment of the base station to save the cost of base station construction, and the time delay of random access is reduced to improve the processing efficiency of the random access process.
Description
Technical field
The present invention relates to communication technical field, particularly the transmission method of a kind of message3 and equipment.
Background technology
Insert at random (Random Access, RA) be set up Radio Link between terminal and the network must be through process.Only after random access procedure is accomplished, (transfer of data and the reception of routine eNB) just possibly carried out in the B node of evolution, i.e. base station to eNodeB with UE (User Equipment, subscriber equipment, i.e. terminal equipment).
Insert at random and be divided into: competition random access procedure and non-competing random access procedure.
Wherein, the competition random access procedure is meant eNodeB not for UE distributes special preamble (leading) sign indicating number, but selects the access at random of preamble sign indicating number and initiation at random by UE.Competition inserts at random and is applicable to RRC (Radio Resource Control; Radio Resource control) connect foundation, the RRC connection reconstruction is switched; Downlink data arrival and UE uplink loss state, upstream data arrive and need through inserting situation such as applying for ascending resource at random.
Competition inserts at random and is divided into the completion of four steps, and is as shown in Figure 1, is the schematic flow sheet of competition random access procedure of the prior art.
In this processing procedure, each step is called a piece of news (message), is designated as Msg1-Msg4 (Msg is Message) in the standard.
Specify as follows:
Step S101, UE send Msg1 (message1) to eNB, and wherein, Msg1 is a upstream message, is used to send the preamble sign indicating number.
Step S102, eNB return Msg2 (message2) to UE, and wherein, Msg2 is a downstream message, and this message is used to feed back response and the scheduling Msg3 to Msg1.
Msg2 is independently MAC (Media Access Control, a medium access control) PDU (Packet Data Unit, Packet Data Unit), by the MAC layer tissue.As shown in Figure 2, be the PDU structural representation of Msg2 of the prior art.
Step S103, UE send Msg3 (message3) to eNB, and wherein, Msg3 is a upstream message, carries different information under the different scenes, and its ascending resource is indicated by Msg2.
Step S104, eNB return Msg4 (message4) to UE, and wherein, Msg4 is a downstream message, accomplish final competition and solve, and its content is corresponding with Msg3.
For the preamble sign indicating number that be useful on competition inserts, eNodeB can optionally be divided into two groups with it, set A and set B.Trigger when inserting, UE confirms the set of preamble sign indicating number according to Msg3 size and path loss size, and wherein, set B is applied to the big and less scene of path loss of Msg3; Set A is applied to the scene that Msg3 is less or path loss is bigger.Msg3 size thresholding and line loss threshold are notified UE in system message.
The MAC PDU that is used for Msg2 is by MAC header (head), and MAC payload (load) and padding (filling) three parts are formed.
(1) MAC header comprises the information header of user's Sharing Information head and user commissioner's office.
User's Sharing Information head is divided into two types: E/T/R/R/BI and E/T/RAPID, and the former is configurable, the latter always sends.
As shown in Figure 3, be the structural representation of the MAC header of E/T/R/R/BI class of the prior art.Concrete, the MAC header of E/T/R/R/BI class comprises: Extension field (extension field is called for short E, and size is 1bits); Type field (type field is called for short T, and size is 1bits); 2 Reserved bit (reserved bit is called for short R, and size is 1bits); And BackoffIndicator (the rollback sign is called for short BI, and size is 4bits).
Reserved bit is meaningless for the user, and promptly the user of current version ignores Reserved bit content, and therefore, modification Reserved bit does not have influence to the user of current version.
The information header of user commissioner's office comprises: Extension field (1bits), Type field (1bit) and RAPID (6bits).
(2) MAC payload comprises a plurality of MAC RAR (RA-RNTI inserts RNTI at random, wherein, RNTI, Radio Network Temporary Identity, Radio Network Temporary Identifier), and MACRAR is a user commissioner's office, is distinguished by preamble sign indicating number sign.
As shown in Figure 4, be the structural representation of MAC RAR of the prior art.Its content comprises: Reserved bit (1bit), Timing advance command (timing advance order), UL grant (UpLink grant, uplink scheduling permission) and Temporary C-RNTI (the interim sub-district RNTI of Temporary Cell RNTI).
The subframe binding (TTI bundling, wherein, TTI; Transmission Time Interval; Transmission Time Interval) technology refers on four continuous sub-frame of uplink, send behind the transmission block coding, and the binding subframe adopts identical HARQ (Hybrid Automatic Repeat reQuest mixes automatic repeat requests) process; But different subframes adopt different RV (Redundancy Version, redundancy versions).TTIbundling is used to solve up PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel) covering problem.TTI bundling disposes to the terminal through the RRC signaling of user commissioner's office.TTIbundling supports HARQ, and is as shown in Figure 5, in the HARQ process under FDD (Frequency DivisionDuplexing, the FDD) system, realizes the sketch map of TTI bundling The Application of Technology scene for prior art.
For TDD (Time Division Duplexing, time division duplex) system, have only uplink-downlink configuration 0,1,6 support TTI bundling, its HARQ sequential relationship is different for the difference configuration.
As shown in table 1 for sequential relationship between first transmission UL grant and the PUSCH transmission.
Sequential relationship between table 1 first transmission UL grant and the PUSCH transmission
For re-transmission, sequential relationship was as shown in table 2 between PHICH (Physical HARQ Indicator Channel, the automatic repeat requests indicating channel of physical mixed) or UL grant and PUSCH retransmitted.
When table 2 retransmits, the sequential relationship between PHICH or UL grant and PUSCH retransmit
In realizing process of the present invention, the inventor finds to exist at least in the prior art following problem:
Can know through above-mentioned analysis; Random accessing message message3 (Msg3) is one of up covering influencing factor; In the prior art; Although message3 can adopt HARQ mechanism, can increase the time delay that inserts at random like this, the prior art scheme does not propose corresponding solution for such problem.
Summary of the invention
The embodiment of the invention provides transmission method and the equipment of a kind of message3, and the transmission mechanism that solves message3 in the existing technical scheme can increase the problem of the experiment that inserts at random.
For achieving the above object, the embodiment of the invention provides the transmission method of a kind of message3 on the one hand, may further comprise the steps at least:
Terminal equipment sends message3 through subframe binding TTI bundling mode to the base station.
On the other hand, the embodiment of the invention also provides a kind of terminal equipment, comprises at least:
Sending module is used for the mode through TTI bundling, sends message3 to the base station.
On the other hand, the embodiment of the invention also provides the transmission method of a kind of message3, may further comprise the steps at least:
The message3 that the base station receiving terminal apparatus sends through TTI bundling mode.
On the other hand, the embodiment of the invention also provides a kind of base station, comprises at least:
Receiver module is used for the message3 that receiving terminal apparatus sends through TTI bundling mode.
Compared with prior art, the technical scheme that the embodiment of the invention proposed has the following advantages:
Through using the technical scheme of the embodiment of the invention, terminal equipment sends message3 through TTI bundling mode to the base station, thereby; On the one hand; Need not to increase the covering that has strengthened message3 under the situation of base station deployment, practicing thrift the cost input of building the base station, on the other hand; Page or leaf has reduced the time delay that inserts at random, has improved the treatment effeciency of random access procedure.
Description of drawings
Fig. 1 is the schematic flow sheet of competition random access procedure of the prior art;
Fig. 2 is the PDU structural representation of Msg2 of the prior art;
Fig. 3 is the structural representation of the MAC header of E/T/R/R/BI class of the prior art;
Fig. 4 is the structural representation of MAC RAR of the prior art
Fig. 5 is a sketch map of realizing TTI bundling The Application of Technology scene in the HARQ process of prior art under the FDD system;
Fig. 6 is the schematic flow sheet of the transmission method of a kind of message3 that the embodiment of the invention proposed;
Fig. 7 carries out the schematic flow sheet of judgment processing in base station side for the transmission method of a kind of message3 that the embodiment of the invention proposed;
Fig. 8 is the structural representation of a kind of terminal equipment of embodiment of the invention proposition;
Fig. 9 is the structural representation of a kind of base station of embodiment of the invention proposition.
Embodiment
Of background technology, the LTE system has been chosen as the main solution of beyond 3G by numerous operators, and this just means the application scenarios of LTE, and deployment scenario and spectrum allocation may are complicated more, head and shoulders above the LTE standard hypothesis at initial stage is discussed.Though LTE-A has introduced many new technologies, be mainly used in the problem that solves two-forty and spectral efficient.Yet in the network design process of reality, the network coverage but is a stubborn problem more.At the network design initial stage, the LTE system possibly be operated in the frequency that is higher than 2G and 3G.This just means that there is bigger propagation loss in the LTE system than the 3G system, needs to dispose more base station and satisfies the LTE covering.Increasing the base station and need consume a lot of times and financial resources and owner's negotiation, is disadvantageous for quick deployment operation LTE network.And, the different channels type, the covering of different transmission directions is also unbalanced.Therefore, covering enhancing sets off a discussion as a LTE-A R11 research subject under discussion (SI).
Through researching and analysing discovery; Random accessing message message3 is one of up covering influencing factor; In the prior art; Although message3 can adopt HARQ mechanism, can increase the time delay that inserts at random like this, the prior art scheme does not propose corresponding solution for such problem.
In order to overcome such defective; The embodiment of the invention has proposed the transmission method of a kind of message3; Make terminal equipment pass through TTI bundling mode and send message3 to the base station, step S603 promptly as shown in Figure 6, the transmission of messages flow process and the prior art of all the other steps are similar.
In the application scenarios of reality, the concrete processing procedure of such technical scheme be said terminal equipment through a plurality of sub-frame of uplink to message3 of base station transmits, wherein, the redundancy versions RV that the transmission of each sub-frame of uplink is different.
Concrete, above-mentioned a plurality of sub-frame of uplink are specially continuous a plurality of sub-frame of uplink or discrete a plurality of sub-frame of uplink.
On the other hand, the quantity of above-mentioned a plurality of sub-frame of uplink is specially:
Said terminal equipment confirms according to sub-frame of uplink quantity configuration information entrained in the message that receives, value that promptly can times dynamic-configuration; Or,
Said terminal equipment confirms according to preset sub-frame of uplink quantity information, i.e. fixed value, for example 2 or 4.
Further, the RV version that transmits on each above-mentioned sub-frame of uplink can be set according to the rule of acquiescence, for example according to RV0, and RV1, RV2, RV3 transmits successively.
In practical application, preferably can directly adopt the TTI bundling mode of existing standard to the transmission plan of RACH message3, avoid the complexity of system.
Need further be pointed out that,, further comprising the steps of before message3 is sent in the base station at said terminal equipment through TTI bundling mode, respectively corresponding two kinds of scenes:
Scene one, terminal equipment confirm to adopt TTI bundling mode to base station transmits message3 according to default configuration.
Under this scene,, so, before this, preset in the said terminal equipment and adopted the rule of TTI bundling mode to base station transmits message3 if said terminal equipment through TTI bundling mode, sends message3 to the base station.
Under this kind scene; If the preset rules acquiescence adopts TTI bundling mode to carry out message3 and sends, so, terminal equipment adopts TTI bundling mode to base station transmits message3 all the time; On the contrary; If the preset rules acquiescence does not adopt TTI bundling mode to carry out message3 and sends, so, terminal equipment adopts other modes (for example existing transmission plan) to base station transmits message3 all the time
Scene two, terminal equipment confirm to adopt TTI bundling mode to base station transmits message3 according to configuration messages.
Under this scene; If said terminal equipment through TTI bundling mode, sends message3 to the base station, so; Before this, said terminal equipment need receive the said terminal equipment of configuration and adopt the message of TTI bundling mode to base station transmits message3.
Need be pointed out that further that under this scene, received message specifically comprises following two types:
Type one, carry said terminal equipment and adopt TTI bundling mode to transmit the broadcast of the configuration information of message3.
In concrete processing scene, entrained said terminal equipment adopts the TTIbundling mode to transmit the configuration information of message3 in the said broadcast, is specially the cell-level configuration information to sub-district, the current place of said terminal equipment;
Wherein, said configuration information is that to insert situation according to the deployment scenario of base station and/or current terminal equipment determined.
Type two, carry said terminal equipment and adopt TTI bundling mode to transmit the high-level signaling of the configuration information of message3.
The type of concrete high-level signaling can be adjusted as required.
Type three, carry said terminal equipment and adopt TTI bundling mode to transmit the message2 of the configuration information of message3.
In practical application; Carry said terminal equipment among the said message2 and adopt TTI bundling mode to transmit the mode of the configuration information of message3, be specially terminal equipment and judge self whether to adopt TTI bundling mode to transmit message3 according to the information of the Reserved bit among the said message2.
In the application scenarios of reality, specifically comprise following three kinds of modes:
The information of the Reserved bit of a bit among the E/T/R/R/BI that is disposed among mode one, the MAC header of terminal equipment according to said message2 judges self whether to adopt the TTIbundling mode to transmit message3.
Whether such mode comes indicating terminal equipment to adopt TTI bundling mode to transmit message3 through in E/T/R/R/BI, adding concrete indication information.
This kind mode means all terminal equipments of sharing this information header all according to this bit information, judges whether the message3 transmission adopts TTI bundling.
Owing to comprise 2 Reserved bit simultaneously among the MAC header of message2, in such cases, can select information among one of them Reserved bit to dispose said terminal equipment and whether adopt TTI bundling mode to transmit message3.
For example, ' 1 ' expression RACH message3 adopts TTI bundling mode to transmit; ' 0 ' expression RACH message3 does not adopt TTI bundling mode to transmit; Or opposite setting also is fine.
Concrete, in 2 bits, select which bit to be provided with, then can set and select according to concrete rule, such variation does not influence protection scope of the present invention.
Further; Consider that E/T/R/R/BI itself is exactly configurable; So; In the case, only just can be further under the prerequisite of configuration E/T/R/R/BI in MAC header confirm according to corresponding indication information whether terminal equipment adopts TTI bundling mode to transmit message3, and if terminal equipment is not found E/T/R/R/BI from the MAC header of message2; Be not dispose E/T/R/R/BI among the MAC header, then terminal equipment can directly confirm self need not adopt TTI bundling mode to transmit message3.
The information of the Reserved bit of two bits among the E/T/R/R/BI that is disposed among mode two, the MAC header of terminal equipment according to said message2 judges self whether to adopt the TTIbundling mode to transmit message3.
Whether such mode comes indicating terminal equipment to adopt TTI bundling mode to transmit message3 through in E/T/R/R/BI, adding concrete indication information.
This kind mode means all terminal equipments of sharing this information header all according to this bit information, judges whether the message3 transmission adopts TTI bundling.
Comprise two Reserved bit among the MAC header simultaneously; In such cases, whether the information among these two Reserved bit used disposes said terminal equipment and adopts TTI bundling mode to transmit message3, simultaneously; Because the increase of bit; Entrained information also can further be expanded, and therefore, can further carry corresponding TTI bundling size information.
For example, utilize 2 bits, indication RACH message3TTI bundling size (1,2; 3,4), when TTI bundling size=1, RACH message3 does not adopt TTI bundling mode to transmit; And when TTI bundling size=2, RACH message3 adopts TTI bundling mode to transmit, and specifically realizes through two sub-frame of uplink; When TTI bundling size=3, RACH message3 adopts TTI bundling mode to transmit, and specifically realizes through three sub-frame of uplink; When TTI bundling size=4, RACH message3 adopts TTI bundling mode to transmit, and specifically realizes through four sub-frame of uplink; Certainly, the concrete compound mode of size can be set with concrete signal in advance, and such variation does not influence protection scope of the present invention.
Further; Consider that E/T/R/R/BI itself is exactly configurable; So; In the case, only just can be further under the prerequisite of configuration E/T/R/R/BI in MAC header confirm according to corresponding indication information whether terminal equipment adopts TTI bundling mode to transmit message3, and if terminal equipment is not found E/T/R/R/BI from the MAC header of message2; Be not dispose E/T/R/R/BI among the MAC header, then terminal equipment can directly confirm self need not adopt TTI bundling mode to transmit message3.
Mode three, terminal equipment judge self whether to adopt TTI bundling mode to transmit message3 according to the information of the Reserved bit among the MAC payload that is disposed among the said message2.
Whether such mode comes indicating terminal equipment to adopt TTI bundling mode to transmit message3 through in MAC payload, adding concrete indication information.
This kind mode means that the terminal equipment that receives this MAC payload need be according to this bit information, and whether judgement message3 transmission adopts TTI bundling.
Only comprise a Reserved bit among the MAC payload, in such cases, whether the information among this Reserved bit directly used disposes said terminal equipment and adopts TTI bundling mode to transmit message3.
For example, ' 1 ' expression RACH message3 adopts TTI bundling mode to transmit; ' 0 ' expression RACH message3 does not adopt TTI bundling mode to transmit; Or opposite setting also is fine.
In practical application, specifically adopt which kind of mode, and the mode that further adopts which kind of configuration Reserved bit, can select according to actual needs, such variation does not influence protection scope of the present invention.
Need further be pointed out that; Determine whether adopt TTI bundling mode to base station transmits message3 according to configuration messages if adopted in the aforesaid scene two; So; Receive the said terminal equipment of configuration at said terminal equipment and adopt TTI bundling mode before the message of base station transmits message3, also comprise the deterministic process of base station side, concrete basis for estimation is according to the configuration variance of the judgment rule of base station side and difference; In the explanation of follow-up base station side, be described in detail, repeat no more at this.
In the above-mentioned explanation, the transfer process of the message3 of terminal equipment side has been described, corresponding, in the handled flow process of base station side, be specially the message3 that the base station receiving terminal apparatus sends through TTI bundling mode.
Concrete processing procedure is that said base station receives the message3 of said terminal equipment through a plurality of sub-frame of uplink transmission, wherein, and the different RV of each sub-frame of uplink transmission.
Similar with aforesaid explanation; Corresponding to scene one; The received message3 in said base station is said terminal equipment according to self preset employing TTI bundling mode configuration information to base station transmits message3, sends through TTI bundling mode.
Corresponding to scene two, to be said terminal equipment adopt TTI bundling mode after the message of base station transmits message3 receiving the said terminal equipment of configuration to the received message3 in said base station, sends through TTI bundling mode.
In above-mentioned scene two, adopt TTI bundling mode before base station transmits message3 at terminal equipment, base station side need be carried out processing as shown in Figure 7, specifically may further comprise the steps:
Whether step S701, said base station judges dispose said terminal equipment is adopted TTI bundling mode to base station transmits message3.
If, execution in step S702 then;
If deny, then execution in step S703.
In the application scenarios of reality, according to the difference of concrete determination strategy, the processing of this step specifically comprises following several kinds of modes:
Gather according to the preamble sign indicating number that message1 adopted of said terminal equipment mode A, said base station, judges whether to dispose said terminal equipment and adopt TTI bundling mode to base station transmits message3.
Consider that preamble sign indicating number set divided by the base station in advance, so, based on different division rules, the concrete realization of this mode comprises following several kinds:
(1) in current said base station, divided under the situation of two kinds of preamble sign indicating number set of set A and set B; Said terminal equipment is selected the preamble sign indicating number according to current channel situation arbitrarily in corresponding preamble sign indicating number set; And adopt selected preamble sign indicating number to said base station transmits message1; Said base station judges whether to dispose said terminal equipment and adopts TTI bundling mode to base station transmits message3 according to the preamble sign indicating number that message1 the adopted set of said terminal equipment.
In practical application, a kind of preferred judgment rule is following:
Affiliated preamble sign indicating number set is set A if the preamble sign indicating number that message1 adopted of said terminal equipment is confirmed in said base station; The said terminal equipment of said base station configuration adopts TTI bundling mode to base station transmits message3; If the set of the preamble sign indicating number under the preamble sign indicating number that the message1 of said terminal equipment adopted is set B, said base station is abandoned disposing said terminal equipment and is adopted the TTIbundling mode to base station transmits message3.
Wherein, set B is applied to the big and less scene of path loss of Msg3, and set A is applied to the scene that Msg3 is less or path loss is bigger.
It mainly is current channel situation that terminal equipment confirms self to select the foundation of the preamble sign indicating number set of preamble sign indicating number, for example, and channel quality, transmission quality, path loss situation, the signal transmission quality of self etc.
(2) two kinds of preamble sign indicating number set of set A and set B in current said base station, have been divided; And under the situation that there are corresponding relation in the index of the preamble sign indicating number in the set A and channel situation; Said terminal equipment according to current channel situation in corresponding preamble sign indicating number set according to the index of preamble sign indicating number and the corresponding relation of channel situation; Select corresponding preamble sign indicating number; And adopt selected preamble sign indicating number, and in said message1, carry the pairing index index of said preamble sign indicating number information to said base station transmits message1.Said base station judges whether to dispose said terminal equipment and adopts TTI bundling mode to base station transmits message3 according to the preamble sign indicating number that message1 the adopted set of said terminal equipment.
In practical application, a kind of preferred judgment rule is following:
For the Preamble sign indicating number in the set A; The terminal is regularly selected according to the information on path loss that down-run survey obtains; The big more explanation of the index of the Preamble sign indicating number that uses user's path loss is big more, and such rule is a kind of preferred setting of corresponding relation of index and the channel situation of aforesaid preamble sign indicating number.
Accordingly; Affiliated preamble sign indicating number set is set A if the preamble sign indicating number that message1 adopted of said terminal equipment is confirmed in said base station; The index information of the preamble sign indicating number of the set A that said base station is adopted according to ascending resource capacity and terminal equipment; Judging whether to dispose said terminal equipment adopts TTI bundling mode to base station transmits message3; If the set of the preamble sign indicating number under the preamble sign indicating number that the message1 of said terminal equipment adopted is set B, said base station is abandoned disposing said terminal equipment and is adopted TTI bundling mode to base station transmits message3.
Wherein, set B is applied to the big and less scene of path loss of Msg3, and set A is applied to the scene that Msg3 is less or path loss is bigger.
It mainly is current channel situation that terminal equipment confirms self to select the foundation of the preamble sign indicating number set of preamble sign indicating number, for example, and channel quality, transmission quality, path loss situation, the signal transmission quality of self etc.
(3) in current said base station, divided under the situation of set A 1, set A 2 and three kinds of preamble sign indicating number set of set B; Said terminal equipment is selected the preamble sign indicating number according to current channel situation in corresponding preamble sign indicating number set; And adopt selected preamble sign indicating number to said base station transmits message1; Said base station judges whether to dispose said terminal equipment and adopts TTI bundling mode to base station transmits message3 according to the preamble sign indicating number that message1 the adopted set of said terminal equipment.
In practical application, a kind of preferred judgment rule is following:
Affiliated preamble sign indicating number set is set A 1 if the preamble sign indicating number that message1 adopted of said terminal equipment is confirmed in said base station; The said terminal equipment of said base station configuration adopts TTI bundling mode to base station transmits message3; If the set of the preamble sign indicating number under the preamble sign indicating number that the message1 of said terminal equipment adopted is set A 2 or set B, said base station is abandoned disposing said terminal equipment and is adopted TTI bundling mode to base station transmits message3.
Wherein, Set B is applied to the big and less scene of path loss of Msg3; Set A is applied to the scene that Msg3 is less or path loss is bigger; Set A 1 is specially the set that path loss is formed greater than the preamble sign indicating number of path loss threshold value pathloss_threshold in the set A, and set A 2 is specially the set that path loss is formed less than the preamble sign indicating number of pathloss_threshold in the set A.
Pathloss_threshold can notify to terminal equipment through system message, and terminal equipment confirms in which set, to select the preamble sign indicating number in view of the above.
Mode B, said base station judge whether to dispose said terminal equipment and adopt TTI bundling mode to base station transmits message3 according to the quality of reception of the message1 of said terminal equipment.
In practical application, a kind of preferred judgment rule of this kind mode is following:
If the quality of reception of the message1 of said terminal equipment is relatively poor; The said terminal equipment of said base station configuration adopts TTI bundling mode to base station transmits message3; If the quality of reception of the message1 of said terminal equipment is better, said base station is abandoned disposing said terminal equipment and is adopted TTI bundling mode to base station transmits message3.
Mode C, said base station judge whether to dispose said terminal equipment and adopt TTI bundling mode to base station transmits message3 according to the transmission delay of said terminal equipment.
In practical application, a kind of preferred judgment rule of this kind mode is following:
If the transmission delay of said terminal equipment is bigger; The said terminal equipment of said base station configuration adopts the TTIbundling mode to base station transmits message3; If the transmission delay of said terminal equipment is less, said base station is abandoned disposing said terminal equipment and is adopted TTI bundling mode to base station transmits message3.
Mode D, said base station judge whether to dispose said terminal equipment and adopt TTI bundling mode to base station transmits message3 according to the time-frequency domain resources that message1 adopted of said terminal equipment.
In practical application, a kind of preferred judgment rule of this kind mode is following:
For the current sub-district of having only the configuration of a kind of time-frequency domain resources, said base station default configuration or abandon disposing said terminal equipment and adopt TTI bundling mode to base station transmits message3;
For the current sub-district that has multiple time-frequency domain resources configuration; Two time-frequency domain resources configuration sets are divided in said base station; Said terminal equipment is selected time-frequency domain resources according to current channel situation in corresponding time-frequency domain resources configuration set; And through selected time-frequency domain resources to said base station transmits message1; If said base station is confirmed said terminal equipment and has been used the bigger time-frequency domain resources configuration set of path loss; The said terminal equipment of said base station configuration adopts TTI bundling mode to base station transmits message3, if said terminal equipment has used the less time-frequency domain resources configuration set of path loss, said base station is abandoned disposing said terminal equipment and adopted TTI bundling mode to base station transmits message3.
Step S702, said base station are sent the said terminal equipment of configuration to said terminal equipment and are adopted the message of TTIbundling mode to base station transmits message3.
Particular type for the message of being sent in this step; And carry said terminal equipment and adopt the specifying of mode that the TTIbundling mode is transmitted the configuration information of message3 in the description of terminal equipment side, to set forth, in this no longer repeat specification.
Step S703, said base station are abandoned sending the said terminal equipment of configuration to said terminal equipment and are adopted the message of TTIbundling mode to base station transmits message3, or the message of TTI bundling mode to base station transmits message3 is not adopted to the said terminal equipment of said terminal equipment transmission configuration in said base station.
Concrete processing mode is referring to above-mentioned explanation, and is similar with it, at this, and no longer repeat specification.
Compared with prior art, the technical scheme that the embodiment of the invention proposed has the following advantages:
Through using the technical scheme of the embodiment of the invention, terminal equipment sends message3 through TTI bundling mode to the base station, thereby; On the one hand; Need not to increase the covering that has strengthened message3 under the situation of base station deployment, practicing thrift the cost input of building the base station, on the other hand; Page or leaf has reduced the time delay that inserts at random, has improved the treatment effeciency of random access procedure.
In order to realize the technical scheme of the embodiment of the invention, the embodiment of the invention also provides a kind of terminal equipment, and its structural representation is as shown in Figure 8, comprises at least:
Sending module 81 is used for the mode through TTI bundling, sends message3 to the base station.
In practical application, said sending module 81 specifically is used for through a plurality of sub-frame of uplink to message3 of base station transmits, wherein, and the different RV of each sub-frame of uplink transmission.
Further, this terminal equipment also comprises:
Under another kind of situation, this terminal equipment also comprises:
Further, the embodiment of the invention has also proposed a kind of base station, and its structural representation is as shown in Figure 9, comprises at least:
In practical application, said receiver module 91 specifically is used to receive the message3 of said terminal equipment through a plurality of sub-frame of uplink transmission, wherein, and the different redundancy versions RV of each sub-frame of uplink transmission.
Further, this base station also comprises:
Sending module 93 is used in the judged result of said judge module 92 sending the said terminal equipment of configuration to said terminal equipment and adopting the message of TTI bundling mode to base station transmits message3 when being.
Concrete, said judge module 92 specifically is used for:
According to the preamble sign indicating number that message1 the adopted set of said terminal equipment, judge whether to dispose said terminal equipment and adopt TTI bundling mode to base station transmits message3.
Concrete, said judge module 92 specifically is used for:
According to the quality of reception of the message1 of said terminal equipment, judge whether to dispose said terminal equipment and adopt TTI bundling mode to base station transmits message3.
Concrete, said judge module 92 specifically is used for:
According to the transmission delay of said terminal equipment, judge whether to dispose said terminal equipment and adopt the TTIbundling mode to base station transmits message3.
Concrete, said judge module 92 specifically is used for:
According to the time-frequency domain resources that message1 adopted of said terminal equipment, judge whether to dispose said terminal equipment and adopt TTI bundling mode to base station transmits message3.
Compared with prior art, the technical scheme that the embodiment of the invention proposed has the following advantages:
Through using the technical scheme of the embodiment of the invention, terminal equipment sends message3 through TTI bundling mode to the base station, thereby; On the one hand; Need not to increase the covering that has strengthened message3 under the situation of base station deployment, practicing thrift the cost input of building the base station, on the other hand; Page or leaf has reduced the time delay that inserts at random, has improved the treatment effeciency of random access procedure.
Through the description of above execution mode, those skilled in the art can be well understood to the embodiment of the invention and can realize through hardware, also can realize by the mode that software adds necessary general hardware platform.Based on such understanding; The technical scheme of the embodiment of the invention can be come out with the embodied of software product, this software product can be stored in a non-volatile memory medium (can be CD-ROM, USB flash disk; Portable hard drive etc.) in; Comprise some instructions with so that computer equipment (can be personal computer, server, or network equipment etc.) each implements the described method of scene to carry out the embodiment of the invention.
It will be appreciated by those skilled in the art that accompanying drawing is a preferred sketch map of implementing scene, module in the accompanying drawing or flow process might not be that embodiment of the present invention embodiment is necessary.
It will be appreciated by those skilled in the art that the module in the device of implementing in the scene can be distributed in the device of implementing scene according to implementing scene description, also can carry out respective change and be arranged in the one or more devices that are different from this enforcement scene.The module of above-mentioned enforcement scene can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of implementing scene just to description.
More than the disclosed several practical implementation scenes that are merely the embodiment of the invention, still, the embodiment of the invention is not limited thereto, any those skilled in the art can think variation all should fall into the traffic limits scope of the embodiment of the invention.
Claims (48)
1. the transmission method of a message3 is characterized in that, may further comprise the steps at least:
Terminal equipment sends message3 through subframe binding TTI bundling mode to the base station.
2. the method for claim 1 is characterized in that, said terminal equipment sends message3 through TTI bundling mode to the base station, specifically comprises:
To message3 of base station transmits, wherein, each sub-frame of uplink transmits different redundancy versions RV to said terminal equipment through a plurality of sub-frame of uplink.
3. the method for claim 1 is characterized in that, said terminal equipment, also comprised before message3 is sent in the base station through TTI bundling mode:
The preset TTI bundling mode that adopts of said terminal equipment is to base station transmits message3.
4. the method for claim 1 is characterized in that, said terminal equipment, also comprised before message3 is sent in the base station through TTI bundling mode:
Said terminal equipment receives the said terminal equipment of configuration and adopts the message of TTI bundling mode to base station transmits message3.
5. method as claimed in claim 4 is characterized in that, the said terminal equipment of said configuration adopts the message of TTI bundling mode to base station transmits message3, specifically comprises:
Carrying said terminal equipment adopts TTI bundling mode to transmit the broadcast of the configuration information of message3.
6. method as claimed in claim 4 is characterized in that, the said terminal equipment of said configuration adopts the message of TTI bundling mode to base station transmits message3, specifically comprises:
Carrying said terminal equipment adopts TTI bundling mode to transmit the high-level signaling of the configuration information of message3.
7. method as claimed in claim 4 is characterized in that, the said terminal equipment of said configuration adopts the message of TTI bundling mode to base station transmits message3, specifically comprises:
Carrying said terminal equipment adopts TTI bundling mode to transmit the message2 of the configuration information of message3.
8. method as claimed in claim 7 is characterized in that, carries said terminal equipment among the said message2 and adopts TTI bundling mode to transmit the mode of the configuration information of message3, is specially:
Said terminal equipment judges self whether to adopt TTI bundling mode to transmit message3 according to the information of the reserved bit Reserved bit among the said message2.
9. method as claimed in claim 8 is characterized in that, said terminal equipment judges self whether to adopt TTI bundling mode to transmit message3, specifically to comprise according to the information of the reserved bit Reserved bit among the said message2:
The information of the Reserved bit of a bit among the E/T/R/R/BI that is disposed among the MAC header of said terminal equipment according to said message2 judges self whether to adopt TTI bundling mode to transmit message3.
10. method as claimed in claim 8 is characterized in that, said terminal equipment judges self whether to adopt TTI bundling mode to transmit message3, specifically to comprise according to the information of the reserved bit Reserved bit among the said message2:
The information of the Reserved bit of two bits among the E/T/R/R/BI that is disposed among the MAC header of said terminal equipment according to said message2 judges self whether to adopt TTI bundling mode to transmit message3 and corresponding TTI bundling size information.
11. method as claimed in claim 8 is characterized in that, said terminal equipment judges self whether to adopt TTI bundling mode to transmit message3, specifically to comprise according to the information of the reserved bit Reserved bit among the said message2:
Said terminal equipment judges self whether to adopt TTI bundling mode to transmit message3 according to the information of the Reservedbit among the MAC payload that is disposed among the said message2.
12. the method for claim 1 is characterized in that, said terminal equipment, also comprised before message3 is sent in the base station through the TTIbundling mode:
In current said base station, divided under the situation of two kinds of preamble sign indicating number set of set A and set B; Said terminal equipment is selected the preamble sign indicating number according to current channel situation arbitrarily in corresponding preamble sign indicating number set, and adopts selected preamble sign indicating number to said base station transmits message1.
13. the method for claim 1 is characterized in that, said terminal equipment, also comprised before message3 is sent in the base station through the TTIbundling mode:
In current said base station, divided under the situation of two kinds of preamble sign indicating number set of set A and set B; Said terminal equipment according to current channel situation in corresponding preamble sign indicating number set according to the index index of preamble sign indicating number and the corresponding relation of channel situation; Select corresponding preamble sign indicating number, and adopt selected preamble sign indicating number to said base station transmits message1.
14. like claim 12 or 13 described methods, it is characterized in that,
Said set B is applied to the big and less scene of path loss of Msg3;
Said set A is applied to the scene that Msg3 is less or path loss is bigger.
15. the method for claim 1 is characterized in that, said terminal equipment, also comprised before message3 is sent in the base station through the TTIbundling mode:
In current said base station, divided under the situation of set A 1, set A 2 and three kinds of preamble sign indicating number set of set B; Said terminal equipment is selected the preamble sign indicating number according to current channel situation in corresponding preamble sign indicating number set, and adopts selected preamble sign indicating number to said base station transmits message1.
16. method as claimed in claim 15 is characterized in that,
Said set B is applied to the big and less scene of path loss of Msg3;
Said set A is applied to the scene that Msg3 is less or path loss is bigger;
Said set A 1 is specially the set that path loss is formed greater than the preamble sign indicating number of path loss threshold value pathloss threshold in the said set A;
Said set A 2 is specially the set that path loss is formed less than the preamble sign indicating number of pathloss threshold in the said set A.
17. the method for claim 1 is characterized in that, said terminal equipment, also comprised before message3 is sent in the base station through the TTIbundling mode:
For the current sub-district that has multiple time-frequency domain resources configuration; Two time-frequency domain resources configuration sets are divided in said base station; Said terminal equipment is being selected time-frequency domain resources according to current channel situation in corresponding time-frequency domain resources configuration set, and through selected time-frequency domain resources to said base station transmits message1.
18. a terminal equipment is characterized in that, comprises at least:
Sending module is used for the mode through TTI bundling, sends message3 to the base station.
19. terminal equipment as claimed in claim 18 is characterized in that, said sending module specifically is used for:
To message3 of base station transmits, wherein, each sub-frame of uplink transmits different RV through a plurality of sub-frame of uplink.
20. terminal equipment as claimed in claim 18 is characterized in that, also comprises:
Receiver module; Be used to receive the message that sends to said terminal equipment; Wherein, when receiving the said terminal equipment of configuration when adopting TTI bundling mode, notify said sending module to adopt TTI bundling mode to base station transmits message3 to the message of base station transmits message3.
21. terminal equipment as claimed in claim 18 is characterized in that, also comprises:
Module is set; The transmission means that is used for the message3 that preset said terminal equipment adopted; When default transmission means is when adopting TTI bundling mode to base station transmits message3, notify said sending module to adopt TTI bundling mode to base station transmits message3.
22. the transmission method of a message3 is characterized in that, may further comprise the steps at least:
The message3 that the base station receiving terminal apparatus sends through TTI bundling mode.
23. method as claimed in claim 22 is characterized in that, the message3 that said base station receiving terminal apparatus sends through TTI bundling mode specifically comprises:
Said base station receives the message3 of said terminal equipment through a plurality of sub-frame of uplink transmission, wherein, and the different RV of each sub-frame of uplink transmission.
24. method as claimed in claim 22; It is characterized in that; If said terminal equipment need receive the said terminal equipment employing of configuration TTI bundling mode after the message of base station transmits message3; Through the message3 that TTI bundling mode is sent, then said method also comprises:
Whether said base station judges disposes said terminal equipment is adopted TTI bundling mode to base station transmits message3.
25. method as claimed in claim 24 is characterized in that, whether said base station judges disposes said terminal equipment is adopted TTI bundling mode to base station transmits message3, specifically comprises:
Said base station judges whether to dispose said terminal equipment and adopts TTI bundling mode to base station transmits message3 according to the preamble sign indicating number that message1 the adopted set of said terminal equipment.
26. method as claimed in claim 25 is characterized in that, the preamble sign indicating number that message1 the adopted set of said terminal equipment specifically comprises:
Two kinds of preamble sign indicating number set of set A and set B.
27. method as claimed in claim 25 is characterized in that, the preamble sign indicating number that message1 the adopted set of said terminal equipment specifically comprises:
Two kinds of preamble sign indicating number set of set A and set B, and there are corresponding relation in the index and the channel situation of the preamble sign indicating number in the set A.
28., it is characterized in that the preamble sign indicating number that message1 the adopted set of said terminal equipment specifically comprises like claim 26 or 27 described methods:
Said set B is applied to the big and less scene of path loss of Msg3;
Said set A is applied to the scene that Msg3 is less or path loss is bigger.
29. method as claimed in claim 25 is characterized in that, the preamble sign indicating number that message1 the adopted set of said terminal equipment specifically comprises:
Set A 1, set A 2 and three kinds of preamble sign indicating number set of set B;
30. method as claimed in claim 29 is characterized in that, the preamble sign indicating number that message1 the adopted set of said terminal equipment specifically comprises:
Said set B is applied to the big and less scene of path loss of Msg3;
Said set A is applied to the scene that Msg3 is less or path loss is bigger;
Said set A 1 is specially the set that path loss is formed greater than the preamble sign indicating number of path loss threshold value pathloss threshold in the said set A;
Said set A 2 is specially the set that path loss is formed less than the preamble sign indicating number of pathloss threshold in the said set A.
31. method as claimed in claim 24 is characterized in that, whether said base station judges disposes said terminal equipment is adopted TTI bundling mode to base station transmits message3, specifically comprises:
Said base station judges whether to dispose said terminal equipment and adopts TTI bundling mode to base station transmits message3 according to the quality of reception of the message1 of said terminal equipment.
32. method as claimed in claim 24 is characterized in that, whether said base station judges disposes said terminal equipment is adopted TTI bundling mode to base station transmits message3, specifically comprises:
Said base station judges whether to dispose said terminal equipment and adopts TTI bundling mode to base station transmits message3 according to the transmission delay of said terminal equipment.
33. method as claimed in claim 24 is characterized in that, whether said base station judges disposes said terminal equipment is adopted TTI bundling mode to base station transmits message3, specifically comprises:
Said base station judges whether to dispose said terminal equipment and adopts TTI bundling mode to base station transmits message3 according to the time-frequency domain resources that message1 adopted of said terminal equipment.
34. method as claimed in claim 33; It is characterized in that; Said base station judges whether to dispose said terminal equipment and adopts the TTIbundling mode to base station transmits message3 according to the time-frequency domain resources that message1 adopted of said terminal equipment, specifically comprises:
For the current sub-district of having only the configuration of a kind of time-frequency domain resources, said base station default configuration or abandon disposing said terminal equipment and adopt TTI bundling mode to base station transmits message3;
For the current sub-district that has multiple time-frequency domain resources configuration; Two time-frequency domain resources configuration sets are divided in said base station; Said base station judges whether to dispose said terminal equipment and adopts TTI bundling mode to base station transmits message3 according to the time-frequency domain resources that message1 adopted of said terminal equipment.
35. method as claimed in claim 22; It is characterized in that; If said terminal equipment need receive the said terminal equipment employing of configuration TTI bundling mode after the message of base station transmits message3; Through the message3 that TTI bundling mode is sent, the said terminal equipment of then said configuration adopts the message of TTI bundling mode to base station transmits message3, specifically comprises:
Said base station is sent to said terminal equipment and is carried the broadcast that said terminal equipment employing TTI bundling mode is transmitted the configuration information of message3.
36. method as claimed in claim 22; It is characterized in that; If said terminal equipment need receive the said terminal equipment employing of configuration TTI bundling mode after the message of base station transmits message3; Through the message3 that TTI bundling mode is sent, the said terminal equipment of then said configuration adopts the message of TTI bundling mode to base station transmits message3, specifically comprises:
Said base station is sent to said terminal equipment and is carried the high-level signaling that said terminal equipment employing TTI bundling mode is transmitted the configuration information of message3.
37. method as claimed in claim 22; It is characterized in that; If said terminal equipment need receive the said terminal equipment employing of configuration TTI bundling mode after the message of base station transmits message3; Through the message3 that TTI bundling mode is sent, the said terminal equipment of then said configuration adopts the message of TTI bundling mode to base station transmits message3, specifically comprises:
Said base station is sent to said terminal equipment and is carried the message2 that said terminal equipment employing TTI bundling mode is transmitted the configuration information of message3.
38. method as claimed in claim 37 is characterized in that, carries said terminal equipment among the said message2 and adopts TTI bundling mode to transmit the mode of the configuration information of message3, is specially:
Whether the information of said base station through the Reserved bit of said message2 disposes said terminal equipment and adopts TTI bundling mode to transmit message3.
39. method as claimed in claim 38 is characterized in that, whether the information of said base station through the Reserved bit of said message2 disposes said terminal equipment and adopts TTI bundling mode to transmit message3, specifically comprises:
Whether the information of the Reserved bit of a bit among the E/T/R/R/BI that is disposed among the MAC header of said base station through said message2 disposes said terminal equipment and adopts TTI bundling mode to transmit message3.
40. method as claimed in claim 38 is characterized in that, whether the information of said base station through the Reserved bit of said message2 disposes said terminal equipment and adopts TTI bundling mode to transmit message3, specifically comprises:
Whether the information of the Reserved bit of two bits among the E/T/R/R/BI that is disposed among the MAC header of said base station through said message2 disposes said terminal equipment and adopts TTI bundling mode to transmit message3 and corresponding TTI bundling size information.
41. method as claimed in claim 38 is characterized in that, whether the information of said base station through the Reserved bit of said message2 disposes said terminal equipment and adopts TTI bundling mode to transmit message3, specifically comprises:
Whether the information of said base station through the Reserved bit among the MAC payload that is disposed among the said message2 disposes said terminal equipment and adopts TTI bundling mode to transmit message3.
42. a base station is characterized in that, comprises at least:
Receiver module is used for the message3 that receiving terminal apparatus sends through TTI bundling mode.
43. base station as claimed in claim 42 is characterized in that, said receiver module specifically is used for:
Receive the message3 of said terminal equipment through a plurality of sub-frame of uplink transmission, wherein, the different RV of each sub-frame of uplink transmission.
44. base station as claimed in claim 43 is characterized in that, also comprises:
Judge module is used to judge whether to dispose said terminal equipment and adopts TTI bundling mode to base station transmits message3;
Sending module is used in the judged result of said judge module sending the said terminal equipment of configuration to said terminal equipment and adopting the message of TTI bundling mode to base station transmits message3 when being.
45. base station as claimed in claim 44 is characterized in that, said judge module specifically is used for:
According to the preamble sign indicating number that message1 the adopted set of said terminal equipment, judge whether to dispose said terminal equipment and adopt TTI bundling mode to base station transmits message3.
46. base station as claimed in claim 44 is characterized in that, said judge module specifically is used for:
According to the quality of reception of the message1 of said terminal equipment, judge whether to dispose said terminal equipment and adopt TTI bundling mode to base station transmits message3.
47. base station as claimed in claim 44 is characterized in that, said judge module specifically is used for:
According to the transmission delay of said terminal equipment, judge whether to dispose said terminal equipment and adopt the TTIbundling mode to base station transmits message3.
48. base station as claimed in claim 44 is characterized in that, said judge module specifically is used for:
According to the time-frequency domain resources that message1 adopted of said terminal equipment, judge whether to dispose said terminal equipment and adopt TTI bundling mode to base station transmits message3.
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