CN110022568B - Admission control method and device and user equipment - Google Patents
Admission control method and device and user equipment Download PDFInfo
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- CN110022568B CN110022568B CN201810022814.3A CN201810022814A CN110022568B CN 110022568 B CN110022568 B CN 110022568B CN 201810022814 A CN201810022814 A CN 201810022814A CN 110022568 B CN110022568 B CN 110022568B
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- admission control
- access request
- priority
- admission
- timer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
Abstract
The invention provides an admission control method, an admission control device and user equipment. The method comprises the following steps: determining the admission control priority of the access request triggered currently; when an operating admission control timer exists in an admission control timer group, determining the highest admission control priority of the currently operating admission control timer, wherein the admission control timer group is a set of admission control timers which are in one-to-one correspondence with each admission control priority; and carrying out admission control check or rejecting the access request according to the admission control priority of the access request and the highest admission control priority of the currently running admission control timer. The invention can effectively improve the rationality of the admission control mechanism applied to 5G and ensure that the access requests corresponding to each admission level can be processed more fairly.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an admission control method, an admission control device, and user equipment.
Background
According to the existing admission Control Barring (admission Control) mechanism, when an Access request is triggered, the user equipment side needs to perform admission Control Barring (admission Control Barring, checking for short below) on the Access request. Specifically, if the check is passed, the access request is allowed to be sent to the network side; if the check fails, the access request is rejected, and the ue side starts a timer (timer) to record the negative result, and the same access request is rejected during the running of the timer.
However, when a plurality of access requests are rejected at the same time, according to an existing solution, a timer is set for the rejected access requests one by one, but the duration of the timer is affected by a random number, and since different timers operate independently and perform admission limitation independently, a situation that a timer of a low-priority admission class expires first may occur, so that an access request with a low priority is allowed earlier instead, and an existing admission control mechanism is not reasonable and has limitations.
Disclosure of Invention
The admission control method, the device and the user equipment provided by the invention can effectively improve the reasonability of the admission control mechanism applied to 5G and ensure that the access requests corresponding to each admission level can be processed more fairly.
In a first aspect, the present invention provides an admission control method, the method comprising:
determining the admission control priority of the access request triggered currently;
when an operating admission control timer exists in an admission control timer group, determining the highest admission control priority of the currently operating admission control timer, wherein the admission control timer group is a set of admission control timers which are in one-to-one correspondence with each admission control priority;
and carrying out admission control check or rejecting the access request according to the admission control priority of the access request and the highest admission control priority of the currently running admission control timer.
Optionally, the determining the admission control priority of the currently triggered access request includes: and determining the admission control priority of the access request according to the admission grade corresponding to the access request.
Optionally, the determining a highest admission control priority of a currently running admission control timer comprises:
determining the admission control priority of the currently running admission control timer according to the admission grade of the rejected access request for triggering the timer to run;
determining a highest admission control priority of a currently running admission control timer according to a highest admission level of the denied access request.
Optionally, the performing admission control checking or rejecting the access request according to the admission control priority of the access request and the highest admission control priority of the currently running admission control timer includes:
when the admission control priority of the access request is higher than the highest admission control priority of the currently running admission control timer, carrying out admission control check;
rejecting the access request when the admission control priority of the access request is not higher than the highest admission control priority of the currently running admission control timer.
Optionally, when the admission control priority of the access request is higher than the highest admission control priority of the currently running admission control timer, after the performing the admission control check, the method further comprises: and determining whether to allow the access request according to the checking result.
Optionally, the determining whether to allow the access request according to the checking result includes:
allowing the access request when the admission control check passes;
rejecting the access request when the admission control check fails.
Optionally, when the admission control check is not passed, after the rejecting the access request, the method further comprises:
and starting or restarting an admission control timer corresponding to the rejected access request.
In a second aspect, the present invention provides an admission control device, the device comprising:
a first determining unit, configured to determine an admission control priority of a currently triggered access request;
a second determining unit, configured to determine a highest admission control priority of a currently running admission control timer when there is a running admission control timer in an admission control timer group, where the admission control timer group is a set of admission control timers that are in one-to-one correspondence with each admission control priority;
and the first processing unit is used for carrying out admission control check or rejecting the access request according to the admission control priority of the access request and the highest admission control priority of the currently running admission control timer.
Optionally, the first determining unit is configured to determine an admission control priority of the access request according to an admission level corresponding to the access request.
Optionally, the second determining unit includes:
the first determining subunit is used for determining the admission control priority of the currently running admission control timer according to the admission level of the rejected access request which triggers the running of the timer;
and the second determining subunit is used for determining the highest admission control priority of the currently running admission control timer according to the highest admission level of the rejected access request.
Optionally, the admission control unit is configured to perform admission control check when the admission control priority of the access request is higher than the highest admission control priority of the currently running admission control timer;
rejecting the access request when the admission control priority of the access request is not higher than the highest admission control priority of the currently running admission control timer.
Optionally, the apparatus further comprises:
and the second processing unit is used for determining whether to allow the access request according to a check result after the first processing unit performs the admission control check.
Optionally, the second processing unit is configured to allow the access request when the admission control check passes; rejecting the access request when the admission control check fails.
Optionally, the apparatus further comprises:
and the starting unit is used for starting or restarting the admission control timer corresponding to the rejected access request after the second processing unit rejects the access request.
In a third aspect, the present invention provides a user equipment, which includes the above admission control device.
The admission control method, the device and the user equipment provided by the embodiment of the invention determine the admission control priority of the currently triggered access request, determine the highest admission control priority of the currently running admission control timer when the running admission control timer is available, perform admission control check when the admission control priority of the access request is higher than the highest admission control priority of the currently running admission control timer, and reject the access request if the admission control priority of the access request is not higher than the highest admission control priority of the currently running admission control timer. Compared with the prior art, the admission level priority corresponding to the newly triggered access request is compared with the highest admission control priority of the currently running admission control timer, and whether the admission control check operation is executed on the newly triggered access request is reasonably determined, so that the access request corresponding to the admission level with higher priority can be allowed earlier, the rationality of the admission control mechanism applied to 5G is effectively improved, and the access request corresponding to each admission level can be processed more fairly.
Drawings
Fig. 1 is a flowchart of an admission control method according to an embodiment of the present invention;
FIG. 2 is a flow chart of an admission control method according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of an admission control device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention provides an admission control method, which may be applied to the fifth-Generation (5G) mobile communication technology or the mobile communication technology developed later, or may be applied to the existing third-Generation or fourth-Generation mobile communication technology. As shown in fig. 1, the method includes:
s11, determining the admission control priority of the access request triggered currently;
optionally, the determining the admission control priority of the currently triggered access request includes: and determining the admission control priority of the access request according to the admission grade corresponding to the access request.
Different admission classes, which may be prioritized, have different admission control priority attributes. The invention sets a priority for each admission grade, namely each admission grade corresponds to an admission control priority, and the admission control priority of the access request is determined by the admission control priority of the corresponding admission grade.
Optionally, the access request may correspond to one or more admission levels. When the access request corresponds to a plurality of admission levels, one admission level can be selected from the plurality of admission levels as the admission level corresponding to the access request. Specifically, when the access request corresponds to a plurality of admission levels, the admission level with the highest priority in the plurality of admission levels may be selected as the admission level corresponding to the access request.
S12, when there is a running admission control timer in the admission control timer group, determining the highest admission control priority of the current running admission control timer;
optionally, the admission control timer group is a set of admission control timers in one-to-one correspondence with each admission control priority.
The admission control mechanism provides an admission control timer to keep track of denied access requests, and access requests of the same admission control priority are denied during the timer run. The invention provides a plurality of admission control timers for an admission control mechanism, each admission control timer corresponds to the admission control priority of the current service cell one by one, and the admission control priority attribute (the priority of the admission control timer for short) of each admission control timer is set one by one according to each admission control priority defined in the cell or determined according to the admission control priority of a rejected access request which triggers the start of the timer; thus, each cell is provided with a set of admission control timers, the number of admission control timers in a timer set being the same as the admission control priorities defined in the cell, each admission control timer defining a corresponding admission control priority.
Optionally, the determining a highest admission control priority of a currently running admission control timer comprises:
determining the admission control priority of the currently running admission control timer according to the admission grade of the rejected access request for triggering the timer to run;
determining a highest admission control priority of a currently running admission control timer according to a highest admission level of the denied access request.
Specifically, the priority of the admission control timer is determined according to the admission control priority corresponding to the admission level of the rejected access request triggering the operation of the timer, and when a plurality of admission control timers are operated, that is, a plurality of access requests are rejected, the highest admission control priority in the admission level of the rejected access request is taken as the highest admission control priority of the currently operated admission control timer.
Furthermore, the priority of the admission control timer is preset according to the corresponding admission control priority, when a plurality of access requests are rejected, the operation of the admission control timer with the corresponding priority is triggered according to the admission control priority of the rejected access request, and at the moment, the highest priority admission control priority of the currently operated admission control timer can be directly determined.
Based on the above two cases of determining the priority of the admission control timer, when an access request arrives, if any one or more timers are running, it is necessary to determine whether to reject the access request according to the priority of the running timers.
S13, according to the admission control priority of the access request and the highest admission control priority of the currently running admission control timer, carrying out admission control check or rejecting the access request.
Optionally, the performing admission control checking or rejecting the access request according to the admission control priority of the access request and the highest admission control priority of the currently running admission control timer includes:
when the admission control priority of the access request is higher than the highest admission control priority of the currently running admission control timer, carrying out admission control check;
rejecting the access request when the admission control priority of the access request is not higher than the highest admission control priority of the currently running admission control timer.
The highest admission control priority of the admission control timer is determined according to the highest priority of the admission grade corresponding to the rejected access request still in an effective state, so that the subsequent access request with higher priority is not prevented from executing admission control check operation during the running period of the currently running timer; and all new access requests with the priority lower than the highest admission control priority of the admission control timer are rejected, so that the possibility that the low-priority access request is allowed to be accessed earlier than the high-priority access request due to the fact that the timer with the admission level of the low priority may expire first when different timers operate independently is avoided.
Optionally, when the admission control priority of the access request is higher than the highest admission control priority of the currently running admission control timer, after the performing the admission control check, the method further comprises: and determining whether to allow the access request according to the checking result.
In particular, when the admission control check passes, the access request is allowed; rejecting the access request when the admission control check fails.
Optionally, when the admission control check fails, after the rejecting the access request, the method further comprises:
and starting or restarting an admission control timer corresponding to the rejected access request.
Specifically, the started or restarted admission control timer generates a new timer length by using a new random number, and the admission control timer with the highest running priority is the started or restarted admission control timer.
The user equipment adopting the admission control scheme of the embodiment can reasonably determine whether to execute admission control check operation on the newly triggered access request according to the priority of the admission level corresponding to the newly triggered access request and the highest priority of the admission level corresponding to the rejected access request still in the effective state, thereby ensuring that the access request corresponding to the admission level with higher priority can be allowed earlier, effectively improving the rationality of the admission control mechanism applied to 5G, and ensuring that the access requests corresponding to each admission level can be treated more fairly.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, another embodiment accompanied with figures is described in detail below.
Fig. 2 is a flowchart of an admission control method according to another embodiment of the present invention.
When a 5G protocol stack of user equipment receives a new access request, judging whether a timer runs in a current admission control timer group or not, when one or more timers run in the timer group, comparing an admission control priority attribute corresponding to the new access request with a highest admission control priority attribute of the currently running timer, when the admission control priority attribute corresponding to the new access request is higher than the highest admission control priority attribute of the currently running timer, carrying out admission control check again, otherwise, directly rejecting the new access request; if the new access request is subjected to admission control check, determining whether to allow the access according to the result of the admission control check, and allowing the access request when the check result passes, otherwise rejecting the access request and starting or restarting an admission control timer corresponding to the rejected access request.
If no timer is running when a new access request comes, the admission control check (probability detection) is directly carried out, and whether the access is allowed or not is determined according to the detection result.
The admission control method provided by the embodiment of the invention determines the admission control priority of the currently triggered access request, determines the highest admission control priority of the currently running admission control timer when the running admission control timer is available, performs admission control check when the admission control priority of the access request is higher than the highest admission control priority of the currently running admission control timer, and rejects the access request if the admission control priority of the access request is higher than the highest admission control priority of the currently running admission control timer. Compared with the prior art, the admission level priority corresponding to the newly triggered access request is compared with the highest admission control priority of the currently running admission control timer, and whether the admission control check operation is executed on the newly triggered access request is reasonably determined, so that the access request corresponding to the admission level with higher priority can be allowed earlier, the rationality of the admission control mechanism applied to 5G is effectively improved, and the access request corresponding to each admission level can be processed more fairly.
An embodiment of the present invention further provides an admission control device, as shown in fig. 3, where the device includes:
a first determining unit 11, configured to determine an admission control priority of a currently triggered access request;
a second determining unit 12, configured to determine a highest admission control priority of a currently running admission control timer when there is a running admission control timer in an admission control timer group, where the admission control timer group is a set of admission control timers that are in one-to-one correspondence with each admission control priority;
a first processing unit 13, configured to perform admission control check or reject the access request according to the admission control priority of the access request and the highest admission control priority of the currently running admission control timer.
Optionally, the first determining unit 11 is configured to determine an admission control priority of the access request according to an admission level corresponding to the access request.
Optionally, the second determining unit 12 includes:
the first determining subunit is used for determining the admission control priority of the currently running admission control timer according to the admission level of the rejected access request which triggers the running of the timer;
and the second determining subunit is used for determining the highest admission control priority of the currently running admission control timer according to the highest admission level of the rejected access request.
Optionally, the processing unit 13 is configured to perform admission control check when the admission control priority of the access request is higher than the highest admission control priority of the currently running admission control timer;
rejecting the access request when the admission control priority of the access request is not higher than the highest admission control priority of the currently running admission control timer.
Optionally, the apparatus further comprises:
a second processing unit, configured to determine whether to allow the access request according to a check result after the first processing unit 13 performs the admission control check.
In particular, the second processing unit is configured to allow the access request when the admission control check passes; rejecting the access request when the admission control check fails.
Optionally, the apparatus further comprises:
and the starting unit is used for starting or restarting the admission control timer corresponding to the rejected access request after the second processing unit rejects the access request.
The admission control device provided in the embodiment of the present invention determines the admission control priority of the currently triggered access request, determines the highest admission control priority of the currently running admission control timer when there is a running admission control timer, performs admission control check when the admission control priority of the access request is higher than the highest admission control priority of the currently running admission control timer, and rejects the access request otherwise. Compared with the prior art, the admission level priority corresponding to the newly triggered access request is compared with the highest admission control priority of the currently running admission control timer, and whether the admission control check operation is executed on the newly triggered access request is reasonably determined, so that the access request corresponding to the admission level with higher priority can be allowed earlier, the rationality of the admission control mechanism applied to 5G is effectively improved, and the access request corresponding to each admission level can be processed more fairly.
The embodiment of the invention also provides the user equipment, and the user equipment comprises the admission control device.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above may be implemented by a computer program, which may be stored in a computer readable storage medium and executed by a computer to implement the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (11)
1. An admission control method, characterized in that the method comprises:
determining the admission control priority of the access request according to the admission grade of the newly triggered access request;
when at least one operational admission control timer exists in an admission control timer group, taking the highest admission control priority in the admission grade of the rejected access request triggering the at least one admission control timer as the highest admission control priority of the currently operational admission control timer, wherein the admission control timer group is a set of admission control timers in one-to-one correspondence with each admission control priority;
and carrying out admission control check or rejecting the access request according to the admission control priority of the access request and the highest admission control priority of the currently running admission control timer.
2. The method of claim 1, wherein the performing an admission control check or rejecting the access request according to the admission control priority of the access request and a highest admission control priority of a currently running admission control timer comprises:
when the admission control priority of the access request is higher than the highest admission control priority of the currently running admission control timer, carrying out admission control check;
rejecting the access request when the admission control priority of the access request is not higher than the highest admission control priority of the currently running admission control timer.
3. The method of claim 2, wherein when the admission control priority of the access request is higher than the highest admission control priority of a currently running admission control timer, after the performing the admission control check, the method further comprises: and determining whether to allow the access request according to the checking result.
4. The method of claim 3, wherein the determining whether to allow the access request according to the checking result comprises:
allowing the access request when the admission control check passes;
rejecting the access request when the admission control check fails.
5. The method of claim 4, wherein after said rejecting the access request when the admission control check fails, the method further comprises:
and starting or restarting an admission control timer corresponding to the rejected access request.
6. An admission control device, characterized in that the device comprises:
a first determining unit, configured to determine an admission control priority of an access request according to an admission level of the newly triggered access request;
a second determining unit, configured to, when there is at least one running admission control timer in an admission control timer group, use a highest admission control priority in an admission level that triggers a rejected access request of the at least one admission control timer as a highest admission control priority of a currently running admission control timer, where the admission control timer group is a set of admission control timers that are in one-to-one correspondence with each admission control priority;
and the first processing unit is used for carrying out admission control check or rejecting the access request according to the admission control priority of the access request and the highest admission control priority of the currently running admission control timer.
7. The apparatus of claim 6, wherein the first processing unit is configured to perform an admission control check when the admission control priority of the access request is higher than a highest admission control priority of a currently running admission control timer;
rejecting the access request when the admission control priority of the access request is not higher than the highest admission control priority of the currently running admission control timer.
8. The apparatus of claim 7, further comprising:
and the second processing unit is used for determining whether to allow the access request according to a check result after the first processing unit performs the admission control check.
9. The apparatus of claim 8, wherein the second processing unit is configured to allow the access request when the admission control check passes; rejecting the access request when the admission control check fails.
10. The apparatus of claim 9, the apparatus further comprising:
and the starting unit is used for starting or restarting the admission control timer corresponding to the rejected access request after the second processing unit rejects the access request.
11. A user equipment, characterized in that the user equipment comprises an admission control device according to any of claims 6-10.
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| CN201810022814.3A CN110022568B (en) | 2018-01-10 | 2018-01-10 | Admission control method and device and user equipment |
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| CN201810022814.3A CN110022568B (en) | 2018-01-10 | 2018-01-10 | Admission control method and device and user equipment |
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| CN110022568B true CN110022568B (en) | 2022-05-31 |
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| JP2009219076A (en) * | 2008-03-13 | 2009-09-24 | Nec Corp | Gateway router and priority control method of emergency call in ip telephone system |
| US8787159B2 (en) * | 2011-04-14 | 2014-07-22 | Alcatel Lucent | Mechanism for wireless access networks to throttle traffic during congestion |
| CN102547912B (en) * | 2012-01-17 | 2015-08-05 | 电信科学技术研究院 | A kind of connection control method and device |
| CN103857005A (en) * | 2012-12-03 | 2014-06-11 | 电信科学技术研究院 | Access control method and device |
| WO2015133964A1 (en) * | 2014-03-03 | 2015-09-11 | Telefonaktiebolaget L M Ericsson (Publ) | Connection attempt to alternative access upon connection attempt rejection |
| US10701619B2 (en) * | 2015-11-03 | 2020-06-30 | Lg Electronics Inc. | Method and apparatus for controlling an access of a terminal in a wireless communication system |
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