WO2013023498A1

WO2013023498A1 - Base station power-off alarm processing method and device

Info

Publication number: WO2013023498A1
Application number: PCT/CN2012/077935
Authority: WO
Inventors: 吴彬
Original assignee: 中兴通讯股份有限公司
Priority date: 2011-08-15
Filing date: 2012-06-29
Publication date: 2013-02-21
Also published as: CN102264090A

Abstract

A base station power-off alarm processing method and device. The method comprises: when power supply of a radio remote unit (RRU) is abnormal, performing configuration on the RRU according to a preset RRU power-off alarm energy-saving configuration solution, and reporting a power-off alarm message. By means of the above technical solution, when power supply of a base station is abnormal, reporting of a base station power-off alarm can be accomplished reliably and effectively, thereby ensuring that information of wireless communication network management is unobstructed. Meanwhile, the method and device can be implemented without changing existing physical links, thereby reducing the design and production costs of the base station.

Description

Base station power failure alarm processing method and device

Technical field

The present invention relates to a power failure alarm processing method, and in particular, to a base station power failure alarm processing method and apparatus.

Background technique

With the development of communication technology, in the wireless communication, various types of communication networks are constantly updated, from the earliest analog communication network to today's digital communication network, from the second generation of mobile communication systems (2G, Second Generation) worldwide. Mobile communication (GSM, Global System For Mobile Communication) to CDMA2000, W-CDMA, TD-SCDMA of the third generation mobile communication system (3G, Third Generation), and now to the commercial fourth generation mobile communication system (4G, Fourth Generation) Long-term evolution of mobile communication systems (LTE, Long Term Evolution) networks.

The 3G network uses a large number of distributed base station architectures. As shown in Figure 1, a Base Band Unit (BBU) can support the management of multiple Radio Remote Units (RRUs) to complete control and information exchange. A fiber connection is required between the RRU and the RRU, and the base station power supply module provides power support for the RRU. The RRU technology is characterized in that the base station is divided into a near-end machine, that is, a wireless baseband control (Radio Server) and a remote unit, that is, an RRU. The RRU usually performs photoelectric signal conversion, data link establishment, digital-to-analog conversion, and amplification of the radio frequency analog signal. receive.

Since the power supply public network load suddenly increases in a certain period of time, regional temporary power outages or intermittent power outages often occur, which undoubtedly affects the reliability and security of the wireless communication network. In order to avoid such accidents, operators Occurs, usually in the process of building a station, power backup or redundant processing for the site to improve the endurance of the communication system. When a regional power outage or power outage is lost, the RRU needs to report the power failure alarm message in time before the power failure, so that the upper link base station or network management can know the local power supply status in time.

At present, after the RRU system is powered off, the common method is to improve the RRU power output capability and extend the output time of the RRU system power module to ensure that the alarm is reported before the RRU fails. However, the disadvantage of this method is that the system is guaranteed. Reporting the ability of the police to store energy in larger and larger capacitors when designing the power supply, which increases the size, weight and cost of the RRU. Or improve, very unfavorable to the design and construction of base stations for wireless communication systems.

Summary of the invention

The technical problem to be solved by the embodiments of the present invention is to provide a method and a device for the base station power failure alarm processing, which can reliably and efficiently complete the reporting of the base station power failure alarm, and at the same time reduce the design and production cost of the base station.

In order to solve the above technical problem, the following technical solutions are used in the embodiment of the present invention:

A method for processing a power failure alarm of a base station includes: when the power supply of the radio remote unit (RRU) is abnormal, configuring the RRU according to a preset RRU power failure alarm energy saving configuration scheme, and then reporting the power failure alarm message.

Optionally, the preset RRU power-off alarm energy-saving configuration solution includes any one or two of the following modes:

Stop all or part of the task that the RRU is running; or,

The functional unit in the RRU that is not related to the reported power failure alarm message is closed.

Optionally, the step of reporting, by the RRU, the power failure alarm message includes:

The device reports the power failure alarm message by repeating multiple transmissions.

Optionally, the RRU power supply abnormality includes: the RRU primary power supply is powered off and/or the RRU backup power supply has no endurance capability.

A base station power failure alarm processing device, comprising a radio remote unit (RRU) power submodule,

The RRU power-off processing module and the RRU alarm reporting module, where:

The RRU power sub-module is configured to: generate a power-off alarm signal when the RRU power supply is abnormal, and transmit the power-off alarm signal to the RRU power-off processing module;

The RRU power-off processing module is configured to: after receiving the power-off alarm signal, configure the RRU according to a preset RRU power-off alarm configuration scheme, and notify the RRU alarm reporting module to report the power-off Alarm information;

The RRU alarm reporting module is configured to: report the power failure alarm message. Optionally, the preset RRU power-off alarm energy-saving configuration solution includes any one or two of the following modes:

Stop all or part of the task that the RRU is running; or,

Optionally, the RRU alarm reporting module is configured to report the power failure alarm message according to the following manner:

Compared with the related art, after the above technical solution is adopted, when the power supply of the base station is abnormal, the reporting of the base station power failure alarm can be reliably and efficiently performed, and the information of the wireless communication network management is ensured. At the same time, it is possible to implement without changing the existing physical link, thus reducing the design and production cost of the base station. BRIEF abstract

Figure 1 is a diagram of a distributed base station architecture in a 3G network;

2 is a flowchart of a method for a base station power failure alarm processing in an embodiment;

3 is a schematic structural diagram of an apparatus for processing a base station power failure alarm in an embodiment;

Fig. 4 is a schematic diagram showing the structure of an RRU in the embodiment. Preferred embodiment of the invention

In order to make the objects, the technical solutions and the advantages of the present invention more clearly, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the features in the embodiments and the embodiments of the present application may be arbitrarily combined with each other.

Example:

As shown in FIG. 2, this embodiment provides a method for processing a base station power failure alarm, which includes the following steps: S101: The RRU finds that the power supply is abnormal.

RRU power supply abnormality usually includes two situations. One is that the RRU is powered off due to regional accidental power outage or grid maintenance power failure. At this time, the RRU power submodule will generate a power failure alarm signal. Another possibility is that the RRU is powered off. After the backup power supply is enabled, the RRU power sub-module will generate a power-off alarm signal and send it again. In both cases, the BBU reports a power-off alarm message. Backup battery powerless capacity usually means that the backup power supply has no power or the backup power supply is damaged and cannot work normally. That is to say, the RRU power supply abnormality includes the RRU main power supply power failure and/or the RRU backup power supply without the endurance capability.

S102: The RRU performs energy saving configuration on the RRU according to a preset RRU power failure alarm configuration scheme.

The preset RRU power-off alarm configuration scheme can be implemented in software or in a hardware manner. In a specific implementation, the configuration scheme can be: Stop all or part of the task that the RRU is running; or

Disable the function of the RRU that is not related to reporting the power failure alarm message; or

Combine the above two methods;

Further, other methods are not excluded from being applied to the present embodiment as long as they can function to reduce the power consumption of the RRU.

S103: The RRU reports a power failure alarm message.

When the RRU reports a power-off alarm message, it can use the method of repeating multiple transmissions to ensure the reliability of the report of the power-off alarm message.

Correspondingly, as shown in FIG. 3, the embodiment further provides a device for performing power failure alarm processing of a base station, including: an RRU power sub-module, an RRU power-off processing module, and an RRU alarm reporting module, where: the RRU power supply sub- The module is configured to: generate a power failure alarm signal when the RRU power supply is abnormal, and transmit the power failure alarm signal to the RRU power failure processing module;

The abnormality of the RRU power supply includes the power failure of the RRU main power supply and/or the backup power supply of the RRU, and no endurance capability. The RRU power-off processing module is configured to: after receiving the power-off alarm signal, configure the RRU according to a preset RRU power-off alarm energy-saving configuration scheme, and notify the RRU alarm reporting module to report Electrical alarm information;

The RRU power-off processing module completes the preset of the RRU power-off alarm energy-saving configuration scheme by using one or two of the following modes:

Stop all or part of the task that the RRU is running;

Or, disable the function unit in the RRU that is not related to the reported power failure alarm message.

Alternatively, the above two methods are combined, and other methods are not excluded from being applied to the present embodiment as long as the methods can reduce the power consumption of the RRU.

The RRU alarm reporting module is configured to: report a power failure alarm message.

When the RRU alarm reporting module reports the power failure alarm message, the method of repeating multiple transmissions is used.

In the specific implementation, the working process of the base station power failure alarm processing is as follows:

S301: The RRU power supply is abnormal, and the RRU power submodule generates a power failure alarm signal and transmits it to the RRU power failure processing module;

S302: The RRU power-off processing module reads a preset RRU power-off alarm energy saving configuration scheme from the RRU memory, and starts to configure the entire RRU.

As shown in FIG. 4, in addition to the base station power failure alarm processing device, the RRU includes other modules, such as: a power amplification radio frequency module, a power management module, a digital to analog conversion module, an analog to digital conversion module, and a clock control module. These functional modules are configured separately to reduce the energy consumption of the entire system, including the following steps:

S3021: The RRU power-off processing module configures the power amplification radio frequency module, and turns off the radio frequency switch of the RRU;

In this way, the RRU's power amplification transmitter module will not receive the input signal (RF signal) and stop working, which can greatly reduce the overall energy loss of the system.

S3022: The RRU power-off processing module configures the power management module of the RRU;

The power management module manages the power supply of each component in the RRU, and the power management module can control Turn off the power to each device. However, because the power-off alarm message needs to be reported, the power module related to the alarm is not required to be shut down when the power is turned off. For example, the power supply of the RRU power-off processing module and the RRU alarm reporting module cannot be turned off.

S3023: Configuration of the RRU power-off processing module for the digital-to-analog conversion module and the analog-to-digital conversion module; since the power supply source of the digital-to-analog conversion module and the analog-to-digital conversion module and the RRU power-off processing module are the same, the two modules cannot be turned off. Power it to stop it. To this end, the RRU power-down processing module resets the digital-to-analog conversion module and the analog-to-digital conversion module to achieve the purpose of reducing energy consumption.

S3024: The configuration of the clock processing module by the RRU power-off processing module;

The clock processing module manages the clocks of some functional modules in the RRU. The clock processing module can control the clock signals to be no longer sent to some functional modules, so that these functional modules cannot work normally. This is similar to the function of the above power management module. It is to control some function modules to work normally to reduce power consumption, but the premise is that the alarm reporting cannot be affected. For example, the clock control module can no longer issue a clock signal to the digital-to-analog conversion module and the analog-to-digital conversion module, so that the digital-to-analog conversion module and the analog-to-digital conversion module can also not work normally, and can also reduce the energy consumption.

This basically completes the energy-saving configuration of the entire RRU after the power is turned off. The shutdown does not affect the function of reporting the power failure alarm, so that the RRU is in an ultra-low power state, and the alarm information for the RRU is contend for a longer period of time.

S303: The RRU alarm reporting module inserts the power failure alarm message into a fixed subframe in the network protocol, and continuously sends N subframes to the BBU to notify the power failure alarm information.

N can be set as needed, for example, set to 3; it can also be sent until the RRU expires.

Before the RRU fails, the power failure alarm is sent by means of repeated transmission, so that the power failure alarm can be reliably reported. In TD-SCDMA, since the length of one subframe is defined in the network protocol is 5 ms, The power-off alarm signal is transmitted once every 5ms in a fixed position. Therefore, in the TD-SCDMA, the power-off alarm can be reported in the three sub-frames within 15 ms to ensure that the power-off alarm is reliably reported.

The above configuration is only an example. You can also configure one or more of them as needed, or configure other modules to save power. At this point, the RRU completes the power failure alarm after the base station is powered off in a more reliable and low-cost manner. It can be seen from the foregoing embodiment that, in the foregoing embodiment, when the RRU is powered abnormally, the RRU performs energy-saving configuration on the RRU according to the preset RRU power-off alarm energy-saving configuration scheme, and then reports the power-off alarm message. It can ensure the completion of the report of the base station power failure alarm more reliably and efficiently, and ensure the information of the wireless communication network management is smooth. At the same time, it is not necessary to change the existing physical link, which reduces the design and production cost of the base station.

One of ordinary skill in the art will appreciate that all or a portion of the above steps may be accomplished by a program instructing the associated hardware, such as a read-only memory, a magnetic disk, or an optical disk. Alternatively, all or part of the steps of the above embodiments may also be implemented using one or more integrated circuits. Correspondingly, each module/unit in the above embodiment may be implemented in the form of hardware or in the form of a software function module. The invention is not limited to any specific form of combination of hardware and software.

The above description is only a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention. In view of the present invention, various other modifications, equivalents, improvements, etc., should be made without departing from the spirit and scope of the invention. It is included in the scope of protection of the present invention.

Industrial applicability

Compared with the related art, after the above technical solution is adopted, when the power supply of the base station is abnormal, the reporting of the base station power failure alarm can be reliably and efficiently performed, and the information of the wireless communication network management is ensured. At the same time, it is possible to implement without changing the existing physical link, thus reducing the design and production cost of the base station. Therefore, the present invention has strong industrial applicability.

Claims

Claim

A method for processing a base station power failure alarm, comprising:

When the power supply of the remote radio unit (RRU) is abnormal, the RRU is configured according to the preset RRU power-off alarm energy-saving configuration scheme, and then the power-off alarm message is reported.

The base station power failure alarm processing method according to claim 1, wherein the preset RRU power failure alarm energy saving configuration scheme comprises any one or two of the following modes:

Stop all or part of the task that the RRU is running; or,

3. The base station power failure alarm processing method according to claim 1, wherein the step of reporting the power failure alarm message by the RRU comprises:

The base station power failure alarm processing method according to any one of claims 1 to 3, wherein: the RRU power supply abnormality includes an RRU primary power supply power failure and/or a backup power supply of the RRU, and no endurance capability.

A base station power failure alarm processing device, comprising a radio remote unit (RRU) power submodule, an RRU power failure processing module, and an RRU alarm reporting module, wherein:

The RRU alarm reporting module is configured to: report the power failure alarm message.

The base station power failure alarm processing device of claim 5, wherein the preset RRU power failure alarm energy saving configuration scheme comprises any one or two of the following modes:

Stop all or part of the task that the RRU is running; or,

7. The base station power failure alarm processing apparatus according to claim 5, wherein the RRU alarm The reporting module is configured to report the power failure alarm message in the following manner:

The base station power failure alarm processing apparatus according to any one of claims 5-7, wherein: the RRU power supply abnormality includes an RRU primary power supply power failure and/or a backup power supply of the RRU, and no endurance capability.