WO2017032203A1 - 控制载波聚合ca下载速率的方法及基站 - Google Patents

控制载波聚合ca下载速率的方法及基站 Download PDF

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Publication number
WO2017032203A1
WO2017032203A1 PCT/CN2016/092473 CN2016092473W WO2017032203A1 WO 2017032203 A1 WO2017032203 A1 WO 2017032203A1 CN 2016092473 W CN2016092473 W CN 2016092473W WO 2017032203 A1 WO2017032203 A1 WO 2017032203A1
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WIPO (PCT)
Prior art keywords
bandwidth
user equipment
secondary cell
combination
download rate
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PCT/CN2016/092473
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English (en)
French (fr)
Inventor
赵江运
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宇龙计算机通信科技(深圳)有限公司
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Publication of WO2017032203A1 publication Critical patent/WO2017032203A1/zh

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    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
    • 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

Definitions

  • the present disclosure relates to the field of communications technologies, for example, to a method and a base station for controlling a carrier aggregation (CA) download rate.
  • CA carrier aggregation
  • CA technology is a technology that increases transmission bandwidth.
  • the CA technology can aggregate 2-5 Long Term Evolution (LTE) component carriers (CCs) to achieve a maximum transmission bandwidth of 100 MHz, which effectively improves the download of User Equipment (UE). rate.
  • LTE Long Term Evolution
  • UE User Equipment
  • CA technology will cause UE traffic to be exhausted quickly, unable to effectively control the UE download rate, and easily generate additional traffic charges.
  • the embodiments of the present disclosure provide a method and a base station for controlling a carrier aggregation CA download rate, which can effectively control a user equipment download rate and save UE traffic.
  • a first aspect of the embodiments of the present disclosure provides a method for controlling a carrier aggregation CA download rate, including:
  • the average download rate when the user equipment is downloaded by using the CA technology is greater than the traffic download rate threshold; the bandwidth of the bandwidth combination of the CA used by the user equipment when performing the download is reduced, so that the user equipment is used.
  • the average download rate is less than or equal to the traffic download rate threshold.
  • the bandwidth combination of the CA includes a primary cell bandwidth and M secondary cell bandwidths, and the CA used by the user equipment to perform the downloading The bandwidth of the bandwidth combination is reduced, including:
  • the M secondary cell bandwidths included in the bandwidth combination of the CA used when the user equipment is downloaded are reduced to N secondary cell bandwidths, where N is a positive integer less than M;
  • the at least one secondary cell bandwidth of the M secondary cell bandwidths included in the bandwidth combination of the CA used by the user equipment is adjusted, and the total bandwidth of the M secondary cell bandwidths included in the adjusted bandwidth combination is less than that before the adjustment.
  • the M secondary cell bandwidth combinations included in the bandwidth combination of the CA used for downloading by the user equipment are reduced to N secondary cell bandwidths, and the N bandwidths included in the bandwidth combination used for downloading the user equipment are The bandwidth of the at least one secondary cell in the secondary cell bandwidth is adjusted, and the total bandwidth of the N secondary cells included in the adjusted bandwidth combination is smaller than the total bandwidth of the M secondary cells before the adjustment.
  • the bandwidth of the CA used by the user equipment to download The bandwidth of the M secondary cells included in the combination is reduced to N secondary cell bandwidths, including:
  • the bandwidth of the CA used when downloading the user equipment is adjusted, including:
  • auxiliary component carrier Activating the auxiliary component carrier with the same amount of the secondary cell bandwidth that needs to be adjusted, adding the bandwidth of the other secondary cell corresponding to the activated auxiliary component carrier to the bandwidth combination of the CA, and obtaining the adjusted bandwidth combination of the CA, where And the total bandwidth of the M secondary cell bandwidths included in the bandwidth combination of the adjusted CA is smaller than the total bandwidth of the M secondary cell bandwidths before the adjustment.
  • the method Before the receiving the traffic download rate threshold sent by the user equipment, the method further includes:
  • a second aspect of the embodiments of the present disclosure provides a base station, including:
  • a receiving unit configured to receive a traffic download rate threshold sent by the user equipment
  • a determining unit configured to determine whether an average download rate when the user equipment uses the CA technology for downloading is greater than the traffic download rate threshold
  • the execution unit is configured to reduce the bandwidth of the bandwidth combination of the CA used when the user equipment performs downloading when the determination result of the determining unit is YES.
  • the bandwidth combination of the CA includes a primary cell bandwidth and M secondary cell bandwidths, and the execution unit uses the CA used when downloading the user equipment.
  • the bandwidth of the bandwidth combination is reduced, including:
  • the execution unit reduces the bandwidth of the M secondary cells included in the bandwidth combination of the CA used by the user equipment for downloading to N secondary cell bandwidths;
  • the execution unit adjusts the bandwidth of the M secondary cells included in the bandwidth combination of the CA used by the user equipment to download, and the total bandwidth of the M secondary cell bandwidths included in the adjusted bandwidth combination is smaller than the M before the adjustment.
  • the total bandwidth of the secondary cell bandwidth or
  • the execution unit reduces the M secondary cell bandwidth combinations included in the bandwidth combination of the CA used by the user equipment for the download to the N secondary cell bandwidths, and the CA used when downloading the user equipment.
  • the bandwidth of the N secondary cells included in the bandwidth combination is adjusted, and the total bandwidth of the N secondary cells included in the adjusted bandwidth combination is smaller than the total bandwidth of the M secondary cells.
  • the performing unit uses the CA when the user equipment is downloaded.
  • the bandwidth of the M secondary cells included in the bandwidth combination is reduced to N secondary cell bandwidths, including:
  • the execution unit will use the bandwidth of the H secondary cells in the M secondary cell bandwidths included in the bandwidth combination of the CA used in downloading the user equipment according to the pre-acquired bandwidth quantity adjustment policy as the secondary cell bandwidth that needs to be deactivated.
  • the execution unit deactivates the auxiliary component carriers corresponding to the bandwidth of the H secondary cells, and removes the bandwidth of the H secondary cells from the bandwidth combination of the CA.
  • the performing unit performs the downloading on the user equipment.
  • the secondary cell bandwidth included in the bandwidth combination of the CA is adjusted, including:
  • the execution unit deactivates the auxiliary component carrier corresponding to the secondary cell bandwidth that needs to be adjusted, and removes the secondary cell bandwidth that needs to be deactivated from the bandwidth combination of the CA;
  • the execution unit activates the auxiliary component carrier with the same amount of the secondary cell bandwidth that needs to be adjusted, and adds the other secondary cell bandwidth corresponding to the activated auxiliary component carrier to the bandwidth combination of the CA to obtain the adjusted CA.
  • a bandwidth combination wherein a total bandwidth of the M secondary cell bandwidths included in the bandwidth combination of the adjusted CA is smaller than a total bandwidth of the M secondary cell bandwidths.
  • the base station further includes:
  • a sending unit configured to send, to the user equipment, configuration information that includes measuring a traffic download rate of the user equipment, so that the user equipment measures a traffic download rate of the user equipment; where, when the user equipment downloads traffic When the rate exceeds a preset threshold, the user equipment prompts the user to set the traffic download rate threshold.
  • a third aspect of an embodiment of the present disclosure provides a base station including one or more processors, a memory, and one or more programs, the one or more programs being stored in a memory when being one or more When the processors are executed, the above method is executed.
  • a fourth aspect of an embodiment of the present disclosure provides a non-transitory computer readable storage medium storing computer executable instructions for performing the above method.
  • the threshold of the traffic download rate sent by the user equipment is received; whether the average download rate when the user equipment uses the CA technology for downloading is greater than the traffic download rate threshold; and if so, the bandwidth of the CA used by the user equipment to download The bandwidth is reduced so that the average download rate of the user equipment is less than or equal to the traffic download rate threshold.
  • the embodiment of the present disclosure can adjust the bandwidth combination of the CA (for example, from 15M+20M to 15M+10M) to adjust the average download rate of the user equipment. For the user equipment with insufficient traffic, the user equipment download rate can be effectively controlled. Save UE traffic.
  • FIG. 1 is a flowchart of a method for controlling a carrier aggregation CA download rate according to an embodiment of the present disclosure
  • FIG. 2 is a flowchart of a method for controlling a carrier aggregation CA download rate according to an embodiment of the present disclosure
  • FIG. 3 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic diagram of a system for controlling a carrier aggregation CA download rate according to an embodiment of the present disclosure
  • FIG. 6 is a schematic structural diagram of hardware of a base station according to an embodiment of the present disclosure.
  • the embodiments of the present disclosure provide a method and a base station for controlling a carrier aggregation CA download rate, which can effectively control a user equipment download rate and save UE traffic.
  • FIG. 1 is a flowchart of a method for controlling a carrier aggregation CA download rate according to an embodiment of the present disclosure. As shown in FIG. 1, the method for controlling a carrier aggregation CA download rate described in this embodiment includes:
  • the base station receives a traffic download rate threshold sent by the user equipment.
  • the traffic download rate threshold may be sent by the user equipment to the base station after being set by the user, and the user equipment UE may be, but not limited to, a mobile phone or a tablet computer.
  • the base station determines whether the average download rate when the user equipment uses the CA technology for downloading is greater than the traffic download rate threshold.
  • the base station when the CA technology is used, the base station (eNB) can acquire the average download rate of the UE in real time and store it in the resource scheduler of the base station, and the base station obtains the average download rate of the UE from the resource scheduler, and receives the user equipment.
  • the base station determines whether the average download rate of the user equipment is greater than the traffic download rate threshold. If the base station determines that the average download rate of the user equipment when using the CA technology for downloading is greater than the traffic download rate threshold, executing S130; Judge user When the average download rate when the device downloads using CA technology is less than or equal to the traffic download rate threshold, the process ends.
  • the base station reduces the bandwidth of the bandwidth combination of the CA used by the user equipment to download, so that the average download rate of the user equipment is less than or equal to the traffic download rate threshold.
  • the base station when the average download rate when the user equipment uses the CA technology for downloading is greater than the traffic download rate threshold, the base station reduces the bandwidth of the bandwidth combination of the CA used by the user equipment for downloading.
  • the CA technology allows the radio interface of the LTE technology to be configured to have up to five component carriers, and only one of the five component carriers Carrier, the other is a secondary component carrier, and the bandwidth corresponding to each component carrier can be any one of 1.4M, 3M, 5M, 10M, 15M, and 20M.
  • the bandwidth combination of CA is the largest. Up to 100M.
  • the bandwidth combination of the CA used by the current UE is 15M+20M
  • the bandwidth combination of the CA can be adjusted to 15M+15M, so that the bandwidth of the bandwidth combination of the CA used by the user equipment for downloading is reduced from 35M to 30M, The average download rate of the user equipment is reduced, and the average download rate is guaranteed to be less than or equal to the traffic download rate threshold.
  • the bandwidth combination of the CA includes the primary cell bandwidth and the M secondary cell bandwidths, and the bandwidth of the bandwidth combination of the CA used when the user equipment is downloaded is reduced, including:
  • the M secondary cell bandwidths included in the bandwidth combination of the CA used when downloading the user equipment are reduced to N secondary cell bandwidths, where N is a positive integer less than M;
  • the bandwidth of at least one of the M secondary cell bandwidths included in the bandwidth combination of the CA used for downloading by the user equipment is adjusted, and the total bandwidth of the M secondary cell bandwidths included in the adjusted bandwidth combination is smaller than the M auxiliary before adjustment.
  • the M secondary cell bandwidths included in the bandwidth combination of the CA used for downloading the user equipment are reduced to N secondary cell bandwidths, and the bandwidth of the CA used in downloading the user equipment is included in the N secondary cell bandwidths
  • the bandwidth of the at least one secondary cell is adjusted, and the total bandwidth of the N secondary cell bandwidths included in the adjusted bandwidth combination is smaller than the total bandwidth of the M secondary cell bandwidths before the adjustment.
  • the bandwidth combination of the CA includes a primary cell bandwidth and M secondary cell bandwidths, where M is a positive integer less than or equal to 4.
  • the bandwidth of the M secondary cells included in the bandwidth combination of the CA used for downloading the user equipment is reduced to N secondary cell bandwidths. For example, if M is 4 and N is 3, the user is set.
  • the bandwidth combination of the CA used for downloading is changed from 15M (main cell bandwidth) +15M+15M+15M+15M to 15M (primary cell bandwidth)+15M+15M+15M, and the bandwidth combination size of CA is changed from 75M to 60M.
  • the number of secondary cell bandwidths is reduced (from 4 to 3), and the bandwidth of the bandwidth combination of the CA used by the user equipment for downloading is reduced by 15M, thereby effectively controlling the download of the user equipment when downloading using CA technology. Rate, saving user equipment usage traffic.
  • the bandwidth of the secondary cell included in the bandwidth combination of the CA used for downloading by the user equipment is adjusted, and the total bandwidth of the secondary cell bandwidth included in the adjusted bandwidth combination is smaller than the total bandwidth of the M secondary cell bandwidth, for example, if M is 4
  • the bandwidth combination of the CA used when downloading the user equipment is changed from 15M (main cell bandwidth) + 15M+15M+15M+15M to 15M (primary cell bandwidth) +15M+15M+10M+5M, and the bandwidth combination size of CA From 75M to 60M, the adjusted CA bandwidth combination is still 1 primary cell bandwidth and 4 secondary cell bandwidths.
  • the adjusted CA bandwidth combination size is changed from the previous 75M to 60M. This way changes the size of the secondary cell bandwidth.
  • the bandwidth of one of the secondary cells is changed from 15M to 10M, and the bandwidth of the other secondary cell is changed from 15M to 5M.
  • the bandwidth of the bandwidth of the CA used by the user equipment for downloading is reduced by 15M, thereby effectively controlling the user equipment to use CA technology.
  • the download rate at the time of downloading saves the usage traffic of the user equipment.
  • the at least one secondary cell bandwidth combination included in the bandwidth combination of the CA used for downloading by the user equipment is reduced to N secondary cell bandwidths, and the secondary cell bandwidth included in the bandwidth combination of the CA used for downloading by the user equipment is adjusted, For example, if M is 4, the bandwidth combination of the CA used when downloading the user equipment is changed from 15M (primary cell bandwidth) + 15M + 15M + 15M + 15M to 15M (primary cell bandwidth) + 15M + 15M + 10M, CA The bandwidth combination size is changed from 75M to 55M. This method reduces the number of secondary cell bandwidths (from 4 to 3) and changes the size of the secondary cell bandwidth (the bandwidth of one secondary cell changes from 15M to 10M).
  • the adjusted CA bandwidth combination becomes one primary cell bandwidth and three secondary cell bandwidths (the secondary cell bandwidth is reduced by one), and the adjusted CA bandwidth combination size is changed from the previous 75M to 55M, and the user equipment performs downloading.
  • the bandwidth of the bandwidth combination of the used CA is reduced by 20M, so that the download rate when the user equipment uses the CA technology for downloading can be effectively controlled, and the usage traffic of the user equipment is saved.
  • reducing the bandwidth of the M secondary cells included in the bandwidth combination of the CA used by the user equipment for downloading to the N secondary cell bandwidths includes:
  • the pre-acquired bandwidth quantity adjustment policy may be adjusted according to the ratio of the average download rate and the traffic download rate threshold when the user equipment uses the CA technology to download, and the average download rate when the user equipment uses the CA technology to download. 2MB/s, the traffic download speed threshold is 1.5MB/s, and the ratio of the average download rate to the traffic download rate threshold when the user equipment downloads using CA technology is 4/3, then the CA used by the user equipment for downloading is The total bandwidth of the bandwidth combination is adjusted to 3/4 of the total bandwidth of the previous bandwidth combination.
  • the bandwidth of the CA used by the user equipment for downloading is 15M (primary cell bandwidth) + 10M+15M+20M, that is, the total bandwidth of the bandwidth combination of the CA is 60M, and the policy is adjusted according to the amount of bandwidth acquired in advance.
  • one or more secondary cell bandwidths in the bandwidth combination of the CA may be removed to effectively control the user equipment download rate and save UE traffic.
  • the secondary cell bandwidth included in the bandwidth combination of the CA used for downloading the user equipment is adjusted, including:
  • the amount of the secondary cell bandwidth that needs to be adjusted in the bandwidth combination of the CA used by the user equipment for downloading is determined according to the pre-acquired bandwidth adjustment policy
  • auxiliary component carrier Activating the auxiliary component carrier with the same amount of the secondary cell bandwidth that needs to be adjusted, adding the bandwidth of the other secondary cell corresponding to the activated auxiliary component carrier to the bandwidth combination of the CA, and obtaining the adjusted bandwidth of the CA, wherein the adjusted CA is configured.
  • the total bandwidth of the M secondary cell bandwidths included in the bandwidth combination is smaller than the total bandwidth of the M secondary cell bandwidths before the adjustment.
  • the pre-acquired bandwidth size adjustment policy may be adjusted according to the ratio of the average download rate and the traffic download rate threshold when the user equipment uses the CA technology to download, and the average download rate when the user equipment uses the CA technology to download. 2MB/s, the traffic download speed threshold is 1.5MB/s, and the ratio of the average download rate to the traffic download rate threshold when the user equipment downloads using CA technology is 4/3, then the CA used by the user equipment for downloading is Total bandwidth adjustment of bandwidth combination The whole is 3/4 of the total bandwidth of the previous bandwidth combination.
  • the bandwidth of the CA used by the user equipment for downloading is 15M (primary cell bandwidth) + 10M+15M+20M, that is, the total bandwidth of the bandwidth combination of the CA is 60M, and the policy is adjusted according to the pre-acquired bandwidth size.
  • the auxiliary component carrier corresponding to one of the three secondary cell bandwidths (the corresponding secondary cell bandwidth is 20M) is deactivated, and the secondary cell bandwidth (20M) is removed from the bandwidth combination of the CA.
  • the base station activates the auxiliary component carrier corresponding to the bandwidth of the other one secondary cell (the corresponding secondary cell bandwidth is 5M), and adds the secondary cell bandwidth (5M) corresponding to the activated auxiliary component carrier to the bandwidth combination of the CA to obtain the adjusted CA bandwidth.
  • the combination is 15M (primary cell bandwidth) + 10M + 15M + 5M, and the total bandwidth of the adjusted CA bandwidth combination is 45M.
  • one or more secondary cell bandwidths in the bandwidth combination of the CA may be removed, and an auxiliary component carrier equal to the bandwidth of the one or more secondary cells is activated to effectively control the download rate of the user equipment, thereby saving UE traffic.
  • the base station receives the traffic download rate threshold sent by the user equipment, and determines whether the average download rate of the user equipment when using the CA technology for downloading is greater than the traffic download rate threshold; if yes, the bandwidth of the CA used when the user equipment downloads The combined bandwidth is reduced such that the average download rate of the user equipment is less than or equal to the traffic download rate threshold.
  • the embodiment of the present disclosure can adjust the bandwidth combination of the CA to adjust the average download rate of the user equipment. For the user equipment with limited traffic, the user equipment download rate can be effectively controlled, and the UE traffic is saved.
  • FIG. 2 is a flowchart of a method for controlling a carrier aggregation CA download rate according to an embodiment of the present disclosure. As shown in FIG. 2, the method for controlling a carrier aggregation CA download rate described in this embodiment includes:
  • the base station sends, to the user equipment, the configuration information that is used to measure the traffic downloading rate of the user equipment, so that the user equipment measures the traffic downloading rate of the user equipment; where, when the traffic downloading rate of the user equipment exceeds a preset threshold, the user equipment Prompts the user to set the traffic download rate threshold.
  • the user equipment after the user equipment receives the configuration information that is sent by the base station, including the measurement of the traffic download rate of the user equipment, the user equipment measures the traffic download rate of the user equipment, and the preset threshold may be set according to the traffic plan customized by the user equipment.
  • the user equipment prompts the user when the traffic rate of the user equipment exceeds the preset threshold.
  • the traffic download rate threshold is set, and the embodiment of the present disclosure is implemented to prompt the user to set a traffic download rate threshold, so that the user can monitor the traffic usage of the user equipment in real time and improve the user experience.
  • the base station receives a traffic download rate threshold sent by the user equipment.
  • the base station determines whether the average download rate when the user equipment uses the CA technology for downloading is greater than the traffic download rate threshold.
  • the base station reduces the bandwidth of the bandwidth combination of the CA used by the user equipment to download, so that the average download rate of the user equipment is less than or Equal to the traffic download rate threshold.
  • S220-S240 in the embodiment of the present disclosure may refer to S110-S130 in the above embodiment.
  • the terminal sends, to the user equipment, configuration information that includes measuring a traffic download rate of the user equipment, so that the user equipment measures a traffic download rate of the user equipment, receives a traffic download rate threshold sent by the user equipment, and determines that the user equipment uses the CA technology. Whether the average download rate when downloading is greater than the traffic download rate threshold; if so, the bandwidth of the bandwidth combination of the CA used when downloading by the user equipment is reduced, so that the average download rate of the user equipment is less than or equal to the traffic download rate threshold.
  • the embodiment of the present disclosure can adjust the bandwidth combination of the CA to adjust the average download rate of the user equipment. For the user equipment with insufficient traffic, the user equipment download rate can be effectively controlled, and the UE traffic is saved.
  • FIG. 3 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • the base station described in this embodiment includes a receiving unit 310, a determining unit 320, and an executing unit 330, where:
  • the receiving unit 310 is configured to receive a traffic download rate threshold sent by the user equipment.
  • the receiving unit 310 receives the traffic download rate threshold sent by the user equipment.
  • the traffic download rate threshold may be set by the user and sent by the user equipment to the base station.
  • the user equipment UE may be, but not limited to, a mobile phone or a tablet.
  • the determining unit 320 is configured to determine whether the average download rate when the user equipment downloads using the CA technology is greater than a traffic download rate threshold.
  • the base station when the CA technology is used, the base station (eNB) can acquire the average download rate of the UE in real time and store it in the resource scheduler of the base station, and the base station acquires the average download rate of the UE from the resource scheduler, when the receiving unit 310
  • the determining unit 320 determines whether the average download rate when the user equipment uses the CA technology for downloading is greater than the traffic download rate threshold, and determines that the average download rate of the user equipment when using the CA technology for downloading is greater than the traffic rate. Download The rate threshold is then transferred to the execution unit 330; if it is determined that the average download rate when the user equipment uses the CA technology for downloading is less than or equal to the traffic download rate threshold, the execution ends.
  • the performing unit 330 is configured to: when the determining unit 320 determines that the average downloading rate of the user equipment is greater than the traffic downloading rate threshold, reduce the bandwidth of the bandwidth combination of the CA used by the user equipment to download, so that the average downloading rate of the user equipment is less than or equal to Traffic download rate threshold.
  • the execution unit 330 when the average download rate when the user equipment downloads using the CA technology is greater than the traffic download rate threshold, the execution unit 330 reduces the bandwidth of the bandwidth combination of the CA used by the user equipment for downloading.
  • CA technology allows LTE technology (the radio interface is configured to have up to five component carriers, only one of the five component carriers is the primary component carrier, and the other is the secondary component carrier, and the bandwidth corresponding to each component carrier can be For any of 1.4M, 3M, 5M, 10M, 15M, and 20M, when the number of CA carriers is up to five, the bandwidth combination of the CA can be up to 100M. For example, if the current UE uses a CA with a bandwidth combination of 15M.
  • the bandwidth combination of the CA can be adjusted to 15M+15M, and the execution unit 303 reduces the bandwidth of the bandwidth combination of the CA used by the user equipment to be downloaded from 35M to 30M, so that the average download rate of the user equipment is reduced, and the The average download rate is less than or equal to the traffic download rate threshold.
  • the bandwidth combination of the CA includes the primary cell bandwidth and the M secondary cell bandwidths
  • the execution unit 303 reduces the bandwidth of the bandwidth combination of the CA used by the user equipment to download, including:
  • the execution unit 330 reduces the bandwidth of the M secondary cells included in the bandwidth combination of the CA used by the user equipment for downloading to N secondary cell bandwidths, where N is a positive integer smaller than M;
  • the performing unit 330 adjusts the at least one secondary cell bandwidth of the M secondary cell bandwidths included in the bandwidth combination of the CA used by the user equipment for downloading, and the total bandwidth of the M secondary cell bandwidths included in the adjusted bandwidth combination is less than M The total bandwidth of the secondary cell bandwidth; or
  • the execution unit 330 reduces the bandwidth of the M secondary cells included in the bandwidth combination of the CA used for downloading by the user equipment to the N secondary cell bandwidths, and the N secondary cells included in the bandwidth combination of the CA used for downloading the user equipment.
  • the bandwidth of at least one secondary cell in the bandwidth is adjusted, and the total bandwidth of the N secondary cells included in the adjusted bandwidth combination is smaller than the total bandwidth of the M secondary cell bandwidths before the adjustment.
  • the bandwidth combination of the CA includes a primary cell bandwidth and M secondary cell bandwidths, where M is a positive integer less than or equal to 4.
  • the execution unit 330 reduces the bandwidth of the M secondary cells included in the bandwidth combination of the CA used by the user equipment to be downloaded to the N secondary cell bandwidths. For example, if M is 4 and N is 3, the user equipment is used for downloading.
  • CA's bandwidth combination is 15M (primary cell bandwidth) +15M+15M+15M+15M becomes 15M (main cell bandwidth) +15M+15M+15M, and the bandwidth combination size of CA is changed from 75M to 60M.
  • This method reduces the number of secondary cell bandwidths (from 4 to 3).
  • the bandwidth of the bandwidth combination of the CA used by the user equipment for downloading is reduced by 15M, so that the download rate when the user equipment uses the CA technology for downloading can be effectively controlled, and the usage traffic of the user equipment is saved.
  • the execution unit 330 adjusts the secondary cell bandwidth included in the bandwidth combination of the CA used by the user equipment for downloading, and the total bandwidth of the secondary cell bandwidth included in the adjusted bandwidth combination is smaller than the total bandwidth of the M secondary cell bandwidths, for example, if M is 4, the bandwidth combination of the CA used when downloading the user equipment is changed from 15M (main cell bandwidth) + 15M + 15M + 15M + 15M to 15M (main cell bandwidth) + 15M + 15M + 10M + 5M, CA The bandwidth combination size is changed from 75M to 60M, and the adjusted CA bandwidth combination is still 1 primary cell bandwidth and 4 secondary cell bandwidths. The adjusted CA bandwidth combination size is changed from the previous 75M to 60M, which changes the secondary cell.
  • the size of the bandwidth (one of the secondary cell bandwidths is changed from 15M to 10M, and the other secondary cell bandwidth is changed from 15M to 5M).
  • the bandwidth of the bandwidth combination of the CA used by the user equipment for downloading is reduced by 15M, thereby effectively controlling the user equipment.
  • the execution unit 330 reduces the at least one secondary cell bandwidth combination included in the bandwidth combination of the CA used by the user equipment for downloading to the N secondary cell bandwidths, and the secondary cell bandwidth included in the bandwidth combination of the CA used for downloading the user equipment. Make adjustments. For example, if M is 4, the bandwidth combination of the CA used when downloading the user equipment is changed from 15M (main cell bandwidth) + 15M+15M+15M+15M to 15M (primary cell bandwidth) +15M+15M+ 10M, CA's bandwidth combination size is changed from 75M to 55M. This method reduces the number of secondary cell bandwidths (from 4 to 3) and changes the size of the secondary cell bandwidth (one of the secondary cell bandwidths changes from 15M).
  • the adjusted CA bandwidth combination becomes 1 primary cell bandwidth and 3 secondary cell bandwidths
  • the adjusted CA bandwidth combination size is changed from the previous 75M to 55M
  • the bandwidth combination of the CA used by the user equipment for downloading is The bandwidth is reduced by 20M, which can effectively control the download rate when the user equipment uses CA technology to download, and save the usage traffic of the user equipment.
  • the performing unit 330 reduces the bandwidth of the M secondary cells included in the bandwidth combination of the CA used by the user equipment to the N secondary cell bandwidths, including:
  • the execution unit 330 adjusts the bandwidth according to the pre-acquired bandwidth, and uses the H secondary cell bandwidths of the M secondary cell bandwidths included in the bandwidth combination of the CA used for downloading by the user equipment as the secondary cell bandwidth to be deactivated.
  • the executing unit 330 deactivates the auxiliary component carriers corresponding to the H secondary cell bandwidths, and removes the H secondary cell bandwidths from the bandwidth combination of the CA.
  • the pre-acquired bandwidth quantity adjustment policy may be adjusted according to the ratio of the average download rate and the traffic download rate threshold when the user equipment uses the CA technology to download, and the average download rate when the user equipment uses the CA technology to download. 2MB/s, the traffic download speed threshold is 1.5MB/s, and the ratio of the average download rate to the traffic download rate threshold when the user equipment downloads using CA technology is 4/3, then the CA used by the user equipment for downloading is The total bandwidth of the bandwidth combination is adjusted to 3/4 of the total bandwidth of the previous broadband combination.
  • the execution unit 330 follows the pre-acquired bandwidth.
  • the bandwidth of one or more secondary cells in the bandwidth combination of the CA may be removed, and the user equipment download rate may be effectively controlled to save UE traffic.
  • the performing unit 330 adjusts the secondary cell bandwidth included in the bandwidth combination of the CA used by the user equipment to download, including:
  • the execution unit 330 determines the bandwidth of the secondary cell that needs to be adjusted in the bandwidth combination of the CA used by the user equipment to download according to the bandwidth adjustment policy that is acquired in advance;
  • the performing unit 330 deactivates the auxiliary component carrier corresponding to the secondary cell bandwidth that needs to be adjusted, and removes the secondary cell bandwidth that needs to be deactivated from the bandwidth combination of the CA;
  • the performing unit 330 activates the auxiliary component carrier with the same amount of the secondary cell bandwidth that needs to be adjusted, and adds the bandwidth of the other secondary cell corresponding to the activated auxiliary component carrier to the bandwidth combination of the CA to obtain the adjusted bandwidth combination of the CA.
  • the bandwidth of the CA's bandwidth combination includes the total bandwidth of the M secondary cell bandwidths less than the total bandwidth of the M secondary cell bandwidths before the adjustment.
  • the pre-acquired bandwidth size adjustment policy may be adjusted according to the ratio of the average download rate and the traffic download rate threshold when the user equipment uses the CA technology to download, and the average download rate when the user equipment uses the CA technology to download. 2MB/s, the traffic download speed threshold is 1.5MB/s, and the ratio of the average download rate to the traffic download rate threshold when the user equipment downloads using CA technology is 4/3, then the CA used by the user equipment for downloading is The total bandwidth of the bandwidth combination is adjusted to 3/4 of the total bandwidth of the previous bandwidth combination.
  • the execution unit 330 follows the pre-acquired bandwidth.
  • the size adjustment policy determines that the number of secondary cell bandwidths to be adjusted in the bandwidth combination of the CA used by the user equipment for downloading is 1, and therefore, the execution unit 330 selects one secondary cell among the three secondary cell bandwidths included in the bandwidth combination of the CA.
  • the corresponding auxiliary component carrier of the bandwidth (corresponding to the secondary cell bandwidth is 20M) is deactivated, and the secondary cell bandwidth (20M) is removed from the bandwidth combination of the CA.
  • the execution unit 330 activates the auxiliary component carrier corresponding to the bandwidth of the other one secondary cell (the corresponding secondary cell bandwidth is 5M), and adds the secondary cell bandwidth (5M) corresponding to the activated secondary component carrier to the bandwidth combination of the CA to obtain the adjusted CA.
  • the bandwidth combination is 15M (primary cell bandwidth) + 10M + 15M + 5M, and the total bandwidth of the adjusted CA bandwidth combination is 45M.
  • one or more secondary cell bandwidths in the bandwidth combination of the CA may be removed, and an auxiliary component carrier equal to the bandwidth of the one or more secondary cells is activated, which can effectively control the download rate of the user equipment, and save UE traffic.
  • the receiving unit 310 receives the traffic download rate threshold sent by the user equipment; the determining unit 320 determines whether the average download rate when the user equipment uses the CA technology for downloading is greater than the traffic download rate threshold; when the determining unit 320 determines that the result is
  • the execution unit 330 reduces the bandwidth of the bandwidth combination of the CA used by the user equipment for downloading, the average download rate of the user equipment is less than or equal to the traffic download rate threshold.
  • the embodiment of the present disclosure can adjust the bandwidth combination of the CA to adjust the average download rate of the user equipment. For the user equipment with limited traffic, the user equipment download rate can be effectively controlled, and the UE traffic is saved.
  • FIG. 4 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • the base station described in this embodiment includes a receiving unit 310, a determining unit 320, and an executing unit 330 shown in FIG. 3, and a transmitting unit 340, where:
  • the sending unit 340 is configured to send configuration information including measuring a traffic download rate of the user equipment to the user equipment.
  • the sending unit sends the configuration information to the user equipment, and the user equipment measures the traffic downloading rate of the user equipment according to the configuration information.
  • the user equipment prompts the user to set the traffic downloading rate threshold.
  • the user equipment measures the user equipment according to the configuration information.
  • the traffic download rate, the preset threshold can be set according to the traffic plan customized by the user equipment. The more the total traffic included in the traffic package, the larger the preset threshold.
  • the user equipment prompts.
  • the user sets the traffic download rate threshold, and implements the embodiment of the present disclosure to prompt the user to set the traffic download rate threshold, so that the user can monitor the traffic usage of the user equipment in real time and improve the user experience.
  • the sending unit 340 sends, to the user equipment, configuration information that includes measuring the traffic download rate of the user equipment, so that the user equipment measures the traffic download rate of the user equipment according to the configuration information, and the receiving unit 310 receives the traffic sent by the user equipment.
  • the downloading rate threshold is determined.
  • the determining unit 320 determines whether the average downloading rate when the user equipment uses the CA technology to download is greater than the traffic downloading rate threshold. When the determining unit 320 determines that the result is yes, the executing unit 330 uses the CA of the user equipment to download. The bandwidth of the bandwidth combination is reduced such that the average download rate of the user equipment is less than or equal to the traffic download rate threshold.
  • the embodiment of the present disclosure can adjust the bandwidth combination of the CA to adjust the average download rate of the user equipment. For the user equipment with insufficient traffic, the user equipment download rate can be effectively controlled, and the UE traffic is saved.
  • FIG. 5 is a schematic diagram of a system for controlling a carrier aggregation CA download rate according to an embodiment of the present disclosure.
  • a system for controlling a carrier aggregation CA download rate shown in FIG. 5 is used to perform the disclosure of the embodiment of the present disclosure.
  • the method for controlling the carrier aggregation CA download rate, as shown in FIG. 5, the system for controlling the carrier aggregation CA download rate may include:
  • Base station 50 and user equipment 51 wherein base station 50 and user equipment 51 are connected by a wireless network;
  • the user equipment 51 is configured to send a traffic download rate threshold to the base station 50;
  • the base station 50 is configured to determine whether the average download rate when the user equipment uses the CA technology for downloading is greater than the traffic download rate threshold. If the average download rate when the user equipment uses the CA technology for downloading is greater than the traffic download rate threshold, the user equipment performs the user equipment. The bandwidth of the bandwidth combination of the CA used in the download is reduced so that the average download rate of the user equipment is less than or equal to the traffic download rate threshold.
  • the system for controlling the CA download rate of the carrier aggregation described in FIG. 5 can effectively control the download rate of the user equipment 51 and save the traffic of the user equipment 51.
  • the non-transitory computer readable storage medium may include a flash disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like.
  • the hardware structure diagram of the base station in the foregoing embodiment may include
  • One or more processors 610, one processor 610 is taken as an example in FIG. 6;
  • the base station may further include: an input device 630 and an output device 640.
  • the processor 610, the memory 620, the input device 630, and the output device 640 in the base station may be connected by a bus or other means, and the bus connection is taken as an example in FIG.
  • the memory 620 can be used to store software programs, computer executable programs, and modules, such as program instructions/modules corresponding to methods for controlling carrier aggregation download rates in embodiments of the present disclosure (eg, The receiving unit 310, the determining unit 320, and the executing unit 330) shown in FIG.
  • the processor 610 executes various functional applications and data processing of the server by running software programs, instructions, and modules stored in the memory 620, that is, a method of controlling the carrier aggregation download rate of the above method embodiments.
  • the memory 620 may include a storage program area and an storage data area, wherein the storage program area may store an operating system, an application required for at least one function; the storage data area may store data created according to usage of the terminal device, and the like.
  • memory 620 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • memory 620 can optionally include memory remotely located relative to processor 610, which can be connected to the terminal device over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • Input device 630 can be used to receive input digital or character information and to generate key signal inputs related to user settings and function control of the terminal.
  • the output device 640 can include a display device such as a display screen.
  • the one or more modules are stored in the memory 620, and when executed by the one or more processors 610, perform a method of controlling a carrier aggregation download rate in the above method embodiments.
  • the method and the device for controlling the carrier aggregation download rate provided by the present disclosure can adjust the average download rate of the user equipment by adjusting the bandwidth combination of the CA. For the user equipment with limited traffic, the user equipment download rate can be effectively controlled, and the UE traffic is saved.

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Abstract

控制载波聚合CA下载速率的方法及基站，该方法包括：接收用户设备发送的流量下载速率阈值；判断用户设备使用CA技术进行下载时的平均下载速率是否大于流量下载速率阈值；若是，将用户设备进行下载时所使用CA的带宽组合的带宽减少，以使用户设备平均下载速率小于或等于流量下载速率阈值。

Description

控制载波聚合CA下载速率的方法及基站
本申请要求于2015年8月26日提交中国专利局，申请号为201510530581.4、发明名称为“一种控制载波聚合CA下载速率的方法及基站”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
本公开涉及通信技术领域，例如涉及一种控制载波聚合(Carrier Aggregation，CA)下载速率的方法及基站。
背景技术
CA技术是一种增加传输带宽的技术。CA技术可以将2-5个长期演进(Long Term Evolution，LTE)成员载波(Component Carrier，CC)聚合在一起，可以实现最大100MHz的传输带宽，有效提高了用户设备(User Equipment，UE)的下载速率。然而，对于流量有限的UE而言，采用CA技术会使得UE流量快速耗尽，无法有效控制UE下载速率，容易产生额外的流量资费。
发明内容
本公开实施例提供一种控制载波聚合CA下载速率的方法及基站，可以有效控制用户设备下载速率，节省UE流量。
本公开实施例第一方面，提供了一种控制载波聚合CA下载速率的方法，包括：
接收用户设备发送的流量下载速率阈值；
当判断所述用户设备使用CA技术进行下载时的平均下载速率大于所述流量下载速率阈值；将所述用户设备进行所述下载时所使用CA的带宽组合的带宽减少，以使所述用户设备平均下载速率小于或等于所述流量下载速率阈值。
在本公开实施例第一方面的第一种可能的实现方式中，所述CA的带宽组合包括主小区带宽和M个辅小区带宽，所述将所述用户设备进行所述下载时所使用CA的带宽组合的带宽减少，包括：
将所述用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽减少为N个辅小区带宽，其中N为小于M的正整数；或者
对所述用户设备进行下载时所使用CA的带宽组合包括的M个辅小区带宽中的至少一个辅小区带宽进行调整，所述调整后带宽组合包括的M个辅小区带宽的总带宽小于调整前M个辅小区带宽的总带宽；或者
将所述用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽组合减少为N个辅小区带宽，以及对所述用户设备进行下载时所使用CA的带宽组合包括的N个辅小区带宽中的至少一个辅小区带宽进行调整，所述调整后带宽组合包括的N个辅小区带宽总带宽小于调整前所述M个辅小区带宽的总带宽。
结合本公开实施例第一方面的第一种可能的实现方式，在本公开实施例第一方面的第二种可能的实现方式中，所述将所述用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽减少为N个辅小区带宽，包括：
按照预先获取的带宽数量调整策略，将所述用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽中的H个辅小区带宽作为需要被去激活的辅小区带宽，其中，N+H＝M，N为当前需要保留的辅小区带宽的数量；
对所述H个辅小区带宽对应的辅助分量载波进行去激活，将所述H个辅小区带宽从所述CA的带宽组合中去除。
结合本公开实施例第一方面的第一种可能的实现方式，在本公开实施例第一方面的第三种可能的实现方式中，所述对所述用户设备进行下载时所使用CA的带宽组合包括的辅小区带宽进行调整，包括：
按照预先获取的带宽大小调整策略，确定所述用户设备进行下载时所使用CA的带宽组合中需要进行调整的辅小区带宽数量；
对所述需要进行调整的辅小区带宽对应的辅助分量载波进行去激活，将所述需要被去激活的辅小区带宽从所述CA的带宽组合中去除；
激活与所述需要进行调整的辅小区带宽数量相等的辅助分量载波，将所述激活的辅助分量载波对应的其他辅小区带宽加入所述CA的带宽组合，得到调整后的CA的带宽组合，其中，所述调整后的CA的带宽组合包括的M个辅小区带宽的总带宽小于调整前所述M个辅小区带宽的总带宽。
结合本公开实施例第一方面或本公开实施例第一方面的第一种至第三种中任一可能的实现方式，在本公开实施例第一方面的第四种可能的实现方式中，所述接收用户设备发送的流量下载速率阈值之前，所述方法还包括：
向所述用户设备发送包含测量所述用户设备的流量下载速率的配置信息以使所述用户设备测量所述用户设备的流量下载速率；其中，当所述用户设备的 流量下载速率超过预设阈值时，所述用户设备提示用户设置所述流量下载速率阈值。
本公开实施例第二方面，提供了一种基站，包括：
接收单元，设置为接收用户设备发送的流量下载速率阈值；
判断单元，设置为判断所述用户设备使用CA技术进行下载时的平均下载速率是否大于所述流量下载速率阈值；
执行单元，设置为当所述判断单元判断结果为是时，将所述用户设备进行下载时所使用CA的带宽组合的带宽减少。
在本公开实施例第二方面的第一种可能的实现方式中，所述CA的带宽组合包括主小区带宽和M个辅小区带宽，所述执行单元将所述用户设备进行下载时所使用CA的带宽组合的带宽减少，包括：
所述执行单元将所述用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽减少为N个辅小区带宽；或者
所述执行单元对所述用户设备进行下载时所使用CA的带宽组合包括的M个辅小区带宽进行调整，所述调整后带宽组合包括的M个辅小区带宽的总带宽小于调整前所述M个辅小区带宽的总带宽；或者
所述执行单元将所述用户设备进行所述下载时所使用CA的带宽组合中包括的M个辅小区带宽组合减少为N个辅小区带宽，以及对所述用户设备进行下载时所使用CA的带宽组合包括的N个辅小区带宽进行调整，所述调整后带宽组合包括的N个辅小区带宽总带宽小于所述M个辅小区带宽的总带宽。
结合本公开实施例第二方面的第一种可能的实现方式，在本公开实施例第二方面的第二种可能的实现方式中，所述执行单元将所述用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽减少为N个辅小区带宽，包括：
所述执行单元将按照预先获取的带宽数量调整策略将所述用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽中H个辅小区带宽作为需要被去激活的辅小区带宽，其中，N+H＝M，N为当前需要保留的辅小区带宽的数量；
所述执行单元对所述H个辅小区带宽对应的辅助分量载波进行去激活，将所述H个辅小区带宽从所述CA的带宽组合中去除。
结合本公开实施例第二方面的第一种可能的实现方式，在本公开实施例第二方面的第三种可能的实现方式中，所述执行单元对所述用户设备进行所述下载时所使用CA的带宽组合包括的辅小区带宽进行调整，包括：
所述执行单元按照预先获取的带宽大小调整策略确定所述用户设备进行所述下载时所使用CA的带宽组合中需要进行调整的辅小区带宽数量；
所述执行单元对所述需要进行调整的辅小区带宽对应的辅助分量载波进行去激活，将所述需要被去激活的辅小区带宽从所述CA的带宽组合中去除；
所述执行单元激活与所述需要进行调整的辅小区带宽数量相等的辅助分量载波，将所述激活的辅助分量载波对应的其他辅小区带宽加入所述CA的带宽组合，得到调整后的CA的带宽组合，其中，所述调整后的CA的带宽组合包括的M个辅小区带宽的总带宽小于所述M个辅小区带宽的总带宽。
结合本公开实施例第二方面或本公开实施例第二方面的第一种至第三种中任一种可能的实现方式，在本公开实施例第二方面的第四种可能的实现方式中，所述基站还包括：
发送单元，设置为向所述用户设备发送包含测量所述用户设备的流量下载速率的配置信息以使所述用户设备测量所述用户设备的流量下载速率；其中，当所述用户设备的流量下载速率超过预设阈值时，所述用户设备提示用户设置所述流量下载速率阈值。
本公开实施例的第三方面，提供了一种基站，该基站包括一个或多个处理器、存储器以及一个或多个程序，所述一个或多个程序存储在存储器中，当被一个或多个处理器执行时，执行上述方法。
本公开实施例的第四方面，提供一种非瞬时性计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行上述方法。
本公开实施例中，接收用户设备发送的流量下载速率阈值；判断用户设备使用CA技术进行下载时的平均下载速率是否大于流量下载速率阈值；若是，将用户设备进行下载时所使用CA的带宽组合的带宽减少，以使用户设备平均下载速率小于或等于流量下载速率阈值。
实施本公开实施例，可以通过调整CA的带宽组合(例如从15M+20M调整为15M+10M)以调整用户设备平均下载速率，对于流量不足的用户设备而言，可以有效控制用户设备下载速率，节省UE流量。
附图说明
为了更清楚地说明本公开实施例或相关技术中的技术方案，下面将对实施例或相关技术描述中所需要使用的附图作相关介绍。
图1是本公开实施例公开的一种控制载波聚合CA下载速率的方法的流程图；
图2是本公开实施例公开的一种控制载波聚合CA下载速率的方法的流程图；
图3是本公开实施例公开的一种基站的结构示意图；
图4是本公开实施例公开的一种基站的结构示意图；
图5是本公开实施例公开的一种控制载波聚合CA下载速率的系统示意图；
图6是本公开实施例公开的一种基站的硬件结构示意图。
实施方式
下面将结合本公开实施方式中的附图，对本公开实施方式中的技术方案进行相关描述。所描述的实施方式是本公开的一部分实施方式，而不是全部实施方式。
本公开实施例提供一种控制载波聚合CA下载速率的方法及基站，可以有效控制用户设备下载速率，节省UE流量。
请参阅图1，图1是本公开实施例公开的一种控制载波聚合CA下载速率的方法的流程图。如图1所示，本实施例中所描述的控制载波聚合CA下载速率的方法，包括：
在S110中，基站接收用户设备发送的流量下载速率阈值。
本公开实施例中，流量下载速率阈值可以由用户进行设置后，由用户设备发送给基站，用户设备UE可以但不限于为手机或平板电脑等。
在S120中，基站判断用户设备使用CA技术进行下载时的平均下载速率是否大于流量下载速率阈值。
本公开实施例中，使用CA技术时，基站(eNB)可以实时获取UE的平均下载速率并存储在基站的资源调度器中，基站从资源调度器中获取UE的平均下载速率，当接收用户设备发送的流量下载速率阈值之后，基站判断用户设备的平均下载速率是否大于流量下载速率阈值，若基站判定用户设备使用CA技术进行下载时的平均下载速率大于流量下载速率阈值，则执行S130；若基站判定用户 设备使用CA技术进行下载时的平均下载速率小于或等于流量下载速率阈值，则结束流程。
在S130中，若判断用户设备的平均下载速率大于流量下载速率阈值，基站将用户设备进行下载时所使用CA的带宽组合的带宽减少，以使用户设备平均下载速率小于或等于流量下载速率阈值。
本公开实施例中，当用户设备使用CA技术进行下载时的平均下载速率大于流量下载速率阈值时，基站将用户设备进行下载时所使用CA的带宽组合的带宽减少。
在第三代合作伙伴计划(3rd Generation Partnership Project，3GPP)中的版本(Release)10中，CA技术允许LTE技术的无线接口配置为具有最多五个分量载波，五个分量载波中只有一个主分量载波，其他的为辅分量载波，每个分量载波对应的带宽可以为1.4M、3M、5M、10M、15M和20M中的任意一个，当CA载波数量为最多五个时，CA的带宽组合最大可达100M。例如，若当前UE使用的CA的带宽组合为15M+20M，可以将CA的带宽组合调整为15M+15M，从而使得用户设备进行下载时所使用CA的带宽组合的带宽从35M减少到30M，以使用户设备平均下载速率降低，并保证该平均下载速率小于或等于流量下载速率阈值。
在一些可行的实施方式中，CA的带宽组合包括主小区带宽和M个辅小区带宽，将用户设备进行下载时所使用CA的带宽组合的带宽减少，包括：
将用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽减少为N个辅小区带宽，其中N为小于M的正整数；或者
对用户设备进行下载时所使用CA的带宽组合包括的M个辅小区带宽中的至少一个辅小区带宽进行调整，调整后的带宽组合包括的M个辅小区带宽的总带宽小于调整前M个辅小区带宽的总带宽；或者
将用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽减少为N个辅小区带宽，以及对用户设备进行下载时所使用CA的带宽组合包括的N个辅小区带宽中的至少一个辅小区带宽进行调整，调整后带宽组合包括的N个辅小区带宽的总带宽小于调整前M个辅小区带宽的总带宽。
本公开实施例中，CA的带宽组合包括主小区带宽和M个辅小区带宽，其中，M为小于等于4的正整数。将用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽减少为N个辅小区带宽，例如，若M为4，N为3，将用户设 备进行下载时所使用CA的带宽组合由15M(主小区带宽)+15M+15M+15M+15M变为15M(主小区带宽)+15M+15M+15M，CA的带宽组合大小由75M变为60M，这种方式减少了辅小区带宽的数量(从4变为3)，用户设备进行下载时所使用CA的带宽组合的带宽减少了15M，从而可以有效控制用户设备使用CA技术进行下载时的下载速率，节省用户设备的使用流量。
对用户设备进行下载时所使用CA的带宽组合包括的辅小区带宽进行调整，调整后带宽组合包括的辅小区带宽的总带宽大小小于M个辅小区带宽的总带宽大小，例如，若M为4，将用户设备进行下载时所使用CA的带宽组合由15M(主小区带宽)+15M+15M+15M+15M变为15M(主小区带宽)+15M+15M+10M+5M，CA的带宽组合大小由75M变为60M，调整后的CA带宽组合还是1个主小区带宽和4个辅小区带宽，调整后的CA带宽组合大小由之前的75M变为60M，这种方式改变了辅小区带宽的大小(其中的一个辅小区带宽从15M变为10M，另一个辅小区带宽从15M变为5M)用户设备进行下载时所使用CA的带宽组合的带宽减少了15M，从而可以有效控制用户设备使用CA技术进行下载时的下载速率，节省用户设备的使用流量。
将用户设备进行下载时所使用CA的带宽组合中包括的至少一个辅小区带宽组合减少为N个辅小区带宽，以及对用户设备进行下载时所使用CA的带宽组合包括的辅小区带宽进行调整，例如，若M为4，将用户设备进行下载时所使用CA的带宽组合由15M(主小区带宽)+15M+15M+15M+15M变为15M(主小区带宽)+15M+15M+10M，CA的带宽组合大小由75M变为55M，这种方式既减少了辅小区带宽的数量(从4变为3)，又改变了辅小区带宽的大小(其中的一个辅小区带宽从15M变为10M)，调整后的CA带宽组合变为1个主小区带宽和3个辅小区带宽(辅小区带宽减少了1个)，调整后的CA带宽组合大小由之前的75M变为55M，用户设备进行下载时所使用CA的带宽组合的带宽减少了20M，从而可以有效控制用户设备使用CA技术进行下载时的下载速率，节省用户设备的使用流量。
在一些可行的实施方式中，将用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽减少为N个辅小区带宽，包括：
按照预先获取的带宽数量调整策略，基站将用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽中的H个辅小区带宽作为需要被去激活的辅小区带宽，其中，N+H＝M，N为当前需要保留的辅小区带宽的数量；
对H个辅小区带宽对应的辅助分量载波进行去激活，将H个辅小区带宽从 CA的带宽组合中去除。
本公开实施例中，预先获取的带宽数量调整策略可以根据用户设备使用CA技术进行下载时的平均下载速率与流量下载速率阈值的比值进行调整，若用户设备使用CA技术进行下载时的平均下载速率为2MB/s，流量下载速度阈值为1.5MB/s，则用户设备使用CA技术进行下载时的平均下载速率与流量下载速率阈值的比值为4/3，那么用户设备进行下载时所使用CA的带宽组合的总带宽调整为调整之前的带宽组合的总带宽的3/4。
示例性地，用户设备进行下载时所使用CA的带宽组合为15M(主小区带宽)+10M+15M+20M，即CA的带宽组合的总带宽为60M，则按照预先获取的带宽数量调整策略，调整之后的CA的带宽组合的总带宽应为60*3/4＝45M。因此需要将CA的带宽组合中包括的3个辅小区带宽中1个辅小区带宽(对应辅小区带宽为15M)作为需要被去激活的辅小区带宽，将辅小区带宽中的15M从CA的带宽组合中去除，CA的带宽组合变为15M(主小区带宽)+10M+20M，调整后CA的带宽组合的总带宽为45M。
实施本公开实施例，可将CA的带宽组合中的其中一个或多个辅小区带宽去除，以有效控制用户设备下载速率，节省UE流量。
在一些可行的实施方式中，对用户设备进行下载时所使用CA的带宽组合包括的辅小区带宽进行调整，包括：
按照预先获取的带宽大小调整策略，确定用户设备进行下载时所使用CA的带宽组合中需要进行调整的辅小区带宽数量；
对需要进行调整的辅小区带宽对应的辅助分量载波进行去激活，将需要被去激活的辅小区带宽从CA的带宽组合中去除；
激活与需要进行调整的辅小区带宽数量相等的辅助分量载波，将激活的辅助分量载波对应的其他辅小区带宽加入CA的带宽组合，得到调整后的CA的带宽组合，其中，调整后的CA的带宽组合包括的M个辅小区带宽的总带宽小于调整前的M个辅小区带宽的总带宽。
本公开实施例中，预先获取的带宽大小调整策略可以根据用户设备使用CA技术进行下载时的平均下载速率与流量下载速率阈值的比值进行调整，若用户设备使用CA技术进行下载时的平均下载速率为2MB/s，流量下载速度阈值为1.5MB/s，则用户设备使用CA技术进行下载时的平均下载速率与流量下载速率阈值的比值为4/3，那么用户设备进行下载时所使用CA的带宽组合的总带宽调 整为调整之前的带宽组合的总带宽的3/4。
示例性地，用户设备进行下载时所使用CA的带宽组合为15M(主小区带宽)+10M+15M+20M，即CA的带宽组合的总带宽为60M，则按照预先获取的带宽大小调整策略，调整之后的CA的带宽组合的总带宽应为60*3/4＝45M，基站确定用户设备进行下载时所使用CA的带宽组合中需要进行调整的辅小区带宽数量为1，因此基站对CA的带宽组合中包括的3个辅小区带宽中的1个辅小区带宽(对应辅小区带宽为20M)对应的辅助分量载波进行去激活，将该辅小区带宽(20M)从CA的带宽组合中去除。同时基站激活其他1个辅小区带宽(对应辅小区带宽为5M)对应的辅助分量载波，将激活的辅助分量载波对应的辅小区带宽(5M)加入CA的带宽组合，得到调整后的CA的带宽组合为15M(主小区带宽)+10M+15M+5M，调整后CA的带宽组合的总带宽为45M。
实施本公开实施例，可将CA的带宽组合中的一个或多个辅小区带宽去除，同时激活与该一个或多个辅小区带宽数量相等的辅助分量载波，以有效控制用户设备下载速率，节省UE流量。
本公开实施例中，基站接收用户设备发送的流量下载速率阈值；判断用户设备使用CA技术进行下载时的平均下载速率是否大于流量下载速率阈值；若是，将用户设备进行下载时所使用CA的带宽组合的带宽减少，以使用户设备平均下载速率小于或等于流量下载速率阈值。实施本公开实施例，可以通过调整CA的带宽组合以调整用户设备平均下载速率，对于流量有限的用户设备而言，可以有效控制用户设备下载速率，节省UE流量。
请参阅图2，图2是本公开实施例公开的一种控制载波聚合CA下载速率的方法的流程图。如图2所示，本实施例中所描述的控制载波聚合CA下载速率的方法，包括：
在S210中，基站向用户设备发送包含测量用户设备的流量下载速率的配置信息，以使用户设备测量用户设备的流量下载速率；其中，当用户设备的流量下载速率超过预设阈值时，用户设备提示用户设置流量下载速率阈值。
本公开实施例中，当用户设备接收到基站发送的包含测量用户设备的流量下载速率的配置信息之后，用户设备测量用户设备的流量下载速率，预设阈值可以根据用户设备定制的流量套餐进行设定，流量套餐包含的总流量越多，预设阈值越大，当用户设备的流量下载速率超过预设阈值时，用户设备提示用户 设置流量下载速率阈值，实施本公开实施例，可以提醒用户设置流量下载速率阈值，方便用户实时监控用户设备的流量使用情况，提升了用户体验。
在S220中，基站接收用户设备发送的流量下载速率阈值。
在S230中，基站判断用户设备使用CA技术进行下载时的平均下载速率是否大于流量下载速率阈值。
在S240中，若判断用户设备使用CA技术进行下载时的平均下载速率大于流量下载速率阈值，基站将用户设备进行下载时所使用CA的带宽组合的带宽减少，以使用户设备平均下载速率小于或等于流量下载速率阈值。
本公开实施例中的S220-S240可以参阅上述实施例中的S110-S130。
本公开实施例中，终端向用户设备发送包含测量用户设备的流量下载速率的配置信息以使用户设备测量用户设备的流量下载速率；接收用户设备发送的流量下载速率阈值；判断用户设备使用CA技术进行下载时的平均下载速率是否大于流量下载速率阈值；若是，将用户设备进行下载时所使用CA的带宽组合的带宽减少，以使用户设备平均下载速率小于或等于流量下载速率阈值。实施本公开实施例，可以通过调整CA的带宽组合以调整用户设备平均下载速率，对于流量不足的用户设备而言，可以有效控制用户设备下载速率，节省UE流量。
请参阅图3，图3是本公开实施例公开的一种基站的结构示意图。如图3所示，本实施例中所描述的基站，包括接收单元310、判断单元320和执行单元330，其中：
接收单元310，设置为接收用户设备发送的流量下载速率阈值。
本公开实施例中，接收单元310接收用户设备发送的流量下载速率阈值。流量下载速率阈值可以由用户进行设置后，由用户设备发送给基站，用户设备UE可以但不限于为手机或平板电脑等。
判断单元320，设置为判断用户设备使用CA技术进行下载时的平均下载速率是否大于流量下载速率阈值。
本公开实施例中，使用CA技术时，基站(eNB)可以实时获取UE的平均下载速率并存储在基站的资源调度器中，基站从资源调度器中获取UE的平均下载速率，当接收单元310接收用户设备发送的流量下载速率阈值之后，判断单元320判断用户设备使用CA技术进行下载时的平均下载速率是否大于流量下载速率阈值，若判定用户设备使用CA技术进行下载时的平均下载速率大于流量下载 速率阈值，则转向执行单元330；若判定用户设备使用CA技术进行下载时的平均下载速率小于或等于流量下载速率阈值，则结束执行。
执行单元330，设置为当判断单元320判断用户设备的平均下载速率大于流量下载速率阈值时，将用户设备进行下载时所使用CA的带宽组合的带宽减少，以使用户设备平均下载速率小于或等于流量下载速率阈值。
本公开实施例中，当用户设备使用CA技术进行下载时的平均下载速率大于流量下载速率阈值时，执行单元330将用户设备进行下载时所使用CA的带宽组合的带宽减少。
在3GPP Release 10中，CA技术允许LTE技术(的无线接口配置为具有最多五个分量载波，五个分量载波中只有一个主分量载波，其他的为辅分量载波，每个分量载波对应的带宽可以为1.4M、3M、5M、10M、15M和20M中的任意一个，当CA载波数量为最多五个时，CA的带宽组合最大可达100M。例如，若当前UE使用的CA的带宽组合为15M+20M，可以将CA的带宽组合调整为15M+15M，执行单元303将用户设备进行下载时所使用CA的带宽组合的带宽从35M减少到30M，以使用户设备平均下载速率降低，并保证该平均下载速率小于或等于流量下载速率阈值。
可选的，CA的带宽组合包括主小区带宽和M个辅小区带宽，执行单元303将用户设备进行下载时所使用CA的带宽组合的带宽减少，包括：
执行单元330将用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽减少为N个辅小区带宽，其中N为小于M的正整数；或者
执行单元330对用户设备进行下载时所使用CA的带宽组合包括的M各辅小区带宽中的至少一个辅小区带宽进行调整，调整后的带宽组合包括的M个辅小区带宽的总带宽小于M个辅小区带宽的总带宽；或者
执行单元330将用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽减少为N个辅小区带宽，以及对用户设备进行下载时所使用CA的带宽组合包括的N个辅小区带宽中的至少一个辅小区带宽进行调整，调整后带宽组合包括的N个辅小区带宽总带宽小于调整前M个辅小区带宽的总带宽。
本公开实施例中，CA的带宽组合包括主小区带宽和M个辅小区带宽，其中，M为小于等于4的正整数。执行单元330将用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽减少为N个辅小区带宽，例如，若M为4，N为3，将用户设备进行下载时所使用CA的带宽组合由15M(主小区带宽) +15M+15M+15M+15M变为15M(主小区带宽)+15M+15M+15M，CA的带宽组合大小由75M变为60M，这种方式减少了辅小区带宽的数量(从4变为3)，用户设备进行下载时所使用CA的带宽组合的带宽减少了15M，从而可以有效控制用户设备使用CA技术进行下载时的下载速率，节省用户设备的使用流量。
执行单元330对用户设备进行下载时所使用CA的带宽组合包括的辅小区带宽进行调整，调整后带宽组合包括的辅小区带宽的总带宽大小小于M个辅小区带宽的总带宽大小，例如，若M为4，将用户设备进行下载时所使用CA的带宽组合由15M(主小区带宽)+15M+15M+15M+15M变为15M(主小区带宽)+15M+15M+10M+5M，CA的带宽组合大小由75M变为60M，调整后的CA带宽组合还是1个主小区带宽和4个辅小区带宽，调整后的CA带宽组合大小由之前的75M变为60M，这种方式改变了辅小区带宽的大小(其中的一个辅小区带宽从15M变为10M，另一个辅小区带宽从15M变为5M)用户设备进行下载时所使用CA的带宽组合的带宽减少了15M，从而可以有效控制用户设备使用CA技术进行下载时的下载速率，节省用户设备的使用流量。
执行单元330将用户设备进行下载时所使用CA的带宽组合中包括的至少一个辅小区带宽组合减少为N个辅小区带宽，以及对用户设备进行下载时所使用CA的带宽组合包括的辅小区带宽进行调整，例如，若M为4，将用户设备进行下载时所使用CA的带宽组合由15M(主小区带宽)+15M+15M+15M+15M变为15M(主小区带宽)+15M+15M+10M，CA的带宽组合大小由75M变为55M，这种方式既减少了辅小区带宽的数量(从4变为3)，又改变了辅小区带宽的大小(其中的一个辅小区带宽从15M变为10M)，调整后的CA带宽组合变为1个主小区带宽和3个辅小区带宽，调整后的CA带宽组合大小由之前的75M变为55M，用户设备进行下载时所使用CA的带宽组合的带宽减少了20M，从而可以有效控制用户设备使用CA技术进行下载时的下载速率，节省用户设备的使用流量。
可选的，执行单元330将用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽减少为N个辅小区带宽，包括：
执行单元330按照预先获取的带宽数量调整策略，将用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽中的H个辅小区带宽作为需要被去激活的辅小区带宽，其中，N+H＝M，N为当前需要保留的辅小区带宽的数量；
执行单元330对H个辅小区带宽对应的辅助分量载波进行去激活，将H个辅小区带宽从CA的带宽组合中去除。
本公开实施例中，预先获取的带宽数量调整策略可以根据用户设备使用CA技术进行下载时的平均下载速率与流量下载速率阈值的比值进行调整，若用户设备使用CA技术进行下载时的平均下载速率为2MB/s，流量下载速度阈值为1.5MB/s，则用户设备使用CA技术进行下载时的平均下载速率与流量下载速率阈值的比值为4/3，那么用户设备进行下载时所使用CA的带宽组合的总带宽调整为调整之前的宽带组合的总带宽的3/4。
示例性地，若用户设备进行下载时所使用CA的带宽组合为15M(主小区带宽)+10M+15M+20M，即CA的带宽组合的总带宽为60M，则执行单元330按照预先获取的带宽数量调整策略，调整之后的CA的带宽组合的总带宽应为60*3/4＝45M。因此需要将CA的带宽组合中包括的3个辅小区带宽中1个辅小区带宽(对应辅小区带宽为15M)作为需要被去激活的辅小区带宽，将辅小区带宽中的15M从CA的带宽组合中去除，CA的带宽组合变为15M(主小区带宽)+10M+20M，调整后CA的带宽组合的总带宽为45M。
实施本公开实施例，可将CA的带宽组合中的其中一个或多个辅小区带宽去除，可以有效控制用户设备下载速率，节省UE流量。
可选的，执行单元330对用户设备进行下载时所使用CA的带宽组合包括的辅小区带宽进行调整，包括：
执行单元330按照预先获取的带宽大小调整策略，确定用户设备进行下载时所使用CA的带宽组合中需要进行调整的辅小区带宽数量；
执行单元330对需要进行调整的辅小区带宽对应的辅助分量载波进行去激活，将需要被去激活的辅小区带宽从CA的带宽组合中去除；
执行单元330激活与需要进行调整的辅小区带宽数量相等的辅助分量载波，将激活的辅助分量载波对应的其他辅小区带宽加入CA的带宽组合，得到调整后的CA的带宽组合，其中，调整后的CA的带宽组合包括的M个辅小区带宽的总带宽小于调整前的M个辅小区带宽的总带宽。
本公开实施例中，预先获取的带宽大小调整策略可以根据用户设备使用CA技术进行下载时的平均下载速率与流量下载速率阈值的比值进行调整，若用户设备使用CA技术进行下载时的平均下载速率为2MB/s，流量下载速度阈值为1.5MB/s，则用户设备使用CA技术进行下载时的平均下载速率与流量下载速率阈值的比值为4/3，那么用户设备进行下载时所使用CA的带宽组合的总带宽调整为调整之前的带宽组合的总带宽的3/4。
示例性地，若用户设备进行下载时所使用CA的带宽组合为15M(主小区带宽)+10M+15M+20M，即CA的带宽组合的总带宽为60M，执行单元330则按照预先获取的带宽大小调整策略确定用户设备进行下载时所使用CA的带宽组合中需要进行调整的辅小区带宽数量为1，因此执行单元330对CA的带宽组合中包括的3个辅小区带宽中的1个辅小区带宽(对应辅小区带宽为20M)对应的辅助分量载波进行去激活，将该辅小区带宽(20M)从CA的带宽组合中去除。同时执行单元330激活其他1个辅小区带宽(对应辅小区带宽为5M)对应的辅助分量载波，将激活的辅助分量载波对应的辅小区带宽(5M)加入CA的带宽组合，得到调整后的CA的带宽组合为15M(主小区带宽)+10M+15M+5M，调整后CA的带宽组合的总带宽为45M。
实施本公开实施例，可将CA的带宽组合中的一个或多个辅小区带宽去除，同时激活与该一个或多个辅小区带宽数量相等的辅助分量载波，可以有效控制用户设备下载速率，节省UE流量。
本公开实施例中，接收单元310接收用户设备发送的流量下载速率阈值；判断单元320判断用户设备使用CA技术进行下载时的平均下载速率是否大于流量下载速率阈值；当判断单元320判断结果为是时，执行单元330将用户设备进行下载时所使用CA的带宽组合的带宽减少，以使用户设备平均下载速率小于或等于流量下载速率阈值。实施本公开实施例，可以通过调整CA的带宽组合以调整用户设备平均下载速率，对于流量有限的用户设备而言，可以有效控制用户设备下载速率，节省UE流量。
请参阅图4，图4是本公开实施例公开的一种基站的结构示意图。如图4所示，本实施例中所描述的基站，除了包括图3所示的接收单元310、判断单元320和执行单元330，还包括发送单元340，其中：
发送单元340，设置为向用户设备发送包含测量用户设备的流量下载速率的配置信息。
发送单元向用户设备发送该配置信息，用户设备根据该配置信息测量用户设备的流量下载速率；其中，当用户设备的流量下载速率超过预设阈值时，用户设备提示用户设置流量下载速率阈值。
本公开实施例中，当用户设备接收到发送单元340发送的包含测量用户设备的流量下载速率的配置信息之后，用户设备根据该配置信息测量用户设备的 流量下载速率，预设阈值可以根据用户设备定制的流量套餐进行设定，流量套餐包含的总流量越多，预设阈值越大，当用户设备的流量下载速率超过预设阈值时，用户设备提示用户设置流量下载速率阈值，实施本公开实施例，可以提醒用户设置流量下载速率阈值，方便用户实时监控用户设备的流量使用情况，提升了用户体验。
本公开实施例中，发送单元340向用户设备发送包含测量用户设备的流量下载速率的配置信息，以使用户设备根据该配置信息测量用户设备的流量下载速率；接收单元310接收用户设备发送的流量下载速率阈值；判断单元320判断用户设备使用CA技术进行下载时的平均下载速率是否大于流量下载速率阈值；当判断单元320判断结果为是时，执行单元330将用户设备进行下载时所使用CA的带宽组合的带宽减少，以使用户设备平均下载速率小于或等于流量下载速率阈值。
实施本公开实施例，可以通过调整CA的带宽组合以调整用户设备平均下载速率，对于流量不足的用户设备而言，可以有效控制用户设备下载速率，节省UE流量。
请参阅图5，图5是本公开实施例公开的一种控制载波聚合CA下载速率的系统示意图，在图5所示的一种控制载波聚合CA下载速率的系统用于执行本公开实施例公开的控制载波聚合CA下载速率的方法，如图5所示，该控制载波聚合CA下载速率的系统可以包括：
基站50和用户设备51，其中，基站50和用户设备51通过无线网络连接；
用户设备51，设置为向基站50发送流量下载速率阈值；
基站50，设置为判断用户设备使用CA技术进行下载时的平均下载速率是否大于流量下载速率阈值；若判定用户设备使用CA技术进行下载时的平均下载速率大于流量下载速率阈值，则将用户设备进行下载时所使用CA的带宽组合的带宽减少，以使用户设备平均下载速率小于或等于流量下载速率阈值。
可见，通过图5所描述的控制载波聚合CA下载速率的系统，可以有效控制用户设备51下载速率，节省用户设备51的流量。
本领域普通技术人员可以理解上述实施例的方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成，该程序可以存储于一非瞬时性计算机可 读存储介质中，该程序用于执行如上述任意一项实施例中所述的控制载波聚合下载速率的方法。其中，该非瞬时性计算机可读存储介质可以包括：闪存盘、只读存储器(Read-Only Memory，ROM)、随机存取器(Random Access Memory，RAM)、磁盘或光盘等。
此外，本领域技术人员还应该理解，如图6所示，上述实施例中的基站的硬件结构示意图，可包括
一个或多个处理器610，图6中以一个处理器610为例；
存储器620；
该基站还可以包括：输入装置630和输出装置640。
该基站中的处理器610、存储器620、输入装置630和输出装置640可以通过总线或者其他方式连接，图6中以通过总线连接为例。
存储器620作为一种非瞬时性计算机可读存储介质，可用于存储软件程序、计算机可执行程序以及模块，如本公开实施例中的控制载波聚合下载速率的方法对应的程序指令/模块(例如，附图3所示的接收单元310、判断单元320和执行单元330)。处理器610通过运行存储在存储器620中的软件程序、指令以及模块，从而执行服务器的各种功能应用以及数据处理，即实现上述方法实施例的控制载波聚合下载速率的方法。
存储器620可以包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需要的应用程序；存储数据区可存储根据终端设备的使用所创建的数据等。此外，存储器620可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。在一些实施例中，存储器620可选包括相对于处理器610远程设置的存储器，这些远程存储器可以通过网络连接至终端设备。上述网络的实例包括但不限于互联网、企业内部网、局域网、移动通信网及其组合。
输入装置630可用于接收输入的数字或字符信息，以及产生与终端的用户设置以及功能控制有关的键信号输入。输出装置640可包括显示屏等显示设备。
所述一个或者多个模块存储在所述存储器620中，当被所述一个或者多个处理器610执行时，执行上述方法实施例中的控制载波聚合下载速率的方法。
以上对本公开实施例所提供的一种控制载波聚合CA下载速率的方法及基站 进行了相关介绍，本文中应用了可选示例对本公开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公开的方法及其核心思想；同时，对于本领域的一般技术人员，依据本公开的思想，在可选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公开的限制。
工业实用性
本公开提供的控制载波聚合下载速率的方法和装置，可以通过调整CA的带宽组合以调整用户设备平均下载速率，对于流量有限的用户设备而言，可以有效控制用户设备下载速率，节省UE流量。

Claims (11)

  1. 一种控制载波聚合CA下载速率的方法，包括：
    接收用户设备发送的流量下载速率阈值；
    当判定所述用户设备使用CA技术进行下载时的平均下载速率大于所述流量下载速率阈值时，将所述用户设备进行下载时所使用CA的带宽组合的带宽减少，以使所述平均下载速率小于或等于所述流量下载速率阈值。
  2. 根据权利要求1所述的方法，其中，
    所述CA的带宽组合包括主小区带宽和M个辅小区带宽；
    所述将所述用户设备进行下载时所使用CA的带宽组合的带宽减少，包括：
    将所述用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽减少为N个辅小区带宽，其中N为小于M的正整数；或者
    对所述用户设备进行下载时所使用CA的带宽组合包括的M个辅小区带宽中的至少一个辅小区带宽进行调整，调整后的带宽组合包括的M个辅小区带宽的总带宽小于调整前M个辅小区带宽的总带宽；或者
    将所述用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽减少为N个辅小区带宽，以及对所述用户设备进行下载时所使用CA的带宽组合包括的N个辅小区带宽中的至少一个辅小区带宽进行调整，所述调整后带宽组合包括的N个辅小区带宽总带宽小于调整前所述M个辅小区带宽的总带宽。
  3. 根据权利要求2所述的方法，其中，所述将所述用户设备进行所述下载时所使用CA的带宽组合中包括的M个辅小区带宽减少为N个辅小区带宽，包括：
    按照预先获取的带宽数量调整策略，将所述用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽中的H个辅小区带宽作为需要被去激活的辅小区带宽，其中，N+H＝M，N为当前需要保留的辅小区带宽的数量；
    对所述H个辅小区带宽对应的辅助分量载波进行去激活，将所述H个辅小区带宽从所述CA的带宽组合中去除。
  4. 根据权利要求2所述的方法，其中，对所述用户设备进行下载时所使用CA的带宽组合包括的辅小区带宽进行调整，包括：
    按照预先获取的带宽大小调整策略，确定所述用户设备进行下载时所使用CA的带宽组合中需要进行调整的辅小区带宽数量；
    对所述需要进行调整的辅小区带宽对应的辅助分量载波进行去激活，将所述需要被去激活的辅小区带宽从所述CA的带宽组合中去除；
    激活与所述需要进行调整的辅小区带宽数量相等的辅助分量载波，将所述激活的辅助分量载波对应的其他辅小区带宽加入所述CA的带宽组合，得到调整后的CA的带宽组合，其中，所述调整后的CA的带宽组合包括的M个辅小区带宽的总带宽小于调整后的M个辅小区带宽的总带宽。
  5. 根据权利要求1-4任一项所述的方法，所述接收用户设备发送的流量下载速率阈值之前，所述方法还包括：
    向所述用户设备发送包含测量所述用户设备的流量下载速率的配置信息以使所述用户设备测量所述用户设备的流量下载速率；其中，当所述用户设备的流量下载速率超过预设阈值时，所述用户设备提示用户设置所述流量下载速率阈值。
  6. 一种基站，包括：接收单元、判断单元和执行单元，其中，
    接收单元，设置为接收用户设备发送的流量下载速率阈值；
    判断单元，设置为判断所述用户设备使用CA技术进行下载时的平均下载速率是否大于所述流量下载速率阈值；
    执行单元，设置为当所述判断单元判断结果为是时，将所述用户设备进行下载时所使用CA的带宽组合的带宽减少，以使所述平均下载速率小于或等于所述流量下载速率阈值。
  7. 根据权利要求6所述的基站，其中，所述CA的带宽组合包括主小区带宽和M个辅小区带宽；
    所述执行单元将所述用户设备进行下载时所使用CA的带宽组合的带宽减少，包括：
    所述执行单元将所述用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽减少为N个辅小区带宽，其中N为小于M的正整数；或者
    所述执行单元对所述用户设备进行下载时所使用CA的带宽组合包括的M个辅小区带宽中的至少一个辅小区带宽进行调整，调整后的带宽组合包括的辅小区带宽的总带宽小于调整前M个辅小区带宽的总带宽；或者
    所述执行单元将所述用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽减少为N个辅小区带宽，以及对所述用户设备进行下载时所使用CA的带宽组合包括的N个辅小区带宽中的至少一个辅小区带宽进行调整，所述调整后带宽组合包括的N个辅小区带宽总带宽小于所述M个辅小区带宽的总带宽。
  8. 根据权利要求7所述的基站，其中，所述执行单元将所述用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽减少为N个辅小区带宽，包括：
    所述执行单元按照预先获取的带宽数量调整策略，将所述用户设备进行下载时所使用CA的带宽组合中包括的M个辅小区带宽中的H个辅小区带宽作为需要被去激活的辅小区带宽，其中，N+H＝M，N为当前需要保留的辅小区带宽的数量；
    所述执行单元对所述H个辅小区带宽对应的辅助分量载波进行去激活，将所述H个辅小区带宽从所述CA的带宽组合中去除。
  9. 根据权利要求7所述的基站，其中，所述执行单元对所述用户设备进行下载时所使用CA的带宽组合包括的辅小区带宽进行调整，包括：
    所述执行单元按照预先获取的带宽大小调整策略，确定所述用户设备进行下载时所使用CA的带宽组合中需要进行调整的辅小区带宽数量；
    所述执行单元对所述需要进行调整的辅小区带宽对应的辅助分量载波进行去激活，将所述需要被去激活的辅小区带宽从所述CA的带宽组合中去除；
    所述执行单元激活与所述需要进行调整的辅小区带宽数量相等的辅助分量载波，将所述激活的辅助分量载波对应的其他辅小区带宽加入所述CA的带宽组合，得到调整后的CA的带宽组合，其中，所述调整后的CA的带宽组合包括的M个辅小区带宽的总带宽小于调整前的M个辅小区带宽的总带宽。
  10. 根据权利要求6-9任一项所述的基站，所述基站还包括：
    发送单元，设置为向所述用户设备发送包含测量所述用户设备的流量下载速率的配置信息以使所述用户设备测量所述用户设备的流量下载速率；其中，当所述用户设备的流量下载速率超过预设阈值时，所述用户设备提示用户设置 所述流量下载速率阈值。
  11. 一种非瞬时性计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行权利要求1-5任一项所述的控制载波聚合CA下载速率的方法。
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