CN110351875A - A kind of secondary cell wave beam failure recovery method, terminal and base station - Google Patents

A kind of secondary cell wave beam failure recovery method, terminal and base station Download PDF

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Publication number
CN110351875A
CN110351875A CN201810299403.9A CN201810299403A CN110351875A CN 110351875 A CN110351875 A CN 110351875A CN 201810299403 A CN201810299403 A CN 201810299403A CN 110351875 A CN110351875 A CN 110351875A
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CN
China
Prior art keywords
random access
downlink
secondary cell
terminal
resource
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CN201810299403.9A
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Chinese (zh)
Inventor
谌丽
皮埃尔
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Datang Mobile Communications Equipment Co Ltd
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Telecommunications Science and Technology Research Institute Co Ltd
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Application filed by Telecommunications Science and Technology Research Institute Co Ltd filed Critical Telecommunications Science and Technology Research Institute Co Ltd
Priority to CN201810299403.9A priority Critical patent/CN110351875A/en
Priority to PCT/CN2019/077655 priority patent/WO2019192286A1/en
Publication of CN110351875A publication Critical patent/CN110351875A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/18—Network planning tools
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure

Abstract

The present invention provides a kind of secondary cell wave beam failure recovery method, terminal and base station, solve the problems, such as that terminal can not achieve wave beam failure recovery process in secondary cell.The method comprise the steps that sending random access request on secondary cell up-link carrier；On the downlink control resource collection CORESET of base station configuration, the random access response that base station is sent according to the random access request is received.The restoration methods of the embodiment of the present invention, it can be realized under carrier wave polymerization CA, wave beam failure recovery process of the terminal on secondary cell SCell, so that terminal is correctly completed the identification of the uplink and downlink wave beam in secondary cell and matching, so that terminal can work normally in secondary cell, while it can also be achieved the reasonable utilization of uplink and downlink resource.

Description

A kind of secondary cell wave beam failure recovery method, terminal and base station
Technical field
The present invention relates to the technical field of communications applications more particularly to a kind of secondary cell wave beam failure recovery methods, terminal And base station.
Background technique
In 5G NR system, the mode that wave beam forming is widely used is transmitted, and terminal and base station are uploaded in determining wave beam The reception of defeated signaling and data, base station and terminal, send wave interfascicular have corresponding relationship.When terminal measures the wave beam of work at present Channel quality is bad, needs to initiate wave beam failure recovery (Beam Failure Recovery, BFR) process, which is to pass through What random access was realized, specially terminal selects particular beam, initiates random access, thinks selected at this after random access success Wave beam failure recovery is completed on wave beam.Random access procedure for wave beam failure recovery can be non-competing random access or Compete random access.Wave beam failure recovery refers to that terminal picks up the wave beam beam that channel quality is met the requirements, specific table Now new available synchronization signal block (Synchronization Signal Block, SSB) or channel shape are chosen for terminal State information reference signal (Channel State Information Reference Signal, CSI-RS), different SSB or CSI-RS is corresponding from different beam.In being described below, beam is selected to be equal to selection SSB or CSI-RS.
Non-competing random access for BFR includes: that network side is that terminal configures alternative beam set (candidate Beam set), non-competing access-in resource (PRACH resource and/or preamble are distributed on multiple wave beams of alternative beam set Code), if terminal, which is selected on wave beam, non-competing random access resource, non-competing random access is initiated, terminal sends random After access request Msg1 (uplink), in the control of the reception physical downlink control channel PDCCH order of configuration within setup time In resource collection (Control resource set, CORESET), the terminal housing estate radio network temporary identifier is received (Cell Radio Network Temporary Identifier, C-RNTI) scrambled PDCCH order (downlink), then it is assumed that Non-competing random access success, i.e. terminal obtain available uplink and downlink wave beam pair.
If the competition random access for BFR includes: that the wave beam in alternative beam set is all unsatisfactory for channel quality item Part, terminal can initiate competition random access on the preferable wave beam of other channel qualities, carry out wave beam failure recovery.Competition with Machine access procedure is consistent with other competition random access procedures under connected state.Complete competition random access after, terminal according to Uplink and downlink wave beam in machine access procedure determines available uplink and downlink wave beam pair after wave beam failure recovery.
The prior art is the wave beam failure recovery process under single subdistrict, passes through the uplink and downlink wave beam in random access procedure Send and receive and directly acquire available uplink and downlink wave beam corresponding relationship in cell.Under CA (carrier wave polymerization), terminal is more It works in a cell, is not configured to send the public search space of random access response on the descending carrier of secondary cell SCell, That is random access response Msg2 cannot be sent on SCell, random access response Msg2 can only be sent on the PCell of main plot.This Sample cannot obtain uplink and downlink wave beam corresponding relationship by random access procedure, i.e., cannot really realize wave beam failure recovery, just Often carry out subsequent data transmission procedure.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of secondary cell wave beam failure recovery method, terminal and base station, with solution Certainly terminal is the problem of can not achieve wave beam failure recovery process in secondary cell.
To achieve the goals above, the embodiment of the invention provides a kind of secondary cell wave beam failure recovery method, it is applied to Terminal, comprising:
Random access request is sent on secondary cell up-link carrier；
On the downlink control resource collection CORESET of base station configuration, receives base station and sent out according to the random access request The random access response sent.
It is wherein, described before the step of sending random access request on secondary cell up-link carrier, further includes:
The non-competing random access resource for wave beam failure recovery BFR that base station is sent is received to configure；
The non-competing random access resource, which configures, includes:
The non-competing random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It measures on secondary cell descending carrier for downlink, and is measured with the non-competing random access resource corresponding first Resource；And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET is located at the public search space CSS of main plot descending carrier or main plot downlink carries The terminal-specific search space USS of wave；
Alternatively, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
The first measurement resource is synchronization signal block SSB or channel state information reference signals CSI-RS；
The random access response is the response of wave beam failure recovery.
It is wherein, described the step of sending random access request on secondary cell up-link carrier, comprising:
When initiating wave beam failure recovery BFR, the first measurement resource is measured, selects channel quality to be greater than pre- If the first object of threshold value measures resource, and determines the corresponding first object downlink wave beam side of the first object measurement resource To；
On the non-competing random access resource on the corresponding uplink beam direction in first object downlink wave beam direction, Send random access request.
Wherein, the wave beam failure recovery response are as follows: under the physics of tape terminal Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI Row physical control channel PDCCH.
It is wherein, described before the step of sending random access request on secondary cell up-link carrier, further includes:
Receive the competition random access resource configuration that base station is sent；
The competition random access resource configures
The competition random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It is measured on secondary cell descending carrier for downlink, and the second measurement money corresponding with the competition random access resource Source；And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET in the competition random access resource configuration is located at the public of main plot descending carrier The terminal-specific search space USS of search space CSS or main plot descending carrier；
The second measurement resource is SSB or CSI-RS.
It is wherein, described the step of sending random access request on secondary cell up-link carrier, comprising:
When initiating BFR, the second target that selection channel quality is greater than preset threshold in the second measurement resource is surveyed Resource is measured, and on the corresponding competition random access resource of the second target measurement resource, sends random access request.
Wherein, described on the downlink control resource collection CORESET of base station configuration, it receives base station and is connect at random according to described After the step of entering the random access response that request is sent, further includes:
After the completion of random access procedure, the secondary cell downlink wave beam instruction that base station is sent is received.
To achieve the goals above, the embodiment of the invention also provides a kind of secondary cell wave beam failure recovery method, applications In base station, comprising:
Receive the random access request that terminal is sent on secondary cell up-link carrier；
According to the random access request, sent on the downlink control resource collection CORESET configured for terminal random Access response.
Wherein, it before the reception terminal is the random access request sent on secondary cell up-link carrier the step of, also wraps It includes:
It sends to terminal and is configured for the non-competing random access resource of wave beam failure recovery BFR；
The non-competing random access resource configuration includes: on secondary cell up-link carrier for the non-competing of wave beam failure recovery Strive random access resource；
It measures on secondary cell descending carrier for downlink, and is measured with the non-competing random access resource corresponding first Resource；And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET is located at the public search space CSS of main plot descending carrier or main plot downlink carries The terminal-specific search space USS of wave；
Alternatively, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
The first measurement resource is synchronization signal block SSB or channel state information reference signals CSI-RS；
The random access response is the response of wave beam failure recovery.
Wherein, the downlink CORESET is located at the public search space CSS of main plot descending carrier or main plot downlink carries The terminal-specific search space USS of wave；
It is described according to the random access request, sent on the downlink control resource collection CORESET configured for terminal The step of random access response, comprising:
Determine the downlink CORESET of main plot corresponding with target random access resource descending carrier, the target is random Access-in resource is the transmission resource that terminal sends random access request, and the target random access resource is non-competing random access Resource or competition random access resource；
On the downlink CORESET of the main plot descending carrier, random access response is sent.
Wherein, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
It is described according to the random access request, the step of random access response is sent on the target resource configured for terminal Suddenly, comprising:
Determine the downlink wave beam direction of secondary cell descending carrier corresponding with target random access resource, the target is random Access-in resource is the transmission resource that terminal sends random access request；
On the downlink CORESET in the downlink wave beam direction, random access response is sent.
Wherein, the wave beam failure recovery response are as follows: the PDCCH of tape terminal C-RNTI.
Wherein, it before the reception terminal is the random access request sent on secondary cell up-link carrier the step of, also wraps It includes:
Competition random access resource configuration is sent to terminal；
The competition random access resource configures
The competition random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It is measured on secondary cell descending carrier for downlink, and the second measurement money corresponding with the competition random access resource Source；And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET in the competition random access resource configuration is located at the public of main plot descending carrier The terminal-specific search space USS of search space CSS or main plot descending carrier；
The second measurement resource includes SSB or CSI-RS.
Wherein, it according to the random access request, is sent on the downlink control resource collection CORESET configured for terminal The step of random access response, comprising:
On the downlink CORESET of main plot corresponding with target uplink beam descending carrier, random access response is sent；
Wherein, the target uplink beam is the uplink beam for sending random access request.
Wherein, described according to the random access request, on the downlink control resource collection CORESET configured for terminal After the step of sending random access response, further includes:
After the completion of random access procedure, the instruction of secondary cell downlink wave beam is sent to terminal, the downlink wave beam instruction is used In instruction terminal in secondary cell available downlink wave beam direction.
To achieve the goals above, the embodiment of the invention also provides a kind of terminals, comprising: transceiver, memory, processing Device and storage are on a memory and the program that can run on a processor, the processor realize following walk when executing described program It is rapid:
Random access request is sent on secondary cell up-link carrier by transceiver；
On the downlink control resource collection CORESET of base station configuration, by transceiver base station according to described random The random access response that access request is sent.
Wherein, following steps be can also be achieved when the processor executes described program:
It is configured by the non-competing random access resource for wave beam failure recovery BFR that transceiver base station is sent；
The non-competing random access resource, which configures, includes:
The non-competing random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It measures on secondary cell descending carrier for downlink, and is measured with the non-competing random access resource corresponding first Resource；And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET is located at the public search space CSS of main plot descending carrier or main plot downlink carries The terminal-specific search space USS of wave；
Alternatively, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
The first measurement resource is synchronization signal block SSB or channel state information reference signals CSI-RS；
The random access response is the response of wave beam failure recovery.
Wherein, following steps be can also be achieved when the processor executes described program:
When initiating wave beam failure recovery BFR, the first measurement resource is measured, selects channel quality to be greater than pre- If the first object of threshold value measures resource, and determines the corresponding first object downlink wave beam side of the first object measurement resource To；
On the non-competing random access resource on the corresponding uplink beam direction in first object downlink wave beam direction, Send random access request.
Wherein, the wave beam failure recovery response are as follows: under the physics of tape terminal Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI Row physical control channel PDCCH.
Wherein, following steps be can also be achieved when the processor executes described program:
The competition random access resource configuration sent by transceiver base station；
The competition random access resource configures
The competition random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It is measured on secondary cell descending carrier for downlink, and the second measurement money corresponding with the competition random access resource Source；And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET in the competition random access resource configuration is located at the public of main plot descending carrier The terminal-specific search space USS of search space CSS or main plot descending carrier；
The second measurement resource is SSB or CSI-RS.
Wherein, following steps be can also be achieved when the processor executes described program:
When initiating BFR, the second target that selection channel quality is greater than preset threshold in the second measurement resource is surveyed Resource is measured, and on the corresponding competition random access resource of the second target measurement resource, sends random access request.
Wherein, following steps be can also be achieved when the processor executes described program:
After the completion of random access procedure, the secondary cell downlink wave beam instruction that base station is sent is received.
To achieve the goals above, it the embodiment of the invention also provides a kind of computer readable storage medium, stores thereon There is computer program, which realizes the step of secondary cell wave beam failure recovery method as described above when being executed by processor Suddenly.
To achieve the goals above, the embodiment of the invention also provides a kind of base stations, comprising: transceiver, memory, processing Device and storage are on a memory and the program that can run on a processor, the processor realize following walk when executing described program It is rapid:
The random access request sent on secondary cell up-link carrier by transceiver terminal；
According to the random access request, sent on the downlink control resource collection CORESET configured for terminal random Access response.
Wherein, following steps be can also be achieved when the processor executes described program:
It sends to terminal and is configured for the non-competing random access resource of wave beam failure recovery BFR；
The non-competing random access resource, which configures, includes:
The non-competing random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It measures on secondary cell descending carrier for downlink, and is measured with the non-competing random access resource corresponding first Resource；And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET is located at the public search space CSS of main plot descending carrier or main plot downlink carries The terminal-specific search space USS of wave；
Alternatively, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
The first measurement resource is synchronization signal block SSB or channel state information reference signals CSI-RS；
The random access response is the response of wave beam failure recovery.
Wherein, the downlink CORESET is located at the public search space CSS of main plot descending carrier or main plot downlink carries The terminal-specific search space USS of wave；
The processor can also be achieved following steps when executing described program:
Determine the downlink CORESET of main plot corresponding with target random access resource descending carrier, the target is random Access-in resource is the transmission resource that terminal sends random access request, and the target random access resource is non-competing random access Resource or competition random access resource；
On the downlink CORESET of the main plot descending carrier, random access response is sent.
Wherein, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
The processor can also be achieved following steps when executing described program:
Determine the downlink wave beam direction of secondary cell descending carrier corresponding with target random access resource, the target is random Access-in resource is the transmission resource that terminal sends random access request；
On the downlink CORESET in the downlink wave beam direction, random access response is sent.
Wherein, the wave beam failure recovery response are as follows: the PDCCH of tape terminal C-RNTI.
Wherein, following steps be can also be achieved when the processor executes described program:
Competition random access resource configuration is sent to terminal；
The competition random access resource configures
The competition random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It is measured on secondary cell descending carrier for downlink, and the second measurement money corresponding with the competition random access resource Source；And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET in the competition random access resource configuration is located at the public of main plot descending carrier The terminal-specific search space USS of search space CSS or main plot descending carrier；
The second measurement resource includes SSB or CSI-RS.
Wherein, following steps be can also be achieved when the processor executes described program:
On the downlink CORESET of main plot corresponding with target uplink beam descending carrier, random access response is sent；
Wherein, the target uplink beam is the uplink beam for sending random access request.
Wherein, following steps be can also be achieved when the processor executes described program:
After the completion of random access procedure, the instruction of secondary cell downlink wave beam is sent to terminal, the downlink wave beam instruction is used In instruction terminal in secondary cell available downlink wave beam direction.
To achieve the goals above, it the embodiment of the invention also provides a kind of computer readable storage medium, stores thereon There is computer program, which realizes the step of secondary cell wave beam failure recovery method as described above when being executed by processor Suddenly.
To achieve the goals above, the embodiment of the invention also provides a kind of terminals, comprising:
First sending module, for sending random access request on secondary cell up-link carrier；
First receiving module, the downlink for configuring in base station control resource collection CORESET, receive base station according to institute State the random access response of random access request transmission.
Wherein, the terminal of the embodiment of the present invention, further includes:
Second receiving module, the non-competing random access for wave beam failure recovery BFR for receiving base station transmission provide Source configuration；
The non-competing random access resource, which configures, includes:
The non-competing random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It measures on secondary cell descending carrier for downlink, and is measured with the non-competing random access resource corresponding first Resource；And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET is located at the public search space CSS of main plot descending carrier or main plot downlink carries The terminal-specific search space USS of wave；
Alternatively, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
The first measurement resource is synchronization signal block SSB or channel state information reference signals CSI-RS；
The random access response is the response of wave beam failure recovery.
Wherein, the terminal of the embodiment of the present invention, further includes:
Third receiving module, for receiving the competition random access resource configuration of base station transmission；
The competition random access resource configures
The competition random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It is measured on secondary cell descending carrier for downlink, and the second measurement money corresponding with the competition random access resource Source；And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET in the competition random access resource configuration is located at the public of main plot descending carrier The terminal-specific search space USS of search space CSS or main plot descending carrier；
The second measurement resource is SSB or CSI-RS.
To achieve the goals above, the embodiment of the invention also provides a kind of base stations, comprising:
4th receiving module, the random access request sent on secondary cell up-link carrier for receiving terminal；
Second sending module, for controlling resource collection in the downlink configured for terminal according to the random access request Random access response is sent on CORESET.
Wherein, the base station of the embodiment of the present invention, further includes:
Third sending module is matched for sending to terminal for the non-competing random access resource of wave beam failure recovery BFR It sets；
The non-competing random access resource, which configures, includes:
The non-competing random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It measures on secondary cell descending carrier for downlink, and is measured with the non-competing random access resource corresponding first Resource；And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET is located at the public search space CSS of main plot descending carrier or main plot downlink carries The terminal-specific search space USS of wave；
Alternatively, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
The first measurement resource is synchronization signal block SSB or channel state information reference signals CSI-RS；
The random access response is the response of wave beam failure recovery.
Wherein, the base station of the embodiment of the present invention, further includes:
4th sending module, for sending competition random access resource configuration to terminal；
The competition random access resource configures
The competition random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It is measured on secondary cell descending carrier for downlink, and the second measurement money corresponding with the competition random access resource Source；And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET in the competition random access resource configuration is located at the public of main plot descending carrier The terminal-specific search space USS of search space CSS or main plot descending carrier；
The second measurement resource includes SSB or CSI-RS.
The embodiment of the present invention has the advantages that
The above-mentioned technical proposal of the embodiment of the present invention sends random access request on secondary cell up-link carrier；In base station On the downlink control resource collection CORESET of configuration, receives base station and rung according to the random access that the random access request is sent It answers, to realize under carrier wave polymerization CA, wave beam failure recovery process of the terminal on secondary cell SCell, so that terminal is correctly complete At the identification of uplink and downlink wave beam and matching in secondary cell, so that terminal can work normally in secondary cell, while can also be real The reasonable utilization of existing uplink and downlink resource.
Detailed description of the invention
Fig. 1 is one of the flow diagram of the secondary cell wave beam failure recovery method of the embodiment of the present invention；
Fig. 2 is the two of the flow diagram of the secondary cell wave beam failure recovery method of the embodiment of the present invention；
Fig. 3 is the structural block diagram of the terminal of the embodiment of the present invention；
Fig. 4 is the module diagram of the terminal of the embodiment of the present invention；
Fig. 5 is the structural block diagram of the base station of the embodiment of the present invention；
Fig. 6 is the module diagram of the base station of the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete It is described at ground, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1 is the flow diagram of the secondary cell wave beam failure recovery method of the embodiment of the present invention, as shown in Figure 1, this hair The secondary cell wave beam failure recovery method of bright embodiment is applied to terminal, comprising:
Step 101: sending random access request on secondary cell up-link carrier.
The random access request is specially random access lead code preamble.
Step 102: on the downlink control resource collection CORESET of base station configuration, receiving base station and connect at random according to described Enter the random access response that request is sent.
Downlink control resource collection CORESET is located on the descending carrier of main plot or is located on secondary cell descending carrier.
Above-mentioned steps 102 may particularly include: on the downlink CORESET of main plot descending carrier or secondary cell descending carrier Downlink CORESET on, receive the random access response that sends according to the random access request of base station.
The secondary cell wave beam failure recovery method of the embodiment of the present invention sends random access on secondary cell up-link carrier and asks It asks；Base station configuration downlink control resource collection CORESET on, receive base station according to the random access request send with Machine access response, to realize under carrier wave polymerization CA, wave beam failure recovery process of the terminal on secondary cell SCell, so that eventually The identification of uplink and downlink wave beam and matching being correctly completed in secondary cell are held, so that terminal can work normally in secondary cell, together When can also be achieved the reasonable utilization of uplink and downlink resource.
Further, above-mentioned steps 101 are also wrapped before the step of sending random access request on secondary cell up-link carrier It includes:
The non-competing random access resource for wave beam failure recovery BFR that base station is sent is received to configure；
The non-competing random access resource configuration includes: on secondary cell up-link carrier for the non-competing of wave beam failure recovery Strive random access resource；It is measured on secondary cell descending carrier for downlink, and corresponding with the non-competing random access resource First measurement resource；And the downlink CORESET of receiving random access response；
Wherein, the downlink CORESET is located at the public search space CSS of main plot descending carrier or main plot downlink carries The terminal-specific search space USS of wave；
Alternatively, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
The first measurement resource is synchronization signal block SSB or channel state information reference signals CSI-RS；
The random access response is the response of wave beam failure recovery.
Based on this, as a kind of optional implementation, above-mentioned steps 101 send on secondary cell up-link carrier and connect at random Enter request, comprising:
When initiating wave beam failure recovery BFR, the first measurement resource is measured, selects channel quality to be greater than pre- If the first object of threshold value measures resource, and determines the corresponding first object downlink wave beam side of the first object measurement resource To；
On the non-competing random access resource on the corresponding uplink beam direction in first object downlink wave beam direction, Send random access request.
Here, base station sends to terminal and configures for the non-competing random access resource of wave beam failure recovery BFR, and terminal exists After sending random access request on secondary cell up-link carrier, configured according to the non-competing random access resource, in main plot downlink The downlink CORESET of carrier wave or the downlink CORESET of secondary cell descending carrier receive the response of wave beam failure recovery, to complete auxiliary Wave beam failure recovery process in cell.
Specifically, above-mentioned wave beam failure recovery response are as follows: the object with terminal housing estate radio network temporary identifier C-RNTI Manage downlink physical control channel PDCCH.
Further, above-mentioned steps 101 are also wrapped before the step of sending random access request on secondary cell up-link carrier It includes:
Receive the competition random access resource configuration that base station is sent；
It is described competition random access resource configuration include: on secondary cell up-link carrier for wave beam failure recovery competition with Machine access-in resource；It is measured on secondary cell descending carrier for downlink, and corresponding with the competition random access resource second surveys Measure resource；And the downlink CORESET of receiving random access response；
Wherein, the downlink CORESET in the competition random access resource configuration is located at the public of main plot descending carrier The terminal-specific search space USS of search space CSS or main plot descending carrier；
The second measurement resource is SSB or CSI-RS.
Based on this, as a kind of optional implementation, above-mentioned steps 101 send on secondary cell up-link carrier and connect at random Enter request, comprising:
When initiating BFR, the second target that selection channel quality is greater than preset threshold in the second measurement resource is surveyed Resource is measured, and on the corresponding competition random access resource of the second target measurement resource, sends random access request.
It should be noted that terminal preferentially carries out non-competing random access in the embodiment of the present invention, to non-competing random The first measurement resource in access-in resource configuration measures, and detects that the channel quality of the first measurement resource is unsatisfactory for condition When, then the random access that is at war with.
Specifically, initiate BFR, and measure in the first measurement resource there are first object measure resource when, described On the corresponding non-competing random access resource of first measurement resource, random access request is sent, wherein the first measurement resource Refer to that the corresponding measurement resource of non-competing random access resource, the first object measurement resource are in the first measurement resource Channel quality is greater than the measurement resource of preset threshold；
BFR is being initiated, and is being measured in the first measurement resource there is no when first object measurement resource, is being surveyed described second The second target measurement resource that selection channel quality in resource is greater than preset threshold is measured, and in the second target measurement resource pair On the competition random access resource answered, random access request is sent.
Here, base station sends competition random access resource configuration to terminal, and terminal is matched according to non-competing random access resource Random access resource configuration is set and competed, after sending random access request on secondary cell up-link carrier, is carried in main plot downlink The response of wave beam failure recovery is received on the downlink CORESET of wave, to complete the wave beam failure recovery process in secondary cell.
Further, after above-mentioned steps 102, the wave beam failure recovery method of the embodiment of the present invention, further includes:
After the completion of random access procedure, the secondary cell downlink wave beam instruction that base station is sent is received.
In the embodiment of the present invention, for non-competing random access, terminal is after receiving random access response, then it is assumed that non- Random access success is competed, for competing random access, terminal is receiving random access response Msg2, and completes subsequent Msg3 And after the transmission of Msg4, it is believed that competition random access success.
Preferably, when above-mentioned downlink CORESET is located on the descending carrier of main plot, after the completion of random access procedure, The secondary cell downlink wave beam instruction that base station is sent is received, terminal is indicated according to the secondary cell downlink wave beam, determines terminal auxiliary small Available downlink wave beam direction in area.
The secondary cell wave beam failure recovery method of the embodiment of the present invention sends random access on secondary cell up-link carrier and asks It asks；Base station configuration downlink control resource collection CORESET on, receive base station according to the random access request send with Machine access response, to realize under carrier wave polymerization CA, wave beam failure recovery process of the terminal on secondary cell SCell, so that eventually The identification of uplink and downlink wave beam and matching being correctly completed in secondary cell are held, so that terminal can work normally in secondary cell, together When can also be achieved the reasonable utilization of uplink and downlink resource.
As shown in Fig. 2, it is applied to base station the embodiment of the invention also provides a kind of secondary cell wave beam failure recovery method, Include:
Step 201: receiving the random access request that terminal is sent on secondary cell up-link carrier.
The random access request is specially random access lead code preamble.
Step 202: according to the random access request, on the downlink control resource collection CORESET configured for terminal Send random access response.
Downlink control resource collection CORESET is located on the descending carrier of main plot or is located on secondary cell descending carrier.
Above-mentioned steps 202 may particularly include: on the downlink CORESET of main plot descending carrier or secondary cell descending carrier Downlink CORESET on, send random access response.
The secondary cell wave beam failure recovery method of the embodiment of the present invention receives what terminal was sent on secondary cell up-link carrier Random access request；According to the random access request, sent on the downlink control resource collection CORESET configured for terminal Random access response, thus realize under carrier wave polymerization CA, wave beam failure recovery process of the terminal on secondary cell SCell, so that Terminal is correctly completed the identification of the uplink and downlink wave beam in secondary cell and matching, so that terminal can work normally in secondary cell, It can also be achieved the reasonable utilization of uplink and downlink resource simultaneously.
Further, before above-mentioned steps 201 receive the random access request that terminal is sent on secondary cell up-link carrier, Further include:
It sends to terminal and is configured for the non-competing random access resource of wave beam failure recovery BFR；
The non-competing random access resource configuration includes: on secondary cell up-link carrier for the non-competing of wave beam failure recovery Strive random access resource；It is measured on secondary cell descending carrier for downlink, and corresponding with the non-competing random access resource First measurement resource；And the downlink CORESET of receiving random access response；
Wherein, the downlink CORESET is located at the public search space CSS of main plot descending carrier or main plot downlink carries The terminal-specific search space USS of wave；
Alternatively, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
The first measurement resource is synchronization signal block SSB or channel state information reference signals CSI-RS；
The random access response is the response of wave beam failure recovery.
Specifically, when the downlink CORESET is located under public search space CSS or the main plot of main plot descending carrier When the terminal-specific search space USS of row carrier wave, above-mentioned steps 202 are according to the random access request, what is configured for terminal Downlink controls the step of random access response is sent on resource collection CORESET, comprising:
Determine the downlink CORESET of main plot corresponding with target random access resource descending carrier, the target is random Access-in resource is the transmission resource that terminal sends random access request, and the target random access resource is non-competing random access Resource or competition random access resource；
On the downlink CORESET of the main plot descending carrier, random access response is sent.
Specifically, when the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier, on Step 202 is stated according to the random access request, in the step of sending random access response on the target resource configured for terminal, Include:
Determine the downlink wave beam direction of secondary cell descending carrier corresponding with target random access resource, the target is random Access-in resource is the transmission resource that terminal sends random access request；
On the downlink CORESET in the downlink wave beam direction, random access response is sent.
Here, base station is the non-competing random access resource configuration that terminal is configured to wave beam failure recovery BFR, and terminal exists After sending random access request on secondary cell up-link carrier, base station is configured according to the non-competing random access resource, in main plot The response of wave beam failure recovery is sent on the downlink CORESET of the descending carrier or downlink CORESET of secondary cell descending carrier, thus Complete the wave beam failure recovery process in secondary cell.
Specifically, the wave beam failure recovery response are as follows: the PDCCH of tape terminal C-RNTI.
Further, before above-mentioned steps 201 receive the random access request that terminal is sent on secondary cell up-link carrier, Further include:
Competition random access resource configuration is sent to terminal；
It is described competition random access resource configuration include: on secondary cell up-link carrier for wave beam failure recovery competition with Machine access-in resource；It is measured on secondary cell descending carrier for downlink, and corresponding with the competition random access resource second surveys Measure resource；And the downlink CORESET of receiving random access response；
Wherein, the downlink CORESET in the competition random access resource configuration is located at the public of main plot descending carrier The terminal-specific search space USS of search space CSS or main plot descending carrier；
The second measurement resource includes SSB or CSI-RS.
Based on this, above-mentioned steps 202 control resource collection according to the random access request, in the downlink configured for terminal Random access response is sent on CORESET, comprising:
On the downlink CORESET of main plot corresponding with target uplink beam descending carrier, random access response is sent；
Wherein, the target uplink beam is the uplink beam for sending random access request.
Here, base station sends competition random access resource configuration to terminal, and carries receiving terminal in secondary cell uplink It is extensive to terminal transmission wave beam failure on the downlink CORESET of main plot descending carrier after the random access request sent on wave Complex response, to complete the wave beam failure recovery process in secondary cell.
Further, after above-mentioned steps 202, the wave beam failure recovery method of the embodiment of the present invention, further includes:
After the completion of random access procedure, the instruction of secondary cell downlink wave beam is sent to terminal, the downlink wave beam instruction is used In instruction terminal in secondary cell available downlink wave beam direction.
In the embodiment of the present invention, for non-competing random access, terminal is after receiving random access response, then it is assumed that non- Random access success is competed, for competing random access, terminal is receiving random access response Msg2, and completes subsequent Msg3 And after the transmission of Msg4, it is believed that competition random access success.
Wherein, available downlink wave beam direction is the transmission that the random access request is sent according to terminal in secondary cell What the relationship of the downlink wave beam of resource and secondary cell descending carrier determined.
Preferably, when above-mentioned downlink CORESET is located on the descending carrier of main plot, after the completion of random access procedure, Base station sends the instruction of secondary cell downlink wave beam to terminal and determines that terminal exists so that terminal is indicated according to the secondary cell downlink wave beam Available downlink wave beam direction in secondary cell.
The secondary cell wave beam failure recovery method of the embodiment of the present invention receives what terminal was sent on secondary cell up-link carrier Random access request；According to the random access request, sent on the downlink control resource collection CORESET configured for terminal Random access response, thus realize under carrier wave polymerization CA, wave beam failure recovery process of the terminal on secondary cell SCell, so that Terminal is correctly completed the identification of the uplink and downlink wave beam in secondary cell and matching, so that terminal can work normally in secondary cell, It can also be achieved the reasonable utilization of uplink and downlink resource simultaneously.
Terminal in specific implementation of the embodiment of the present invention is described as follows with the process that exchanges of base station below.
Implementation one: non-competing random access (receiving random access response on secondary cell SCell)
The interaction flow includes:
Step 11: being sent for the non-competing random access resource configuration concurrency that terminal is configured to BFR in secondary cell base station To terminal.
The non-competing random access resource configures included content and is described in detail in content above, herein not It repeats again.
Step 12: terminal receives the non-competing random access resource configuration for BFR of base station configuration.
Step 13: when terminal needs to initiate BFR, being configured according to non-competing random access resource, measure above-mentioned first measurement Resource selects channel quality to be greater than the first object downlink wave beam direction of the first object measurement resource of preset threshold, described On non-competing random access resource on the corresponding uplink beam direction in first object downlink wave beam direction, sends random access and ask Seek Msg1.
Step 14: base station receives the random access request Msg1 that terminal is sent, and sends the non-competing of Msg1 according to terminal Random access resource determines the downlink wave beam direction of secondary cell descending carrier corresponding with the non-competing random access resource.
Step 15: on the downlink CORESET in base station downlink wave beam direction determined by step 14, sending with terminal C- The PDCCH of RNTI.
Step 16: terminal monitors band C- in the downlink CORESET on secondary cell descending carrier for monitoring BFR response The PDCCH of RNTI.
In the implementation one, base station sends the configuration of non-competing random access resource to terminal, terminal according to it is non-competing with The configuration of machine access-in resource sends Msg1 on secondary cell up-link carrier, and base station is provided according to the non-competing random access for sending Msg1 Source is sent on the CORESET in the downlink wave beam direction of secondary cell descending carrier corresponding with the non-competing random access resource PDCCH with terminal C-RNTI, to realize under carrier wave polymerization CA, wave beam failure recovery of the terminal on secondary cell SCell Process.
Implementation two: non-competing random access (receiving random access response on main plot)
The interaction flow includes:
Step 21: being sent for the non-competing random access resource configuration concurrency that terminal is configured to BFR in secondary cell base station To terminal.
Step 22: the non-competing random access resource for BFR that terminal receives base station configuration configures.
Step 23: when terminal needs to initiate BFR, being configured according to non-competing random access resource, measure above-mentioned first measurement Resource selects channel quality to be greater than the first object downlink wave beam direction of the first object measurement resource of preset threshold, described On non-competing random access resource on the corresponding uplink beam direction in first object downlink wave beam direction, sends random access and ask Seek Msg1.
Step 24: base station receives the random access request Msg1 that terminal is sent, and sends the non-competing of Msg1 according to terminal Random access resource determines the downlink CORESET of main plot descending carrier corresponding with the non-competing random access resource.
Step 25: base station sends the PDCCH with terminal C-RNTI on the downlink CORESET that step 24 determines.
Step 26: terminal receives band C-RNTI in the CORESET on the descending carrier of main plot for receiving BFR response PDCCH.
Optionally, in the implementation two, further includes:
Step 27: base station sends the wave beam instruction of secondary cell to terminal, is used to indicate terminal in the available downlink of secondary cell Beam direction.
The available downlink wave beam direction of the secondary cell is transmission resource and secondary cell descending carrier of the base station according to Msg1 What the relationship of downlink wave beam determined.
Step 28: terminal receives the secondary cell wave beam instruction that base station is sent, and determines terminal in the available down going wave of secondary cell Shu Fangxiang.
In the implementation two, base station sends the configuration of non-competing random access resource to terminal, terminal according to it is non-competing with The configuration of machine access-in resource sends Msg1 on secondary cell up-link carrier, and base station is provided according to the non-competing random access for sending Msg1 Source is sent on the downlink CORESET of main plot descending carrier corresponding with the non-competing random access resource with terminal C- The PDCCH of RNTI, to realize under carrier wave polymerization CA, wave beam failure recovery process of the terminal on secondary cell SCell.
Implementation three: competition random access
The interaction flow includes:
Step 31: base station is that the competition random access resource configuration concurrency that terminal configures on secondary cell up-link carrier gives end End.
Step 32: terminal receives the competition random access resource configuration that base station is sent.
Step 33: when terminal needs to initiate BFR, according to non-competing random access resource configure, to first measurement resource into Row measurement, if there is the channel quality of the corresponding first object measurement resource of non-competing random access resource is greater than preset threshold, Non-competing random access is then initiated, otherwise, selection channel quality is greater than the second target of preset threshold in the second measurement resource Resource is measured, and on the corresponding competition random access resource of the second target measurement resource, initiates competition random access.
Wherein, the specific implementation and the implementation phase of above-mentioned implementation 1 or 2 of non-competing random access are initiated Together.
Step 34: base station station receives the random access request that terminal is sent, and the hair of random access request is sent according to terminal Resource is sent, determines downlink wave beam direction of the terminal in secondary cell.
Step 35: base station sends random on the corresponding main plot downlink wave beam of uplink beam for sending random access request Access response.
Step 36: terminal receiving random access response on the descending carrier of main plot.
Step 37: base station and terminal complete the subsequent process of random access on main plot.
Optionally, the implementation three further include:
Step 38: base station sends the wave beam instruction of secondary cell to terminal, is used to indicate terminal in the available downlink of secondary cell Beam direction.
The downlink wave beam direction is pass of the base station according to the transmission resource of Msg1 and the downlink wave beam of secondary cell descending carrier System's determination.
Step 39: terminal receives the secondary cell wave beam instruction that base station is sent, for determining terminal in the case where secondary cell is available Row beam direction.
In the implementation three, base station sends competition random access resource configuration to terminal, and terminal is according to non-competing random Access-in resource configuration and competition random access resource configuration send Msg1 on secondary cell up-link carrier, and base station connects at random in transmission Enter and send random access response on the corresponding main plot downlink wave beam of uplink beam of request, so that terminal is in secondary cell SCell On wave beam failure recovery process.
The secondary cell wave beam failure recovery method of the embodiment of the present invention can be realized terminal auxiliary in the case where carrier wave polymerize CA Wave beam failure recovery process on cell SCell, so that terminal is correctly completed the identification of the uplink and downlink wave beam in secondary cell and matching, So that terminal can work normally in secondary cell, while it can also be achieved the reasonable utilization of uplink and downlink resource.
As shown in figure 3, the embodiments of the present invention also provide a kind of terminals, comprising: transceiver, memory, processor and The program that can be run on a memory and on a processor is stored, the processor performs the steps of when executing described program
Random access request is sent on secondary cell up-link carrier；
On the downlink control resource collection CORESET of base station configuration, receives base station and sent out according to the random access request The random access response sent.
Wherein, in Fig. 3, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor 300 The various circuits for the memory that the one or more processors and memory 320 of representative represent link together.Bus architecture is also Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like can be linked together, these are all It is it is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 310 can To be multiple element, that is, includes transmitter and transceiver, the list for communicating over a transmission medium with various other devices is provided Member.For different user equipmenies, user interface 330, which can also be, external the interface for needing equipment is inscribed, and connection is set Standby including but not limited to keypad, display, loudspeaker, microphone, control stick etc..
Processor 300, which is responsible for management bus architecture and common processing, memory 320, can store processor 300 and is holding Used data when row operation.
Optionally, processor 300 is also used to read the program in memory 320, executes following steps:
The non-competing random access resource for wave beam failure recovery BFR that base station is sent is received to configure；
The non-competing random access resource configuration includes: on secondary cell up-link carrier for the non-competing of wave beam failure recovery Strive random access resource；It is measured on secondary cell descending carrier for downlink, and corresponding with the non-competing random access resource First measurement resource；And the downlink CORESET of receiving random access response；
Wherein, the downlink CORESET is located at the public search space CSS of main plot descending carrier or main plot downlink carries The terminal-specific search space USS of wave；
Alternatively, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
The first measurement resource is synchronization signal block SSB or channel state information reference signals CSI-RS；
The random access response is the response of wave beam failure recovery.
Optionally, processor 300 is also used to read the program in memory 320, executes following steps:
When initiating wave beam failure recovery BFR, the first measurement resource is measured, selects channel quality to be greater than pre- If the first object of threshold value measures resource, and determines the corresponding first object downlink wave beam side of the first object measurement resource To；
On the non-competing random access resource on the corresponding uplink beam direction in first object downlink wave beam direction, Send random access request.
Optionally, the wave beam failure recovery response are as follows: the physics of tape terminal Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI Downlink physical control channel PDCCH.
Optionally, processor 300 is also used to read the program in memory 320, executes following steps:
Receive the competition random access resource configuration that base station is sent；
It is described competition random access resource configuration include: on secondary cell up-link carrier for wave beam failure recovery competition with Machine access-in resource；It is measured on secondary cell descending carrier for downlink, and corresponding with the competition random access resource second surveys Measure resource；And the downlink CORESET of receiving random access response；
Wherein, the downlink CORESET in the competition random access resource configuration is located at the public of main plot descending carrier The terminal-specific search space USS of search space CSS or main plot descending carrier；
The second measurement resource is SSB or CSI-RS.
Optionally, processor 300 is also used to read the program in memory 320, executes following steps:
When initiating BFR, the second target that selection channel quality is greater than preset threshold in the second measurement resource is surveyed Resource is measured, and on the corresponding competition random access resource of the second target measurement resource, sends random access request.
Optionally, processor 300 is also used to read the program in memory 320, executes following steps:
After the completion of random access procedure, the secondary cell downlink wave beam instruction that base station is sent is received.
In some embodiments of the invention, a kind of computer readable storage medium is additionally provided, calculating is stored thereon with Machine program, the program perform the steps of when being executed by processor
Random access request is sent on secondary cell up-link carrier；
On the downlink control resource collection CORESET of base station configuration, receives base station and sent out according to the random access request The random access response sent.
The program is able to achieve the above-mentioned secondary cell wave beam failure recovery method applied to terminal side when being executed by processor real All implementations in example are applied, to avoid repeating, details are not described herein again.
As shown in figure 4, the embodiments of the present invention also provide a kind of terminals, comprising:
First sending module 401, for sending random access request on secondary cell up-link carrier；
First receiving module 402, the downlink for configuring in base station control resource collection CORESET, receive base station root The random access response sent according to the random access request.
The terminal of the embodiment of the present invention, further includes:
Second receiving module, the non-competing random access for wave beam failure recovery BFR for receiving base station transmission provide Source configuration；
The non-competing random access resource configuration includes: on secondary cell up-link carrier for the non-competing of wave beam failure recovery Strive random access resource；It is measured on secondary cell descending carrier for downlink, and corresponding with the non-competing random access resource First measurement resource；And the downlink CORESET of receiving random access response；
Wherein, the downlink CORESET is located at the public search space CSS of main plot descending carrier or main plot downlink carries The terminal-specific search space USS of wave；
Alternatively, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
The first measurement resource is synchronization signal block SSB or channel state information reference signals CSI-RS；
The random access response is the response of wave beam failure recovery.
The terminal of the embodiment of the present invention, first sending module 401 include:
Submodule is measured, for measuring, selecting to the first measurement resource when initiating wave beam failure recovery BFR First object measurement resource of the channel quality greater than preset threshold is selected, and determines that the first object measures resource corresponding first Target downlink beam direction；
First sending submodule, for non-on the corresponding uplink beam direction in first object downlink wave beam direction It competes on random access resource, sends random access request.
The terminal of the embodiment of the present invention, the wave beam failure recovery response are as follows: tape terminal Cell Radio Network Temporary Identifier/Identity, Cell-RNTI The physical down physical control channel PDCCH of C-RNTI.
The terminal of the embodiment of the present invention, further includes:
Third receiving module, for receiving the competition random access resource configuration of base station transmission；
It is described competition random access resource configuration include: on secondary cell up-link carrier for wave beam failure recovery competition with Machine access-in resource；It is measured on secondary cell descending carrier for downlink, and corresponding with the competition random access resource second surveys Measure resource；And the downlink CORESET of receiving random access response；
Wherein, the downlink CORESET in the competition random access resource configuration is located at the public of main plot descending carrier The terminal-specific search space USS of search space CSS or main plot descending carrier；
The second measurement resource is SSB or CSI-RS.
The terminal of the embodiment of the present invention, first sending module 401 are used for when initiating BFR, in second measurement Channel quality is selected to be greater than the second target measurement resource of preset threshold in resource, and corresponding in the second target measurement resource Competition random access resource on, send random access request.
The terminal of the embodiment of the present invention, further includes:
5th receiving module refers to for after the completion of random access procedure, receiving the secondary cell downlink wave beam that base station is sent Show.
The terminal of the embodiment of the present invention sends random access request on secondary cell up-link carrier；Under the configuration of base station On row control resource collection CORESET, the random access response that base station is sent according to the random access request is received, thus real Under existing carrier wave polymerization CA, wave beam failure recovery process of the terminal on secondary cell SCell, so that terminal is correctly completed in secondary cell The identification of uplink and downlink wave beam and matching so that terminal can work normally in secondary cell, while can also be achieved uplink and downlink money The reasonable utilization in source.
As shown in figure 5, the embodiments of the present invention also provide a kind of base station, including memory 520, processor 500, transmitting-receiving Machine 510, bus interface and it is stored in the program that can be run on memory 520 and on processor 500, the processor 500 is used In reading the program in memory 520, following process is executed:
Receive the random access request that terminal is sent on secondary cell up-link carrier；
According to the random access request, sent on the downlink control resource collection CORESET configured for terminal random Access response.
Wherein, in Fig. 5, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor 500 The various circuits for the memory that the one or more processors and memory 520 of representative represent link together.Bus architecture is also Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like can be linked together, these are all It is it is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 510 can To be multiple element, that is, includes transmitter and transceiver, the list for communicating over a transmission medium with various other devices is provided Member.Processor 500, which is responsible for management bus architecture and common processing, memory 520, can store processor 500 and is executing operation When used data.
Optionally, following steps be can also be achieved when the processor 500 executes described program:
It sends to terminal and is configured for the non-competing random access resource of wave beam failure recovery BFR；
The non-competing random access resource configuration includes: on secondary cell up-link carrier for the non-competing of wave beam failure recovery Strive random access resource；It is measured on secondary cell descending carrier for downlink, and corresponding with the non-competing random access resource First measurement resource；And the downlink CORESET of receiving random access response；
Wherein, the downlink CORESET is located at the public search space CSS of main plot descending carrier or main plot downlink carries The terminal-specific search space USS of wave；
Alternatively, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
The first measurement resource is synchronization signal block SSB or channel state information reference signals CSI-RS；
The random access response is the response of wave beam failure recovery.
Optionally, the downlink CORESET is located at the public search space CSS or main plot downlink of main plot descending carrier The terminal-specific search space USS of carrier wave；
Optionally, following steps be can also be achieved when the processor 500 executes described program:
Determine the downlink CORESET of main plot corresponding with target random access resource descending carrier, the target is random Access-in resource is the transmission resource that terminal sends random access request, and the target random access resource is non-competing random access Resource or competition random access resource；
On the downlink CORESET of the main plot descending carrier, random access response is sent.
Optionally, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
Optionally, following steps be can also be achieved when the processor 500 executes described program:
Determine the downlink wave beam direction of secondary cell descending carrier corresponding with target random access resource, the target is random Access-in resource is the transmission resource that terminal sends random access request；
On the downlink CORESET in the downlink wave beam direction, random access response is sent.
Optionally, the wave beam failure recovery response are as follows: the PDCCH of tape terminal C-RNTI.
Optionally, following steps be can also be achieved when the processor 500 executes described program:
Competition random access resource configuration is sent to terminal；
It is described competition random access resource configuration include: on secondary cell up-link carrier for wave beam failure recovery competition with Machine access-in resource；It is measured on secondary cell descending carrier for downlink, and corresponding with the competition random access resource second surveys Measure resource；And the downlink CORESET of receiving random access response；
Wherein, the downlink CORESET in the competition random access resource configuration is located at the public of main plot descending carrier The terminal-specific search space USS of search space CSS or main plot descending carrier；
The second measurement resource includes SSB or CSI-RS.
Optionally, following steps be can also be achieved when the processor 500 executes described program:
On the downlink CORESET of main plot corresponding with target uplink beam descending carrier, random access response is sent；
Wherein, the target uplink beam is the uplink beam for sending random access request.
Optionally, following steps be can also be achieved when the processor 500 executes described program:
After the completion of random access procedure, the instruction of secondary cell downlink wave beam is sent to terminal, the downlink wave beam instruction is used In instruction terminal in secondary cell available downlink wave beam direction.
In some embodiments of the invention, a kind of computer readable storage medium is additionally provided, calculating is stored thereon with Machine program, the program perform the steps of when being executed by processor
Receive the random access request that terminal is sent on secondary cell up-link carrier；
According to the random access request, sent on the downlink control resource collection CORESET configured for terminal random Access response.
The program is able to achieve all realization sides in the above-mentioned embodiment of the method applied to base side when being executed by processor Formula, to avoid repeating, details are not described herein again.
As shown in fig. 6, the embodiments of the present invention also provide a kind of base stations, comprising:
4th receiving module 601, the random access request sent on secondary cell up-link carrier for receiving terminal；
Second sending module 602, for controlling resource set in the downlink configured for terminal according to the random access request It closes and sends random access response on CORESET.
The base station of the embodiment of the present invention, further includes:
Third sending module is matched for sending to terminal for the non-competing random access resource of wave beam failure recovery BFR It sets；
The non-competing random access resource configuration includes: on secondary cell up-link carrier for the non-competing of wave beam failure recovery Strive random access resource；It is measured on secondary cell descending carrier for downlink, and corresponding with the non-competing random access resource First measurement resource；And the downlink CORESET of receiving random access response；
Wherein, the downlink CORESET is located at the public search space CSS of main plot descending carrier or main plot downlink carries The terminal-specific search space USS of wave；
Alternatively, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
The first measurement resource is synchronization signal block SSB or channel state information reference signals CSI-RS；
The random access response is the response of wave beam failure recovery.
The base station of the embodiment of the present invention, the downlink CORESET are located at the public search space CSS of main plot descending carrier Or the terminal-specific search space USS of main plot descending carrier；
Second sending module 602 includes:
First determines submodule, for determining the downlink of main plot corresponding with target random access resource descending carrier CORESET, the target random access resource are the transmission resource that terminal sends random access request, the target random access Resource is non-competing random access resource or competition random access resource；
Second sending submodule sends random access and rings for the downlink CORESET in the main plot descending carrier It answers.
The base station of the embodiment of the present invention, the terminal-specific search that the downlink CORESET is located at secondary cell descending carrier are empty Between USS；
Second sending module 602 includes:
Second determines submodule, for determining the down going wave of secondary cell descending carrier corresponding with target random access resource Shu Fangxiang, the target random access resource are the transmission resource that terminal sends random access request；
Third sending submodule sends random access and rings for the downlink CORESET in the downlink wave beam direction It answers.
The base station of the embodiment of the present invention, the wave beam failure recovery response are as follows: the PDCCH of tape terminal C-RNTI.
The base station of the embodiment of the present invention, further includes:
4th sending module, for sending competition random access resource configuration to terminal；
It is described competition random access resource configuration include: on secondary cell up-link carrier for wave beam failure recovery competition with Machine access-in resource；It is measured on secondary cell descending carrier for downlink, and corresponding with the competition random access resource second surveys Measure resource；And the downlink CORESET of receiving random access response；
Wherein, the downlink CORESET in the competition random access resource configuration is located at the public of main plot descending carrier The terminal-specific search space USS of search space CSS or main plot descending carrier；
The second measurement resource includes SSB or CSI-RS.
The base station of the embodiment of the present invention, the second sending module 602 are used under main plot corresponding with target uplink beam On the downlink CORESET of row carrier wave, random access response is sent；
Wherein, the target uplink beam is the uplink beam for sending random access request.
The base station of the embodiment of the present invention, further includes:
Indicating module, for the instruction of secondary cell downlink wave beam being sent to terminal, under described after the completion of random access procedure The instruction of traveling wave beam is used to indicate terminal available downlink wave beam direction in secondary cell.
The base station of the embodiment of the present invention receives the random access request that terminal is sent on secondary cell up-link carrier；According to The random access request sends random access response on the downlink control resource collection CORESET configured for terminal, thus It realizes under carrier wave polymerization CA, wave beam failure recovery process of the terminal on secondary cell SCell, so that terminal is correctly completed secondary cell On uplink and downlink wave beam identification and matching so that terminal can work normally in secondary cell, while can also be achieved uplink and downlink The reasonable utilization of resource.
In various embodiments of the present invention, it should be appreciated that magnitude of the sequence numbers of the above procedures are not meant to execute suitable Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention Process constitutes any restriction.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (38)

1. a kind of secondary cell wave beam failure recovery method is applied to terminal characterized by comprising
Random access request is sent on secondary cell up-link carrier；
On the downlink control resource collection CORESET of base station configuration, receive what base station was sent according to the random access request Random access response.
2. secondary cell wave beam failure recovery method according to claim 1, which is characterized in that described to be carried in secondary cell uplink Before the step of sending random access request on wave, further includes:
The non-competing random access resource for wave beam failure recovery BFR that base station is sent is received to configure；
The non-competing random access resource, which configures, includes:
The non-competing random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It is measured on secondary cell descending carrier for downlink, and measures and provide with the non-competing random access resource corresponding first Source；And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET is located at the public search space CSS or main plot descending carrier of main plot descending carrier Terminal-specific search space USS；
Alternatively, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
The first measurement resource is synchronization signal block SSB or channel state information reference signals CSI-RS；
The random access response is the response of wave beam failure recovery.
3. secondary cell wave beam failure recovery method according to claim 2, which is characterized in that described to be carried in secondary cell uplink The step of random access request is sent on wave, comprising:
When initiating wave beam failure recovery BFR, the first measurement resource is measured, channel quality is selected to be greater than default threshold The first object of value measures resource, and determines that the first object measures resource corresponding first object downlink wave beam direction；
On the non-competing random access resource on the corresponding uplink beam direction in first object downlink wave beam direction, send Random access request.
4. secondary cell wave beam failure recovery method according to claim 2, which is characterized in that the wave beam failure recovery is rung It answers are as follows: the physical down physical control channel PDCCH of tape terminal Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI.
5. secondary cell wave beam failure recovery method according to claim 1, which is characterized in that described to be carried in secondary cell uplink Before the step of sending random access request on wave, further includes:
Receive the competition random access resource configuration that base station is sent；
The competition random access resource configures
The competition random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It is measured on secondary cell descending carrier for downlink, and the second measurement resource corresponding with the competition random access resource； And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET in the competition random access resource configuration is located at the common search of main plot descending carrier The terminal-specific search space USS of space CSS or main plot descending carrier；
The second measurement resource is SSB or CSI-RS.
6. secondary cell wave beam failure recovery method according to claim 5, which is characterized in that described to be carried in secondary cell uplink The step of random access request is sent on wave, comprising:
When initiating BFR, the second target measurement that selection channel quality is greater than preset threshold in the second measurement resource is provided Source, and on the corresponding competition random access resource of the second target measurement resource, send random access request.
7. secondary cell wave beam failure recovery method according to claim 1, which is characterized in that described under the configuration of base station The step of row controls on resource collection CORESET, receives the random access response that base station is sent according to the random access request Later, further includes:
After the completion of random access procedure, the secondary cell downlink wave beam instruction that base station is sent is received.
8. a kind of secondary cell wave beam failure recovery method is applied to base station characterized by comprising
Receive the random access request that terminal is sent on secondary cell up-link carrier；
According to the random access request, random access is sent on the downlink control resource collection CORESET configured for terminal Response.
9. secondary cell wave beam failure recovery method according to claim 8, which is characterized in that the reception terminal is auxiliary small Before the step of random access request sent on area's up-link carrier, further includes:
It sends to terminal and is configured for the non-competing random access resource of wave beam failure recovery BFR；
The non-competing random access resource configuration include: on secondary cell up-link carrier for wave beam failure recovery it is non-competing with Machine access-in resource；
It is measured on secondary cell descending carrier for downlink, and measures and provide with the non-competing random access resource corresponding first Source；And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET is located at the public search space CSS or main plot descending carrier of main plot descending carrier Terminal-specific search space USS；
Alternatively, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
The first measurement resource is synchronization signal block SSB or channel state information reference signals CSI-RS；
The random access response is the response of wave beam failure recovery.
10. secondary cell wave beam failure recovery method according to claim 9, which is characterized in that described downlink CORESET In the public search space CSS of the main plot descending carrier or terminal-specific search space USS of main plot descending carrier；
It is described according to the random access request, sent on the downlink control resource collection CORESET configured for terminal random The step of access response, comprising:
Determine the downlink CORESET of main plot corresponding with target random access resource descending carrier, the target random access Resource is the transmission resource that terminal sends random access request, and the target random access resource is non-competing random access resource Or competition random access resource；
On the downlink CORESET of the main plot descending carrier, random access response is sent.
11. secondary cell wave beam failure recovery method according to claim 9, which is characterized in that described downlink CORESET In the terminal-specific search space USS of secondary cell descending carrier；
It is described according to the random access request, in the step of sending random access response on the target resource configured for terminal, Include:
Determine the downlink wave beam direction of secondary cell descending carrier corresponding with target random access resource, the target random access Resource is the transmission resource that terminal sends random access request；
On the downlink CORESET in the downlink wave beam direction, random access response is sent.
12. secondary cell wave beam failure recovery method described in 0 or 11 according to claim 1, which is characterized in that the wave beam failure Restore response are as follows: the PDCCH of tape terminal C-RNTI.
13. secondary cell wave beam failure recovery method according to claim 8, which is characterized in that the reception terminal is auxiliary Before the step of random access request sent on cell uplink carrier wave, further includes:
Competition random access resource configuration is sent to terminal；
The competition random access resource configures
The competition random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It is measured on secondary cell descending carrier for downlink, and the second measurement resource corresponding with the competition random access resource； And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET in the competition random access resource configuration is located at the common search of main plot descending carrier The terminal-specific search space USS of space CSS or main plot descending carrier；
The second measurement resource includes SSB or CSI-RS.
14. secondary cell wave beam failure recovery method according to claim 13, which is characterized in that according to the random access Request, in the step of sending random access response on the downlink control resource collection CORESET configured for terminal, comprising:
On the downlink CORESET of main plot corresponding with target uplink beam descending carrier, random access response is sent；
Wherein, the target uplink beam is the uplink beam for sending random access request.
15. secondary cell wave beam failure recovery method according to claim 8, which is characterized in that described according to described random Access request, after the step of sending random access response on the downlink control resource collection CORESET configured for terminal, also Include:
After the completion of random access procedure, the instruction of secondary cell downlink wave beam is sent to terminal, the downlink wave beam instruction is for referring to Show terminal available downlink wave beam direction in secondary cell.
16. a kind of terminal, comprising: transceiver, memory, processor and storage can be run on a memory and on a processor Program, which is characterized in that the processor performs the steps of when executing described program
Random access request is sent on secondary cell up-link carrier by transceiver；
On the downlink control resource collection CORESET of base station configuration, by transceiver base station according to the random access Request the random access response sent.
17. terminal according to claim 16, which is characterized in that the processor can also be achieved when executing described program with Lower step:
It is configured by the non-competing random access resource for wave beam failure recovery BFR that transceiver base station is sent；
The non-competing random access resource, which configures, includes:
The non-competing random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It is measured on secondary cell descending carrier for downlink, and measures and provide with the non-competing random access resource corresponding first Source；And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET is located at the public search space CSS or main plot descending carrier of main plot descending carrier Terminal-specific search space USS；
Alternatively, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
The first measurement resource is synchronization signal block SSB or channel state information reference signals CSI-RS；
The random access response is the response of wave beam failure recovery.
18. terminal according to claim 17, which is characterized in that the processor can also be achieved when executing described program with Lower step:
When initiating wave beam failure recovery BFR, the first measurement resource is measured, channel quality is selected to be greater than default threshold The first object of value measures resource, and determines that the first object measures resource corresponding first object downlink wave beam direction；
On the non-competing random access resource on the corresponding uplink beam direction in first object downlink wave beam direction, send Random access request.
19. terminal according to claim 17, which is characterized in that the wave beam failure recovery response are as follows: tape terminal cell The physical down physical control channel PDCCH of radio network temporary identifier C-RNTI.
20. terminal according to claim 16, which is characterized in that the processor can also be achieved when executing described program with Lower step:
The competition random access resource configuration sent by transceiver base station；
The competition random access resource configures
The competition random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It is measured on secondary cell descending carrier for downlink, and the second measurement resource corresponding with the competition random access resource； And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET in the competition random access resource configuration is located at the common search of main plot descending carrier The terminal-specific search space USS of space CSS or main plot descending carrier；
The second measurement resource is SSB or CSI-RS.
21. terminal according to claim 20, which is characterized in that the processor can also be achieved when executing described program with Lower step:
When initiating BFR, the second target measurement that selection channel quality is greater than preset threshold in the second measurement resource is provided Source, and on the corresponding competition random access resource of the second target measurement resource, send random access request.
22. terminal according to claim 16, which is characterized in that the processor can also be achieved when executing described program with Lower step:
After the completion of random access procedure, the secondary cell downlink wave beam instruction that base station is sent is received.
23. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program quilt It is realized when processor executes as described in any one of claims 1 to 7 the step of secondary cell wave beam failure recovery method.
24. a kind of base station, comprising: transceiver, memory, processor and storage can be run on a memory and on a processor Program, which is characterized in that the processor performs the steps of when executing described program
The random access request sent on secondary cell up-link carrier by transceiver terminal；
According to the random access request, random access is sent on the downlink control resource collection CORESET configured for terminal Response.
25. base station according to claim 24, which is characterized in that the processor can also be achieved when executing described program with Lower step:
It sends to terminal and is configured for the non-competing random access resource of wave beam failure recovery BFR；
The non-competing random access resource, which configures, includes:
The non-competing random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It is measured on secondary cell descending carrier for downlink, and measures and provide with the non-competing random access resource corresponding first Source；And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET is located at the public search space CSS or main plot descending carrier of main plot descending carrier Terminal-specific search space USS；
Alternatively, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
The first measurement resource is synchronization signal block SSB or channel state information reference signals CSI-RS；
The random access response is the response of wave beam failure recovery.
26. base station according to claim 25, which is characterized in that the downlink CORESET is located at main plot descending carrier Public search space CSS or main plot descending carrier terminal-specific search space USS；
The processor can also be achieved following steps when executing described program:
Determine the downlink CORESET of main plot corresponding with target random access resource descending carrier, the target random access Resource is the transmission resource that terminal sends random access request, and the target random access resource is non-competing random access resource Or competition random access resource；
On the downlink CORESET of the main plot descending carrier, random access response is sent.
27. base station according to claim 25, which is characterized in that the downlink CORESET is located at secondary cell descending carrier Terminal-specific search space USS；
The processor can also be achieved following steps when executing described program:
Determine the downlink wave beam direction of secondary cell descending carrier corresponding with target random access resource, the target random access Resource is the transmission resource that terminal sends random access request；
On the downlink CORESET in the downlink wave beam direction, random access response is sent.
28. the base station according to claim 26 or 27, which is characterized in that the wave beam failure recovery response are as follows: tape terminal The PDCCH of C-RNTI.
29. base station according to claim 24, which is characterized in that the processor can also be achieved when executing described program with Lower step:
Competition random access resource configuration is sent to terminal；
The competition random access resource configures
The competition random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It is measured on secondary cell descending carrier for downlink, and the second measurement resource corresponding with the competition random access resource； And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET in the competition random access resource configuration is located at the common search of main plot descending carrier The terminal-specific search space USS of space CSS or main plot descending carrier；
The second measurement resource includes SSB or CSI-RS.
30. base station according to claim 29, which is characterized in that the processor can also be achieved when executing described program with Lower step:
On the downlink CORESET of main plot corresponding with target uplink beam descending carrier, random access response is sent；
Wherein, the target uplink beam is the uplink beam for sending random access request.
31. base station according to claim 24, which is characterized in that the processor can also be achieved when executing described program with Lower step:
After the completion of random access procedure, the instruction of secondary cell downlink wave beam is sent to terminal, the downlink wave beam instruction is for referring to Show terminal available downlink wave beam direction in secondary cell.
32. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program quilt It is realized when processor executes as described in any one of claim 8 to 15 the step of secondary cell wave beam failure recovery method.
33. a kind of terminal characterized by comprising
First sending module, for sending random access request on secondary cell up-link carrier；
First receiving module, downlink for configuring in base station control resource collection CORESET, receive base station according to The random access response that machine access request is sent.
34. terminal according to claim 33, which is characterized in that further include:
Second receiving module, the non-competing random access resource for wave beam failure recovery BFR for receiving base station transmission are matched It sets；
The non-competing random access resource, which configures, includes:
The non-competing random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It is measured on secondary cell descending carrier for downlink, and measures and provide with the non-competing random access resource corresponding first Source；And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET is located at the public search space CSS or main plot descending carrier of main plot descending carrier Terminal-specific search space USS；
Alternatively, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
The first measurement resource is synchronization signal block SSB or channel state information reference signals CSI-RS；
The random access response is the response of wave beam failure recovery.
35. terminal according to claim 33, which is characterized in that further include:
Third receiving module, for receiving the competition random access resource configuration of base station transmission；
The competition random access resource configures
The competition random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It is measured on secondary cell descending carrier for downlink, and the second measurement resource corresponding with the competition random access resource； And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET in the competition random access resource configuration is located at the common search of main plot descending carrier The terminal-specific search space USS of space CSS or main plot descending carrier；
The second measurement resource is SSB or CSI-RS.
36. a kind of base station characterized by comprising
4th receiving module, the random access request sent on secondary cell up-link carrier for receiving terminal；
Second sending module, for controlling resource collection in the downlink configured for terminal according to the random access request Random access response is sent on CORESET.
37. base station according to claim 36, which is characterized in that further include:
Third sending module is configured for sending to terminal for the non-competing random access resource of wave beam failure recovery BFR；
The non-competing random access resource, which configures, includes:
The non-competing random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It is measured on secondary cell descending carrier for downlink, and measures and provide with the non-competing random access resource corresponding first Source；And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET is located at the public search space CSS or main plot descending carrier of main plot descending carrier Terminal-specific search space USS；
Alternatively, the downlink CORESET is located at the terminal-specific search space USS of secondary cell descending carrier；
The first measurement resource is synchronization signal block SSB or channel state information reference signals CSI-RS；
The random access response is the response of wave beam failure recovery.
38. base station according to claim 36, which is characterized in that further include:
4th sending module, for sending competition random access resource configuration to terminal；
The competition random access resource configures
The competition random access resource of wave beam failure recovery is used on secondary cell up-link carrier；
It is measured on secondary cell descending carrier for downlink, and the second measurement resource corresponding with the competition random access resource； And
The downlink CORESET of receiving random access response；
Wherein, the downlink CORESET in the competition random access resource configuration is located at the common search of main plot descending carrier The terminal-specific search space USS of space CSS or main plot descending carrier；
The second measurement resource includes SSB or CSI-RS.
CN201810299403.9A 2018-04-04 2018-04-04 A kind of secondary cell wave beam failure recovery method, terminal and base station Pending CN110351875A (en)

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