Access control method and device

An access control and access request technology, applied in the communication field, can solve problems such as not distinguishing UEs, unable to meet user needs, unable to send, etc.

Active Publication Date: 2012-07-04
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the MM back-off timer does not distinguish whether the UE is configured with low access priority, so even if the UE with low access priority wants to initiate an access request with normal priority, it will also be rejected
At this time, the general NAS level congestion control mechanism on the network side may not have rejected the normal priority MM request, because the UE cannot send the normal priority request, which cannot meet the user's needs

Method used

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Examples

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Embodiment 1

[0036] The time value of the backoff timer is the time value of the specific priority backoff timer used to instruct the terminal to start the specific priority backoff timer for the specific priority access request, and the time value of the specific priority backoff timer The MM Back-off Timer IEI (Back-off Timer Information Element Identifier) ​​of the MM is modified to indicate to the terminal that the time value of the back-off timer is a specific priority back-off timer time value.

[0037] The terminal starts a specific priority backoff timer according to the time value of the specific priority backoff timer;

[0038] The specific priority backoff timer prohibits the terminal from accessing the network through an access request whose priority level is lower than or equal to the specific priority within a set time.

[0039] For example, for a low access priority access request, in the returned rejection message, the time value of the backoff timer is the time value of th...

Embodiment 2

[0048] In the rejection message issued for the access request, there is a backoff timer time value carrying a priority level indication. The priority level indicated by the priority level indication can be the priority level of the access request, or can be set to Priority higher than access requests. After the terminal receives the rejection message, it starts the specified level backoff timer, and the level set in the specified level backoff timer is the priority indicated by the priority level indication; the specified level backoff timer only prohibits the terminal from passing through within the set time. Access requests with a priority lower than or equal to the set level are connected to the network. Specifically, such as image 3 shown, including:

[0049] Step S301, UE configured as low access priority initiates an access request;

[0050] Step S302, the network judges which level of congestion control mechanism is currently used according to the congestion control...

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Abstract

The invention discloses an access control method and device, relating to a communication technology. The method comprises the steps of: after receiving a rejection message returned by a network side, starting a backoff timer, wherein the rejection message carries a backoff level indication; and prohibiting a terminal from accessing a network through an access request with set priority within set time. Because of no rejection of all priorities of access requests, when a user accesses the network according to an access request with a normal priority or access request with higher priority, the accessing can not be prohibited by the backoff timer with lower priority, thus accessing with normal priority can be initiated after the terminal with low access priority is rejected from being accessed.

Description

technical field [0001] The present invention relates to communication technology, in particular to an access control method and device. Background technique [0002] The existing 3GPP (3rd Generation Partnership Project, 3rd Generation Partnership Project) protocol proposes a general NAS (non-access stratum) Mobility Management (MM, mobile management) congestion control mechanism, and proposes that under general network overload conditions , the network can reject any Mobility Management signaling request from UE (User Equipment, user terminal), and carry MM back-off timer (Mobility Management back-off timer, mobile management back-off timer) in the rejection message, UE receives After the MM back-off timer, start the local back-off timer (backoff timer). Before the timer (timer) expires, the UE cannot initiate any non-EMC (emergency service), non-high priority or called service MM ask. At the same time, the network side may save the value of the MM back-off timer. During ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/06
CPCH04W48/06H04W74/0875
Inventor 王胡成
Owner DATANG MOBILE COMM EQUIP CO LTD
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