WO2020133884A1 - 一种数据缓存方法及一种存储介质 - Google Patents
一种数据缓存方法及一种存储介质 Download PDFInfo
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- WO2020133884A1 WO2020133884A1 PCT/CN2019/086750 CN2019086750W WO2020133884A1 WO 2020133884 A1 WO2020133884 A1 WO 2020133884A1 CN 2019086750 W CN2019086750 W CN 2019086750W WO 2020133884 A1 WO2020133884 A1 WO 2020133884A1
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- qoe
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
- H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B
Definitions
- the invention relates to the technical field of wireless communication, in particular to a data cache method and a storage medium.
- the fifth generation of communication technology focuses on improving the network in terms of energy consumption, performance, user experience quality, etc., and has attracted the attention of global researchers. Studies have shown that in the next 5 years, the application of 5G will make the data transmission volume of the wireless network reach 40 times the current, reaching 93-3600 Pets bytes, of which video transmission will account for the main part. According to the statistics of the video service provider, the data accessed by the user is very repetitive. Therefore, the purpose of reducing the system bandwidth occupancy can be achieved by caching the content that the user needs to access.
- SBS Small Cell Base Station
- MBS Micro-cell Base Station
- SBS Small Cell Base Station
- MBS Micro-cell Base Station
- SBS can only communicate with its signal Users within the range and MBS perform data transmission
- MBS can perform data transmission with all network elements within its coverage.
- the access content required by the user can be cached at the base station SBS or MBS.
- the base station downloads the required data. If the base station does not cache the required data, it needs to download the data through the content provider's server.
- existing caching solutions are mainly based on users accessing content with a higher content caching popularity value, and the single consideration factor cannot satisfy users' demands for other aspects of data caching.
- the technical problem to be solved by the present invention is to provide a data cache method and a storage medium in view of the deficiencies of the prior art.
- a data caching method including:
- the beneficial effects of the present invention are: by receiving a request for buffering service data sent by a user terminal UE, the network status data between the small base station SBS corresponding to the UE and the UE, and the network between the macro base station MBS corresponding to the SBS and the UE are respectively obtained
- the status data and the network status data between the UE and the data source of the service data are obtained according to the three types of network status data and service data.
- the present invention can also be improved as follows.
- determining whether to configure the cache for the UE according to the QoE includes:
- the beneficial effect of adopting the above further scheme is that when the QoE source is the largest, that is, the user experience quality of the data source from the UE to the service data is the best, there is no need to configure the cache in the SBS or MBS for the UE, avoiding the SBS and MBS.
- the waste of MBS cache resources can achieve the best quality of user experience.
- the present invention can also be improved as follows.
- the determining to configure a cache for the UE includes:
- the configuring cache for the UE according to the judgment result includes:
- the SBS configures a cache for the UE.
- the configuring cache for the UE according to the second judgment result includes:
- the MBS configures a buffer for the UE
- the optimal device that can configure the cache for the UE is selected, avoiding only considering the QoE value and not considering the device cache space.
- the cache fails, and the SBS device is judged first, which saves the cache occupation of MBS, improves the effective utilization rate of MBS resources, and optimizes the QoE value to improve the user's experience quality.
- the present invention can also be improved as follows.
- the configuring cache for the UE according to the third judgment result includes:
- the configuring cache for the UE according to the third judgment result includes:
- the size of the QoE source and the QoE MBS are compared;
- the cache space is optimized.
- the beneficial effects of the present invention are: comprehensive judgment of QoE value, SBS cache space and MBS cache space, when SBS has no cache space, select the best equipment that can configure the cache for the UE, avoiding only considering QoE value, no consideration Whether SBS and MBS have cache space, which leads to the failure of cache application.
- the optimization of QoE value improves the quality of user experience.
- the present invention also provides a storage medium that stores instructions, and when the computer reads the instructions, causes the computer to execute the data caching method described in any one of the above technical solutions.
- FIG. 1 is a schematic flowchart of a data caching method according to an embodiment of the present invention
- FIG. 2 is a schematic flowchart of a data cache method according to another embodiment of the present invention.
- FIG. 3 is a schematic flowchart of a data cache method according to another embodiment of the present invention.
- FIG. 4 is a schematic flowchart of a data cache method according to another embodiment of the present invention.
- a data caching method 100 shown in FIG. 1 includes:
- the cache request sent by the user terminal UE is received, and the service type that needs to cache data can be obtained from the cache request.
- the network status data between the SBS and the UE accessed by the UE, the network status data between the MBS and the UE corresponding to the SBS, and the network status data between the UE and the data source directly acquiring service data are obtained.
- the network status data includes: network delay, network bandwidth and packet loss rate, and may also include other related network status data, which is not limited in the embodiments of the present invention.
- different weight values are set for the parameters such as network delay, network bandwidth, and packet loss rate in the network status data according to the service type requested by the UE to cache data, and the sum of these weight values is set to 1.
- the caching of video data requires high network packet loss rate.
- the weight value set for the parameter of network packet loss rate can be higher. You can set the network delay, network bandwidth, and packet loss rate for video data services.
- the weight value is 0.3, 0.3, 0.4.
- the user experience quality value QoE is obtained through a specific calculation method or data model, and the QoE SBS corresponding to the first network status data, the QoE MBS corresponding to the second network status data, and the third network status data are calculated The corresponding QoE source .
- set QoE ⁇ ⁇ ⁇ + ⁇ ⁇ ⁇ + ⁇ ⁇ ⁇ , where ⁇ ⁇ , ⁇ ⁇ , and ⁇ ⁇ are the weight values of network delay, network bandwidth, and packet loss rate determined according to the service type of cached data , ⁇ takes the reciprocal of the network delay data, ⁇ is the network bandwidth data, and ⁇ takes the reciprocal of the packet loss rate.
- a data caching method provided in the above embodiment by receiving a request for caching service data sent by a user terminal UE, respectively obtain network status data between a small base station SBS corresponding to the UE and the UE, and a macro base station MBS corresponding to the SBS and the UE Between the network state data and the network state data between the UE and the data source of the service data, according to the three types of network state data and service data, the corresponding three QoEs are obtained, and according to the three QoEs, it is determined whether the UE is configured Caching, which quantifies the three QoE values from UE to SBS, UE to MBS and UE to data source, and determines whether to configure the cache for the UE based on the quantized three QoE values, which achieves the effect of improving the user experience quality .
- the data cache method 100 includes:
- step 150 If yes, go to step 150, if no, go to step 160.
- the data caching method provided in the above embodiment when the QoE source is the largest, indicates that the user experience quality of the data source from the UE to the service data is the best, and there is no need to configure the cache in the SBS or MBS for the UE, which avoids the SBS And the waste of MBS cache resources can achieve the best effect of user experience quality.
- the data caching method 200 includes all steps in the data caching method 100, where step 160 further includes:
- step 210 Determine whether the SBS has cache space, and if so, perform step 210.
- step 250 If yes, go to step 240, if no, go to step 250.
- step 260 When QoE SBS ⁇ QoE source , step 260 is performed, and when QoE SBS > QoE source , step 270 is performed.
- the QoE source when the QoE source is not the largest, the user experience quality of the data source from the user to the service data is not the best, and it is necessary to configure the cache for the UE in SBS and MBS.
- the preferred principle is to preferentially judge the SBS.
- the SBS has buffer space, and the QoE SBS is the largest.
- both SBS and MBS have a buffer space, but QoE MBS is the largest, and it is preferable that the MBS configures a buffer for the UE.
- QoE MBS has cache space. If QoE MBS is the largest, but MBS has no cache space, compare the QoE source with QoE SBS . When the QoE source is large, it is determined not to configure the cache for the UE. The QoE SBS is large, and the SBS is determined to configure the cache for the UE.
- the above embodiment comprehensively judges the three QoE values, the SBS cache space and the MBS cache space, and selects the optimal device that can configure the cache for the UE, avoiding only considering the QoE value and not considering the device cache space, resulting in caching Failure, at the same time give priority to judge SBS equipment, save MBS cache occupation, improve the efficiency of MBS resource use, and the optimization of QoE value also improves the user's experience quality.
- the data caching method 300 includes all steps in the data caching method 100, where step 160 further includes:
- step 310 If not, go to step 310.
- step 320 If not, go to step 320, if yes, go to step 330.
- the QoE source when the QoE source is not the largest, it means that the user experience quality of the data source from the UE to the service data is not the best, and it is necessary to configure the cache for the UE in SBS and MBS.
- SBS has no cache space
- MBS has cache space
- the cache is not configured for the UE, and the data source where the UE directly goes to the service data is preferred.
- both SBS and MBS have no buffer space, and the buffer space of MBS and SBS needs to be optimized.
- the above embodiment comprehensively judges the QoE value, SBS cache space and MBS cache space.
- SBS has no cache space
- the optimal device that can configure the cache for the UE is selected, avoiding only considering the QoE value, and not considering whether SBS and MBS There is cache space, which leads to the failure of the cache application.
- the optimization of the QoE value improves the user experience quality.
- an embodiment of the present invention also provides a storage medium that stores instructions, and when the computer reads the instructions, the computer is caused to execute the data caching method described in the foregoing embodiment.
- the disclosed system, device, and method may be implemented in other ways.
- the device embodiments described above are only schematic.
- the division of units is only a division of logical functions.
- there may be other divisions for example, multiple units or components may be combined or integrated To another system, or some features can be ignored, or not implemented.
- the displayed or discussed mutual couplings or direct couplings or communication connections may be indirect couplings or communication connections through some interfaces, devices, or units, and may also be electrical, mechanical, or other forms of connection.
- the units described as separate components may or 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 may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments of the present invention.
- each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
- the above integrated unit can be implemented in the form of hardware or software function unit.
- the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium.
- the technical solution of the present invention essentially or part of the contribution to the existing technology, or all or part of the technical solution can be embodied in the form of a software product
- the computer software product is stored in a storage medium
- several instructions are included to enable a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods of the embodiments of the present invention.
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk and other media that can store program code .
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Abstract
Description
Claims (10)
- 一种数据缓存方法,其特征在于,包括:接收用户终端UE发送的缓存请求,所述缓存请求用于请求缓存业务数据;分别获取所述UE接入的小基站SBS与所述UE之间的第一网络状态数据、所述SBS对应的宏基站MBS与所述UE之间的第二网络状态数据,以及所述UE与所述业务数据的数据源之间的第三网络状态数据;分别根据所述第一网络状态数据、所述第二网络状态数据和所述第三网络状态数据,以及所述业务数据的类型得到对应的三个用户体验质量值QoE;根据所述三个QoE,确定是否为所述UE配置缓存。
- 根据权利要求1所述的数据缓存方法,其特征在于,所述根据所述三个QoE,确定是否为所述UE配置缓存,包括:当所述第三网络状态数据对应的QoE 源为所述三个QoE中最大的,则确定不为所述UE配置缓存;否则,确定为所述UE配置缓存。
- 根据权利要求2所述的数据缓存方法,其特征在于,所述确定为所述UE配置缓存,包括:判断所述SBS和所述MBS是否有缓存空间;根据第一判断结果为所述UE配置缓存。
- 根据权利要求3所述的数据缓存方法,其特征在于,所述根据判断结果为所述UE配置缓存,包括:当所述第一判断结果为所述SBS有缓存空间,则比较所述第一网络状态数据对应的QoE SBS与所述第二网络状态数据对应的QoE MBS的大小;当所述QoE SBS>QoE MBS,则确定所述SBS为所述UE配置缓存。
- 根据权利要求4所述的数据缓存方法,其特征在于,还包括:当所述QoE SBS<QoE MBS,则判断所述MBS是否有缓存空间;根据第二判断结果为所述UE配置缓存。
- 根据权利要求5所述的数据缓存方法,其特征在于,所述根据第二判断结果为所述UE配置缓存,包括:当所述第二判断结果为所述MBS有缓存空间,则确定所述MBS为所述UE配置缓存;否则,比较所述QoE 源与所述QoE SBS的大小;当QoE SBS>QoE 源,则确定所述SBS为所述UE配置缓存。
- 根据权利要求4-6中任一项所述的数据缓存方法,其特征在于,还包括:当所述第一判断结果为所述SBS无缓存空间,则判断所述MBS是否有缓存空间;根据第三判断结果为所述UE配置缓存。
- 根据权利要求7所述的数据缓存方法,其特征在于,所述根据第三判断结果为所述UE配置缓存,包括:当所述第三判断结果为所述MBS有缓存空间,则比较所述QoE 源与所述QoE MBS的大小;当QoE MBS>QoE 源,则确定所述MBS为所述UE配置缓存。
- 根据权利要求7所述的数据缓存方法,其特征在于,还包括:当所述第三判断结果为所述MBS无缓存空间,则对缓存空间进行优化。
- 一种存储介质,其特征在于,所述存储介质中存储有指令,当计算机读取所述指令时,使所述计算机执行如权利要求1至9中任一项所述的数据缓存方法。
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