CN111511003A - Energy-saving method for distributed base station - Google Patents
Energy-saving method for distributed base station Download PDFInfo
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- CN111511003A CN111511003A CN202010334394.XA CN202010334394A CN111511003A CN 111511003 A CN111511003 A CN 111511003A CN 202010334394 A CN202010334394 A CN 202010334394A CN 111511003 A CN111511003 A CN 111511003A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 230000003321 amplification Effects 0.000 claims abstract description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000013307 optical fiber Substances 0.000 description 1
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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
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- 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
Abstract
The invention relates to an energy-saving method of a distributed base station, wherein the distributed base station comprises a network manager, a baseband unit and a plurality of radio frequency units connected with the baseband unit, the baseband unit and the radio frequency units are respectively in communication connection with the network manager, the radio frequency units comprise a digital processing module and a power amplification module connected with the digital processing module, the digital processing module is connected with the baseband unit, the radio frequency units also comprise a radar detection module connected with the digital processing module, and the energy-saving method comprises the following steps: the radar detection module detects the distance between the mobile users around the radio frequency unit and the radio frequency unit in real time and outputs the detected distance information to the digital processing module; and the digital processing module outputs the distance information detected by the radar detection module to the baseband unit. The invention can reduce the power consumption of the base station to achieve the aim of energy saving.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of mobile communication, in particular to an energy-saving method for a distributed base station.
[ background of the invention ]
With the coming of 5G, the demand for data traffic is continuously and dramatically increased, the network load is greatly increased, and the problems in the aspects of power consumption of the base station, heat dissipation of equipment, energy-saving management and the like need to be solved urgently. At present, a distributed base station generally comprises a baseband unit and a radio frequency unit, the number of the radio frequency units is generally more, the power consumption is larger, and if the power consumption of the radio frequency unit can be reduced, the power consumption of the whole base station can be reduced more easily, so that the purpose of energy saving is achieved.
The traditional energy-saving mode is that the number of mobile users and the flow in a cell covered by a base station are counted by a network manager of a background of the base station through Key Performance Indicators (KPIs), and the rule of the number of users, the flow and the time is found. When the number of mobile users in the whole cell is small or the flow is small, all the radio frequency units in the whole cell are turned off, the transmission bandwidth of all the radio frequency units in the whole cell is adjusted, or the transmission power of all the radio frequency units in the whole cell is reduced to achieve the purpose of energy saving. The accuracy of the energy-saving mode is not high, and the service experience of mobile users under all radio frequency units of the whole cell can be influenced.
[ summary of the invention ]
The invention aims to overcome the defects of the technology and provide an improved energy-saving method of a distributed base station, which has high accuracy and can reduce the power consumption of the base station so as to achieve the aim of saving energy.
The invention provides an energy-saving method of a distributed base station, the distributed base station comprises a network manager, a baseband unit and a plurality of radio frequency units connected with the baseband unit, the baseband unit and the radio frequency units are respectively in communication connection with the network manager, the radio frequency units comprise a digital processing module and a power amplification module connected with the digital processing module, the digital processing module is connected with the baseband unit, the radio frequency units also comprise a radar detection module connected with the digital processing module, and the energy-saving method comprises the following steps:
the radar detection module detects the distance between the mobile users around the radio frequency unit and the radio frequency unit in real time and outputs the detected distance information to the digital processing module;
the digital processing module outputs the distance information detected by the radar detection module to the baseband unit;
the base band unit receives the distance information output by the digital processing module, compares the received distance information with the maximum coverage range of the radio frequency unit, judges whether a mobile user exists in the coverage range of the radio frequency unit according to the comparison result, and sends an instruction for closing a power amplifier module of the radio frequency unit to the network manager if the mobile user does not exist;
and the network manager closes the power amplifier module according to the instruction sent by the baseband unit for closing the power amplifier module of the radio frequency unit.
Further, if a mobile user exists, the baseband unit sends an instruction for opening a power amplifier module of the radio frequency unit to the network manager; and the network manager opens the power amplifier module according to the instruction sent by the baseband unit for opening the power amplifier module of the radio frequency unit.
Further, the baseband unit comprises an X86 server and an MEC edge arithmetic unit connected with the X86 server;
the X86 server receives the distance information output by the digital processing module and compares the received distance information with the maximum coverage range of the radio frequency unit;
and the MEC edge operation unit judges whether a mobile user exists in the coverage area of the radio frequency unit according to the comparison result of the X86 server, if no mobile user exists, the MEC edge operation unit sends an instruction for closing the power amplification module of the radio frequency unit to the network manager, and if a mobile user exists, the MEC edge operation unit sends an instruction for opening the power amplification module of the radio frequency unit to the network manager.
Furthermore, the digital processing module is provided with a CPRI interface, and the CPRI interface is connected with the baseband unit.
The invention can realize the control of the power amplifier module of each radio frequency unit, has high precision, and can close the power amplifier module of the radio frequency unit through the network management if the radio frequency unit of the mobile user does not exist in the coverage area, thereby stopping the work of the radio frequency unit, and realizing the purpose of reducing the power consumption of the base station to achieve the energy saving.
[ description of the drawings ]
Fig. 1 is a block diagram illustrating a distributed base station according to an embodiment of the present invention;
FIG. 2 is a block diagram schematic diagram of a radio frequency unit of the distributed base station of FIG. 1;
fig. 3 is a schematic flow chart of an energy saving method for a distributed base station provided by the distributed base station shown in fig. 1 according to the present invention.
[ detailed description ] embodiments
The invention is further described below with reference to the figures and examples.
Referring to fig. 1 and fig. 2, the distributed base station provided by the present invention includes a network manager 10 (i.e., a network management system), a baseband unit 20, and a plurality of radio frequency units 30 connected to the baseband unit 20. The baseband unit 10 and the plurality of radio frequency units 30 are respectively in communication connection with the network manager 10. In practical applications, an extension unit is usually connected in series between the baseband unit 20 and the rf units 30, and data between the baseband unit 20 and the rf units 30 can be transmitted through the extension unit. The base band unit 20 and the extension unit, and the extension unit and the plurality of radio frequency units 30 are respectively connected by optical fibers. The number of the rf units 30 can be set according to practical situations.
The radio frequency unit 30 includes a digital processing module 31, a power amplifier module 32 connected to the digital processing module 31, and a radar detection module 33 connected to the digital processing module 31. The digital processing module 31 is connected to the baseband unit 20. In practical application, a digital up-converter, a digital-to-analog conversion module, an intermediate frequency amplifier, a band-pass filter and a mixer are connected in series between the digital processing module 31 and the power amplifier module 32.
The radar detection module 33 is configured to detect a distance between a mobile user around the radio frequency unit 30 and the radio frequency unit 30 in real time and output detected distance information to the digital processing module 31.
The digital processing module 31 is configured to output the distance information detected by the radar detection module 33 to the baseband unit 20.
The baseband unit 20 is configured to receive the distance information output by the digital processing module 31, compare the received distance information with the maximum coverage area of the radio frequency unit 30, and determine whether a mobile user exists in the coverage area of the radio frequency unit 30 according to a comparison result, and if no mobile user exists, send an instruction to the network manager 10 to close the power amplifier module 32 of the radio frequency unit 30.
The network manager 10 is configured to close the power amplifier module 32 according to an instruction sent by the baseband unit 20 to close the power amplifier module 32 of the radio frequency unit 30, so that the radio frequency unit 30 where the power amplifier module 32 is located can stop working, thereby reducing power consumption of the base station.
If the baseband unit 20 determines that the mobile user exists in the coverage area of the radio frequency unit 30, an instruction for opening the power amplifier module 32 of the radio frequency unit 30 is sent to the network manager 10, and the network manager 10 is configured to open the power amplifier module 32 according to the instruction for opening the power amplifier module 32 of the radio frequency unit 30 sent by the baseband unit 20, so that the radio frequency unit 30 where the power amplifier module 32 is located can normally operate, and normal service experience of the mobile user in the coverage area of the radio frequency unit 30 is ensured.
In this embodiment, the digital processing module 31 is provided with a Common Public Radio Interface (CPRI) Interface, and the CPRI Interface is connected to the baseband unit 20. The digital processing module 31 outputs the distance information detected by the radar detection module 33 to the baseband unit 20 through the CPRI interface.
Further, in this embodiment, the baseband unit 20 includes an X86 server and an MEC (Mobile Edge Computing) Edge Computing unit connected to the X86 server.
The X86 server is used for receiving the distance information output by the digital processing module 31 and comparing the received distance information with the maximum coverage area of the radio frequency unit 30.
The MEC edge arithmetic unit is configured to determine whether a mobile user exists in the coverage area of the radio frequency unit 30 according to the comparison result of the X86 server, send an instruction to the network manager 10 to close the power amplifier module 32 of the radio frequency unit 30 if the mobile user does not exist, so as to close the power amplifier module 32 through the network manager 10, and send an instruction to the network manager 10 to open the power amplifier module 32 of the radio frequency unit 30 if the mobile user exists, so as to open the power amplifier module 32 through the network manager 10.
Referring to fig. 3, the present invention provides an energy saving method for a distributed base station, including the following steps:
s1, the radar detection module 33 detects the distance between the mobile user around the radio frequency unit 30 and the radio frequency unit 30 in real time and outputs the detected distance information to the digital processing module 31.
S2, the digital processing module 31 outputs the distance information detected by the radar detection module 33 to the baseband unit 20.
S3, the baseband unit 20 receives the distance information outputted from the digital processing module 31, compares the received distance information with the maximum coverage area of the rf unit 30, and determines whether there is a mobile user in the coverage area of the rf unit 30 according to the comparison result, if there is no mobile user, step S4 is performed, and if there is a mobile user, step S6 is performed.
S4, the baseband unit 20 sends an instruction to the network manager 10 to close the power amplifier module 32 of the rf unit 30.
S5, the webmaster 10 closes the power amplifier module 32 according to the instruction sent by the baseband unit 20 to close the power amplifier module 32 of the radio frequency unit 30, so that the radio frequency unit 30 where the power amplifier module 32 is located can stop working, thereby reducing power consumption of the base station to achieve the purpose of saving energy.
S6, the baseband unit 20 sends an instruction to the network manager 10 to open the power amplifier module 32 of the rf unit 30.
S7, the webmaster 10 opens the power amplifier module 32 according to the instruction sent by the baseband unit 20 to open the power amplifier module 32 of the radio frequency unit 30, so that the radio frequency unit 30 where the power amplifier module 32 is located can normally operate, thereby ensuring normal service experience of the mobile user in the coverage area of the radio frequency unit 30.
For example, assuming that the distances between the mobile users around the radio frequency unit 30 and the radio frequency unit 30 detected by the radar detection module 33 are T1, T2, and T3, T1 is 10 meters, T2 is 20 meters, T3 is 30 meters, the maximum coverage area of the radio frequency unit 30 is 9 meters, and after comparison by the baseband unit 20, T1, T2, and T3 are all smaller than the maximum coverage area of the radio frequency unit 30, it is determined that there is no mobile user in the coverage area of the radio frequency unit 30, an instruction for closing the power amplifier module 32 of the radio frequency unit 30 is sent to the network manager 10, and the network manager 10 closes the power amplifier module 32 according to the instruction sent by the baseband unit 20 for closing the power amplifier module 32 of the radio frequency unit 30. Assuming that T1 is 8 meters, T2 is 20 meters, and T3 is 30 meters, after comparison by the baseband unit 20, T1 is smaller than the maximum coverage of the radio frequency unit 30, and T2 and T3 are larger than the coverage of the radio frequency unit 30, it is determined that there is a mobile user in the coverage of the radio frequency unit 30, an instruction to open the power amplifier module 32 of the radio frequency unit 30 is sent to the network manager 10, and the network manager 10 opens the power amplifier module 32 according to the instruction to open the power amplifier module 32 of the radio frequency unit 30 sent by the baseband unit 20. It should be understood that, if there is a range information smaller than the maximum coverage range of the radio frequency unit 30 in the range information detected by the radar detection module 33, it is considered that there is a mobile user in the coverage range of the radio frequency unit 30.
The maximum coverage of the rf unit 30 may be estimated based on the operating frequency and the transmit power of the rf unit 30. The operating frequency and the transmitting power of the rf unit 30 can be set according to actual conditions.
By the method, the power amplifier module 32 of each radio frequency unit 30 can be controlled respectively, the accuracy is high, if the radio frequency unit 30 of a mobile user does not exist in the coverage area, the power amplifier module 32 of the radio frequency unit 30 can be closed through the network manager 10, so that the radio frequency unit 30 stops working, the power consumption of a base station is reduced, and the purpose of saving energy is achieved, and if the radio frequency unit 30 of the mobile user exists in the coverage area, the power amplifier module 32 of the radio frequency unit 30 can be opened through the network manager 10, so that the radio frequency unit 30 can work normally, and the normal service experience of the mobile user in the coverage area of the radio frequency unit 30 is ensured.
In this embodiment, the digital processing module 31 is provided with a CPRI interface, and the CPRI interface is connected to the baseband unit 20. The digital processing module 31 outputs the distance information detected by the radar detection module 33 to the baseband unit 20 through the CPRI interface.
Further, in the present embodiment, the baseband unit 20 includes an X86 server and an MEC edge arithmetic unit connected to the X86 server. The step S3 specifically includes: the X86 server receives the distance information output by the digital processing module 31 and compares the received distance information with the maximum coverage area of the radio frequency unit 30, the MEC edge arithmetic unit judges whether there is a mobile user in the coverage area of the radio frequency unit 30 according to the comparison result of the X86 server, if there is no mobile user, in step S4, the MEC edge arithmetic unit sends an instruction to the network manager 10 to close the power amplifier module 32 of the radio frequency unit 30 so as to close the power amplifier module 32 through the network manager 10, and if there is a mobile user, in step S5, the MEC edge arithmetic unit sends an instruction to the network manager 10 to open the power amplifier module 32 of the radio frequency unit 30 so as to open the power amplifier module 32 through the network manager 10.
The above examples merely represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications, such as combinations of different features in various embodiments, may be made without departing from the spirit of the invention, and these are within the scope of the invention.
Claims (4)
1. The energy-saving method of the distributed base station is characterized in that the radio frequency unit also comprises a radar detection module connected with the digital processing module, and the energy-saving method comprises the following steps:
the radar detection module detects the distance between the mobile users around the radio frequency unit and the radio frequency unit in real time and outputs the detected distance information to the digital processing module;
the digital processing module outputs the distance information detected by the radar detection module to the baseband unit;
the base band unit receives the distance information output by the digital processing module, compares the received distance information with the maximum coverage range of the radio frequency unit, judges whether a mobile user exists in the coverage range of the radio frequency unit according to the comparison result, and sends an instruction for closing a power amplifier module of the radio frequency unit to the network manager if the mobile user does not exist;
and the network manager closes the power amplifier module according to the instruction sent by the baseband unit for closing the power amplifier module of the radio frequency unit.
2. The energy saving method of the distributed base station according to claim 1, wherein if there is a mobile user, the baseband unit sends an instruction to the network manager to open a power amplifier module of the radio frequency unit; and the network manager opens the power amplifier module according to the instruction sent by the baseband unit for opening the power amplifier module of the radio frequency unit.
3. The power saving method of the distributed base station as claimed in claim 2, wherein the baseband unit comprises an X86 server and an MEC edge arithmetic unit connected to an X86 server;
the X86 server receives the distance information output by the digital processing module and compares the received distance information with the maximum coverage range of the radio frequency unit;
and the MEC edge operation unit judges whether a mobile user exists in the coverage area of the radio frequency unit according to the comparison result of the X86 server, if no mobile user exists, the MEC edge operation unit sends an instruction for closing the power amplification module of the radio frequency unit to the network manager, and if a mobile user exists, the MEC edge operation unit sends an instruction for opening the power amplification module of the radio frequency unit to the network manager.
4. The method of claim 1, wherein the digital processing module is provided with a CPRI interface, and the CPRI interface is connected to the baseband unit.
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| CN202010334394.XA CN111511003A (en) | 2020-04-24 | 2020-04-24 | Energy-saving method for distributed base station |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112543496A (en) * | 2020-12-02 | 2021-03-23 | 深圳国人无线通信有限公司 | Distributed base station and energy-saving method thereof |
| CN112929951A (en) * | 2021-01-25 | 2021-06-08 | 中国联合网络通信集团有限公司 | Energy-saving method and equipment |
| CN113784425A (en) * | 2021-09-23 | 2021-12-10 | 新华三技术有限公司 | Wireless network energy saving method and device |
| WO2023019433A1 (en) * | 2021-08-17 | 2023-02-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and apparatuses for joint optimization of power saving for radio unit |
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| CN112543496A (en) * | 2020-12-02 | 2021-03-23 | 深圳国人无线通信有限公司 | Distributed base station and energy-saving method thereof |
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| CN113784425B (en) * | 2021-09-23 | 2023-05-26 | 新华三技术有限公司 | Wireless network energy saving method and device |
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Application publication date: 20200807 |