CN106535354B - Mobile terminal random access control method and device - Google Patents
Mobile terminal random access control method and device Download PDFInfo
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- CN106535354B CN106535354B CN201510578434.4A CN201510578434A CN106535354B CN 106535354 B CN106535354 B CN 106535354B CN 201510578434 A CN201510578434 A CN 201510578434A CN 106535354 B CN106535354 B CN 106535354B
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- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 12
- 230000002085 persistent effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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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
- H04W74/0833—Random access procedures, e.g. with 4-step access
- H04W74/0841—Random access procedures, e.g. with 4-step access with collision treatment
- H04W74/085—Random access procedures, e.g. with 4-step access with collision treatment collision avoidance
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/121—Wireless traffic scheduling for groups of terminals or users
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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
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies
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Abstract
A kind of mobile terminal random access control method and device, the control method include: the common E-DCH resource number configured according to network side, are grouped to available signatures sequence, obtain multiple signature groups；When detecting the presence of random access request, labeled as any signature group is selected in not used signature group, any available signatures sequence is selected in the signature group chosen, and be to have used by the flag update of the signature group chosen；Random access trial is carried out using the available signatures sequence chosen, to know whether to be successfully selected common E-DCH resource；When being successfully selected common E-DCH resource, upstream data transmission is carried out in the common E-DCH resource chosen.It, can be to avoid because a plurality of call number, which corresponds to same common E-DCH resource, leads to UE random access failure the problem of using the method and device.
Description
Technical field
The present invention relates to wireless communication field more particularly to a kind of mobile terminal random access control methods and device.
Background technique
3GPP Release 8 introduces enhanced random access channel (Random Access Channel, RACH) function
Can, user terminal (User Equipment, UE) cell forward access channel (Cell Forward Access Channel,
Cell-FACH enhancement type special channel (Enhanced Dedicated Channel, E-DCH)) can be used under state to carry out
The transmission of row data.
In terms of enhanced RACH, network side is configured with Y common E-DCH resource, and in existing protocol, Y maximum can match
It is set to 32.Meanwhile network side is configured with several available signatures sequences, the label that each available signatures sequence is configured in network side
A call number Index is all corresponded in list of file names.UE in the random access procedure, can be according to the configuration of network side, random selection
One available signatures sequence is sent.
In existing protocol, selecting the rule of common E-DCH resource is with Index to Y remainder, i.e. Index%Y.However,
When Index ratio Y is big, i.e., available signature number than common E-DCH resource item number more than when, it may appear that multiple Index are corresponding
Same common E-DCH resource.
As soon as the common E-DCH resource can not distribute to other UE when common E-DCH resource is occupied by some UE.
When the Index that network side is multiple UE configuration is mapped to same common E-DCH resource, only one UE energy is inevitably resulted in
The common E-DCH resource, other UE random access failures are enough used, or even other UE can be allowed to be mistakenly considered the cell and be not suitable for staying
It stays, is the cell for forbidding access.
Summary of the invention
Solution of the embodiment of the present invention is how to avoid leading to UE because a plurality of Index corresponds to same common E-DCH resource
The problem of random access failure.
To solve the above problems, the embodiment of the present invention provides a kind of mobile terminal random access control method, comprising:
According to the common E-DCH resource number that network side configures, available signatures sequence is grouped, multiple signatures are obtained
Group；
When detecting the presence of random access request, any signature group is selected in being labeled as not used signature group,
Any available signatures sequence is selected in the signature group chosen, and is to have used by the flag update of the signature group chosen；
Random access trial is carried out using the available signatures sequence chosen, to know whether to be successfully selected common E-DCH money
Source；
When being successfully selected common E-DCH resource, upstream data transmission is carried out in the common E-DCH resource chosen.
Optionally, the mobile terminal random access control method further include: when the label of all signature groups is to have made
Used time resets to the label of all signature groups unused.
Optionally, the common E-DCH resource number configured according to network side, is grouped available signatures sequence,
It include: by the corresponding call number of the available signatures sequence to the common E-DCH resource number complementation, complementation result is identical
The corresponding available signatures sequence of call number be divided to same signature group.
Optionally, further includes: when selecting the failure of common E-DCH resource, label in the updated is signature
Any signature group is selected in group, any available signatures sequence is selected in the signature group chosen, and again available using what is chosen
Signature sequence carries out random access trial.
Optionally, when detecting the presence of uplink service request, execution is described to be selected in being labeled as not used signature group
Select the operation of any signature group.
The embodiment of the invention also provides a kind of mobile terminal random access control devices, comprising:
Grouped element, the common E-DCH resource for being configured according to network side, is grouped available signatures sequence, obtains
To multiple signature groups；
Selecting unit, for being selected in being labeled as not used signature group when detecting the presence of random access request
Any signature group selects any available signatures sequence in the signature group chosen, and more by the label of the signature group chosen
New is to have used；
Random access unit, for carrying out random access trial using the available signatures sequence chosen, to know whether into
Function selects common E-DCH resource；
Upstream data transmission unit, for when being successfully selected common E-DCH resource, in the common E-DCH resource chosen
Upper progress upstream data transmission.
Optionally, the mobile terminal random access control device further include: reset cell, for when all signature groups
Label is in use, the label of all signature groups is reset to unused.
Optionally, the grouped element is used for: by the corresponding call number of the available signatures sequence to the common E-DCH
The corresponding available signatures sequence of the identical call number of complementation result is divided to same signature group by resource number complementation.
Optionally, the selecting unit is also used to: when selecting the failure of common E-DCH resource, label in the updated be
Any signature group is selected in not used signature group, and any available signatures sequence is selected in the signature group chosen.
Optionally, the selecting unit is used for when detecting the presence of uplink service request, is executed described labeled as not
The operation of any signature group is selected in the signature group used.
Compared with prior art, the technical solution of the embodiment of the present invention has the advantage that
Multiple available signatures sequences are grouped, when detecting the presence of random access request, are labeled as from any one
Any one available signatures sequence is selected to carry out random access trial in not used signature group.When not used signature group is selected
When, it is marked and is revised as having used.Due to being grouped to multiple available signatures group sequences, rather than by a plurality of Index pairs
Answer same common E-DCH resource, thus can to avoid a plurality of Index corresponds to same common E-DCH resource and cause UE with
The problem of machine access failure.
Further, when all signature groups are marked as in use, it is unused that the label of all signature groups is reset to,
So as to ensure that subsequent random access request can choose available signatures sequence.
In addition, being labeled as selecting in not used signature group from another when mobile terminal random access attempts failure
One available signatures sequence carries out random access trial, can access the same E-DCH resource to avoid multiple trial and cause to connect
The case where enter'sing unsuccessfully generation improves the success rate of mobile terminal access.
Detailed description of the invention
Fig. 1 is the flow chart of one of embodiment of the present invention mobile terminal random access control method；
Fig. 2 is the flow chart of another mobile terminal random access control method in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of one of embodiment of the present invention mobile terminal random access control device.
Specific embodiment
In the prior art, as soon as the common E-DCH resource can not divide when common E-DCH resource is occupied by some UE
Other UE of dispensing.When network side, which configures multiple Index, is mapped to same common E-DCH resource, only one is inevitably resulted in
A UE is able to use the common E-DCH resource, and can not distribute to other UE.When the common E-DCH resource is occupied, if its
It, then may continuous several times mistake when his UE has selected multiple Index relevant to the common E-DCH resource to carry out random access
Losing causes UE that can not be accessed in this cell.It can even allow UE to be mistakenly considered the cell to be not suitable for being resident, be one and forbid connecing
The cell entered.
In embodiments of the present invention, multiple available signatures sequences are grouped, when detecting the presence of random access request
When, it is labeled as selecting any one available signatures sequence to carry out random access trial in not used signature group from any one.When not
When the signature group used is selected, is marked and be revised as having used.Due to being grouped to multiple available signatures group sequences, and
It is not a plurality of Index to be corresponded to same common E-DCH resource, therefore the public E- of same can be corresponded to avoid a plurality of Index
DCH resource and the problem of lead to UE random access failure.
It is understandable to enable the above objects, features, and advantages of the embodiment of the present invention to become apparent, it is right with reference to the accompanying drawing
Specific embodiments of the present invention are described in detail.
The embodiment of the invention provides a kind of mobile terminal random access control methods, referring to Fig.1, below by way of specific step
Suddenly it is described in detail.
Step S101 is grouped available signatures sequence, obtains according to the common E-DCH resource number that network side configures
To multiple signature groups.
In practical applications, for UE and network side, enhanced RACH (Enhanced Random Access is being used
Channel, E-RACH) function when, UE and network side must simultaneously support enhanced RACH.Network side configures in system message
Several common E-DCH resources.When UE initiates random access, according to UE in AICH Acquisition Indication Channel (Acquisition
Indication Channel, AICH) on the available signatures sequence index that receives derive the public E- that UE will be used indirectly
DCH resource.
In specific implementation, the system message that UE is issued by reading network side, you can learn that available signatures sequence and public affairs
E-DCH resource list altogether.Available signatures sequence can be grouped according to common E-DCH the Resources list, to obtain multiple label
Name group.
It in embodiments of the present invention, can be using the corresponding call number of available signatures sequence to common E-DCH resource number
Complementation operation is carried out, the corresponding available signatures sequence of the identical call number of complementation result is divided to same signature group, with such
It pushes away, the corresponding available signatures sequence of all signature groups can be obtained.
For example, set the number of available signatures sequence as 16, the range of the corresponding call number Index of available signatures sequence
It is 0~15, common E-DCH resource number is 10, then successively by 0~15 pair of 10 complementation, by the identical available signatures of complementation result
Sequence is divided to same signature group, and available 10 signature groups are followed successively by signature group 0~9.Wherein: being by call number Index
0 and 10 available signatures sequence is divided to signature group 0, and the call number Index available signatures sequence for being 1 and 11 is divided to signature
Group 1, and so on, the call number Index available signatures sequence for being 9 is divided to signature group 9.Available label in each signature group
The number of name sequence can be 1, or 2.
It is understood that in other embodiments of the present invention, there may also be other methods, to available signatures sequence
Column are grouped, and are not repeated herein.
Step S102 detects whether that there are random access requests.
In specific implementation, when detecting mobile terminal, there are when uplink service request, determine that there are random access requests.
When there are random access request, step S103 is executed；Conversely, when random access request is not present, end operation process.
Step S103 is selected in the signature group chosen labeled as any signature group is selected in not used signature group
Any available signatures sequence.
It in specific implementation, can be to all signature group setting flags.The label of setting includes: to have used, be not used.
When signature group is selected, the label of signature group can be to have used；When signature group is not yet selected, the label of signature group can
Think unused.
It can be to select any label in signature group from all labels when detecting the presence of random access request
Name group, selects any available signatures sequence in any signature group chosen.It, can should after choosing available signatures sequence
Choosing signature group flag update is to have used, to indicate that the signature group has been chosen by mobile terminal.
For example, it includes 2~signature group of signature group 7 that current markers, which are not used signature group,.Then detecting the presence of at random
When access request, signature group 7 is selected in 2~signature group of signature group 7, includes available signatures sequence 7 in signature group 7, then chooses
Available signatures sequence 7 executes step S104, and is to have used by the flag update of signature group 7.
In embodiments of the present invention, when mobile terminal is after executing multiple random access operation, it is understood that there may be all
Signature group is marked as used situation, at this point, if detect again mobile terminal there are when random access request, due to
Current all signature groups are marked as having used, and are not present and are labeled as not used signature group, therefore mobile terminal can not
Select signature group.
For above situation, when all signature groups are marked as in use, can be by the label weight of all signature groups
Be set to it is unused so that mobile terminal subsequent there are when random access request, can normally choose signature group.
Step S104 carries out random access trial using the available signatures sequence chosen.
In specific implementation, random access trial can be carried out according to existing agreement.When random access trial and success,
It can be determined that and be successfully selected some common E-DCH resource, step S105 can be executed.
In practical applications, there may also be the scenes that random access attempts failure.When random access attempts failure, meaning
Taste the corresponding common E-DCH resource of available signatures sequence in the signature group currently chosen may be by other mobile terminals
It occupies.In such a case, it is possible to any signature group be selected in being labeled as not used signature group again, then in the label chosen
Any available signatures sequence is selected in name group, and re-execute the steps S104.
For example, the signature group currently selected is signature group 7, available signatures sequence is available signatures sequence 7, and by signature group
7 are labeled as having used.Fail when carrying out random access trial, it is meant that the corresponding common E-DCH resource of available signatures sequence 7
Occupied by other mobile terminals.Therefore, can appoint from being labeled as reselecting in not used 2~signature group of signature group 6
One signature group, and after selecting any available signatures sequence in the signature group chosen, it re-execute the steps S104.
As it can be seen that being labeled as selecting in not used signature group from another when mobile terminal random access attempts failure
One available signatures sequence carries out random access trial, can access the same E-DCH resource to avoid multiple trial and cause to connect
The case where enter'sing unsuccessfully generation, so as to improve the success rate of mobile terminal access uplink.
Step S105 carries out uplink number when being successfully selected common E-DCH resource in the common E-DCH resource chosen
According to transmission.
It in specific implementation, can be according to existing agreement, in the public affairs chosen after being successfully selected common E-DCH resource
Upstream data transmission is carried out in E-DCH resource altogether, to realize that uplink is transmitted.
It can be seen that be grouped to multiple available signatures sequences, when detecting the presence of random access request, from any
A label is that any one available signatures sequence is selected to carry out random access trial in signature group.When not used signature
When group is selected, is marked and be revised as having used.Due to being grouped to multiple available signatures group sequences, rather than will be a plurality of
Index corresponds to same common E-DCH resource, therefore can be to avoid a plurality of Index corresponds to same common E-DCH resource and leads
The problem of causing UE random access failure.
Referring to Fig. 2, the mobile terminal random access control method provided in the above embodiment of the present invention is carried out below real
Example explanation.
Step S201, judges whether UE opens random access control function.
It in embodiments of the present invention, can be in advance in UE using the random access controlling party provided in above-described embodiment
Method, user can choose whether to open random access control function.When UE opens random access control function, step is executed
S202；Otherwise, end operation process.
Step S202 judges the whether successful persistent district UE.When the success persistent district UE, step S203 is executed；Work as UE
Fail persistent district when, end operation process.
Step S203, judges whether cell and UE support enhanced RACH.
Due to the present invention is directed enhanced RACH, only when cell and UE support enhanced RACH, hold
Row step S204；Otherwise, end operation process.
Step S204 is grouped available signatures sequence.
Step S205 detects whether that there are random access requests.
When there are random access request, step S206 is executed；When random access request is not present, end operation stream
Journey.
In embodiments of the present invention, when detecting UE, there are when uplink service request, determine that there are random access requests.
Step S206 is selected in the signature group chosen labeled as any signature group is selected in not used signature group
Any available signatures sequence, and be to have used by the flag update for the signature group chosen.
Step S207 carries out random access trial using the available signatures sequence chosen.
Step S208, judges whether random access trial succeeds.When random access trial and success, judgement is successfully selected public affairs
E-DCH resource altogether executes step S209；When random access attempts failure, it re-execute the steps S206.
Step S209 carries out upstream data transmission in the common E-DCH resource chosen.
Referring to Fig. 3, the embodiment of the invention also provides a kind of mobile terminal random access control devices 30, comprising: grouping
Unit 301, selecting unit 302, random access unit 303 and upstream data transmission unit 304, in which:
Grouped element 301, the common E-DCH resource for being configured according to network side, is grouped available signatures sequence,
Obtain multiple signature groups；
Selecting unit 302, for being selected in being labeled as not used signature group when detecting the presence of random access request
Any signature group is selected, selects any available signatures sequence in the signature group chosen, and by the label of the signature group chosen
It is updated to use；
Random access unit 303, for carrying out random access trial using the available signatures sequence chosen, to know whether
It is successfully selected common E-DCH resource；
Upstream data transmission unit 304, for being provided in the common E-DCH chosen when being successfully selected common E-DCH resource
Upstream data transmission is carried out on source.
In specific implementation, the mobile terminal random access control device 30 further include: reset cell 305, for working as
The label of all signature groups is in use, the label of all signature groups is reset to unused.
In specific implementation, the grouped element 301 can be used for: by the corresponding call number pair of the available signatures sequence
The corresponding available signatures sequence of the identical call number of complementation result is divided to same by the common E-DCH resource number complementation
Signature group.
In specific implementation, the selecting unit 302 can be also used for: when selecting the failure of common E-DCH resource, more
Label after new is that any signature group is selected in signature group, and any available signatures sequence is selected in the signature group chosen
Column.
In specific implementation, the selecting unit 302 can be used for executing institute when detecting the presence of uplink service request
It states labeled as the operation for selecting any signature group in not used signature group.
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 (10)
1. a kind of mobile terminal random access control method characterized by comprising
According to the common E-DCH resource number that network side configures, available signatures sequence is grouped, multiple signature groups are obtained；
When detecting the presence of random access request, labeled as any signature group is selected in not used signature group, choosing
Signature group in select any available signatures sequence, and be to have used by the flag update of the signature group chosen；
Random access trial is carried out using the available signatures sequence chosen, to know whether to be successfully selected common E-DCH resource；
When being successfully selected common E-DCH resource, upstream data transmission is carried out in the common E-DCH resource chosen.
2. mobile terminal random access control method as described in claim 1, which is characterized in that further include: when all signatures
The label of group is in use, the label of all signature groups is reset to unused.
3. mobile terminal random access control method as claimed in claim 2, which is characterized in that described to be configured according to network side
Common E-DCH resource number, available signatures sequence is grouped, comprising: by the corresponding index of the available signatures sequence
Number to the common E-DCH resource number complementation, the corresponding available signatures sequence of the identical call number of complementation result is divided to
Same signature group.
4. mobile terminal random access control method as claimed in claim 2, which is characterized in that further include: it is public when selecting
When E-DCH resource fails, label in the updated is that any signature group is selected in signature group, in the signature group chosen
The middle any available signatures sequence of selection, and random access trial is carried out using the available signatures sequence chosen again.
5. mobile terminal random access control method as claimed in claim 2, which is characterized in that when detecting the presence of upper industry
When business request, execute described labeled as the operation for selecting any signature group in not used signature group.
6. a kind of mobile terminal random access control device characterized by comprising
Grouped element, the common E-DCH resource for being configured according to network side, is grouped available signatures sequence, obtains more
A signature group；
Selecting unit, for being selected in being labeled as not used signature group any when detecting the presence of random access request
Signature group selects any available signatures sequence in the signature group chosen, and is by the flag update of the signature group chosen
It has used；
Random access unit, for carrying out random access trial using the available signatures sequence chosen, to know whether successfully to select
Select common E-DCH resource；
Upstream data transmission unit, it is enterprising in the common E-DCH resource chosen for when being successfully selected common E-DCH resource
Row upstream data is sent.
7. mobile terminal random access control device as claimed in claim 6, which is characterized in that further include: reset cell is used
In being in use, the label of all signature groups is reset to unused when the labels of all signature groups.
8. mobile terminal random access control device as claimed in claim 7, which is characterized in that the grouped element is used for:
By the corresponding call number of the available signatures sequence to the common E-DCH resource number complementation, by the identical rope of complementation result
The corresponding available signatures sequence of quotation marks is divided to same signature group.
9. mobile terminal random access control device as claimed in claim 7, which is characterized in that the selecting unit is also used
In: when selecting the failure of common E-DCH resource, label in the updated is that any signature group is selected in signature group,
Any available signatures sequence is selected in the signature group chosen.
10. mobile terminal random access control device as claimed in claim 7, which is characterized in that the selecting unit is used for
When detecting the presence of uplink service request, execute described labeled as the behaviour for selecting any signature group in not used signature group
Make.
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| EP3886522A4 (en) * | 2018-12-12 | 2021-12-22 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Random access method, terminal device, and access network device |
| CN110839250B (en) * | 2019-11-01 | 2023-02-14 | Oppo（重庆）智能科技有限公司 | GSM random access method and related product |
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