CN110392429A - Dispatch instruction and acquisition methods, base station, terminal, the readable medium of resource - Google Patents
Dispatch instruction and acquisition methods, base station, terminal, the readable medium of resource Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
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Abstract
It is a kind of dispatch resource instruction and acquisition methods, base station, terminal, readable medium, it is described scheduling resource indicating means include: receive user terminal send lead code；Determine the scheduling resource information of multiple time slots；The scheduling resource information of the multiple time slot is indicated to the user terminal by random access response.Using above scheme, user terminal can be made to be based on multiple time slots and send MSG3, to improve the success rate that user terminal sends MSG3.
Description
Technical field
The present embodiments relate to the communications field more particularly to a kind of instruction for dispatching resource and acquisition methods, base station, ends
End, readable medium.
Background technique
In a wireless communication system, it when user terminal (User Equipment, UE) needs to access network, needs to initiate
Random access obtains uplink synchronous.UE in connected state is also required to initiate random access in certain scenes.For example, working as uplink
When step-out, if necessary to transmit upstream data, UE needs to send emulative random access (Contention based
Random Access Procedure)；When uplink loss, base station, can be by under physics if necessary to send data to UE
Row control signaling triggering UE executes emulative random access or noncompetitive random access.
In existing (New Radio, NR) agreement of newly eating dishes without rice or wine, base station configures random access resource by system message,
Such as the available lead code etc. of the running time-frequency resource position, random access where random access, usual random access resource are periodical
Occur.When UE has the demand of access network, random access is initiated according to the random access resource of base station configuration.It is emulative with
The process of machine access includes the following steps: 1, UE random selection lead code (Preamble) and is sent to by message 1 (MSG1)
Base station；2, base station sends random access response to UE by message 2 (MSG2)；3, UE is upper according to include in random access response
Row resource sends message 3 (MSG3), and when UE initial access network, MSG3 includes wireless heterogeneous networks (Radio Resource
Control, RRC) connection request；When UE implements to switch, MSG3 includes that the switching sent to target BS is completed；4, base station is sent out
Contention resolved is sent, shows the success of UE random access.Noncompetitive random access is used for the UE of connected state, and Preamble is by base
It stands and UE is distributed to by signaling in advance.UE will not generate conflict by the random access that the Preamble of distribution is executed, and base station is received
Random access response is sent after the Preamble sent to UE, this random access procedure terminates.
In practical applications, NR network is generally deployed in license (licensed) frequency spectrum that operator possesses, but due to
Frequency spectrum resource is very rare, therefore at networking initial stage, and operator can make full use of the bandwidth of unlicensed (unlicensed) frequency spectrum.
For example, base station can be monitored by listem-before-talk (Listen Before Talk, LBT) mechanism before using 5GHz frequency spectrum
Some frequency band, the NR signal which may be disposed by WLAN channel and other operators is shared, if detecting the frequency band
The transmission that the frequency band carries out signaling and data as transmission channel then can be used in free time.Using a period of time, such as 8ms it
Afterwards, it needs to discharge the frequency spectrum resource, then monitors the right to use for obtaining frequency spectrum next time again.
When NR network is deployed in unlicensed frequency spectrum, during UE executes random access, need to rely on LBT's
As a result uplink is executed.According to existing implementation, base station is in random access response (Random Access
Response, RAR) in instruction MSG3 transfer resource, but UE may can not obtain the right to use of channel due to LBT, cause
UE can not send MSG3 in time, it is necessary to re-initiate Preamble, increase so as to cause the probability of random access failure.
Summary of the invention
The technical issues of embodiment of the present invention solves is the success rate for how improving user terminal and sending MSG3.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of indicating means for dispatching resource, the method packet
It includes: receiving the lead code that user terminal is sent；Determine the scheduling resource information of multiple time slots；By random access response to described
User terminal indicates the scheduling resource information of the multiple time slot.
Optionally, described to indicate that the scheduling resource of the multiple time slot is believed to the user terminal by random access response
Breath includes: the right to use for executing LBT and obtaining idle channel；Based on the idle channel, by random access response to the use
Family terminal indicates the scheduling resource information of the multiple time slot.
Optionally, the multiple time slot is continuous multiple time slots or discontinuous multiple time slots.
Optionally, when the multiple time slot is continuous multiple time slots, it is described by random access response to described
User terminal indicates before the scheduling resource information of the multiple time slot, further includes: is indicated by system message described continuous
The number information of multiple time slots.
Optionally, when the multiple time slot is discontinuous multiple time slots, it is described by random access response to institute
Before stating the scheduling resource information that user terminal indicates the multiple time slot, further includes: do not connect by the way that system message instruction is described
The relevant information of continuous multiple time slots.
Optionally, the relevant information of discontinuous multiple time slots includes: the number of discontinuous multiple time slots
The number of time slots information being spaced between information and discontinuous multiple time slots.
Optionally, the corresponding scheduling resource information of each time slot is identical or not identical.
Optionally, when the corresponding scheduling resource information difference of each time slot, the scheduling resource information of the multiple time slot
It include: N group scheduling resource parameters information, wherein N is the number of the multiple time slot.
Optionally, when the corresponding scheduling resource information difference of each time slot, the scheduling resource information of the multiple time slot
It include: the corresponding identical scheduling resource parameters information of multiple time slots and the corresponding different scheduling resource ginseng of the multiple time slots of N group
Number information, wherein N is the number of the multiple time slot.
Optionally, it is described scheduling resource parameters include: modulation /demodulation policing parameter, distribution Physical Resource Block parameter,
The power contorl parameters of MSG3 transmission, the duration for executing LBT.
Optionally, when the corresponding scheduling resource information difference of each time slot, the scheduling resource information of the multiple time slot
It include: the gap information of multiple time slots and the resource information that corresponding each time slot is distributed.
The embodiment of the present invention provides a kind of acquisition methods for dispatching resource, comprising: receiving random access response, it is described random
Access response includes the scheduling resource information of multiple time slots；The scheduling of the multiple time slot is obtained by the random access response
Resource information.
Optionally, the multiple time slot is continuous multiple time slots or discontinuous multiple time slots.
Optionally, when the multiple time slot is continuous multiple time slots, before the receiving random access response, also
It include: reception system message；The number information of continuous multiple time slots is obtained by the system message.
Optionally, when the multiple time slot is discontinuous multiple time slots, before the receiving random access response,
Further include: receive system message；The relevant information of discontinuous multiple time slots is obtained by the system message.
Optionally, the relevant information of discontinuous multiple time slots includes: the number of discontinuous multiple time slots
The number of time slots information being spaced between information and discontinuous multiple time slots.
Optionally, the corresponding scheduling resource information of each time slot is identical or not identical.
Optionally, when the corresponding scheduling resource information difference of each time slot, the scheduling resource information of the multiple time slot
It include: N group scheduling resource parameters information, wherein N is the number of the multiple time slot.
Optionally, when the corresponding scheduling resource information difference of each time slot, the scheduling resource information of the multiple time slot
It include: the corresponding identical scheduling resource parameters information of multiple time slots and the corresponding different scheduling resource ginseng of the multiple time slots of N group
Number information, wherein N is the number of the multiple time slot.
Optionally, it is described scheduling resource parameters include: modulation /demodulation policing parameter, distribution Physical Resource Block parameter,
The power contorl parameters of MSG3 transmission, the duration for executing LBT.
Optionally, when the corresponding scheduling resource information difference of each time slot, the scheduling resource information of the multiple time slot
It include: the gap information of multiple time slots and the resource information that corresponding each time slot is distributed.
Optionally, it is also wrapped after the scheduling resource information that the multiple time slot is obtained by the random access response
It includes: when allowing to send MSG3, according to the scheduling resource information of the multiple time slot, sending MSG3 at least once.
The embodiment of the present invention provides a kind of base station, comprising: the first receiving unit, suitable for receiving the leading of user terminal transmission
Code；Determination unit is adapted to determine that the scheduling resource information of multiple time slots；First indicating unit, suitable for passing through random access response
The scheduling resource information of the multiple time slot is indicated to the user terminal.
Optionally, first indicating unit includes: execution subelement, is adapted for carrying out the use that LBT obtains idle channel
Power；It indicates subelement, is suitable for being based on the idle channel, it is the multiple to user terminal instruction by random access response
The scheduling resource information of time slot.
Optionally, the multiple time slot is continuous multiple time slots or discontinuous multiple time slots.
Optionally, when the multiple time slot is continuous multiple time slots, further includes: the second indicating unit, suitable for passing through
System message indicates the number information of continuous multiple time slots.
Optionally, when the multiple time slot is discontinuous multiple time slots, further includes: third indicating unit is suitable for logical
Cross the relevant information that system message indicates discontinuous multiple time slots.
Optionally, the relevant information of discontinuous multiple time slots includes: the number of discontinuous multiple time slots
The number of time slots information being spaced between information and discontinuous multiple time slots.
Optionally, the corresponding scheduling resource information of each time slot is identical or not identical.
Optionally, when the corresponding scheduling resource information difference of each time slot, the scheduling resource information of the multiple time slot
It include: N group scheduling resource parameters information, wherein N is the number of the multiple time slot.
Optionally, when the corresponding scheduling resource information difference of each time slot, the scheduling resource information of the multiple time slot
It include: the corresponding identical scheduling resource parameters information of multiple time slots and the corresponding different scheduling resource ginseng of the multiple time slots of N group
Number information, wherein N is the number of the multiple time slot.
Optionally, it is described scheduling resource parameters include: modulation /demodulation policing parameter, distribution Physical Resource Block parameter,
The power contorl parameters of MSG3 transmission, the duration for executing LBT.
Optionally, when the corresponding scheduling resource information difference of each time slot, the scheduling resource information of the multiple time slot
It include: the gap information of multiple time slots and the resource information that corresponding each time slot is distributed.
The embodiment of the present invention provides a kind of terminal, comprising: the second receiving unit is suitable for receiving random access response, described
Random access response includes the scheduling resource information of multiple time slots；First acquisition unit is suitable for passing through the random access response
Obtain the scheduling resource information of the multiple time slot.
Optionally, the multiple time slot is continuous multiple time slots or discontinuous multiple time slots.
Optionally, the terminal further include: third receiving unit is suitable for receiving system message；Second acquisition unit is suitable for
The number information of continuous multiple time slots is obtained by the system message.
Optionally, the terminal further include: third receiving unit is suitable for receiving system message；Third acquiring unit, is suitable for
The relevant information of discontinuous multiple time slots is obtained by the system message.
Optionally, the relevant information of discontinuous multiple time slots includes: the number of discontinuous multiple time slots
The number of time slots information being spaced between information and discontinuous multiple time slots.
Optionally, the corresponding scheduling resource information of each time slot is identical or not identical.
Optionally, when the corresponding scheduling resource information difference of each time slot, the scheduling resource information of the multiple time slot
It include: N group scheduling resource parameters information, wherein N is the number of the multiple time slot.
Optionally, when the corresponding scheduling resource information difference of each time slot, the scheduling resource information of the multiple time slot
It include: the corresponding identical scheduling resource parameters information of multiple time slots and the corresponding different scheduling resource ginseng of the multiple time slots of N group
Number information, wherein N is the number of the multiple time slot.
Optionally, it is described scheduling resource parameters include: modulation /demodulation policing parameter, distribution Physical Resource Block parameter,
The power contorl parameters of MSG3 transmission, the duration for executing LBT.
Optionally, when the corresponding scheduling resource information difference of each time slot, the scheduling resource information of the multiple time slot
It include: the gap information of multiple time slots and the resource information that corresponding each time slot is distributed.
Optionally, the terminal further include: transmission unit, suitable for allow send MSG3 when, according to the multiple time slot
Scheduling resource information, send MSG3 at least once.
The embodiment of the present invention provides a kind of computer readable storage medium, and computer readable storage medium is non-volatile deposits
Storage media or non-transitory storage media, are stored thereon with computer instruction, and the computer instruction executes any of the above-described when running
The step of indicating means of the scheduling resource or the acquisition methods of any of the above-described scheduling resource.
The embodiment of the present invention provides a kind of base station, including memory and processor, and being stored on the memory can be in institute
The computer instruction run on processor is stated, the processor executes any of the above-described scheduling when running the computer instruction
The step of indicating means of resource.
The embodiment of the present invention provides a kind of terminal, including memory and processor, and being stored on the memory can be in institute
The computer instruction run on processor is stated, the processor executes any of the above-described scheduling when running the computer instruction
The step of acquisition methods of resource.
Compared with prior art, the technical solution of the embodiment of the present invention has the advantages that
The embodiment of the present invention is referred to by random access response to user terminal after receiving the lead code that user terminal is sent
The scheduling resource information for showing multiple time slots can make user terminal be based on multiple time slots and send MSG3, to improve user's end
End sends the success rate of MSG3.
Further, the scheduling resource information of multiple time slots includes: the corresponding identical scheduling resource parameters letter of multiple time slots
Different scheduling resource parameters information corresponding with the multiple time slots of N group is ceased, scheduling resource parameters identical for multiple time slots are only
Instruction is primary, can effectively save overhead bit.
Detailed description of the invention
Fig. 1 is a kind of flow chart of indicating means for dispatching resource provided in an embodiment of the present invention；
Fig. 2 is a kind of flow chart of acquisition methods for dispatching resource provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of base station provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of terminal provided in an embodiment of the present invention.
Specific embodiment
In existing realization, when NR network is deployed in unlicensed frequency spectrum, the process of random access is executed in UE
In, the result for needing to rely on LBT executes uplink.According to existing implementation, base station indicates the transmission of MSG3 in RAR
Resource, but UE may can not obtain the right to use of channel due to LBT, cause UE that can not send MSG3 in time, it is necessary to send out again
Preamble is played, is increased so as to cause the probability of random access failure.
The embodiment of the present invention is referred to by random access response to user terminal after receiving the lead code that user terminal is sent
The scheduling resource information for showing multiple time slots can make user terminal be based on multiple time slots and send MSG3, to improve user's end
End sends the success rate of MSG3.
It is understandable to enable above-mentioned purpose of the invention, feature and beneficial effect to become apparent, with reference to the accompanying drawing to this
The specific embodiment of invention is described in detail.
Referring to Fig. 1, the embodiment of the invention provides a kind of indicating means for dispatching resource, may include steps of:
Step S101 receives the lead code that user terminal is sent.
In specific implementation, base station can be deployed in unlicensed frequency spectrum (being referred to as frequency band) and send system message
With paging message etc..When base station deployment is in unlicensed frequency spectrum, base station indicates scheduling resource, the i.e. biography of MSG3 in RAR
Defeated resource, but UE may can not obtain the right to use of channel due to LBT, cause UE that can not send MSG3 in time, it is necessary to again
Lead code is initiated, increases so as to cause the probability of random access failure, therefore needs to consider the indication scheme of Optimized Operation resource.
In specific implementation, when base station deployment is in unlicensed frequency spectrum, user terminal executes LBT, obtains idle letter
After the right to use in road, a lead code is selected to initiate random access based on random access resource, therefore base station is firstly the need of reception
The lead code that user terminal is sent.
Step S102 determines the scheduling resource information of multiple time slots.
In specific implementation, it in order to improve the success rate that user terminal sends MSG3, can be indicated for user terminal multiple
The scheduling resource information of time slot is used for transmission MSG3.
In specific implementation, the multiple time slot can be continuous multiple time slots, or when discontinuous multiple
Gap.
In specific implementation, for the scheduling resource information of multiple time slots, wherein the corresponding scheduling resource letter of each time slot
Breath can be identical, can not also be identical.
Step S103 indicates that the scheduling resource of the multiple time slot is believed to the user terminal by random access response
Breath.
It in specific implementation, can be by the inclusion of media access control (the Medium Access of random access response
Control, MAC) layer protocol data cell (Protocol Data Unit, PDU) the transmission random access response.
In specific implementation, when base station can be deployed in unlicensed frequency spectrum, base station needs to be implemented LBT and obtains channel
The right to use after, i.e., the acknowledgement channel free time when, the idle channel could be utilized to send random access response.
In an embodiment of the present invention, the scheduling resource information packet that the multiple time slot is indicated to the user terminal
It includes: executing the right to use that LBT obtains idle channel；Based on the idle channel, when the instruction of Xiang Suoshu user terminal is the multiple
The scheduling resource information of gap.
In specific implementation, when the multiple time slot is continuous multiple time slots, the number of the multiple time slot can be with
By way of making an appointment, about it is set to fixed value, such as agreement connects the random access on unlicensed frequency band at random
The scheduling resource information for entering response instruction is applied to multiple continuous time slots, and the multiple time slot is continuous 3 time slots；?
The number information of the multiple time slot can be indicated by system message.Due to can only refer in existing random access response
Show the scheduling resource information an of time slot, therefore when random access response indicates the scheduling resource information of multiple time slots, it needs to refer to
The number information for showing the multiple time slot allows UE to know that the resource information for including in current accidental access response message is answered
For multiple time slots.
In an embodiment of the present invention, when the multiple time slot is continuous multiple time slots, by the way of making an appointment,
The number of fixed the multiple time slot, and when the corresponding scheduling resource information of each time slot is identical, does not need to modify and includes at present
The format of the MAC PDU of random access response does not both need to increase additional indication bit.
In an embodiment of the present invention, it when the multiple time slot is continuous multiple time slots, is rung by random access
Before the scheduling resource information that should indicate the multiple time slot to the user terminal, can also be indicated by system message described in
The number information of continuous multiple time slots.
In specific implementation, cell instruction random access can be increased in the random access configuration information in system message
Respond the number information of corresponding continuous multiple time slots.
In specific implementation, when the multiple time slot is discontinuous multiple time slots, the related letter of the multiple time slot
The interval for example, between the number and two neighboring discontinuous time slot of discontinuous multiple time slots is ceased, can be passed through
The mode made an appointment, is about set to fixed value, can also be indicated by system message.
In an embodiment of the present invention, when the multiple time slot is discontinuous multiple time slots, the multiple time slot
Relevant information can about be set to fixed value.For example, discontinuous multiple slot times are fixed as 2 time slots, it is described not connect
Continuous multiple number of time slots are fixed as 2, then when first scheduling resource is applied to time slot n, second scheduling resource application
In time slot n+3.
In an embodiment of the present invention, when the multiple time slot is discontinuous multiple time slots, passing through random access
Before responding the scheduling resource information for indicating the multiple time slot to the user terminal, institute can also be indicated by system message
State the relevant information of discontinuous multiple time slots.
In specific implementation, cell instruction random access can be increased in the random access configuration information in system message
Respond the relevant information of corresponding discontinuous multiple time slots.
In specific implementation, the relevant information of discontinuous multiple time slots may include: described discontinuous multiple
The number of time slots information being spaced between the number information of time slot and discontinuous multiple time slots.
In specific implementation, it when the corresponding scheduling resource information difference of each time slot, needs existing comprising random
It accesses in the MAC PDU of response and increases bit, be used to refer to the corresponding scheduling resource information of multiple time slots.
In specific implementation, for indicating the corresponding random access response for dispatching resource information of multiple time slots, Ke Yifen
The not independent scheduling resource parameters information for indicating each time slot, can also be believed with the scheduling resource parameters of each time slot of joint instructions
Breath, for example, scheduling resource parameters identical for multiple time slots only indicate once, the scheduling resource ginseng different for multiple time slots
Number indicates respectively, to save overhead bit.
In specific implementation, the scheduling resource parameters may include: the physical resource of modulation /demodulation policing parameter, distribution
The duration of block parameter, the power contorl parameters of MSG3 transmission, execution LBT.
For example, in an embodiment of the present invention, the function of multiple time slots corresponding modulation /demodulation policing parameter and MSG3 transmission
Rate control parameter is identical, and the Physical Resource Block parameter of the corresponding distribution of multiple time slots is different, can be in the random access response
In only indicate primary modulation demodulation policing parameter and MSG3 transmission power contorl parameters, for distribution Physical Resource Block join
Number needs to indicate that the Physical Resource Block parameter of the corresponding distribution of different time-gap is used for since the respective value of each time slot is different
Transmission of the MSG3 in different time-gap.
In an embodiment of the present invention, when the corresponding scheduling resource information difference of each time slot, the multiple time slot
Dispatching resource information includes: N group scheduling resource parameters information, and wherein N is the number of the multiple time slot.
In an embodiment of the present invention, when the corresponding scheduling resource information difference of each time slot, the multiple time slot
Dispatching resource information includes: the corresponding identical scheduling resource parameters information of multiple time slots and the corresponding difference of the multiple time slots of N group
Scheduling resource parameters information, wherein N be the multiple time slot number.
In specific implementation, when the multiple time slot is discontinuous multiple time slots, and the corresponding scheduling of each time slot provides
Source information does not indicate the scheduling resource information distributed directly at the same time it can also pass through random access response.For example, directly indicating more
The resource information of the gap information of a time slot and corresponding each time slot allocation more flexible can distribute MSG3's in this way
Resource.
In an embodiment of the present invention, when the corresponding scheduling resource information difference of each time slot, the multiple time slot
Scheduling resource information includes: the gap information of multiple time slots and the resource information that corresponding each time slot is distributed.
It in specific implementation, can be according to connecing at random after user terminal receives the random access response of base station transmission
The acquisition of information for entering response instruction dispatches resource.For example, the scheduling resource are as follows: 2 of 2 time slots in interval since subframe n
Secondary transfer resource.Then user terminal executes LBT before a little earlier in subframe n or subframe n, decides whether to send out according to the result of LBT
Send MSG3.If not sending MSG3 in the right to use that subframe n can not obtain idle channel.In subframe n+3 or subframe n+3
LBT is executed before a little earlier, if obtaining the right to use of idle channel, MSG3 is sent to base station according to scheduling resource.Base station connects
After receiving MSG3, according to admission control mechanism, decide whether that the user terminal is allowed to access, sent if allowing MSG4 to
The user terminal.After the user terminal receives one's own MSG4, random access procedure is completed.
In specific implementation, user terminal according to LBT's as a result, allow send MSG3 when, according to the multiple time slot
Scheduling resource send MSG3 at least once, for example user terminal executes LBT and finds channel idle, provides in the scheduling of the distribution
In source, user terminal can be sent 2 times or 3 MSG3, and the success rate of MSG3 transmission can be improved in this way.
Since base station indicates the scheduling resource information of multiple time slots, therefore user terminal can be obviously improved and send MSG3's
Success rate, it is ensured that random access continues to execute, and avoids user terminal from re-initiating after it cannot obtain the channel right to use leading
Code.It is understood that step S101 and step S102 are only used to distinguish different steps, it is not offered as executing successive suitable
Sequence.In specific implementation, step S101 can be first carried out, then executes step S102, step S102 can also be first carried out, then execute
Step S101 may also be performed simultaneously step S101 and step S102.
Using above scheme, after receiving the lead code that user terminal is sent, by random access response to user terminal
The scheduling resource information for indicating multiple time slots can make user terminal be based on multiple time slots and send MSG3, to improve user
The success rate of terminal transmission MSG3.
To better understand those skilled in the art and implementing the present invention, the embodiment of the invention also provides a kind of scheduling
The acquisition methods of resource, as shown in Figure 2.
Referring to fig. 2, the acquisition methods of the scheduling resource may include steps of:
Step S201, receiving random access response, the random access response include the scheduling resource information of multiple time slots.
In specific implementation, when base station deployment is in unlicensed frequency spectrum, LBT is first carried out in user terminal, is obtained empty
Then after the right to use of idle channel, lead code is selected to initiate random access based on random access resource, the base to be received such as
Stand send random access response.
In specific implementation, user terminal can connect at random by the inclusion of the MAC PDU of random access response reception is described
Enter response.
In specific implementation, in order to improve the success rate that user terminal sends MSG3, the random access response be can wrap
Include the scheduling resource information of multiple time slots.
In specific implementation, the multiple time slot can be continuous multiple time slots, or when discontinuous multiple
Gap.
In specific implementation, for the scheduling resource information of multiple time slots, wherein the corresponding scheduling resource letter of each time slot
Breath can be identical, can not also be identical.
Step S202 obtains the scheduling resource information of the multiple time slot by the random access response.
In specific implementation, when the multiple time slot is continuous multiple time slots, user terminal can be by appointing in advance
Fixed fixed value obtains the number information of the multiple time slot, and the number of the multiple time slot can also be obtained by system message
Information.
In an embodiment of the present invention, when the multiple time slot is continuous multiple time slots, pass through the fixation made an appointment
Value obtains the number information of the multiple time slot, and when the corresponding scheduling resource information of each time slot is identical, does not need to modify mesh
The format of the preceding MAC PDU comprising random access response, that is, do not need to increase additional indication bit.
In an embodiment of the present invention, it when the multiple time slot is continuous multiple time slots, is connect at random in the reception
Before entering response, further includes: receive system message；The number letter of continuous multiple time slots is obtained by the system message
Breath.
In specific implementation, user terminal can pass through the related cells in the random access configuration information in system message
Obtain the number information of the corresponding continuous multiple time slots of random access response.
In specific implementation, when the multiple time slot is discontinuous multiple time slots, user terminal can be by preparatory
The mode of agreement obtains the relevant information of the multiple time slot, for example, discontinuous multiple slot times are about set to fixation
2 time slots, discontinuous multiple number of time slots are about set to 2, then when first scheduling resource is applied to time slot n,
Second scheduling resource is applied to time slot n+3；The relevant information of the multiple time slot can also be obtained by system message.
In an embodiment of the present invention, it when the multiple time slot is discontinuous multiple time slots, is received at random described
Before access response, further includes: receive system message；The phase of discontinuous multiple time slots is obtained by the system message
Close information.
In specific implementation, user terminal can pass through the related cells in the random access configuration information in system message
Obtain the relevant information of the corresponding discontinuous multiple time slots of random access response.
In specific implementation, it when the corresponding scheduling resource information difference of each time slot, needs existing comprising random
It accesses in the MAC PDU of response and increases bit, base station is allowed to be used to refer to the corresponding scheduling resource information of multiple time slots.
In an embodiment of the present invention, when the corresponding scheduling resource information difference of each time slot, the multiple time slot
Dispatching resource information includes: N group scheduling resource parameters information, and wherein N is the number of the multiple time slot.
In an embodiment of the present invention, when the corresponding scheduling resource information difference of each time slot, the multiple time slot
Dispatching resource information includes: the corresponding identical scheduling resource parameters information of multiple time slots and the corresponding difference of the multiple time slots of N group
Scheduling resource parameters information, wherein N be the multiple time slot number.
In specific implementation, the scheduling resource parameters may include: the physical resource of modulation /demodulation policing parameter, distribution
The duration of block parameter, the power contorl parameters of MSG3 transmission, execution LBT.
In specific implementation, when the corresponding scheduling resource information difference of each time slot, the scheduling of the multiple time slot is provided
Source information includes: the gap information of multiple time slots and the resource information that corresponding each time slot is distributed.
It in specific implementation, can be by connecing at random after user terminal receives the random access response of base station transmission
Enter the scheduling resource that response obtains the multiple time slot.For example, the scheduling resource are as follows: 2, the interval time slot since subframe n
2 transfer resources.Then user terminal executes LBT before a little earlier in subframe n or subframe n, is decided whether according to the result of LBT
Send MSG3.If not sending MSG3 in the right to use that subframe n can not obtain idle channel.In subframe n+3 or subframe n+
3 execute LBT before a little earlier, if obtaining the right to use of idle channel, send MSG3 to base station according to scheduling resource.Base station connects
After receiving MSG3, according to admission control mechanism, decide whether that the user terminal is allowed to access, sent if allowing MSG4 to
The user terminal.After the user terminal receives one's own MSG4, random access procedure is completed.
In specific implementation, user terminal according to LBT's as a result, allow send MSG3 when, according to the multiple time slot
Scheduling resource send MSG3 at least once, for example user terminal executes LBT and finds channel idle, provides in the scheduling of the distribution
In source, user terminal can be sent 2 times or 3 MSG3, and the success rate of MSG3 transmission can be improved in this way.
In an embodiment of the present invention, the scheduling resource that the multiple time slot is obtained by the random access response
After information further include: when allowing to send MSG3, according to the scheduling resource information of the multiple time slot, send at least once
MSG3。
Since base station indicates the scheduling resource information of multiple time slots, therefore user terminal can be obviously improved and send MSG3's
Success rate, it is ensured that random access continues to execute, and avoids user terminal from re-initiating after it cannot obtain the channel right to use leading
Code.
To better understand those skilled in the art and implementing the present invention, the embodiment of the invention also provides one kind can
Realize the base station of the indicating means of above-mentioned scheduling resource, as shown in Figure 3.
Referring to Fig. 3, the base station 30 may include: the first receiving unit 31, determination unit 32 and the first indicating unit 33,
Wherein:
First receiving unit 31, the lead code sent suitable for receiving user terminal.
The determination unit 32 is adapted to determine that the scheduling resource information of multiple time slots.
First indicating unit 33 is suitable for indicating the multiple time slot to the user terminal by random access response
Scheduling resource information.
In an embodiment of the present invention, first indicating unit includes 33: executing subelement 331 and instruction subelement
332, in which:
The execution subelement 331 is adapted for carrying out the right to use that LBT obtains idle channel.
The instruction subelement 332 is suitable for being based on the idle channel, by random access response to the user terminal
Indicate the scheduling resource information of the multiple time slot.
In specific implementation, the multiple time slot is continuous multiple time slots or discontinuous multiple time slots.
In an embodiment of the present invention, when the multiple time slot is continuous multiple time slots, the base station 30 further include:
Second indicating unit (not shown), suitable for indicating the number information of continuous multiple time slots by system message.
In an embodiment of the present invention, when the multiple time slot is discontinuous multiple time slots, the base station 30 is also wrapped
It includes: third indicating unit (not shown), suitable for indicating the relevant information of discontinuous multiple time slots by system message.
In specific implementation, the relevant information of discontinuous multiple time slots includes: discontinuous multiple time slots
Number information and discontinuous multiple time slots between the number of time slots information that is spaced.
In specific implementation, the corresponding scheduling resource information of each time slot is identical or not identical.
In an embodiment of the present invention, when the corresponding scheduling resource information difference of each time slot, the multiple time slot
Dispatching resource information includes: N group scheduling resource parameters information, and wherein N is the number of the multiple time slot.
In an embodiment of the present invention, when the corresponding scheduling resource information difference of each time slot, the multiple time slot
Dispatching resource information includes: the corresponding identical scheduling resource parameters information of multiple time slots and the corresponding difference of the multiple time slots of N group
Scheduling resource parameters information, wherein N be the multiple time slot number.
In specific implementation, the scheduling resource parameters include: the Physical Resource Block ginseng of modulation /demodulation policing parameter, distribution
The duration of number, the power contorl parameters of MSG3 transmission, execution LBT.
In an embodiment of the present invention, when the corresponding scheduling resource information difference of each time slot, the multiple time slot
Scheduling resource information includes: the gap information of multiple time slots and the resource information that corresponding each time slot is distributed.
In specific implementation, the workflow and principle of the base station 30 can be with reference to the scheduling provided in above-described embodiment
Description in the indicating means of resource, details are not described herein again.
To better understand those skilled in the art and implementing the present invention, the embodiment of the invention also provides one kind can
Realize the terminal of the acquisition methods of above-mentioned scheduling resource, as shown in Figure 4.
Referring to fig. 4, the terminal 40 may include: the second receiving unit 41 and first acquisition unit 42, in which:
Second receiving unit 41 is suitable for receiving random access response, and the random access response includes multiple time slots
Scheduling resource information.
The first acquisition unit 42, suitable for obtaining the scheduling resource of the multiple time slot by the random access response
Information.
In specific implementation, the multiple time slot is continuous multiple time slots or discontinuous multiple time slots.
In an embodiment of the present invention, the terminal 40 further include: third receiving unit (not shown) and second obtains list
First (not shown), in which:
The third receiving unit is suitable for receiving system message.
The second acquisition unit, the number suitable for obtaining continuous multiple time slots by the system message are believed
Breath.
In an embodiment of the present invention, the terminal 40 further include: third receiving unit (not shown) and third obtain list
First (not shown), in which:
The third receiving unit is suitable for receiving system message.
The third acquiring unit is believed suitable for obtaining the related of discontinuous multiple time slots by the system message
Breath.
In specific implementation, the relevant information of discontinuous multiple time slots includes: discontinuous multiple time slots
Number information and discontinuous multiple time slots between the number of time slots information that is spaced.
In specific implementation, the corresponding scheduling resource information of each time slot is identical or not identical.
In an embodiment of the present invention, when the corresponding scheduling resource information difference of each time slot, the multiple time slot
Dispatching resource information includes: N group scheduling resource parameters information, and wherein N is the number of the multiple time slot.
In an embodiment of the present invention, when the corresponding scheduling resource information difference of each time slot, the multiple time slot
Dispatching resource information includes: the corresponding identical scheduling resource parameters information of multiple time slots and the corresponding difference of the multiple time slots of N group
Scheduling resource parameters information, wherein N be the multiple time slot number.
In specific implementation, the scheduling resource parameters include: the Physical Resource Block ginseng of modulation /demodulation policing parameter, distribution
The duration of number, the power contorl parameters of MSG3 transmission, execution LBT.
In an embodiment of the present invention, when the corresponding scheduling resource information difference of each time slot, the multiple time slot
Scheduling resource information includes: the gap information of multiple time slots and the resource information that corresponding each time slot is distributed.
Optionally, the terminal 40 further include: transmission unit (not shown), suitable for allow send MSG3 when, according to institute
The scheduling resource information of multiple time slots is stated, MSG3 at least once is sent.
In specific implementation, the workflow of the terminal 40 and principle can be with reference to the scheduling provided in above-described embodiment
Description in the acquisition methods of resource, details are not described herein again.
The embodiment of the present invention provides a kind of computer readable storage medium, and computer readable storage medium is non-volatile deposits
Storage media or non-transitory storage media, are stored thereon with computer instruction, and the computer instruction executes any of the above-described when running
Step corresponding to the acquisition methods of the indicating means or any scheduling resource of planting the scheduling resource, it is no longer superfluous herein
It states.
The embodiment of the present invention provides a kind of base station, including memory and processor, and being stored on the memory can be
The computer instruction run on the processor, the processor execute described in any of the above-described kind when running the computer instruction
Step corresponding to the indicating means of resource is dispatched, details are not described herein again.
The embodiment of the present invention provides a kind of terminal, including memory and processor, and being stored on the memory can be
The computer instruction run on the processor, the processor execute described in any of the above-described kind when running the computer instruction
Step corresponding to the acquisition methods of resource is dispatched, details are not described herein again.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium may include: ROM, RAM, disk or CD etc..
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (47)
1. a kind of indicating means for dispatching resource characterized by comprising
Receive the lead code that user terminal is sent；
Determine the scheduling resource information of multiple time slots；
The scheduling resource information of the multiple time slot is indicated to the user terminal by random access response.
2. it is according to claim 1 scheduling resource indicating means, which is characterized in that it is described by random access response to
The user terminal indicates that the scheduling resource information of the multiple time slot includes:
Execute the right to use that LBT obtains idle channel；
Based on the idle channel, the scheduling resource of the multiple time slot is indicated to the user terminal by random access response
Information.
3. the indicating means of scheduling resource according to claim 1, which is characterized in that the multiple time slot is continuous more
A time slot or discontinuous multiple time slots.
4. the indicating means of scheduling resource according to claim 3, which is characterized in that when the multiple time slot is continuous
When multiple time slots, in the scheduling resource information for indicating the multiple time slot to the user terminal by random access response
Before, further includes: the number information of continuous multiple time slots is indicated by system message.
5. the indicating means of scheduling resource according to claim 3, which is characterized in that when the multiple time slot is discontinuous
Multiple time slots when, it is described by random access response to the user terminal indicate the multiple time slot scheduling resource believe
Before breath, further includes: indicate the relevant information of discontinuous multiple time slots by system message.
6. the indicating means of scheduling resource according to claim 5, which is characterized in that discontinuous multiple time slots
Relevant information include: discontinuous multiple time slots number information and discontinuous multiple time slots between be spaced
Number of time slots information.
7. the indicating means of scheduling resource according to claim 1, which is characterized in that the corresponding scheduling resource of each time slot
Information is identical or not identical.
8. the indicating means of scheduling resource according to claim 7, which is characterized in that when the corresponding scheduling money of each time slot
When source information difference, the scheduling resource information of the multiple time slot includes: N group scheduling resource parameters information, and wherein N is described more
The number of a time slot.
9. the indicating means of scheduling resource according to claim 7, which is characterized in that when the corresponding scheduling money of each time slot
When source information difference, the scheduling resource information of the multiple time slot includes: the corresponding identical scheduling resource parameters of multiple time slots
Information and the corresponding different scheduling resource parameters information of the multiple time slots of N group, wherein N is the number of the multiple time slot.
10. the indicating means of scheduling resource according to claim 8 or claim 9, which is characterized in that the scheduling resource parameters packet
It includes:
Modulation /demodulation policing parameter, the Physical Resource Block parameter of distribution, MSG3 transmission power contorl parameters, execute LBT when
It is long.
11. the indicating means of scheduling resource according to claim 7, which is characterized in that when the corresponding scheduling of each time slot
When resource information difference, when the scheduling resource information of the multiple time slot includes: the gap information of multiple time slots and corresponds to each
The resource information that gap is distributed.
12. a kind of acquisition methods for dispatching resource characterized by comprising
Receiving random access response, the random access response include the scheduling resource information of multiple time slots；
The scheduling resource information of the multiple time slot is obtained by the random access response.
13. the acquisition methods of scheduling resource according to claim 12, which is characterized in that the multiple time slot is continuous
Multiple time slots or discontinuous multiple time slots.
14. the acquisition methods of scheduling resource according to claim 13, which is characterized in that when the multiple time slot is continuous
Multiple time slots when, before the receiving random access response, further includes:
Receive system message；
The number information of continuous multiple time slots is obtained by the system message.
15. the acquisition methods of scheduling resource according to claim 13, which is characterized in that when the multiple time slot is not connect
When continuous multiple time slots, before the receiving random access response, further includes:
Receive system message；
The relevant information of discontinuous multiple time slots is obtained by the system message.
16. the acquisition methods of scheduling resource according to claim 15, which is characterized in that discontinuous multiple time slots
Relevant information include: discontinuous multiple time slots number information and discontinuous multiple time slots between be spaced
Number of time slots information.
17. the acquisition methods of scheduling resource according to claim 12, which is characterized in that the corresponding scheduling of each time slot provides
Source information is identical or not identical.
18. the acquisition methods of scheduling resource according to claim 17, which is characterized in that when the corresponding scheduling of each time slot
When resource information difference, the scheduling resource information of the multiple time slot includes: N group scheduling resource parameters information, and wherein N is described
The number of multiple time slots.
19. the acquisition methods of scheduling resource according to claim 17, which is characterized in that when the corresponding scheduling of each time slot
When resource information difference, the scheduling resource information of the multiple time slot includes: the corresponding identical scheduling resource ginseng of multiple time slots
Number information and the corresponding different scheduling resource parameters information of the multiple time slots of N group, wherein N is the number of the multiple time slot.
20. the acquisition methods of scheduling resource described in 8 or 19 according to claim 1, which is characterized in that the scheduling resource parameters
Include:
Modulation /demodulation policing parameter, the Physical Resource Block parameter of distribution, MSG3 transmission power contorl parameters, execute LBT when
It is long.
21. the acquisition methods of scheduling resource according to claim 17, which is characterized in that when the corresponding scheduling of each time slot
When resource information difference, when the scheduling resource information of the multiple time slot includes: the gap information of multiple time slots and corresponds to each
The resource information that gap is distributed.
22. the acquisition methods of scheduling resource according to claim 12, which is characterized in that described to pass through the random access
Response obtains after the scheduling resource information of the multiple time slot further include:
When allowing to send MSG3, according to the scheduling resource information of the multiple time slot, MSG3 at least once is sent.
23. a kind of base station characterized by comprising
First receiving unit, the lead code sent suitable for receiving user terminal；
Determination unit is adapted to determine that the scheduling resource information of multiple time slots；
First indicating unit, suitable for indicating the scheduling resource of the multiple time slot to the user terminal by random access response
Information.
24. base station according to claim 23, which is characterized in that first indicating unit includes:
Subelement is executed, the right to use that LBT obtains idle channel is adapted for carrying out；
It indicates subelement, is suitable for being based on the idle channel, it is described more to user terminal instruction by random access response
The scheduling resource information of a time slot.
25. base station according to claim 23, which is characterized in that the multiple time slot is for continuous multiple time slots or not
Continuous multiple time slots.
26. base station according to claim 25, which is characterized in that when the multiple time slot is continuous multiple time slots,
Further include: the second indicating unit, suitable for indicating the number information of continuous multiple time slots by system message.
27. base station according to claim 25, which is characterized in that when the multiple time slot is discontinuous multiple time slots
When, further includes: third indicating unit, suitable for indicating the relevant information of discontinuous multiple time slots by system message.
28. base station according to claim 27, which is characterized in that the relevant information packet of discontinuous multiple time slots
It includes: the number of time slots letter being spaced between the number information of discontinuous multiple time slots and discontinuous multiple time slots
Breath.
29. base station according to claim 23, which is characterized in that the corresponding scheduling resource information of each time slot it is identical or
It is not identical.
30. base station according to claim 29, which is characterized in that when the corresponding scheduling resource information of each time slot is different
When, the scheduling resource information of the multiple time slot includes: N group scheduling resource parameters information, and wherein N is of the multiple time slot
Number.
31. base station according to claim 29, which is characterized in that when the corresponding scheduling resource information of each time slot is different
When, the scheduling resource information of the multiple time slot includes: that the corresponding identical scheduling resource parameters information of multiple time slots and N group are more
The corresponding different scheduling resource parameters information of a time slot, wherein N is the number of the multiple time slot.
32. the base station according to claim 30 or 31, which is characterized in that the scheduling resource parameters include: modulation /demodulation
Policing parameter, the Physical Resource Block parameter of distribution, the duration of the power contorl parameters of MSG3 transmission, execution LBT.
33. base station according to claim 29, which is characterized in that when the corresponding scheduling resource information of each time slot is different
When, the scheduling resource information of the multiple time slot includes: the gap information of multiple time slots and the biography that corresponding each time slot is distributed
Defeated resource information.
34. a kind of terminal characterized by comprising
Second receiving unit is suitable for receiving random access response, and the random access response includes the scheduling resource of multiple time slots
Information；
First acquisition unit, suitable for obtaining the scheduling resource information of the multiple time slot by the random access response.
35. terminal according to claim 34, which is characterized in that the multiple time slot is for continuous multiple time slots or not
Continuous multiple time slots.
36. terminal according to claim 35, which is characterized in that further include:
Third receiving unit is suitable for receiving system message；
Second acquisition unit, suitable for obtaining the number information of continuous multiple time slots by the system message.
37. terminal according to claim 35, which is characterized in that further include:
Third receiving unit is suitable for receiving system message；
Third acquiring unit, suitable for obtaining the relevant information of discontinuous multiple time slots by the system message.
38. the terminal according to claim 37, which is characterized in that the relevant information packet of discontinuous multiple time slots
It includes: the number of time slots letter being spaced between the number information of discontinuous multiple time slots and discontinuous multiple time slots
Breath.
39. terminal according to claim 34, which is characterized in that the corresponding scheduling resource information of each time slot it is identical or
It is not identical.
40. terminal according to claim 39, which is characterized in that when the corresponding scheduling resource information of each time slot is different
When, the scheduling resource information of the multiple time slot includes: N group scheduling resource parameters information, and wherein N is of the multiple time slot
Number.
41. terminal according to claim 39, which is characterized in that when the corresponding scheduling resource information of each time slot is different
When, the scheduling resource information of the multiple time slot includes: that the corresponding identical scheduling resource parameters information of multiple time slots and N group are more
The corresponding different scheduling resource parameters information of a time slot, wherein N is the number of the multiple time slot.
42. the terminal according to claim 40 or 41, which is characterized in that the scheduling resource parameters include: modulation /demodulation
Policing parameter, the Physical Resource Block parameter of distribution, the duration of the power contorl parameters of MSG3 transmission, execution LBT.
43. terminal according to claim 39, which is characterized in that when the corresponding scheduling resource information of each time slot is different
When, the scheduling resource information of the multiple time slot includes: the gap information of multiple time slots and the biography that corresponding each time slot is distributed
Defeated resource information.
44. terminal according to claim 34, which is characterized in that further include:
Transmission unit, suitable for according to the scheduling resource information of the multiple time slot, sending at least once when allowing to send MSG3
MSG3。
45. a kind of computer readable storage medium, computer readable storage medium is non-volatile memory medium or non-transient deposits
Storage media is stored thereon with computer instruction, which is characterized in that perform claim requires 1 to 11 when the computer instruction is run
Or the step of any one of claim 12 to 22 the method.
46. a kind of base station, including memory and processor, the meter that can be run on the processor is stored on the memory
Calculation machine instruction, which is characterized in that perform claim requires any one of 1 to 11 institute when the processor runs the computer instruction
The step of stating method.
47. a kind of terminal, including memory and processor, the meter that can be run on the processor is stored on the memory
Calculation machine instruction, which is characterized in that perform claim requires any one of 12 to 22 when the processor runs the computer instruction
The step of the method.
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|---|---|---|---|
| CN201810345876.8A CN110392429A (en) | 2018-04-17 | 2018-04-17 | Dispatch instruction and acquisition methods, base station, terminal, the readable medium of resource |
| CN202410867569.1A CN118540801A (en) | 2018-04-17 | 2018-04-17 | Indication and acquisition method of scheduling resources, base station, terminal and readable medium |
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| CN201810345876.8A CN110392429A (en) | 2018-04-17 | 2018-04-17 | Dispatch instruction and acquisition methods, base station, terminal, the readable medium of resource |
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| US20150139175A1 (en) * | 2012-05-11 | 2015-05-21 | Nokia Solutions And Networks Oy | Wireless Communication Scheduling on Shared Spectra |
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| US20150139175A1 (en) * | 2012-05-11 | 2015-05-21 | Nokia Solutions And Networks Oy | Wireless Communication Scheduling on Shared Spectra |
| CN106550396A (en) * | 2015-09-18 | 2017-03-29 | 中兴通讯股份有限公司 | Connection control method and communication node |
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