CN117015004A - Energy saving method and device for base station and non-volatile computer readable storage medium - Google Patents

Energy saving method and device for base station and non-volatile computer readable storage medium Download PDF

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Publication number
CN117015004A
CN117015004A CN202210450952.8A CN202210450952A CN117015004A CN 117015004 A CN117015004 A CN 117015004A CN 202210450952 A CN202210450952 A CN 202210450952A CN 117015004 A CN117015004 A CN 117015004A
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network
energy
saving
current
index
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尹航
王静
朱剑驰
蒋峥
佘小明
陈鹏
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
    • H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The disclosure relates to an energy saving method and device of a base station and a nonvolatile computer readable storage medium, and relates to the technical field of communication. The energy saving method of the base station comprises the following steps: according to different values of network parameters, determining a plurality of energy-saving modes, wherein the network parameters comprise at least one of related parameters of symbol turn-off, related parameters of transmitting power and related parameters of an antenna channel; determining a current energy-saving mode from a plurality of energy-saving modes according to the service condition of the current network; and carrying out energy-saving processing of the base station according to the current energy-saving mode. The technical scheme of the disclosure can improve the efficiency of network energy efficiency adjustment.

Description

Energy saving method and device for base station and non-volatile computer readable storage medium
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to an energy saving method of a base station, an energy saving device of the base station, and a non-volatile computer readable storage medium.
Background
According to the current network distribution condition, the energy consumption of a single base station of the 5G network can reach more than 3 times of that of LTE (Long Term Evolution ).
Moreover, as the 5G network frequency spectrum is higher, the coverage of a single station is reduced in a large scale, the density of stations is higher, and the number of stations is more. Thus, the total energy consumption of a 5G network is approximately 4 times that of LTE, and the energy consumption cost is approximately half of the total cost of network operation. This number will continue to rise as the 5G network continues to build.
In the related art, a base station transmitting antenna is turned off in a time domain and a space domain by means of base station symbol turn-off, antenna channel turn-off and the like, so that energy-saving processing of the base station is performed.
Disclosure of Invention
The inventors of the present disclosure found that the above-described related art has the following problems: energy-saving processing of the base station cannot be completed in time, so that the efficiency of network energy efficiency adjustment is low.
In view of this, the present disclosure proposes an energy-saving technical solution for a base station, which can improve the efficiency of network energy efficiency adjustment.
According to some embodiments of the present disclosure, there is provided a power saving method of a base station, including: according to different values of network parameters, determining a plurality of energy-saving modes, wherein the network parameters comprise at least one of related parameters of symbol turn-off, related parameters of transmitting power and related parameters of an antenna channel; determining a current energy-saving mode from a plurality of energy-saving modes according to the service condition of the current network; and carrying out energy-saving processing of the base station according to the current energy-saving mode.
In some embodiments, determining the current power saving mode from the plurality of power saving modes based on the current network traffic condition comprises: measuring network indexes of the current network and determining service conditions; and determining the current energy-saving mode according to the value of the network parameter corresponding to the measurement result of the network index and the value of the network parameter corresponding to each energy-saving mode.
In some embodiments, determining the current energy saving mode according to the value of the network parameter corresponding to the measurement result of the network indicator and the value of the network parameter corresponding to each energy saving mode includes: comparing the measurement result of the network index with a corresponding index threshold; according to the comparison result, determining candidate values of the network parameters corresponding to the measurement result of the network index; and determining the current energy-saving mode according to the candidate value and the value of the network parameter corresponding to each energy-saving mode.
In some embodiments, the index threshold is multiple, dividing the value range of the network index into multiple value intervals, and comparing the measurement result of the network index with the corresponding index threshold includes: determining a value interval containing a measurement result of the network index; according to the comparison result, determining the candidate value of the network parameter corresponding to the measurement result of the network index comprises: and determining the candidate value corresponding to the value interval from the plurality of candidate values as the candidate value of the network parameter corresponding to the measurement result of the network index.
In some embodiments, the power saving method of the base station further includes: and adjusting the values of the network parameters corresponding to the energy-saving modes according to the candidate values of the network parameters corresponding to the measurement results of the network indexes.
In some embodiments, the network metrics include at least one of a traffic delay metric or a network throughput metric; the correspondence between the network index and the network parameter includes at least one of the following correspondence: the symbol turn-off period included in the related parameters of the transmitting power corresponds to the service time delay index; the related parameters of symbol turn-off comprise continuous transmission symbol duty ratio corresponding to the network throughput index; the relevant parameters of the antenna channels correspond to network throughput indicators.
In some embodiments, the power saving method of the base station further comprises at least one of the following steps: according to the measurement result of the network index, periodically adjusting the value of the network parameter corresponding to each energy-saving mode; or under the condition that the difference between the measured result of the network index and the historical measured result is larger than the threshold value, the value of the network parameter corresponding to each energy-saving mode is adjusted according to the measured result of the network index.
In some embodiments, after determining the current energy saving mode from the plurality of energy saving modes, the energy saving method of the base station further comprises: determining the offset of the value of the network parameter corresponding to the service condition according to the service condition of the current network load; according to the offset, determining a current sub-mode from a plurality of sub-modes included in the current energy-saving mode, wherein the value of a network parameter corresponding to the current sub-mode is matched with the offset; according to the current energy-saving mode, the energy-saving processing of the base station comprises the following steps: and carrying out energy-saving processing of the base station according to the current sub-mode.
In some embodiments, the power saving method of the base station further includes: recording the offset determined according to the service conditions of various network loads in each energy-saving treatment; determining offset default values corresponding to the service conditions of various network loads according to the effect of each energy-saving treatment; wherein, according to the service condition of the current network load, determining the offset of the value of the network parameter corresponding to the service condition comprises: and determining the default value of the offset of the service condition of the current network load as the offset of the value of the network parameter corresponding to the service condition.
In some embodiments, the symbol off-related parameter comprises at least one of an off period or a continuous transmission symbol duty cycle, the transmit power-related parameter comprises power of the power amplifier at off, and the antenna channel-related parameter comprises an off-mode of the antenna channel.
In some embodiments, determining the current power saving mode from the plurality of power saving modes based on the current network traffic condition comprises: the current energy saving mode is determined from the plurality of energy saving modes using eMDAS (evolution Management Data Analytics Service, evolved management data analysis service) of the core network.
According to other embodiments of the present disclosure, there is provided an energy saving apparatus of a base station, including: the mode configuration unit is used for determining a plurality of energy-saving modes according to different values of network parameters, wherein the network parameters comprise at least one of related parameters of symbol turn-off, related parameters of transmitting power and related parameters of an antenna channel; a mode selection unit, configured to determine a current energy-saving mode from a plurality of energy-saving modes according to a service condition of a current network; and the energy-saving unit is used for carrying out energy-saving processing of the base station according to the current energy-saving mode.
In some embodiments, the mode selection unit measures network metrics of the current network, determining traffic conditions; and determining the current energy-saving mode according to the value of the network parameter corresponding to the measurement result of the network index and the value of the network parameter corresponding to each energy-saving mode.
In some embodiments, the mode selection unit compares the measurement of the network indicator with a corresponding indicator threshold; according to the comparison result, determining candidate values of the network parameters corresponding to the measurement result of the network index; and determining the current energy-saving mode according to the candidate value and the value of the network parameter corresponding to each energy-saving mode.
In some embodiments, the index threshold is multiple, the value range of the network index is divided into multiple value intervals, and the mode selection unit determines the value intervals containing the measurement results of the network index; according to the comparison result, determining the candidate value of the network parameter corresponding to the measurement result of the network index comprises: and determining the candidate value corresponding to the value interval from the plurality of candidate values as the candidate value of the network parameter corresponding to the measurement result of the network index.
In some embodiments, the mode configuration unit adjusts the value of the network parameter corresponding to each energy saving mode according to the candidate value of the network parameter corresponding to the measurement result of the network index.
In some embodiments, the network metrics include at least one of a traffic delay metric or a network throughput metric; the correspondence between the network index and the network parameter includes at least one of the following correspondence: the symbol turn-off period included in the related parameters of the transmitting power corresponds to the service time delay index; the related parameters of symbol turn-off comprise continuous transmission symbol duty ratio corresponding to the network throughput index; the relevant parameters of the antenna channels correspond to network throughput indicators.
In some embodiments, the mode configuration unit performs at least one of the following steps: according to the measurement result of the network index, periodically adjusting the value of the network parameter corresponding to each energy-saving mode; or under the condition that the difference between the measured result of the network index and the historical measured result is larger than the threshold value, the value of the network parameter corresponding to each energy-saving mode is adjusted according to the measured result of the network index.
In some embodiments, the mode selection unit determines the offset of the value of the network parameter corresponding to the service condition according to the service condition of the current network load; according to the offset, determining a current sub-mode from a plurality of sub-modes included in the current energy-saving mode, wherein the value of a network parameter corresponding to the current sub-mode is matched with the offset; and the energy-saving unit performs energy-saving processing of the base station according to the current sub-mode.
In some embodiments, the mode configuration unit records the offset determined for the traffic conditions of various network loads in each energy saving process; determining offset default values corresponding to the service conditions of various network loads according to the effect of each energy-saving treatment; the mode selection unit determines the default value of the offset of the service condition of the current network load as the offset of the value of the network parameter corresponding to the service condition.
In some embodiments, the symbol off-related parameter comprises at least one of an off period or a continuous transmission symbol duty cycle, the transmit power-related parameter comprises power of the power amplifier at off, and the antenna channel-related parameter comprises an off-mode of the antenna channel.
In some embodiments, the mode selection unit determines the current power saving mode from among the plurality of power saving modes using eMDAS of the core network.
According to still further embodiments of the present disclosure, there is provided an energy saving apparatus of a base station, including: a memory; and a processor coupled to the memory, the processor configured to perform the power saving method of the base station in any of the embodiments described above based on instructions stored in the memory device.
According to still further embodiments of the present disclosure, there is provided a non-transitory computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the power saving method of the base station in any of the above embodiments.
In the above embodiment, a plurality of energy saving modes are preconfigured, and an appropriate energy saving mode is selected according to the service condition of the current network. Therefore, the energy-saving processing of the base station can be completed in time, and the efficiency of network energy efficiency adjustment is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.
The disclosure may be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings in which:
fig. 1 illustrates a flow chart of some embodiments of a method of power saving for a base station of the present disclosure;
FIG. 2 illustrates a flow chart of some embodiments of step 120 of the present disclosure;
fig. 3 illustrates a flow chart of other embodiments of a method of power saving for a base station of the present disclosure;
FIG. 4 illustrates a block diagram of some embodiments of an energy conservation device of a base station of the present disclosure;
FIG. 5 illustrates a block diagram of other embodiments of an energy conservation device of a base station of the present disclosure;
fig. 6 illustrates a block diagram of still further embodiments of an energy saving device of a base station of the present disclosure.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless it is specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods, and apparatus should be considered part of the specification.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
As described above, the base station transmitting antenna is turned off in the time domain and the space domain by means of the base station symbol turn-off, the antenna channel turn-off, and the like, so that the Power consumption of the Power Amplifier PA (Power Amplifier) can be reduced. When the network is under medium and low load, the energy consumption can be reduced because there are more free time resources. Thus, the operation cost of the NR (New Radio) network is reduced. Promotes the landing and development of 5G.
However, due to the influence of the power amplification characteristic, the switching of the PA power needs a certain time, and the symbol turn-off cannot be completed immediately; the switching off of the antenna channels is often not done in a timely manner. Therefore, the modes of symbol turn-off of the base station, turn-off of the antenna channel and the like have certain influence on the efficiency of network energy efficiency adjustment.
Aiming at the technical problems, the base station multi-stage energy-saving mode controlled by two stages is introduced, so that the base station energy-saving efficiency is improved, the base station energy-saving mode is more practical, and the base station energy-saving level is further effectively improved.
For example, the present disclosure preconfigures various base station power saving modes; the network side rapidly selects one of the energy-saving modes to work according to the network condition; and then, carrying out detailed configuration on corresponding parameters of the energy-saving mode according to detailed long-term network measurement.
Therefore, by adopting a two-stage configuration mode, the energy-saving and efficient configuration of the base station can be realized, the service quality of the network is ensured, and the operation cost of the NR network is further effectively reduced.
For example, the technical solution of the present disclosure may be implemented by the following embodiments.
Fig. 1 illustrates a flow chart of some embodiments of a method of power saving for a base station of the present disclosure.
As shown in fig. 1, in step 110, a plurality of energy saving modes are determined according to different values of network parameters, where the network parameters include at least one of parameters related to symbol turn-off, parameters related to transmit power, and parameters related to antenna channels.
For example, a plurality of energy saving modes are configured in advance for the base station. Different power saving modes have at least one of different numbers of antenna channels, different symbol off modes, or different transmit power levels.
In some embodiments, the symbol off-related parameter comprises at least one of an off period or a continuous transmission symbol duty cycle, the transmit power-related parameter comprises power of the power amplifier at off, and the antenna channel-related parameter comprises an off-mode of the antenna channel.
In some embodiments, since the power saving of the base station may be achieved by means of symbol off, antenna channel off, etc., the following network parameters may be preconfigured in various power saving modes.
For example, values of a plurality of relevant parameters may be preconfigured for symbol off. For example, the following two relevant parameters may be configured: the turn-off period is longer, so that the turn-off period can adapt to high-delay service, and the shorter turn-off period can adapt to low-delay service; the continuous transmission symbol duty ratio, the number of symbols of transmission data or the number of symbols of the off period, and the configuration of the continuous transmission symbol duty ratio may be proportional to the traffic throughput.
For example, the values of a plurality of relevant parameters may be configured for the PA power at shutdown. For example, multiple PA powers at shutdown may be configured according to the power consumption and base station wake-up delay requirements. The higher the PA power at turn-off, the faster the base station wakes up, but the higher the energy consumption is. Therefore, an appropriate PA power needs to be selected to achieve a balance between power consumption and base station wake-up delay.
For example, values of a plurality of relevant parameters may be configured for the antenna channel off mode. For example, it may be configured to turn off all antenna channels or to turn off part of the antenna channels.
In this way, by configuring different energy-saving modes which can adapt to different service conditions, the energy-saving efficiency of the base station is improved.
In step 120, a current energy saving mode is determined from the plurality of energy saving modes according to traffic conditions of the current network. For example, the base station detects the service condition of the current network and selects a certain pre-configured energy-saving mode to work, so as to improve the energy-saving efficiency of the network.
In some embodiments, the current energy saving mode is determined from a plurality of energy saving modes using eMDAS of the core network.
In step 130, energy saving processing of the base station is performed according to the current energy saving mode.
In some embodiments, step 120 may be implemented by the embodiment of fig. 2.
Fig. 2 illustrates a flow chart of some embodiments of step 120 of the present disclosure.
As shown in fig. 2, in step 1210, network metrics of a current network are measured to determine traffic conditions.
In some embodiments, the network metrics include at least one of a traffic delay metric or a network throughput metric; the correspondence between the network index and the network parameter includes at least one of the following correspondence: the symbol turn-off period included in the related parameters of the transmitting power corresponds to the service time delay index; the related parameters of symbol turn-off comprise continuous transmission symbol duty ratio corresponding to the network throughput index; the relevant parameters of the antenna channels correspond to network throughput indicators.
In step 1220, the current energy-saving mode is determined according to the values of the network parameters corresponding to the measurement results of the network indexes and the values of the network parameters corresponding to the energy-saving modes.
In some embodiments, the measurement of the network indicator is compared to a corresponding indicator threshold; according to the comparison result, determining candidate values of the network parameters corresponding to the measurement result of the network index; and determining the current energy-saving mode according to the candidate value and the value of the network parameter corresponding to each energy-saving mode.
For example, the index threshold is plural, and the value range of the network index is divided into plural value sections. Determining a value interval containing a measurement result of the network index; according to the comparison result, determining the candidate value of the network parameter corresponding to the measurement result of the network index comprises: and determining the candidate value corresponding to the value interval from the plurality of candidate values as the candidate value of the network parameter corresponding to the measurement result of the network index.
In some embodiments, positive integer K candidate values may be preconfigured for each network parameter; k-1 index thresholds { lambda }, may be pre-configured for network metrics corresponding to network parameters 1 ，λ 2 ，...，λ K-1 }。
For example, the selection of the current energy saving mode is achieved by comparing the measurement of the network metrics with a corresponding metric threshold.
For example, taking the network parameter as the transmit power when the antenna is turned off as an example, K PA transmit power levels { P } are pre-configured 1 ，P 2 ，...，P K }，P 1 ＝0＜P 2 ＜…＜P K ＝P Max As an alternative value for the network parameter; setting K-1 index threshold { tau } for the network index service delay corresponding to the network parameter 1 ，τ 2 ，...，τ K-1 }，τ 1 ＞τ 2 ＞…＞τ K-1 。
For example, the alternative values for each network parameter include at least P with a value of 0 1 Value P corresponding to full configuration transmission Max Thereby achieving complete turn-off and complete turn-on of the base station.
For example, when the measurement result τ > τ of the traffic delay 1 Setting the transmitting power level in the corresponding energy-saving mode as P 1 The method comprises the steps of carrying out a first treatment on the surface of the Measurement result tau of service delay 1 ＞τ＞τ 2 Setting the transmitting power level in the corresponding energy-saving mode as P 2 The method comprises the steps of carrying out a first treatment on the surface of the ..; when the measurement result tau of service delay is less than tau K-1 Setting the transmitting power level in the corresponding energy-saving mode as P K 。
In some embodiments, similar to the above embodiments, the configuration of the symbol off period is performed by comparing the traffic delay with the corresponding index threshold; the configuration of the continuous transmission symbol duty ratio is carried out through the comparison of the network throughput and the corresponding index threshold value; and (3) carrying out configuration of an antenna channel turn-off mode through comparison of the network throughput and a corresponding index threshold.
In some embodiments, the values of the network parameters corresponding to each energy saving mode are adjusted according to candidate values of the network parameters corresponding to the measurement results of the network metrics.
For example, for the values of the pre-configured network parameters, the corresponding network indexes can be measured, and the values of the network parameters in each energy-saving mode are configured periodically; or when the network state is changed greatly, the values of the network parameters in each energy-saving mode are reconfigured.
In some embodiments, according to the measurement result of the network index, periodically adjusting the value of the network parameter corresponding to each energy-saving mode; or under the condition that the difference between the measured result of the network index and the historical measured result is larger than the threshold value, the value of the network parameter corresponding to each energy-saving mode is adjusted according to the measured result of the network index.
For example, each preconfigured network parameter may be preconfigured with an alternative value, and a corresponding additional offset may be set. For example, the initial default value of the offset may be 0.
In some embodiments, after determining a current energy-saving mode from the plurality of energy-saving modes, determining a valued offset of a network parameter corresponding to a traffic condition according to the traffic condition of the current network load; according to the offset, determining a current sub-mode from a plurality of sub-modes included in the current energy-saving mode, wherein the value of a network parameter corresponding to the current sub-mode is matched with the offset; and carrying out energy-saving processing of the base station according to the current sub-mode.
For example, the offset determined for the traffic conditions of various network loads in each energy saving process is recorded; and determining offset default values corresponding to the service conditions of various network loads according to the effect of each energy-saving treatment. And determining the default value of the offset of the service condition of the current network load as the offset of the value of the network parameter corresponding to the service condition.
In some embodiments, after a certain pre-configured energy-saving mode is adopted by the base station, the offset of each network parameter may be set according to the service condition of the current network load, so as to select a sub-mode from the adopted energy-saving modes. Therefore, two-stage base station energy-saving adjustment can be realized, and the processing efficiency and the processing accuracy are both considered.
The granularity of distinguishing network parameters among all preconfigured energy-saving modes is rough, and the energy-saving processing efficiency is improved. Because the actual deployment geographical location and channel environment of each base station are different, the coarse-granularity energy-saving mode may not be enough to optimize the network performance, so the base station configuration is finely tuned by adopting a two-stage adjustment mode.
For example, after the network achieves coarse-grained configuration, the network state and feedback of the UE (user equipment) are continuously measured, so as to adaptively fine-tune the offset of the network parameter configuration, thereby achieving fine energy-saving control.
For example, the base station can count and record the offset adopted in the current energy-saving mode, and obtain the optimal configuration adapting to the current network load, service demand and channel environment through data analysis, and the optimal configuration is used as the default value of the offset in the energy-saving mode; when the energy-saving mode of the base station is reconfigured next time, the optimal offset obtained by the previous statistical analysis can be preferentially adopted for configuration, and the network performance and characteristics are further improved.
Fig. 3 illustrates a flow chart of other embodiments of a method of power saving for a base station of the present disclosure.
As shown in fig. 3, in step 310, the base station predefines a multi-level power saving mode.
For example, a plurality of energy saving modes are configured in advance for the base station. Different power saving modes have at least one of different numbers of antenna channels, different symbol off modes, or different transmit power levels. The base station evaluates the current network service condition and selects one of the energy-saving modes to work so as to improve the energy-saving efficiency of the network.
In some embodiments, since the power saving of the base station may be achieved by means of symbol off, antenna channel off, etc., the following network parameters may be preconfigured in various power saving modes.
For example, values of a plurality of relevant parameters may be preconfigured for symbol off. For example, the following two relevant parameters may be configured: the turn-off period is longer, so that the turn-off period can adapt to high-delay service, and the shorter turn-off period can adapt to low-delay service; the continuous transmission symbol duty ratio, the number of symbols of transmission data or the number of symbols of the off period, and the configuration of the continuous transmission symbol duty ratio may be proportional to the traffic throughput.
For example, the values of a plurality of relevant parameters may be configured for the PA power at shutdown. For example, multiple PA powers at shutdown may be configured according to the power consumption and base station wake-up delay requirements. The higher the PA power at turn-off, the faster the base station wakes up, but the higher the energy consumption is. Therefore, an appropriate PA power needs to be selected to achieve a balance between power consumption and base station wake-up delay.
For example, values of a plurality of relevant parameters may be configured for the antenna channel off mode. For example, it may be configured to turn off all antenna channels or to turn off part of the antenna channels.
For example, the alternative values of the network parameters include at least P1, which is 0, and P, which is the corresponding value in the case of a full configuration transmission Max Thereby achieving complete turn-off and complete turn-on of the base station.
In step 320, the base station detects network metrics such as traffic flow, latency, network environment, etc.
For example, for the values of the pre-configured network parameters, the corresponding network indexes can be measured, and the values of the network parameters in each energy-saving mode are configured periodically; or when the network state is changed greatly, the values of the network parameters in each energy-saving mode are reconfigured.
In step 330, the appropriate power saving mode is quickly selected. The initial offset is 0.
In some embodiments, positive integer K candidate values may be preconfigured for each network parameter; k-1 index thresholds { lambda }, may be pre-configured for network metrics corresponding to network parameters 1 ，λ 2 ，...，λ K-1 }。
For example, the selection of the current energy saving mode is achieved by comparing the measurement of the network metrics with a corresponding metric threshold.
For example, taking the network parameter as the transmit power when the antenna is turned off as an example, K PA transmit power levels { P } are pre-configured 1 ，P 2 ，...，P K }，P 1 ＝0＜P 2 ＜…＜P K ＝P Max As an alternative value for the network parameter; setting K-1 index threshold { tau } for the network index service delay corresponding to the network parameter 1 ，τ 2 ，...，τ K-1 }，τ 1 ＞τ 2 ＞…＞τ K-1 。
For example, the alternative values for each network parameter include at least P with a value of 0 1 Value P corresponding to full configuration transmission Max Thereby achieving complete turn-off and complete turn-on of the base station.
For example, when the measurement result τ > τ of the traffic delay 1 Setting the transmitting power level in the corresponding energy-saving mode as P 1 The method comprises the steps of carrying out a first treatment on the surface of the Measurement result tau of service delay 1 ＞τ＞τ 2 Setting the transmitting power level in the corresponding energy-saving mode as P 2 The method comprises the steps of carrying out a first treatment on the surface of the ..; when the measurement result tau of service delay is less than tau K-1 Setting the transmitting power level in the corresponding energy-saving mode as P K 。
In some embodiments, similar to the above embodiments, the configuration of the symbol off period is performed by comparing the traffic delay with the corresponding index threshold; the configuration of the continuous transmission symbol duty ratio is carried out through the comparison of the network throughput and the corresponding index threshold value; and (3) carrying out configuration of an antenna channel turn-off mode through comparison of the network throughput and a corresponding index threshold.
In some embodiments, the current energy saving mode is determined from a plurality of energy saving modes using eMDAS of the core network.
For example, the alternative values for each network parameter include at least P with a value of 0 1 Value P corresponding to full configuration transmission Max Thereby realizing the completion of the base stationFully off and fully on.
In step 340, fine granularity adjustment is performed for the offset of the power saving mode configuration network parameter.
In some embodiments, after a certain pre-configured energy-saving mode is adopted by the base station, the offset of each network parameter may be set according to the service condition of the current network load, so as to select a sub-mode from the adopted energy-saving modes. Therefore, two-stage base station energy-saving adjustment can be realized, and the processing efficiency and the processing accuracy are both considered.
The granularity of distinguishing network parameters among all preconfigured energy-saving modes is rough, and the energy-saving processing efficiency is improved. Because the actual deployment geographical location and channel environment of each base station are different, the coarse-granularity energy-saving mode may not be enough to optimize the network performance, so the base station configuration is finely tuned by adopting a two-stage adjustment mode.
For example, after the network achieves coarse-grained configuration, the network state and feedback of the UE (user equipment) are continuously measured, so as to adaptively fine-tune the offset of the network parameter configuration, thereby achieving fine energy-saving control.
In step 350, fine-grained system parameters are counted and recorded, and the default offset value is modified based on the statistics.
For example, the base station can count and record the offset adopted in the current energy-saving mode, and obtain the optimal configuration adapting to the current network load, service demand and channel environment through data analysis, and the optimal configuration is used as the default value of the offset in the energy-saving mode; when the energy-saving mode of the base station is reconfigured next time, the optimal offset obtained by the previous statistical analysis can be preferentially adopted for configuration, and the network performance and characteristics are further improved.
In the above embodiment, the base station is preconfigured with the hierarchical energy-saving mode; adopting a two-stage configuration structure to respectively realize coarse granularity configuration and fine granularity configuration of energy conservation of the base station; the selection of the configuration process may be accomplished by comparison to a threshold value or by data analysis.
Thus, a plurality of energy saving modes are preconfigured for the base station, and the energy saving modes of the base station are autonomously changed by periodically measuring the network and comparing the network with a threshold value. Therefore, the configuration of the base station energy saving mode can be quickly realized to adapt to the current network state.
The base station control of fine granularity is realized on the basis of the energy-saving mode in a two-stage control mode. Therefore, the system performance and the energy consumption are better balanced.
For a network scene with medium and low energy consumption, the energy consumption can be effectively reduced by more than 20% by adopting a symbol turn-off mode, and the energy consumption can be saved by 30% -40% by adopting an antenna channel turn-off mode. By adopting the technical scheme, the symbol turn-off efficiency can be improved, the practicality of symbol turn-off can be effectively improved, more medium-low load networks can use the symbol turn-off mode, and the energy consumption is effectively reduced.
Fig. 4 illustrates a block diagram of some embodiments of an energy conservation device of a base station of the present disclosure.
As shown in fig. 4, the energy saving device 4 of the base station includes: a mode configuration unit 41, configured to determine a plurality of energy-saving modes according to different values of network parameters, where the network parameters include at least one of a related parameter of symbol turn-off, a related parameter of transmit power, and a related parameter of an antenna channel; a mode selection unit 42 for determining a current energy saving mode from a plurality of energy saving modes according to a traffic condition of the current network; and the energy-saving unit 43 is used for performing energy-saving processing of the base station according to the current energy-saving mode.
In some embodiments, the mode selection unit 42 measures network metrics of the current network, determining traffic conditions; and determining the current energy-saving mode according to the value of the network parameter corresponding to the measurement result of the network index and the value of the network parameter corresponding to each energy-saving mode.
In some embodiments, mode selection unit 42 compares the measurement of the network metrics with a corresponding metric threshold; according to the comparison result, determining candidate values of the network parameters corresponding to the measurement result of the network index; and determining the current energy-saving mode according to the candidate value and the value of the network parameter corresponding to each energy-saving mode.
In some embodiments, the index threshold is multiple, the value range of the network index is divided into multiple value intervals, and the mode selection unit 42 determines the value intervals containing the measurement result of the network index; according to the comparison result, determining the candidate value of the network parameter corresponding to the measurement result of the network index comprises: and determining the candidate value corresponding to the value interval from the plurality of candidate values as the candidate value of the network parameter corresponding to the measurement result of the network index.
In some embodiments, the mode configuration unit 41 adjusts the value of the network parameter corresponding to each energy saving mode according to the candidate value of the network parameter corresponding to the measurement result of the network index.
In some embodiments, the network metrics include at least one of a traffic delay metric or a network throughput metric; the correspondence between the network index and the network parameter includes at least one of the following correspondence: the symbol turn-off period included in the related parameters of the transmitting power corresponds to the service time delay index; the related parameters of symbol turn-off comprise continuous transmission symbol duty ratio corresponding to the network throughput index; the relevant parameters of the antenna channels correspond to network throughput indicators.
In some embodiments, the mode configuration unit 41 performs at least one of the following steps: according to the measurement result of the network index, periodically adjusting the value of the network parameter corresponding to each energy-saving mode; or under the condition that the difference between the measured result of the network index and the historical measured result is larger than the threshold value, the value of the network parameter corresponding to each energy-saving mode is adjusted according to the measured result of the network index.
In some embodiments, the mode selection unit 42 determines, according to the traffic condition of the current network load, the offset of the value of the network parameter corresponding to the traffic condition; according to the offset, determining a current sub-mode from a plurality of sub-modes included in the current energy-saving mode, wherein the value of a network parameter corresponding to the current sub-mode is matched with the offset; the energy saving unit 43 performs energy saving processing of the base station according to the current sub-mode.
In some embodiments, the mode configuration unit 41 records the offset determined for the traffic situation of various network loads in each energy saving process; determining offset default values corresponding to the service conditions of various network loads according to the effect of each energy-saving treatment; the mode selection unit 42 determines the default value of the offset of the traffic condition of the current network load as the offset of the value of the network parameter corresponding to the traffic condition.
In some embodiments, the symbol off-related parameter comprises at least one of an off period or a continuous transmission symbol duty cycle, the transmit power-related parameter comprises power of the power amplifier at off, and the antenna channel-related parameter comprises an off-mode of the antenna channel.
In some embodiments, the mode selection unit 42 determines the current power saving mode from among the plurality of power saving modes using eMDAS of the core network.
Fig. 5 shows a block diagram of further embodiments of an energy saving device of a base station of the present disclosure.
As shown in fig. 5, the energy saving device 5 of the base station of this embodiment includes: a memory 51 and a processor 52 coupled to the memory 51, the processor 52 being configured to perform the power saving method of the base station in any one of the embodiments of the present disclosure based on instructions stored in the memory 51.
The memory 51 may include, for example, a system memory, a fixed nonvolatile storage medium, and the like. The system memory stores, for example, an operating system, application programs, boot Loader, database, and other programs.
Fig. 6 illustrates a block diagram of still further embodiments of an energy saving device of a base station of the present disclosure.
As shown in fig. 6, the energy saving device 6 of the base station of this embodiment includes: a memory 610 and a processor 620 coupled to the memory 610, the processor 620 being configured to perform the power saving method of the base station of any of the previous embodiments based on instructions stored in the memory 610.
The memory 610 may include, for example, system memory, fixed nonvolatile storage media, and the like. The system memory stores, for example, an operating system, application programs, boot Loader, and other programs.
The energy saving device 6 of the base station may further include an input-output interface 630, a network interface 640, a storage interface 650, and the like. These interfaces 630, 640, 650 and the memory 610 and processor 620 may be connected by, for example, a bus 660. The input/output interface 630 provides a connection interface for input/output devices such as a display, a mouse, a keyboard, a touch screen, a microphone, and a speaker. Network interface 640 provides a connection interface for various networking devices. The storage interface 650 provides a connection interface for external storage devices such as SD cards, U-discs, and the like.
It will be appreciated by those skilled in the art that embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media including, but not limited to, disk storage, CD-ROM, optical storage, and the like, having computer-usable program code embodied therein.
Up to this point, the energy saving method of the base station, the energy saving device of the base station, and the non-volatile computer readable storage medium according to the present disclosure have been described in detail. In order to avoid obscuring the concepts of the present disclosure, some details known in the art are not described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.
The methods and systems of the present disclosure may be implemented in a number of ways. For example, the methods and systems of the present disclosure may be implemented by software, hardware, firmware, or any combination of software, hardware, firmware. The above-described sequence of steps for the method is for illustration only, and the steps of the method of the present disclosure are not limited to the sequence specifically described above unless specifically stated otherwise. Furthermore, in some embodiments, the present disclosure may also be implemented as programs recorded in a recording medium, the programs including machine-readable instructions for implementing the methods according to the present disclosure. Thus, the present disclosure also covers a recording medium storing a program for executing the method according to the present disclosure.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present disclosure. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the disclosure. The scope of the present disclosure is defined by the appended claims.

Claims (14)

1. A method of saving energy in a base station, comprising:
determining a plurality of energy-saving modes according to different values of network parameters, wherein the network parameters comprise at least one of related parameters of symbol turn-off, related parameters of transmitting power and related parameters of an antenna channel;
determining a current energy-saving mode from the plurality of energy-saving modes according to the service condition of the current network;
and carrying out energy saving processing of the base station according to the current energy saving mode.
2. The energy saving method of claim 1, wherein the determining a current energy saving mode from the plurality of energy saving modes according to a current network traffic condition comprises:
measuring network indexes of the current network and determining the service condition;
and determining the current energy-saving mode according to the value of the network parameter corresponding to the measurement result of the network index and the value of the network parameter corresponding to each energy-saving mode.
3. The energy saving method of claim 2, wherein determining the current energy saving mode according to the value of the network parameter corresponding to the measurement result of the network index and the value of the network parameter corresponding to each energy saving mode comprises:
comparing the measurement result of the network index with a corresponding index threshold;
according to the comparison result, determining candidate values of the network parameters corresponding to the measurement result of the network index;
and determining the current energy-saving mode according to the candidate values and the values of the network parameters corresponding to the energy-saving modes.
4. The energy saving method according to claim 3, wherein the index threshold is plural, the range of values of the network index is divided into plural value intervals,
comparing the measurement result of the network index with a corresponding index threshold value comprises:
determining a value interval containing the measurement result of the network index;
according to the comparison result, determining the candidate value of the network parameter corresponding to the measurement result of the network index comprises:
and determining a candidate value corresponding to the value interval from a plurality of candidate values as a candidate value of the network parameter corresponding to the measurement result of the network index.
5. The energy saving method of claim 3, further comprising:
and adjusting the values of the network parameters corresponding to the energy-saving modes according to the candidate values of the network parameters corresponding to the measurement results of the network indexes.
6. The energy saving method according to claim 2, wherein:
the network index comprises at least one of a service delay index or a network throughput index;
the correspondence between the network index and the network parameter includes at least one of the following correspondence:
the symbol turn-off period included in the related parameters of the transmitting power corresponds to the service delay index;
the symbol turn-off related parameters comprise continuous transmission symbol duty ratio corresponding to the network throughput index;
the relevant parameters of the antenna channels correspond to the network throughput index.
7. The energy saving method of claim 2, further comprising at least one of the following steps:
according to the measurement result of the network index, periodically adjusting the value of the network parameter corresponding to each energy-saving mode; or alternatively
And under the condition that the difference between the measured result of the network index and the historical measured result is larger than a threshold value, adjusting the value of the network parameter corresponding to each energy-saving mode according to the measured result of the network index.
8. The energy saving method of claim 1, further comprising, after determining a current energy saving mode from the plurality of energy saving modes:
determining the offset of the value of a network parameter corresponding to the service condition according to the service condition of the current network load;
determining a current sub-mode from a plurality of sub-modes included in the current energy-saving mode according to the offset, wherein the value of a network parameter corresponding to the current sub-mode is matched with the offset;
the energy-saving processing of the base station according to the current energy-saving mode comprises the following steps:
and carrying out energy-saving processing of the base station according to the current sub-mode.
9. The energy saving method of claim 8, further comprising:
recording the offset determined according to the service conditions of various network loads in each energy-saving treatment;
determining offset default values corresponding to the service conditions of various network loads according to the effect of each energy-saving treatment;
wherein, determining the offset of the value of the network parameter corresponding to the service condition according to the service condition of the current network load includes:
and determining the default value of the offset of the service condition of the current network load as the offset of the value of the network parameter corresponding to the service condition.
10. The energy saving method of any of claims 1-9, wherein the determining a current energy saving mode from the plurality of energy saving modes according to a current network traffic condition comprises:
and determining the current energy-saving mode from the plurality of energy-saving modes by utilizing evolved management data analysis service eMDAS of a core network.
11. The power saving method according to any one of claims 1-9, wherein the symbol off related parameter comprises at least one of an off period or a continuous transmission symbol duty cycle, the transmit power related parameter comprises power of a power amplifier at off, and the antenna channel related parameter comprises an off mode of an antenna channel.
12. An energy saving device of a base station, comprising:
the system comprises a mode configuration unit, a power-saving unit and a power-saving unit, wherein the mode configuration unit is used for determining a plurality of energy-saving modes according to different values of network parameters, and the network parameters comprise at least one of related parameters of symbol turn-off, related parameters of transmitting power and related parameters of an antenna channel;
a mode selection unit, configured to determine a current energy-saving mode from the plurality of energy-saving modes according to a service condition of a current network;
and the energy-saving unit is used for carrying out energy-saving processing of the base station according to the current energy-saving mode.
13. An energy saving device of a base station, comprising:
a memory; and
a processor coupled to the memory, the processor configured to perform the power saving method of the base station of any of claims 1-11 based on instructions stored in the memory.
14. A non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the power saving method of a base station of any of claims 1-11.
CN202210450952.8A 2022-04-27 2022-04-27 Energy saving method and device for base station and non-volatile computer readable storage medium Pending CN117015004A (en)

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