CN109068332B - Data transmission method and device - Google Patents
Data transmission method and device Download PDFInfo
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- CN109068332B CN109068332B CN201811122832.5A CN201811122832A CN109068332B CN 109068332 B CN109068332 B CN 109068332B CN 201811122832 A CN201811122832 A CN 201811122832A CN 109068332 B CN109068332 B CN 109068332B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
Abstract
The application provides a data transmission method and a data transmission device, relates to the field of communication, and can meet the transmission requirement of a base station and avoid the waste of transmission resources. The method comprises the following steps: acquiring the load of a first base station and the number of edge terminals of a second base station; the frequency band of the first base station is lower than that of the second base station; the edge terminal of the second base station is a terminal in a preset area within the coverage area of the second base station; and if the load of the first base station is lower than a preset first threshold and/or the number of the edge terminals of the second base station is higher than a preset second threshold, indicating the second base station to share the frequency band of the first base station for data transmission.
Description
Technical Field
The present application relates to the field of communications, and in particular, to a data transmission method and apparatus.
Background
In a mobile communication system, uplink and downlink data transmission is performed between a terminal and a base station, and data is transmitted from the base station to the terminal in the downlink direction and from the terminal to the base station in the uplink direction. As shown in fig. 1, since the transmission power of the base station is much higher than that of the terminal, the downlink coverage is larger than the uplink coverage, so that the uplink coverage capability of the base station is limited, and the problem of unbalanced uplink and downlink coverage occurs.
In the 5G era, the frequency band used for up-and-down communication is higher than that of a 3G/4G system. The propagation characteristics of electromagnetic waves determine that the higher the signal frequency is, the more the attenuation of the signal frequency along with the propagation distance is, and therefore, the uplink coverage of a base station of a 5G system is smaller than that of a 3G/4G system. On the other hand, the base station side of the 5G system uses a large-scale array antenna technology to enhance downlink coverage capability, while the terminal side is difficult to adopt more transmitting antennas due to the limitation of terminal complexity and cost, and the antenna performance gap between the base station side and the terminal side is further increased, thereby further aggravating the phenomenon of uplink and downlink coverage imbalance.
As shown in fig. 2, in order to enhance uplink coverage capability and solve the problem of insufficient coverage of the 5G high frequency uplink, an uplink sharing technology is proposed in the industry, that is, a 5G system base station and a 3G/4G system base station share an uplink frequency band of a 3G/4G system. When the terminal of the 5G system is far away from the base station of the 5G system, the shared frequency band can still be used for transmitting data in the coverage range of the 3G/4G system, so that the uplink coverage range of the 5G base station is expanded.
However, the above method has disadvantages in that: the method allocates the uplink frequency band transmission resource originally used by the 3G/4G system alone to the 5G system when the terminal is switched to the shared frequency band when the terminal is far away from the base station of the 5G system. However, when the amount of transmission resources required by the 5G system is small, the uplink frequency band transmission resources allocated to the 5G system cannot be fully utilized, and there is a resource waste situation, which results in a low resource utilization rate. On the other hand, when the uplink transmission service of the 3G/4G system is busy, the required uplink frequency band transmission resource is large, and at this time, if a part of the transmission resource is allocated to the 5G system, the uplink transmission requirement of the 3G/4G system may not be met, and the original uplink transmission service of the 3G/4G system is affected.
Disclosure of Invention
The application provides a data transmission method and device, which can meet the transmission requirements of base stations, reduce the waste of transmission resources and improve the utilization rate of the transmission resources when two base stations share a frequency band for data transmission.
In order to achieve the purpose, the following technical scheme is adopted in the application:
in a first aspect, the present application provides a data transmission method, which may include:
acquiring the load of a first base station and the number of edge terminals of a second base station; the frequency band of the first base station is lower than that of the second base station; the edge terminal of the second base station is a terminal in a preset area within the coverage area of the second base station; and if the load of the first base station is lower than a preset first threshold and/or the number of edge terminals of the second base station is higher than a preset second threshold, indicating the second base station to share the frequency band of the first base station for data transmission.
In a second aspect, the present application provides an apparatus comprising: the device comprises an acquisition unit and a processing unit. The acquiring unit is used for acquiring the load of the first base station and the number of edge terminals of the second base station; the frequency band of the first base station is lower than that of the second base station; and the edge terminal of the second base station is a terminal in a preset area within the coverage range of the second base station. And the processing unit is used for indicating the second base station to share the frequency band of the first base station for data transmission if the load of the first base station is lower than a preset first threshold and/or the number of edge terminals of the second base station is higher than a preset second threshold.
In a third aspect, the present application provides an apparatus comprising: a processor, a transceiver, and a memory. Wherein the memory is used to store one or more programs. The one or more programs include computer executable instructions which, when executed by the apparatus, cause the apparatus to perform the data transfer method of the first aspect by executing the computer executable instructions stored in the memory.
In a fourth aspect, the present application provides a computer-readable storage medium, in which instructions are stored, and when the instructions are executed by a computer, the computer executes the data transmission method according to the first aspect.
In a fifth aspect, the present application provides a computer program product comprising instructions which, when run on a computer, causing the computer to perform the data transmission method of the first aspect.
According to the data transmission method and device, when the load of the first base station is lower than a preset first threshold and/or the number of edge terminals of the second base station is higher than a preset second threshold, the second base station is indicated to share the frequency band of the first base station for data transmission. Compared with the prior art, the method and the device for transmitting the data determine whether to share the frequency band of the first base station for data transmission based on the load of the first base station and the number of the edge terminals of the second base station. When the load of the first base station is higher, the frequency band of the first base station is not shared, and the transmission resource on the frequency band of the first base station is occupied by the first base station, so that the data transmission of the first base station is ensured. And/or when the edge terminal of the second base station is less, namely the transmission resource required by the second base station is less, the frequency band of the first base station is not shared, and the second base station does not occupy the transmission resource on the frequency band of the first base station, thereby reducing the waste of the transmission resource.
Drawings
FIG. 1 is a schematic diagram of a background art of the present application;
FIG. 2 is a schematic diagram of a background art principle of the present application;
fig. 3 is a first schematic diagram of a data transmission method according to an embodiment of the present application;
fig. 4 is a schematic diagram illustrating a data transmission method according to an embodiment of the present application;
fig. 5 is a first schematic structural diagram of a data transmission device according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a data transmission device according to an embodiment of the present application.
Detailed Description
The following describes in detail a data transmission method, an apparatus, and a system provided in the embodiments of the present application with reference to the drawings.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone.
The terms "first" and "second" and the like in the description and drawings of the present application are used for distinguishing different objects or for distinguishing different processes for the same object, and are not used for describing a specific order of the objects.
Furthermore, the terms "including" and "having," and any variations thereof, as referred to in the description of the present application, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that in the embodiments of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or explanations. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present relevant concepts in a concrete fashion.
In the description of the present application, the meaning of "a plurality" means two or more unless otherwise specified.
The first base station in the embodiment of the present application may be a communication base station using a low frequency band, such as a 3G base station or a 4G base station; the second base station is a communication base station using a high frequency band, such as a 5G base station. The frequency band of the first base station is lower than that of the second base station. The frequency band of the first base station may be used as a shared frequency band, and the first base station and the second base station may be configured to share and use transmission resources on the shared frequency band for data transmission. The transmission resource includes a Physical Resource Block (PRB).
The embodiment of the application is further provided with a shared controller, which is used for realizing the transmission resource allocation function of the uplink shared link and allocating the transmission resources on the frequency band of the first base station to the first base station and the second base station. The shared controller may be a logical functional entity, and may be disposed on the first base station side or the second base station side when the device is implemented. The shared controller may also be implemented as a separate physical entity.
The embodiment of the application provides a data transmission method, which can meet the transmission requirement of a second base station and avoid the waste of transmission resources when a first base station and the second base station share the transmission resources of a frequency band of the first base station for data transmission. As shown in fig. 3, the method may include steps 101-108:
101. and acquiring the load of the first base station and the number of edge terminals of the second base station.
The frequency band of the first base station is lower than the frequency band of the second base station. And the edge terminal of the second base station is a terminal in a preset area within the coverage range of the second base station.
Specifically, the first base station calculates its own uplink PRB utilization ratio, that is, the ratio of the number of uplink PRBs used by the first base station to the total number of uplink PRBs allocated to the first base station, where the uplink PRB utilization ratio of the first base station is the load of the first base station. Then, the first base station sends its own load to the shared controller.
And the second base station measures the uplink Reference Signal Received Power (RSRP) transmitted by the terminal, and if the uplink RSRP of a certain terminal is lower than a preset third threshold, the terminal is considered to belong to the edge terminal of the second base station. Then, the second base station sends the number of edge terminals to the shared controller.
In this step, the predetermined area within the coverage of the second base station is an area within the coverage of the second base station but far away from the second base station. In this area, the second base station may receive the uplink RSRP transmitted by the terminal, but the terminal cannot perform normal data transmission service through the uplink transmission frequency band of the second base station.
102. And if the load of the first base station is lower than a preset first threshold and/or the number of edge terminals of the second base station is higher than a preset second threshold, indicating the second base station to share the frequency band of the first base station for data transmission.
Specifically, in this embodiment, the shared controller first checks the load of the first base station and the number of edge terminals of the second base station. And if the load of the first base station is lower than a preset first threshold and/or the number of edge terminals of the second base station is higher than a preset second threshold, respectively acquiring the transmission parameters of the first base station and the second base station. In this embodiment, the transmission parameters include throughput, spectrum efficiency, priority of the first base station and the second base stationThroughput, spectral efficiency, load, priority. Calculating a transmission resource allocation coefficient rho of the first base station 1 Transmission resource allocation coefficient rho with a second base station 2 。
The method for calculating the transmission resource distribution coefficient comprises the following steps: first, let the throughput of the first base station be T 1 Spectral efficiency of E 1 Load is L 1 Priority of P 1 Let the throughput of the second base station be T 2 Spectral efficiency of E 2 Load is L 2 Priority is P 2 Setting a first parameter D 1 ＝T 1 *E 1 *L 1 *P 1 Second parameter D 2 ＝T 2 *E 2 *L 2 *P 2 Then the transmission resource allocation coefficient ρ of the first base station 1 ＝D 1 /(D 1 +D 2 ) Transmission resource allocation coefficient ρ of the second base station 2 ＝D 2 /(D 1 +D 2 ). If the number of all transmission resources (i.e., all PRBs) corresponding to the frequency band of the first base station is N, the transmission resources allocated to the first base station are N 1 ＝N*ρ 1 The transmission resource allocated by the second base station is N 2 ＝N*ρ 2 。
Optionally, the first parameter may be set to D 1 ＝aT 1 +bE 1 +cL 1 +dP 1 The second parameter is set as D 2 ＝aT 2 +bE 2 +cL 2 +dP 2 Wherein a, b, c and d are arbitrary constants and respectively represent weighting coefficients of three parameters of throughput, spectral efficiency and priority.
In this step, the throughput of the first base station is determined based on the number of the first base station terminals and the average uplink throughput of the first base station terminals, and the throughput of the second base station is determined based on the number of the edge terminals of the second base station and the average uplink throughput of the edge terminals of the second base station. The number of the first base station terminals and the uplink average throughput of the first base station terminals can be obtained by the first base station side statistics, and the number of the second base station edge terminals and the uplink average throughput of the second base station edge terminals can be obtained by the second base station side statistics.
Optionally, in this embodiment, the throughput of the first base station = the number of the first base station terminal initiating the transmission request × the average uplink throughput of the first base station terminal, and the throughput of the second base station = the number of the second base station edge terminal initiating the transmission request × the average uplink throughput of the second base station edge terminal.
In this step, all terminals of the first base station are considered for the throughput statistics of the first base station, and only the edge terminals of the second base station are considered for the throughput statistics of the second base station. During resource allocation, only the resource allocation for the edge terminal of the second base station is considered, the non-edge terminal still uses the original frequency band of the second base station, and the transmission resource of the shared frequency band is not occupied, so that the situation that the transmission performance of the first base station and the second base station is influenced due to insufficient resources of the shared frequency band can be avoided.
In this step, the spectral efficiency is defined as the uplink throughput that can be carried on the per hertz spectrum, and the unit is bps/Hz, and the spectral efficiency can be obtained by statistics at the first base station and the second base station. Specifically, the spectral efficiency of the first base station is obtained by averaging the spectral efficiencies of the single terminals of all the terminals of the first base station. And averaging the single-terminal spectrum efficiency of all edge terminals of the second base station to obtain the spectrum efficiency of the second base station. The single-terminal spectrum efficiency = the average uplink throughput of the single terminal/the average uplink bandwidth occupied by the single terminal.
In this step, the load is the same as that in step 101, and is defined as the utilization rate of the uplink PRBs, i.e. the ratio of the number of uplink PRBs already used by the base station frequency band to the number of uplink PRBs allocated by the base station.
In this step, the priority reflects the priority of the base stations of different systems in the shared frequency resource allocation process, and the base station with the higher priority can obtain more transmission resources during transmission. The priority can be represented by an integer P (P ≧ 1) in a quantization mode, and the larger the value of P is, the higher the priority is. The priority may be pre-configured in the shared controller, may be determined based on operator policy, and may set a higher priority for the first base station or may set a higher priority for the second base station.
The application provides a data transmission method, which determines whether two systems are allowed to share a frequency band based on the load of a first base station and the transmission requirement of a second base station, and under the condition that the load of the first base station is not high or the transmission requirement of the second base station is higher, the transmission resource of the frequency band of the first base station is distributed to the first base station and the second base station, so that the two base stations can share the transmission resource of the frequency band of the first base station, the transmission requirement of the second base station is met, and the waste of the transmission resource is avoided.
As shown in fig. 4, a specific embodiment is described as follows:
in this embodiment, the first base station is a 3G/4G base station, and the second base station is a 5G base station. The uplink frequency band of the first base station is lower than the uplink frequency band of the second base station. The first base station and the second base station are configured to support uplink frequency band sharing, the uplink frequency band of the first base station serves as an uplink shared frequency band, and transmission resources on the uplink shared frequency band can be shared by the first base station and the second base station. The transmission resource on the uplink shared frequency band is an uplink PRB resource.
The shared controller is an independent physical entity and is arranged on the side of the first base station, and the first system base station and the second system base station are respectively connected with the shared controller. The setting mode of the shared controller is not limited in the present application, and other setting modes of the shared controller may refer to this embodiment.
201. The second base station determines an edge terminal of the second base station.
And the second base station measures the uplink RSRP transmitted by the terminal, and determines the terminal with the uplink RSRP lower than a preset third threshold as a second base station edge terminal. Then, the number of the second base station edge terminals is counted.
202. The first base station and the second base station respectively determine the throughput, the spectrum efficiency and the load of the first base station and the second base station.
In this embodiment, the first base station calculates the throughput T of the first base station according to the formula, where the throughput of the first base station = the number of the first base station terminals and the average uplink throughput of the first base station terminals 1 The second base station calculates the throughput T of the second base station according to the formula of the throughput of the second base station = the number of the edge terminals of the second base station ×. The average throughput of the uplink of the edge terminals of the second base station 2 。
Single terminal of first base station to all terminals of first base stationThe spectral efficiency E of the first base station is obtained by averaging the spectral efficiency 1 . The second base station averages the single-terminal frequency spectrum efficiency of all edge terminals of the second base station to obtain the frequency spectrum efficiency E of the second base station 2 . The single-terminal spectrum efficiency = the average uplink throughput of the single terminal/the average uplink bandwidth occupied by the single terminal.
The first base station and the second base station calculate the load L of the first base station and the second base station according to a load calculation formula 1 、L 2 . The load calculation formula is: base station load = number of uplink PRBs already used by the base station band/total number of uplink PRBs allocated by the base station.
203. The shared controller respectively sends first messages to the first base station and the second base station to request to acquire the throughput, the spectrum efficiency and the load of the first base station and the second base station.
204. And the first base station and the second base station respectively feed back a second message to the shared controller, and send respective throughput, spectral efficiency and load values to the shared controller.
205. And the sharing controller sends a third message to the second base station to request to acquire the number of the second base station edge terminals initiating the uplink transmission request.
206. And the second base station feeds back a fourth message to the shared controller, wherein the message carries the number of the second base station edge terminals initiating the uplink transmission request.
207. The shared controller checks the load of the first base station and the number of the edge terminals of the second base station, if the load of the first base station is lower than a preset first threshold and the number of the edge terminals of the second base station is higher than a preset second threshold, the steps 208-210 are executed; otherwise, steps 211-212 are performed.
208. The sharing controller determines transmission resources on the uplink shared frequency band allocated by the first base station and the second base station based on the uplink transmission parameters of the first base station and the second base station.
The shared controller inquires and reads the pre-configured priority P of the first base station and the second base station 1 、P 2 And the number of all transmission resources (i.e. all PRBs) corresponding to the frequency band of the first base station is N. Then, a first parameter D is calculated 1 ＝T 1 *E 1 *L 1 *P 1 Second parameter D 2 ＝T 2 *E 2 *L 2 *P 2 . Then, a transmission resource allocation coefficient rho of the first base station is calculated 1 ＝D 1 /(D 1 +D 2 ) Transmission resource allocation coefficient ρ of the second base station 2 ＝D 2 /(D 1 +D 2 ). Finally, the transmission resource on the uplink shared frequency band allocated by the first base station is calculated to be N 1 ＝N*ρ 1 The transmission resource on the uplink shared frequency band allocated by the second base station is N 2 ＝N*ρ 2 。
209. And the sharing controller respectively sends a fifth message to the first base station and the second base station, wherein the message carries the uplink shared link transmission resource information distributed by the first base station and the second base station.
Specifically, in this embodiment, the fifth message carries the uplink shared link transmission resource N allocated by the first base station 1 And the uplink shared link transmission resource N allocated by the second base station 2 。
210. And the first base station and the second base station respectively use the allocated uplink shared link transmission resources for uplink transmission.
211. And the sharing controller respectively sends a sixth message to the first base station and the second base station to indicate that the first base station and the second base station are not allowed to share the uplink currently.
212. The first base station uses all transmission resources on the uplink shared frequency band for uplink transmission, and the second base station cannot use the transmission resources on the uplink shared frequency band.
The application provides a data transmission method, which determines whether two systems are allowed to share a frequency band based on the load of a first base station and the transmission requirement of a second base station, and under the condition that the load of the first base station is not high or the transmission requirement of the second base station is higher, the transmission resource of the frequency band of the first base station is distributed to the first base station and the second base station, so that the two base stations can share the transmission resource of the frequency band of the first base station, the transmission requirement of the second base station is met, and the waste of the transmission resource is avoided.
In the embodiment of the present application, the data transmission apparatus for executing the method may be divided into functional modules or functional units according to the method example, for example, each functional module or functional unit may be divided according to each function, or two or more functions may be integrated into one processing module. The integrated module may be implemented in the form of hardware, or may also be implemented in the form of a software functional module or functional unit. The division of the modules or units in the embodiment of the present application is schematic, and is only a logic function division, and there may be another division manner in actual implementation.
Fig. 5 shows a schematic diagram of a possible structure of the data transmission device according to the above embodiment. The device comprises an acquisition unit 301 and a processing unit 302.
The acquiring unit 301 is configured to acquire a load of a first base station and the number of edge terminals of a second base station; the frequency band of the first base station is lower than that of the second base station; and the edge terminal of the second base station is a terminal in a preset area within the coverage range of the second base station.
The processing unit 302 is configured to instruct the second base station to share the frequency band of the first base station for data transmission if the load of the first base station is lower than a preset first threshold and/or the number of edge terminals of the second base station is higher than a preset second threshold.
Optionally, the obtaining unit 301 is further configured to obtain transmission parameters of the first base station and the second base station, where the transmission parameters include any one or more of the following parameters: throughput, spectral efficiency, load, priority.
Optionally, the processing unit 302 is further configured to determine, according to the transmission parameters of the first base station and the second base station, transmission resources corresponding to the frequency band of the first base station, which are allocated to the first base station and the second base station when the first base station and the second base station share the frequency band of the first base station for data transmission.
Optionally, the obtaining unit 301 is further configured to obtain a total amount of transmission resources corresponding to a frequency band of the first base station;
optionally, the processing unit 302 is further configured to determine a transmission resource allocation coefficient of the first base station and a transmission resource allocation coefficient of the second base station according to the transmission parameter of the first base station and the transmission parameter of the second base station, respectively. And respectively calculating transmission resources corresponding to the frequency band of the first base station and the frequency band of the second base station when the first base station and the second base station share the frequency band of the first base station for data transmission according to the total number of the transmission resources and the transmission resource distribution coefficients of the first base station and the second base station.
Optionally, the obtaining unit 301 is further configured to obtain an uplink reference signal received power RSRP transmitted by a terminal of the second base station.
Optionally, the processing unit 302 is further configured to determine a terminal whose uplink RSRP is lower than a preset third threshold as an edge terminal of the second base station; and counting the number of the edge terminals of the second base station as the number of the edge terminals of the second base station.
According to the device provided by the embodiment of the application, whether the two systems are allowed to share the frequency band is determined based on the load of the first base station and the transmission requirement of the second base station, and the transmission resource of the frequency band of the first base station is distributed to the first base station and the second base station under the condition that the load of the first base station is not high or the transmission requirement of the second base station is high, so that the two base stations can share the transmission resource of the frequency band of the first base station, the transmission requirement of the second base station is met, and the waste of the transmission resource is avoided.
Fig. 6 shows a schematic diagram of another possible structure of the data transmission device according to the above embodiment. The device comprises: a processor 401 and a communication interface 402. The processor 401 is used for controlling and managing the actions of the apparatus, for example, performing the steps performed by the processing unit 302 described above, and/or other processes for performing the techniques described herein. The communication interface 402 is used to support communication of the apparatus with other network entities, for example, to perform the steps performed by the above-described acquisition unit 301. The device may further comprise a memory 403 and a bus 404, the memory 403 being used for storing program codes and data of the device.
Wherein the memory 403 may be a memory in a device or the like, which may include volatile memory, such as random access memory; the memory may also include non-volatile memory, such as read-only memory, flash memory, a hard disk, or a solid state disk; the memory may also comprise a combination of memories of the kind described above.
The communication interface 402 may be implemented as a transceiver circuit.
The processor 401 may be various illustrative logical blocks, modules, and circuits described above that may be implemented or performed in connection with the disclosure herein. The processor may be a central processing unit, general purpose processor, digital signal processor, application specific integrated circuit, field programmable gate array or other programmable logic device, transistor logic device, hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. The processor may also be a combination of computing functions, e.g., comprising one or more microprocessors, DSPs, and microprocessors, among others.
The bus 404 may be an Extended Industry Standard Architecture (EISA) bus or the like. The bus 404 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in FIG. 6, but this is not intended to represent only one bus or type of bus.
Through the description of the foregoing embodiments, it will be clear to those skilled in the art that, for convenience and simplicity of description, only the division of the functional modules is illustrated, and in practical applications, the above function distribution may be completed by different functional modules as needed, that is, the internal structure of the apparatus may be divided into different functional modules to complete all or part of the above described functions. For the specific working processes of the system, the apparatus and the unit described above, reference may be made to the corresponding processes in the foregoing method embodiments, and details are not described here again.
The embodiment of the present application further provides a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the instructions are executed by a computer, the computer executes each step executed by the shared controller in the method flow shown in the foregoing method embodiment.
The computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a Read-Only Memory (ROM), an Erasable Programmable Read-Only Memory (EPROM), a register, a hard disk, an optical fiber, a portable Compact Disc Read-Only Memory (CD-ROM), an optical storage device, a magnetic storage device, any suitable combination of the above, or any other form of computer readable storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an Application Specific Integrated Circuit (ASIC). In embodiments of the present application, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The above description is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. A method of data transmission, comprising:
acquiring the load of a first base station and the number of edge terminals of a second base station; the frequency band of the first base station is lower than that of the second base station; the edge terminal of the second base station is a terminal in a preset area within the coverage area of the second base station;
if the load of the first base station is lower than a preset first threshold and/or the number of edge terminals of the second base station is higher than a preset second threshold, respectively acquiring transmission parameters of the first base station and the second base station, where the transmission parameters include any one or more of the following parameters: throughput, spectral efficiency, load, priority;
respectively determining transmission resources corresponding to the frequency band of the first base station, which are allocated to the first base station and the second base station when the first base station and the second base station share the frequency band of the first base station for data transmission, according to the transmission parameters of the first base station and the second base station;
and indicating the second base station to share the frequency band of the first base station for data transmission.
2. The data transmission method according to claim 1, wherein the determining, according to the transmission parameters of the first base station and the second base station, the transmission resources corresponding to the frequency band of the first base station, which are allocated to the first base station and the second base station when the first base station and the second base station share the frequency band of the first base station for data transmission, respectively, includes:
acquiring the total quantity of transmission resources corresponding to the frequency band of the first base station;
respectively determining a transmission resource allocation coefficient of the first base station and a transmission resource allocation coefficient of the second base station according to the transmission parameters of the first base station and the transmission parameters of the second base station;
and respectively calculating transmission resources corresponding to the frequency band of the first base station and the frequency band of the second base station when the first base station and the second base station share the frequency band of the first base station for data transmission according to the total number of the transmission resources and the transmission resource allocation coefficients of the first base station and the second base station.
3. The data transmission method according to claim 1 or 2, wherein the obtaining the number of edge terminals of the second base station comprises:
acquiring uplink Reference Signal Received Power (RSRP) transmitted by a terminal of the second base station;
determining the terminal with the uplink RSRP lower than a preset third threshold as an edge terminal of the second base station;
and counting the number of the edge terminals of the second base station as the number of the edge terminals of the second base station.
4. A data transmission apparatus, comprising:
an obtaining unit, configured to obtain a load of a first base station and a number of edge terminals of a second base station; the frequency band of the first base station is lower than that of the second base station; the edge terminal of the second base station is a terminal in a preset area within the coverage area of the second base station;
the obtaining unit is further configured to obtain transmission parameters of the first base station and the second base station respectively if the load of the first base station is lower than a preset first threshold and/or the number of edge terminals of the second base station is higher than a preset second threshold, where the transmission parameters include any one or more of the following parameters: throughput, spectral efficiency, load, priority;
and the processing unit is used for respectively determining transmission resources corresponding to the frequency band of the first base station, which are allocated to the first base station and the second base station when the first base station and the second base station share the frequency band of the first base station for data transmission, according to the transmission parameters of the first base station and the second base station, and instructing the second base station to share the frequency band of the first base station for data transmission.
5. The data transmission apparatus according to claim 4,
the acquiring unit is further configured to acquire a total number of transmission resources corresponding to a frequency band of the first base station; the processing unit is further configured to determine a transmission resource allocation coefficient of the first base station and a transmission resource allocation coefficient of the second base station according to the transmission parameter of the first base station and the transmission parameter of the second base station, respectively;
and respectively calculating transmission resources corresponding to the frequency band of the first base station and the frequency band of the second base station when the first base station and the second base station share the frequency band of the first base station for data transmission according to the total number of the transmission resources and the transmission resource allocation coefficients of the first base station and the second base station.
6. The data transmission apparatus according to claim 4 or 5,
the acquiring unit is further configured to acquire an uplink reference signal received power RSRP transmitted by the terminal of the second base station;
the processing unit is further configured to determine, as an edge terminal of the second base station, a terminal whose uplink RSRP is lower than a preset third threshold; and counting the number of the edge terminals of the second base station as the number of the edge terminals of the second base station.
7. An apparatus, characterized in that the apparatus comprises: a processor, a transceiver, and a memory; wherein the memory is used for storing one or more programs; the one or more programs include computer executable instructions that, when executed by the apparatus, cause the apparatus to perform the method of any of claims 1 to 3 by executing the computer executable instructions stored in the memory.
8. A computer-readable storage medium, wherein instructions are stored in the computer-readable storage medium, and when the instructions are executed by a computer, the computer performs the data transmission method according to any one of claims 1 to 3.
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| CN112469045B (en) * | 2019-09-06 | 2023-11-17 | 上海华为技术有限公司 | Method, device and equipment for sharing spectrum resources |
| CN111698784B (en) * | 2020-06-24 | 2023-09-26 | 京信网络系统股份有限公司 | Data transmission method, device, equipment and storage medium |
| CN115250472A (en) * | 2021-04-28 | 2022-10-28 | 中国移动通信集团四川有限公司 | Frequency allocation method and device and electronic equipment |
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