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Power adjustment method and device

A power adjustment and transmission power technology, applied in the field of power adjustment methods and devices, can solve the problems of reduced scheduling flexibility of base stations, and achieve the effect of improving scheduling flexibility

Active Publication Date: 2011-05-18
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the above prior art sets the same fixed retransmission rate for all scheduled terminals, which reduces the scheduling flexibility of the base station

Method used

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  • Power adjustment method and device

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Embodiment Construction

[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0019] figure 1 It is a schematic flow chart of the power adjustment method provided in Embodiment 1 of the present invention, as shown in figure 1 As shown, the power adjustment method in this embodiment may include the following steps:

[0020] Step 101. Obtain the channel quality parameters of the currently scheduled terminals in the cell;

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Abstract

The embodiment of the invention provides a power adjustment method and a device. The method comprises acquiring the channel quality parameter of a terminal currently dispatched in a district; acquiring the retransmission rate corresponding to the channel quality parameter according to the corresponding relation between the channel quality parameter and the retransmission rate; and adjusting the downlink transmission power of the terminal according to the retransmission rate. According to the embodiment of the invention, the power adjustment method can adjust the downlink transmission power of the terminal according to the above steps, thereby improving the base station dispatching flexibility.

Description

technical field [0001] Embodiments of the present invention relate to communication technologies, and in particular to a power adjustment method and device. Background technique [0002] In the High Speed ​​Downlink Packages Access (HSDPA for short) network, the base station transmits the downlink of the currently scheduled terminal according to the preset retransmission rate of the Hybrid Automatic Repeat reQuest (HARQ for short). Power is adjusted. When the block error rate (Block Error Rate, BLER for short) of the terminal is greater than the preset retransmission rate, the downlink transmission power of the terminal can be increased, that is, the High Speed ​​Physical Downlink Shared Channel (HSPDSCH for short) The transmit power of the terminal can be reduced until the BLER of the terminal converges to the above retransmission rate; when the BLER of the terminal is lower than the preset retransmission rate, the downlink transmit power of the terminal can be reduced unt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/14H04W52/24
Inventor 孙强蔡建恒李浩
Owner HUAWEI TECH CO LTD
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