CN105491675A - Random access method and device for use under asymmetric uplink carrier aggregation - Google Patents
Random access method and device for use under asymmetric uplink carrier aggregation Download PDFInfo
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Abstract
The invention provides a random access method and device for use under asymmetric uplink carrier aggregation. The method comprises the following steps that: user equipment (UE) transmits a random access preamble to a base station on an uplink main carrier in order that the base station transmits a random access response to the UE through a downlink main carrier according to the random access preamble; the UE receives the random access response transmitted by the base station; and the UE performs first scheduling uplink transmission on the uplink main carrier according to the random access response. Through adoption of the random access method and device for use under asymmetric uplink carrier aggregation provided by the invention, the problem of random access in an asymmetric uplink carrier aggregation scene is solved.
Description
Technical field
The present invention relates to communication technical field, particularly relate to the accidental access method under a kind of asymmetric up-link carrier polymerization and device.
Background technology
At existing Long Term Evolution, (LongTermEvolution, is called for short: LTE) in system, the system bandwidth of single carrier maximum support 20M, and if desired larger bandwidth, then need to adopt carrier aggregation technology.In private network, there is the application such as a large amount of video monitoring class business, the up business demand of such business is greater than descending business demand, in that case, needs a kind of carrier aggregation scheme to meet the demand of industry network.
Propose a kind of asymmetric up-link carrier polymerization in prior art, the scene that up business demand is greater than descending business demand can be met.In the method, such as there are N number of descending carrier and M up-link carrier, N is less than or equal to M, the processing procedure of existing asymmetric up-link carrier polymerization is: first N number of descending carrier and M up-link carrier are decomposed into multiple carrier aggregation bunch by base station, wherein, each carrier aggregation bunch comprises a descending carrier and K up-link carrier, K be more than or equal to 1 integer, Fig. 1 is main carrier and auxiliary carrier wave schematic diagram, as shown in Figure 1, the up-link carrier that descending carrier is corresponding and this descending carrier composition main carrier, remaining K-1 up-link carrier is auxiliary carrier wave.Then multiple carrier aggregation bunch of decomposing are carried out carrier aggregation by base station.
In the scene of above-mentioned existing asymmetric up-link carrier polymerization, because upstream auxiliary carriers does not have corresponding descending auxiliary carrier wave, under this kind of scene, how upstream auxiliary carriers carries out Stochastic accessing, is a problem needing to solve.
Summary of the invention
The invention provides the accidental access method under a kind of asymmetric up-link carrier polymerization and device, to solve the random access problems under asymmetric up-link carrier aggregation scene.
First aspect, the invention provides the accidental access method under a kind of asymmetric up-link carrier polymerization, comprising:
User equipment (UE) sends random access guiding to base station on up main carrier, sends accidental access response for described base station according to described random access guiding by downlink main carrier to carry to described UE;
Described UE receives the accidental access response that described base station sends;
Described UE sends scheduling of upstream transmissions first according to described accidental access response on described up main carrier.
Further, described UE sends first after scheduling of upstream transmissions according to described accidental access response on described up main carrier, also comprises:
Described UE receive described base station send radio resource control RRC signaling or physical downlink control channel PDCCH on down link control information DCI0, carry the mark of a upstream auxiliary carriers in described DCI0 or RRC signaling;
Described UE sends data in the upstream auxiliary carriers of the mark correspondence of described upstream auxiliary carriers.
Further, described UE sends first after scheduling of upstream transmissions according to described accidental access response on described up main carrier, also comprises:
Described UE sends the auxiliary carrier wave access capability Indication message of described UE to described base station, know the auxiliary carrier wave access capability of described UE for described base station after, RRC reconfiguration message is sent to described UE, carry the mark of at least one upstream auxiliary carriers in described RRC reconfiguration message, the upstream auxiliary carriers that described RRC reconfiguration message is used to indicate the mark correspondence of the upstream auxiliary carriers that described UE carries in described RRC reconfiguration message initiates Stochastic accessing;
The upstream auxiliary carriers of the mark correspondence of the upstream auxiliary carriers that described UE carries in described RRC reconfiguration message initiates Stochastic accessing.
Further, the upstream auxiliary carriers of the mark correspondence of the upstream auxiliary carriers that described UE carries in described RRC reconfiguration message initiates Stochastic accessing, comprising:
Described UE sends random access guiding to described base station in upstream auxiliary carriers, send accidental access response by described downlink main carrier to carry to described UE for described base station, described upstream auxiliary carriers is the upstream auxiliary carriers of the mark correspondence of arbitrary upstream auxiliary carriers of carrying in described RRC reconfiguration message;
Described UE receives the accidental access response that described base station sends;
Described UE sends scheduling of upstream transmissions first according to described accidental access response in described upstream auxiliary carriers.
Further, described UE sends first after scheduling of upstream transmissions according to described accidental access response in described upstream auxiliary carriers, also comprises:
Described UE receives the contention resolved message that described base station is sent to described UE by described downlink main carrier to carry.
Second aspect, the invention provides the accidental access method under a kind of asymmetric up-link carrier polymerization, comprising:
The random access guiding that base station receives user equipment UE sends on up main carrier;
Described base station sends accidental access response by downlink main carrier to carry to described UE according to described random access guiding, sends scheduling of upstream transmissions first for described UE according to described accidental access response on described up main carrier;
Described base station receives the scheduling of upstream transmissions first that described UE sends on described up main carrier.
Further, described base station also comprises after receiving the scheduling of upstream transmissions first that described UE sends on described up main carrier:
Described base station sends the down link control information DCI0 in radio resource control RRC signaling or physical downlink control channel PDCCH to described UE, carry the mark of a upstream auxiliary carriers in described DCI0 or RRC signaling, in the upstream auxiliary carriers of the mark correspondence of described upstream auxiliary carriers, send data for described UE;
Described base station receives the data that described UE sends in the upstream auxiliary carriers of the mark correspondence of described upstream auxiliary carriers.
Further, described base station also comprises after receiving the scheduling of upstream transmissions first that described UE sends on described up main carrier:
Described base station receives the auxiliary carrier wave access capability Indication message that described UE sends;
After the auxiliary carrier wave access capability of described UE is known in described base station, RRC reconfiguration message is sent to described UE, carry the mark of at least one upstream auxiliary carriers in described RRC reconfiguration message, the upstream auxiliary carriers that described RRC reconfiguration message is used to indicate the mark correspondence of the upstream auxiliary carriers that described UE carries in described RRC reconfiguration message initiates Stochastic accessing;
Described base station receives the Stochastic accessing that the upstream auxiliary carriers of the mark correspondence of the upstream auxiliary carriers that described UE carries in described RRC reconfiguration message is initiated.
Further, described base station receives the Stochastic accessing that described UE initiates in upstream auxiliary carriers, comprising:
Described base station receives the random access guiding that described UE sends in upstream auxiliary carriers, and described upstream auxiliary carriers is the upstream auxiliary carriers of the mark correspondence of arbitrary upstream auxiliary carriers of carrying in described RRC reconfiguration message;
Described base station sends accidental access response by described downlink main carrier to carry to described UE, sends scheduling of upstream transmissions first for described UE according to described accidental access response in described upstream auxiliary carriers.
Further, also comprise:
Described base station sends contention resolved message by described downlink main carrier to carry to described UE.
The third aspect, the invention provides a kind of subscriber equipment, comprising:
Sending module, for sending random access guiding to base station on up main carrier, sends accidental access response by downlink main carrier to carry to described UE according to described random access guiding for described base station;
Receiver module, for receiving the accidental access response that described base station sends;
Described sending module also for sending scheduling of upstream transmissions first according to described accidental access response on described up main carrier.
Further, described receiver module also for: to send first after scheduling of upstream transmissions on described up main carrier according to described accidental access response at described sending module, receive described base station send radio resource control RRC signaling or physical downlink control channel PDCCH on down link control information DCI0, carry the mark of a upstream auxiliary carriers in described DCI0 or RRC signaling;
Described sending module also for: in the upstream auxiliary carriers of the mark correspondence of described upstream auxiliary carriers, send data.
Further, described sending module also for:
Send first after scheduling of upstream transmissions on described up main carrier according to described accidental access response, the auxiliary carrier wave access capability Indication message of described UE is sent to described base station, know the auxiliary carrier wave access capability of described UE for described base station after, RRC reconfiguration message is sent to described UE, carry the mark of at least one upstream auxiliary carriers in described RRC reconfiguration message, the upstream auxiliary carriers that described RRC reconfiguration message is used to indicate the mark correspondence of the upstream auxiliary carriers that described UE carries in described RRC reconfiguration message initiates Stochastic accessing;
Described sending module also for: the upstream auxiliary carriers of the mark correspondence of the upstream auxiliary carriers of carrying in described RRC reconfiguration message initiates Stochastic accessing.
Further, the upstream auxiliary carriers of the mark correspondence of the upstream auxiliary carriers that described sending module carries in described RRC reconfiguration message initiates Stochastic accessing, comprising:
Described sending module sends random access guiding to described base station in upstream auxiliary carriers, send accidental access response by described downlink main carrier to carry to described UE for described base station, described upstream auxiliary carriers is the upstream auxiliary carriers of the mark correspondence of arbitrary upstream auxiliary carriers of carrying in described RRC reconfiguration message;
Described receiver module also for: receive described base station send accidental access response;
Described sending module sends scheduling of upstream transmissions first according to described accidental access response in described upstream auxiliary carriers.
Further, described receiver module also for: to send in described upstream auxiliary carriers according to described accidental access response first after scheduling of upstream transmissions at described sending module, receive the contention resolved message that described base station is sent to described UE by described downlink main carrier to carry.
Fourth aspect, the invention provides a kind of base station, comprising:
Receiver module, for receiving the random access guiding that user equipment (UE) sends on up main carrier;
Sending module, for sending accidental access response by downlink main carrier to carry to described UE according to described random access guiding, sends scheduling of upstream transmissions first according to described accidental access response for described UE on described up main carrier;
Described receiver module also for: receive the scheduling of upstream transmissions first that described UE sends on described up main carrier.
Further, described sending module also for:
After described receiver module receives the scheduling of upstream transmissions first that described UE sends on described up main carrier, the down link control information DCI0 in radio resource control RRC signaling or physical downlink control channel PDCCH is sent to described UE, carry the mark of a upstream auxiliary carriers in described DCI0 or RRC signaling, in the upstream auxiliary carriers of the mark correspondence of described upstream auxiliary carriers, send data for described UE;
Described receiver module also for: receive the data that described UE sends in the upstream auxiliary carriers of the mark correspondence of described upstream auxiliary carriers.
Further, described receiver module also for: after receiving the scheduling of upstream transmissions first that sends on described up main carrier of described UE, receive the auxiliary carrier wave access capability Indication message that described UE sends;
Described sending module also for: after knowing the auxiliary carrier wave access capability of described UE, RRC reconfiguration message is sent to described UE, carry the mark of at least one upstream auxiliary carriers in described RRC reconfiguration message, the upstream auxiliary carriers that described RRC reconfiguration message is used to indicate the mark correspondence of the upstream auxiliary carriers that described UE carries in described RRC reconfiguration message initiates Stochastic accessing;
Described receiver module also for: receive the Stochastic accessing that the upstream auxiliary carriers of the mark correspondence of the upstream auxiliary carriers that described UE carries in described RRC reconfiguration message is initiated.
Further, described receiver module receives the Stochastic accessing that described UE initiates in upstream auxiliary carriers, comprising:
Receive the random access guiding that described UE sends in upstream auxiliary carriers, described upstream auxiliary carriers is the upstream auxiliary carriers of the mark correspondence of arbitrary upstream auxiliary carriers of carrying in described RRC reconfiguration message;
Described sending module also for: send accidental access response by described downlink main carrier to carry to described UE, in described upstream auxiliary carriers, send scheduling of upstream transmissions first according to described accidental access response for described UE.
Further, described sending module also for:
Contention resolved message is sent to described UE by described downlink main carrier to carry.
Accidental access method under asymmetric up-link carrier polymerization provided by the invention and device, only carry out by arranging Stochastic accessing, thus solve the random access problems under asymmetric up-link carrier aggregation scene on main carrier.
Accompanying drawing explanation
In order to be illustrated more clearly in the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is main carrier and auxiliary carrier wave schematic diagram;
Fig. 2 is the flow chart of the accidental access method embodiment one under the asymmetric up-link carrier polymerization of the present invention;
Fig. 3 is the flow chart of the accidental access method embodiment two under the asymmetric up-link carrier polymerization of the present invention;
Fig. 4 is the interaction diagrams of the accidental access method embodiment three under the asymmetric up-link carrier polymerization of the present invention;
Fig. 5 is the interaction diagrams of the accidental access method embodiment four under the asymmetric up-link carrier polymerization of the present invention;
Fig. 6 is the structural representation of subscriber equipment embodiment one of the present invention;
Fig. 7 is the structural representation of base station embodiment one of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with the accompanying drawing in the present invention, the technical scheme in the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Accidental access method under asymmetric up-link carrier polymerization provided by the invention and device, for solving the random access problems under asymmetric up-link carrier aggregation scene, shown in composition graphs 1, there are a up main carrier and a downlink main carrier to carry, K-1 upstream auxiliary carriers, upstream auxiliary carriers does not have corresponding descending auxiliary carrier wave, for this scene, Stochastic accessing this how to carry out, describe in detail below in conjunction with embodiment.
Fig. 2 is the flow chart of the accidental access method embodiment one under the asymmetric up-link carrier polymerization of the present invention, the present embodiment is with subscriber equipment (UserEquipment, hereinafter referred to as: be UE) that example is described as executive agent, as shown in Figure 2, the method for the present embodiment can comprise:
S101, UE send random access guiding to base station on up main carrier, send accidental access response for base station according to random access guiding by downlink main carrier to carry to UE.
Particularly, (PhysicalRandomAccessChannel is called for short: send random access guiding to base station PRACH) Physical Random Access Channel that UE configures on up main carrier.After base station receives random access guiding, utilize random access leader sequence wherein, calculate Timing Advance, and give this UE allocation of channel resources and temporary transient Cell Radio Network Temporary Identifier/Identity, Cell-RNTI number (TemporaryCellRadioNetworkTemporaryIdentifier, be called for short: TemporaryC-RNTI), Physical Downlink Shared Channel through downlink main carrier to carry sends, and is called accidental access response.
S102, UE receive the accidental access response that base station sends.
S103, UE send scheduling of upstream transmissions first according to accidental access response on up main carrier.
Particularly, UE sends scheduling of upstream transmissions first according to the signal channel resource allocation information in accidental access response on the Physical Uplink Shared Channel of up main carrier.
Because upstream auxiliary carriers does not have corresponding descending auxiliary carrier wave, therefore in the present invention, regulation Stochastic accessing is only initiated at main carrier.The invention provides two kinds of accidental access methods:
One, Stochastic accessing is only initiated at main carrier, and auxiliary carrier wave is unworthy of Physical Random Access Channel PRACH resource.
After S101-S103 Stochastic accessing completes, after S103, also comprise:
UE receives the wireless heterogeneous networks (RadioResourceControl that base station sends, be called for short: RRC) signaling or Physical Downlink Control Channel (PhysicalDownlinkControlChannel, be called for short: the down link control information (DownlinkControlInformation PDCCH), be called for short: DCI) 0, DCI0 or RRC signaling in carry the mark of a upstream auxiliary carriers.
UE sends data in the upstream auxiliary carriers of the mark correspondence of upstream auxiliary carriers.
Accidental access method under the asymmetric up-link carrier polymerization that the present embodiment provides, only carry out on main carrier by arranging Stochastic accessing, auxiliary carrier wave is used for sending data, thus solves the random access problems under asymmetric up-link carrier aggregation scene.
Two, main carrier and auxiliary carrier wave independently do Stochastic accessing, and the random access procedure of main carrier is with existing random access procedure, and the random access procedure of auxiliary carrier wave is first with above-mentioned S101-S103, and namely UE completes Stochastic accessing at main carrier.
Then, after S103, also comprise:
UE sends the auxiliary carrier wave access capability Indication message of UE to base station, know the auxiliary carrier wave access capability of UE for base station after, RRC reconfiguration message is sent to UE, carry the mark of at least one upstream auxiliary carriers in RRC reconfiguration message, the upstream auxiliary carriers that RRC reconfiguration message is used to indicate the mark correspondence of the upstream auxiliary carriers that UE carries in RRC reconfiguration message initiates Stochastic accessing.
The upstream auxiliary carriers of the mark correspondence of the upstream auxiliary carriers that UE carries in RRC reconfiguration message initiates Stochastic accessing.
Particularly, the upstream auxiliary carriers of the mark correspondence of the upstream auxiliary carriers that UE carries in RRC reconfiguration message initiates Stochastic accessing, comprising:
UE sends random access guiding to base station in upstream auxiliary carriers, and send accidental access response by downlink main carrier to carry to UE for base station, upstream auxiliary carriers is the upstream auxiliary carriers of the mark correspondence of arbitrary upstream auxiliary carriers of carrying in RRC reconfiguration message.
UE receives the accidental access response that base station sends.
UE sends scheduling of upstream transmissions first according to accidental access response in upstream auxiliary carriers.
Said process for be non-competing Stochastic accessing, for the Stochastic accessing of competition, UE sends first after scheduling of upstream transmissions according to accidental access response in upstream auxiliary carriers, also comprises:
UE receives the contention resolved message that base station is sent to UE by downlink main carrier to carry.
Accidental access method under the asymmetric up-link carrier polymerization that the present embodiment provides, carry out on main carrier by arranging Stochastic accessing first, after Stochastic accessing completes first, UE reports the access capability of auxiliary carrier wave to base station, to make base station, UE is switched to auxiliary carrier wave and initiates Stochastic accessing, UE is when arbitrary auxiliary carrier wave carries out Stochastic accessing, non-competing accidental access response is sent on downlink main carrier to carry by base station, accidental access response and the contention resolved message of competition are sent on downlink main carrier to carry by base station, thus the random access problems solved under asymmetric up-link carrier aggregation scene.
Fig. 3 is the flow chart of the accidental access method embodiment two under the asymmetric up-link carrier polymerization of the present invention, and the present embodiment is described for base station as executive agent, and as shown in Figure 3, the method for the present embodiment can comprise:
S201, base station receive the random access guiding that UE sends on up main carrier.
Particularly, the PRACH that UE configures on up main carrier sends random access guiding to base station.
S202, base station send accidental access response by downlink main carrier to carry to UE according to random access guiding, send scheduling of upstream transmissions first for UE according to accidental access response on up main carrier.
Particularly, after base station receives random access guiding, utilize random access leader sequence wherein, calculate Timing Advance, and give this UE allocation of channel resources and temporary transient TemporaryC-RNTI, the Physical Downlink Shared Channel through downlink main carrier to carry sends, and is called accidental access response.UE sends scheduling of upstream transmissions first according to the signal channel resource allocation information in accidental access response on the Physical Uplink Shared Channel of up main carrier.
S203, base station receive the scheduling of upstream transmissions first that UE sends on up main carrier.
Because upstream auxiliary carriers does not have corresponding descending auxiliary carrier wave, therefore in the present invention, regulation Stochastic accessing is only initiated at main carrier.The invention provides two kinds of accidental access methods:
One, Stochastic accessing is only initiated at main carrier, and auxiliary carrier wave is unworthy of Physical Random Access Channel PRACH resource.
After S101-S103 Stochastic accessing completes, after S203, also comprise:
Base station sends DCI0 or the RRC signaling on PDCCH to UE, carries the mark of a upstream auxiliary carriers, send data for UE in the upstream auxiliary carriers of the mark correspondence of upstream auxiliary carriers in PDCCHDCI0 or RRC signaling.
Base station receives the data that UE sends in the upstream auxiliary carriers of the mark correspondence of upstream auxiliary carriers.
Accidental access method under the asymmetric up-link carrier polymerization that the present embodiment provides, only carry out on main carrier by arranging Stochastic accessing, auxiliary carrier wave is used for sending data, thus solves the random access problems under asymmetric up-link carrier aggregation scene.
Two, main carrier and auxiliary carrier wave independently do Stochastic accessing, and the random access procedure of main carrier is with existing random access procedure, and the random access procedure of auxiliary carrier wave is first with above-mentioned S101-S103, and namely UE completes Stochastic accessing at main carrier.
Then, after S203, also comprise:
Base station receives the auxiliary carrier wave access capability Indication message that UE sends.
After the auxiliary carrier wave access capability of UE is known in base station, RRC reconfiguration message is sent to UE, carry the mark of at least one upstream auxiliary carriers in RRC reconfiguration message, the upstream auxiliary carriers that RRC reconfiguration message is used to indicate the mark correspondence of the upstream auxiliary carriers that UE carries in RRC reconfiguration message initiates Stochastic accessing.
Base station receives the Stochastic accessing that the upstream auxiliary carriers of the mark correspondence of the upstream auxiliary carriers that UE carries in RRC reconfiguration message is initiated.
Base station receives the Stochastic accessing that UE initiates in upstream auxiliary carriers, specifically comprises:
Base station receives the random access guiding that UE sends in upstream auxiliary carriers, and upstream auxiliary carriers is the upstream auxiliary carriers of the mark correspondence of arbitrary upstream auxiliary carriers of carrying in RRC reconfiguration message.
Base station sends accidental access response by downlink main carrier to carry to UE, sends scheduling of upstream transmissions first for UE according to accidental access response in upstream auxiliary carriers.
Said process for be non-competing Stochastic accessing, for competition Stochastic accessing for, also comprise:
Base station sends contention resolved message by downlink main carrier to carry to UE.
Accidental access method under the asymmetric up-link carrier polymerization that the present embodiment provides, carry out on main carrier by arranging Stochastic accessing first, after Stochastic accessing completes first, UE reports the access capability of auxiliary carrier wave to base station, UE is switched to auxiliary carrier wave according to the access capability of auxiliary carrier wave and initiates Stochastic accessing by base station, UE is when arbitrary auxiliary carrier wave carries out Stochastic accessing, non-competing accidental access response is sent on downlink main carrier to carry by base station, accidental access response and the contention resolved message of competition are sent on downlink main carrier to carry by base station, thus the random access problems solved under asymmetric up-link carrier aggregation scene.
The accidental access method under asymmetric up-link carrier polymerization of the present invention is described in detail below with two specific embodiments.
Fig. 4 is the interaction diagrams of the accidental access method embodiment three under the asymmetric up-link carrier polymerization of the present invention, and as shown in Figure 4, in the present embodiment, Stochastic accessing is only initiated at main carrier, and auxiliary carrier wave is unworthy of PRACH resource.The method of the present embodiment can comprise:
S301, UE send random access guiding to base station on up main carrier.
Particularly, the PRACH that UE configures on up main carrier sends random access guiding to base station.
S302, base station send accidental access response by downlink main carrier to carry to UE according to random access guiding.
Particularly, after base station receives random access guiding, utilize random access leader sequence wherein, calculate Timing Advance, and give this UE allocation of channel resources and TemporaryC-RNTI, the Physical Downlink Shared Channel through downlink main carrier to carry sends, and is called accidental access response.
S303, UE send scheduling of upstream transmissions first according to accidental access response after receiving the accidental access response of base station transmission on up main carrier.
Particularly, UE sends scheduling of upstream transmissions first according to the signal channel resource allocation information in accidental access response on the Physical Uplink Shared Channel of up main carrier.
S304, base station send the DCI0 on RRC signaling or PDCCH to UE, carry the mark of a upstream auxiliary carriers in DCI0 or RRC signaling.
S305, UE send data in the upstream auxiliary carriers of the mark correspondence of upstream auxiliary carriers.
Fig. 5 is the interaction diagrams of the accidental access method embodiment four under the asymmetric up-link carrier polymerization of the present invention, in the present embodiment, main carrier and auxiliary carrier wave independently do Stochastic accessing, the random access procedure of main carrier is with existing random access procedure, the random access procedure of auxiliary carrier wave is as follows, as shown in Figure 5:
S401, UE send random access guiding to base station on up main carrier.
Particularly, the PRACH that UE configures on up main carrier sends random access guiding to base station.
S402, base station send accidental access response by downlink main carrier to carry to UE according to random access guiding.
Particularly, after base station receives random access guiding, utilize random access leader sequence wherein, calculate Timing Advance, and give this UE allocation of channel resources and TemporaryC-RNTI, the Physical Downlink Shared Channel through downlink main carrier to carry sends, and is called accidental access response.
S403, UE send scheduling of upstream transmissions first according to accidental access response after receiving the accidental access response of base station transmission on up main carrier.
Particularly, UE sends scheduling of upstream transmissions first according to the signal channel resource allocation information in accidental access response on the Physical Uplink Shared Channel of up main carrier.
Complete at the random access procedure of main carrier through S401-S403, then, after S403, also comprise:
S404, UE send the auxiliary carrier wave access capability Indication message of UE to base station.
After the auxiliary carrier wave access capability of UE is known in S405, base station, RRC reconfiguration message is sent to UE, carry the mark of at least one upstream auxiliary carriers in RRC reconfiguration message, the upstream auxiliary carriers that RRC reconfiguration message is used to indicate the mark correspondence of the upstream auxiliary carriers that UE carries in RRC reconfiguration message initiates Stochastic accessing.
S406, UE send random access guiding to base station in upstream auxiliary carriers, and upstream auxiliary carriers is the upstream auxiliary carriers of the mark correspondence of arbitrary upstream auxiliary carriers of carrying in RRC reconfiguration message.
S407, base station send accidental access response by downlink main carrier to carry to UE.
S408, UE send scheduling of upstream transmissions first according to accidental access response in upstream auxiliary carriers.
Said process for be non-competing Stochastic accessing, for competition Stochastic accessing for, after S408, also comprise:
S409, base station send contention resolved message by downlink main carrier to carry to UE.
Fig. 6 is the structural representation of subscriber equipment embodiment one of the present invention, as shown in Figure 6, the subscriber equipment of the present embodiment can comprise: sending module 11 and receiver module 12, wherein, sending module 11, for sending random access guiding to base station on up main carrier, sends accidental access response by downlink main carrier to carry to UE according to random access guiding for base station.The accidental access response that receiver module 12 sends for receiving base station.Sending module 11 also for sending scheduling of upstream transmissions first according to accidental access response on up main carrier.
As the enforceable mode of one, receiver module 12 also for: to send first after scheduling of upstream transmissions on up main carrier according to accidental access response at sending module 11, receive base station send RRC signaling or PDCCH on DCI0, carry the mark of a upstream auxiliary carriers in DCI0 or RRC signaling.
Sending module 11 also for: in the upstream auxiliary carriers of the mark correspondence of upstream auxiliary carriers, send data.
As the enforceable mode of another kind, sending module 11 also for: send first after scheduling of upstream transmissions on up main carrier according to accidental access response, the auxiliary carrier wave access capability Indication message of UE is sent to base station, know the auxiliary carrier wave access capability of UE for base station after, RRC reconfiguration message is sent to UE, carry the mark of at least one upstream auxiliary carriers in RRC reconfiguration message, the upstream auxiliary carriers that RRC reconfiguration message is used to indicate the mark correspondence of the upstream auxiliary carriers that UE carries in RRC reconfiguration message initiates Stochastic accessing.
Sending module 11 also for: the upstream auxiliary carriers of the mark correspondence of the upstream auxiliary carriers of carrying in RRC reconfiguration message initiates Stochastic accessing.
Wherein, the upstream auxiliary carriers of the mark correspondence of the upstream auxiliary carriers that sending module 11 carries in RRC reconfiguration message initiates Stochastic accessing, specifically comprises:
Sending module 11 sends random access guiding to base station in upstream auxiliary carriers, send accidental access response by downlink main carrier to carry to UE for base station, upstream auxiliary carriers is the upstream auxiliary carriers of the mark correspondence of arbitrary upstream auxiliary carriers of carrying in RRC reconfiguration message.Receiver module 12 also for: receive base station send accidental access response.Sending module 11 sends scheduling of upstream transmissions first according to accidental access response in upstream auxiliary carriers.
Further, receiver module 12 also for: to send in upstream auxiliary carriers according to accidental access response first after scheduling of upstream transmissions at sending module 11, receive the contention resolved message that base station is sent to UE by downlink main carrier to carry.
What subscriber equipment embodiment illustrated in fig. 6 was corresponding can be used for the technical scheme performing embodiment of the method shown in Fig. 2, and it realizes principle and technique effect is similar, does not repeat them here.
Fig. 7 is the structural representation of base station embodiment one of the present invention, and as shown in Figure 7, the base station of the present embodiment can comprise: receiver module 21 and sending module 22, wherein, and the random access guiding that receiver module 21 sends on up main carrier for receiving UE.Sending module 22, for sending accidental access response by downlink main carrier to carry to UE according to random access guiding, sends scheduling of upstream transmissions first according to accidental access response for UE on up main carrier.Receiver module 21 also for: receive the scheduling of upstream transmissions first that sends on up main carrier of UE.
As the enforceable mode of one, sending module 22 also for:
After receiver module 21 receives the scheduling of upstream transmissions first that UE sends on up main carrier, the DCI0 on RRC signaling or PDCCH is sent to UE, carry the mark of a upstream auxiliary carriers in DCI0 or RRC signaling, in the upstream auxiliary carriers of the mark correspondence of upstream auxiliary carriers, send data for UE.Receiver module 21 also for: receive the data that send in the upstream auxiliary carriers of the mark correspondence of upstream auxiliary carriers of UE.
As the enforceable mode of another kind, receiver module 21 also for: after receiving the scheduling of upstream transmissions first that sends on up main carrier of UE, receive the auxiliary carrier wave access capability Indication message that UE sends.Sending module 22 also for: after knowing the auxiliary carrier wave access capability of UE, RRC reconfiguration message is sent to UE, carry the mark of at least one upstream auxiliary carriers in RRC reconfiguration message, the upstream auxiliary carriers that RRC reconfiguration message is used to indicate the mark correspondence of the upstream auxiliary carriers that UE carries in RRC reconfiguration message initiates Stochastic accessing.Receiver module 21 also for: receive the Stochastic accessing that the upstream auxiliary carriers of the mark correspondence of upstream auxiliary carriers that UE carries in RRC reconfiguration message is initiated.
Wherein, receiver module 21 receives the Stochastic accessing that UE initiates in upstream auxiliary carriers, specifically comprises:
Receive the random access guiding that UE sends in upstream auxiliary carriers, upstream auxiliary carriers is the upstream auxiliary carriers of the mark correspondence of arbitrary upstream auxiliary carriers of carrying in RRC reconfiguration message.Sending module 22 also for: send accidental access response by downlink main carrier to carry to UE, in upstream auxiliary carriers, send scheduling of upstream transmissions first for UE according to accidental access response.
Further, sending module 22 also for: send contention resolved message by downlink main carrier to carry to UE.
What base station embodiment illustrated in fig. 7 was corresponding can be used for the technical scheme performing embodiment of the method shown in Fig. 3, and it realizes principle and technique effect is similar, does not repeat them here.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each embodiment of the method can have been come by the hardware that program command is relevant.Aforesaid program can be stored in a computer read/write memory medium.This program, when performing, performs the step comprising above-mentioned each embodiment of the method; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (20)
1. the accidental access method under asymmetric up-link carrier polymerization, is characterized in that, comprising:
User equipment (UE) sends random access guiding to base station on up main carrier, sends accidental access response for described base station according to described random access guiding by downlink main carrier to carry to described UE;
Described UE receives the accidental access response that described base station sends;
Described UE sends scheduling of upstream transmissions first according to described accidental access response on described up main carrier.
2. method according to claim 1, is characterized in that, described UE sends first after scheduling of upstream transmissions according to described accidental access response on described up main carrier, also comprises:
Described UE receive described base station send radio resource control RRC signaling or physical downlink control channel PDCCH on down link control information DCI0, carry the mark of a upstream auxiliary carriers in described DCI0 or RRC signaling;
Described UE sends data in the upstream auxiliary carriers of the mark correspondence of described upstream auxiliary carriers.
3. method according to claim 1, is characterized in that, described UE sends first after scheduling of upstream transmissions according to described accidental access response on described up main carrier, also comprises:
Described UE sends the auxiliary carrier wave access capability Indication message of described UE to described base station, know the auxiliary carrier wave access capability of described UE for described base station after, RRC reconfiguration message is sent to described UE, carry the mark of at least one upstream auxiliary carriers in described RRC reconfiguration message, the upstream auxiliary carriers that described RRC reconfiguration message is used to indicate the mark correspondence of the upstream auxiliary carriers that described UE carries in described RRC reconfiguration message initiates Stochastic accessing;
The upstream auxiliary carriers of the mark correspondence of the upstream auxiliary carriers that described UE carries in described RRC reconfiguration message initiates Stochastic accessing.
4. method according to claim 3, is characterized in that, the upstream auxiliary carriers of the mark correspondence of the upstream auxiliary carriers that described UE carries in described RRC reconfiguration message initiates Stochastic accessing, comprising:
Described UE sends random access guiding to described base station in upstream auxiliary carriers, send accidental access response by described downlink main carrier to carry to described UE for described base station, described upstream auxiliary carriers is the upstream auxiliary carriers of the mark correspondence of arbitrary upstream auxiliary carriers of carrying in described RRC reconfiguration message;
Described UE receives the accidental access response that described base station sends;
Described UE sends scheduling of upstream transmissions first according to described accidental access response in described upstream auxiliary carriers.
5. method according to claim 4, is characterized in that, described UE sends first after scheduling of upstream transmissions according to described accidental access response in described upstream auxiliary carriers, also comprises:
Described UE receives the contention resolved message that described base station is sent to described UE by described downlink main carrier to carry.
6. the accidental access method under asymmetric up-link carrier polymerization, is characterized in that, comprising:
The random access guiding that base station receives user equipment UE sends on up main carrier;
Described base station sends accidental access response by downlink main carrier to carry to described UE according to described random access guiding, sends scheduling of upstream transmissions first for described UE according to described accidental access response on described up main carrier;
Described base station receives the scheduling of upstream transmissions first that described UE sends on described up main carrier.
7. method according to claim 6, is characterized in that, described base station also comprises after receiving the scheduling of upstream transmissions first that described UE sends on described up main carrier:
Described base station sends the down link control information DCI0 in radio resource control RRC signaling or physical downlink control channel PDCCH to described UE, carry the mark of a upstream auxiliary carriers in described DCI0 or RRC signaling, in the upstream auxiliary carriers of the mark correspondence of described upstream auxiliary carriers, send data for described UE;
Described base station receives the data that described UE sends in the upstream auxiliary carriers of the mark correspondence of described upstream auxiliary carriers.
8. method according to claim 6, is characterized in that, described base station also comprises after receiving the scheduling of upstream transmissions first that described UE sends on described up main carrier:
Described base station receives the auxiliary carrier wave access capability Indication message that described UE sends;
After the auxiliary carrier wave access capability of described UE is known in described base station, RRC reconfiguration message is sent to described UE, carry the mark of at least one upstream auxiliary carriers in described RRC reconfiguration message, the upstream auxiliary carriers that described RRC reconfiguration message is used to indicate the mark correspondence of the upstream auxiliary carriers that described UE carries in described RRC reconfiguration message initiates Stochastic accessing;
Described base station receives the Stochastic accessing that the upstream auxiliary carriers of the mark correspondence of the upstream auxiliary carriers that described UE carries in described RRC reconfiguration message is initiated.
9. method according to claim 8, is characterized in that, described base station receives the Stochastic accessing that described UE initiates in upstream auxiliary carriers, comprising:
Described base station receives the random access guiding that described UE sends in upstream auxiliary carriers, and described upstream auxiliary carriers is the upstream auxiliary carriers of the mark correspondence of arbitrary upstream auxiliary carriers of carrying in described RRC reconfiguration message;
Described base station sends accidental access response by described downlink main carrier to carry to described UE, sends scheduling of upstream transmissions first for described UE according to described accidental access response in described upstream auxiliary carriers.
10. method according to claim 9, is characterized in that, also comprises:
Described base station sends contention resolved message by described downlink main carrier to carry to described UE.
11. 1 kinds of subscriber equipmenies, is characterized in that, comprising:
Sending module, for sending random access guiding to base station on up main carrier, sends accidental access response by downlink main carrier to carry to described UE according to described random access guiding for described base station;
Receiver module, for receiving the accidental access response that described base station sends;
Described sending module also for sending scheduling of upstream transmissions first according to described accidental access response on described up main carrier.
12. subscriber equipmenies according to claim 11, it is characterized in that, described receiver module also for: to send first after scheduling of upstream transmissions on described up main carrier according to described accidental access response at described sending module, receive described base station send radio resource control RRC signaling or physical downlink control channel PDCCH on down link control information DCI0, carry the mark of a upstream auxiliary carriers in described DCI0 or RRC signaling;
Described sending module also for: in the upstream auxiliary carriers of the mark correspondence of described upstream auxiliary carriers, send data.
13. subscriber equipmenies according to claim 11, is characterized in that, described sending module also for:
Send first after scheduling of upstream transmissions on described up main carrier according to described accidental access response, the auxiliary carrier wave access capability Indication message of described UE is sent to described base station, know the auxiliary carrier wave access capability of described UE for described base station after, RRC reconfiguration message is sent to described UE, carry the mark of at least one upstream auxiliary carriers in described RRC reconfiguration message, the upstream auxiliary carriers that described RRC reconfiguration message is used to indicate the mark correspondence of the upstream auxiliary carriers that described UE carries in described RRC reconfiguration message initiates Stochastic accessing;
Described sending module also for: the upstream auxiliary carriers of the mark correspondence of the upstream auxiliary carriers of carrying in described RRC reconfiguration message initiates Stochastic accessing.
14. subscriber equipmenies according to claim 13, is characterized in that, the upstream auxiliary carriers of the mark correspondence of the upstream auxiliary carriers that described sending module carries in described RRC reconfiguration message initiates Stochastic accessing, comprising:
Described sending module sends random access guiding to described base station in upstream auxiliary carriers, send accidental access response by described downlink main carrier to carry to described UE for described base station, described upstream auxiliary carriers is the upstream auxiliary carriers of the mark correspondence of arbitrary upstream auxiliary carriers of carrying in described RRC reconfiguration message;
Described receiver module also for: receive described base station send accidental access response;
Described sending module sends scheduling of upstream transmissions first according to described accidental access response in described upstream auxiliary carriers.
15. subscriber equipmenies according to claim 14, it is characterized in that, described receiver module also for: to send in described upstream auxiliary carriers according to described accidental access response first after scheduling of upstream transmissions at described sending module, receive the contention resolved message that described base station is sent to described UE by described downlink main carrier to carry.
16. 1 kinds of base stations, is characterized in that, comprising:
Receiver module, for receiving the random access guiding that user equipment (UE) sends on up main carrier;
Sending module, for sending accidental access response by downlink main carrier to carry to described UE according to described random access guiding, sends scheduling of upstream transmissions first according to described accidental access response for described UE on described up main carrier;
Described receiver module also for: receive the scheduling of upstream transmissions first that described UE sends on described up main carrier.
17. base stations according to claim 16, is characterized in that, described sending module also for:
After described receiver module receives the scheduling of upstream transmissions first that described UE sends on described up main carrier, the down link control information DCI0 in radio resource control RRC signaling or physical downlink control channel PDCCH is sent to described UE, carry the mark of a upstream auxiliary carriers in described DCI0 or RRC signaling, in the upstream auxiliary carriers of the mark correspondence of described upstream auxiliary carriers, send data for described UE;
Described receiver module also for: receive the data that described UE sends in the upstream auxiliary carriers of the mark correspondence of described upstream auxiliary carriers.
18. base stations according to claim 16, is characterized in that, described receiver module also for: after receiving the scheduling of upstream transmissions first that sends on described up main carrier of described UE, receive the auxiliary carrier wave access capability Indication message that described UE sends;
Described sending module also for: after knowing the auxiliary carrier wave access capability of described UE, RRC reconfiguration message is sent to described UE, carry the mark of at least one upstream auxiliary carriers in described RRC reconfiguration message, the upstream auxiliary carriers that described RRC reconfiguration message is used to indicate the mark correspondence of the upstream auxiliary carriers that described UE carries in described RRC reconfiguration message initiates Stochastic accessing;
Described receiver module also for: receive the Stochastic accessing that the upstream auxiliary carriers of the mark correspondence of the upstream auxiliary carriers that described UE carries in described RRC reconfiguration message is initiated.
19. base stations according to claim 18, is characterized in that, described receiver module receives the Stochastic accessing that described UE initiates in upstream auxiliary carriers, comprising:
Receive the random access guiding that described UE sends in upstream auxiliary carriers, described upstream auxiliary carriers is the upstream auxiliary carriers of the mark correspondence of arbitrary upstream auxiliary carriers of carrying in described RRC reconfiguration message;
Described sending module also for: send accidental access response by described downlink main carrier to carry to described UE, in described upstream auxiliary carriers, send scheduling of upstream transmissions first according to described accidental access response for described UE.
20. base stations according to claim 19, is characterized in that, described sending module also for:
Contention resolved message is sent to described UE by described downlink main carrier to carry.
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| CN201910070072.6A CN109673057B (en) | 2014-10-13 | 2014-10-13 | Random access method and device under asymmetric uplink carrier aggregation |
| CN201410539927.2A CN105491675B (en) | 2014-10-13 | 2014-10-13 | Accidental access method and device under asymmetric up-link carrier polymerization |
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Also Published As
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| CN109673057A (en) | 2019-04-23 |
| CN105491675B (en) | 2019-03-26 |
| CN109673057B (en) | 2021-01-26 |
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