Resource seizing method for long term evolution (LTE) system during service congestion

A technology for long-term evolution and business congestion, applied in network traffic/resource management, wireless communication, access restriction, etc., to avoid time-consuming and improve satisfaction

Active Publication Date: 2011-10-19
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a method for preempting resources when traffic is congested in the Long Term Evolution LTE system, so as to solve the proble

Method used

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  • Resource seizing method for long term evolution (LTE) system during service congestion
  • Resource seizing method for long term evolution (LTE) system during service congestion

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] Assume that a service with preemption capability of downlink admission and rejection is assigned a priority ARP of 3, and the downlink guaranteed bit rate GBR is 256kbps, that is, the downlink access bit rate ABR is 256kbps.

[0060] It is assumed that the service bearers with the preempted attribute have been accessed:

[0061] A service with ARP of 5 and downlink GBR of 128kbps, hereinafter referred to as ARP5GBR128;

[0062] A service with ARP of 6 and downlink GBR of 64kbps, hereinafter referred to as ARP6GBR64;

[0063] A service with ARP of 7 and downlink GBR of 32kbps, hereinafter referred to as ARP7GBR32;

[0064] A service with ARP of 8 and downlink GBR of 32kbps, hereinafter referred to as ARP8GBR32;

[0065] A service with an ARP of 9 and a downlink GBR of 128kbps, hereinafter referred to as ARP9GBR128;

[0066] An NGBR service with ARP of 7 and downlink PBR of 64kbps, hereinafter referred to as ARP7NGBR64;

[0067] An NGBR service with ARP of 8 and downl...

Embodiment 2

[0076] Assuming that a service with preemption capability accepts and rejects the downlink service, its allocation and maintenance priority ARP is 8, and the downlink GBR is 512kbps, that is, the downlink ABR is 512kbps.

[0077] It is assumed that the service bearers with the preempted attribute have been accessed:

[0078] A service with ARP of 6 and downlink GBR of 64kbps, hereinafter referred to as ARP6GBR64;

[0079] A service with ARP of 7 and downlink GBR of 32kbps, hereinafter referred to as ARP7GBR32;

[0080] An NGBR service with an ARP of 9 and a downlink PBR of 64kbps, hereinafter referred to as ARP9NGBR64;

[0081] A service with ARP of 10 and downlink GBR of 128kbps, hereinafter referred to as ARP10GBR128;

[0082] An NGBR service with an ARP of 11 and a downlink PBR of 32kbps, hereinafter referred to as ARP11NGBR32;

[0083] An NGBR service with an ARP of 12 and a downlink PBR of 16 kbps, hereinafter referred to as ARP12NGBR16.

[0084] Step 201: Sort the ac...

Embodiment 3

[0090] Assuming that a service with preemption capability is accepted and rejected by the upstream, its allocation and maintenance priority ARP is 3, and the upstream guaranteed bit rate GBR is 256kbps, that is, the upstream access bit rate ABR is 256kbps.

[0091] It is assumed that the service bearers with the preempted attribute have been accessed:

[0092] A service with an ARP of 5 and an uplink GBR of 128kbps, hereinafter referred to as ARP5GBR128;

[0093] A service with an ARP of 6 and an uplink GBR of 64kbps, hereinafter referred to as ARP6GBR64;

[0094] A service with an ARP of 7 and an uplink GBR of 32kbps, hereinafter referred to as ARP7GBR32;

[0095] A service with an ARP of 8 and an uplink GBR of 32kbps, hereinafter referred to as ARP8GBR32;

[0096] A service with an ARP of 9 and an uplink GBR of 16kbps, hereinafter referred to as ARP9GBR16;

[0097] An NGBR service with an ARP of 7 and an upstream PBR of 64kbps, hereinafter referred to as ARP7NGBR64;

[0...

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PUM

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Abstract

The invention discloses a resource seizing method for a long term evolution (LTE) system during service congestion, comprising the following steps: determining 'a seizing service', 'a seized service queue' and 'candidate services' which are distributed with the priority lower than that of the seizing service in the seized service queue; and selecting m candidate services in the seized service queue, wherein, the accumulated sum of available bit rate (ABR) of the m candidate services is larger than the ABR of the seizing service in the acceptation and refusing directions of the seizing service, while the accumulated sum of the ABR of m-1 candidate services is smaller or equal to the ABR of the seizing service; if the m candidate services exist, performing forced release processing on the m selected candidate services, accepting the seized service to finish the seizing process; and if the m candidate services do not exist, determining that the seizing is failed, and putting the seizing service into a failure acceptation list. By utilizing the method, the services with high access bit rate and low priority can be selectively released, thus ensuring to seize the high-priority services accessed by the user.

Description

technical field [0001] The present invention relates to the technical field of mobile communication, in particular to a method for resource preemption when service congestion occurs in a Long Term Evolution (Long Term Evolution) system. Background technique [0002] In hotspot areas where the LTE system is applied, a large number of users will access the system in a short period of time when there are events such as major gatherings or competitions, and the resource occupation of the system will increase rapidly. Accept rejection. From the perspective of operators, they hope to provide differentiated services to users of different levels. When such congestion occurs, they hope to ensure that high-priority users can still access the system for communication through technical means. [0003] Under the condition of limited resources, if a service is to be re-accessed, it can only be accessed through resource preemption, that is, a high-priority user preempts the resources of a...

Claims

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Application Information

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IPC IPC(8): H04W28/02H04W28/24H04W48/06
Inventor 程浩
Owner ZTE CORP
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