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Control method and its system for HSDPA data transmission speed rate

A technology of data transmission rate and control method, which is applied in the field of mobile communication network, can solve the problems that the utilization rate of Iub interface transmission resources decreases, the utilization rate of transmission layer bandwidth and the rate of application layer are low, etc. Utilization ratio, effect of utilization ratio improvement

Inactive Publication Date: 2006-11-08
HUAWEI TECH CO LTD
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Problems solved by technology

[0016] In practical applications, the above scheme has the following problems: the bandwidth utilization rate of the transport layer and the rate of the application layer are low under congestion conditions
[0018] For HSDPA users, the data flow control function of the MAC-hs entity can well control the data flow of the MAC-d entity, effectively avoiding the congestion of the Uu interface; but it cannot solve the transmission resource utilization caused by the congestion of the Iub interface falling problem

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  • Control method and its system for HSDPA data transmission speed rate
  • Control method and its system for HSDPA data transmission speed rate
  • Control method and its system for HSDPA data transmission speed rate

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Embodiment Construction

[0054] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0055] In the present invention, on the basis of the data flow control of the Node B MAC-hs entity, the RNC tracks the congestion situation of the current Iub interface by detecting the retransmission rate of the RLC of the AM mode in real time, and if the retransmission rate is too high, then limit the MAC-d The data flow of the entity alleviates the congestion of the Iub interface by reducing the throughput of the MAC-d entity; if the retransmission rate of the RLC in the AM mode returns to normal, then try to increase the data flow of the MAC-d entity. On the premise of ensuring that the data flow control of the Node B MAC-hs entity meets the requirements for data flow, the retransmission rate of the RLC in the AM mode is always controlled within a reasonable ra...

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Abstract

This invention discloses a control method and its system for the transmission rate of HSDPA data to increase the uability of the Iub interface transmission layer bandwidth and the rate of the applied layer of the HSDPA services at the state of congestion, in which, the re-transmission rate of data blocks is tested by the RLC entity to track the congestion situation of the links to regulate the maximum number of the allowed transmitted data blocks in the dispatch period to the MACD based on the change of re-transmission.

Description

technical field [0001] The invention relates to a mobile communication network, in particular to HSDPA data transmission. Background technique [0002] Since the 1980s, cellular mobile communication has met the communication requirements of people's work and life in modern society with its convenience and flexibility, showing a momentum of rapid development. Currently, one of the three major third generation mobile communication (The Third Generation, "3G" for short) systems in the world is Wideband Code Division Multiple Access (WCDMA for short). Among them, High Speed ​​Downlink Packet Access (HSDPA for short) and High Speed ​​Uplink Packet Access (HSUPA for short) are important evolutions of 3G technology. Scheduling and retransmission of data packets in HSDPA and HSUPA are controlled by a base station node (Node B). [0003] Among them, HSDPA, as a downlink high-speed data packet access technology, was introduced into the 3rd Generation Partnership Project (3rd Generat...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00
Inventor 黄凯涛李伽
Owner HUAWEI TECH CO LTD
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