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Downlink compression mode scheduling method

A technology of compressed mode and scheduling method, applied in digital transmission systems, electrical components, transmission systems, etc., can solve problems such as system transients, transmitter power fluctuations, power spikes, etc., to reduce interference, avoid performance degradation, and reduce power climbs Effect

Inactive Publication Date: 2007-10-17
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] In this way, the downlink SIR target value of the five UEs simultaneously increases the value added by ΔSIRpilot and ΔSIRcoding at the same time, and after the compressed mode frame ends, the SIR target value decreases by the value added by ΔSIRpilot and ΔSIRcoding at the same time. It is said that it will cause short-term large interference, and at the same time, there will also be large power fluctuations for the transmitter, resulting in power spikes, which is not conducive to the stability of system performance and the maximization of efficiency

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Embodiment Construction

[0033] The core idea of ​​the present invention is: by establishing the corresponding relationship between each frame in the TGPL cycle and the number of times the compressed mode has been started in the frame on the network side, when a new UE needs to start the compressed mode, the present invention searches the TGPL cycle for the most The compressed mode of the UE is started first in the frame that satisfies the minimum number of times of starting the compressed mode.

[0034] Fig. 2 is the scheduling flowchart of the compressed mode of the present invention, and concrete working steps are as follows:

[0035] Step 200: When the system is started, establish a corresponding relationship between each frame in the TGPL cycle and the number of times the compressed mode is started in the frame.

[0036] In this step, a database table can be established. The size of the database table is the maximum value of frames in the TGPL cycle. An index in the table corresponds to a frame, ...

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Abstract

The invention discloses a scheduling method for down compression mode, which comprises: building relation between every frame and its started compression mode time in TGPL; when new UE needs to start compression mode, finding the frame earliest satisfied the least started compression mode time to start the compression mode. This invention acts when switching, reduces power ascending as compression mode and system interference, and avoids performance reduction.

Description

technical field [0001] The invention relates to a compression mode processing technology, in particular to a scheduling method of a downlink compression mode. Background technique [0002] In a wideband code division multiple access (WCDMA) system, after the radio network controller (RNC) receives the event measurement report from the user terminal (UE), after the RNC judges that the measurement results meet the conditions for starting the compressed mode, the channel reconfiguration command is used to respectively Send a message to the UE and the base station NodeB to notify them to start the compressed mode, and the message carries the parameter to start the compressed mode; after the UE and the NodeB return a successful response message, the RNC sends a measurement control message to the UE, requiring the UE to measure the signal of different frequency . After the UE successfully switches to the inter-frequency cell, the link of the original cell is deleted, and the comp...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/00H03M7/30
Inventor 谢勇
Owner HUAWEI TECH CO LTD