WO2024114068A1 - 一种降低无线网络能耗的方法及其相关装置 - Google Patents

一种降低无线网络能耗的方法及其相关装置 Download PDF

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Publication number
WO2024114068A1
WO2024114068A1 PCT/CN2023/121402 CN2023121402W WO2024114068A1 WO 2024114068 A1 WO2024114068 A1 WO 2024114068A1 CN 2023121402 W CN2023121402 W CN 2023121402W WO 2024114068 A1 WO2024114068 A1 WO 2024114068A1
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Prior art keywords
cell
base station
request
load information
information
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PCT/CN2023/121402
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English (en)
French (fr)
Inventor
朱昱
李争峰
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华为技术有限公司
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Publication of WO2024114068A1 publication Critical patent/WO2024114068A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/345—Interference values
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
    • H04W16/10—Dynamic resource partitioning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/52—Allocation or scheduling criteria for wireless resources based on load
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • 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

Definitions

  • the embodiments of the present application relate to the field of communications, and in particular to a method for reducing energy consumption of a wireless network and a related device thereof.
  • LTE long term evolution
  • LTE base stations account for a considerable proportion of all major operators, but the massive LTE base stations also account for a very high proportion of the operators' energy consumption. Therefore, there is an urgent need to further reduce the energy consumption of LTE base stations.
  • multiple spectrums often cover the same area, resulting in an extremely prominent interference problem between LTE cells.
  • the current base station supports the dynamic shutdown algorithm of the cell-specific reference signal (CRS) to achieve deep symbol shutdown, thereby reducing the number of CRS symbols sent and achieving energy saving benefits.
  • CRS cell-specific reference signal
  • CSPC coordinated scheduling based power control
  • PDSCH physical downlink shared channel
  • the dynamic shutdown of the number of CRS symbols can only be performed within the non-continuous transmission period, the energy-saving time is short, and the energy-saving effect is not obvious.
  • CSPC only reduces the interference caused by PDSCH, but does not reduce other interference. Therefore, the gain is limited, affecting the network experience, and the energy-saving benefits are not obvious.
  • the present application provides a method for reducing wireless network energy consumption and related devices, which are applied to network communications in the Internet industry. It can reduce the interference of co-frequency neighboring cells and CRS interference, improve the experience of edge users, and increase the energy saving duration and energy saving depth, with obvious gains, thereby reducing the energy consumption of the entire wireless network, improving energy saving gains and network experience.
  • a method for reducing energy consumption of a wireless network comprising:
  • the first base station receives a first request, which is sent by the second base station based on a measurement report, wherein a first cell to which the first base station belongs is a co-frequency neighboring cell of a second cell to which the second base station belongs, and the measurement report is used to obtain interference information of the first cell to the second cell, and the interference information is used to indicate the degree of interference of the first cell to the second cell.
  • the first base station sends first load information to the second base station based on the first request, where the first load information is used to indicate the load level of the first cell.
  • the first base station receives a second request, where the second request is sent by the second base station based on the interference information and the first load information.
  • the first base station switches the first cell to a carrier aggregation (CA) secondary cell based on the second request and the first load information.
  • CA carrier aggregation
  • the first base station sends a cell reference signal CRS symbol in a maximum of three columns in the target resource block, and the target resource block belongs to the system bandwidth of the first base station, and the number of target resource blocks is less than the total number of resource blocks of the system bandwidth corresponding to the first base station.
  • the second base station obtains interference information of the co-frequency neighboring cell to the second cell from the user end, determines that the first cell is the strongest interference area, and obtains load information of the first cell from the first base station, switches the first cell to a CA secondary cell, and at the same time, when there is no CA secondary cell user activated in the first cell, the first base station performs time domain shutdown and frequency domain shutdown on it, and then sends CRS symbols of up to three columns in the target resource block, further reducing co-frequency interference and CRS interference, increasing edge user experience, and increasing the energy saving duration and energy saving depth of the cell, thereby reducing the energy consumption of the entire wireless network, improving energy saving gains and network experience.
  • the first base station switches the first cell to a secondary cell based on the second request, the first load information, the third cell and the second load information, and the third cell is a different-frequency but same-coverage neighboring cell of the first cell, and the second load information is used to indicate the load level of the third cell.
  • the first base station switches the first cell to a CA secondary cell based on the second request, the first load information, the third cell and the second load information. This increases the application scenarios and the applicability of the solution.
  • the first base station determines the third cell through an inter-frequency neighbor relationship and a same coverage identifier, wherein the inter-frequency neighbor relationship is used to indicate an inter-frequency neighboring area of the first cell, and the same coverage identifier is used to indicate a cell that has an intersection with the coverage range of the third cell.
  • the first base station determines the third cell through inter-frequency measurement.
  • the first base station receives second load information sent by a third base station, and the third base station belongs to a third cell.
  • the third cell which is a neighboring cell with different frequencies but the same coverage as the first cell, is determined in a variety of ways, thereby increasing the application scenarios and selectivity of the solution.
  • the first base station sends a target message, where the target message is used to notify that the current first cell is a CA secondary cell.
  • the first base station sends a target message to prevent users in other cells from switching to the first cell.
  • the first cell is ignored to avoid switching failure.
  • the first base station prohibits sending system messages and paging.
  • the first base station prohibits the sending of system messages and paging, which can reduce working energy consumption and increase energy-saving benefits.
  • a method for reducing energy consumption of a wireless network comprising:
  • the second base station receives a measurement report sent by the user terminal, and the measurement report is used to obtain interference information of the first cell to the second cell.
  • the second cell is a cell corresponding to the second base station
  • the first cell is a cell corresponding to the first base station
  • the first cell is a co-frequency neighboring cell of the second cell
  • the user terminal is connected to the second base station.
  • the second base station sends a first request to the first base station based on the measurement report, where the first request is used to instruct the first base station to determine first load information, and the first load information is used to indicate the load level of the first cell.
  • the second base station receives the first load information sent by the first base station.
  • the second base station sends a second request to the first base station based on the interference information and the first load information, where the second request is used to instruct the first base station to switch the second cell to a CA secondary cell.
  • the second base station sends a second request to a base station based on the interference information and the first load information, so that after the first base station switches the first cell to a CA secondary cell based on the second request and the first load information, the time domain shutdown and frequency domain shutdown of the deep symbols can be implemented according to the status of the CA secondary cell user, thereby reducing the co-channel interference and CRS interference between cells, improving the edge user experience, and increasing the energy saving duration and energy saving depth of the cell, thereby reducing the energy consumption of the entire wireless network, and improving the energy saving gain and network experience.
  • the second base station receives a target message sent by the first base station, where the target message is used to notify that the current first cell is a CA secondary cell.
  • the second base station receives the target message to prevent users in other cells from switching to the first cell.
  • the first cell is ignored to avoid switching failure.
  • a base station which has the function of implementing the method of the first aspect or any possible implementation of the first aspect.
  • the function can be implemented by hardware, or by hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the base station of the third aspect executes the method described in the first aspect of the present application or any possible implementation manner of the first aspect.
  • a base station which has the function of implementing the method of the second aspect or any possible implementation of the second aspect.
  • the function can be implemented by hardware, or by hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the base station of the fourth aspect executes the method described in the second aspect of the present application or any possible implementation manner of the second aspect.
  • a communication device which may include a processor coupled to a memory, wherein the memory is used to store instructions.
  • the processor is used to execute the instructions in the memory so that the communication device executes the method described in the first aspect of the present application or any possible implementation of the first aspect, or executes the method described in the second aspect of the present application or any possible implementation of the second aspect.
  • another communication device comprising a processor for executing a computer program (or computer executable instructions) stored in a memory.
  • a computer program or computer executable instructions stored in a memory.
  • the processor and the memory are integrated together;
  • the memory is located outside the communication device.
  • the communication device also includes a communication interface, which is used for the communication device to communicate with other devices, such as sending or receiving data and/or signals.
  • the communication interface can be a transceiver, circuit, bus, module or other type of communication interface.
  • the seventh aspect provides a computer-readable storage medium, including computer-readable instructions.
  • the computer-readable instructions When the computer-readable instructions are run on a computer, the method described in the first aspect, any possible implementation of the first aspect, the second aspect, or any possible implementation of the second aspect of the present application is executed.
  • a computer program product comprising computer-readable instructions.
  • the computer-readable instructions When the computer-readable instructions are run on a computer, the method described in the first aspect, any possible implementation of the first aspect, the second aspect, and any possible implementation of the second aspect of the present application is executed.
  • FIG. 1a is a schematic diagram of a subframe in which a CRS symbol is completely transmitted
  • FIG1b is a schematic diagram of transmitting CRS symbols in a subframe that meets the CRS time domain shut-off decision condition
  • FIG2 is a schematic diagram of a method for reducing energy consumption of a wireless network provided by an embodiment of the present application
  • FIG3 is a schematic diagram of the architecture of a base station according to an embodiment of the present application.
  • FIG4 is a schematic diagram of the process of A3 measurement provided in an embodiment of the present application.
  • FIG5 is a schematic diagram of a flow chart of SRS measurement provided in an embodiment of the present application.
  • FIG6 is a schematic diagram of transmitting cell load information between cells on the same frequency according to an embodiment of the present application.
  • FIG7 is a schematic diagram of a request for transmission switching of a CA secondary cell provided in an embodiment of the present application.
  • FIG8 is a schematic diagram of a process of switching a CA secondary cell provided in an embodiment of the present application.
  • FIG9 is a schematic diagram showing that CRS is not turned off in a subframe provided in an embodiment of the present application.
  • FIG10 is a schematic diagram of a time-domain turned-off CRS symbol provided in an embodiment of the present application.
  • FIG11 is a schematic diagram of a frequency domain turned-off CRS symbol provided in an embodiment of the present application.
  • FIG12 is a schematic diagram of frequency domain shut-off and time domain shut-off CRS symbols provided in an embodiment of the present application.
  • FIG13 is a schematic diagram of sending target information provided in an embodiment of the present application.
  • FIG14 is a schematic diagram of an application scenario of multi-frequency networking provided in an embodiment of the present application.
  • FIG15 is a schematic diagram of a structure of a base station provided in an embodiment of the present application.
  • FIG16 is another schematic diagram of the structure of a base station provided in an embodiment of the present application.
  • FIG17 is a schematic diagram of the structure of a communication device provided in an embodiment of the present application.
  • the embodiment of the present application provides a method for reducing base station energy consumption and a related device thereof, which are applied to network communications in the Internet industry.
  • the interference level between cells is reduced, the edge user experience is improved, and the energy saving duration and energy saving depth of the cell are increased, thereby reducing the energy consumption of the entire wireless network, improving energy saving gains and network experience.
  • the current base station supports a CRS dynamic shutdown algorithm, which is mainly based on the user terminal's measurement behavior of CRS (the user terminal connected to the base station in its cell enables discontinuous transmission). It does not require the complete transmission of CRS in all downlink subframes. When the transmission is complete, 4 CRS symbols are sent in each subframe. For subframes that meet the CRS time domain shutdown decision conditions, part of the CRS symbols at position 4, position 7 and/or position 11 in the subframe shown in the example of Figure 1a are turned off.
  • 1 CRS is sent in each subframe, specifically the CRS symbol shown in position 0 in the example of Figure 1b, where Figure 1a is a schematic diagram of a subframe sending a complete CRS symbol, and Figure 1b is a schematic diagram of a subframe sending a CRS symbol that meets the CRS time domain shutdown decision conditions.
  • a subframe that meets the CRS time domain shutdown decision condition can send only one CRS symbol, it can only be performed in a discontinuous transmission period, the energy saving time is short, and the energy saving effect is not obvious.
  • the CSPC feature is a feature that coordinates the transmission power of each cell in the time domain.
  • the transmission power of PDSCH data on resource elements is coordinated according to their respective scheduling requirements in each basic time unit (transmission time interval, TTI) of dynamically scheduled resources.
  • TTI transmission time interval
  • the embodiment of the present application first provides a method for reducing wireless network energy consumption and a related device thereof, which are applied in the field of Internet communications.
  • the second base station receives a measurement report sent by the user terminal, and the measurement report obtains interference information of the first cell to the second cell, and then the first base station receives a first request sent by the second base station based on the measurement report, and the first cell to which the first base station belongs is the same frequency neighboring area described by the second base station. And the first base station sends first load information to the second base station based on the first request, and the first load information is used to indicate the load level of the first cell. Then the first base station receives the second request sent, and the second request is sent by the second base station based on the interference information and the first load information, and the interference information is used to indicate the interference level of the first cell to the second cell.
  • the first base station switches the first cell to a CA secondary cell based on the second request and the first load information. And when there is no CA secondary cell user activated in the first cell, the first base station sends the CRS symbol at position 0 in the subframe in the target resource block, and the target resource block belongs to a resource block in the system bandwidth of the first base station, and the number of target resource blocks is less than the total number of resource blocks in the system bandwidth corresponding to the first base station.
  • Switching the first cell that strongly interferes with the second cell to a CA secondary cell can reduce the interference between cells, improve the user experience of edge users, and turn off the CRS from the time domain and frequency domain dimensions at the same time, reducing interference while increasing the energy saving duration and depth of the cell, thereby reducing the energy consumption of the entire wireless network.
  • FIG. 2 is a schematic diagram of a method for reducing wireless network energy consumption provided by an embodiment of the present application. Specifically, it includes:
  • the user terminal sends a measurement report to the second base station.
  • the second base station receives a measurement report sent by the user terminal, wherein the measurement report obtains interference information of the first cell to the second cell, the second cell is the cell corresponding to the second base station, the first cell is the cell corresponding to the first base station, the first cell is a co-frequency neighboring cell of the second cell, and the user terminal is connected to the second base station in the second cell.
  • the second base station can obtain the degree of interference of the user terminal in the second cell to the co-frequency neighboring area through measurement reports such as A3 and sounding reference signal (SRS) sent by the user terminal of the second cell.
  • SRS sounding reference signal
  • Figure 3 is a schematic diagram of the architecture of the base station adopted by the embodiment of the present application.
  • the second base station includes a measurement management module, an information interaction module and a strategy evaluation module.
  • the first base station may also include a hetero-frequency coverage judgment module for determining hetero-frequency co-coverage neighboring areas.
  • the measurement management module can execute step A1.
  • a measurement report is obtained through A3 measurement, which is specifically implemented as shown in the example of FIG4 , which is a schematic diagram of the A3 measurement process provided in an embodiment of the present application. Specifically:
  • Step 401 The measurement association module of the base station configures an A3 measurement event for the user terminal.
  • Step 402 After the user terminal meets the A3 condition, it reports a measurement report, that is, the user terminal sends a measurement report to the second base station.
  • Step 403 The base station determines whether the received A3 measurement report meets the A3 condition according to the threshold. If not, the base station continues to execute step 402. If yes, the base station executes the following step 404.
  • Step 404 The base station constructs an A3 measurement set. Specifically, the measurement management module periodically sorts the number of A3 measurement reports received from each co-frequency neighboring area of the second cell, and maintains an interference neighboring area set, i.e., interference information. The more A3 measurement reports received from a co-frequency neighboring area, the stronger the interference.
  • the interference is evaluated by obtaining a measurement report through SRS measurement, which is specifically implemented as shown in the example of FIG5 , which is a schematic diagram of the SRS measurement process provided in an embodiment of the present application. Specifically, as follows:
  • Step 501 The measurement association module of the base station configures an SRS measurement event for the user terminal.
  • Step 502 The user terminal reports a measurement report, that is, the user terminal sends a measurement report to the second base station.
  • Step 503 The base station determines whether the received measurement report meets the A3 condition according to the threshold. If not, the base station continues to execute step 502. If yes, the base station executes the following step 504.
  • Step 504 The base station constructs an SRS measurement set. Specifically, the measurement management module periodically sorts the number of measurement reports received from each co-frequency neighboring cell of the second cell, and maintains an interference neighboring cell set, i.e., interference information. The more measurement reports received from a co-frequency neighboring cell, the stronger the interference.
  • the measurement report is obtained by evaluating the interference through A3 measurement or SRS measurement, which reflects the diversity and selectivity of the scheme.
  • the second base station sends a first request to the first base station based on the measurement report.
  • the second base station sends a first request to the first base station based on the received measurement report, where the first request is used to instruct the first base station to determine first load information, where the first load information is used to indicate a load level of the first cell.
  • the first base station After receiving the first request, the first base station determines the load condition of the first cell, obtains first load information and then performs the following step A3. Specifically:
  • the first base station sends first load information to the second base station.
  • the first base station sends the first load information to the second base station based on the first request, so as to inform the first base station of the load status of the second base station.
  • an example of sending the first load information please refer to the example of Figure 6, which is a schematic diagram of transmitting cell load information between co-frequency cells provided in an embodiment of the present application, wherein the LTE service cell, i.e., the second cell, sends a load subscription request, i.e., the first request, to the LTE co-frequency cell, i.e., the first cell, and then the LTE co-frequency cell sends a load report, i.e., the first load information, to the LTE service cell.
  • the LTE service cell i.e., the second cell
  • a load subscription request i.e., the first request
  • the LTE co-frequency cell i.e., the first cell
  • a load report i.e., the first load information
  • FIG6 is only used as an example to understand the acquisition of load information of the same-frequency cell, and does not substantially limit the present solution. It may also be other requests, which are not specifically limited here.
  • the first base station After obtaining the first load information, the first base station performs the following step A4:
  • the second base station sends a second request to the first base station.
  • the second base station sends a second request to the first base station based on the interference information and the first load information, where the second request is used to instruct the first base station to switch the second cell to a CA secondary cell.
  • FIG. 7 is a schematic diagram of a request for transmitting a CA secondary cell switch provided in an embodiment of the present application, wherein the LTE service cell, i.e., the second cell, sends a CA secondary cell switch request (switch scell request) to the LTE intra-frequency cell, i.e., the first cell, and the LTE service cell receives a CA secondary cell switch response message (switch scell respond) sent by the LTE intra-frequency cell.
  • the LTE service cell i.e., the second cell
  • the LTE service cell receives a CA secondary cell switch response message (switch scell respond) sent by the LTE intra-frequency cell.
  • the second request can also be transmitted to the intra-frequency cell, i.e., the first base station, in other forms, which are not specifically limited here.
  • the first base station after receiving the second request, performs the following step A7 to switch the first cell to a CA secondary cell, which is as follows:
  • the first base station switches the first cell to a CA secondary cell based on the second request, the first load information and/or the third cell and the second load information.
  • the first base station switches the first cell to a CA secondary cell based on the second request and the first load information.
  • the first base station receives the second request and the first load information sent by the second base station. If the first load information meets the threshold, the first cell is switched to the CA secondary cell. Specifically, the first base station prohibits new users from accessing, and transmits a prohibition on user switching such as an identifier through the inter-station X2 interface, thereby prohibiting users in neighboring areas from switching to the first cell. And the users in the first cell are switched to other cells.
  • the first cell is switched to the CA secondary carrier state, i.e., the CA secondary cell. If the user migration is unsuccessful, the switching is stopped.
  • the first base station switches the first cell to a CA secondary cell based on the second request, the first load information, the third cell and the second load information.
  • the third cell is a different-frequency but same-coverage neighboring cell of the first cell, and its second load information is used to indicate the load level of the third cell.
  • the first base station determines the third cell through the heterogeneous frequency neighbor relationship and the same coverage identifier, and receives the second load information sent by the third base station, the third base station belongs to the third cell, and the heterogeneous frequency neighbor relationship is used to indicate the heterogeneous frequency neighbor area of the first cell, and the same coverage identifier is used to indicate the cell that has an intersection with the coverage range of the third cell.
  • step A5 and step A6 in Figure 2 that is, after step A4 and before step A7, step A5 and step A6 are also included, which are specifically as follows:
  • the first base station determines the third cell through an inter-frequency strategy or inter-frequency neighbor cell learning.
  • the first base station determines the third cell through inter-frequency measurement or inter-frequency neighbor cell learning.
  • the heterofrequency coverage judgment module in the example of FIG. 3 can be used to execute step A5.
  • the heterofrequency neighboring area relationship and the same coverage identifier of the first cell and the basic cell it is used to determine whether there is a heterofrequency neighboring area and whether it is a same coverage relationship, and the heterofrequency neighboring area with the same coverage identifier is determined as a heterofrequency same coverage neighboring area.
  • the third cell is determined to be the heterofrequency neighboring area of the first cell, and the third cell carries the same same coverage identifier as the first cell, then the third cell is determined to be a heterofrequency same coverage neighboring area.
  • the heterofrequency neighboring relationship can be determined when the network is deployed, or carried by the first base station.
  • the aforementioned same coverage identifier can be letters, numbers, characters, Chinese characters or cell identifiers, etc., which can be determined according to the actual situation in actual situations, and are not limited here.
  • the heterofrequency coverage judgment module learns heterofrequency same-coverage neighboring areas through heterofrequency neighboring areas. After the feature is activated, heterofrequency measurement of same-coverage neighboring area learning is initiated for the first cell.
  • the heterofrequency neighboring area learning structure is used to determine whether there are heterofrequency same-coverage neighboring areas, and to determine that the learned third cell is a heterofrequency same-coverage neighboring area.
  • the third cell which is a neighboring cell with different frequencies but the same coverage as the first cell, is determined in a variety of ways, thereby increasing the application scenarios and selectivity of the solution.
  • the third base station sends second load information to the first base station.
  • the third base station sends the second load information to the first base station, where the third base station belongs to a third cell, that is, the second load information is used to indicate the load level of the third cell.
  • the first base station executes step A7. Specifically, the second base station switches the first cell to a CA secondary cell based on the second request, the first load information, the third cell and the second load information.
  • the first base station determines that it has received the second request sent by the second base station, and the first load information satisfies the threshold, and determines that there is a third cell with different frequency and same coverage of the first cell, and the second load information satisfies the threshold, then the first base station switches the first cell to a CA secondary cell.
  • Figure 8 is a schematic diagram of a process of switching a CA secondary cell provided in an embodiment of the present application. Including:
  • Step 801 The first base station determines that there is a neighboring cell with different frequencies but the same coverage, namely, a third cell.
  • Step 802 The first base station prohibits new users from accessing and switching in. Specifically, new users are prohibited from accessing the first cell, and a user switching prohibition flag is transmitted through the inter-base X2 interface, thereby prohibiting users in neighboring cells from switching into the first cell.
  • Step 803 Determine whether the number of users in the first cell is 0. If the number of users is 0, execute step 807 to switch the first cell to a CA secondary cell. If there are still users, execute step 806.
  • Step 804 Perform user switching, that is, switch users in the first cell to other cells.
  • Step 805 The number of users in the first cell is less than or equal to the threshold. Specifically, when the user migration is successful and the number of users is less than or equal to the set threshold, step 807 is executed to switch the first cell to the CA secondary carrier state, i.e., the CA secondary cell. If the user migration is unsuccessful and the number of remaining users is greater than the threshold, step 806 is executed to stop the switching.
  • Step 806 Stop switching to the CA secondary cell.
  • Step 807 Switch the first cell to a CA secondary carrier state, that is, a CA secondary cell.
  • the first base station switches the first cell to a CA secondary cell based on the second request, the first load information, the third cell and the second load information. This increases the application scenarios and the applicability of the solution.
  • step A8 which is specifically as follows:
  • the first base station sends a CRS symbol at a position in the target resource block.
  • the first base station When there is no CA secondary cell user activated in the first cell, the first base station sends CRS symbols in up to three columns in the target resource block, and its target resource block belongs to the system bandwidth of the first base station, and the number of target resource blocks is less than the total number of resource blocks of the system bandwidth corresponding to the first base station.
  • Time domain is not turned off, frequency domain is not turned off. That is, the depth symbol of the subframe is not turned off, and the subframe is transmitted normally.
  • FIG. 9 is a schematic diagram of CRS not being turned off in a subframe provided in an embodiment of the present application.
  • State 2 Time domain shutdown.
  • part of the CRS symbols in columns 4, 7, and/or 11 in the subframe can be shut down by the time domain shutdown technology, as shown in the example of FIG10, which is a schematic diagram of the time domain shutdown CRS symbol provided in an embodiment of the present application.
  • the frequency domain shutdown technology can be used to send CRS symbols only in the 6 resource blocks in the middle of the system bandwidth, and the remaining resource blocks are not sent, thereby reducing the interference of CRS to neighboring cells.
  • Figure 11 is a schematic diagram of frequency domain shutdown CRS symbols provided in an embodiment of the present application, wherein in a normal state, CRS symbols are normally sent in 100 resource blocks. After executing the frequency domain shutdown, CRS symbols are only sent in the 6 resource blocks in the middle of the system bandwidth.
  • State 4 Time domain shutdown and frequency domain shutdown.
  • CRS symbols are only sent in a certain number of resource blocks, and part of the CRS symbols in column 4, column 7 and/or column 11 in the subframe that meets the characteristic effectiveness judgment condition is turned off, thereby further reducing interference.
  • Figure 12 is a schematic diagram of frequency domain shutdown and time domain shutdown of CRS symbols provided in an embodiment of the present application.
  • the time domain shutdown is performed, and the CRS symbols in column 4, column 7 and/or column 11 can be turned off, and the frequency domain shutdown is performed, that is, the CRS symbol in column 0 is sent in the 6 resource blocks in the middle of the system bandwidth, or the CRS symbol in column 0 and column 4, or the CRS symbol in column 0 and column 7, or the CRS symbol in column 0 and column 11, etc.
  • the number of CRS symbols sent is less than the total number of resource blocks in the system bandwidth of the first base station, and the specific number can be determined according to the actual situation, and in the time domain shutdown, at least one column of CRS symbols can be turned off, which is not limited here.
  • the first base station when there is no CA secondary cell user activated in the first cell, the first base station sends CRS symbols in at most three columns in the target resource block, as shown in the example of FIG. 12 , which can significantly reduce CRS interference and increase energy saving benefits.
  • the first base station further performs step A9, which is specifically as follows:
  • the first base station sends a target message.
  • the first base station sends target information, where the target information is used to use the current first cell as a CA secondary cell. Specifically, the first base station sends the target message to all neighboring cells to prevent other cells from handing over users to the first cell.
  • FIG. 13 is a schematic diagram of the target information sent according to an embodiment of the present application, wherein the LTE intra-frequency cell, i.e., the first cell, sends a user switching prohibited (uesr switch forbidden) message to the LTE service cell, i.e., the second cell (corresponding to step 802 in the aforementioned FIG. 8 prohibiting the user terminal from switching to the first cell).
  • the LTE service cell After receiving the message, the LTE service cell no longer switches the user to the LTE intra-frequency cell, and senses that the LTE intra-frequency cell is currently a CA secondary cell.
  • the LTE intra-frequency cell After the LTE intra-frequency cell switches to become a CA secondary cell, the LTE intra-frequency cell also sends a secondary cell switching success (cell switch scell success) message to the LTE service cell to notify the LTE service cell that the LTE intra-frequency cell is currently a CA secondary cell.
  • a secondary cell switching success cell switch scell success
  • the first base station sends a target message to prevent users in other cells from switching to the first cell.
  • the first cell is ignored to avoid switching failure.
  • the first base station after the first cell is switched to a CA secondary cell, the first base station prohibits sending system messages and paging, which can reduce working energy consumption and increase energy-saving benefits.
  • Figure 14 is a schematic diagram of an application scenario of a multi-frequency network provided in the embodiments of the present application.
  • the benefited cells cell3, the benefited cells cell2 and the energy-saving cell cell1 are first measured by the measurement management module in the base station A3, and the A3 measurement neighboring area set is maintained. Then, the information interaction module of the base station corresponding to each cell transmits the load information of the strong interference neighboring area, and then the policy evaluation module of the energy-saving cell performs cell morphology evaluation.
  • the hetero-frequency coverage judgment module of the energy-saving cell determines that there are hetero-frequency co-coverage neighboring areas, and obtains the load information of the hetero-frequency co-coverage neighboring areas, and switches the energy-saving cell to a CA secondary cell on this basis, and then performs a shutdown strategy evaluation.
  • the time domain shutdown and frequency domain shutdown of the deep symbol of the energy-saving cell are effective, so as to reduce the co-frequency interference and CRS interference as much as possible, and improve the experience of edge users. It can also increase the energy-saving duration and energy-saving depth of the cell, thereby reducing the energy consumption of the entire wireless network, and improving the energy-saving gain and network experience.
  • the second base station obtains interference information of the same-frequency neighboring cell to the second cell from the user end, determines that the first cell is the strongest interference area, and obtains the load information of the first cell from the first base station, switches the first cell to a CA secondary cell, and at the same time, when there is no CA secondary cell user activated in the first cell, the first base station performs time domain shutdown and frequency domain shutdown on it, and then sends CRS symbols of up to three columns in the target resource block, further reducing co-frequency interference and CRS interference, increasing edge user experience, and increasing the energy saving duration and energy saving depth of the cell, thereby reducing the energy consumption of the entire wireless network, improving energy saving gains and network experience.
  • the base station may include a hardware structure and/or a software module, and implement the above functions in the form of a hardware structure, a software module, or a hardware structure plus a software module. Whether a function of the above functions is executed in the form of a hardware structure, a software module, or a hardware structure plus a software module depends on the specific application and design constraints of the technical solution.
  • Figure 15 is a structural schematic diagram of a base station provided in an embodiment of the present application.
  • the base station may include a module or unit corresponding to the method/operation/step/action corresponding to the first base station in Figure 2 in the above method embodiment.
  • the unit may be a hardware circuit, or software, or a hardware circuit combined with software.
  • the base station 1500 may include: a receiving unit 1501, a processing unit 1502, and a sending unit 1503.
  • the receiving unit 1501 can be used to perform the steps of receiving a first request and receiving a second request in the above method embodiment
  • the processing unit 1502 can be used to perform the steps of switching the first cell to a CA secondary cell based on the second request and the first load information in the above method embodiment
  • the sending unit 1503 can be used to perform the steps of sending the first load information to the second base station in the above method embodiment and sending CRS symbols in up to three columns in the target resource block.
  • the receiving unit 1501 receives a first request, which is sent by the second base station based on a measurement report, and the measurement message is used to obtain interference information of the first cell to the second cell. Then, the sending unit 1503 sends first load information to the second base station based on the first request to indicate the load level of the first cell, and the receiving unit 1501 also receives a second request, which is sent by the second base station based on interference information and the first load information.
  • the processing unit 1502 switches the first cell to a CA secondary cell based on the second request and the first load information, and when there is no CA secondary cell user activated in the first cell, the sending unit 1503 sends CRS symbols of up to three columns in the target resource block, and the target resource block belongs to the system bandwidth, and the number of target resource blocks is less than the total number of resource blocks of the system bandwidth.
  • sending CRS symbols of up to three columns in the target resource block realizes the time domain shutdown and frequency domain shutdown of the deep symbol, thereby reducing the co-channel interference and CRS interference between cells, improving the edge user experience, and increasing the energy saving duration and energy saving depth of the cell, thereby reducing the energy consumption of the entire wireless network, improving the energy saving gain and network experience.
  • the above-mentioned receiving unit 1501, processing unit 1502 and sending unit 1503 can execute the methods/operations/steps/actions in various possible implementation methods of the first base station in the above-mentioned method embodiment one by one.
  • the above-mentioned receiving unit 1501 is specifically used to switch the first cell to a CA secondary cell based on the second request, the first load information, the third cell and the second load information, wherein the third cell is a heterodyne cell with the same coverage of the first cell, and its second load information is used to indicate the load level of the third cell.
  • the above-mentioned processing unit 1502 is also used to determine the third cell through inter-frequency neighbor relations and same-coverage identifiers before the first base station switches the first cell to a CA secondary cell based on the second request, the first load information, the third cell and the second load information, wherein the inter-frequency neighbor relations are used to indicate the inter-frequency neighboring areas of the first cell, and the same-coverage identifier is used to indicate cells that have an intersection with the coverage range of the third cell.
  • the processing unit 1502 is further configured to determine the third cell through inter-frequency measurement.
  • the receiving unit 1501 is further configured to receive second load information sent by a third base station, where the third base station belongs to a third cell.
  • the sending unit 1503 is further used to send a target message after switching the first cell to a CA secondary cell, where the target message is used to notify that the current first cell is a CA secondary cell.
  • the processing unit 1502 is also used to prohibit the sending of system messages and paging.
  • an embodiment of the present application also provides a base station, which is applied to the Internet industry. Please refer to Figure 16 for details.
  • Figure 16 is another structural schematic diagram of the base station provided in an embodiment of the present application.
  • the base station may include a module or unit that corresponds to the method/operation/step/action corresponding to the second base station in Figure 2 in the above method embodiment.
  • the unit may be a hardware circuit, or software, or a hardware circuit combined with software.
  • the base station 1600 may include: a receiving unit 1601 and a sending unit 1602.
  • the receiving unit 1601 can be used to perform the steps of receiving a measurement report sent by the user terminal and receiving the first load information in the above method embodiment, and the sending unit 1602 can be used to perform the steps of sending a first request and sending a second request in the above method embodiment.
  • the receiving unit 1601 receives a measurement report sent by the user end, and the measurement report is used to obtain interference information of the first cell to the second cell, the second cell is the cell corresponding to the second base station, the first cell is the cell corresponding to the first key value, the first cell is the co-frequency neighboring area of the second cell, and the user end is connected to the second base station. Then the sending unit 1602 sends a first request to the first base station based on the measurement report, and the first request is used to instruct the first base station to determine the first load information, and the first load information is used to indicate the load level of the first cell.
  • the receiving unit 1601 receives the first load information sent by the first base station, and the sending unit sends a second request to the first base station based on the interference information and the first load information, and the second request is used to instruct the first base station to switch the second cell to a CA auxiliary cell.
  • the time domain shutdown and frequency domain shutdown of the deep symbol can be realized according to the status of the CA auxiliary cell user, thereby reducing the co-frequency interference and CRS interference between cells, improving the edge user experience, and increasing the energy saving duration and energy saving depth of the cell, thereby reducing the energy consumption of the entire wireless network, improving the energy saving gain and network experience.
  • the above-mentioned receiving unit 1601 and the sending unit 1602 can execute the methods/operations/steps/actions in various possible implementation methods of the second base station in the above-mentioned method embodiment one by one.
  • the above-mentioned receiving unit 1601 is also used to receive a target message sent by the first base station, and the target message is used to notify that the current first cell is a CA secondary cell.
  • each functional module or unit in each embodiment of the present application may be integrated into one processor, or may exist physically separately, or two or more modules or units may be integrated into one module or unit.
  • the above-mentioned integrated modules or units may be implemented in the form of hardware or in the form of software functional modules.
  • FIG. 17 is a schematic diagram of the structure of a communication device provided by an embodiment of the present application.
  • the communication device 1700 may be a base station corresponding to the embodiment in FIG. 15 or FIG. 16, and is used to implement the functions of the base station in FIG. 15 or FIG. 16.
  • the communication device 1700 is implemented by one or more servers.
  • the communication device 1700 may have relatively large differences due to different configurations or performances, and may include one or more central processing units (CPU) 1722 (for example, one or more central processing units) and a memory 1732, and one or more storage media 1730 (for example, one or more storage devices).
  • CPU central processing units
  • storage media 1730 for example, one or more storage devices.
  • the memory 1732 and the storage medium 1730 may be temporary storage or permanent storage.
  • the program stored in the storage medium 1730 may include one or more modules (not shown in the figure), and each module may include a series of instruction operations in the communication device 1700.
  • the central processor 1722 may be configured to communicate with the storage medium 1730 and execute a series of instruction operations in the storage medium 1730 on the communication device 1700 .
  • the communication device 1700 may also include one or more power supplies 1726 , one or more wired or wireless network interfaces 1750 , and/or one or more input/output interfaces 1758 .
  • the central processor 1722 is used to execute the method executed by the first base station in the embodiment corresponding to Figure 2.
  • the central processor 1722 can be used to: receive a first request, the first request is sent by the second base station based on the measurement report, and the first cell to which the communication device 1700 belongs is the same frequency neighboring area of the second cell to which the second base station belongs, and the measurement report is used to obtain the interference information of the first cell to the second cell, and the interference information is used to indicate the interference degree of the first cell to the second cell.
  • the first load information is sent to the second base station, and the first load information is used to indicate the load degree of the first cell.
  • the second request is sent by the second base station based on the interference information and the first load information. Then, based on the second request and the first load information, the first cell is switched to a CA secondary cell. And, in the case where there is no CA secondary cell user activated in the first cell, CRS symbols of up to three columns are sent in the target resource block, and the target resource block belongs to the system bandwidth of the first base station, and the number of target resource blocks is less than the total number of resource blocks of the system bandwidth corresponding to the first base station.
  • CRS symbols of up to three columns are sent in the target resource block, realizing time domain and frequency domain shutdown of deep symbols, thereby reducing co-channel interference and CRS interference between cells, improving edge user experience, and increasing the energy-saving duration and energy-saving depth of the cell, thereby reducing the energy consumption of the entire wireless network, improving energy-saving gains and network experience.
  • the central processor 1722 is used to execute the method executed by the second base station in the embodiment corresponding to FIG. 2.
  • the central processor 1722 can be used to: receive a measurement report sent by the user terminal, wherein the measurement report is used to obtain interference information of the first cell to the second cell, wherein the second cell is the cell corresponding to the second base station, the first cell is the cell corresponding to the first key value, and the first cell is the co-frequency neighboring cell of the second cell, and the user terminal is connected to the second base station.
  • a first request is sent to the first base station, and the first request is used to instruct the first base station to determine the first load information, and the first load information is used to indicate the load level of the first cell.
  • the first load information sent by the first base station is received, and the sending unit sends a second request to the first base station based on the interference information and the first load information, and the second request is used to instruct the first base station to switch the second cell to a CA auxiliary cell.
  • the time domain shutdown and frequency domain shutdown of the deep symbol can be realized according to the status of the CA auxiliary cell user, thereby reducing the co-frequency interference and CRS interference between cells, improving the edge user experience, and increasing the energy saving duration and energy saving depth of the cell, thereby reducing the energy consumption of the entire wireless network, improving the energy saving gain and network experience.
  • Another communication device includes a processor, which is coupled to a memory, the memory stores instructions, and the processor is used to execute the instructions so that the communication device executes any one of the implementation methods shown in the aforementioned method embodiments.
  • An embodiment of the present application also provides a computer-readable storage medium, including computer-readable instructions.
  • the computer-readable instructions When the computer-readable instructions are executed on a computer, the computer executes any one of the implementation methods shown in the aforementioned method embodiments.
  • the embodiments of the present application also provide a computer program product, which includes a computer program or instructions.
  • a computer program product which includes a computer program or instructions.
  • the computer program or instructions When the computer program or instructions are executed on a computer, the computer executes any one of the implementation methods shown in the aforementioned method embodiments.
  • the present application also provides a chip or chip system, which may include a processor.
  • the chip may also include a memory (or storage module) and/or a transceiver (or communication module), or the chip is coupled to a memory (or storage module) and/or a transceiver (or communication module), wherein the transceiver (or communication module) can be used to support the chip for wired and/or wireless communication, and the memory (or storage module) can be used to store a program or a set of instructions, and the processor calls the program or the set of instructions to implement the above method embodiment, the operation performed by the terminal or the communication device in any possible implementation of the method embodiment.
  • the chip system may include the above chip, and may also include the above chip and other separate devices, such as a memory (or storage module) and/or a transceiver (or communication module).
  • the above-described device embodiments are merely illustrative, and the units described as separate components may be Or they may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment.
  • the connection relationship between the modules indicates that there is a communication connection between them, which can be specifically implemented as one or more communication buses or signal lines.
  • the technical solution of the present application is essentially or the part that contributes to the prior art can be embodied in the form of a software product, which is stored in a readable storage medium, such as a computer floppy disk, a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a disk or an optical disk, etc., including a number of instructions for a computer device (which can be a personal computer, a training device, or a communication device, etc.) to execute the methods of each embodiment of the present application.
  • a computer device which can be a personal computer, a training device, or a communication device, etc.
  • all or part of the embodiments may be implemented by software, hardware, firmware or any combination thereof.
  • all or part of the embodiments may be implemented in the form of a computer program product.
  • the computer program product includes one or more computer instructions.
  • the computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
  • the computer instructions can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer instructions can be transmitted from a website site, a computer, a training device or a data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line) or wireless (e.g., infrared, wireless, microwave, etc.) mode to another website site, computer, training device or data center.
  • wired e.g., coaxial cable, optical fiber, digital subscriber line
  • wireless e.g., infrared, wireless, microwave, etc.
  • the computer-readable storage medium can be any available medium that a computer can store or a data storage device such as a training device, a data center, etc. that includes one or more available media integration.
  • the available medium can be a magnetic medium, (e.g., a floppy disk, a hard disk, a tape), an optical medium (e.g., a high-density digital video disc (digital video disc, DVD)), or a semiconductor medium (e.g., a solid state drive (solid state drive, SSD)), etc.

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Abstract

本申请公开一种降低无线网络能耗方法及其相关装置，应用于互联网行业网络通信中。包括：第一基站接收第一请求，该第一请求由第二基站基于测量报告发送，测量报告用于得到第一小区对第二小区的干扰信息。基于第一请求向第二基站发送第一负载信息，第一负载信息用于指示第一小区的负载程度。接收第二请求，该第二请求由第二基站基于干扰信息以及第一负载信息发送。然后，基于第二请求以及第一负载信息切换第一小区为CA辅小区。且在第一小区无CA辅小区用户激活的情况下，在目标资源块中发送至多三列位置的CRS符号，该目标资源块属于第一基站系统带宽，且目标资源块的数量小于第一基站对应的系统带宽的资源块的总数，降低了干扰且明显增加了节能收益。

Description

一种降低无线网络能耗的方法及其相关装置
本申请要求于2022年11月30日提交中国专利局、申请号为CN202211530081.7、申请名称为“一种降低无线网络能耗的方法及其相关装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及通信领域，尤其涉及一种降低无线网络能耗的方法及其相关装置。
背景技术
随着通信技术的演进和移动带宽业务时代的到来，长期演进(long term evolution，LTE)已经成为主流的无线通信制式，承载着大量的数据和语音业务。LTE基站在各大运营商都占据相当高的比例，但是海量的LTE基站在运营商能耗中的占比也非常高，因此目前迫切希望能进一步降低LTE基站的能耗。且在LTE网络中，往往多个频谱覆盖同一片区域，导致LTE小区间的干扰问题异常突出。
当前基站支持小区参考信号(cell-specific reference signal，CRS)动态关断算法实现深度符号关断，以此减少发送的CRS符号，能节能收益。另外，当前采用协同调度功控(coordinated scheduling based power control，CSPC)在时域上对每个小区的发送功率进行协调，具体的在同一时间一个小区发物理下行共享通道(physical downlink shared channel，PDSCH)数据、相邻小区不发生PDSCH数据，进而降低干扰。
但是采用CRS动态关断符号数目只能在非连续发送周期内执行，节能时间较短，节能效果不明显，且通过CSPC只降低了PDSCH造成的干扰，并没有降低其他的干扰，因此增益有限，影响网络体验，且节能收益不明显。
发明内容
本申请提供了一种降低无线网络能耗的方法及其相关装置，应用于互联网行业网络通信中。可以降低同频邻区的干扰以及CRS的干扰，提高边缘用户的体验感，且能增加节能时长以及节能深度，增益明显，从而减少整个无线网络的能耗，提高节能增益以及网络体验。
第一方面，提供了一种降低无线网络能耗的方法，包括：
第一基站接收第一请求，该第一请求由第二基站基于测量报告发送。其中，第一基站所属的第一小区为第二基站所属的第二小区的同频邻区，且测量报告用于得到第一小区对第二小区的干扰信息，该干扰信息用于指示第一小区对第二小区的干扰程度。
然后，第一基站基于第一请求向第二基站发送第一负载信息，该第一负载信息用于指示第一小区的负载程度。
接着，第一基站接收第二请求，该第二请求由第二基站基于干扰信息以及第一负载信息发送。
然后，第一基站基于第二请求以及第一负载信息切换第一小区为载波聚合(carrier aggregation，CA)辅小区。
且在第一小区无CA辅小区用户激活的情况下，第一基站在目标资源块中发送至多三列位置的小区参考信号CRS符号，该目标资源块属于第一基站系统带宽，并且目标资源块的数量小于第一基站对应的系统带宽的资源块的总数。
在本申请的实施方式中，第二基站从用户端获取同频邻区对第二小区的干扰信息，确定第一小区为最强干扰区，并从第一基站获取第一小区的负载信息，将第一小区切换成CA辅小区，同时在第一小区没有CA辅小区用户激活的情况下，第一基站对其执行时域关断与频域关断后，在目标资源块中发送至多三列位置的CRS符号，进一步减少同频干扰以及CRS干扰，增加了边缘用户体验，且增加了小区的节能时长和节能深度，从而减少整个无线网络的能耗，提高节能增益以及网络体验。
在第一方面的一种可能的实现方式中，第一基站基于第二请求、第一负载信息、第三小区以及第二负载信息切换第一小区为辅小区，其第三小区为第一小区的异频同覆盖邻区，第二负载信息用于指示第三小区的负载程度。
在本申请的实施方式中，第一基站基于第二请求、第一负载信息、第三小区以及第二负载信息切换第一小区为CA辅小区。增加了应用场景，增加了方案的适用性。
在第一方面的一种可能的实现方式中，第一基站通过异频邻里关系以及同覆盖标识确定第三小区。其中，异频邻里关系用于指示第一小区的异频邻区，同覆盖标识用于指示与第三小区的覆盖范围有交集的小区。
或者，第一基站通过异频测量确定第三小区。
且第一基站接收由第三基站发送的第二负载信息，该第三基站属于第三小区。
在本申请的实施方式中，通过多种方式确定第一小区的异频同覆盖邻区即第三小区，增加了方案的应用场景，以及可选择性。
在第一方面的一种可能的实现方式中，第一基站发送目标消息，其目标消息用于通告当前第一小区为CA辅小区。
在本申请的实施方式中，第一基站发送目标消息，避免其他小区切换入用户到第一小区，当需要为用户切换小区时，忽略第一小区，避免切换失败。
在第一方面的一种可能的实现方式中，在切换第一小区为CA辅小区之后，第一基站禁止系统消息和寻呼发送。
在本申请的实施方式中，在切换第一小区为CA辅小区之后，第一基站禁止系统消息和寻呼发送。可以降低工作能耗，增加节能收益。
第二方面，提供一种降低无线网络能耗的方法，包括：
第二基站接收用户端发送的测量报告，该测量报告用于得到第一小区对第二小区的干扰信息。其中，第二小区为第二基站对应的小区，第一小区为第一基站对应的小区，且第一小区为第二小区的同频邻区，并且用户端连接第二基站。
然后，第二基站基于测量报告向第一基站发送第一请求，该第一请求用于指示第一基站确定第一负载信息，且第一负载信息用于指示第一小区的负载程度。
接着，第二基站接收由第一基站发送的第一负载信息。
并且，第二基站基于干扰信息以及第一负载信息向第一基站发送第二请求，其第二请求用于指示第一基站将第二小区切换为CA辅小区。
在本申请实施方式中，第二基站基于干扰信息以及第一负载信息向一基站发送第二请求，使得第一基站基于第二请求以及第一负载信息将第一小区切换为CA辅小区后，可以根据CA辅小区用户的状态实现深度符号的时域关断与频域关断，以此降低了小区间的同频干扰以及CRS干扰，提高边缘用户体验，且增加了小区的节能时长和节能深度，从而减少整个无线网络的能耗，提高节能增益以及网络体验。
在第二方面的一种可能的实现方式中，第二基站接收由第一基站发送的目标消息，该目标消息用于通告当前第一小区为CA辅小区。
在本申请实施方式中，第二基站接收目标消息，避免其他小区切换入用户到第一小区，当需要为用户切换小区时，忽略第一小区，避免切换失败。
第三方面，提供了一种基站，该基站具有实现上述第一方面或第一方面任意一种可能实现方式的方法的功能。该功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。该硬件或软件包括一个或多个与上述功能相对应的模块。
在本申请的实施方式中第三方面的基站执行本申请第一方面或第一方面任意一种可能实现方式所描述的方法。
第四方面，还提供了一种基站，该基站具有实现上述第二方面或第二方面任意一种可能实现方式的方法的功能。该功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。该硬件或软件包括一个或多个与上述功能相对应的模块。
在本申请的实施方式中第四方面的基站执行本申请第二方面或第二方面任意一种可能实现方式所描述的方法。
第五方面，提供一种通信装置，可以包括处理器，该处理器与存储器耦合，其中存储器用于存储指 令，处理器用于执行存储器中的指令使得该通信设备执行本申请第一方面或第一方面任意一种可能实现方式所描述的方法，或执行本申请第二方面或第二方面任意一种可能实现方式所描述的方法。
第六方面，提供另一种通信装置，包括处理器，用于执行存储器中存储的计算机程序(或计算机可执行指令)，当计算机程序(或计算机可执行指令)被执行时，使得执行如第一方面及第一方面各个可能的实现方式中的方法，或执行本申请第二方面或第二方面任意一种可能实现方式所描述的方法。
在一种可能的实现中，处理器和存储器集成在一起；
在另一种可能的实现中，上述存储器位于该通信装置之外。
该通信装置还包括通信接口，该通信接口用于该通信装置与其他设备进行通信，例如数据和/或信号的发送或接收。示例性的，通信接口可以是收发器、电路、总线、模块或其它类型的通信接口。
第七方面提供一种计算机可读存储介质，包括计算机可读指令，当计算机可读指令在计算机上运行时，使得本申请第一方面、第一方面任一种可能实现方式、第二方面或第二方面任意一种可能实现方式所描述的方法被执行。
第八方面，提供一种计算机程序产品，包括计算机可读指令，当计算机可读指令在计算机上运行时，使得本申请第一方面、第一方面任一种可能实现方式、第二方面、第二方面任意一种可能实现方式所描述的方法被执行。
附图说明
图1a为子帧完整发送CRS符号的示意图；
图1b为满足CRS时域关断判决条件的子帧发送CRS符号的示意图；
图2为本申请实施例提供的一种降低无线网络能耗的方法的一个示意图；
图3为本申请实施例通过的基站的一个架构示意图；
图4为本申请实施例提供的A3测量的流程示意图；
图5为本申请实施例提供的SRS测量的流程示意图；
图6为本申请实施例提供的同频小区之间传递小区的负载信息的一个示意图；
图7为本申请实施例提供的传输切换CA辅小区的请求的一个示意图；
图8为本申请实施例提供的切换CA辅小区的一个流程示意图；
图9为本申请实施例提供的子帧中CRS不关断的一个示意图；
图10为本申请实施例提供的时域关断CRS符号的一个示意图；
图11为本申请实施例提供的频域关断CRS符号的一个示意图；
图12为本申请实施例提供的频域关断与时域关断CRS符号的一个示意图；
图13为本申请实施例提供的发送目标信息的一个示意图；
图14为本申请实施例提供的多频组网的应用场景的一个示意图；
图15为本申请实施例提供的基站的一个结构示意图；
图16为本申请实施例提供的基站的另一个结构示意图；
图17为本申请实施例提供的通信装置的一个结构示意图。
具体实施方式
本申请实施例提供了一种降低基站能耗的方法及其相关装置，应用于互联网行业网络通信中。降低了小区间的干扰水平，提高边缘用户体验，且增加了小区的节能时长和节能深度，从而减少整个无线网络的能耗，提高节能增益以及网络体验。
本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的术语在适当情况下可以互换，这仅仅是描述本申请的实施例中对相同属性的对象在描述时所采用的区分方式。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，以便包含一系列单元的过程、方法、系统、产品或设备不必限于那些单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的 其它单元。
为便于理解本申请实施例，下面首先对当前通过CRS动态关断算法以及CSPC对功率进行协调降低干扰的方案进行简单说明。
当前基站支持CRS动态关断算法，主要根据用户端对CRS的测量行为(其小区内连接基站的用户端使能非连续发送)，不需要所有下行子帧中的CRS完整发送，完整发送时每个子帧发送4CRS符号。对应满足CRS时域关断判决条件的子帧，将图1a示例所示子帧中的位置4、位置7和/或位置11的CRS符号中部分进行关断，在所有用户端非连续发送的休眠期内，每个子帧发送1CRS，具体如图1b的示例中位置0所示的CRS符号，其中，图1a为子帧完整发送CRS符号的示意图，图1b为满足CRS时域关断判决条件的子帧发送CRS符号的示意图。
虽然满足CRS时域关断判决条件的子帧可以只发送1CRS符号，但是只能在非连续发送周期执行，节能时间较短，节能效果不明显。
另外，CSPC特性是一种在时域上对每个小区的发射功率进行协调的特性。对于相邻的小区1和小区2，在每个动态调度资源的基本时间单位(transmission time interval，TTI)根据各自的调度需求协调PDSCH数据在资源粒子上的发射功率，具体的，在同一时间一个小区发送PDSCH数据，而相邻小区不发送PDSCH数据，进而避免相邻小区之间产生PDSCH造成的干扰，达到降干扰的目的。
但是，LTE网络中CRS占比较高，其CRS以及用户级的PDSCH以及物理下行控制信道(physical downlink control channel，PDCCH)是造成干扰的主要原因，其采用CSPC特性只降低了PDSCH功率产生的干扰，增益有限，仍然还存在其他干扰，影响网络体验。为解决上述所述问题，本申请实施例首先提供了一种降低无线网络能耗的方法及其相关装置，应用于互联网通信领域中。其中，第二基站接收用户端发送的测量报告，该测量报告得到第一小区对第二小区的干扰信息，然后第一基站接收第二基站基于测量报告发送的第一请求，第一基站所属的第一小区为第二基站所述的同频邻区。且第一基站基于第一请求向第二基站发送第一负载信息，该第一负载信息用于指示第一小区的负载程度。接着第一基站接收发送的第二请求，该第二请求由第二基站基于干扰信息以及第一负载信息发送，其干扰信息用于指示第一小区对第二小区的干扰程度。接着第一基站基于第二请求以及第一负载信息切换第一小区为CA辅小区。且在第一小区无CA辅小区用户激活的情况下，第一基站在目标资源块中发送子帧中位置0的CRS符号，该目标资源块属于第一基站系统带宽中的某个资源块，且目标资源块的数量小于第一基站对应的系统带宽的资源块的总数。将强干扰第二小区的第一小区切换为CA辅小区，能降低小区间的干扰程度，提升边缘用户的体验感，且同时从时域和频域维度关断CRS，减少干扰的同时增加小区的节能时长和节能深度，从而减少整个无线网络的能耗。
为了更好的理解本申请的实施例，下面结合附图，首先对本申请的实施例提供的一种降低无线网络能耗的方法进行详细描述。本领域普通技术人员可知，随着技术的发展和新场景的出现，本申请实施例提供的技术方案对于类似的技术问题，同样适用。
为便于理解，下面介绍本申请实施例提供的一种降低无线网络能耗的方法，具体请参阅图2，图2为本申请实施例提供的一种降低无线网络能耗的方法的一个示意图。具体包括：
A1、用户端向第二基站发送测量报告。
第二基站接收用户端发送的测量报告，其中，测量报告得到第一小区对第二小区的干扰信息，其第二小区为第二基站对应的小区，第一小区为第一基站对应的小区，其第一小区为第二小区的同频邻区，且用户端在第二小区内连接第二基站。
示例性的，第二基站可以通过第二小区的用户端发送的例如A3、探测参考信号(sounding reference signal，SRS)等测量报告得到第二小区内用户端对同频邻区的干扰程度。具体的，下面基于第二基站的一个架构示例进行描述，具体请参阅图3，图3为本申请实施例通过的基站的一个架构示意图。其中，第二基站包括测量管理模块、信息交互模块以及策略评估模块，另外第一基站还可以包括异频覆盖判断模块，用于确定异频同覆盖邻区。
其中测量管理模块可以执行步骤A1，示例性的，一种可能的实现方式中，通过A3测量获取测量报告，具体实现如图4的示例，图4为本申请实施例提供的A3测量的流程示意图。具体如下：
步骤401、基站的测量关联模块为用户端配置A3测量事件。
步骤402、用户端满足A3条件之后上报测量报告，即用户端向第二基站发送测量报告。
步骤403、基站根据门限判断接收到的A3测量报告是否满足A3条件，若不满足，继续执行步骤402，若满足则执行如下步骤404。
步骤404、基站构建A3测量集，具体的，测量管理模块周期性的对收到的第二小区的各个同频邻区A3测量报告次数进行排序，维护一个干扰邻区集即干扰信息，其收到某个同频邻区的A3测量报告次数越多则干扰越强。
或者，另外一种可能的实现方式中，通过SRS测量获取测量报告进而评估干扰，具体实现如图5的示例，图5为本申请实施例提供的SRS测量的流程示意图。具体如下：
步骤501、基站的测量关联模块为用户端配置SRS测量事件。
步骤502、用户端上报测量报告，即用户端向第二基站发送测量报告。
步骤503、基站根据门限判断接收到的测量报告是否满足A3条件，若不满足，继续执行步骤502，若满足则执行如下步骤504。
步骤504、基站构建SRS测量集，具体的，测量管理模块周期性的对收到的第二小区的各个同频邻区测量报告次数进行排序，维护一个干扰邻区集即干扰信息，其收到某个同频邻区的测量报告次数越多则干扰越强。
在本申请的实施方式中，通过A3测量或SRS测量评估干扰得到测量报告，体现了方案的多样性以及可选择性。
A2、第二基站基于测量报告向第一基站发送第一请求。
第二基站基于接收到的测量报告向第一基站发送第一请求，第一请求用于指示第一基站确定第一负载信息，其第一负载信息用于指示第一小区的负载程度。
且第一基站接收第一请求后，确定第一小区的负载情况，得到第一负载信息然后执行如下步骤A3。具体如下：
A3、第一基站向第二基站发送第一负载信息。
第一基站基于第一请求向第二基站发送第一负载信息。以此告知第一基站第二基站的负载情况。
示例性的，发送第一负载信息的示例请参阅图6的示例，图6为本申请实施例提供的同频小区之间传递小区的负载信息的一个示意图，其中，LTE服务小区即第二小区向LTE同频小区即第一小区发送负载订阅(load subscription)的请求即第一请求，然后LTE同频小区向LTE服务小区发送负载报告(load report)即第一负载信息。
需要说明的是，图6仅仅作为示例用于理解获取同频小区的负载信息，不对本方案产生实质性的限定，具体还可以是其他的请求，具体此处不做限定。
第一基站在得到第一负载信息之后，执行如下步骤A4：
A4、第二基站向第一基站发送第二请求。
第二基站基于干扰信息以及第一负载信息向第一基站发送第二请求，该第二请求用于指示第一基站将第二小区切换为CA辅小区。
示例性的，请参阅图7的示例，图7为本申请实施例提供的传输切换CA辅小区的请求的一个示意图，其中，LTE服务小区即第二小区向LTE同频小区即第一小区发送切换CA辅小区请求(switch scell request)，且LTE服务小区接收到LTE同频小区发送的切换CA辅小区响应消息(switch scell respond)。需要说明的是，图7中的示例仅仅用于说明，实际情况中第二请求还可以是其他形式向同频小区即第一基站传输，具体此处不做限定。
一种可能的实现方式中，第一基站在接收到第二请求后，执行如下步骤A7切换第一小区为CA辅小区，具体如下：
A7、第一基站基于第二请求、第一负载信息和/或第三小区以及第二负载信息切换第一小区为CA辅小区。
一种可能的实现方式中，第一基站基于第二请求以及第一负载信息切换第一小区为CA辅小区。
示例性的，第一基站接收到第二基站发送的第二请求以及第一负载信息，若第一负载信息满足阈值，则将第一小区切换为CA辅小区。具体的，第一基站禁止新用户接入，且通过站间X2接口传递禁止用户切换如标识，以此禁止邻区用户切换入第一小区。且将第一小区中的用户切换到其他小区，当用户迁移成功，则将第一小区切换为CA辅载波状态即CA辅小区，若用户迁移不成功，则停止切换。
在本申请的实施方式中，只需基于第二请求以及第一小区的负载信息切换第一小区为CA辅小区，适用于大多数的应用场景，增加了方案的适用性。
在一种可能的实现方式中，第一基站基于第二请求、第一负载信息、第三小区以及第二负载信息切换第一小区为CA辅小区，该第三小区为第一小区的异频同覆盖邻区，其第二负载信息用于指示第三小区的负载程度。
且在切换之前，第一基站通过异频邻里关系以及同覆盖标识确定第三小区，并接收由第三基站发送的第二负载信息，该第三基站属于第三小区，且异频邻里关系用于指示第一小区的异频邻区，同覆盖标识用于指示与第三小区的覆盖范围有交集的小区。对应图2中步骤A5以及步骤A6，即在步骤A4之后，步骤A7之前，还包括步骤A5以及步骤A6，具体如下：
A5、第一基站通过异频策略或异频邻区学习确定第三小区。
第一基站通过异频测量或异频邻区学习确定第三小区。
示例性的，可以前述图3示例中异频覆盖判断模块可以用执行步骤A5。一种可能的实现方式中，通过配置第一小区和基础小区异频邻区关系和同覆盖标识，用于判断是否存在异频邻区以及是否为同覆盖关系，将具有携带同覆盖标识的异频邻区确定为异频同覆盖邻区，例如，根据异频邻区关系确定第三小区为第一小区的异频邻区，且第三小区携带与第一小区相同的同覆盖标识，则确定第三小区为异频同覆盖邻区。其中，异频邻里关系可以在网络部署时确定，或由第一基站携带，另外，前述同覆盖标识可以是字母、数字、字符、汉字或小区标识等等，在实际情况中可以根据实际情况确定，具体此处不做限定。
另外一种可能的实现方式中，示例性的，异频覆盖判断模块通过异频邻区学习异频同覆盖邻区，在特性开通之后，对于第一小区启动异频测量的同覆盖邻区学习，其异频邻区学习结构用于判断是否存在异频同覆盖邻区，且判定学习到的第三小区为异频同覆盖邻区。
在本申请的实施方式中，通过多种方式确定第一小区的异频同覆盖邻区即第三小区，增加了方案的应用场景，以及可选择性。
A6、第三基站向第一基站发送第二负载信息。
第三基站向第一基站发送第二负载信息，其第三基站属于第三小区，即第二负载信息用于指示第三小区的负载程度。
具体与前述步骤A3获取第一负载信息类似，具体此处不再赘述。
然后执行第一基站执行步骤A7，具体的，第二基站基于第二请求、第一负载信息、第三小区以及第二负载信息切换第一小区为CA辅小区。
示例性的，第一基站确定已接收到第二基站发送的第二请求，且第一负载信息满足阈值，且确定存在第一小区的异频同覆盖邻区即第三小区，以及第二负载信息满足阈值，则第一基站将第一小区切换为CA辅小区。具体的请参与图8的示例，图8为本申请实施例提供的切换CA辅小区的一个流程示意图。包括：
步骤801、第一基站确定存在异频同覆盖邻区即第三小区。
步骤802、第一基站禁止新用户接入和切换入。具体的，禁止新用户接入第一小区，且通过站间X2接口传递禁止用户切换如标识，以此禁止邻区用户切换入第一小区。
步骤803、判断第一小区中的用户数是否为0。当用户数为0则执行步骤807将第一小区切换为CA辅小区，若还有则执行步骤806。
步骤804、执行用户切换即将第一小区中的用户切换到其他小区。
步骤805、第一小区用户数小于或等于门限，具体的，当用户迁移成功且用户数小于或等于设定的阈值门限，则执行步骤807即将第一小区切换为CA辅载波状态即CA辅小区，若用户迁移不成功，剩余用户数大于门限，则执行步骤806停止切换。
步骤806、停止切换为CA辅小区。
步骤807、将第一小区切换为CA辅载波状态即CA辅小区。
在本申请的实施方式中，第一基站基于第二请求、第一负载信息、第三小区以及第二负载信息切换第一小区为CA辅小区。增加了应用场景，增加了方案的适用性。
然后第一基站执行步骤A8，具体如下：
A8、第一基站在目标资源块中发送一个位置的CRS符号。
在第一小区无CA辅小区用户激活的情况下，第一基站在目标资源块中发送至多三列位置的CRS符号，其目标资源块属于第一基站系统带宽，其目标资源块的数量小于第一基站对应的系统带宽的资源块的总数。
示例性的，为便于理解，下面先对其当第一小区切换为CA辅小区之后，可以将CA用户的状态进行说明，其中，CA用户的状态分别为：
状态1：时域不关断、频域不关断。即不对子帧的深度符号关断，正常传输子帧，具体的示例，请参阅图9，图9为本申请实施例提供的子帧中CRS不关断的一个示意图。
状态2：时域关断。对于满足特性生效判决条件的子帧，可以通过时域关断技术将子帧中列4、列7和/或列11的CRS符号中部分进行关断，具体如图10所示的示例，图10为本申请实施例提供的时域关断CRS符号的一个示意图。
状态3：频域关断。示例性的，以LTE 20M小区为例，对于满足特性生效判决条件的子帧，可以通过频域关断技术，只在系统带宽中间的6个资源块发送CRS符号，其余资源块均不发送，从而降低CRS对邻区的干扰。具体如图11所示的示例，图11为本申请实施例提供的频域关断CRS符号的一个示意图，其中正常状态下，100个资源块内均正常发送CRS符号，执行频域关断后，只在系统带宽中间的6个资源块发送CRS符号。
状态4：时域关断与频域关断。此时只在一定数量的资源块内发送CRS符号，且将满足特性生效判决条件的子帧中列4、列7和/或列11的CRS符号中部分进行关断，从而进一步的减少干扰。具体请参与图12，图12为本申请实施例提供的频域关断与时域关断CRS符号的一个示意图。其中，仍以LTE 20M小区为例，执行时域关断，可将列4、列7和/或列11位置的CRS符号关断，且执行频域关断，即在系统带宽中间的6个资源块内发送列0位置的CRS符号，或列0和列4位置的CRS符号，或列0和列7位置的CRS符号，或列0和列11位置的CRS符号等等，可以理解的是，发送CRS符号的数量小于第一基站系统带宽中资源块的总数即可，具体数量可以根据实际情况确定，且在时域关断中，至少关断一列CRS符号即可，具体此处不做限定。
因此，在第一小区无CA辅小区用户激活的情况下，第一基站在目标资源块中发送至多三列位置的CRS符号，即如前述图12的示例，可以大幅度的降低CRS干扰，且能增加节能收益。
一种可能的实现方式中，第一基站还执行步骤A9，具体如下：
A9、第一基站发送目标消息。
第一基站发送目标信息，该目标信息用于通过当前第一小区为CA辅小区。具体的，第一基站向所有相邻小区发送目标消息，避免其他小区向第一小区切换入用户。
示例性的，请参阅图13的示例，图13为本申请实施例提供的发送目标信息的一个示意图，其中，LTE同频小区即第一小区向LTE服务小区即第二小区发送禁止用户切换入(uesr switch forbidden)消息(对应前述图8中的步骤802禁止用户端切换入第一小区)，LTE服务小区接收到后，不再向LTE同频小区切换用户，且感知到LTE同频小区当前为CA辅小区，并且在LTE同频小区切换成为CA辅小区之后，LTE同频小区还向LTE服务小区发送辅小区切换成功(cell switch scell success)消息，用于通告LTE服务小区目前LTE同频小区为CA辅小区。需要说明的是，图13中的示例仅仅用于说明，不对本方案产生实质性的限定。
需要说明的是，前述步骤A9与步骤A8不做先后顺序的限定。
在本申请实施方式中，第一基站发送目标消息，避免其他小区切换入用户到第一小区，当需要为用户切换小区时，忽略第一小区，避免切换失败。
一种可能的实现方式中，在切换第一小区为CA辅小区之后，第一基站禁止系统消息和寻呼发送。可以降低工作能耗，增加节能收益。
示例性的，为了更好的理解本申请实施例，下面提供一个多频组网的应用场景作为示例进行说明，具体请参阅图14的示例，图14为本申请实施例提供的多频组网的应用场景的一个示意图。其中受益小区cell3、受益小区cell2与节能小区cell1首先由基站中的测量管理模块进行A3测量，并维护A3测量邻区集，然后各个小区对应的基站的信息交互模块传递强干扰邻区的负载信息，然后节能小区的策略评估模块进行小区形态评估，其他受益小区向节能小区发送请求切换节能小区为CA辅小区，可选的，节能小区的异频覆盖判断模块确定存在异频同覆盖邻区，且获取异频同覆盖邻区的负载信息，并在此基础上切换节能小区为CA辅小区，然后进行关断策略评估，当节能小区切换为CA辅小区后，其没有CA用户激活的情况下，生效节能小区的深度符号的时域关断与频域关断，以此尽可能的降低同频干扰与CRS干扰，提高边缘用户的体验感，其还能增加小区的节能时长和节能深度，从而减少整个无线网络的能耗，提高节能增益以及网络体验。
在本申请实施例中，第二基站从用户端获取同频邻区对第二小区的干扰信息，确定第一小区为最强干扰区，并从第一基站获取第一小区的负载信息，将第一小区切换成CA辅小区，同时在第一小区没有CA辅小区用户激活的情况下，第一基站对其执行时域关断与频域关断后，在目标资源块中发送至多三列位置的CRS符号，进一步减少同频干扰以及CRS干扰，增加了边缘用户体验，且增加了小区的节能时长和节能深度，从而减少整个无线网络的能耗，提高节能增益以及网络体验。
需要说明的是，前述图2以及图14仅仅作为示例用于理解本申请实施例，不对本申请产生实质性的限定，可以理解的是，实际的应用场景还可以是其他的形式，具体此处不做限定。
以上对本申请实施例所提供的一种降低无线网络能耗的方法进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想。同时，对于本领域的一般技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。
为了实现上述本申请实施例提供的方法中的各功能，基站可以包括硬件结构和/或软件模块，以硬件结构、软件模块、或硬件结构加软件模块的形式来实现上述各功能。上述各功能中的某个功能以硬件结构、软件模块、还是硬件结构加软件模块的方式来执行，取决于技术方案的特定应用和设计约束条件。
如图15所示，本申请实施例还提供了一种基站，该基站应用于互联网行业。具体请参阅图15，图15为本申请实施例提供的基站的一个结构示意图。一种可能的实现中，该基站可以包括执行上述方法实施例中图2中第一基站对应的方法/操作/步骤/动作所一一对应的模块或单元，该单元可以是硬件电路，也可是软件，也可以是硬件电路结合软件实现。一种可能的实现中，该基站1500可以包括：接收单元1501、处理单元1502以及发送单元1503。接收单元1501可以用于执行如上述方法实施例中接收第一请求的步骤以及接收第二请求的步骤，处理单元1502可以用于执行如上述方法实施例中基于第二请求与第一负载信息切换第一小区为CA辅小区的步骤，发送单元1503可以用于执行如上述方法实施例中向第二基站发送第一负载信息的步骤以及在目标资源块中发送至多三列位置的CRS符号的步骤。
在本申请实施例中，接收单元1501接收第一请求，该第一请求由第二基站基于测量报告发送，该测量报文用于得到第一小区对第二小区的干扰信息，然后，发送单元1503基于第一请求向第二基站发送第一负载信息，用于指示第一小区的负载程度，且接收单元1501还接收第二请求，该第二请求由第二基站基于干扰信息以及第一负载信息发送，处理单元1502基于第二请求以及第一负载信息切换第一小区为CA辅小区，且在第一小区无CA辅小区用户激活的情况下，发送单元1503在目标资源块中发送至多三列位置的CRS符号，且目标资源块属于系统带宽，且目标资源块的数量小于系统带宽的资源块总数。其中，在目标资源块中发送至多三列位置的CRS符号，实现了深度符号的时域关断与频域关断，以此降低了小区间的同频干扰以及CRS干扰，提高边缘用户体验，且增加了小区的节能时长和节能深度，从而减少整个无线网络的能耗，提高节能增益以及网络体验。
在其他可能的设计中，上述接收单元1501、处理单元1502以及发送单元1503可以一一对应的执行上述方法实施例中第一基站各种可能的实现方式中的方法/操作/步骤/动作。
在一种可能的设计中，上述接收单元1501，具体用于基于第二请求、第一负载信息、第三小区以及第二负载信息切换第一小区为CA辅小区，其中，第三小区为第一小区的异频同覆盖邻区，其第二负载信息用于指示第三小区的负载程度。
在一种可能的设计中，上述处理单元1502，在第一基站基于第二请求、第一负载信息、第三小区以及第二负载信息切换第一小区为CA辅小区之前，还用于通过异频邻里关系以及同覆盖标识确定第三小区，其中异频邻里关系用于指示第一小区的异频邻区，同覆盖标识用于指示与第三小区的覆盖范围有交集的小区。
或者，上述处理单元1502，还用于通过异频测量确定第三小区。
上述接收单元1501，还用于接收由第三基站发送的第二负载信息，其第三基站属于第三小区。
在一种可能的设计中，上述发送单元1503，在切换第一小区为CA辅小区之后，还用于发送目标消息，其目标消息用于通告当前第一小区为CA辅小区。
在一种可能的设计中，上述处理单元1502，还用于禁止系统消息和寻呼发送。
本申请上述的各种设计的通信装置的有益效果请参考上述图2中方法实施例中一一对应的各种实现方式的有益效果，具体此处不再赘述。
需要说明的是，图15对应实施例的通信装置中各模块/单元之间的信息交互、执行过程等内容，与本申请中图2对应的方法实施例中第一基站基于同一构思，具体内容可参见本申请前述所示的方法实施例中的叙述，此处不再赘述。
如图16所示，本申请实施例还提供了一种基站，该基站应用于互联网行业。具体请参阅图16，图16为本申请实施例提供的基站的另一个结构示意图。一种可能的实现中，该基站可以包括执行上述方法实施例中图2中第二基站对应的方法/操作/步骤/动作所一一对应的模块或单元，该单元可以是硬件电路，也可是软件，也可以是硬件电路结合软件实现。一种可能的实现中，该基站1600可以包括：接收单元1601以及发送单元1602。接收单元1601可以用于执行如上述方法实施例中接收用户端发送的测量报告的步骤以及接收第一负载信息的步骤，发送单元1602可以用于执行如上述方法实施例中发送第一请求的步骤以及发送第二请求的步骤。
在本申请实施例中，接收单元1601接收用户端发送的测量报告，其测量报告用于得到第一小区对第二小区的干扰信息，其第二小区为第二基站对应的小区，第一小区为第一键值对应的小区，其第一小区为第二小区的同频邻区，且用户端连接第二基站。然后发送单元1602基于测量报告向第一基站发送第一请求，该第一请求用于指示第一基站确定第一负载信息，该第一负载信息用于指示第一小区的负载程度。然后接收单元1601接收由第一基站发送的第一负载信息，且发送单元基于干扰信息以及第一负载信息向第一基站发送第二请求，该第二请求用于指示第一基站对第二小区切换为CA辅小区。其中，第一小区切换为CA辅小区后，可以根据CA辅小区用户的状态实现深度符号的时域关断与频域关断，以此降低了小区间的同频干扰以及CRS干扰，提高边缘用户体验，且增加了小区的节能时长和节能深度，从而减少整个无线网络的能耗，提高节能增益以及网络体验。
在其他可能的设计中，上述接收单元1601以及发送单元1602可以一一对应的执行上述方法实施例中第二基站各种可能的实现方式中的方法/操作/步骤/动作。
在一种可能的设计中，上述接收单元1601，还用于接收由第一基站发送的目标消息，其目标消息用于通告当前第一小区为CA辅小区。
本申请上述的各种设计的基站的有益效果请参考上述图2中方法实施例中一一对应的各种实现方式的有益效果，具体此处不再赘述。
需要说明的是，图16对应实施例的基站中各模块/单元之间的信息交互、执行过程等内容，与本申请中图2对应的方法实施例中第二基站基于同一构思，具体内容可参见本申请前述所示的方法实施例中的叙述，此处不再赘述。
另外，在本申请各个实施例中的各功能模块或单元可以集成在一个处理器中，也可以是单独物理存在，也可以两个或两个以上模块或单元集成在一个模块或单元中。上述集成的模块或单元既可以采用硬件的形式实现，也可以采用软件功能模块的形式实现。
接下来介绍本申请实施例提供的另一种通信装置，请参阅图17，图17为本申请实施例提供的通信装置的一个结构示意图，通信装置1700上可以为图15或图16中对应实施例的基站，用于实现图15或图16中基站的功能，具体的，通信装置1700由一个或多个服务器实现，通信装置1700可因配置或性能不同而产生比较大的差异，可以包括一个或一个以上中央处理器(central processing units，CPU)1722(例如，一个或一个以上中央处理器)和存储器1732，一个或一个以上的存储介质1730(例如一个或一个以上存储设备)。其中，存储器1732和存储介质1730可以是短暂存储或持久存储。存储在存储介质1730的程序可以包括一个或一个以上模块(图示没标出)，每个模块可以包括对通信装置1700中的一系列指令操作。更进一步地，中央处理器1722可以设置为与存储介质1730通信，在通信装置1700上执行存储介质1730中的一系列指令操作。
通信装置1700还可以包括一个或一个以上电源1726，一个或一个以上有线或无线网络接口1750，和/或，一个或一个以上输入输出接口1758。
本申请实施例中，中央处理器1722，用于执行图2对应实施例中第一基站执行的方法。例如，中央处理器1722可以用于：接收第一请求，其第一请求由第二基站基于测量报告发送，且通信装置1700所属的第一小区为第二基站所属的第二小区的同频邻区，测量报告用于得到第一小区对第二小区的干扰信息，干扰信息用于指示第一小区对第二小区的干扰程度。然后基于第一请求向第二基站发送第一负载信息，其第一负载信息用于指示第一小区的负载程度。并接收第二请求，其第二请求由第二基站基于干扰信息以及第一负载信息发送。然后，基于第二请求以及第一负载信息切换第一小区为CA辅小区。并且，在第一小区无CA辅小区用户激活的情况下，在目标资源块中发送至多三列位置的CRS符号，其目标资源块属于第一基站系统带宽，且目标资源块的数量小于第一基站对应的系统带宽的资源块的总数。其中，在目标资源块中发送至多三列位置的CRS符号，实现了深度符号的时域关断与频域关断，以此降低了小区间的同频干扰以及CRS干扰，提高边缘用户体验，且增加了小区的节能时长和节能深度，从而减少整个无线网络的能耗，提高节能增益以及网络体验。
或者，本申请实施例中，中央处理器1722，用于执行图2对应实施例中第二基站执行的方法。例如，中央处理器1722可以用于：接收用户端发送的测量报告，其测量报告用于得到第一小区对第二小区的干扰信息，其第二小区为第二基站对应的小区，第一小区为第一键值对应的小区，其第一小区为第二小区的同频邻区，且用户端连接第二基站。然后基于测量报告向第一基站发送第一请求，该第一请求用于指示第一基站确定第一负载信息，该第一负载信息用于指示第一小区的负载程度。然后接收由第一基站发送的第一负载信息，且发送单元基于干扰信息以及第一负载信息向第一基站发送第二请求，该第二请求用于指示第一基站对第二小区切换为CA辅小区。其中，第一小区切换为CA辅小区后，可以根据CA辅小区用户的状态实现深度符号的时域关断与频域关断，以此降低了小区间的同频干扰以及CRS干扰，提高边缘用户体验，且增加了小区的节能时长和节能深度，从而减少整个无线网络的能耗，提高节能增益以及网络体验。
本申请实施例还提供的另一种通信装置，包括处理器，该处理器与存储器耦合，存储器存储指令，处理器用于执行指令，使得通信设备执行如前述方法实施例所示任一项实现方式。
本申请实施例还提供一种计算机可读存储介质，包括计算机可读指令，当计算机可读指令在计算机上运行时，使得计算机执行如前述方法实施例所示任一项实现方式。
本申请实施例还提供的一种计算机程序产品，计算机程序产品包括计算机程序或指令，当计算机程序或指令在计算机上运行时，使得计算机执行如前述方法实施例所示任一项实现方式。
本申请还提供一种芯片或芯片系统，该芯片可包括处理器。该芯片还可包括存储器(或存储模块)和/或收发器(或通信模块)，或者，该芯片与存储器(或存储模块)和/或收发器(或通信模块)耦合，其中，收发器(或通信模块)可用于支持该芯片进行有线和/或无线通信，存储器(或存储模块)可用于存储程序或一组指令，该处理器调用该程序或该组指令可用于实现上述方法实施例、方法实施例的任意一种可能的实现方式中由终端或者通信装置执行的操作。该芯片系统可包括以上芯片，也可以包含上述芯片和其他分离器件，如存储器(或存储模块)和/或收发器(或通信模块)。
另外需说明的是，以上所描述的装置实施例仅仅是示意性的，其中作为分离部件说明的单元可以是 或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。另外，本申请提供的装置实施例附图中，模块之间的连接关系表示它们之间具有通信连接，具体可以实现为一条或多条通信总线或信号线。
通过以上的实施方式的描述，所属领域的技术人员可以清楚地了解到本申请可借助软件加必需的通用硬件的方式来实现，当然也可以通过专用硬件包括专用集成电路、专用CPU、专用存储器、专用元器件等来实现。一般情况下，凡由计算机程序完成的功能都可以很容易地用相应的硬件来实现，而且，用来实现同一功能的具体硬件结构也可以是多种多样的，例如模拟电路、数字电路或专用电路等。但是，对本申请而言更多情况下软件程序实现是更佳的实施方式。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在可读取的存储介质中，如计算机的软盘、U盘、移动硬盘、只读存储器(read only memory，ROM)、随机存取存储器(random access memory，RAM)、磁碟或者光盘等，包括若干指令用以使得一台计算机设备(可以是个人计算机，训练设备，或者通信装置等)执行本申请各个实施例的方法。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。
计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行计算机程序指令时，全部或部分地产生按照本申请实施例的流程或功能。计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一计算机可读存储介质传输，例如，计算机指令可以从一个网站站点、计算机、训练设备或数据中心通过有线(例如同轴电缆、光纤、数字用户线)或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、训练设备或数据中心进行传输。计算机可读存储介质可以是计算机能够存储的任何可用介质或者是包含一个或多个可用介质集成的训练设备、数据中心等数据存储设备。可用介质可以是磁性介质，(例如，软盘、硬盘、磁带)、光介质(例如，高密度数字视频光盘(digital video disc，DVD))、或者半导体介质(例如，固态硬盘(solid state drive，SSD))等。

Claims (18)

  1. 一种降低无线网络能耗的方法，其特征在于，包括：
    第一基站接收第一请求，所述第一请求由第二基站基于测量报告发送，所述第一基站所属的第一小区为所述第二基站所属的第二小区的同频邻区，所述测量报告用于得到所述第一小区对所述第二小区的干扰信息，所述干扰信息用于指示所述第一小区对所述第二小区的干扰程度；
    所述第一基站基于所述第一请求向所述第二基站发送第一负载信息，所述第一负载信息用于指示所述第一小区的负载程度；
    所述第一基站接收第二请求，所述第二请求由所述第二基站基于所述干扰信息以及所述第一负载信息发送；
    所述第一基站基于所述第二请求以及所述第一负载信息切换所述第一小区为载波聚合CA辅小区；
    在所述第一小区无CA辅小区用户激活的情况下，所述第一基站在目标资源块中发送至多三列位置的小区参考信号CRS符号，所述目标资源块属于所述第一基站系统带宽，所述目标资源块的数量小于所述第一基站对应的系统带宽的资源块的总数。
  2. 根据权利要求1所述的方法，其特征在于，所述第一基站基于所述第二请求以及所述第一负载信息切换所述第一小区为CA辅小区包括：
    所述第一基站基于所述第二请求、所述第一负载信息、第三小区以及第二负载信息切换所述第一小区为CA辅小区，所述第三小区为所述第一小区的异频同覆盖邻区，所述第二负载信息用于指示第三小区的负载程度。
  3. 根据权利要求2所述的方法，其特征在于，在所述第一基站基于所述第二请求、所述第一负载信息、第三小区以及第二负载信息切换所述第一小区为CA辅小区之前，所述方法还包括：
    所述第一基站通过异频邻里关系以及同覆盖标识确定所述第三小区，所述异频邻里关系用于指示所述第一小区的异频邻区，所述同覆盖标识用于指示与所述第三小区的覆盖范围有交集的小区；
    或者，所述第一基站通过异频测量确定所述第三小区；
    所述第一基站接收由第三基站发送的所述第二负载信息，所述第三基站属于所述第三小区。
  4. 根据权利要求1-3中任一项所述的方法，其特征在于，在所述切换所述第一小区为所述CA辅小区之后，所述方法还包括：
    所述第一基站发送目标消息，所述目标消息用于通告当前所述第一小区为CA辅小区。
  5. 根据权利要求1-4中任一项所述的方法，其特征在于，在所述切换所述第一小区为所述CA辅小区之后，所述方法还包括：
    所述第一基站禁止系统消息和寻呼发送。
  6. 一种降低无线网络能耗的方法，其特征在于，包括：
    第二基站接收用户端发送的测量报告，所述测量报告用于得到第一小区对第二小区的干扰信息，所述第二小区为所述第二基站对应的小区，所述第一小区为所述第一基站对应的小区，所述第一小区为所述第二小区的同频邻区，所述用户端连接所述第二基站；
    所述第二基站基于所述测量报告向第一基站发送第一请求，所述第一请求用于指示所述第一基站确定第一负载信息，所述第一负载信息用于指示所述第一小区的负载程度；
    所述第二基站接收由所述第一基站发送的所述第一负载信息；
    所述第二基站基于所述干扰信息以及所述第一负载信息向所述第一基站发送第二请求，所述第二请求用于指示所述第一基站将所述第二小区切换为CA辅小区。
  7. 根据权利要求6所述的方法，其特征在于，在所述第二基站基于所述干扰信息以及所述第一负载信息向所述第一基站发送第一请求之后，所述方法还包括：
    所述第二基站接收由所述第一基站发送的目标消息，所述目标消息用于通告当前所述第一小区为CA辅小区。
  8. 一种基站，其特征在于，所述基站包括：
    接收单元，用于接收第一请求，所述第一请求由第二基站基于测量报告发送，所述第一基站所属的 第一小区为所述第二基站所属的第二小区的同频邻区，所述测量报告用于得到所述第一小区对所述第二小区的干扰信息，所述干扰信息用于指示所述第一小区对所述第二小区的干扰程度；
    发送单元，用于基于所述第一请求向所述第二基站发送第一负载信息，所述第一负载信息用于指示所述第一小区的负载程度；
    所述接收单元，还用于接收第二请求，所述第二请求由所述第二基站基于所述干扰信息以及所述第一负载信息发送；
    处理单元，用于基于所述第二请求以及所述第一负载信息切换所述第一小区为载波聚合CA辅小区；
    发送单元，在所述第一小区无CA辅小区用户激活的情况下，用于在目标资源块中发送至多三列位置的小区参考信号CRS符号，所述目标资源块属于所述第一基站系统带宽，所述目标资源块的数量小于所述第一基站对应的系统带宽的资源块的总数。
  9. 根据权利要求8所述的基站，其特征在于，所述处理单元，具体用于基于所述第二请求、所述第一负载信息、第三小区以及第二负载信息切换所述第一小区为CA辅小区，所述第三小区为所述第一小区的异频同覆盖邻区，所述第二负载信息用于指示第三小区的负载程度。
  10. 根据权利要求9所述的基站，其特征在于，所述处理单元，还用于通过异频邻里关系以及同覆盖标识确定所述第三小区，所述异频邻里关系用于指示所述第一小区的异频邻区，所述同覆盖标识用于指示与所述第三小区的覆盖范围有交集的小区；
    或者，所述处理单元，还用于通过异频测量确定所述第三小区；
    所述接收单元，还用于接收由第三基站发送的所述第二负载信息，所述第三基站属于所述第三小区。
  11. 根据权利要求8-10中任一项所述的基站，其特征在于，在所述切换所述第一小区为所述CA辅小区之后，所述发送单元，还用于发送目标消息，所述目标消息用于通告当前所述第一小区为CA辅小区。
  12. 根据权利要求8-11中任一项所述的基站，其特征在于，在所述切换所述第一小区为所述CA辅小区之后，所述处理单元，还用于禁止系统消息和寻呼发送。
  13. 一种基站，其特征在于，所述基站包括：
    接收单元，用于接收用户端发送的测量报告，所述测量报告用于得到第一小区对第二小区的干扰信息，所述第二小区为所述第二基站对应的小区，所述第一小区为所述第一基站对应的小区，所述第一小区为所述第二小区的同频邻区，所述用户端连接所述第二基站；
    发送单元，用于基于所述测量报告向第一基站发送第一请求，所述第一请求用于指示所述第一基站确定第一负载信息，所述第一负载信息用于指示所述第一小区的负载程度；
    所述接收单元，还用于接收由所述第一基站发送的所述第一负载信息；
    所述发送单元，还用于基于所述干扰信息以及所述第一负载信息向所述第一基站发送第二请求，所述第二请求用于指示所述第一基站将所述第二小区切换为CA辅小区。
  14. 根据权利要求13所述的基站，其特征在于，在所述基于所述干扰信息以及所述第一负载信息向所述第一基站发送第一请求之后，所述接收单元，还用于接收由所述第一基站发送的目标消息，所述目标消息用于通告当前所述第一小区为CA辅小区。
  15. 一种通信装置，其特征在于，处理器，所述处理器与存储器耦合，所述存储器存储指令，所述处理器用于执行所述指令，使得所述通信装置执行权利要求1-7中任意一项所述的方法。
  16. 一种计算机可读存储介质，包括计算机可读指令，其特征在于，当所述计算机可读指令在计算机上运行时，使得如权利要求1-7中任一项所述的方法被执行。
  17. 一种计算机程序产品，包括计算机可读指令，其特征在于，当所述计算机可读指令在计算机上运行时，使得如权利要求1-7中任一项所述的方法被执行。
  18. 一种通信系统，包括第一基站和第二基站，所述第一基站用于执行如权利要求1-5中任一项所述的方法，所述第二基站用于执行如权利要求6或7所述的方法。
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