CN112383936A - Method and device for evaluating number of accessible users - Google Patents
Method and device for evaluating number of accessible users Download PDFInfo
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Abstract
The invention provides an evaluation method and device for the number of accessible users, relates to the technical field of communication, and solves the problem of how to estimate the service carrying capacity (the number of accessible users) of a base station carrying multiple different services under multiple scenes. The method comprises the steps of obtaining preset simulation parameters and planning the estimation parameters of each service to be deployed to be accessed in the access network equipment; carrying out simulation according to preset simulation parameters, and determining the number of users which can be accessed when the access network planning equipment respectively bears different services to be deployed in a target scene; and determining the number of accessible users corresponding to each service to be deployed when the proposed access network equipment simultaneously bears all the services to be deployed in the target scene according to the number of the accessible users and the estimated parameters of each service to be deployed when the proposed access network equipment respectively bears different services to be deployed in the target scene.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and an apparatus for evaluating the number of accessible users.
Background
Currently, a fully-covered fifth-Generation (5th-Generation, 5G) communication system has three major functions or services, namely, Ultra-large bandwidth (embb), Low-Latency and high-reliability service (urrllc) and multiple access (mtc) (Mobile Machine Type of communication). The eMBB is used for protecting and enhancing the performance of communication services through a large bandwidth and MU-MIMO (Multi-User Multiple-Input Multiple-Output) technology, and is generally used for carrying services such as AR (Augmented Reality), VR (Virtual Reality), high-definition video, high-definition live broadcast and the like; the uRLLC is used for guaranteeing the communication quality of services with higher requirements on time delay, such as remote operation and fine control; mMTC is generated due to the requirement of the access capability of mass users, mainly solves the problem that the traditional mobile communication cannot well support the Internet of things and the application in vertical industries, and is mainly oriented to application scenes which aim at sensing and data acquisition, such as smart cities, environment monitoring, smart homes, forest fire prevention and the like, and the scenes have the characteristics of small data packets, low power consumption, mass connection and the like.
In summary, the characteristics of the 3 major services are different, and the three services are not completely split, and some services comprehensively require multiple characteristics. Therefore, for the development situation of 5G devices and services, the number of users that can be allowed to access to different services by each base station cannot be estimated by simply ignoring the service type to complete network resource planning and configuration, and therefore a method for estimating service carrying capacity (number of users that can be accessed) for a base station carrying multiple different services in multiple scenarios is urgently needed.
Disclosure of Invention
The invention provides an evaluation method and device for the number of accessible users, which solve the problem of how to estimate the service bearing capacity (the number of accessible users) of a base station bearing various different services under multiple scenes.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, an embodiment of the present invention provides a method for evaluating an accessible user number, including: acquiring preset simulation parameters and estimation parameters of each service to be deployed to be accessed in the access network planning equipment; wherein estimating the parameters includes at least: bandwidth and time delay are guaranteed; performing simulation according to preset simulation parameters, and determining the number of accessible users when the proposed access network equipment respectively bears different services to be deployed in a target scene; the target scene is a scene corresponding to a coverage area of a base station to be deployed; and determining the number of accessible users corresponding to each service to be deployed when the proposed access network equipment simultaneously bears all the services to be deployed in the target scene according to the number of the accessible users when the proposed access network equipment respectively bears different services to be deployed in the target scene and the estimated parameter of each service to be deployed.
As can be seen from the above, in the embodiment of the present application, for a situation that a base station to be deployed intends to deploy multiple different types of services to be deployed, first, a preset simulation parameter and an estimated parameter of each service to be deployed to be accessed in an access network device are obtained; then, simulation is carried out according to preset simulation parameters, and the number of users which can be accessed when the access network equipment to be built respectively bears different services to be deployed in a target scene is determined; and finally, determining the number of the accessible users corresponding to each service to be deployed when the access network planning equipment simultaneously bears all the services to be deployed in the target scene according to the number of the accessible users when the access network planning equipment respectively bears different services to be deployed in the target scene and the estimated parameter of each service to be deployed. The whole technical scheme provided by the embodiment estimates the bearing capacity of the base station to be deployed by combining the estimation parameters which can influence the bearing capacity of each scene to be deployed, by taking the bearing capacity of the base station to be deployed under a specific scene into consideration through simulation, thereby reasonably estimating the service bearing capacity (the number of users capable of accessing) of the base station which bears various different services under multiple scenes.
In a second aspect, the present invention provides an apparatus for evaluating the number of accessible users, comprising: an acquisition unit and a processing unit.
Specifically, the obtaining unit is configured to obtain a preset simulation parameter and an estimation parameter of each service to be deployed to be accessed in the proposed access network device. Wherein estimating the parameters includes at least: and the bandwidth and the time delay are guaranteed.
The processing unit is configured to perform simulation according to the preset simulation parameters acquired by the acquisition unit, and determine the number of accessible users when the access network planning device respectively bears different services to be deployed in a target scene. The target scene is a scene corresponding to a coverage area of the base station to be deployed. The processing unit is further configured to determine, according to the number of accessible users when the proposed access network device respectively carries different services to be deployed in the target scene and the estimated parameter of each service to be deployed acquired by the acquiring unit, the number of accessible users corresponding to each service to be deployed when the proposed access network device simultaneously carries all services to be deployed in the target scene.
In a third aspect, the present invention provides a server, comprising: communication interface, processor, memory, bus; the memory is used for storing computer execution instructions, and the processor is connected with the memory through the bus. When the server is running, the processor executes the computer-executable instructions stored in the memory to cause the server to perform the method for assessing the number of accessible users as provided in the first aspect above.
In a fourth aspect, the invention provides a computer-readable storage medium comprising instructions. When the instructions are run on a computer, the instructions cause the computer to perform the method of assessing the number of accessible users as provided above in the first aspect.
In a fifth aspect, the present invention provides a computer program product, which when run on a computer, causes the computer to execute the method for evaluating the number of accessible users according to the first aspect.
It should be noted that all or part of the above computer instructions may be stored on the first computer readable storage medium. The first computer readable storage medium may be packaged with the processor of the apparatus for evaluating the number of accessible users, or may be packaged separately from the processor of the apparatus for evaluating the number of accessible users, which is not limited in the present invention.
For the description of the second, third, fourth and fifth aspects of the present invention, reference may be made to the detailed description of the first aspect; in addition, for the beneficial effects described in the second aspect, the third aspect, the fourth aspect and the fifth aspect, reference may be made to beneficial effect analysis of the first aspect, and details are not repeated here.
In the present invention, the names of the above-mentioned evaluation apparatuses for the number of accessible users do not limit the devices or the function modules themselves, and in practical implementation, the devices or the function modules may be presented by other names. Insofar as the functions of the respective devices or functional blocks are similar to those of the present invention, they are within the scope of the claims of the present invention and their equivalents.
These and other aspects of the invention will be more readily apparent from the following description.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a simplified diagram of a system architecture applied to a method for evaluating the number of accessible users according to an embodiment of the present invention;
fig. 2 is a flow chart showing one of the methods for evaluating the number of accessible users according to the embodiment of the present invention;
fig. 3 is a second flow chart of the method for evaluating the number of accessible users according to the embodiment of the present invention;
fig. 4 is a third flow chart of a method for evaluating the number of accessible users according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a fitting curve of an accessible user number estimation method according to an embodiment of the present invention;
fig. 6 is a schematic diagram of an apparatus for evaluating the number of accessible users according to an embodiment of the present invention;
FIG. 7 is a second schematic diagram of an apparatus for estimating the number of accessible users according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a computer program product of the method for evaluating the number of accessible users according to the embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described below with reference to the accompanying drawings.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For the convenience of clearly describing the technical solutions of the embodiments of the present invention, in the embodiments of the present invention, the words "first", "second", and the like are used to distinguish the same items or similar items with basically the same functions and actions, and those skilled in the art can understand that the words "first", "second", and the like do not limit the quantity and execution order.
At present, because of different characteristics of various types of services of 5G, when service carrying capacity of a base station to be deployed of 5G is estimated before the base station is deployed, the number of users that can be allowed to access to different services of each base station cannot be estimated in a simple mode of ignoring service types. Therefore, a method for estimating service carrying capacity (number of users accessing to) for a cell carrying multiple different services under multiple scenarios is needed.
In view of the above problems, an embodiment of the present application provides an evaluation method for an accessible user number, which is applied to an evaluation apparatus for an accessible user number. The device may be a server of an operator to which the base station to be deployed belongs, or any other feasible device with processing computing capability.
Fig. 1 is a simplified schematic diagram of a system architecture to which an embodiment of the present invention may be applied, as shown in fig. 1, the system architecture may include: an access network device 1, a terminal 2 and a server 3 are proposed. The terminal 2 performs service access through the proposed access network device 1, and the server 3 is used for acquiring a scene map and configuration parameters of the proposed access network device 1 and a guarantee bandwidth of a preset service which can be initiated by the terminal 2.
The device for evaluating the number of accessible users in the embodiment of the present invention may be the server 3 shown in fig. 1, or may be a part of the server 3. For example a system of chips in the server 3. The system-on-chip is arranged to support the server 3 to implement the functionality referred to in the first aspect and any one of its possible implementations. Such as: the method comprises the steps of obtaining a scene map and configuration parameters of the proposed access network equipment 1 and the guaranteed bandwidth of a preset service which can be initiated by the terminal 2. The chip system includes a chip and may also include other discrete devices or circuit structures.
In the embodiment of the present invention, the device intending to establish the access network may be a base station or a base station controller for wireless communication, etc. In the embodiment of the present invention, the base station may be a base station (BTS) in a global system for mobile communications (GSM), a Code Division Multiple Access (CDMA), a base station (node B, NB) in a Wideband Code Division Multiple Access (WCDMA), an eNB in a Long Term Evolution (Long Term Evolution, LTE), an eNB in an internet of things (IoT) or a narrowband internet of things (NB-IoT), a base station in a future 5G mobile communication network or a future evolved Public Land Mobile Network (PLMN), which is not limited in any way by the embodiment of the present invention.
Terminals are used to provide voice and/or data connectivity services to users. The terminals may be referred to by different names, such as User Equipment (UE), access terminal, terminal unit, terminal station, mobile station, remote terminal, mobile device, wireless communication device, vehicular user equipment, terminal agent or terminal device, and the like. Optionally, the terminal may be various handheld devices, vehicle-mounted devices, wearable devices, and computers with communication functions, which is not limited in this embodiment of the present invention. For example, the handheld device may be a smartphone. The in-vehicle device may be an in-vehicle navigation system. The wearable device may be a smart bracelet. The computer may be a Personal Digital Assistant (PDA) computer, a tablet computer, and a laptop computer.
The following describes a method for evaluating the number of accessible users provided in the embodiment of the present invention, with reference to the communication system shown in fig. 1, taking an evaluation apparatus for the number of accessible users as a server 3 and a proposed access network device as a proposed base station.
As shown in fig. 2, the method for evaluating the number of accessible users includes the following steps S11-S13:
s11, the server 3 obtains the preset simulation parameters and the estimated parameters of each service to be deployed to be accessed in the access network device. The scene simulation data is obtained by simulating scenes in the first mobile communication technology, wherein the scenes comprise at least one of dense urban areas, suburban areas and open areas; estimating the parameters includes at least: and the bandwidth and the time delay are guaranteed.
For example, taking a large class of service "real-time automation" in a certain enterprise-to-business (2B) scenario as an example, the guaranteed bandwidth, the delay and the jitter value may be directly obtained by collecting service characteristic parameters of an existing real-time automation service, and specifically refer to table 1 below.
TABLE 1
Wherein, presetting the simulation parameters at least comprises: the service characteristic parameter of each service to be deployed, the carrier frequency point of the base station to be deployed, at least one station height and at least one station spacing; the station height is the height of a base station, and the station distance is the distance between two connected base stations. Illustratively, the at least one station height includes three station heights of 15 meters, 20 meters, and 25 meters. At least one station spacing at least comprises the following conditions: in the case of a dense urban area, the inter-site distance may be between 300 and 400 meters (including 300 and 400 meters); in the case where the scene is an urban area (general urban area), the inter-station distance may be between 500 meters and 600 meters (including 500 meters and 600 meters); in the case of a suburban scenario, the inter-site distance may be between 700 and 800 meters (including 700 and 800 meters).
S12, the server 3 simulates according to the preset simulation parameters and determines the number of users which can be accessed when the access network planning equipment respectively bears different services to be deployed in the target scene. The target scene is a scene corresponding to a coverage area of the base station to be deployed.
S13, the server 3 determines the number of accessible users corresponding to each service to be deployed when the proposed access network device simultaneously bears all the services to be deployed in the target scene according to the number of accessible users when the proposed access network device respectively bears different services to be deployed in the target scene and the estimated parameter of each service to be deployed.
As can be seen from the above, in the embodiment of the present application, for a situation that a base station to be deployed intends to deploy multiple different types of services to be deployed, first, a preset simulation parameter and an estimated parameter of each service to be deployed to be accessed in an access network device are obtained; then, simulation is carried out according to preset simulation parameters, and the number of users which can be accessed when the access network equipment to be built respectively bears different services to be deployed in a target scene is determined; and finally, determining the number of the accessible users corresponding to each service to be deployed when the access network planning equipment simultaneously bears all the services to be deployed in the target scene according to the number of the accessible users when the access network planning equipment respectively bears different services to be deployed in the target scene and the estimated parameter of each service to be deployed. The whole technical scheme provided by the embodiment estimates the bearing capacity of the base station to be deployed by combining the estimation parameters which can influence the bearing capacity of each scene to be deployed, by taking the bearing capacity of the base station to be deployed under a specific scene into consideration through simulation, thereby reasonably estimating the service bearing capacity (the number of users capable of accessing) of the base station which bears various different services under multiple scenes.
In one implementation, the presetting of the simulation parameters at least includes: the method comprises the steps that service characteristic parameters of each service to be deployed, carrier frequency points of a base station to be deployed, at least one station height and at least one station distance are obtained; the station height is the height of a base station, and the station distance is the distance between two connected base stations, in this case, as shown in fig. 3 in combination with fig. 2, the above S12 can be specifically realized by the following S120 and S121.
S120, the server 3 simulates according to a preset simulation model and preset simulation parameters, and determines the number of target accessible users when the access network equipment to be built only bears the target service to be deployed in the target scene by adopting the target station height and the target station distance. The target station height is any one of at least one station height, the target station distance is any one of at least one station distance, and the target service to be deployed is any one of all services to be deployed.
For example, a more important part in the preset simulation model is a path loss model, that is, a loss in a service data transmission path is shown, taking three common dense urban, urban and suburban scenarios as examples, and the specific path loss model is shown in the following table 2:
TABLE 2
Wherein h is the height of the base station, hutHeight of the user terminal, fcIs a carrier frequency point, PL0Is a constant of path loss, and n is a distance coefficient.
S121, the server 3 determines the average value of the number of all target accessible users corresponding to different station heights and different station distances as the number of accessible users when the access network planning equipment is only used for bearing the target service to be deployed in the target scene.
Specifically, the number N of accessible users of the base station to be deployed bearing the T service in the B scenarioB,TSpecifically, it can be obtained according to the following formula:
where H ═ 1-n indicates that station heights are one by one (n total types), and Zj ═ 1-K indicates that station spacings are one by one (K total types).
For example, taking a target scene as a dense urban area, a suburban area, or an open area as an example, the number N of accessible users of the base station to be deployed, which is obtained through simulation and is only used for carrying a target service to be deployed in the target scene, is specifically shown in table 3 below.
TABLE 3
Wherein N isD，TnThe number of accessible users of the base station to be deployed in the scene of dense urban areas (D) is shown when the base station only bears the service of the service class n, and the rest is the same.
In an implementation manner, referring to fig. 2, as shown in fig. 4, the above S13 can be specifically realized by the following S130 and S131.
S130, the server 3 fits the number of the accessible users and the estimated parameters of each service to be deployed when the access network planning device respectively bears different services to be deployed in the target scene, and determines a fit curve corresponding to the target scene. The fitting curve meets the corresponding relation among the number of accessible users, the guaranteed bandwidth and the time delay.
Specifically, in practical applications, the guaranteed bandwidth (T) is the uplink guaranteed rate (T)U) And downlink guaranteed rate (T)D) The calculation formula is as follows:
T＝max(log10(TU)，log10(TD))；
Tc＝max(TU,TD)。
wherein T represents the guaranteed bandwidth processed by logarithm (log),TGrepresenting guaranteed bandwidth without log processing.
Specifically, the number of accessible users N, T and T can be determinedGAnd determining the correlation degree of the guaranteed bandwidth (TG), the correlation degree of the guaranteed bandwidth (T), the correlation degree of the time delay and the correlation degree of the jitter. Wherein the content of the first and second substances,
the guaranteed bandwidth (TG) correlation satisfies:
ensuring the correlation degree of the bandwidth (T) to meet the following requirements:
the time delay correlation satisfies the following conditions:
the jitter correlation satisfies the following conditions:
wherein, CorrTGRepresenting guaranteed Bandwidth (TG) correlation, CorrTRepresenting the guaranteed bandwidth (T) correlation, CorrDelayRepresenting the time-delay correlation, CorrjitterRepresenting Jitter correlation, Cov representing Covariance (Covariance), Delay representing Delay, Jitter representing Jitter, and D representing variance (variance).
Illustratively, in one case, the number of accessible users N, T and TGThe guaranteed bandwidth (TG) correlation, the guaranteed bandwidth (T) correlation, the delay correlation, and the jitter correlation are determined as shown in table 4.
TABLE 4
As can be seen from Table 4, guaranteed Bandwidth (T)G) The correlation degree of the time delay and the jitter with the number of the accessed users is less than the correlation degree of the guaranteed bandwidth (T), the time delay and the jitter with the number of the accessed users. Therefore, in the method for evaluating the number of accessible users provided by the embodiment of the present invention, a fitting curve is obtained by using multivariate linear regression (multivariate linear regression).
Specifically, obtaining the fitting curve by using multiple linear regression includes: for uplink guaranteed rate (T)U) And downlink guaranteed rate (T)D) Processing is carried out, and a guaranteed bandwidth T is determined; wherein the guaranteed bandwidth T is equal to max (log)10(TU)，log10(TD)). And then, performing linear fitting on the guaranteed bandwidth T, the time delay and the jitter value to determine a fitting curve.
It should be noted that, since the correlation between the delay and the jitter values is similar, the fitting curve is corrected by the jitter value when the fitting curve is determined by linear fitting.
For example, a fitting curve corresponding to the number of accessible users with the service class n in the proposed urban area is determined as an example:
firstly, data screening is carried out on the number of accessible users, guaranteed bandwidth, time delay and jitter value according to Gaussian distribution, and therefore effective data with a confidence interval of 95% is obtained. Then, 95% of the obtained valid data was fitted by linear fitting, thereby obtaining a fitted curve as shown in fig. 5. Wherein the fitting curve satisfies:
the method comprises the steps of representing the number of accessible users with the service class n in the dense urban area, T representing the guaranteed bandwidth corresponding to the service class n in the dense urban area, delay representing the time delay corresponding to the service class n in the dense urban area, and p00, p10, p01, p20 and p11 are all constants.
When the curve fitting degree and Root Mean Square Error (RMSE) of each fitted curve in fig. 5 are calculated, the curve fitting degree and RMSE of the fitted curve are determined to be optimal when p00 is 79.72, p10 is-139.9, p01 is 0.5603, p20 is 55.8, and p11 is-0.3637. The curve fit was 0.8918, and the RMSE was 20.
Specifically, jitter in fig. 5 indicates a jitter value.
It should be noted that, the calculation method of the fitting curve corresponding to the number of accessible users with the traffic class n in the urban area and the calculation method of the fitting curve corresponding to the number of accessible users with the traffic class n in the suburban area are the same as those of the fitting curve corresponding to the number of accessible users with the traffic class n in the dense urban area, and are not described herein again.
S131, the server 3 determines the number of accessible users corresponding to each service to be deployed when the proposed access network equipment simultaneously bears all the services to be deployed in the target scene according to the fitting curve.
The scheme provided by the embodiment of the invention is mainly introduced from the perspective of a method. To implement the above functions, it includes hardware structures and/or software modules for performing the respective functions. Those of skill in the art will readily appreciate that the present invention can be implemented in hardware or a combination of hardware and computer software for performing the exemplary elements and algorithm steps described in connection with the embodiments disclosed herein. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The present invention can divide the function modules of the device for evaluating the number of accessible users according to the above method, for example, each function module can be divided corresponding to each function, or two or more functions can be integrated into one processing module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. It should be noted that, the division of the modules in the embodiment of the present invention is schematic, and is only a logic function division, and there may be another division manner in actual implementation.
Fig. 6 is a schematic structural diagram of an apparatus 10 for evaluating the number of accessible users according to an embodiment of the present invention. The accessible user number evaluation device 10 is used for acquiring preset simulation parameters and estimation parameters of each service to be deployed to be accessed in the access network equipment to be built; simulating according to preset simulation parameters, and determining the number of users which can be accessed when the access network planning equipment respectively bears different services to be deployed in a target scene; and determining the number of accessible users corresponding to each service to be deployed when the proposed access network equipment simultaneously bears all the services to be deployed in the target scene according to the number of the accessible users when the proposed access network equipment respectively bears different services to be deployed in the target scene and the estimated parameter of each service to be deployed. The accessible user number evaluation device 10 may comprise an acquisition unit 101 and a processing unit 102.
The obtaining unit 101 is configured to obtain a preset simulation parameter and an estimation parameter of each service to be deployed to be accessed in the access network device. For example, in conjunction with fig. 2, the obtaining unit 101 may be configured to execute S11.
The processing unit 102 is configured to perform simulation according to the preset simulation parameters acquired by the acquisition unit 101, and determine the number of users that can be accessed when the access network planning device respectively bears different services to be deployed in a target scene. The processing unit 102 is further configured to determine, according to the number of accessible users when the proposed access network device carries different services to be deployed respectively in the target scene and the estimated parameter of each service to be deployed acquired by the acquiring unit 101, the number of accessible users corresponding to each service to be deployed when the proposed access network device simultaneously carries all the services to be deployed in the target scene. For example, in conjunction with FIG. 2, processing unit 102 may be used to perform S12 and S13. In conjunction with fig. 3, processing unit 102 may be configured to perform S120 and S121. In conjunction with fig. 4, processing unit 102 may be configured to perform S130 and S131.
All relevant contents of each step related to the above method embodiment may be referred to the functional description of the corresponding functional module, and the function thereof is not described herein again.
Of course, the device 10 for evaluating the number of accessible users provided by the embodiment of the present invention includes, but is not limited to, the above modules, for example, the device 10 for evaluating the number of accessible users may further include the storage unit 103. The storage unit 103 may be configured to store the program code of the apparatus for evaluating the number of write-accessible users 10, and may also be configured to store data generated by the apparatus for evaluating the number of write-accessible users 10 during operation, such as data in a write request.
Fig. 7 is a schematic structural diagram of an apparatus 10 for evaluating the number of accessible users according to an embodiment of the present invention, and as shown in fig. 7, the apparatus 10 for evaluating the number of accessible users may include: at least one processor 51, a memory 52, a communication interface 53, and a communication bus 54.
The following specifically describes the components of the accessible user number estimating apparatus 10 with reference to fig. 7:
the processor 51 is a control center of the apparatus 10 for estimating the number of accessible users, and may be a single processor or a collective name of a plurality of processing elements. For example, the processor 51 is a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits configured to implement embodiments of the present invention, such as: one or more DSPs, or one or more Field Programmable Gate Arrays (FPGAs).
In particular implementations, processor 51 may include one or more CPUs such as CPU0 and CPU1 shown in fig. 7 as one example. Also, as an embodiment, the device 10 for evaluating the number of accessible users may comprise a plurality of processors, such as the processor 51 and the processor 55. Each of these processors may be a Single-core processor (Single-CPU) or a Multi-core processor (Multi-CPU). A processor herein may refer to one or more devices, circuits, and/or processing cores for processing data (e.g., computer program instructions).
The Memory 52 may be a Read-Only Memory (ROM) or other types of static storage devices that can store static information and instructions, a Random Access Memory (RAM) or other types of dynamic storage devices that can store information and instructions, an Electrically Erasable Programmable Read-Only Memory (EEPROM), a Compact Disc Read-Only Memory (CD-ROM) or other optical Disc storage, optical Disc storage (including Compact Disc, laser Disc, optical Disc, digital versatile Disc, blu-ray Disc, etc.), a magnetic disk storage medium or other magnetic storage device, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited to such. The memory 52 may be self-contained and coupled to the processor 51 via a communication bus 54. The memory 52 may also be integrated with the processor 51.
In a particular implementation, the memory 52 is used for storing data and software programs for implementing the present invention. The processor 51 may perform various functions of the air conditioner by running or executing software programs stored in the memory 52 and calling data stored in the memory 52.
The communication interface 53 is a device such as any transceiver, and is used for communicating with other devices or communication Networks, such as a Radio Access Network (RAN), a Wireless Local Area Network (WLAN), a terminal, and a cloud. The communication interface 53 may include an acquisition unit to implement the receiving function.
The communication bus 54 may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended ISA (EISA) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 7, but this is not intended to represent only one bus or type of bus.
As an example, in conjunction with fig. 6, the acquiring unit 101 in the accessible user number evaluating apparatus 10 implements the same function as the communication interface 53 in fig. 7, the processing unit 102 implements the same function as the processor 51 in fig. 7, and the storage unit 103 implements the same function as the memory 52 in fig. 7.
Another embodiment of the present invention further provides a computer-readable storage medium, which stores instructions that, when executed on a computer, cause the computer to perform the method shown in the above method embodiment.
In some embodiments, the disclosed methods may be implemented as computer program instructions encoded on a computer-readable storage medium in a machine-readable format or encoded on other non-transitory media or articles of manufacture.
Fig. 8 schematically illustrates a conceptual partial view of a computer program product comprising a computer program for executing a computer process on a computing device provided by an embodiment of the invention.
In one embodiment, the computer program product is provided using a signal bearing medium 410. The signal bearing medium 410 may include one or more program instructions that, when executed by one or more processors, may provide the functions or portions of the functions described above with respect to fig. 2. Thus, for example, with reference to the embodiment shown in FIG. 2, one or more features of S11-S13 may be undertaken by one or more instructions associated with the signal bearing medium 410. Further, the program instructions in FIG. 8 also describe example instructions.
In some examples, signal bearing medium 410 may include a computer readable medium 411, such as, but not limited to, a hard disk drive, a Compact Disc (CD), a Digital Video Disc (DVD), a digital tape, a memory, a read-only memory (ROM), a Random Access Memory (RAM), or the like.
In some implementations, the signal bearing medium 410 may comprise a computer recordable medium 412 such as, but not limited to, a memory, a read/write (R/W) CD, a R/W DVD, and the like.
In some implementations, the signal bearing medium 410 may include a communication medium 413, such as, but not limited to, a digital and/or analog communication medium (e.g., a fiber optic cable, a waveguide, a wired communications link, a wireless communication link, etc.).
The signal bearing medium 410 may be conveyed by a wireless form of communication medium 413, such as a wireless communication medium compliant with the IEEE 802.41 standard or other transport protocol. The one or more program instructions may be, for example, computer-executable instructions or logic-implementing instructions.
In some examples, a data writing apparatus, such as that described with respect to fig. 2, may be configured to provide various operations, functions, or actions in response to one or more program instructions via the computer-readable medium 411, the computer-recordable medium 412, and/or the communication medium 413.
Through the description of the above embodiments, it is clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above functions may be distributed by different functional modules according to needs, that is, the internal structure of the device may be divided into different functional modules to complete all or part of the above described functions.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described device embodiments are merely illustrative, and for example, the division of the modules or units is only one logical functional division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another device, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may be one physical unit or a plurality of physical units, that is, may be located in one place, or may be distributed in a plurality of different places. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments 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 integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a readable storage medium. Based on such understanding, the technical solutions of the embodiments of the present invention may be substantially implemented as a part of or all or part of the technical solutions contributing to the prior art, and the software product is stored in a storage medium and includes several instructions to enable a device (which may be a single chip microcomputer, a chip, etc.) or a processor (processor) to execute all or part of the steps of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions within the technical scope of the present invention are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A method for evaluating the number of accessible users, comprising:
acquiring preset simulation parameters and estimation parameters of each service to be deployed to be accessed in the access network planning equipment; wherein the estimating parameters comprises at least: bandwidth and time delay are guaranteed;
performing simulation according to the preset simulation parameters, and determining the number of accessible users of the proposed access network equipment respectively bearing different services to be deployed in a target scene; the target scene is a scene corresponding to a coverage area of the base station to be deployed;
and determining the number of accessible users corresponding to each service to be deployed when the proposed access network equipment simultaneously bears all the services to be deployed in the target scene according to the number of accessible users when the proposed access network equipment respectively bears different services to be deployed in the target scene and the estimated parameter of each service to be deployed.
2. The method according to claim 1, wherein the preset simulation parameters at least comprise: the service characteristic parameter of each service to be deployed, the carrier frequency point of the base station to be deployed, at least one station height and at least one station spacing; the station height is the height of a base station, and the station distance is the distance between two connected base stations;
the simulation is carried out according to the preset simulation parameters, and the number of accessible users when the proposed access network equipment respectively bears different services to be deployed in a target scene is determined, includes:
performing simulation according to a preset simulation model and the preset simulation parameters, and determining the number of target accessible users of the proposed access network equipment when only bearing the target service to be deployed under the target scene by adopting the target station height and the target station distance; the target station height is any one of the at least one station height, the target station spacing is any one of the at least one station spacing, and the target service to be deployed is any one of all the services to be deployed;
and determining the average value of all the target accessible user numbers corresponding to different station heights and different station distances as the accessible user number when the proposed access network equipment only bears the target service to be deployed in a target scene.
3. The method for evaluating the number of accessible users according to claim 1, wherein the determining the number of accessible users corresponding to each service to be deployed when the proposed access network device simultaneously carries all the services to be deployed in a target scenario according to the number of accessible users when the proposed access network device respectively carries different services to be deployed in the target scenario and the estimated parameter of each service to be deployed comprises:
fitting the number of accessible users of the proposed access network equipment respectively bearing different services to be deployed in a target scene and the estimated parameters of each service to be deployed, and determining a fitting curve corresponding to the target scene; the fitting curve meets the corresponding relation among the number of accessible users, guaranteed bandwidth and time delay;
and determining the number of accessible users corresponding to each service to be deployed when the proposed access network equipment simultaneously bears all the services to be deployed in the target scene according to the fitted curve.
4. An access network device, comprising:
the acquisition unit is used for acquiring preset simulation parameters and estimation parameters of each service to be deployed to be accessed in the proposed access network equipment; wherein the estimating parameters comprises at least: bandwidth and time delay are guaranteed;
the processing unit is used for carrying out simulation according to the preset simulation parameters acquired by the acquisition unit and determining the number of accessible users of the proposed access network equipment respectively bearing different services to be deployed in a target scene; the target scene is a scene corresponding to a coverage area of the base station to be deployed;
the processing unit is further configured to determine, according to the number of accessible users when the proposed access network device respectively carries different services to be deployed in a target scene and the estimated parameter of each service to be deployed acquired by the acquiring unit, the number of accessible users corresponding to each service to be deployed when the proposed access network device simultaneously carries all the services to be deployed in the target scene.
5. The access network device of claim 4, wherein the preset emulation parameters comprise at least: the service characteristic parameter of each service to be deployed, the carrier frequency point of the base station to be deployed, at least one station height and at least one station spacing; the station height is the height of a base station, and the station distance is the distance between two connected base stations;
the processing unit is specifically configured to perform simulation according to a preset simulation model and the preset simulation parameters acquired by the acquisition unit, and determine a number of target accessible users of the proposed access network device when only bearing a target service to be deployed in a target scene by using a target station height and a target station spacing; the target station height is any one of the at least one station height, the target station spacing is any one of the at least one station spacing, and the target service to be deployed is any one of all the services to be deployed;
the processing unit is specifically configured to determine an average value of all target accessible user numbers corresponding to different station heights and different station spacings as an accessible user number when the proposed access network device only carries the target service to be deployed in a target scene.
6. The access network device according to claim 4, wherein the processing unit is specifically configured to fit the number of accessible users of the proposed access network device that respectively carry different services to be deployed in a target scene and the estimated parameter of each service to be deployed acquired by the acquiring unit, and determine a fit curve corresponding to the target scene; the fitting curve meets the corresponding relation among the number of accessible users, guaranteed bandwidth and time delay;
the processing unit is specifically configured to determine, according to the fitted curve, the number of accessible users corresponding to each service to be deployed when the proposed access network device simultaneously carries all the services to be deployed in a target scene.
7. A computer-readable storage medium comprising instructions which, when run on a computer, cause the computer to perform the method for assessing the number of accessible users according to any one of claims 1 to 3.
8. A server, comprising: communication interface, processor, memory, bus;
the memory is used for storing computer execution instructions, and the processor is connected with the memory through the bus;
when the server is running, the processor executes the computer-executable instructions stored in the memory to cause the server to perform the method for assessing the number of accessible users according to any one of claims 1 to 3.
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