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Method and device for controlling power consumption of radio frequency remote unit rru

A radio frequency remote unit and power consumption control technology, applied in the field of communication, can solve problems such as reducing RRU power consumption and power supply stray interference

Active Publication Date: 2018-03-27
DATANG MOBILE COMM EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention provides a power consumption control method and device of a radio frequency remote unit RRU to solve the problem that the current RRU power consumption control scheme cannot reduce the power consumption of the RRU while reducing the periodic power spurious interference

Method used

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  • Method and device for controlling power consumption of radio frequency remote unit rru
  • Method and device for controlling power consumption of radio frequency remote unit rru
  • Method and device for controlling power consumption of radio frequency remote unit rru

Examples

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Effect test

Embodiment 1

[0054] RRU includes downlink dedicated modules, these downlink dedicated modules are only used in downlink time slots, and these modules will not be used in uplink time slots, so these downlink dedicated modules can be turned off in uplink time slots, but if only in Turn it off after switching to the uplink time slot, and turn it on after switching to the downlink time slot. Although it can reduce the power consumption of the RRU, because the power consumption changes too fast, it will introduce periodic power supply spurious interference, thus affecting RRU performance. In the embodiment of the present invention, large interference will be introduced when the power consumption changes rapidly. Considering that the power consumption change process is slowed down, that is, a large step change is changed into multiple small steps, which are gradually raised or lowered. The resulting interference is also significantly reduced. According to this idea, the downlink dedicated modul...

Embodiment 2

[0069] In the embodiment of the present invention, the RRU includes downlink dedicated modules that are only used in downlink time slots. These downlink dedicated modules are pre-divided into a plurality of downlink dedicated submodules, and each downlink dedicated submodule is controlled separately, wherein each downlink dedicated All the sub-modules can realize the functions of the downlink dedicated module.

[0070] refer to figure 2 , shows a flow chart of a method for controlling power consumption of an RRU in Embodiment 2. The method may include the steps of:

[0071] Step 201, after switching to the uplink time slot, determine the carrier occupied by the current service, and enable the DDC submodule and the uplink delay buffer submodule corresponding to the occupied carrier.

[0072] In the embodiment of the present invention, the RRU further includes a DUC (Digital Up Converter, digital up conversion) module, a downlink delay buffer module, a digital down conversion...

Embodiment 3

[0098] In the following, the solution of the present invention will be discussed through the third embodiment in a manner of comparison with the prior art.

[0099] refer to image 3 , shows a schematic diagram of controlling RRU power consumption in the prior art. image 3 Among them, the uplink time slot of the RRU corresponds to the ADC (Analog-to-digital converter, analog-to-digital conversion) interface, DDC module, and uplink fiber delay buffer and carrier distribution module; the downlink time slot corresponds to the downlink fiber delay buffer and carrier distribution module, DUC module, carrier combining module, CFR (Crest Factor Reduction, crest factor reduction) module, DPD (digital pre-distortion, digital pre-distortion) module, output protection module and DAC (Digital to analog converter, digital to analog conversion) interface, wherein The CFR module and the DPD module are downlink dedicated modules; the RRU also includes a configurable power control switch, wh...

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Abstract

The invention provides a power consumption control method and device for a remote radio unit (RRU). The power consumption control method for the RRU comprises the steps that when it reaches a first preset time after switching to the uplink time slot is conducted, a data source used for providing data for downlink special sub-modules is switched to a preset internal data source; at least one of the downlink special sub-modules is stopped each time according to a first preset time interval till all the downlink special sub-modules are stopped; after all the downlink sub-modules are closed, the data source used for providing data for the downlink special sub-modules is switched to a BBU data source; when it reaches a second preset time after switching to the uplink time slot is conducted, the data source used for providing data for the downlink special sub-modules is switched to the preset internal data source; at least one of the downlink special sub-modules is started each time according to a second preset time interval till all the downlink special sub-modules are started. According to the power consumption control method for the RRU, on the basis that the power consumption of the RRU is reduced, periodical power supply stray interference is greatly reduced.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a power consumption control method of a radio frequency remote unit RRU and a power consumption control device of a radio frequency remote unit RRU. Background technique [0002] With the development of communication technology, in order to better solve the indoor coverage problem of large venues, a new distributed network coverage mode is proposed, that is, the base station is divided into BBU (Base band Unit, base band unit) and RRU (Radio Remote Unit, radio frequency remote unit), the BBU and the RRU are connected through optical fibers. It centrally places large-capacity macrocell base stations in the central computer room, BBU part is processed centrally, uses optical fiber to pull the radio frequency modules in the base station to RRU, and distributes them at sites determined by network planning, thus saving the need for conventional solutions. A large numbe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/02
CPCH04W52/0206Y02D30/70
Inventor 杨明段滔孙华荣
Owner DATANG MOBILE COMM EQUIP CO LTD
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