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High-speed downlink packet access service scheduling method

A technology for accessing services and scheduling methods, applied in digital transmission systems, electrical components, network traffic/resource management, etc., capable of solving problems such as system abnormalities, data loss, and affecting data transmission quality

Inactive Publication Date: 2006-12-27
HUAWEI TECH CO LTD
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AI Technical Summary

Problems solved by technology

The data transmission of HS-DSCH is controlled by NodeB. RNC can only transmit HS-DSCH data after receiving the traffic allocation message from NodeB. However, the traffic control behavior of NodeB is uncertain and depends on its implementation. In this way, NodeB often only allocates traffic according to its own air interface capability or state, without considering the transmission resources of the Iub interface. At some point, the RNC may be requested to send a large amount of data on a large number of HS-DSCHs. If the RNC completely follows the NodeB Sending data in the traffic allocation message may cause data loss due to untimely processing by each data processing unit of RNC, and even affect the data transmission quality of DCH or CCH or even system abnormality

Method used

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Embodiment Construction

[0038]According to different RNC software and hardware architecture characteristics, the HSDPA dispatching unit of RNC can select a suitable control range, such as controlling and dispatching with the Iub interface transmission unit or the HSDPA flow of NodeB as a unit. Here we do not describe the scope of control, but only focus on the method of control.

[0039] The basic control method is the method of pre-distributing traffic. The core idea of ​​the technical solution described in this embodiment is: allocate the distributable traffic of a certain HSDPA scheduling unit within a period of time among each HS-DSCH that needs to send data, here To comprehensively consider the traffic distribution of NodeB and the RNC cache occupancy to obtain the traffic to be allocated of HS-DSCH, the cache occupancy of the RNC includes the resource occupancy of the data processing unit of the RNC and the resource occupancy of the Iub interface transmission unit, during this period Each HS-DS...

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Abstract

The disclosed scheduling method for grouping access business comprises: RNC acquires due-out flow rate on every high-speed lower share channel according to received NodeB flow rate information and occupied buffer, and schedules access business according to due-out and assignable flow rate. This invention can avoid overload for Iub interface and RNC unit, and eliminates the effect to DCH or CCH from burst high-speed HSDPA transmission.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a scheduling method for high-speed downlink packet access services. Background technique [0002] With the rapid development of the third-generation mobile communication technology, the R5 protocol of WCDMA (Wideband Code Division Multiple Access) provides high-speed downlink packet access HSDPA (High Speed ​​Downlink Packet Access:) technology, This technology involves the realization of the RAN (Radio Access Network) side of WCDMA. Using this technology can theoretically increase the downlink data rate of the WCDMA system to about 10Mbps, significantly improve the capacity of the communication system, and can transmit digital TV quality It has great application prospects and is an important technology in the third generation mobile communication technology. Through this technology, users can feel the advantages of the third-generation mobile communication technology. Ther...

Claims

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Application Information

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IPC IPC(8): H04Q7/22H04L12/56H04W28/08H04W72/12
Inventor 邱华楚志远
Owner HUAWEI TECH CO LTD
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