Power-regulating method and device

A technology of power and channel power, applied in the field of communication, can solve problems such as different reverse demodulation capabilities and inability to guarantee channel performance, and achieve the effect of improving accuracy and signal transmission quality

Inactive Publication Date: 2011-08-03
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The inventors of the present application have discovered that different carrier sectors under the same access network (Access Network, AN) may have different reverse demodulation capabilities, and have different requirements for terminal transmit power, and different demodulation capabilities in each The power increase or decrease on the sub-channels may also vary. Therefore, the existing power control method, that is, the method of uniformly adjusting the power of each sub-channel, cannot guarantee the performance of each channel.
One possible method is to configure and maintain the reverse power-related parameters and power control-related parameters under all carrier fans, but the terminal can only use one set of function parameter values. For the terminal, how to deal with multiple sets of function parameter values also a problem

Method used

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Embodiment Construction

[0024] In the embodiment of the present invention, the access network can obtain the channel power gain adjustment factors ΔT2P corresponding to each carrier sector in the active set, and select one channel power gain adjustment factor ΔT2P to send to the terminal. The embodiment of the present invention considers that different carrier sectors may have different reverse demodulation capabilities, so ΔT2P is configured for each carrier sector in advance, and an appropriate ΔT2P is selected from the ΔT2P of each carrier sector in the active set to perform power gain Adjusted, and then sent to the terminal to improve the accuracy of power adjustment, thereby improving the quality of signal transmission.

[0025] In this embodiment, a sector under a carrier is called a carrier sector. The configuration and channel environment on each carrier sector may be different. For example, some carrier sectors have a Traffic Channel Interference Cancel (Traffic Channel Interference Cancel, ...

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Abstract

The invention discloses a power-regulating method, which is used for enhancing power-regulating accuracy so as to enhance signal-transmitting quality. The method comprises the following steps that: an access network updates an activity set; the access network acquires respective corresponding channel power gain-regulating factors of each carrier section in an active set in the updated activity set; the access network selects a channel power gain-regulating factor from the respective corresponding channel power gain-regulating factors of each carrier section; the access network regulates power gain according to the selected channel power gain-regulating factor; and the access network sends the regulated power gain to a terminal so as to indicate the terminal to regulate power according to the power gain. The invention also discloses a power-regulating device for realizing the method.

Description

technical field [0001] The invention relates to the communication field, in particular to a method and device for adjusting power. Background technique [0002] In systems supporting Code Division Multiple Access 2000 Evolution Data Optimized (CDMA2000EVDO), especially systems defined by RevA (version A) and RevB (version B), the power control of the reverse traffic channel It consists of open-loop power control and closed-loop power control (including inner and outer loop power control). The power control directly adjusts the power of the pilot channel, and the power of other sub-channels is the power of the pilot channel plus the gain (Traffic to Pilot, T2P) of the corresponding sub-channel relative to the pilot channel. Other sub-channels are as Figure 1A The shown DRCChannel (data rate control channel), DSCChannel (data source control channel), ACKChannel (response channel), RRIChannel (reverse rate indication channel) and AuxiliaryPilotChannel (auxiliary pilot channel...

Claims

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Application Information

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IPC IPC(8): H04W52/04
CPCH04W52/04H04W52/346
Inventor 赵会英
Owner ZTE CORP
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