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Method for classified package dispatching and resource distributing based on service quality

A quality of service and scheduling method technology, applied in the field of resource allocation, can solve the problem that the packet scheduling method is difficult to meet the QoS requirements of different service types, and achieve the effect of reducing the packet loss rate and improving the throughput

Active Publication Date: 2007-02-28
SHANGHAI ULTIMATE POWER COMM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0014] The invention aims to solve the problem that the packet scheduling method in the prior art is difficult to meet the QoS requirements of different service types

Method used

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  • Method for classified package dispatching and resource distributing based on service quality
  • Method for classified package dispatching and resource distributing based on service quality
  • Method for classified package dispatching and resource distributing based on service quality

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Embodiment Construction

[0059] Different types of services carried by the wireless communication system have different QoS requirements according to different delays required by users for the services. Streaming services usually have relatively strict requirements on delay, while interactive and background services have relatively loose requirements on delay. Therefore, the allowable delay of streaming services is smaller than that of interactive and background services. In other words, QoS requirements are characterized by the time delay allowed for packet transmission.

[0060] As mentioned above, the user's packet data packets are located in one or more priority queues, and packet scheduling is performed through the scheduling of the priority queues. Therefore, the allowable delay required by QoS can be reflected by the allowable delay set by the priority queue.

[0061] In order to guarantee the QoS requirement, the packets in the priority queue whose waiting time is close to its allowable delay...

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Abstract

The invention relates to a classified pack distributing method based on service quality. Wherein, it comprises: setting the allowance time delay met the demand of service quality QoS for the priority queue; calculating the distributing weight of each priority queue; said weight is directly rationed with the signal channel quality parameter, and is directly rationed with the waiting time of group data pack in the queue, and is inversed rationed with the allowance time delay of queue; then distributing the group data pack of queue with highest weight. The invention can improve the throughout of region and reduce the pack loss.

Description

technical field [0001] The invention relates to resource allocation in a wireless communication system, in particular to a hierarchical packet scheduling method based on service quality and a resource allocation method using the method. Background technique [0002] In order to increase the transmission rate of downlink data, 3GPP (3rd Generation Partnership Project, third generation partnership organization) Release 5 introduces HSDPA (High Speed ​​Downlink Packet Access, high speed downlink packet access service). Key technologies adopted in HSDPA include fast packet scheduling, Adaptive Modulation Coding (AMC) and Hybrid Automatic Request Response (HARQ). Among them, the fast packet scheduling method will directly affect the throughput of the wireless communication system and the fairness of the provided service among users. [0003] After the introduction of HSDPA, it is necessary to add a MAC-hs entity in the Node B (base station), which is responsible for the rapid sc...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L47/6275
Inventor 秦飞高卓
Owner SHANGHAI ULTIMATE POWER COMM TECH
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