Method and device for determining scheduling priority of terminal

一种调度优先级、优先级的技术，应用在通信领域，能够解决没有考虑到DRX影响、用户QoS恶化、调度结果不合理等问题，达到减小进入睡眠状态的概率、降低丢包率、减小可能性的效果

Active Publication Date: 2011-08-24
NTT DOCOMO INC
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Problems solved by technology

However, since delay-sensitive services have maximum delay constraints (such as figure 2 T6 in ), when the packet waiting time exceeds the maximum delay limit condition T6, the packet will be discarded by the network side, which will lead to an increase in the packet loss rate of the service, and make terminal 2 lose Possibility of re-competing for scheduling opportunities
[0016] From the above analysis, it can be seen that the service scheduling method under DRX in the prior art does not take into account the impact brought by DRX application, so the scheduling result is unreasonable, which may easily lead to the deterioration of user QoS

Method used

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Embodiment Construction

[0053] The present invention integrates the DRX state into the service scheduling, and sets the weight according to the remaining activation time of the terminal, so that the user with a smaller remaining activation time has a larger weight value; according to the weight, the scheduling priority of the terminal is weighted and adjusted. To a certain extent, the scheduling priority of users with a small remaining activation time is improved, thereby reducing the problems of data loss and service quality degradation caused by the terminal entering the sleep state, and making the business scheduling under the disconnected receiving mechanism more reasonable and efficient. The present invention will be further described through specific embodiments below in conjunction with the accompanying drawings.

[0054] Please refer to image 3 , the method for determining the terminal scheduling priority under the discontinuous reception mechanism described in this embodiment, in a service ...

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Abstract

The invention provides a method and a device for determining a scheduling priority of a terminal. In the service scheduling process, the residual activation time of the terminal is taken into consideration, the probability of scheduling the terminal with shorter residual activation time is increased, and the probability of entering a sleep state when the terminal is not scheduled is reduced. By the invention, the terminal with shorter residual activation time is preferentially scheduled to a certain extent, and the probability of entering the sleep state of the terminal is reduced, so that a packet loss rate of time-delay sensitive service caused by exceeding the maximum time-delay constraint is reduced, and the power consumption efficiency of a system is improved.

Description

technical field [0001] The invention relates to a service scheduling technology in the communication field, in particular to a method and device for determining terminal scheduling priority under a discontinuous reception mechanism. Background technique [0002] With the concept of green environmental protection, energy saving and emission reduction gradually gaining popularity, people have higher speed and more colorful services, and at the same time, they put forward further requirements for the battery life of the terminal. Moreover, the continuous development of wireless communication technology, the introduction of various new technologies and the increase of system complexity have also brought severe challenges to the power consumption of terminals. Therefore, an effective method must be found to optimize the energy efficiency of the terminal, and the discontinuous reception (DRX, Discontinuous Reception) mechanism is one of the important ways to optimize the energy ef...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/12H04W76/04
CPCY02B60/50Y02D30/70
Inventor 田辉张平黄波高松涛李兴民郑淑琴朱剑驰佘小明刘柳陈岚
Owner NTT DOCOMO INC
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