CN106714317A - Time-frequency resource allocation method and device of random access process - Google Patents
Time-frequency resource allocation method and device of random access process Download PDFInfo
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- CN106714317A CN106714317A CN201710154257.6A CN201710154257A CN106714317A CN 106714317 A CN106714317 A CN 106714317A CN 201710154257 A CN201710154257 A CN 201710154257A CN 106714317 A CN106714317 A CN 106714317A
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- Prior art keywords
- frequency resource
- random access
- unit
- data transmission
- resource allocation
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Classifications
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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
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
Abstract
The invention provides a time-frequency resource allocation method and device of a random access process. The method comprises the following steps: when first UE initiates a random access request command, judging whether idle frequency resources exist, if the idle frequency resources exist, allocating the idle frequency resources to the first UE; if the idle frequency resources do not exist, allocating the frequency resources occupied by second UE to the first UE, wherein the second UE is UE in a business data transmission state, namely in the case of no idle frequency resources, the first UE can occupy the frequency resources of the second UE in the business data transmission state so as to improve the access success rate, and thus the user experience is enhanced.
Description
Technical field
The present invention relates to radio access technology field, more specifically to a kind of running time-frequency resource of random access procedure
Distribution method and device.
Background technology
Random access procedure plays the effect of key in the broadband access system based on TD-LTE technologies, is UE (User
Equipment, user equipment) carry out RRC (Radio Resource Control, wireless heterogeneous networks) connection set up, rebuild,
Unique strategy of switching, the purpose of Stochastic accessing includes：One is UE is obtained upstream time synchronization, two be network side and UE it
Between set up unique terminal identifier.If the UE quantity in business data transmission state is larger in the same time so that wide
Frequency resource with access system is fully occupied, then no idle frequence resource provision will be caused to initiate Stochastic accessing
UE.And then the rate of being successfully accessed is reduced, cause Consumer's Experience poor.
The content of the invention
In view of this, the present invention proposes the distribution method of time frequency resources and device of a kind of random access procedure, is intended to improve and connects
Enter success rate, improve Consumer's Experience.
To achieve these goals, it is proposed that scheme it is as follows：
A kind of frequency resource allocation method of random access procedure, including：
Receive the random access request order of UE initiations；
Idle frequence resource is judged whether, if it is not, then obtaining the frequency resource that the 2nd UE takes, the 2nd UE is
One UE in business data transmission state；
A UE is given by the frequency resource allocation.
Preferably, methods described, also includes：
Judge whether the signaling process that the random access procedure of a UE triggers terminates, if so, then by the frequency
Resource allocation gives the 2nd UE.
Preferably, the 2nd UE, specially：
One service priority in business data transmission state is rudimentary UE, in business data transmission state
The service priority of UE includes rudimentary and senior.
Preferably, before the frequency resource that the 2nd UE takes is obtained, also include：
Judge that whether the 2nd UE's is preempted number of times less than preset times threshold value, if so, then performing the acquisition institute
The step of stating the frequency resource of the 2nd UE, and be preempted number of times and plus 1 described in recording.
A kind of frequency resource allocation device of random access procedure, including：
Receiving unit, for receiving the random access request order that a UE is initiated；
First judging unit, for judging whether idle frequence resource, if it is not, then performing acquiring unit；
The acquiring unit, for obtaining the frequency resource that the 2nd UE takes, the 2nd UE is one and is in business number
According to the UE of transmission state；
First allocation unit, for giving a UE by the frequency resource allocation.
Preferably, described device, also includes：
Whether the second judging unit, the signaling process that the random access procedure for judging a UE triggers terminates,
If so, then performing the second allocation unit；
Second allocation unit, for giving the 2nd UE by the frequency resource allocation.
Preferably, the acquiring unit, specifically for：
The frequency resource of the 2nd UE occupancy is obtained, the 2nd UE is that a business in business data transmission state is excellent
First level is rudimentary UE, and the service priority of the UE in business data transmission state is including rudimentary and senior.
Preferably, described device, also includes：
3rd judging unit, for before the acquiring unit is performed, judging whether the 2nd UE's is preempted number of times
Less than preset times threshold value, if so, then performing the acquiring unit, and recording unit is performed；
The recording unit, described be preempted number of times and plus 1 for recording.
Compared with prior art, technical scheme has advantages below：
Above-mentioned technical proposal provide a kind of random access procedure frequency resource allocation method, when have a UE initiate with
During machine access request order, idle frequence resource is judged whether, if there is idle frequence resource, distribution idle frequence money
A UE is given in source；If not existing idle frequence resource, the frequency resource allocation that the 2nd UE is taken is to a UE, the 2nd UE
One UE in business data transmission state, i.e. a UE of Stochastic accessing, can in the case of no idle frequence resource
To seize the frequency resource of the 2nd UE in business data transmission state.To realize improving the purpose of the rate that is successfully accessed, and then
Reach the effect for improving Consumer's Experience.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of flow chart of the frequency resource allocation method of random access procedure provided in an embodiment of the present invention；
Fig. 2 is the flow chart of the frequency resource allocation method of another random access procedure provided in an embodiment of the present invention；
Fig. 3 is the flow chart of the frequency resource allocation method of another random access procedure provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic diagram of the frequency resource allocation device of random access procedure provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram of the frequency resource allocation device of another random access procedure provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram of the frequency resource allocation device of another random access procedure provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The present embodiment provides a kind of frequency resource allocation method of random access procedure, shown in Figure 1, the method bag
Include：
Step S11：ENB (Evolved Node-B) receives the random access request order that a UE is initiated；
The UE of initiation random access request order is there may be in the same time, in network and in business data transmission
The UE of state.In the present invention, a UE for initiating random access request order is referred to as a UE, and will be in business datum
One UE of transmission state is referred to as the 2nd UE.
Step S12：ENB judges whether idle frequence resource, if so, step S13 is then performed, if it is not, then performing step
Rapid S14.
Step S13：ENB obtains frequency resource allocation to a UE from idle frequence resource.
In the case of available free frequency resource, eNB is that a UE distributes idle frequence resource；
Step S14：ENB obtains the frequency resource that the 2nd UE takes, and the 2nd UE is one and is in business data transmission
The UE of state.
Step S15：The frequency resource allocation that eNB takes the 2nd UE gives a UE.
In the case of no idle frequence resource, eNB is that a UE distributes the frequency resource that the 2nd UE is taking.I.e.
The 2nd UE is controlled to stop business data transmission, a UE carries out Stochastic accessing mistake using the frequency resource that the 2nd UE took originally
Journey.ENB is by the corresponding resource allocation for taking the 2nd UE of random access request order to a UE.
The frequency resource allocation method of the random access procedure that the present embodiment is provided, making a UE of Stochastic accessing is not having
In the case of idle frequence resource, the frequency resource of the 2nd UE in business data transmission state can be seized.To realize carrying
Height is successfully accessed the purpose of rate, and then reaches the effect for improving Consumer's Experience.
The present embodiment also provides the frequency resource allocation method of another random access procedure, shown in Figure 2, the method
Also include after step S15：
Step S16：ENB judges whether the signaling process that the random access procedure of a UE triggers terminates, if so, performing step
Rapid S17, if it is not, then continuing to judge whether the signaling process that the random access procedure of a UE triggers terminates.
According to the configuration of existing 36.311 agreement, logic channel is divided into 0~15, wherein 0,2 respectively correspond to SRB0,
SRB1 and SRB2,3~10 corresponding DRB (data radio bearer, Data Radio Bearer), other are retention.By a UE
The signaling process that triggers of random access procedure in, because the Stochastic accessing initiated is set up in RRC connections, the last item space interface signaling is
The uplink information transmission information (carry and complete instruction) that UE is initiated, is carried on SRB2；Because RRC connection reconstructions or switching initiate with
Machine is accessed, and the last item space interface signaling is that completion message is matched somebody with somebody in the RRC connections that UE is initiated again, is carried on SRB1.
In the method for the present embodiment, eNB recognizes the last item space interface signaling that UE is initiated by logical channel number 1 or 2,
And transmission DRB is recognized by logic channel 3~10.And the upstream or downstream RLC caching situations of the first UE of monitoring, and/or,
Transmission DRB situations, when upstream or downstream PLC (Radio Link Control, radio link layer control protocol) cachings are sky
When number of times reaches preset first threshold value, or when the number of times for transmitting DRB reaches default Second Threshold, it is determined that by the random of a UE
Access procedure triggers signaling process to terminate.Preferably, first threshold is the positive integer more than 5, and Second Threshold is just whole less than 5
Number.
Step S17：First UE acquisition frequencies resource allocation is given the 2nd UE by eNB.
ENB by the corresponding resource allocation for taking the 2nd UE of random access request order to a UE, and from next
Individual radio frames start, setting PCFICH (Physical Control Format Indicator Channel, physical control lattice
Formula indicates channel) in CFI (Control Format Indicatior, control format indicate) be 3, notify a UE and the
Two UE, the ascending resource and downlink resource of current radio frames are used to transmit the signaling friendship that the random access procedure of a UE triggers
Mutual information.Until the signaling process that the random access procedure of a UE triggers terminates, eNB sets CFI as 0, and a UE is seized
Frequency resource return to the 2nd UE being preempted, recover the business data transmission of the 2nd UE.
For the 2nd UE, if parsing CFI is 3, then it represents that the ascending resource and downlink resource quilt of current radio frames
First UE is seized, the business data transmission of pause itself；Until parsing CFI is 0, the business data transmission of recovery itself.
For a UE, if parsing CFI is 3, then it represents that the ascending resource and downlink resource of current radio frames are used
In the Signalling exchange information that the random access procedure of itself triggers is transmitted, random access procedure is carried out；Until parsing CFI is 0,
Exit the frequency resource of occupancy.
I.e. after the signaling process that the random access procedure of a UE triggers terminates, frequency resource is returned to what is be preempted
2nd UE, recovers the business data transmission of the 2nd UE.The 2nd UE being so preempted need not requeue and wait scheduling, and then
Reduce the data transfer delay of the 2nd UE.
The division of priority can also be carried out to the UE in traffic state.Preferably, according to type of service not
It is same to be divided into no priority.When carrying out resource and seizing, it is shared by the 2nd rudimentary UE only to seize service priority to first UE
Resource.Service priority is which rudimentary and senior type of service includes respectively, and those skilled in the art can basis
It is actually needed and freely sets in advance, be i.e. the rudimentary and senior specific division of service priority is not limited in the present invention
It is fixed.
The present embodiment also provides the frequency resource allocation method of another random access procedure, and the method also pre-sets
The maximum tolerance of two UE is preempted number of times, represents that each frequency resource allocation mandate is authorized therebetween to frequency resource release, its quilt
The maximum times of other UE preempting resources.To avoid repeatedly interrupting the business data transmission of same UE, shown in Figure 3, step
S21, S23, S26 are identical with step S11, S13, S15 respectively, and the method includes：
Step S21：ENB (Evolved Node-B) receives the random access request order that a UE is initiated；
Step S22：ENB judges whether idle frequence resource, if so, step S23 is then performed, if it is not, then performing step
Rapid S24.
Step S23：ENB obtains frequency resource allocation to a UE from idle frequence resource.
Step S24：ENB judges whether to be preempted twoth UE of the number of times less than preset times threshold value, if so, then performing
Step S25.
2nd UE is a UE in business data transmission state, or for one in business data transmission state
Service priority is rudimentary UE.
Step S25：ENB obtains the frequency resource of the 2nd UE, and records the number of times that is preempted of the 2nd UE and plus 1.
Step S26：The frequency resource allocation that eNB takes the 2nd UE gives a UE.
The present embodiment also provides a kind of frequency resource allocation device of random access procedure, shown in Figure 4, the device bag
Include：
Receiving unit 11, for receiving the random access request order that a UE is initiated；
First judging unit 12, for judging whether idle frequence resource, if so, then performing first acquisition unit
13, if it is not, then performing acquiring unit 14；
First acquisition unit 13：For obtaining frequency resource allocation from idle frequence resource to a UE.
The acquiring unit 14, for obtaining the frequency resource that the 2nd UE takes, the 2nd UE is one and is in business
The UE of data transmission state.
First allocation unit 15, for for giving a UE by the frequency resource allocation.
The frequency resource allocation device of the random access procedure that the present embodiment is provided, making a UE of Stochastic accessing is not having
In the case of idle frequence resource, the frequency resource of the 2nd UE in business data transmission state can be seized.To realize carrying
Height is successfully accessed the purpose of rate, and then reaches the effect for improving Consumer's Experience.
The present embodiment also provides the frequency resource allocation device of another random access procedure, shown in Figure 5, the device
Also include：
Whether the second judging unit 16, the signaling process that the random access procedure for judging a UE triggers is tied
Beam, if so, then performing the second allocation unit 17；
Second allocation unit 17, for giving the 2nd UE by the frequency resource allocation.
Acquiring unit 14 specifically for：
The frequency resource of the 2nd UE occupancy is obtained, the 2nd UE is that a business in business data transmission state is excellent
First level is rudimentary UE, and the service priority of the UE in business data transmission state is including rudimentary and senior.
The present embodiment also provides the frequency resource allocation device of another random access procedure, shown in Figure 6, the device
Also include：
3rd judging unit 18, for before the acquiring unit 14 is performed, judging that the 2nd UE's is preempted number of times
Whether preset times threshold value is less than, if so, then performing the acquiring unit 14, and performs recording unit 19；
The recording unit 19, described be preempted number of times and plus 1 for recording.
For device embodiment, because it essentially corresponds to embodiment of the method, so related part is referring to method reality
Apply the part explanation of example.Device embodiment described above is only schematical, wherein described as separating component
The unit of explanation can be or may not be physically separate, and the part shown as unit can be or can also
It is not physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Can be according to reality
Selection some or all of module therein is needed to realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not
In the case of paying creative work, you can to understand and implement.
Herein, such as first and second or the like relational terms be used merely to by an entity or operation with it is another
One entity or operation make a distinction, and not necessarily require or imply these entities or there is any this reality between operating
Relation or order.And, term " including ", "comprising" or its any other variant be intended to the bag of nonexcludability
Contain, so that process, method, article or equipment including a series of key elements are not only including those key elements, but also including
Other key elements being not expressly set out, or it is this process, method, article or the intrinsic key element of equipment also to include.
In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including the key element
Process, method, article or equipment in also there is other identical element.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
To the described above of disclosed embodiment of this invention, professional and technical personnel in the field is realized or use this
Invention.Various modifications to these embodiments will be apparent for those skilled in the art, institute herein
The General Principle of definition can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore,
The present invention is not intended to be limited to the embodiments shown herein, and is to fit to special with principles disclosed herein and novelty
The consistent scope most wide of point.
Claims (8)
1. a kind of frequency resource allocation method of random access procedure, it is characterised in that including：
Receive the random access request order of UE initiations；
Idle frequence resource is judged whether, if it is not, then obtaining the frequency resource that the 2nd UE takes, the 2nd UE is one
UE in business data transmission state；
A UE is given by the frequency resource allocation.
2. method according to claim 1, it is characterised in that methods described, also includes：
Judge whether the signaling process that the random access procedure of a UE triggers terminates, if so, then by the frequency resource
Distribute to the 2nd UE.
3. method according to claim 1, it is characterised in that the 2nd UE, specially：
One service priority in business data transmission state is rudimentary UE, the UE's in business data transmission state
Service priority includes rudimentary and senior.
4. the method according to claims 1 to 3 any one, it is characterised in that obtaining the frequency money that the 2nd UE takes
Before source, also include：
Judge that whether the 2nd UE's is preempted number of times less than preset times threshold value, if so, then perform described obtaining described the
The step of frequency resource of two UE, and be preempted number of times and plus 1 described in recording.
5. the frequency resource allocation device of a kind of random access procedure, it is characterised in that including：
Receiving unit, for receiving the random access request order that a UE is initiated；
First judging unit, for judging whether idle frequence resource, if it is not, then performing acquiring unit；
The acquiring unit, for obtaining the frequency resource that the 2nd UE takes, the 2nd UE is one and is passed in business datum
The UE of defeated state；
First allocation unit, for giving a UE by the frequency resource allocation.
6. device according to claim 5, it is characterised in that described device, also includes：
Whether the second judging unit, the signaling process that the random access procedure for judging a UE triggers terminates, if so,
Then perform the second allocation unit；
Second allocation unit, for giving the 2nd UE by the frequency resource allocation.
7. device according to claim 5, it is characterised in that the acquiring unit, specifically for：
The frequency resource of the 2nd UE occupancy is obtained, the 2nd UE is a service priority in business data transmission state
It is rudimentary UE, the service priority of the UE in business data transmission state is including rudimentary and senior.
8. the device according to claim 5~7 any one, it is characterised in that described device, also includes：
3rd judging unit, for before the acquiring unit is performed, judging that the 2nd UE's is preempted whether number of times is less than
Preset times threshold value, if so, then performing the acquiring unit, and performs recording unit；
The recording unit, described be preempted number of times and plus 1 for recording.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710154257.6A CN106714317A (en) | 2017-03-15 | 2017-03-15 | Time-frequency resource allocation method and device of random access process |
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| CN201710154257.6A CN106714317A (en) | 2017-03-15 | 2017-03-15 | Time-frequency resource allocation method and device of random access process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109658723A (en) * | 2019-01-29 | 2019-04-19 | 郑州轻工业学院 | A kind of traffic mobile dispatching method and dispatching platform |
| WO2020029299A1 (en) * | 2018-08-10 | 2020-02-13 | 富士通株式会社 | Data interruption indication method and apparatus thereof, and communication system |
| CN112188500A (en) * | 2019-07-05 | 2021-01-05 | 普天信息技术有限公司 | Dynamic allocation method and device for frequency spectrum resources |
| CN114828159A (en) * | 2022-05-27 | 2022-07-29 | 北京云智软通信息技术有限公司 | Method for configuring base station and using emergency access resource by user equipment |
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| WO2020029299A1 (en) * | 2018-08-10 | 2020-02-13 | 富士通株式会社 | Data interruption indication method and apparatus thereof, and communication system |
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| CN112188500A (en) * | 2019-07-05 | 2021-01-05 | 普天信息技术有限公司 | Dynamic allocation method and device for frequency spectrum resources |
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| CN114828159A (en) * | 2022-05-27 | 2022-07-29 | 北京云智软通信息技术有限公司 | Method for configuring base station and using emergency access resource by user equipment |
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