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Packet scheduling method in broadband CDMA mobile communication system

A wideband code division multiple access, mobile communication system technology, applied in transmission systems, wireless communication, digital transmission systems, etc., can solve the problem of system resources cannot be reasonably allocated and effectively used, and achieves prevention of excessive fluctuation and fairness. Efficient utilization and the effect of improving service quality

Active Publication Date: 2006-12-27
ZTE CORP
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AI Technical Summary

Problems solved by technology

System resources cannot be reasonably allocated and effectively utilized

Method used

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  • Packet scheduling method in broadband CDMA mobile communication system
  • Packet scheduling method in broadband CDMA mobile communication system
  • Packet scheduling method in broadband CDMA mobile communication system

Examples

Experimental program
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Embodiment Construction

[0021] The present invention configures different minimum fair rates for group users of different priorities, so that when the system is congested, a group user can at least allocate resources required by the minimum fair rate. At this time, the speed-up requests of low-speed users are put into the packet scheduling queue for queuing, and the system periodically performs group scheduling. Users with a rate lower than the minimum fair rate can increase the speed, while users whose rate is higher than the minimum fair rate will be decelerated. , the released resources are used to increase the rate of low-speed users, such as figure 1 shown.

[0022] Here, the adjustment of the packet user rate is completed through the radio bearer reconfiguration process of the radio interface, as shown in the attached figure 2 shown. The radio network controller (RNC) sends a "radio bearer reconfiguration" message to the user equipment (UE), and the message includes the transmission format s...

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Abstract

The disclosed grouping scheduling method in broadband SDMA system comprises: (1) configuring corresponding least fair speed for their business PRI, and building grouping schedule sequence; (2) when user requires raising speed, if lack of enough resource, it puts the request to said sequence; (3) periodical scanning the sequence, and slowing the user with current speed larger than opposite least fair speed as the PRI; (4) if the grouping schedule is not empty and there is enough resource, raising speed as user request by their PRI. This invention improves system resource utility.

Description

technical field [0001] The invention relates to a WCDMA (Wideband Code Division Multiple Access) mobile communication system, in particular to a grouping scheduling method in the WCDMA mobile communication system. Background technique [0002] The downlink capacity of the WCDMA system is determined by the downlink transmit power and downlink channelization code resources of the cell. Downlink power and downlink code resources are shared among all users in the cell. The amount of power and channelization codes occupied by a user is determined by its service rate. The higher the service rate, the more power and code resources it occupies. In order to improve the system capacity, it is necessary to reasonably allocate resources among different users according to the user's business attributes, and to reflect fairness as much as possible while improving the system capacity. [0003] In the WCDMA system, services are divided into four categories according to their Qos (Quality ...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/28H04W72/12
Inventor 黄明窦建武
Owner ZTE CORP
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