CN108684077A - A kind of channel detection method, client and base station - Google Patents
A kind of channel detection method, client and base station Download PDFInfo
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- CN108684077A CN108684077A CN201810493779.3A CN201810493779A CN108684077A CN 108684077 A CN108684077 A CN 108684077A CN 201810493779 A CN201810493779 A CN 201810493779A CN 108684077 A CN108684077 A CN 108684077A
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- channel
- channel detection
- random access
- unlicensed spectrum
- synchronizing signal
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Classifications
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- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/002—Transmission of channel access control information
-
- 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]
- H04W74/0866—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a dedicated channel for access
- H04W74/0875—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a dedicated channel for access with assigned priorities based access
Abstract
The invention discloses a kind of channel detection method, client and base station, this method includes：When carrying out random access in unlicensed spectrum, the Channel Detection mechanism of channel detection equipment is determined, and determine at least one Channel Detection parameter that priority is high in the Channel Detection parameter of unlicensed spectrum place channel；According to the Channel Detection mechanism, at least one Channel Detection parameter of channel where the unlicensed spectrum is detected, it can be detected according to the priority sequence of Channel Detection parameter, improve the success rate of channel idle detection, so that client is smoothed out random access in unlicensed spectrum, delay is reduced, the success rate for carrying out random access in unlicensed spectrum is improved.
Description
Technical field
The present invention relates to a kind of channel detection techniques field more particularly to channel detection method, client and base stations.
Background technology
Client UE is by obtaining information parameter：(each random access opportunity RO is shown SSB-per-rach-occasion
The synchronizing signal block SSB quantity penetrated, value be { 1/8,1/4,1/2,1,2,4,8,16 }), prach-FDM (synchronization frequency domains
The RO quantity of multiplexing, value are { 1,2,4,8 }) and the SSB quantity that actually sends, determine the mapping relations of SSB and RO.
When UE initiates RACH (random access), usually CBRA (contention-based RACH, it is competition-based with
Machine accesses), according to the SSB and above- mentioned information of itself access, it is known that the time-frequency of the RO of lead code preamble can be sent
Domain position.
For the random access in unlicensed spectrum, UE needs first to carry out channel idle detection before sending, only detects
To channel idle, can send.But in unlicensed spectrum, it can not ensure the corresponding RO of SSBs of the UE where itself
It above or is able to detect that channel idle on the RO of DSCH Downlink Shared Channel PDCCH signal deployments, causes UE that can not initiate to connect at random
Enter, need to wait for available RO opportunitys next time, causes even to disconnect compared with long time delay.
Invention content
A kind of channel detection method of offer of the embodiment of the present invention, client and base station, to solve to award non-in the prior art
Weigh the low success rate of problem that random access is carried out on frequency spectrum.
The embodiment of the present invention uses following technical proposals：
In a first aspect, an embodiment of the present invention provides a kind of channel detection method, the method includes：
When carrying out random access in unlicensed spectrum, the Channel Detection mechanism of channel detection equipment is determined, and determination is non-
The high at least one Channel Detection parameter of priority in the Channel Detection parameter of channel where authorizing frequency spectrum；
According to the Channel Detection mechanism, at least one Channel Detection of channel where the unlicensed spectrum is joined
Number is detected.
Further, at least one Channel Detection parameter includes：Time granularity, postpones phase, short time at competition window
At least one of.
Further, the Channel Detection mechanism includes the first mechanism and the second mechanism；At least one Channel Detection
Parameter includes time granularity and competition window；
It is described according to the Channel Detection mechanism, at least one channel of channel where the unlicensed spectrum is examined
Parameter is surveyed to be detected, including：
In the case where the Channel Detection mechanism is first mechanism, target power is detected in first time granularity
Whether predetermined power is less than, and the target power is the power of channel where the unlicensed spectrum；
If being detected in the first time granularity, the target power is less than the predetermined power, it is determined that described non-
Channel idle where authorizing frequency spectrum；
Alternatively, in the case where the Channel Detection mechanism is second mechanism, institute is detected in the second time granularity
State whether target power is less than the predetermined power, the target power is less than institute if being detected in second time granularity
Predetermined power is stated, then the random value n in competition window, detects whether the target power is less than institute in third time granularity
Predetermined power is stated, if detecting that the target power is less than the predetermined power in the third time granularity, the value of n subtracts
1；
In the case where n is kept to 0, channel idle where the unlicensed spectrum is determined.
Further, the high at least one letter of priority in the Channel Detection parameter of channel where determining unlicensed spectrum
Before road detection parameters, further include：
The quantity and synchronization frequency domain multiplexing of the synchronizing signal block mapped on each random access opportunity based on acquisition
Random access opportunity quantity, determine the mapping relations of synchronizing signal block and random access opportunity；
It is described according to the Channel Detection mechanism if multiple synchronizing signal blocks map a random access opportunitys,
At least one Channel Detection parameter of channel where the unlicensed spectrum is detected, including：
The instruction information that configuration parameter and the base station based on base station configuration are sent, according to the Channel Detection mechanism,
At least one Channel Detection parameter of channel where the unlicensed spectrum is detected；
Wherein, the configuration parameter meet the quantity on the random access opportunity of the synchronization frequency domain multiplexing with it is described every
The quantity product of the synchronizing signal block mapped on a random access opportunity is more than or equal to the quantity of synchronizing signal block.
Further, described according to the channel if a synchronizing signal block maps multiple random access opportunitys
Testing mechanism is detected at least one Channel Detection parameter of channel where the unlicensed spectrum, including：
The instruction information that configuration parameter and the base station based on base station configuration are sent, according to the Channel Detection mechanism,
At least one Channel Detection parameter of channel where the unlicensed spectrum is detected；
Wherein, the configuration parameter meets quantity and the institute of the synchronizing signal block mapped on each random access opportunity
The quantity product for stating the random access opportunity of synchronization frequency domain multiplexing is less than 1.
Further, described according to the channel if a synchronizing signal block maps multiple random access opportunitys
Testing mechanism is detected at least one Channel Detection parameter of channel where the unlicensed spectrum, including：
The mapping order that the synchronizing signal block and the random access opportunity are configured based on base station is frequency domain after first time domain,
And the instruction information that the base station is sent, according to the Channel Detection mechanism, described in channel where the unlicensed spectrum
At least one Channel Detection parameter is detected.
Further, described according to the Channel Detection mechanism, to described in channel where the unlicensed spectrum at least
One Channel Detection parameter is detected, including：
Based on the instruction information that base station is sent, according to the Channel Detection mechanism, to channel where the unlicensed spectrum
At least one Channel Detection parameter be detected；
Wherein, the instruction information is used to indicate that multiple synchronizing signal blocks or random access opportunity carry out to client random
The information of access operation.
Second aspect, an embodiment of the present invention provides a kind of channel detection method, the method includes：
Instruction information and configuration parameter are sent to client, the instruction information is used to indicate client to unlicensed spectrum
Place channel is detected, and the configuration parameter is used to indicate the client and carries out at least one to channel where unlicensed spectrum
Secondary detection；
So that the client is based on the instruction information and configuration parameter, according to Channel Detection mechanism, to unauthorized frequency
At least one Channel Detection parameter of channel is detected where spectrum.
Further, when multiple synchronizing signal blocks map a random access opportunity, the configuration parameter meets same
The quantity on the random access opportunity of moment frequency domain multiplexing and the quantity of the synchronizing signal block mapped on each random access opportunity multiply
Quantity of the product more than or equal to synchronizing signal block；Alternatively,
When a synchronizing signal block maps multiple random access opportunitys, when the configuration parameter meets each random access
The quantity of the synchronizing signal block mapped on machine and the quantity product on the random access opportunity of synchronization frequency domain multiplexing are less than 1；Or
Person,
The instruction information is used to indicate that multiple synchronizing signal blocks or random access opportunity carry out random access to client
The information of operation.
The third aspect, an embodiment of the present invention provides a kind of clients, including：
First determining module, for when carrying out random access in unlicensed spectrum, determining the channel of channel detection equipment
Testing mechanism, and determine at least one Channel Detection ginseng that priority is high in the Channel Detection parameter of unlicensed spectrum place channel
Number；
Detection module, for according to the Channel Detection mechanism, to described in channel where the unlicensed spectrum at least
One Channel Detection parameter is detected.
Further, at least one Channel Detection parameter includes：Time granularity, postpones phase, short time at competition window
At least one of.
Further, the Channel Detection mechanism includes the first mechanism and the second mechanism；At least one Channel Detection
Parameter includes time granularity and competition window；
The detection module includes：
First detection unit is used in the case where the Channel Detection mechanism is first mechanism, at the first time
Whether detection target power is less than predetermined power in granularity, and the target power is the work(of channel where the unlicensed spectrum
Rate；
First determination unit, if for detecting that the target power is default less than described in the first time granularity
Power, it is determined that channel idle where the unlicensed spectrum；
Alternatively,
Second detection unit is used in the case where the Channel Detection mechanism is second mechanism, in the second time
Whether the detection target power is less than the predetermined power in granularity, if detecting the mesh in second time granularity
It marks power and is less than the predetermined power, then the random value n in competition window, detects the target work(in third time granularity
Whether rate is less than the predetermined power, if detecting that the target power is less than the default work(in the third time granularity
Rate, then the value of n subtract 1；
Second determination unit, for channel idle where in the case where n is kept to 0, determining the unlicensed spectrum.
Further, further include：
Second determining module, the quantity of the synchronizing signal block mapped on each random access opportunity based on acquisition,
And the quantity on the random access opportunity of synchronization frequency domain multiplexing, determine that synchronizing signal block and the mapping on random access opportunity close
System；
If multiple synchronizing signal blocks map a random access opportunity, the detection module includes：
Third detection unit, the instruction information that configuration parameter and the base station for being configured based on base station are sent, foundation
The Channel Detection mechanism is detected at least one Channel Detection parameter of channel where the unlicensed spectrum；
Wherein, the configuration parameter meet the quantity on the random access opportunity of the synchronization frequency domain multiplexing with it is described every
The quantity product of the synchronizing signal block mapped on a random access opportunity is more than or equal to the quantity of synchronizing signal block.
Further, if a synchronizing signal block maps multiple random access opportunitys, the detection module includes：
4th detection unit, the instruction information that configuration parameter and the base station for being configured based on base station are sent, foundation
The Channel Detection mechanism is detected at least one Channel Detection parameter of channel where the unlicensed spectrum；
Wherein, the configuration parameter meets quantity and the institute of the synchronizing signal block mapped on each random access opportunity
The quantity product for stating the random access opportunity of synchronization frequency domain multiplexing is less than 1.
Further, if a synchronizing signal block maps multiple random access opportunitys, the detection module includes：
5th detection unit, for configuring the synchronizing signal block based on base station and the mapping on the random access opportunity is suitable
Sequence is frequency domain and the instruction information of base station transmission after first time domain, according to the Channel Detection mechanism, to the unauthorized frequency
At least one Channel Detection parameter of channel is detected where spectrum.
Further, the detection module includes：
6th detection unit, the instruction information for being sent based on base station, according to the Channel Detection mechanism, to described non-
At least one Channel Detection parameter of channel is detected where authorizing frequency spectrum；
Wherein, the instruction information is used to indicate that multiple synchronizing signal blocks or random access opportunity carry out to client random
The information of access operation.
Fourth aspect, an embodiment of the present invention provides a kind of base stations, including：
Sending module, for sending instruction information and configuration parameter to client, the instruction information is used to indicate client
End is detected channel where unlicensed spectrum, and the configuration parameter is used to indicate the client to where unlicensed spectrum
Channel is detected at least once；
So that the client is based on the instruction information and configuration parameter, according to Channel Detection mechanism, to unauthorized frequency
At least one Channel Detection parameter of channel is detected where spectrum.
Further, when multiple synchronizing signal blocks map a random access opportunity, the configuration parameter meets same
The quantity on the random access opportunity of moment frequency domain multiplexing and the quantity of the synchronizing signal block mapped on each random access opportunity multiply
Quantity of the product more than or equal to synchronizing signal block；Alternatively,
When a synchronizing signal block maps multiple random access opportunitys, when the configuration parameter meets each random access
The quantity of the synchronizing signal block mapped on machine and the quantity product on the random access opportunity of synchronization frequency domain multiplexing are less than 1；Or
Person,
The instruction information is used to indicate that multiple synchronizing signal blocks or random access opportunity carry out random access to client
The information of operation.
5th aspect, the present invention provides a kind of clients, including：
Processor；And
It is arranged to the memory of storage computer executable instructions, the executable instruction makes the place when executed
Manage device：
When carrying out random access in unlicensed spectrum, the Channel Detection mechanism of channel detection equipment is determined, and determination is non-
The high at least one Channel Detection parameter of priority in the Channel Detection parameter of channel where authorizing frequency spectrum；
According to the Channel Detection mechanism, at least one Channel Detection of channel where the unlicensed spectrum is joined
Number is detected.
6th aspect, the present invention provides a kind of storage mediums, described executable for storing computer executable instructions
Following below scheme is realized in instruction when executed：
When carrying out random access in unlicensed spectrum, the Channel Detection mechanism of channel detection equipment is determined, and determination is non-
The high at least one Channel Detection parameter of priority in the Channel Detection parameter of channel where authorizing frequency spectrum；
According to the Channel Detection mechanism, at least one Channel Detection of channel where the unlicensed spectrum is joined
Number is detected.
7th aspect, the present invention provides a kind of base stations, including：
Processor；And
It is arranged to the memory of storage computer executable instructions, the executable instruction makes the place when executed
Manage device：
Instruction information and configuration parameter are sent to client, the instruction information is for the instruction client to unauthorized
Channel where frequency spectrum is detected, the configuration parameter be used to indicate the client to unlicensed spectrum place channel carry out to
Few one-time detection；
So that the client is based on the instruction information and configuration parameter, according to Channel Detection mechanism, to unauthorized frequency
At least one Channel Detection parameter of channel is detected where spectrum.
Eighth aspect, the present invention provides a kind of storage mediums, described executable for storing computer executable instructions
Following below scheme is realized in instruction when executed：
Instruction information and configuration parameter are sent to client, the instruction information is for the instruction client to unauthorized
Channel where frequency spectrum is detected, the configuration parameter be used to indicate the client to unlicensed spectrum place channel carry out to
Few one-time detection；
So that the client is based on the instruction information and configuration parameter, according to Channel Detection mechanism, to unauthorized frequency
At least one Channel Detection parameter of channel is detected where spectrum.
Above-mentioned at least one technical solution used in the embodiment of the present invention can reach following advantageous effect：
When the present invention in unlicensed spectrum by carrying out random access, the Channel Detection machine of channel detection equipment is determined
System, and determine at least one Channel Detection parameter that priority is high in the Channel Detection parameter of unlicensed spectrum place channel；According to
According to the Channel Detection mechanism, at least one Channel Detection parameter of channel where the unlicensed spectrum is detected, it can be by
It is detected according to the priority sequence of Channel Detection parameter, the success rate of channel idle detection is improved, so that client
End is smoothed out random access in unlicensed spectrum, reduces delay, improve carried out in unlicensed spectrum random access at
Power.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and constitutes the part of the present invention, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is a kind of schematic flow chart of channel detection method provided in an embodiment of the present invention；
Fig. 2-A are a kind of channel detection method provided in an embodiment of the present invention in the corresponding frequency spectrum signal of practical application scene
One of figure；
Fig. 2-B are a kind of channel detection method provided in an embodiment of the present invention in the corresponding frequency spectrum signal of practical application scene
The two of figure；
Fig. 2-C are a kind of channel detection method provided in an embodiment of the present invention in the corresponding frequency spectrum signal of practical application scene
The three of figure；
Fig. 2-D are a kind of channel detection method provided in an embodiment of the present invention in the corresponding frequency spectrum signal of practical application scene
The four of figure；
Fig. 3 is a kind of one of structural schematic diagram of client provided in an embodiment of the present invention；
Fig. 4 is a kind of second structural representation of client provided in an embodiment of the present invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
Fig. 1 shows a kind of schematic flow chart of channel detection method provided in an embodiment of the present invention, and the method for Fig. 1 can
With by client executing, as shown in Figure 1, this method includes：
Step 101, in unlicensed spectrum carry out random access when, determine the Channel Detection mechanism of channel detection equipment,
And the high at least one Channel Detection parameter of priority in the Channel Detection parameter of channel where determining unlicensed spectrum.
In the embodiment of the present invention, random access is carried out in unlicensed spectrum, it is thus understood that, 5G NR (New Radio,
New wireless technology) random access is carried out in unlicensed spectrum.
The client can be user equipment (Us e rEq ui pmen t, UE), such as mobile phone, tablet computer, notebook
Computer, palm PC, mobile internet device (Mo bileInternet Device, MID), wearable device are (such as intelligent
Wrist-watch (such as iWatch), Intelligent bracelet, pedometer etc.), etc..
The channel detection equipment may include：Access network equipment or terminal device.If the channel detection equipment is access net
In the case of equipment, such as the access network equipment can be base station (eNodeB, eNB)；When the communication system based on 5G, this connects
Log equipment can be the base station (gNB) suitable for newly eating dishes without rice or wine.
The channel detection equipment can determine affiliated Channel Detection mechanism etc. according to the content of transmitted data, specifically
The Channel Detection mechanism on ground, the channel detection equipment may include：First mechanism and the second mechanism；Wherein, if Channel Detection is set
Then it is the first mechanism comprising reference signal DRS, and unused Physical Downlink Shared Channel PDSCH is found in the signal that preparation is sent；
Reference signal DRS is found if not including in the signal that channel detection equipment is sent, and uses PDSCH, then is the second mechanism.
At least one Channel Detection parameter may include：Time granularity, is postponed in phase, short time extremely at competition window
It is one few.At least one Channel Detection parameter is the high Channel Detection parameter of priority.
Step 102, according to the Channel Detection mechanism, at least one letter of channel where the unlicensed spectrum
Road detection parameters are detected.
This step specifically can be achieved, in the case of Channel Detection mechanism, by channel where unlicensed spectrum
At least one Channel Detection parameter detecting, to determine whether channel where the unlicensed spectrum is idle.
Illustratively, if the channel detection equipment is access network equipment, the receiver of the access network equipment can be utilized
The power on channel where the unlicensed spectrum is received, and then whether the power on channel where detecting the unlicensed spectrum is low
In predetermined power；If the channel detection equipment is terminal device, non-can be awarded using the receiver of terminal device to receive this
Power where weighing frequency spectrum on channel, whether the power where then detecting the unlicensed spectrum on channel is less than predetermined power etc.
Deng.Channel where how being detected unlicensed spectrum for the channel detection equipment in the embodiment of the present invention is not construed as limiting.
When the present invention in unlicensed spectrum by carrying out random access, the Channel Detection machine of channel detection equipment is determined
System, and determine at least one Channel Detection parameter that priority is high in the Channel Detection parameter of unlicensed spectrum place channel；According to
According to the Channel Detection mechanism, at least one Channel Detection parameter of channel where the unlicensed spectrum is detected, it can be by
It is detected according to the priority sequence of Channel Detection parameter, the success rate of channel idle detection is improved, so that client
End is smoothed out random access in unlicensed spectrum, reduces delay, improve carried out in unlicensed spectrum random access at
Power.
Optionally, as one embodiment, the Channel Detection mechanism includes the first mechanism and the second mechanism；It is described at least
One Channel Detection parameter includes time granularity and competition window；
Step 102 specifically can be achieved：
In the case where the Channel Detection mechanism is first mechanism, target power is detected in first time granularity
Whether predetermined power is less than, and the target power is the power of channel where the unlicensed spectrum；
If being detected in the first time granularity, the target power is less than the predetermined power, it is determined that described non-
Channel idle where authorizing frequency spectrum；
Alternatively, in the case where the Channel Detection mechanism is second mechanism, institute is detected in the second time granularity
State whether target power is less than the predetermined power, the target power is less than institute if being detected in second time granularity
Predetermined power is stated, then the random value n in competition window, detects whether the target power is less than institute in third time granularity
Predetermined power is stated, if detecting that the target power is less than the predetermined power in the third time granularity, the value of n subtracts
1；
In the case where n is kept to 0, channel idle where the unlicensed spectrum is determined.
Optionally, as one embodiment, channel detection method provided in an embodiment of the present invention can also include：
The quantity and synchronization frequency domain multiplexing of the synchronizing signal block mapped on each random access opportunity based on acquisition
Random access opportunity quantity, determine the mapping relations of synchronizing signal block and random access opportunity；
The synchronizing signal block and the mapping relations on random access opportunity may include：Multiple synchronizing signal block mappings one
A random access opportunity, alternatively, a synchronizing signal block maps multiple random access opportunitys.It is, of course, also possible to which there are it
His mapping relations, the embodiment of the present invention are numerous to list herein.
Different from the mapping relations on random access opportunity for synchronizing signal block, the specific implementation of step 102 is also different, tool
Body is as described below：
If multiple synchronizing signal blocks map a random access opportunitys, step 102 specifically can be achieved be：
The instruction information that configuration parameter and the base station based on base station configuration are sent, according to the Channel Detection mechanism,
At least one Channel Detection parameter of channel where the unlicensed spectrum is detected；
Wherein, the configuration parameter meet the quantity on the random access opportunity of the synchronization frequency domain multiplexing with it is described every
The quantity product of the synchronizing signal block mapped on a random access opportunity is more than or equal to the quantity of synchronizing signal block.
That is, configuration parameter meets the quantity (prach-FDM) on the random access opportunity of synchronization frequency domain multiplexing
It is more than etc. with the product of the quantity (SSB-per-RACH-occasion) of the synchronizing signal block mapped on each random access opportunity
In or as possible close to send SSB quantity.
Multiple synchronizing signal block maps a random access opportunity, i.e., is mapped on each random access opportunity same
Walk the quantity (SSB-per-RACH-occasion) of block>=1.
The instruction information is used to indicate client and is detected to channel where unlicensed spectrum.
Illustratively, 8 SSB map a random access opportunity (SSB-per-RACH-occasion=1)：Such as Fig. 2-A
It is shown, it, can be in t2 if UE can not detect idle channel on the corresponding RO of t0 moment SSB1 as prach-FDM=4
Continue to detect channel on the corresponding RO of moment SSB1；As shown in fig. 2-b, as prach-FDM=2, if UE is at the t0 moment
Idle channel can not be detected on the corresponding RO of SSB1, then needs to continue to detect channel until the t4 moment later.
It should be noted that UE is to detect idle channel at the t0 moment, it can continue to detect channel, even if only detecting
To idle channel, it is also desirable to could be sent until the t4 moment.
In conclusion the embodiment of the present invention, when multiple synchronizing signal blocks map a random access opportunity, base station
The configuration parameter of configuration meets the quantity on the random access opportunity of synchronization frequency domain multiplexing and each random access opportunity shows
The quantity product for the synchronizing signal block penetrated is more than or equal to the quantity of synchronizing signal block, may make the corresponding RO's twice of a SSB
Time interval is smaller, reduces UE random access time delays.
If the synchronizing signal block maps multiple random access opportunitys, step 102 specifically can be achieved be：
The instruction information that configuration parameter and the base station based on base station configuration are sent, according to the Channel Detection mechanism,
At least one Channel Detection parameter of channel where the unlicensed spectrum is detected；
Wherein, the configuration parameter meets quantity and the institute of the synchronizing signal block mapped on each random access opportunity
The quantity product for stating the random access opportunity of synchronization frequency domain multiplexing is less than 1.
That is, configuration parameter meets the quantity (prach-FDM) on the random access opportunity of synchronization frequency domain multiplexing<
(quantity (SSB-per-RACH-occasion) of the synchronizing signal block mapped on 1/ each random access opportunity).
This synchronizing signal block maps multiple random access opportunitys, i.e., is mapped on each random access opportunity same
Walk the quantity (SSB-per-RACH-occasion) of block<1, that is, a SSB may map to multiple time-domain multiplexeds
RO。
The instruction information is used to indicate client and is detected to channel where unlicensed spectrum.
Illustratively, as shown in Fig. 2-C, 4 SSB map a random access opportunity (SSB-per-RACH-occasion
=1/4)：It, can if UE can not detect idle channel on the corresponding RO of t0 moment SSB1 as prach-FDM=2
To continue to detect on the RO of other corresponding different moments of the SSB, e.g., can continue on the corresponding RO of t1 moment SSB1 after
Continuous detection channel idle.
In conclusion the embodiment of the present invention, when a synchronizing signal block maps multiple random access opportunitys, base station configuration
Configuration parameter meet the quantity of the synchronizing signal block mapped on each random access opportunity and synchronization frequency domain multiplexing with
The quantity product that machine accesses opportunity is less than 1, the corresponding multiple RO of a SSB can be made in time-domain multiplexed so that UE can be in difference
Moment carries out multiple Channel Detection, as long as wherein one-time detection is to channel idle, so that it may to initiate random access RACH.Especially
, for the RACH of PDCCH triggerings, allows UE to initiate random access using specified other corresponding RO of SSB, improve UE and exist
The success rate of random access is carried out in unlicensed spectrum.
If the synchronizing signal block maps multiple random access opportunitys, step 102 specifically can be achieved be：
The mapping order that the synchronizing signal block and the random access opportunity are configured based on base station is frequency domain after first time domain,
And the instruction information that the base station is sent, according to the Channel Detection mechanism, described in channel where the unlicensed spectrum
At least one Channel Detection parameter is detected.
That is, when synchronizing signal block maps multiple random access opportunitys, base station configure synchronizing signal block with
The mapping order on the random access opportunity is frequency domain after first time domain.
This synchronizing signal block maps multiple random access opportunitys, i.e., is mapped on each random access opportunity same
Walk the quantity (SSB-per-RACH-occasion) of block<1, that is, a SSB may map to multiple time-domain multiplexeds
RO。
The instruction information is used to indicate client and is detected to channel where unlicensed spectrum.
Illustratively, as depicted in fig. 2-d, 4 SSB map a random access opportunity (SSB-per-RACH-occasion
=1/4)：As prach-FDM=4, if UE can not detect idle channel, Ke Yiji on the corresponding RO of t0 moment SSB1
Continue and continues to detect on the corresponding RO of t1-t3 moment SSB1.
In conclusion the embodiment of the present invention, when a synchronizing signal block maps multiple random access opportunitys, base station configuration
Synchronizing signal block and the mapping order on the random access opportunity are frequency domain after first time domain, can make the corresponding multiple RO of a SSB
In time-domain multiplexed so that UE can carry out multiple Channel Detection in different moments, be connect at random in unlicensed spectrum for UE
Enter and multiple chance is provided, to improve the success rate of random access.
Optionally, as one embodiment, step 102 specifically can be achieved be：
Based on the instruction information that base station is sent, according to the Channel Detection mechanism, to channel where the unlicensed spectrum
At least one Channel Detection parameter be detected；
Wherein, the instruction information is used to indicate that multiple synchronizing signal blocks or random access opportunity carry out to client random
The information of access operation.
It should be noted that the embodiment of the present invention is directed to the case where RACH of PDCCH triggerings.
The instruction information that the embodiment of the present invention is sent based on base station, the instruction information are used to indicate multiple synchronizations to client
Block or random access opportunity carry out the information of random access operation so that when base station is using PDCCH triggering RACH, base station can
To indicate multiple SSB or RO to UE, to provide multiple random access opportunitys when carrying out random access in unlicensed spectrum for UE,
And then improve the success rate that UE carries out random access in unlicensed spectrum.
The executive agent of a kind of channel detection method provided in an embodiment of the present invention, the channel detection method can be base
It stands, this method includes：
Instruction information and configuration parameter are sent to client, the instruction information is for the instruction client to unauthorized
Channel where frequency spectrum is detected, the configuration parameter be used to indicate the client to unlicensed spectrum place channel carry out to
Few one-time detection；
So that the client is based on the instruction information and configuration parameter, according to Channel Detection mechanism, to unauthorized frequency
At least one Channel Detection parameter of channel is detected where spectrum.
Wherein, when multiple synchronizing signal blocks map a random access opportunity, the configuration parameter meets synchronization
The quantity on the random access opportunity of frequency domain multiplexing and the quantity product of the synchronizing signal block mapped on each random access opportunity are big
In the quantity equal to synchronizing signal block；Alternatively, when a synchronizing signal block maps multiple random access opportunitys, the configuration ginseng
When number meets the quantity and the random access of synchronization frequency domain multiplexing of the synchronizing signal block mapped on each random access opportunity
The quantity product of machine is less than 1；Alternatively, when the instruction information is used to indicate multiple synchronizing signal blocks or random access to client
Machine carries out the information of random access operation.
In the embodiment of the present invention, the different configuration parameters that client is sent based on base station, to believing where unlicensed spectrum
The realization method that at least one Channel Detection parameter in road is detected is different, specifically refers to the correlation in foregoing invention embodiment
Content, details are not described herein for the embodiment of the present invention.
When the present invention in unlicensed spectrum by carrying out random access, the Channel Detection machine of channel detection equipment is determined
System, and determine at least one Channel Detection parameter that priority is high in the Channel Detection parameter of unlicensed spectrum place channel；According to
According to the Channel Detection mechanism, at least one Channel Detection parameter of channel where the unlicensed spectrum is detected, it can be by
It is detected according to the priority sequence of Channel Detection parameter, the success rate of channel idle detection is improved, so that client
End is smoothed out random access in unlicensed spectrum, reduces delay, improve carried out in unlicensed spectrum random access at
Power.
More than, the channel detection method of the embodiment of the present invention is described in detail in conjunction with Fig. 1, in the following, in conjunction with Fig. 3, specifically
The client of the bright embodiment of the present invention.
Fig. 3 shows a kind of structural schematic diagram of client provided in an embodiment of the present invention, as shown in figure 3, the client
Based on inventive concept same as a kind of channel detection method that one embodiment of the invention provides, which includes：
First determining module 301, for when carrying out random access in unlicensed spectrum, determining the letter of channel detection equipment
Road testing mechanism, and determine at least one Channel Detection that priority is high in the Channel Detection parameter of unlicensed spectrum place channel
Parameter；
Detection module 302, for according to the Channel Detection mechanism, to described in channel where the unlicensed spectrum extremely
A few Channel Detection parameter is detected.
In one embodiment, at least one Channel Detection parameter includes：Time granularity, competition window, postpone the phase,
At least one of short time.
In one embodiment, the Channel Detection mechanism includes the first mechanism and the second mechanism；At least one letter
Road detection parameters include time granularity and competition window；
The detection module 302 includes：
First detection unit is used in the case where the Channel Detection mechanism is first mechanism, at the first time
Whether detection target power is less than predetermined power in granularity, and the target power is the work(of channel where the unlicensed spectrum
Rate；
First determination unit, if for detecting that the target power is default less than described in the first time granularity
Power, it is determined that channel idle where the unlicensed spectrum；
Alternatively,
Second detection unit is used in the case where the Channel Detection mechanism is second mechanism, in the second time
Whether the detection target power is less than the predetermined power in granularity, if detecting the mesh in second time granularity
It marks power and is less than the predetermined power, then the random value n in competition window, detects the target work(in third time granularity
Whether rate is less than the predetermined power, if detecting that the target power is less than the default work(in the third time granularity
Rate, then the value of n subtract 1；
Second determination unit, for channel idle where in the case where n is kept to 0, determining the unlicensed spectrum.
In one embodiment, further include：
Second determining module 303, the number of the synchronizing signal block mapped on each random access opportunity based on acquisition
The quantity on the random access opportunity of amount and synchronization frequency domain multiplexing, determines the mapping of synchronizing signal block and random access opportunity
Relationship；
If multiple synchronizing signal blocks map a random access opportunity, the detection module 302 includes：
Third detection unit, the instruction information that configuration parameter and the base station for being configured based on base station are sent, foundation
The Channel Detection mechanism is detected at least one Channel Detection parameter of channel where the unlicensed spectrum；
Wherein, the configuration parameter meet the quantity on the random access opportunity of the synchronization frequency domain multiplexing with it is described every
The quantity product of the synchronizing signal block mapped on a random access opportunity is more than or equal to the quantity of synchronizing signal block.
In one embodiment, if a synchronizing signal block maps multiple random access opportunitys, the detection mould
Block 302 includes：
4th detection unit, the instruction information that configuration parameter and the base station for being configured based on base station are sent, foundation
The Channel Detection mechanism is detected at least one Channel Detection parameter of channel where the unlicensed spectrum；
Wherein, the configuration parameter meets quantity and the institute of the synchronizing signal block mapped on each random access opportunity
The quantity product for stating the random access opportunity of synchronization frequency domain multiplexing is less than 1.
In one embodiment, if a synchronizing signal block maps multiple random access opportunitys, the detection mould
Block 302 includes：
5th detection unit, for configuring the synchronizing signal block based on base station and the mapping on the random access opportunity is suitable
Sequence is frequency domain and the instruction information of base station transmission after first time domain, according to the Channel Detection mechanism, to the unauthorized frequency
At least one Channel Detection parameter of channel is detected where spectrum.
In one embodiment, the detection module 302 includes：
6th detection unit, the instruction information for being sent based on base station, according to the Channel Detection mechanism, to described non-
At least one Channel Detection parameter of channel is detected where authorizing frequency spectrum；
Wherein, the instruction information is used to indicate that multiple synchronizing signal blocks or random access opportunity carry out to client random
The information of access operation.
When the present invention in unlicensed spectrum by carrying out random access, the Channel Detection machine of channel detection equipment is determined
System, and determine at least one Channel Detection parameter that priority is high in the Channel Detection parameter of unlicensed spectrum place channel；According to
According to the Channel Detection mechanism, at least one Channel Detection parameter of channel where the unlicensed spectrum is detected, it can be by
It is detected according to the priority sequence of Channel Detection parameter, the success rate of channel idle detection is improved, so that client
End is smoothed out random access in unlicensed spectrum, reduces delay, improve carried out in unlicensed spectrum random access at
Power.
More than, the channel detection method of the embodiment of the present invention is described in detail in conjunction with Fig. 2, in the following, the present invention will be described in detail
The base station of embodiment.The base station based on inventive concept same as a kind of channel detection method that one embodiment of the invention provides,
The base station includes：
Sending module, for sending instruction information and configuration parameter to client, the instruction information is used for the instruction
Client is detected channel where unlicensed spectrum, and the configuration parameter is used to indicate the client to unlicensed spectrum
Place channel is detected at least once；
So that the client is based on the instruction information and configuration parameter, according to Channel Detection mechanism, to unauthorized frequency
At least one Channel Detection parameter of channel is detected where spectrum.
In one embodiment, it is described configuration parameter meet synchronization frequency domain multiplexing random access opportunity quantity with
The quantity product of the synchronizing signal block mapped on each random access opportunity is more than or equal to the quantity of synchronizing signal block；Alternatively,
The configuration parameter meets the quantity and synchronization frequency of the synchronizing signal block mapped on each random access opportunity
The quantity product on the random access opportunity of domain multiplexing is less than 1；Alternatively,
The instruction information is used to indicate that multiple synchronizing signal blocks or random access opportunity carry out random access to client
The information of operation.
When the present invention in unlicensed spectrum by carrying out random access, the Channel Detection machine of channel detection equipment is determined
System, and determine at least one Channel Detection parameter that priority is high in the Channel Detection parameter of unlicensed spectrum place channel；According to
According to the Channel Detection mechanism, at least one Channel Detection parameter of channel where the unlicensed spectrum is detected, it can be by
It is detected according to the priority sequence of Channel Detection parameter, the success rate of channel idle detection is improved, so that client
End is smoothed out random access in unlicensed spectrum, reduces delay, improve carried out in unlicensed spectrum random access at
Power.
Fig. 4 show be a kind of client provided in an embodiment of the present invention structural schematic diagram.Referring to FIG. 4, in hardware
Level, the client include processor, further include optionally internal bus, network interface, memory.Wherein, memory may
Including memory, such as high-speed random access memory (Random-Access Memory, RAM), it is also possible to further include non-volatile
Property memory (non-volatile memory), for example, at least 1 magnetic disk storage etc..Certainly, which is also possible that
The required hardware of other business.
Processor, network interface and memory can be connected with each other by internal bus, which can be ISA
(Industry Standard Architecture, industry standard architecture) bus, PCI (Peripheral
Component Interconnect, Peripheral Component Interconnect standard) bus or EISA (Extended Industry Standard
Architecture, expanding the industrial standard structure) bus etc..The bus can be divided into address bus, data/address bus, control always
Line etc..For ease of indicating, only indicated with a four-headed arrow in Fig. 4, it is not intended that an only bus or a type of
Bus.
Memory, for storing program.Specifically, program may include program code, and said program code includes calculating
Machine operational order.Memory may include memory and nonvolatile memory, and provide instruction and data to processor.
Processor is from then operation in corresponding computer program to memory is read in nonvolatile memory, in logical layer
Network covering property characterization apparatus is formed on face.Processor executes the program that memory is stored, and following specifically for executing
Operation：
When carrying out random access in unlicensed spectrum, the Channel Detection mechanism of channel detection equipment is determined, and determination is non-
The high at least one Channel Detection parameter of priority in the Channel Detection parameter of channel where authorizing frequency spectrum；
According to the Channel Detection mechanism, at least one Channel Detection of channel where the unlicensed spectrum is joined
Number is detected.
When the present invention in unlicensed spectrum by carrying out random access, the Channel Detection machine of channel detection equipment is determined
System, and determine at least one Channel Detection parameter that priority is high in the Channel Detection parameter of unlicensed spectrum place channel；According to
According to the Channel Detection mechanism, at least one Channel Detection parameter of channel where the unlicensed spectrum is detected, it can be by
It is detected according to the priority sequence of Channel Detection parameter, the success rate of channel idle detection is improved, so that client
End is smoothed out random access in unlicensed spectrum, reduces delay, improve carried out in unlicensed spectrum random access at
Power.
The method of the above-mentioned client executing as disclosed in embodiment illustrated in fig. 3 of the present invention can be applied in processor, or
Person is realized by processor.Processor may be a kind of IC chip, the processing capacity with signal.During realization,
Each step of the above method can be completed by the integrated logic circuit of the hardware in processor or the instruction of software form.On
The processor stated can be at general processor, including central processing unit (Central Processing Unit, CPU), network
Manage device (Network Processor, NP) etc.；Can also be digital signal processor (Digital Signal Processor,
DSP), application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), field programmable gate
Array (Field-Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or crystalline substance
Body pipe logical device, discrete hardware components.May be implemented or execute disclosed each method in the embodiment of the present invention, step and
Logic diagram.General processor can be microprocessor or the processor can also be any conventional processor etc..In conjunction with
The step of method disclosed in the embodiment of the present invention, can be embodied directly in hardware decoding processor and execute completion, or with decoding
Hardware and software module combination in processor execute completion.Software module can be located at random access memory, flash memory, read-only storage
In the storage medium of this fields such as device, programmable read only memory or electrically erasable programmable memory, register maturation.It should
The step of storage medium is located at memory, and processor reads the information in memory, the above method is completed in conjunction with its hardware.
The embodiment of the present invention also proposed a kind of computer readable storage medium, the computer-readable recording medium storage one
A or multiple programs, the one or more program include instruction, and the instruction is when the client executing for being included multiple application programs
When, the method that Channel Detection device executes in the client executing embodiment illustrated in fig. 4 can be made, and specifically for executing：
When carrying out random access in unlicensed spectrum, the Channel Detection mechanism of channel detection equipment is determined, and determination is non-
The high at least one Channel Detection parameter of priority in the Channel Detection parameter of channel where authorizing frequency spectrum；
According to the Channel Detection mechanism, at least one Channel Detection of channel where the unlicensed spectrum is joined
Number is detected.
When the present invention in unlicensed spectrum by carrying out random access, the Channel Detection machine of channel detection equipment is determined
System, and determine at least one Channel Detection parameter that priority is high in the Channel Detection parameter of unlicensed spectrum place channel；According to
According to the Channel Detection mechanism, at least one Channel Detection parameter of channel where the unlicensed spectrum is detected, it can be by
It is detected according to the priority sequence of Channel Detection parameter, the success rate of channel idle detection is improved, so that client
End is smoothed out random access in unlicensed spectrum, reduces delay, improve carried out in unlicensed spectrum random access at
Power.
The present invention be with reference to the method for the embodiment of the present invention, equipment (system) and computer program product flow chart and/
Or block diagram describes.It should be understood that each flow that can be realized by computer program instructions in flowchart and/or the block diagram and/
Or the combination of the flow and/or box in box and flowchart and/or the block diagram.These computer program instructions can be provided
To all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices processor to generate one
A machine so that by the instruction that computer or the processor of other programmable data processing devices execute generate for realizing
The device for the function of being specified in one flow of flow chart or multiple flows and/or one box of block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
In a typical configuration, computing device includes one or more processors (CPU), input/output interface, net
Network interface and memory.
Memory may include computer-readable medium in volatile memory, random access memory (RAM) and/or
The forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is computer-readable medium
Example.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology realizes information storage.Information can be computer-readable instruction, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static RAM (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable
Programmable read only memory (EEPROM), fast flash memory bank or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM),
Digital versatile disc (DVD) or other optical storages, magnetic tape cassette, tape magnetic disk storage or other magnetic storage apparatus
Or any other non-transmission medium, it can be used for storage and can be accessed by a computing device information.As defined in this article, it calculates
Machine readable medium does not include temporary computer readable media (transitory media), such as data-signal and carrier wave of modulation.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Including so that process, method, commodity or equipment including a series of elements include not only those elements, but also wrap
Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including element
There is also other identical elements in process, method, commodity or equipment.
It these are only the embodiment of the present invention, be not intended to restrict the invention.To those skilled in the art,
The invention may be variously modified and varied.It is all within spirit and principles of the present invention made by any modification, equivalent replacement,
Improve etc., it should be included within scope of the presently claimed invention.
Claims (20)
1. a kind of channel detection method, which is characterized in that the method includes：
When carrying out random access in unlicensed spectrum, the Channel Detection mechanism of channel detection equipment is determined, and determination is unauthorized
The high at least one Channel Detection parameter of priority in the Channel Detection parameter of channel where frequency spectrum；
According to the Channel Detection mechanism, at least one Channel Detection parameter of channel where the unlicensed spectrum into
Row detection.
2. according to the method described in claim 1, it is characterized in that, at least one Channel Detection parameter includes：Time grain
Degree, postpones at least one of phase, short time at competition window.
3. according to the method described in claim 2, it is characterized in that, the Channel Detection mechanism includes the first mechanism and the second machine
System；At least one Channel Detection parameter includes time granularity and competition window；
It is described according to the Channel Detection mechanism, at least one Channel Detection of channel where the unlicensed spectrum is joined
Number is detected, including：
In the case where the Channel Detection mechanism is first mechanism, whether target power is detected in first time granularity
Less than predetermined power, the target power is the power of channel where the unlicensed spectrum；
If being detected in the first time granularity, the target power is less than the predetermined power, it is determined that described unauthorized
Channel idle where frequency spectrum；
Alternatively, in the case where the Channel Detection mechanism is second mechanism, target work(is detected in the second time granularity
Whether rate is less than predetermined power, if being detected in second time granularity, the target power is less than the predetermined power,
The then random value n in competition window, detects whether the target power is less than the predetermined power in third time granularity,
If detecting that the target power is less than the predetermined power in the third time granularity, the value of n subtracts 1；
In the case where n is kept to 0, channel idle where the unlicensed spectrum is determined.
4. method described in any one of claim 1 to 3, which is characterized in that the channel where determining unlicensed spectrum
Channel Detection parameter in before the high at least one Channel Detection parameter of priority, further include：
The quantity of the synchronizing signal block mapped on each random access opportunity based on acquisition and synchronization frequency domain multiplexing with
Machine accesses the quantity on opportunity, determines the mapping relations of synchronizing signal block and random access opportunity；
If multiple synchronizing signal blocks map a random access opportunity, described according to the Channel Detection mechanism, to institute
At least one Channel Detection parameter of channel is detected where stating unlicensed spectrum, including：
The instruction information that configuration parameter and the base station based on base station configuration are sent, according to the Channel Detection mechanism, to institute
At least one Channel Detection parameter of channel is detected where stating unlicensed spectrum；
Wherein, it is described configuration parameter meet the synchronization frequency domain multiplexing random access opportunity quantity with it is described each with
The quantity product for the synchronizing signal block that machine maps on access opportunity is more than or equal to the quantity of synchronizing signal block.
5. according to the method described in claim 4, it is characterized in that,
If a synchronizing signal block maps multiple random access opportunitys, described according to the Channel Detection mechanism, to institute
At least one Channel Detection parameter of channel is detected where stating unlicensed spectrum, including：
The instruction information that configuration parameter and the base station based on base station configuration are sent, according to the Channel Detection mechanism, to institute
At least one Channel Detection parameter of channel is detected where stating unlicensed spectrum；
Wherein, the configuration parameter meet the quantity of the synchronizing signal block mapped on each random access opportunity with it is described same
The quantity product on the random access opportunity of one moment frequency domain multiplexing is less than 1.
6. according to the method described in claim 4, it is characterized in that,
If a synchronizing signal block maps multiple random access opportunitys, described according to the Channel Detection mechanism, to institute
At least one Channel Detection parameter of channel is detected where stating unlicensed spectrum, including：
The mapping order that the synchronizing signal block and the random access opportunity are configured based on base station is frequency domain and institute after first time domain
The instruction information for stating base station transmission, according to the Channel Detection mechanism, to described in channel where the unlicensed spectrum at least
One Channel Detection parameter is detected.
7. method described in any one of claim 1 to 3, which is characterized in that it is described according to the Channel Detection mechanism,
At least one Channel Detection parameter of channel where the unlicensed spectrum is detected, including：
Based on the instruction information that base station is sent, according to the Channel Detection mechanism, to the institute of channel where the unlicensed spectrum
At least one Channel Detection parameter is stated to be detected；
Wherein, the instruction information is used to indicate that multiple synchronizing signal blocks or random access opportunity carry out random access to client
The information of operation.
8. a kind of channel detection method, which is characterized in that the method includes：
Instruction information and configuration parameter are sent to client, the instruction information is used to indicate client to where unlicensed spectrum
Channel is detected, and the configuration parameter is used to indicate the client and is examined at least once to channel where unlicensed spectrum
It surveys；
So that the client is based on the instruction information and configuration parameter, according to Channel Detection mechanism, to unlicensed spectrum institute
It is detected at least one Channel Detection parameter of channel.
9. according to the method described in claim 8, it is characterized in that,
When multiple synchronizing signal blocks map a random access opportunity, the configuration parameter meets synchronization frequency domain multiplexing
The quantity on random access opportunity is more than or equal to synchronous with the quantity product of the synchronizing signal block mapped on each random access opportunity
The quantity of block；Alternatively,
When a synchronizing signal block maps multiple random access opportunitys, the configuration parameter met on each random access opportunity
The quantity of the synchronizing signal block of mapping and the quantity product on the random access opportunity of synchronization frequency domain multiplexing are less than 1；Alternatively,
The instruction information is used to indicate that multiple synchronizing signal blocks or random access opportunity carry out random access operation to client
Information.
10. a kind of client, which is characterized in that including：
First determining module, for when carrying out random access in unlicensed spectrum, determining the Channel Detection of channel detection equipment
Mechanism, and determine at least one Channel Detection parameter that priority is high in the Channel Detection parameter of unlicensed spectrum place channel；
Detection module is used for according to the Channel Detection mechanism, to the described at least one of channel where the unlicensed spectrum
Channel Detection parameter is detected.
11. client according to claim 10, which is characterized in that at least one Channel Detection parameter includes：When
Between granularity, competition window, postpone phase, at least one of short time.
12. client according to claim 11, which is characterized in that the Channel Detection mechanism includes the first mechanism and the
Two mechanism；At least one Channel Detection parameter includes time granularity and competition window；
The detection module includes：
First detection unit is used in the case where the Channel Detection mechanism is first mechanism, in first time granularity
Whether interior detection target power is less than predetermined power, and the target power is the power of channel where the unlicensed spectrum；
First determination unit, if for detecting that the target power is less than the default work(in the first time granularity
Rate, it is determined that channel idle where the unlicensed spectrum；
Alternatively,
Second detection unit is used in the case where the Channel Detection mechanism is second mechanism, in the second time granularity
Whether interior detection target power is less than predetermined power, if being detected in second time granularity, the target power is less than institute
Predetermined power is stated, then the random value n in competition window, detects whether the target power is less than institute in third time granularity
Predetermined power is stated, if detecting that the target power is less than the predetermined power in the third time granularity, the value of n subtracts
1；
Second determination unit, for channel idle where in the case where n is kept to 0, determining the unlicensed spectrum.
13. the client according to any one of claim 10~12, which is characterized in that further include：
Second determining module, the quantity of the synchronizing signal block mapped on each random access opportunity based on acquisition, and it is same
The quantity on the random access opportunity of one moment frequency domain multiplexing, determines the mapping relations of synchronizing signal block and random access opportunity；
If multiple synchronizing signal blocks map a random access opportunity, the detection module includes：
Third detection unit, the instruction information that configuration parameter and the base station for being configured based on base station are sent, according to described in
Channel Detection mechanism is detected at least one Channel Detection parameter of channel where the unlicensed spectrum；
Wherein, it is described configuration parameter meet the synchronization frequency domain multiplexing random access opportunity quantity with it is described each with
The quantity product for the synchronizing signal block that machine maps on access opportunity is more than or equal to the quantity of synchronizing signal block.
14. client according to claim 13, which is characterized in that
If a synchronizing signal block maps multiple random access opportunitys, the detection module includes：
4th detection unit, the instruction information that configuration parameter and the base station for being configured based on base station are sent, according to described in
Channel Detection mechanism is detected at least one Channel Detection parameter of channel where the unlicensed spectrum；
Wherein, the configuration parameter meet the quantity of the synchronizing signal block mapped on each random access opportunity with it is described same
The quantity product on the random access opportunity of one moment frequency domain multiplexing is less than 1.
15. client according to claim 13, which is characterized in that
If a synchronizing signal block maps multiple random access opportunitys, the detection module includes：
5th detection unit, for configuring the synchronizing signal block based on base station and the mapping order on the random access opportunity is
The instruction information that frequency domain and the base station are sent after first time domain, according to the Channel Detection mechanism, to the unlicensed spectrum institute
It is detected at least one Channel Detection parameter of channel.
16. the client according to any one of claim 10~12, which is characterized in that the detection module includes：
6th detection unit, the instruction information for being sent based on base station, according to the Channel Detection mechanism, to described unauthorized
At least one Channel Detection parameter of channel is detected where frequency spectrum；
Wherein, the instruction information is used to indicate that multiple synchronizing signal blocks or random access opportunity carry out random access to client
The information of operation.
17. a kind of base station, which is characterized in that including：
Sending module, for sending instruction information and configuration parameter to client, the instruction information is used to indicate client pair
Channel where unlicensed spectrum is detected, and the configuration parameter is used to indicate the client to channel where unlicensed spectrum
It is detected at least once；
So that the client is based on the instruction information and configuration parameter, according to Channel Detection mechanism, to unlicensed spectrum institute
It is detected at least one Channel Detection parameter of channel.
18. base station according to claim 17, which is characterized in that
When multiple synchronizing signal blocks map a random access opportunity, the configuration parameter meets synchronization frequency domain multiplexing
The quantity on random access opportunity is more than or equal to synchronous with the quantity product of the synchronizing signal block mapped on each random access opportunity
The quantity of block；Alternatively,
When a synchronizing signal block maps multiple random access opportunitys, the configuration parameter met on each random access opportunity
The quantity of the synchronizing signal block of mapping and the quantity product on the random access opportunity of synchronization frequency domain multiplexing are less than 1；Alternatively,
The instruction information is used to indicate that multiple synchronizing signal blocks or random access opportunity carry out random access operation to client
Information.
19. a kind of client, which is characterized in that including：
Processor；And
It is arranged to the memory of storage computer executable instructions, the executable instruction makes the processing when executed
Device：
When carrying out random access in unlicensed spectrum, the Channel Detection mechanism of channel detection equipment is determined, and determination is unauthorized
The high at least one Channel Detection parameter of priority in the Channel Detection parameter of channel where frequency spectrum；
According to the Channel Detection mechanism, at least one Channel Detection parameter of channel where the unlicensed spectrum into
Row detection.
20. a kind of storage medium, for storing computer executable instructions, the executable instruction is realized following when executed
Flow：
When carrying out random access in unlicensed spectrum, the Channel Detection mechanism of channel detection equipment is determined, and determination is unauthorized
The high at least one Channel Detection parameter of priority in the Channel Detection parameter of channel where frequency spectrum；
According to the Channel Detection mechanism, at least one Channel Detection parameter of channel where the unlicensed spectrum into
Row detection.
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| CN201810493779.3A CN108684077A (en) | 2018-05-22 | 2018-05-22 | A kind of channel detection method, client and base station |
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| CN201810493779.3A CN108684077A (en) | 2018-05-22 | 2018-05-22 | A kind of channel detection method, client and base station |
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| CN111277378A (en) * | 2018-12-29 | 2020-06-12 | 维沃移动通信有限公司 | Information receiving method, information sending method, terminal and network side equipment |
| WO2020140224A1 (en) * | 2019-01-03 | 2020-07-09 | 北京小米移动软件有限公司 | Channel detection method and apparatus |
| RU2790545C2 (en) * | 2018-12-29 | 2023-02-22 | Виво Мобайл Комьюникэйшн Ко., Лтд. | Methods for reception, transmission of information, subscriber equipment, and network device |
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