A method and device for Iub interface traffic control

A flow control and controller technology, applied in the field of communication, can solve problems such as unfavorable overall system performance, frequent Iub port flow control, CQI feedback jitter, etc., to achieve the effect of ensuring service quality, reducing redundant data of base stations, and controlling waste of resources

Active Publication Date: 2008-02-13
DATANG MOBILE COMM EQUIP CO LTD
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Problems solved by technology

[0011] Although the above-mentioned prior art can quickly react and respond to the rate of the Node B scheduler and shorten the flow control interaction interval, it will cause the flow control between the Iub ports to be too frequent, and both the base station and the RNC will increase the computing burden; The CQI feedback sent has a certain delay and error. In addition, the Iub port flow control will cause jitter to the CQI feedback too fast, which is not conducive to the overall performance of the system.

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  • A method and device for Iub interface traffic control
  • A method and device for Iub interface traffic control
  • A method and device for Iub interface traffic control

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[0048]At present, most of the data services in 3G occur indoors, and the rapid change of channel quality is not an important factor to consider the flow control of the Iub port. Therefore, the present invention provides a simple solution for the flow control of the Iub port, which can simplify RNC and Node. The interaction of capacity control frames between B can also ensure the service quality while considering the terminal channel quality, and can effectively control the waste of resources caused by retransmission, thereby improving the overall performance of the system and reducing the computing burden of the device.

[0049] After adopting HSDPA technology, Node B increases the measurement function of queue bit rate, and this measurement item is used as an important reference item for RNC to manage radio resources. The bit rate measurement mainly measures the air interface bit rate that each queue can provide within the range of 100ms, and the air interface bit rate of each...

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Abstract

The invention provides a method for Iub port flow control, comprising the steps: RNC sends a capacity request frame to the base station every 100ms, and notifies the cache occupancy information of each queue; the base station measures the air interface average transmission rate of each queue every 100ms, and Occupy information, select the size and period of the next 100ms Iub port transmission data block for each queue, and send a capacity allocation frame to the RNC. In addition, the present invention also provides a flow control device, including: a measurement unit, used to measure the average transmission rate of the air interface of each queue every 100ms; Buffer occupancy, allocate the size and period of the Iub port transmission data block of the next 100ms for each priority queue, and send a capacity allocation frame to the RNC. The invention can simplify the flow control of the Iub port, thereby preventing the system processing burden caused by too frequent capacity allocation.

Description

technical field [0001] The invention relates to the field of communication, in particular to a method and device for flow control of an Iub port. Background technique [0002] High Speed ​​Downlink Packet Access (HSDPA, High Speed ​​Downlink Package Access) technology adds a High Speed ​​Downlink Packet Access Media Access Control (MAC-hs, Medium Access Control for HSDPA) entity on the base station (Node B) side, and its main function is to Scheduling of sending data and control of retransmission data. As shown in Figure 1, the MAC-hs entity on the Node B side and the MAC entity (MAC-d, MAC entity handling dedicated channels) on the Radio Network Controller (RNC, Radio Network Controller) side handle dedicated channels through the MAC-d flow For interaction, the MAC-hs entity receives a MAC-d protocol data unit (PDU, Protocol DataUnit) from the MAC-d entity on the RNC side, puts it into the Node B queue buffer, and sends it out. [0003] Based on Node B's MAC-hs, Node B di...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/10H04L12/56H04L29/06H04W28/10H04W28/14H04W92/12
Inventor 佟晓鹏
Owner DATANG MOBILE COMM EQUIP CO LTD
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