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Reverse power control method and reverse power control device

A technology of reverse power control and power control, which is applied in power management, transmission control/equalization, electrical components, etc., can solve problems such as ignoring system congestion, and achieve the effect of improving system congestion

Active Publication Date: 2013-07-03
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] However, none of the above-mentioned existing reverse power control methods takes into account the current congestion situation of the system, so it is impossible to improve the system congestion situation through reverse power control when the system is severely congested

Method used

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  • Reverse power control method and reverse power control device
  • Reverse power control method and reverse power control device
  • Reverse power control method and reverse power control device

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Embodiment Construction

[0021] Since the existing reverse power control scheme instructs the mobile terminal to adjust the transmission power according to communication quality indicators such as frame error rate, without considering the current congestion situation of the system, it is impossible to improve the system performance when the system is congested through reverse power control. Congestion. The embodiment of the present invention solves the above problems in the prior art by selecting different power control strategies according to the current congestion situation of the system, and instructing the mobile terminal to adjust the transmission power according to the selected power control strategy.

[0022] The main realization principles, specific implementation modes and corresponding beneficial effects that can be achieved of the technical solutions of the embodiments of the present invention will be described in detail below in conjunction with each accompanying drawing.

[0023] like fi...

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Abstract

The invention discloses a reverse power control method and a reverse power control device. When a communication system is seriously congested, the emission power of a mobile terminal is adjusted to improve the congesting situation. The method comprises: according to the current wideband resource use ratio, within the preset wideband resource use ratio range and the corresponding relationship of each congesting level, determining the congesting level of the current band width; in the preset power control strategy corresponding to each congesting level, selecting a power control strategy corresponding to the determined congesting level; and according to the selected power control strategy, indicating the mobile terminal to adjust the emission power.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a reverse power control method and a reverse power control device. Background technique [0002] For various communication systems such as OFDMA and WCDMA, fast and accurate power control is the basic requirement to ensure the performance of the communication system, especially the power control of the uplink is particularly important. If power control is not performed, mobile terminals transmitting with super power It will cause the communication condition of the whole cell to be blocked. Generally, power control can be divided into forward power control (that is, to control the transmission power of the base station) and reverse power control (that is, to control the transmission power of the mobile terminal), where the reverse power control is very important for ensuring system capacity and communication quality, overcoming fading and Issues such as the near-far ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/04H04B7/005
Inventor 鲁绍贵徐艮华
Owner ZTE CORP