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Method and device for determining scheduling priority

A scheduling priority and determination method technology, applied in the field of communication, to achieve the effect of satisfying scheduling fairness

Inactive Publication Date: 2011-01-26
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, the resource scheduling schemes in the prior art cannot meet the requirement of scheduling fairness as much as possible under the premise that the efficiency reaches a certain level.

Method used

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  • Method and device for determining scheduling priority
  • Method and device for determining scheduling priority
  • Method and device for determining scheduling priority

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Embodiment Construction

[0020] The scheduling priority determination scheme proposed by the embodiment of the present invention is to obtain the minimum normalized throughput of the user equipment when the user equipment is scheduled, based on the current normalized throughput of the user equipment and the obtained minimum normalized throughput Throughput, determining an adjustment parameter of the scheduling priority of the user equipment, and adjusting the scheduling priority of the user equipment based on the determined adjustment parameter.

[0021] Although the variable fairness criterion is proposed in IEEE 802.16m, it is applicable to all systems in the field of data communication systems, and provides an effective scale for specific QoS requirements. The goal of the scheduling priority determination scheme proposed by the embodiments of the present invention is to satisfy a certain fairness among users under the premise of ensuring that most users meet the normalized minimum rate (allowing a c...

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Abstract

The invention discloses a method for determining scheduling priority, which comprises the following steps: when user equipment is scheduled, acquiring the minimum normalized throughput of the user equipment; on the basis of the current normalized throughput and the acquired minimum normalized throughput of the user equipment, in a preset relation, determining an adjustment parameter of the scheduling priority of the user equipment, wherein the relation is the relation between the minimum normalized throughput, the current normalized throughput and the adjustment parameter of the scheduling priority; and according to the determined adjustment parameter, adjusting the scheduling priority of the user equipment. Accordingly, the invention also discloses a device for determining the schedulingpriority; and by adopting the proposal of the invention, the requirement on scheduling fairness can be satisfied as much as possible on the premise of satisfying the requirement on the throughput.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a method and device for determining scheduling priority. Background technique [0002] In the wireless communication environment, in order to use the limited wireless resources more efficiently under the heavy load environment, packet scheduling has become an important issue increasingly. In the research of scheduling algorithms, two important factors need to be considered: throughput and fairness. Throughput includes cell throughput and user throughput; fairness can be considered as the result of statistical distribution of channel resources occupied by each user. The basic problem to be solved by packet scheduling is: when the packet traffic flow of multiple users is waiting to be served, reasonable service rules must be determined, and the service sequence and service time of the flow must be arranged to meet the quality of service (QoS, Quality of Service) o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/26H04W72/04H04W28/16
Inventor 黄帆王亚峰杨大成沈晓冬刘光毅
Owner CHINA MOBILE COMM GRP CO LTD
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