CN107623952A - Base station, user equipment and its accidental access method - Google Patents

Base station, user equipment and its accidental access method Download PDF

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Publication number
CN107623952A
CN107623952A CN201610554186.4A CN201610554186A CN107623952A CN 107623952 A CN107623952 A CN 107623952A CN 201610554186 A CN201610554186 A CN 201610554186A CN 107623952 A CN107623952 A CN 107623952A
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China
Prior art keywords
stochastic accessing
user equipment
information
cell
auxiliary
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CN201610554186.4A
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CN107623952B (en
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韩传华
邓云
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Spreadtrum Communications Shanghai Co Ltd
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Spreadtrum Communications Shanghai Co Ltd
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Abstract

Base station, user equipment and its accidental access method, the accidental access method of the user equipment include：Receive the downlink signaling for the triggering Stochastic accessing that base station is sent；The descending control signaling of the triggering Stochastic accessing aiding in authorizing the information of cell and authorizing cell to belong in same timing advance group in the auxiliary with the Stochastic accessing including Stochastic accessing arbitrarily aids in authorizing the configured information that Stochastic accessing is performed in access cell；Determine that the auxiliary that Stochastic accessing can be carried out in the timing advance group authorizes the information of access cell by listem-before-talk mechanism；Stochastic accessing is carried out in the identified auxiliary mandate access cell that can carry out Stochastic accessing.Above-mentioned scheme, the success rate that user equipment authorizes Stochastic accessing in cell in auxiliary can be improved.

Description

Base station, user equipment and its accidental access method
Technical field
The present invention relates to communication technical field, more particularly to a kind of base station, user equipment and its accidental access method.
Background technology
Carrier aggregation (Carrier Aggregation, CA), it is to meet that single user peak rate and power system capacity carry The requirement risen, is introduced in advanced Long Term Evolution (Long Term Evolution-Advanced, LTE-Advanced) system One increase transmission bandwidth technology.In carrier aggregation, user equipment have a main plot (Primary Cell, PCell), user equipment obtains the control signaling of the layers such as system message, beep-page message 3 from main plot, small supplemented by other cells are equal Area (Secondary Cell, SCell), secondary cell can be one or more.Main plot and secondary cell are referred to as serving cell. In practice, user equipment may be different for the timing advance (Timing Advance, TA) of different districts so that different Serving cell may belong to different timing advance groups (Timing Advance Group, TAG).Wherein, main plot will be included TAG be referred to as pTAG, the TAG not comprising main plot PCell is referred to as sTAG.The Radio Resource control that user equipment is sent by base station System (Radio Resource Control, RRC) signaling can know which timing advance group is secondary cell belong to.
3GPP LTE versions 14 (R14) introduce enhanced auxiliary and authorize access (Licensed-Assisted, Access LAA) characteristic, can support in unauthorized secondary cell to carry out transmitting uplink data on (LAA SCell).LAA SCell and The PCell/SCell (s) of mandate may belong to different timing advance groups (Timing Advance Group, TAG).This In the case of in order to carry out LAA SCell uplink synchronous, it is necessary to carry out Stochastic accessing on LAA SCell.
But user equipment possibly can not use the PRACH that base station (eNB) is distributed on LAA SCell in the prior art Resource carries out up transmission, there are problems that Stochastic accessing is low success rate of.
The content of the invention
The technical problem that the embodiment of the present invention solves is how to improve the success rate of Stochastic accessing on LAA SCell.
To solve the above problems, the embodiments of the invention provide a kind of accidental access method of user equipment, including：Receive The downlink signaling for the triggering Stochastic accessing that base station is sent；The downlink signaling of the triggering Stochastic accessing includes the auxiliary of Stochastic accessing Authorize the information of cell and arbitrarily aid in awarding in the auxiliary of the Stochastic accessing authorizes the timing advance group belonging to cell The configured information of Stochastic accessing is performed in power access cell；Determine to enter in the timing advance group by listem-before-talk mechanism The auxiliary of row Stochastic accessing authorizes the information of access cell；It is small in the identified auxiliary mandate access that can carry out Stochastic accessing Stochastic accessing is carried out in area.
Alternatively, methods described also includes：The information for the random access resource that the base station is configured is received, to use institute State random access resource and carry out Stochastic accessing in the identified auxiliary mandate cell that can carry out Stochastic accessing.
Alternatively, the random access resource is one or more groups of.
Alternatively, before random access resource described in every group includes PRACH time domains and frequency domain information and corresponding Stochastic accessing The information that dragline draws.
Alternatively, the information for receiving the random access resource that the base station is configured, including：The base station is received to lead to Cross the information of the random access resource of downlink signaling transmission.
Alternatively, the downlink signaling is physical layer control signaling.
Alternatively, the downlink signaling is the RRC signaling on main plot.
The embodiment of the present invention additionally provides the accidental access method of another user equipment, including：Sent to user equipment Trigger the downlink signaling of Stochastic accessing；The auxiliary that the downlink signaling of the triggering Stochastic accessing includes Stochastic accessing authorizes cell Information and arbitrary auxiliary authorizes access cell in the auxiliary of the Stochastic accessing authorizes timing advance group belonging to cell The upper configured information for performing Stochastic accessing, to cause the user equipment to determine the timing advance group by listem-before-talk mechanism In can carry out the auxiliary of Stochastic accessing and authorize the information of access cell, and in the identified auxiliary that can carry out Stochastic accessing Authorize and carry out Stochastic accessing in access cell.
Alternatively, methods described also includes：
The information of configured random access resource is sent to user equipment, with cause the user equipment use it is described with Machine access-in resource carries out Stochastic accessing in the identified auxiliary mandate cell that can carry out Stochastic accessing.
Alternatively, the random access resource is one or more groups of.
Alternatively, before random access resource described in every group includes PRACH time domains and frequency domain information and corresponding Stochastic accessing The information that dragline draws.
Alternatively, the information that configured random access resource is sent to user equipment, including：Pass through downlink signaling The information of the random access resource configured sent to the user equipment.
Alternatively, the downlink signaling is physical layer control signaling.
Alternatively, the downlink signaling is the RRC signaling on main plot.
The embodiment of the present invention additionally provides a kind of user equipment, and the user equipment includes：Receiving unit, suitable for receiving base Stand send triggering Stochastic accessing downlink signaling；The descending control signaling of the triggering Stochastic accessing includes the auxiliary of Stochastic accessing Help the information for authorizing cell and arbitrarily aided in the auxiliary of the Stochastic accessing authorizes the timing advance group belonging to cell Authorize the configured information that Stochastic accessing is performed in access cell；Stochastic accessing unit, suitable for determining institute by listem-before-talk mechanism State can be carried out in timing advance group Stochastic accessing auxiliary authorize access cell information, and it is identified can carry out with Stochastic accessing is carried out in the auxiliary mandate access cell of machine access.
Alternatively, the receiving unit, it is further adapted for the information for receiving the random access resource that the base station is configured, so that With the random access resource Stochastic accessing is carried out in the identified auxiliary mandate cell that can carry out Stochastic accessing.
Alternatively, the random access resource is one or more groups of.
Alternatively, before random access resource described in every group includes PRACH time domains and frequency domain information and corresponding Stochastic accessing The information that dragline draws.
Alternatively, the receiving unit, the Stochastic accessing transmitted suitable for receiving the base station by downlink signaling provide The information in source.
Alternatively, the downlink signaling is physical layer control signaling.
Alternatively, the downlink signaling is the RRC signaling on main plot.
The embodiment of the present invention additionally provides a kind of base station, and the base station includes：Trigger element, suitable for being sent to user equipment Trigger the downlink signaling of Stochastic accessing；The downlink signaling of the triggering Stochastic accessing includes the auxiliary mandate cell of Stochastic accessing Information and arbitrary auxiliary authorizes access small in the auxiliary of the Stochastic accessing authorizes timing advance group belonging to cell The configured information of Stochastic accessing is performed in area, to cause the user equipment to determine the timing advance by listem-before-talk mechanism The auxiliary that Stochastic accessing can be carried out in group authorizes the information of access cell, and can carry out the auxiliary of Stochastic accessing identified Help in mandate access cell and carry out Stochastic accessing.
Alternatively, the base station also includes：Transmitting element, suitable for sending configured random access resource to user equipment Information, to cause the user equipment using the random access resource in the identified auxiliary that can carry out Stochastic accessing Authorize and carry out Stochastic accessing in cell.
Alternatively, the random access resource is one or more groups of.
Alternatively, before random access resource described in every group includes PRACH time domains and frequency domain information and corresponding Stochastic accessing The information that dragline draws.
Alternatively, the transmitting element, suitable for random to being configured of sending of the user equipment by downlink signaling The information of access-in resource.
Alternatively, the transmitting element, suitable for being configured by physical layer control signaling to what the user equipment was sent Random access resource information.
Alternatively, the transmitting element, suitable for being matched somebody with somebody by the RRC signaling on main plot to what the user equipment was sent The information for the random access resource put.
Compared with prior art, technical scheme has the following advantages that：
Above-mentioned scheme, when receiving the downlink signaling for the triggering Stochastic accessing that base station is sent, user equipment passes through first Listem-before-talk mechanism, which determines that the multiple auxiliary mandates for belonging to same timing advance group are accessed in cell, can carry out Stochastic accessing Auxiliary authorizes the information of access cell, and is authorized in identified auxiliary and carry out Stochastic accessing in access cell, rather than only in base Stochastic accessing is carried out in the unique auxiliary mandate access cell for standing specified, thus user equipment can be improved and authorized in auxiliary Access in cell and carry out the success rate of Stochastic accessing, lift the usage experience of user.
Further, base station is user device configuration one or more groups of random access resources different in time domain, is used Family equipment can use base station be configured one or more groups of random when receiving the signaling of triggering Stochastic accessing of base station Any group of random access resource in access-in resource, authorized in auxiliary and carry out Stochastic accessing in access cell, can further carried High user equipment authorizes the success rate that Stochastic accessing is carried out in access cell in auxiliary, lifts the usage experience of user.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the accidental access method of user equipment in the embodiment of the present invention；
Fig. 2 is the flow chart of the accidental access method of another user equipment in the embodiment of the present invention；
Fig. 3 is the flow chart of the accidental access method of another user equipment in the embodiment of the present invention；
Fig. 4 is a kind of structural representation of user equipment in the embodiment of the present invention；
Fig. 5 is a kind of structural representation of base station in the embodiment of the present invention.
Embodiment
To solve problems of the prior art, the technical scheme that the embodiment of the present invention uses is by receiving base station hair During the downlink signaling of the triggering Stochastic accessing sent, user equipment determines to belong to same timing advance first by listem-before-talk mechanism The auxiliary that Stochastic accessing can be carried out in multiple auxiliary mandates access cell of group authorizes the information of access cell, and is being determined Auxiliary mandate access cell on carry out Stochastic accessing, can improve user equipment auxiliary authorize carried out in access cell it is random The success rate of access, lift the usage experience of user.
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with the accompanying drawings to the present invention Specific embodiment be described in detail.
Fig. 1 shows a kind of flow chart of the accidental access method of user equipment in the embodiment of the present invention.As shown in Figure 1 User equipment accidental access method, the steps can be included：
Step S101：Receive the downlink signaling for the triggering Stochastic accessing that base station is sent；It is described to trigger the descending of Stochastic accessing The auxiliary that signaling includes Stochastic accessing authorizes the information of cell and aids in determining belonging to mandate cell in the Stochastic accessing Arbitrary auxiliary authorizes the configured information that Stochastic accessing is performed in access cell in Shi Tiqian groups.
In specific implementation, the downlink signaling is physical layer control signaling.For example, use the descending of the 1A forms extended The auxiliary that control information (DCI) carries Stochastic accessing authorizes the information of cell and the auxiliary mandate cell in the Stochastic accessing Arbitrary auxiliary authorizes the configured information that Stochastic accessing is performed in access cell in affiliated same timing advance group.
Step S102：The auxiliary for by listem-before-talk mechanism determining that Stochastic accessing can be carried out in the timing advance group is awarded The information of power access cell.
In specific implementation, in the downlink signaling for the triggering Stochastic accessing for receiving base station transmission, user equipment can be Multiple LAA SCell in the timing advance group are performed both by listem-before-talk, to be determined to which in the timing advance group Stochastic accessing is performed on individual LAA SCell.
Step S103：Stochastic accessing is carried out in the identified auxiliary mandate access cell that can carry out Stochastic accessing.
In specific implementation, when it is determined that the LAA SCell of Stochastic accessing can be carried out in the timing advance group, user Equipment can carry out sending what the random access guiding index corresponding to determined on the LAA SCell of Stochastic accessing at this Random access lead code, to perform Stochastic accessing.
Further details of Jie is done to the accidental access method of the user equipment in the embodiment of the present invention below in conjunction with Fig. 2 Continue.
Referring to Fig. 2, in specific implementation, the accidental access method of another user equipment in the embodiment of the present invention can be with Including the steps：
Step S201：Base station to user equipment send triggering Stochastic accessing downlink signaling, the downlink signaling include with The auxiliary of machine access authorizes the information of cell and in the timing advance group aided in belonging to mandate cell of the Stochastic accessing Arbitrary auxiliary authorizes the configured information that Stochastic accessing is performed in access cell.
In specific implementation, the downlink signaling of the triggering Stochastic accessing is physical layer control signaling, the physical layer control The information for the auxiliary mandate cell for including Stochastic accessing and the auxiliary mandate cell in the Stochastic accessing are carried in signaling processed Arbitrary auxiliary authorizes the configured information that Stochastic accessing is performed in access cell in affiliated timing advance group.In other words, use Stochastic accessing is performed on any one LAA SCell that family equipment can be in the timing advance group.
Step S202：User equipment receive base station send triggering Stochastic accessing downlink signaling, and from it is described triggering with The auxiliary that Stochastic accessing is parsed in the downlink signaling of machine access authorizes the information of cell and the auxiliary in the Stochastic accessing Arbitrary auxiliary in the timing advance group belonging to cell is authorized to authorize the configured information for performing Stochastic accessing in access cell.
In specific implementation, user equipment, can be with when receiving the downlink signaling of triggering Stochastic accessing of base station transmission The auxiliary that Stochastic accessing is parsed from the downlink signaling of the triggering Stochastic accessing received authorizes the information of cell and in institute State to perform in arbitrary auxiliary mandate access cell in the timing advance group belonging to the auxiliary mandate cell of Stochastic accessing and connect at random The configured information entered.User equipment authorizes the information of cell and in the Stochastic accessing in the auxiliary for parsing Stochastic accessing Auxiliary authorizes the configured information for arbitrarily performing Stochastic accessing in the timing advance group belonging to cell in auxiliary mandate access cell, It can know that base station indicates that oneself can belong to any LAA SCell by TAG in the LAA SCell with the Stochastic accessing Upper execution Stochastic accessing.
Step S203：User equipment determines that Stochastic accessing can be carried out in the timing advance group by listem-before-talk mechanism Auxiliary authorize the information of access cell, and carried out in the auxiliary mandate access cell that Stochastic accessing can be carried out identified Stochastic accessing.
In specific implementation, user equipment is receiving the downlink signaling of the triggering Stochastic accessing of base station transmission and therefrom solved The auxiliary for separating out Stochastic accessing authorizes the information of cell and authorizes the timing belonging to cell to carry in the auxiliary of the Stochastic accessing , can be in the timing advance group when arbitrary auxiliary authorizes the configured information of execution Stochastic accessing in access cell in preceding group Each LAA SCell on be performed both by listem-before-talk, so which to be determined in the timing advance group in multiple LAA SCell Stochastic accessing is performed on individual LAA SCell, and the LAA SCell of Stochastic accessing can be carried out in timing advance group determination When, sent on the LAA SCell that this can carry out Stochastic accessing corresponding with the random access guiding index parsed random Access lead code.
Base station when receiving user equipment in the lead code sent on the LAA SCell that can carry out Stochastic accessing, Accidental access response is sent to user equipment on corresponding main plot, is carried so that user equipment can obtain the timing The information of preceding group of timing advance, and then perform uplink synchronous.
Referring to Fig. 3, in specific implementation, the accidental access method of another user equipment in the embodiment of the present invention can be with Including the steps：
Step S301：Base station sends the information of one or more groups of random access resources to user equipment.
In an embodiment of the present invention, base station can in advance will be described one or more groups of by the RRC signaling on main plot The information of random access resource send to user equipment.Wherein, in one or more groups of random access resource every group with Machine access-in resource includes the information of PRACH time domains and frequency domain information and corresponding random access guiding index, and each group connects at random It is different on time-domain position to enter the PRACH resources in resource, i.e., positioned at different subframes.
Step S302：Base station sends the downlink signaling of triggering Stochastic accessing to user equipment；The triggering Stochastic accessing The auxiliary that downlink signaling includes Stochastic accessing is authorized belonging to the information of cell and the auxiliary mandate cell in the Stochastic accessing Timing advance group in arbitrary auxiliary authorize the configured information that Stochastic accessing is performed in access cell.
Step S303：User equipment receive base station send triggering Stochastic accessing downlink signaling, and from it is described triggering with The auxiliary that Stochastic accessing is parsed in the downlink signaling of machine access authorizes the information of cell and the auxiliary in the Stochastic accessing Arbitrary auxiliary in the timing advance group belonging to cell is authorized to authorize the configured information for performing Stochastic accessing in access cell.
Step S302 to the S303 introduction for performing the appropriate section in embodiment shown in Figure 2, herein no longer Repeat.
Step S304：User equipment determines that Stochastic accessing can be carried out in the timing advance group by listem-before-talk mechanism Auxiliary authorize the information of access cell, and provided using one group of Stochastic accessing in one or more groups of random access resource Source carries out Stochastic accessing in the identified auxiliary mandate access cell that can carry out Stochastic accessing.
In specific implementation, user equipment is receiving the downlink signaling for the triggering Stochastic accessing that base station is sent, and passes through , can be according in each group random access resource when listem-before-talk mechanism is determined to carry out the LAA SCell of Stochastic accessing PRACH resources time-domain position order, corresponding PRACH is used on the identified LAA SCell that can carry out Stochastic accessing Resource sends corresponding random access lead code, so as to further improve the success rate that Stochastic accessing is performed on LAA SCell.
The accidental access method of the above-mentioned user equipment in the embodiment of the present invention is described in detail, below will be to upper Device corresponding to the method stated is introduced.
Fig. 4 shows a kind of structure of user equipment in the embodiment of the present invention.Referring to Fig. 4, in specific implementation, this hair User equipment 400 in bright embodiment can include receiving unit 401 and Stochastic accessing unit 402, wherein：
The receiving unit 401, the downlink signaling of the triggering Stochastic accessing sent suitable for receiving base station；The triggering is random The auxiliary that the downlink signaling of access includes Stochastic accessing authorizes the information of cell and small in the auxiliary mandate of the Stochastic accessing Arbitrary auxiliary authorizes the configured information that Stochastic accessing is performed in access cell in timing advance group belonging to area.
In an embodiment of the present invention, the receiving unit 401, it is further adapted for receiving the Stochastic accessing that the base station is configured The information of resource, with enterprising in the identified auxiliary mandate cell that can carry out Stochastic accessing using the random access resource Row Stochastic accessing.
In specific implementation, the random access resource is one or more groups of, and random access resource described in every group includes The information of PRACH resources and corresponding random access guiding index.
In specific implementation, the receiving unit 401, suitable for receive the base station by described in downlink signaling transmission with The information of machine access-in resource.In an embodiment of the present invention, the downlink signaling is physical layer control signaling.It is another in the present invention In embodiment, the downlink signaling is the RRC signaling on main plot.
The Stochastic accessing unit 402, suitable for determining to carry out in the timing advance group by listem-before-talk mechanism The auxiliary of Stochastic accessing authorizes the information of access cell, and small in the identified auxiliary mandate access that can carry out Stochastic accessing Stochastic accessing is carried out in area.
A kind of structure of base station in Fig. 5 embodiment of the present invention.Referring to Fig. 5, in specific implementation, in the embodiment of the present invention Base station 500 can include trigger element 501, wherein：
The trigger element 501, suitable for sending the downlink signaling of triggering Stochastic accessing to user equipment；The triggering is random The auxiliary that the downlink signaling of access includes Stochastic accessing authorizes the information of cell and small in the auxiliary mandate of the Stochastic accessing Arbitrary auxiliary authorizes the configured information that Stochastic accessing is performed in access cell in timing advance group belonging to area, described to cause User equipment determines that the auxiliary mandate access that Stochastic accessing can be carried out in the timing advance group is small by listem-before-talk mechanism The information in area, and carry out Stochastic accessing in the identified auxiliary mandate access cell that can carry out Stochastic accessing.
In an embodiment of the present invention, the base station 500 also includes transmitting element 502, wherein：
The transmitting element 502, suitable for sending the information of configured random access resource to user equipment, to cause User equipment is stated to carry out in the identified auxiliary mandate cell that can carry out Stochastic accessing using the random access resource Stochastic accessing.
In specific implementation, the random access resource is one or more groups of, and random access resource described in every group includes The information of PRACH time domains and frequency domain information and corresponding random access guiding index.
In specific implementation, the transmitting element 502, suitable for being matched somebody with somebody by downlink signaling to what the user equipment was sent The information for the random access resource put.
In an embodiment of the present invention, the transmitting element 502, suitable for being set by physical layer control signaling to the user The information for the random access resource configured that preparation is sent.
In an embodiment of the present invention, the transmitting element 502, suitable for by the RRC signaling on main plot to the use The information for the random access resource configured that family equipment is sent.
Compared with prior art, technical scheme has the following advantages that：
Above-mentioned scheme, user equipment determine to belong to the multiple auxiliary of same timing advance group first by listem-before-talk mechanism Help to authorize and access in cell the information that the auxiliary that can carry out Stochastic accessing authorizes access cell, when the triggering for receiving base station transmission The downlink signaling of Stochastic accessing, user equipment can authorize in identified auxiliary and carry out Stochastic accessing in access cell, rather than Stochastic accessing only is carried out in unique auxiliary mandate access cell specified by base station, thus user equipment can be improved auxiliary The success rate for authorizing and Stochastic accessing being carried out in access cell is helped, lifts the usage experience of user.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can To instruct the hardware of correlation to complete by program, the program can be stored in computer-readable recording medium, and storage is situated between Matter can include：ROM, RAM, disk or CD etc..
The method and system of the embodiment of the present invention are had been described in detail above, the present invention is not limited thereto.Any Art personnel, without departing from the spirit and scope of the present invention, it can make various changes or modifications, therefore the guarantor of the present invention Shield scope should be defined by claim limited range.

Claims (28)

  1. A kind of 1. accidental access method of user equipment, it is characterised in that including：
    Receive the downlink signaling for the triggering Stochastic accessing that base station is sent；The downlink signaling of the triggering Stochastic accessing includes connecing at random The auxiliary entered authorizes the information of cell and belonged in the auxiliary mandate cell with the Stochastic accessing in same timing advance group Arbitrary auxiliary authorizes the configured information that Stochastic accessing is performed in access cell；
    Determine that the auxiliary that Stochastic accessing can be carried out in the timing advance group authorizes access cell by listem-before-talk mechanism Information；
    Stochastic accessing is carried out in the identified auxiliary mandate access cell that can carry out Stochastic accessing.
  2. 2. the accidental access method of user equipment according to claim 1, it is characterised in that also include：
    The information for the random access resource that the base station is configured is received, to use the random access resource in identified energy Enough carry out carrying out Stochastic accessing in the auxiliary mandate cell of Stochastic accessing.
  3. 3. the accidental access method of user equipment according to claim 2, it is characterised in that the random access resource is It is one or more groups of.
  4. 4. the accidental access method of user equipment according to claim 3, it is characterised in that Stochastic accessing described in every group provides Source includes the information of PRACH time domains and frequency domain information and corresponding random access guiding index.
  5. 5. the accidental access method of user equipment according to claim 2, it is characterised in that described to receive the base station institute The information of the random access resource of configuration, including：
    Receive the information for the random access resource that the base station is transmitted by downlink signaling.
  6. 6. the accidental access method of user equipment according to claim 5, it is characterised in that the downlink signaling is physics Layer control signaling.
  7. 7. the accidental access method of user equipment according to claim 5, it is characterised in that small based on the downlink signaling RRC signaling in area.
  8. A kind of 8. accidental access method of user equipment, it is characterised in that including：
    The downlink signaling of triggering Stochastic accessing is sent to user equipment；The downlink signaling of the triggering Stochastic accessing includes connecing at random It is any in timing advance group belonging to the information of the auxiliary mandate cell entered and the auxiliary mandate cell in the Stochastic accessing Auxiliary authorize access cell on perform Stochastic accessing configured information, to cause the user equipment to pass through listem-before-talk mechanism The auxiliary for determining can to carry out Stochastic accessing in the timing advance group authorizes the information of access cell, and it is identified can Carry out carrying out Stochastic accessing in the auxiliary mandate access cell of Stochastic accessing.
  9. 9. the accidental access method of user equipment according to claim 8, it is characterised in that also include：
    The information of configured random access resource is sent to user equipment, to cause the user equipment to be connect at random using described Enter resource and carry out Stochastic accessing in the identified auxiliary mandate cell that can carry out Stochastic accessing.
  10. 10. the accidental access method of user equipment according to claim 9, it is characterised in that the random access resource To be one or more groups of.
  11. 11. the accidental access method of user equipment according to claim 10, it is characterised in that Stochastic accessing described in every group Resource includes the information of PRACH time domains and frequency domain information and corresponding random access guiding index.
  12. 12. the accidental access method of user equipment according to claim 9, it is characterised in that described to be sent out to user equipment The information of configured random access resource is sent, including：
    The information of the random access resource configured sent by downlink signaling to the user equipment.
  13. 13. the accidental access method of user equipment according to claim 12, it is characterised in that the downlink signaling is thing Manage layer control signaling.
  14. 14. the accidental access method of user equipment according to claim 12, it is characterised in that based on the downlink signaling RRC signaling in cell.
  15. A kind of 15. user equipment, it is characterised in that including：
    Receiving unit, the downlink signaling of the triggering Stochastic accessing sent suitable for receiving base station；It is described to trigger the descending of Stochastic accessing The auxiliary that signaling includes Stochastic accessing authorizes the information of cell and aids in determining belonging to mandate cell in the Stochastic accessing Arbitrary auxiliary authorizes the configured information that Stochastic accessing is performed in access cell in Shi Tiqian groups；
    Stochastic accessing unit, suitable for determining that the auxiliary of Stochastic accessing can be carried out in the timing advance group by listem-before-talk mechanism The information for authorizing access cell is helped, and is carried out at random in the identified auxiliary mandate access cell that can carry out Stochastic accessing Access.
  16. 16. user equipment according to claim 15, it is characterised in that the receiving unit, be further adapted for receiving the base Stand the information of configured random access resource, so that Stochastic accessing can be carried out identified using the random access resource Auxiliary mandate cell on carry out Stochastic accessing.
  17. 17. user equipment according to claim 16, it is characterised in that the random access resource is one or more groups of.
  18. 18. user equipment according to claim 17, it is characterised in that random access resource described in every group includes PRACH The information of time domain and frequency domain information and corresponding random access guiding index.
  19. 19. user equipment according to claim 15, it is characterised in that the receiving unit, suitable for receiving the base station The information of the random access resource transmitted by downlink signaling.
  20. 20. user equipment according to claim 19, it is characterised in that the downlink signaling is physical layer control signaling.
  21. 21. user equipment according to claim 19, it is characterised in that the downlink signaling is the RRC letters on main plot Order.
  22. A kind of 22. base station, it is characterised in that including：
    Trigger element, suitable for sending the downlink signaling of triggering Stochastic accessing to user equipment；It is described to trigger the descending of Stochastic accessing The auxiliary that signaling includes Stochastic accessing authorizes the information of cell and aids in determining belonging to mandate cell in the Stochastic accessing Arbitrary auxiliary authorizes the configured information that Stochastic accessing is performed in access cell in Shi Tiqian groups, to cause the user equipment to lead to Cross listem-before-talk mechanism and determine that the auxiliary that Stochastic accessing can be carried out in the timing advance group authorizes the information of access cell, and Stochastic accessing is carried out in the identified auxiliary mandate access cell that can carry out Stochastic accessing.
  23. 23. base station according to claim 22, it is characterised in that also include：
    Transmitting element, suitable for sending the information of configured random access resource to user equipment, to cause the user equipment Using the random access resource Stochastic accessing is carried out in the identified auxiliary mandate cell that can carry out Stochastic accessing.
  24. 24. base station according to claim 23, it is characterised in that the random access resource is one or more groups of.
  25. 25. base station according to claim 24, it is characterised in that random access resource described in every group includes PRACH time domains The information indexed with frequency domain information and corresponding random access guiding.
  26. 26. base station according to claim 23, it is characterised in that the transmitting element, suitable for by downlink signaling to institute State the information of the random access resource configured of user equipment transmission.
  27. 27. base station according to claim 26, it is characterised in that the transmitting element, believe suitable for being controlled by physical layer Make the information of the random access resource configured sent to the user equipment.
  28. 28. base station according to claim 26, it is characterised in that the transmitting element, suitable for passing through the RRC on main plot The information for the random access resource configured that signaling is sent to the user equipment.
CN201610554186.4A 2016-07-14 2016-07-14 Base station, user equipment and random access method thereof Active CN107623952B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102036411A (en) * 2010-12-02 2011-04-27 大唐移动通信设备有限公司 Method and device for random access
CN102348197A (en) * 2011-04-29 2012-02-08 电信科学技术研究院 Method, system and device for triggering and launching random access
CN103716895A (en) * 2012-09-29 2014-04-09 中兴通讯股份有限公司 Resource determining method and device for physical random access channel
US20150071198A1 (en) * 2012-03-19 2015-03-12 Alcatel Lucent Method of randomly accessing a secondary cell and receiving data

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102036411A (en) * 2010-12-02 2011-04-27 大唐移动通信设备有限公司 Method and device for random access
CN102348197A (en) * 2011-04-29 2012-02-08 电信科学技术研究院 Method, system and device for triggering and launching random access
US20150071198A1 (en) * 2012-03-19 2015-03-12 Alcatel Lucent Method of randomly accessing a secondary cell and receiving data
CN103716895A (en) * 2012-09-29 2014-04-09 中兴通讯股份有限公司 Resource determining method and device for physical random access channel

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
INTEL CORPORATION: "PRACH Design for eLAA", 《3GPP TSG RAN WG1 MEETING #84BIS,R1-162358》 *
INTEL CORPORATION: "PRACH Transmission for eLAA", 《3GPP TSG RAN WG1 MEETING #85 ，R1-164131》 *

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Inventor after: Han Chuanhua

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Inventor before: Deng Yun