CN108632866A - The processing method of resource occupation conflict and base station - Google Patents
The processing method of resource occupation conflict and base station Download PDFInfo
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- CN108632866A CN108632866A CN201710173703.8A CN201710173703A CN108632866A CN 108632866 A CN108632866 A CN 108632866A CN 201710173703 A CN201710173703 A CN 201710173703A CN 108632866 A CN108632866 A CN 108632866A
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- resource
- default
- resource occupation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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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
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- Computer Networks & Wireless Communication (AREA)
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Abstract
A kind of processing method of resource occupation conflict and base station.The method includes：Detection presets whether the resource occupation collision rate in resource is more than preset threshold value；When upper resource occupation collision rate is more than preset threshold value, all terminals in jurisdiction district use on the predeterminated position before the default resource, resource occupation limitation control information is sent by all terminals of the downlink control message into jurisdiction district, the default resource is used to limit the part terminal in jurisdiction district.Using said program, in soluble existing resource occupancy conflict processing method the problem of serious waste of resources.
Description
Technical field
The present invention relates to fields of communication technology, and in particular to a kind of processing method of resource occupation conflict and base station.
Background technology
In forth generation radio honeycomb network communication system (4G), terminal initiates random access, passes through 4 letters between base station
Interaction is enabled, network is accessed.The process is known as 4 step random access (4-step Random Access) process.
In above-mentioned 4 step random access procedure, synchronization, multiple terminals in the jurisdiction district of base station may use phase
With resource send upstream data to base station, there are resource contentions between multiple terminal.
In order to handle the resource contention between multiple terminals, in 4G, base station can be with the system message of periodic broadcast
(System Information Block, SIB) 2 sends random access limitation (Access Barring, AB) control to terminal
Information, and then the random access of terminal is limited.
However, when AB controls information changes, terminal needs to receive updated system again from next change cycle
System message causes updated AB controls information to need longer time that terminal, waste of radio resources could be notified serious.
Invention content
The problem of what the embodiment of the present invention to be solved is serious waste of resources in existing resource conflict processing method.
To solve the above problems, an embodiment of the present invention provides a kind of processing method of resource occupation conflict, the method
Including：Detection presets whether the resource occupation collision rate in resource is more than preset threshold value；Money in the default resource
When source occupies collision rate more than preset threshold value, all terminals in jurisdiction district use default before the default resource
On position, resource occupation limitation control information is sent by all terminals of the downlink control message into jurisdiction district, with limitation
Part terminal in jurisdiction district uses the default resource.
Optionally, the predeterminated position, including：The terminal is micro- using n-th of subframe before the default resource or n-th
Time slot, wherein n is positive integer.
Optionally, the value of n is default value or is sent to the terminal in advance.
Optionally, described that resource occupation limitation control information is sent to the terminal by downlink control message, including：It is logical
It crosses and presets the public scrambled downlink control messages of RNTI in the public search space transmission resource occupation limitation control information.
Optionally, used resource when the default resource is for 4 step random access.
Optionally, the default resource is following at least one resource：Used resource when for 2 step random access；
Exempt from authorization resources.
Optionally, the resource occupation limitation control information is that AB controls information.
The embodiment of the present invention additionally provides a kind of base station, and the base station includes：Detection unit is adapted to detect in default resource
Resource occupation collision rate whether be more than preset threshold value；Scheduling unit is suitable for rushing when the resource occupation of the default resource
When prominent rate is more than preset threshold value, all terminals in jurisdiction district using on the predeterminated position before the default resource,
Resource occupation limitation control information resources, which are sent, by all terminals of the downlink control message into jurisdiction district occupies limitation control
Information processed uses the default resource to limit the part terminal in jurisdiction district.
Optionally, the scheduling unit is suitable for when n-th of subframe before the terminal is using the default resource or n-th are micro-
The resource occupation limitation control information is sent in gap, wherein n is positive integer.
Optionally, the value of n is default value or is sent to the terminal in advance.
Optionally, the scheduling unit is suitable for by presetting the public scrambled downlink control messages of RNTI in common search sky
Between send resource occupation limitation control information.
Optionally, used resource when the default resource is for 4 step random access.
Optionally, the default resource is following at least one resource：Used resource when for 2 step random access；
Exempt from authorization resources.
Optionally, the resource occupation limitation control information is that AB controls information.
Compared with prior art, the technical solution of the embodiment of the present invention has the following advantages：
Using the above scheme, when the resource occupation collision rate in default resource is more than preset threshold value, by institute
It has jurisdiction on the predeterminated position before all terminals in cell use the default resource, using downlink control message into jurisdiction district
All terminals send resource occupation limitation control information, come limit the part terminal in jurisdiction district use the default money
Source sends resource occupation limitation control information relative to using system message, shorter the time required to downlink control message update,
Therefore can effectively shorten terminal receive resource occupation limitation control information time, reduce the wasting of resources.
Description of the drawings
Fig. 1 is the Signalling exchange schematic diagram in a kind of 4 step random access procedure；
Fig. 2 is a kind of flow chart of the processing method of resource occupation conflict in the embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of base station in the embodiment of the present invention.
Specific implementation mode
Referring to Fig.1, terminal accesses 4G networks by way of 4 step random access, and specific access procedure may include as follows
Step：
Step 11, terminal sends random access lead code to base station；
Step 12, base station sends accidental access response message to terminal；
Step 13, terminal sends wireless heterogeneous networks (Radio Resource Control, RRC) connection to base station and asks
It asks；
Step 14, base station sends RRC connection response messages to terminal.
Through step 11 to step 14,4G networks where base station access by terminal.
In 4G, base station can send multiple system messages such as MIB, SIB1, SIB2 to terminal.When AB controls information becomes
When change, all system messages that base station is sent to terminal can be caused to enter upgrading flow.Instruction terminal is understood from next change in base station
Period receives updated system message again, therefore updated AB controls information needs longer time that could notify end
End, waste of radio resources are serious.
In view of the above-mentioned problems, an embodiment of the present invention provides a kind of processing methods of resource occupation conflict, in default resource
On resource occupation collision rate be more than preset threshold value when, by all terminals in jurisdiction district use the default money
On predeterminated position before source, resource occupation limitation control letter is sent using all terminals of the downlink control message into jurisdiction district
Breath, resource occupation limitation control information, the default resource is used to limit the part terminal in jurisdiction district, therefore can be effective
Shorten the time that terminal receives resource occupation limitation control information, reduces the wasting of resources.
To make the above purposes, features and advantages of the invention more obvious and understandable, below in conjunction with the accompanying drawings to the present invention
Specific embodiment explain in detail.
With reference to Fig. 2, an embodiment of the present invention provides a kind of processing methods of resource occupation conflict, and the method includes as follows
Step：
Step 21, detect whether the resource occupation collision rate preset in resource is more than preset threshold value.
In specific implementation, synchronization, multiple terminals in the jurisdiction district of base station may occupy default resource, lead simultaneously
There are resource occupation conflicts in the default resource of cause.When the resource occupation collision rate in default resource is more than preset threshold value,
The utilization rate of default resource can be caused to decline.
In specific implementation, base station can according in default resource receive data the case where, be in default resource to detect
It is no that there are resource occupation conflicts., can be true for example, if there is energy in base station but when can not decode receiving signal in default resource
Surely there are resource occupation conflicts in default resource.If the data that base station receives in default resource have energy and can be with proper solutions
When code, it may be determined that resource occupation conflict is not present in default resource.
In specific implementation, the default resource can only include a data block, can also include multiple data simultaneously
Block.For example, the default resource can be for resource used in 4 step random access procedures.
In specific implementation, the resource occupation collision rate in the default resource, i.e., current preset resource in statistical significance
On the ratio of the resource that clashes relative to the default resource.It is including 10 time/frequency source blocks with the default resource
Example, if multiple terminals in the jurisdiction district of base station occupy wherein 5 time/frequency source blocks simultaneously, at this point, in the default resource
Resource occupation collision rate is 50%.
In specific implementation, the preset threshold value can be configured according to actual conditions.For example, can according to institute
The business handled in default resource is stated to be configured, for the low business of delay requirement (allow repeatedly retransmit), can be arranged compared with
Lower threshold value can be arranged for the high business of delay requirement in high threshold value.
Step 22, when the resource occupation collision rate in the default resource is more than preset threshold value, administrative small
All terminals in area pass through institute of the downlink control message into jurisdiction district using on the predeterminated position before the default resource
There is terminal to send resource occupation limitation control information, the default resource is used to limit the part terminal in jurisdiction district.
In specific implementation, when there are when resource occupation conflict, being used in terminal described pre- in the default resource
If sending resource occupation limitation control information in n-th of the subframe or n-th of mini-slot (mini-slot) before resource.For example, can
It, can also be described in use to send resource occupation limitation control information in the 2nd subframe before using the default resource
Resource occupation limitation control information is sent on the 3rd mini-slot before default resource, it is specific unrestricted.The embodiment of the present invention
In, a mini-slot refers to data block transmission unit more smaller than chronomere subframe, can be used for the lower business of delay requirement.
In specific implementation, the value of the n can be default value, can also be to be sent to the terminal in advance.Change sentence
It talks about, the transmission location of resource occupation limitation control information can be default value, can also be to inform terminal in advance.For example, institute
The value for stating n can be that base station first passes through system message and is sent to the terminal in advance.
In one embodiment of this invention, preset public radio network temporary identifier (Radio may be used in terminal
Network Temporary Identifier, RNTI) to the downlink control message of carrying resource occupation limitation control information
(Downlink Control Information, DCI) is scrambled, and the downlink control after public search space sends scrambling
Message processed.
In specific implementation, the public RNTI can be all terminals that base station is sent in advance in jurisdiction district
's.The terminal of data to be sent is searched in public search space before the default resource on n subframes or mini-slot public with this
The scrambled DCI of RNTI, if so, then take out the information in DCI and combine the information of itself, such as SIM card class information etc.,
Using corresponding algorithm, determine if that default resource transmission data can be occupied.
In specific implementation, control information is limited by the resource occupation and the use of many algorithms limiting terminal may be used
Default resource, is not restricted specifically, as long as can play the role of alleviating resource occupation conflict.
In another embodiment of the invention, the resource occupation limitation control information can be limited by the data volume of transmission
Terminal processed uses default resource.For example, by the resource occupation limit control information can with limiting terminal transmission data
Amount is forbidden to use default resource more than preset data amount, allows to use when the data volume of transmission is less than or equal to preset data amount
Default resource.
In specific implementation, resource occupation caused by 4 step random access procedures in said program processing 4G can be applied
Conflict.At this point, the default resource can be used resource when for 4 step random access.
In the 5th generation radio honeycomb network communication system (5G), in order to reduce the Signalling exchange between terminal and base station, section
About signal resource may access 5G networks by the way of 2 step random access (2-step Random Access).
Wherein, referring to Fig.1, the process of 2 step random access, i.e. terminal are by the information transmitted in step 11 and 13 by one
Signaling is transmitted, and the information transmitted in step 12 and 14 is transmitted by base station by a signaling, entire random access mistake
The total Signalling exchange twice of journey.
Relative to by the way of 4 step random access, accessed by the way of 2 step random access 5G networks have it is shorter
Time delay, but there are the wastings of resources of bigger when clashing.Therefore, in order to reduce the money in 5G in 2 step random access procedures
Source wastes, and in one embodiment of this invention, can apply money caused by 2 step random access procedures in said program processing 5G
Source occupies conflict, the default resource described at this time used resource when being for 2 step random access.
In 5G, in order to reduce the Signalling exchange between terminal and base station, saving signaling resource may be exempted from using uplink
The mode of (grant-free) is authorized to carry out ascending wireless resource distribution.Relative in 4G using authorize by the way of carry out uplink without
Line resource allocation carries out extending to lower signaling when ascending wireless resource distribution has shorter in such a way that uplink is exempted to authorize
Expense, but there are the wastings of resources of bigger when clashing.Therefore, exempt to carry out by the way of mandate using uplink to reduce in 5G
The wasting of resources in ascending wireless resource assigning process can apply said program to handle 5G in one embodiment of this invention
Middle to exempt from resource occupation conflict caused by licensing process using uplink, the default resource described at this time exempts from mandate money for what is distributed
Source.
In specific implementation, said program applied to 2 step random access procedures in 5G and can also be used uplink simultaneously
The mode for exempting to authorize carries out the process of ascending wireless resource distribution.It is of course also possible to which said program is needed to locate applied to other
The scene of resource occupation conflict, the description being not limited in above-described embodiment are managed, but which kind of scene no matter be applied particularly to, at this
In one embodiment of invention, resource occupation limitation control information can be that AB controls information, i.e., using AB control information as
Resource occupation limitation control information, terminal is limited using default resource.
As shown in the above, the processing method of the resource occupation conflict in the embodiment of the present invention is deposited in default resource
In resource contention, by the terminal using on the predeterminated position before the default resource, using downlink control message to
The terminal sends resource occupation limitation control information, uses the default resource to limit the terminal, can effectively shorten
Terminal receives the time of resource occupation limitation control information, reduces the wasting of resources.
In order to make those skilled in the art more fully understand and realize the present invention, below to the place of above-mentioned resource occupation conflict
The corresponding base station of reason method is described in detail.
With reference to Fig. 3, an embodiment of the present invention provides a kind of base station 30, the base station 30 may include：Detection unit 31 and
Scheduling unit 32.Wherein：
Whether the detection unit 31, the resource occupation collision rate being adapted to detect in default resource are more than preset thresholding
Value；
The scheduling unit 32 is suitable for when the resource occupation collision rate in the default resource being more than preset threshold value
When, all terminals in jurisdiction district are using on the predeterminated position before the default resource, by downlink control message to institute
All terminals having jurisdiction in cell send resource occupation limitation control information resources and occupy limitation control information, to limit jurisdiction district
Interior part terminal uses the default resource.
In one embodiment of this invention, the scheduling unit 32 is suitable in the terminal using before the default resource the
The resource occupation limitation control information is sent in n subframe or the n-th mini-slot, wherein n is positive integer.
In specific implementation, the value of the n is default value or is sent to the terminal in advance.
In one embodiment of this invention, the scheduling unit 32 is suitable for controlling by the default public scrambled downlinks of RNTI
Message sends the resource occupation limitation control information in public search space.
In specific implementation, used resource when the default resource is for 4 step random access.
In specific implementation, used resource when the default resource is for 2 step random access, or to exempt to authorize
Resource used resource and exempts from authorization resources when can also be for 2 step random access simultaneously.
In specific implementation, the resource occupation limitation control information is that AB controls information.
Using the base station 30 in the embodiment of the present invention, there are when resource contention in default resource, described in terminal use
On predeterminated position before default resource, resource occupation limitation is sent to the terminal by downlink control message from scheduling unit 32
Information is controlled, uses the default resource, the terminal that can effectively shorten to receive resource occupation limitation control to limit the terminal
The time of information reduces the wasting of resources.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
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.Any those 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 (14)
1. a kind of processing method of resource occupation conflict, which is characterized in that including：
Detection presets whether the resource occupation collision rate in resource is more than preset threshold value；
When the resource occupation collision rate in the default resource is more than preset threshold value, all terminals in jurisdiction district
Using on the predeterminated position before the default resource, resource is sent by all terminals of the downlink control message into jurisdiction district
Limitation control information is occupied, the default resource is used to limit the part terminal in jurisdiction district.
2. the processing method of resource occupation conflict as described in claim 1, which is characterized in that the predeterminated position, including：
The terminal uses n-th of subframe or n-th of mini-slot before the default resource, wherein n is positive integer.
3. the processing method of resource occupation conflict as claimed in claim 2, which is characterized in that the value of n is default value or pre-
First it is sent to the terminal.
4. the processing method of resource occupation conflict as described in claim 1, which is characterized in that described to pass through downlink control message
Resource occupation limitation control information is sent to the terminal, including：
By presetting the public scrambled downlink control messages of RNTI the resource occupation limitation control is sent in public search space
Information.
5. the processing method of resource occupation conflict as described in claim 1, which is characterized in that the default resource is for 4
Walk used resource when random access.
6. the processing method of resource occupation conflict as described in claim 1, which is characterized in that the default resource be with down toward
A kind of few resource：
Used resource when for 2 step random access；
Exempt from authorization resources.
7. such as the processing method of claim 1~6 any one of them resource occupation conflict, which is characterized in that the resource accounts for
It is that AB controls information with limitation control information.
8. a kind of base station, which is characterized in that including：
Whether detection unit, the resource occupation collision rate being adapted to detect in default resource are more than preset threshold value；
Scheduling unit is suitable for when the resource occupation collision rate in the default resource is more than preset threshold value, administrative small
All terminals in area pass through institute of the downlink control message into jurisdiction district using on the predeterminated position before the default resource
There is terminal to send resource occupation limitation control information resources and occupy limitation control information, to limit the part terminal in jurisdiction district
Use the default resource.
9. base station as claimed in claim 8, which is characterized in that the scheduling unit is suitable for using in the terminal described default
The resource occupation limitation control information is sent on n-th of subframe or the n-th mini-slot, wherein n is positive integer before resource.
10. base station as claimed in claim 9, which is characterized in that the value of n is default value or is sent to the terminal in advance
's.
11. base station as claimed in claim 8, which is characterized in that the scheduling unit is suitable for scrambling by default public RNTI
Downlink control message send resource occupation limitation control information in public search space.
12. base station as claimed in claim 8, which is characterized in that the default resource is for being used when 4 step random access
Resource.
13. base station as claimed in claim 8, which is characterized in that the default resource is following at least one resource：
Used resource when for 2 step random access；
Exempt from authorization resources.
14. the base station as described in claim 8~13 is any, which is characterized in that the resource occupation limitation controls information and is
AB controls information.
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| CN201710173703.8A CN108632866B (en) | 2017-03-22 | 2017-03-22 | Resource occupation conflict processing method and base station |
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| CN201710173703.8A CN108632866B (en) | 2017-03-22 | 2017-03-22 | Resource occupation conflict processing method and base station |
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| CN111385845A (en) * | 2018-12-29 | 2020-07-07 | 电信科学技术研究院有限公司 | Data sending and receiving method, device, terminal and communication equipment |
| WO2020191599A1 (en) * | 2019-03-25 | 2020-10-01 | 北京欧珀通信有限公司 | Communication method, terminal device, and network device |
| WO2020199022A1 (en) * | 2019-03-29 | 2020-10-08 | 富士通株式会社 | Method and apparatus for selecting type of random access |
| WO2021022458A1 (en) * | 2019-08-05 | 2021-02-11 | 北京小米移动软件有限公司 | Search space configuration method and apparatus, random access method and apparatus, and storage medium |
| RU2791244C1 (en) * | 2019-04-30 | 2023-03-06 | Хуавэй Текнолоджиз Ко., Лтд. | Random access method and device |
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| CN108632866B (en) | 2020-10-27 |
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