CN104902578B - A kind of method and apparatus of cluster priority access - Google Patents
A kind of method and apparatus of cluster priority access Download PDFInfo
- Publication number
- CN104902578B CN104902578B CN201510246356.8A CN201510246356A CN104902578B CN 104902578 B CN104902578 B CN 104902578B CN 201510246356 A CN201510246356 A CN 201510246356A CN 104902578 B CN104902578 B CN 104902578B
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- China
- Prior art keywords
- terminal
- priority
- access
- base station
- cell
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
Abstract
The present invention provides the method and systems of cluster priority access, method includes, the User Priority of the terminal of group system is classified by system, terminal is in random access, by the retention of the EstablishmentCause cell of RRCconnectionRequest, the User Priority of terminal is taken to base station；Base station is when receiving RRCconnectionRequest, it can be in conjunction with the radio resource service condition of this cell, determine whether that the terminal accesses according to the priority of random access terminal, avoid cell after completing radio bearer and establishing, just discovery is due to interface-free resources deficiency, again without seizing permission and can not communicate, the interface-free resources in access procedure are wasted.
Description
Technical field
The present invention relates to the method and apparatus that the communications field more particularly to a kind of cluster priority are accessed.
Background technique
LTE technology defines access reason for public network, and terminal passes through in the random access procedure
The EstablishmentCause cell of RRCconnectionRequest takes base station to, in base station interface-free resources relative deficiency
When, base station can access reason according to EstablishmentCause bring and carry out judging whether to permit access, guarantee in sky
When mouth relative inadequacy of resources, low priority traffice terminal access process is avoided to lead to interface-free resources expense.At any time simultaneously
Guarantee that the terminal of emergency access is timely handled.
In addition, passing through IMSI(International in the case where existing simultaneously private network and public network service in a network
Mobile Subscriber Identification, international mobile subscriber identity) number section distinguishes public network and private network, urgent
In the case of, access net can by forbid public network different business access method, guarantee private network terminal priority.
But specific regulation there have been no for the access priority between colony terminal, and in practical application, group system
Inadequate resource happen occasionally.The terminal of low priority is after entering base station, and discovery interface-free resources are insufficient, and base station is not passed
It is defeated, but signaling process before being transmitted has wasted a large amount of interface-free resources, and is in interface-free resources anxiety
Waste, further increases the degree of scarcity of interface-free resources.
Summary of the invention
The present invention provides a kind of method and apparatus of cluster priority access, for insufficient in interface-free resources in group system
When, it avoids the terminal of low priority from needing after the completion of signaling process, just forbids it using interface-free resources, accessed to save
Interface-free resources spent by signaling process in journey.
To achieve the goals above, the present invention provides a kind of method of cluster priority access, comprising:
The User Priority of the terminal of group system is classified by system；Terminal passes through when carrying out random access
RRCconnectionRequest takes the User Priority of terminal to base station；
Use only retention in the EstablishmentCause cell of RRCconnectionRequest, transmission
The priority of colony terminal access, while transmission of the former public network terminal to priority is not influenced；
Base station carries out access judgement；Base station is when receiving RRCconnectionRequest, not such as cell interface-free resources
Foot, and the priority of the terminal is unsatisfactory for seizing principle, then by replying RRCConnectionReject message for refusing
Exhausted RRC connection is established, and terminal does not initiate access within wait period again.
The User Priority of the terminal of group system is classified by the system, comprising:
The priority is for private network terminal, and the priority divided with public network terminal is mutually indepedent, and terminal cannot
Even if public network terminal is private network terminal again simultaneously.
Only retention in the EstablishmentCause cell using RRCconnectionRequest,
Include:
What the EstablishmentCause cell can state is limited in scope, and cluster private network uses remaining reserved-range
Transmission priority.
The base station carries out access judgement, comprising:
When the radio resource deficiency of cell, judge to be used by access in existing net with the presence or absence of the resource of low priority user
Family is seized, and if any then quasi- user access, and is carried out resource and is seized；Otherwise directly pass through RRCConnectionReject message
Refuse terminal access.
The priority that this method realizes colony terminal seizes principle, while the authentication in terminal access procedure etc. being avoided to flow
The waste of journey bring interface-free resources.
To achieve the goals above, a kind of base station provided by the invention, comprising:
Receiving module, for receiving the information of terminal sending；
Judgment module judges the priority of the terminal of subsequent access in cell radio resource deficiency, and whether
Permit the judgement of access；
Sending module is eated dishes without rice or wine for the interactive information of base station and terminal to be issued to.
The judgment module is used in cell radio resource deficiency, judges the priority of the terminal of subsequent access, and
Whether allowance access judgement, comprising:
Judgment module is only in the high Shi Yunhang of cell radio resource utilization rate, and in cell radio resource, there are usable radio resources
When, it does not run；
Judgment module judges accessing user by the EstablishmentCause cell of RRCconnectionRequest
Priority, and check whether that there are the resources of low priority user to be preempted, judge whether to permit terminal access.
To achieve the goals above, a kind of terminal provided by the invention, comprising:
Sending module, for sending base station for the information of the terminal；
Priority processing module fills in RRCconnectionRequest's for the terminal
The User Priority of EstablishmentCause cell；
Receiving module receives the information that base station issues for the terminal；
Judgment module, the information issued for the terminal according to base station determines to be to continue with to complete random access, or stops
It only accesses, is again introduced into after waiting for a period of time.
The priority processing module fills in RRCconnectionRequest's for the terminal
EstablishmentCause cell User Priority, comprising:
The terminal is filled according to by the priority of oneself into RRCconnectionRequest's
EstablishmentCause cell.
The present invention provides the method and systems of cluster priority access, and method includes, and system is by the terminal of group system
User Priority classification, terminal passes through RRCconnectionRequest's in random access
The retention of EstablishmentCause cell takes the User Priority of terminal to base station；Base station is receiving
It, can be in conjunction with the radio resource service condition of this cell, according to the excellent of random access terminal when RRCconnectionRequest
First grade determines whether that the terminal accesses, and avoids cell after completing radio bearer and establishing, just discovery is due to interface-free resources
Deficiency, and without seizing permission and can not communicate, waste the interface-free resources in the access procedure of part.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the method in base station for cluster priority access that the embodiment of the present invention one provides.
Fig. 2 is a kind of flow diagram of the method in terminal of cluster priority access provided by Embodiment 2 of the present invention.
Fig. 3 is a kind of structural schematic diagram for base station that the embodiment of the present invention three provides.
Fig. 4 is a kind of structural schematic diagram for terminal that the embodiment of the present invention four provides.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.
Embodiment one
Fig. 1 is the embodiment of the present invention one, a kind of flow diagram of the method for cluster priority access in base station.Such as Fig. 1
Shown, this approach includes the following steps.
101, base station receives RRCconnectionRequest；
Wherein, random access trigger process is in 3GPP(3rd Generation Partnership Project, referred to as
Have in 36 serial protocols 3GPP) clearly stipulate that do not repeating herein.
102, the priority in base station parsing EstablishmentCause；
Base station parses terminal user's priority in EstablishmentCause, for private network user, is retained according to it
Value carries out priority judgement.
103, base station judges whether terminal meets access conditions；
If the cell utilization rate of air interface resource is not high, the terminal access cell is directly permitted；If the cell money
Source utilization rate reaches limited target value, then the resource in the existing net of judgement with the presence or absence of low priority user can be robbed by accessing user
It accounts for, if any then quasi- user access；Otherwise enter 104 steps；
The limited target value is the empirical value of the network optimization, can be set by human configuration.
104, terminal access is directly refused by RRCConnectionReject message；
Terminal can't initiate random access again immediately, but wait after receiving RRCConnectionReject
After a period of time, random access can be initiated again just now；Its time waited is that cell is issued by system message, correlative detail
Summarize in 36 serial protocols of 3GPP and be already described, is not repeated herein.
The method of cluster priority access provided in this embodiment, base station is according to user access priority, in random access
In the process, User Priority to is taken in base station, base station by the EstablishmentCause of RRCconnectionRequest
Whether radio resource can be seized according to cell radio resource utilization rate and the user, decide whether to permit terminal access.It keeps away
Terminal is exempted to complete after accessing, the phenomenon that can not being communicated due to resource-constrained, has saved the part in access procedure and eated dishes without rice or wine to provide
Source.
Embodiment two
Fig. 2 is the embodiment of the present invention two, a kind of flow diagram of the method for cluster priority access in terminal.Such as Fig. 2
Shown, this approach includes the following steps.
201, terminal fills in User Priority in RRCconnectionRequest；
The process that terminal initiates random access has described in 36 serial protocols of 3GPP, is not repeated herein；With
In machine access procedure, terminal will be whole by using the EstablishmentCause cell of RRCconnectionRequest message
The User Priority of oneself is held to take base station to.
202, according to authorized transmissions RRCconnectionRequest；
RRCconnectionRequest message is sent to base station by the terminal, if terminal fails to obtain
The authorization of RRCconnectionRequest, then terminal can be by initiating random access after increasing power, therefore again
The authorization message base station of RRCconnectionRequest is bound to issue.This process has been chatted in 36 serial protocols of 3GPP
It states, is not repeated herein.
203, it is handled according to the reply of base station；
If the base station continues that terminal is allowed to complete random access procedure, terminal covers rear continued access according to 3GPP agreement regulation
Enter process；If base station issues RRCConnectionReject, after the terminal waits for a period of time, again attempt to initiate with
Machine access, the time waited obtain from the system message of cell, and the relevant technologies have regulation in 3 gpp, no longer heavy herein
It is multiple.
The method of cluster priority access provided in this embodiment, terminal pass through RRCconnectionRequest's
EstablishmentCause cell takes the priority of oneself to base station, then decides whether to access according to the judgement of base station.
If base station is refused, after terminal waits for a period of time, again attempts to access, increase a possibility that avoiding peak period.
Embodiment three
Fig. 3 is the embodiment of the present invention three, a kind of structural schematic diagram of base station.As shown in figure 3, the base station includes: reception mould
Block 31, judgment module 32, sending module 33.
Receiving module 31 receives the information that terminal is sent for base station, is sent to after the information received is handled pair
The module answered, in the present invention, base station is parsed and initiates random access after receive RRCconnectionRequest message
The priority of user is sent to judgment module 32 by the priority of user.
Judgment module 32 is connect with receiving module 31, judges whether the utilization rate of air interface resource of this cell reaches for base station
To target value, check that the resource in existing net with the presence or absence of low priority user can be seized by accessing user if reaching, if without
RRCConnectionReject information is issued by sending module 33；User is permitted if having accesses cell.
Sending module 33 sends the information for the terminal of being sent to for base station and eats dishes without rice or wine.
In cluster priority cut-in method provided in this embodiment, according to user access priority, in random access procedure
In, User Priority to is taken in base station by the EstablishmentCause of RRCconnectionRequest, base station according to
Whether cell radio resource utilization rate and the user can seize radio resource, decide whether to permit terminal access.It avoids
After terminal completes access, the phenomenon that can not communicating due to resource-constrained, the part interface-free resources in access procedure have been saved.
Example IV
Fig. 4 is the embodiment of the present invention four, a kind of structural schematic diagram of terminal.As shown in figure 4, the terminal includes: priority
Processing module 41, sending module 42, receiving module 43 and judgment module 44.
Priority processing module 41 receives the random access response of base station, in root after initiating random access for terminal
When preparing to send RRCconnectionRequest to base station according to the authorization of base station, in the EstablishmentCause of the message
The User Priority of oneself is filled in cell.
The information that terminal is sent to base station is sent to base station by sending module 42；In the present invention, it has been filled in terminal
After the cell of RRCconnectionRequest, which is sent to base station.
Receiving module 43, for receiving base station or being handed down to some information of terminal by base station；In the present invention, it receives
Terminal reports receiveing the response for base station after RRCconnectionRequest.
Judgment module 44 judges the received result of receiving module 43, if receive the result is that
RRCConnectionReject, terminal then stop this reception, and after stopping a period of time, again attempt to access.Otherwise
Continue to complete the step of random access correlation.
It is preferential that each functional module of terminal provided in this embodiment can be used for executing cluster shown in above-described embodiment two
The terminal process of grade cut-in method, concrete operating principle repeat no more.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (2)
1. a kind of method of cell cluster priority access characterized by comprising
The User Priority of the terminal of group system is classified by system；
Terminal takes the User Priority of terminal to base station when carrying out random access, through RRCconnectionRequest；
Use the reserved-range value in the EstablishmentCause cell of RRCconnectionRequest, transmission trunking
The priority of terminal access, while transmission of the former public network terminal to priority is not influenced；
Base station carries out access judgement, and base station is when receiving RRCconnectionRequest, as cell is eated dishes without rice or wine inadequate resource, and
And the priority of the terminal is unsatisfactory for seizing principle, then by replying RRCConnectionReject message for refusing RRC
Connection is established, and terminal no longer initiates access within wait period；
The priority is for private network terminal, and the priority divided with public network terminal is mutually indepedent, and terminal cannot be simultaneously
It is both public network terminal and private network terminal；
When the radio resource deficiency of cell, judge that the resource in existing net with the presence or absence of low priority user can be robbed by accessing user
It accounts for, is accessed if any the user is then permitted, and carry out resource and seize；Otherwise it is directly refused by RRCConnectionReject message
Exhausted terminal access.
2. method according to claim 1, which is characterized in that base station includes:
Receiving module, for receiving the information of terminal sending；
Judgment module, for judging the priority of the terminal of subsequent access, and whether permit in cell radio resource deficiency
The judgement of access；
Sending module is eated dishes without rice or wine for the interactive information of base station and terminal to be issued to；
Wherein, judgment module is only in the high Shi Yunhang of cell radio resource utilization rate, and in cell radio resource, there are available wireless moneys
When source, do not run；Judgment module judges access by the EstablishmentCause cell of RRCconnectionRequest
User Priority, and check whether that there are the resources of low priority user to be preempted, judge whether to permit terminal access.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510246356.8A CN104902578B (en) | 2015-05-15 | 2015-05-15 | A kind of method and apparatus of cluster priority access |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510246356.8A CN104902578B (en) | 2015-05-15 | 2015-05-15 | A kind of method and apparatus of cluster priority access |
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| Publication Number | Publication Date |
|---|---|
| CN104902578A CN104902578A (en) | 2015-09-09 |
| CN104902578B true CN104902578B (en) | 2019-06-14 |
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| CN201510246356.8A Expired - Fee Related CN104902578B (en) | 2015-05-15 | 2015-05-15 | A kind of method and apparatus of cluster priority access |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114390721A (en) * | 2021-12-30 | 2022-04-22 | 四川大学 | Base station and random access method based on service priority |
| CN114390720A (en) * | 2021-12-30 | 2022-04-22 | 四川大学 | Terminal and random access method based on service priority |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1599472A (en) * | 2003-09-19 | 2005-03-23 | 华为技术有限公司 | Method for priority holding up service channel by group user |
| CN102300156A (en) * | 2010-06-23 | 2011-12-28 | 中兴通讯股份有限公司 | Multimedia broadcast multicast service (MBMS) request method and system |
| CN103313424A (en) * | 2012-03-07 | 2013-09-18 | 电信科学技术研究院 | Method and equipment for UE access control |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101549022B1 (en) * | 2008-11-03 | 2015-09-01 | 엘지전자 주식회사 | A random access method of a user equipment to a base station in a wireless communiaction system supproting uplink and downlink multi carriers |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1599472A (en) * | 2003-09-19 | 2005-03-23 | 华为技术有限公司 | Method for priority holding up service channel by group user |
| CN102300156A (en) * | 2010-06-23 | 2011-12-28 | 中兴通讯股份有限公司 | Multimedia broadcast multicast service (MBMS) request method and system |
| CN103313424A (en) * | 2012-03-07 | 2013-09-18 | 电信科学技术研究院 | Method and equipment for UE access control |
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| CN104902578A (en) | 2015-09-09 |
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