CN113301575A - Resource allocation method for multiple base stations and radio remote unit - Google Patents
Resource allocation method for multiple base stations and radio remote unit Download PDFInfo
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- CN113301575A CN113301575A CN202110498803.4A CN202110498803A CN113301575A CN 113301575 A CN113301575 A CN 113301575A CN 202110498803 A CN202110498803 A CN 202110498803A CN 113301575 A CN113301575 A CN 113301575A
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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
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/10—Dynamic resource partitioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
Abstract
The application relates to a resource allocation method of multiple base stations, a radio remote unit, a RAN system, an electronic device and a storage medium, wherein the resource allocation method of the multiple base stations comprises the following steps: receiving configuration requirement information of a plurality of base stations; acquiring allocable radio frequency resources, and determining first radio frequency resources configured to a plurality of base stations in the allocable radio frequency resources according to configuration demand information; performing resource configuration information overlapping detection on the first radio frequency resource, and determining whether the first radio frequency resource is successfully configured for the plurality of base stations according to the detection result; and under the condition that the configuration is determined to be successful, receiving downlink signals input through the corresponding distribution units according to the corresponding radio frequency channels, and determining downlink radio frequency outputs corresponding to the plurality of base stations according to the downlink signals and the resource configuration information. By the method and the device, the problem of low equipment utilization rate when multiple base stations are connected into the remote radio unit is solved, convenience is brought to the multiple base stations to be connected into the remote radio unit, the structure is simplified, and the equipment utilization rate is improved.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a resource allocation method for multiple base stations and a radio remote unit.
Background
The open radio access network (O-RAN) is a concept based on interoperability and standardization of RAN elements, and based on an O-RAN protocol proposed by the O-RAN alliance, application software and special equipment are separated and stripped, so that operators can introduce more developers of third-party software and hardware.
In the related art RAN system based on the ora protocol, a multi-operator access design needs to coordinate multiple operators to access the same RAN system, thereby realizing sharing of dedicated hardware devices. However, the operator reuses its own related devices and accesses the same RAN system, which is likely to cause cost increase, difficulty in operator coordination, and low device utilization rate.
Aiming at the problem of low equipment utilization rate when multiple base stations access a radio remote unit in the related art, no effective solution is provided at present.
Disclosure of Invention
In this embodiment, a resource allocation method for multiple base stations, a remote radio unit, a RAN system, an electronic apparatus, and a storage medium are provided to solve the problem in the related art that the utilization rate of devices is low when multiple base stations access the remote radio unit.
In a first aspect, in this embodiment, a resource configuration method for multiple base stations is provided, and is applied to a radio remote unit, and includes: receiving configuration requirement information of a plurality of base stations, wherein the base stations are connected with the remote radio unit through corresponding distribution units and ORAN interfaces based on an ORAN protocol, and the configuration requirement information is determined based on allocable radio resources of the remote radio unit; acquiring the allocable radio frequency resources, and determining first radio frequency resources configured to the plurality of base stations in the allocable radio frequency resources according to the configuration demand information, wherein the first radio frequency resources comprise radio frequency channels configured to each base station and resource configuration information configured to each radio frequency channel; performing resource configuration information overlapping detection on the first radio frequency resource, and determining whether the first radio frequency resource is successfully configured for the plurality of base stations according to a detection result; and under the condition that the configuration is determined to be successful, receiving downlink signals input through the corresponding distribution units according to the corresponding radio frequency channels, and determining downlink radio frequency outputs corresponding to the base stations according to the downlink signals and the resource configuration information.
In some embodiments, the resource configuration information includes a carrier signal, performing resource configuration information overlap detection on the first radio frequency resource, and determining whether the first radio frequency resource is successfully configured for the plurality of base stations according to a detection result includes: detecting whether the radio frequency channel is associated with a plurality of base stations; wherein each of said radio frequency channels is associated with at least one of said base stations; under the condition that the radio frequency channel is associated with a plurality of base stations, detecting the carrier signals configured in the associated radio frequency channel by the base stations, and detecting whether the carrier signals corresponding to the base stations in the associated radio frequency channel are overlapped; and determining that the first radio frequency resource is successfully configured for the plurality of base stations under the condition that the carrier signals corresponding to the plurality of base stations in the associated radio frequency channels are not overlapped.
In some embodiments, in the case that it is detected that the radio frequency channel is associated with multiple operators, determining, according to the downlink signal, the corresponding resource configuration information includes: detecting a baseband signal in the downlink signal corresponding to each operator, and determining the signal strength of each baseband signal; and determining a corresponding power transmission ratio according to the signal strength of the baseband signal, and determining that the resource configuration information comprises the power transmission ratio.
In some of these embodiments, the method further comprises: and under the condition that each radio frequency channel is associated with one of the base stations, determining that the resource configuration information of the first radio frequency resource is not overlapped, and determining that the corresponding base station successfully configures the first radio frequency resource.
In some embodiments, determining downlink radio frequency outputs corresponding to the plurality of base stations according to the downlink signal and the resource configuration information includes: acquiring a first baseband signal in the downlink signal received by the radio frequency channel, and determining the signal strength of the first baseband signal; determining a first reference radio frequency output of the corresponding base station according to the signal intensity of the first baseband signal; and acquiring a first preset radio frequency output gain corresponding to the resource configuration information, and determining a downlink radio frequency output of the corresponding base station according to the first preset radio frequency gain and the first reference radio frequency output.
In some embodiments, when it is detected that the radio frequency channel is associated with a plurality of base stations, determining downlink radio frequency outputs corresponding to the plurality of base stations according to the downlink signal and the resource configuration information includes: acquiring a second downlink signal separated from all downlink signals received by the radio frequency channel, wherein the second downlink signal corresponds to a downlink signal of each base station in a plurality of base stations associated with the radio frequency channel; detecting a second baseband signal in each second downlink signal and determining a signal strength of each second baseband signal; determining a second reference radio frequency output of the corresponding base station according to the signal strength of each second baseband signal; and acquiring a second preset radio frequency output gain corresponding to the resource configuration information configured by each base station, and determining downlink radio frequency output of each base station in the plurality of base stations according to the second preset radio frequency output gain and the second reference radio frequency output.
In some embodiments, the configuration requirement information carries device information of the distribution unit corresponding to the base station, and the method further includes: acquiring first uplink signals returned along the corresponding radio frequency channels, wherein the first uplink signals comprise second uplink signals corresponding to all the base stations associated with the radio frequency channels; shunting the first uplink signal according to the equipment information to obtain a second uplink signal; and filtering the second uplink signal, and returning the filtered second uplink signal to the distribution unit determined according to the device information, where the device information includes an MAC address.
In a second aspect, in this embodiment, there is provided a remote radio unit, including: the access module is used for receiving downlink signals input by the distribution units corresponding to the base stations and returning corresponding uplink signals to the corresponding distribution units; an ORAN interface module, configured to access the corresponding distribution unit, provide corresponding radio frequency resource configuration for the base station, and receive configuration requirement information corresponding to the base station; a carrier configuration module, configured to summarize the configuration requirement information received by the ora interface module, and configured to perform radio frequency resource configuration on the plurality of base stations according to the configuration requirement information; and the resource processing module is used for determining corresponding downlink radio frequency output according to the downlink signals input by the distribution units corresponding to the plurality of base stations and shunting the uplink signals of the plurality of base stations.
In a third aspect, in this embodiment, a RAN system is provided, including: the system comprises a base station, a distribution unit and a radio remote unit; the base station is accessed to the remote radio unit through the distribution unit; the base station is used for outputting downlink signals and receiving uplink signals transmitted by the distribution unit; the distribution unit is used for transmitting corresponding downlink signals to the radio remote unit and receiving corresponding uplink signals; the remote radio unit is configured to perform the resource allocation method for multiple base stations according to the first aspect.
In a fourth aspect, in this embodiment, there is provided an electronic apparatus, including a memory and a processor, where the memory stores a computer program, and the processor implements the method for configuring resources of multiple base stations according to the first aspect when executing the computer program.
In a fifth aspect, in the present embodiment, there is provided a storage medium, on which a computer program is stored, wherein the computer program, when executed by a processor, implements the steps of the method for configuring resources of multiple base stations according to the first aspect.
Compared with the related art, the resource configuration method of multiple base stations, the remote radio unit, the RAN system, the electronic device and the storage medium provided in this embodiment receive configuration requirement information of multiple base stations, where the base stations are connected to the remote radio unit through corresponding distribution units and an ora interface based on an ora protocol, and the configuration requirement information is determined based on allocable radio resources of the remote radio unit; acquiring allocable radio frequency resources, and determining first radio frequency resources configured to a plurality of base stations in the allocable radio frequency resources according to configuration demand information, wherein the first radio frequency resources comprise radio frequency channels configured to each base station and resource configuration information configured to each radio frequency channel; performing resource configuration information overlapping detection on the first radio frequency resource, and determining whether the first radio frequency resource is successfully configured for the plurality of base stations according to the detection result; and under the condition of determining that the configuration is successful, receiving downlink signals input through the corresponding distribution units according to the corresponding radio frequency channels, and determining downlink radio frequency outputs corresponding to the plurality of base stations according to the downlink signals and the resource configuration information, so that the problem of low equipment utilization rate when the plurality of base stations are accessed to the radio remote unit is solved, the convenience for the access of the plurality of base stations to the radio remote unit is realized, the structure is simplified, and the equipment utilization rate is improved.
The details of one or more embodiments of the application are set forth in the accompanying drawings and the description below to provide a more thorough understanding of the application.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a block diagram of a hardware structure of a terminal of a resource allocation method of multiple base stations according to an embodiment of the present application;
fig. 2 is a flowchart of a resource allocation method of multiple base stations according to an embodiment of the present application;
fig. 3 is a block diagram of a remote radio unit according to an embodiment of the present application.
Detailed Description
For a clearer understanding of the objects, aspects and advantages of the present application, reference is made to the following description and accompanying drawings.
Unless defined otherwise, technical or scientific terms used herein shall have the same general meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of this application do not denote a limitation of quantity, either in the singular or the plural. The terms "comprises," "comprising," "has," "having," and any variations thereof, as referred to in this application, are intended to cover non-exclusive inclusions; for example, a process, method, and system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or modules, but may include other steps or modules (elements) not listed or inherent to such process, method, article, or apparatus. Reference throughout this application to "connected," "coupled," and the like is not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. Reference to "a plurality" in this application means two or more. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. In general, the character "/" indicates a relationship in which the objects associated before and after are an "or". The terms "first," "second," "third," and the like in this application are used for distinguishing between similar items and not necessarily for describing a particular sequential or chronological order.
The method embodiments provided in the present embodiment may be executed in a terminal, a computer, or a similar computing device. For example, the method is executed on a terminal, and fig. 1 is a block diagram of a hardware structure of the terminal according to the resource allocation method for multiple base stations in this embodiment. As shown in fig. 1, the terminal may include one or more processors 102 (only one shown in fig. 1) and a memory 104 for storing data, wherein the processor 102 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA. The terminal may also include a transmission device 106 for communication functions and an input-output device 108. It will be understood by those of ordinary skill in the art that the structure shown in fig. 1 is merely an illustration and is not intended to limit the structure of the terminal described above. For example, the terminal may also include more or fewer components than shown in FIG. 1, or have a different configuration than shown in FIG. 1.
The memory 104 can be used to store computer programs, for example, software programs and modules of application software, such as computer programs corresponding to the resource allocation method of multiple base stations in the embodiment, and the processor 102 executes various functional applications and data processing by running the computer programs stored in the memory 104, so as to implement the above-mentioned method. The memory 104 may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 104 may further include memory located remotely from the processor 102, which may be connected to the terminal over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The transmission device 106 is used to receive or transmit data via a network. The network described above includes a wireless network provided by a communication provider of the terminal. In one example, the transmission device 106 includes a Network adapter (NIC) that can be connected to other Network devices through a base station to communicate with the internet. In one example, the transmission device 106 may be a Radio Frequency (RF) module, which is used to communicate with the internet in a wireless manner.
In this embodiment, a resource allocation method for multiple base stations is provided, and fig. 2 is a flowchart of the resource allocation method for multiple base stations in this embodiment, as shown in fig. 2, the flowchart includes the following steps:
step S201, receiving configuration requirement information of a plurality of base stations, where the base stations are connected to the remote radio unit through corresponding distribution units and an ora interface based on an ora protocol, and the configuration requirement information is determined based on allocable radio resources of the remote radio unit.
In this embodiment, a plurality of base stations share a radio frequency channel and are connected to a radio remote unit, and one radio frequency channel is correspondingly provided with an uplink and a downlink.
In this embodiment, each base station is provided with a corresponding distribution unit (distribution unit), and the remote radio unit is provided with an O-RAN interface module based on an O-RAN protocol. Each base station is respectively accessed to the radio remote unit through the respective distribution unit, and after the base station is accessed to the radio remote unit, the O-RAN interface module provides independent and non-conflicting resource configuration O-RAN interfaces for the network management center and the distribution unit of each base station and receives configuration information (corresponding to configuration demand information) of each base station.
It should be understood that, in wireless communication, a base station includes a Central Unit (CU) and a plurality of Distribution Units (DUs), and each base station is connected to a remote radio Unit through a corresponding DU.
In this embodiment, the base stations may be different base stations of the same operator, or may be base stations of different operators.
In this embodiment, before the distribution unit issues the configuration requirement information to the remote radio unit, it needs to first acquire the allocable radio resource of the remote radio unit, that is, the capability of the remote radio unit, and then determine the issued configuration requirement information according to the allocable radio resource of the remote radio unit.
It should be understood that the configuration requirement information is adjusted based on the allocable radio frequency resources of the remote radio unit, so that the configuration requirement information is issued under the condition that the remote radio unit has the allocable radio frequency resources, so that the remote radio unit can configure the radio frequency resources corresponding to the resource amount of the corresponding base station.
Step S202, acquiring allocable radio frequency resources, and determining a first radio frequency resource configured to a plurality of base stations in the allocable radio frequency resources according to the configuration requirement information, wherein the first radio frequency resource comprises a radio frequency channel configured to each base station and resource configuration information configured to each radio frequency channel.
In this embodiment, after receiving configuration requirement information of each base station, the remote radio unit determines the number of accessed distribution units according to the received configuration requirement information, and then allocates configurable radio resources (shared hardware resources) according to the number of accessed distribution units, and opens the allocated radio resources to the corresponding base station, where the shared hardware resources include radio frequency channels and carrier signals, and the carrier signals are configured in the corresponding radio frequency channels, and of course, multiple carrier signals may be configured in one radio frequency channel, or multiple radio frequency channels may be configured for one base station.
In this embodiment, after the remote radio unit opens corresponding radio resources for each base station, each base station configures respective carrier information through a corresponding O-RAN interface, and the remote radio unit configures the carrier information, which is configured by each base station, uniformly at the remote radio unit end by summarizing the received carrier information configured by each base station, and makes the radio resources opened to each base station independent and independent from each other.
Step S203, performing resource allocation information overlapping detection on the first radio frequency resource, and determining whether the allocation of the first radio frequency resource for the plurality of base stations is successful according to the detection result.
In this embodiment, in the process of configuring the first radio frequency resource for each base station, the radio remote unit may determine whether the resource configuration is appropriate; in this embodiment, the resource configuration information includes carrier signals, and whether corresponding carrier signals in radio frequency channels configured for each base station overlap with one radio frequency channel is checked, where if the corresponding carrier signals completely overlap with one another, the corresponding carrier signals are the same, and if the corresponding carrier signals partially overlap with one another, the corresponding carrier signals have the same frequency band, that is, the associated radio frequency channels configured for different base stations are the same radio frequency channel, and meanwhile, the carrier signals corresponding to different base stations are also the same, that is, the same carrier signals configured for different base stations in the same radio frequency channel are the same or partially the same carrier signals, which may cause confusion of uplink and downlink transmission signaling and data of each base station.
Step S204, under the condition that the configuration is determined to be successful, receiving the downlink signals input through the corresponding distribution units according to the corresponding radio frequency channels, and determining downlink radio frequency outputs corresponding to the plurality of base stations according to the downlink signals and the resource configuration information.
In this embodiment, if the configuration is successful, a radio frequency channel is configured for the base station, and when different base stations share the same radio frequency channel, different carrier signals are configured for different base stations, so that different base stations can complete transmission of uplink and downlink signals in the radio frequency channel, and certainly, when different radio frequency channels are configured for different base stations, each base station transmits the uplink and downlink signals to the radio remote unit along the corresponding radio frequency channel, and then outputs downlink radio frequency output determined according to the downlink signal through the radio remote unit, that is, converts the downlink radio frequency output into a radio frequency signal to be sent out; in this embodiment, the remote radio unit serves as a feeder for transmitting radio signals.
Through the steps S201 to S204, the configuration requirement information of the plurality of base stations is received; acquiring allocable radio frequency resources, and determining first radio frequency resources configured to a plurality of base stations in the allocable radio frequency resources according to configuration demand information; performing resource configuration information overlapping detection on the first radio frequency resource, and determining whether the first radio frequency resource is successfully configured for the plurality of base stations according to the detection result; and under the condition of determining that the configuration is successful, receiving downlink signals input through the corresponding distribution units according to the corresponding radio frequency channels, and determining downlink radio frequency outputs corresponding to the plurality of base stations according to the downlink signals and the resource configuration information, so that the problem of low equipment utilization rate when the plurality of base stations are accessed to the radio remote unit is solved, the convenience for the access of the plurality of base stations to the radio remote unit is realized, the structure is simplified, and the equipment utilization rate is improved.
In some embodiments, the resource allocation information includes a carrier signal, performing resource allocation information overlap detection on the first radio frequency resource, and determining whether the first radio frequency resource is successfully allocated to the plurality of base stations according to a detection result includes the following steps:
step 1, detecting whether a radio frequency channel is associated with a plurality of base stations; wherein each radio frequency channel is associated with at least one base station.
In this embodiment, each base station may be associated with multiple radio frequency channels, that is, multiple radio frequency channels are configured between the base station and the remote radio unit, or each base station may be associated with one radio frequency channel, or multiple base stations may share the same radio frequency channel.
And 2, under the condition that the radio frequency channel is detected to be associated with a plurality of base stations, detecting carrier signals configured in the associated radio frequency channel by the plurality of base stations, and detecting whether the carrier signals corresponding to the plurality of base stations in the associated radio frequency channel are overlapped.
In this embodiment, when it is detected that a plurality of base stations share the same radio frequency channel, a carrier signal configured in the radio frequency channel is checked, thereby ensuring that radio frequency resource configuration of the base stations is reasonable and successful; when it is detected that the carrier signals in the same radio frequency channel are overlapped, it is indicated that at least two different base stations are configured with the same radio frequency channel and carrier signals, so that the corresponding base station and the radio remote unit cannot perform uplink signal backhaul and downlink signal transmission along the corresponding uplink and downlink connections.
And 3, determining that the first radio frequency resources are successfully configured for the plurality of base stations under the condition that the carrier signals corresponding to the plurality of base stations in the associated radio frequency channels are not overlapped.
Detecting whether the radio frequency channel is associated with a plurality of base stations or not through the steps; under the condition that the radio frequency channel is detected to be associated with a plurality of base stations, carrier signals configured in the associated radio frequency channel by the base stations are detected, and whether the carrier signals corresponding to the base stations in the associated radio frequency channel are overlapped or not is detected; and when detecting that the carrier signals corresponding to the base stations in the associated radio frequency channels are not overlapped, determining that the first radio frequency resources are successfully configured for the base stations, thereby realizing carrier detection, and enabling the radio frequency resources opened to each base station to be independent and not to be influenced mutually.
In some of these embodiments, the following steps are also implemented: and under the condition that each radio frequency channel is detected to be associated with one of the base stations, determining that the resource configuration information of the first radio frequency resource is not overlapped, and determining that the corresponding base station successfully configures the first radio frequency resource.
In this embodiment, when it is detected that one radio frequency channel is associated with one base station, that is, a plurality of base stations communicate with the remote radio unit through one-to-one radio frequency channel, the configuration is such that radio frequency resources configured for the base stations are independent; meanwhile, even if the same carrier signal is configured for different base stations, the radio frequency resources configured for the base stations are not independent.
It should be noted that, when a base station is configured with a plurality of radio frequency channels, at this time, a base station is also associated with one radio frequency channel, and the base station is still in communication with the remote radio unit through one-to-one radio frequency channel.
In some embodiments, determining downlink radio frequency outputs corresponding to the plurality of base stations according to the downlink signals and the resource configuration information includes the following steps:
step 1, obtaining a first baseband signal in a downlink signal received by a radio frequency channel, and determining the signal intensity of the first baseband signal.
In this embodiment, each base station performs uplink and downlink communication with the remote radio unit through one-to-one radio frequency channel, that is, each radio frequency channel performs signal transmission through a corresponding carrier signal, and there are no multiple carrier signals in the radio frequency channel.
And 2, determining the first reference radio frequency output of the corresponding base station according to the signal intensity of the first baseband signal.
In this embodiment, a base level, that is, a basic value, of downlink radio frequency power output by a corresponding base station is determined according to signal strength (signal magnitude) of a baseband signal of a downlink signal transmitted along a corresponding radio frequency channel, and after the downlink signal is transmitted to a radio remote unit, gain compensation is performed on the base level of the downlink radio frequency power according to a preset rule through corresponding configuration, so as to generate downlink radio frequency output of the base station, and the downlink radio frequency output is converted into a radio frequency signal by the radio remote unit and output.
And 3, acquiring a first preset radio frequency output gain corresponding to the resource configuration information, and determining the downlink radio frequency output of the corresponding base station according to the first preset radio frequency gain and the first reference radio frequency output.
Acquiring a first baseband signal in the downlink signal received by the radio frequency channel in the step, and determining the signal intensity of the first baseband signal; determining a first reference radio frequency output of a corresponding base station according to the signal intensity of the first baseband signal; and acquiring a first preset radio frequency output gain corresponding to the resource configuration information, and determining the downlink radio frequency output of the corresponding base station according to the first preset radio frequency gain and the first reference radio frequency output, so that the actual downlink radio frequency output power output by the base station is processed when the radio frequency channel configured for the base station is an independent radio frequency channel.
In some embodiments, when it is detected that the radio frequency channel is associated with a plurality of base stations, determining downlink radio frequency outputs corresponding to the plurality of base stations according to the downlink signal and the resource configuration information includes the following steps:
step 1, obtaining a second downlink signal separated from all downlink signals received from a radio frequency channel, wherein the second downlink signal corresponds to a downlink signal of each base station in a plurality of base stations associated with the radio frequency channel.
In this embodiment, a plurality of base stations may perform uplink and downlink communication with a radio remote unit by sharing the same radio frequency channel, at this time, signal transmission is performed in the radio frequency channel through different carrier signals (which are not overlapped), and correspondingly, downlink signals of different base stations are also different, at this time, it is necessary to separate all downlink signals received from the radio frequency channel, so as to separate a second downlink signal corresponding to the corresponding base station.
And 2, detecting a second baseband signal in each second downlink signal, and determining the signal intensity of each second baseband signal.
And 3, determining second reference radio frequency output of the corresponding base station according to the signal strength of each second baseband signal.
In this embodiment, a reference, that is, a basic value, of downlink radio frequency power output by the corresponding base station is determined according to a signal strength (signal magnitude) of a baseband signal of each downlink signal of multiple downlink signals transmitted along the corresponding radio frequency channel, and after each downlink signal is transmitted to the radio remote unit, gain compensation is performed according to a preset rule on the reference of the downlink radio frequency power through corresponding configuration, so as to generate downlink radio frequency output of the base station, and the downlink radio frequency output is converted into a radio frequency signal through the radio remote unit and output.
And step 4, acquiring a second preset radio frequency output gain corresponding to the resource configuration information configured by each base station, and determining downlink radio frequency output of each base station in the plurality of base stations according to the second preset radio frequency output gain and the second reference radio frequency output.
Acquiring a second downlink signal separated from all downlink signals received from the radio frequency channel in the step; detecting a second baseband signal in each second downlink signal and determining the signal strength of each second baseband signal; determining a second reference radio frequency output of the corresponding base station according to the signal intensity of each second baseband signal; and acquiring a second preset radio frequency output gain corresponding to the resource configuration information configured by each base station, and determining the downlink radio frequency output of each base station in the plurality of base stations according to the second preset radio frequency output gain and the second reference radio frequency output, so that the actual downlink radio frequency output power output by the base stations is processed when the plurality of base stations share the same radio frequency channel.
In some embodiments, the configuration requirement information carries device information of a distribution unit corresponding to the base station, and after determining downlink radio frequency output of the base station, the following steps are further performed:
step 1, obtaining a first uplink signal returned along a corresponding radio frequency channel, wherein the first uplink signal comprises second uplink signals corresponding to all base stations associated with the radio frequency channel.
And 2, shunting the first uplink signal according to the equipment information to obtain a second uplink signal.
And 3, filtering the second uplink signal, and transmitting the filtered second uplink signal back to a distribution unit determined according to the equipment information, wherein the equipment information comprises the MAC address.
In this embodiment, the uplink signals transmitted back to the base station by the radio remote unit are processed, that is, the radio remote unit needs to provide the uplink radio frequency input signals to the corresponding base stations after filtering. In this embodiment, the first uplink signal returned along the corresponding radio frequency channel is first split, the second uplink signal corresponding to each base station is split, and then the split second uplink signal is filtered and returned to the distribution unit determined based on the MAC address of the distribution unit of each base station.
Acquiring a first uplink signal returned along a corresponding radio frequency channel in the step; shunting the first uplink signal according to the equipment information to obtain a second uplink signal; and filtering the second uplink signal, and transmitting the filtered second uplink signal back to the distribution unit determined according to the equipment information, thereby realizing the separation of the uplink signals in the shared hardware resource.
In this embodiment, a radio remote unit is further provided, and the radio remote unit is used to implement the foregoing embodiments and preferred embodiments, and details of which have been already described are omitted. The terms "module," "unit," "subunit," and the like as used below may implement a combination of software and/or hardware for a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.
Fig. 3 is a block diagram of a remote radio unit according to an embodiment of the present application, and as shown in fig. 3, the remote radio unit includes:
an access module 31, configured to receive downlink signals input by distribution units corresponding to multiple base stations, and return corresponding uplink signals to the corresponding distribution units;
an ora interface module 32 coupled to the access module 31, configured to access the corresponding distribution unit, provide corresponding radio frequency resource configuration for the base station, and receive configuration requirement information corresponding to the base station;
the carrier configuration module 33 is coupled to the ORAN interface module 32, and configured to summarize configuration requirement information received by the ORAN interface module, and perform radio frequency resource configuration on the multiple base stations according to the configuration requirement information;
and a resource processing module 34, coupled to the carrier configuration module 33, configured to determine a corresponding downlink radio frequency output according to the downlink signals input by the distribution units corresponding to the multiple base stations, and shunt the uplink signals of the multiple base stations.
In some embodiments, the resource configuration information includes a carrier signal, and the remote radio unit is further configured to detect whether the radio channel is associated with multiple base stations; wherein each radio frequency channel is associated with at least one radio frequency channel; under the condition that the radio frequency channel is detected to be associated with a plurality of base stations, carrier signals configured in the associated radio frequency channel by the base stations are detected, and whether the carrier signals corresponding to the base stations in the associated radio frequency channel are overlapped or not is detected; and under the condition that the carrier signals corresponding to the plurality of base stations in the associated radio frequency channels are not overlapped, determining that the first radio frequency resources are successfully configured for the plurality of base stations.
In some embodiments, the remote radio unit is further configured to determine that the resource configuration information of the first radio resource does not overlap and determine that the corresponding base station configures the first radio resource successfully, when it is detected that each radio channel is associated with one of the plurality of base stations.
In some embodiments, the remote radio unit is further configured to acquire a first baseband signal in the downlink signal received by the radio frequency channel, and determine a signal strength of the first baseband signal; determining a first reference radio frequency output of a corresponding base station according to the signal intensity of the first baseband signal; and acquiring a first preset radio frequency output gain corresponding to the resource configuration information, and determining the downlink radio frequency output of the corresponding base station according to the first preset radio frequency gain and the first reference radio frequency output.
In some embodiments, the radio remote unit is further configured to acquire a second downlink signal separated from all downlink signals received by the radio frequency channel, where the second downlink signal corresponds to a downlink signal of each base station in the plurality of base stations associated with the radio frequency channel; detecting a second baseband signal in each second downlink signal and determining the signal strength of each second baseband signal; determining a second reference radio frequency output of the corresponding base station according to the signal intensity of each second baseband signal; and acquiring a second preset radio frequency output gain corresponding to the resource configuration information configured by each base station, and determining downlink radio frequency output of each base station in the plurality of base stations according to the second preset radio frequency output gain and the second reference radio frequency output.
In some embodiments, the configuration requirement information carries device information of a distribution unit corresponding to the base station, and the radio remote unit is further configured to acquire a first uplink signal returned along a corresponding radio frequency channel, where the first uplink signal includes second uplink signals corresponding to all base stations associated with the radio frequency channel; shunting the first uplink signal according to the equipment information to obtain a second uplink signal; and filtering the second uplink signal, and transmitting the filtered second uplink signal back to the distribution unit determined according to the equipment information, wherein the equipment information comprises the MAC address.
The above modules may be functional modules or program modules, and may be implemented by software or hardware. For a module implemented by hardware, the modules may be located in the same processor; or the modules can be respectively positioned in different processors in any combination.
In this embodiment, a RAN system is further provided, including: the system comprises a base station, a distribution unit and a radio remote unit; the base station is accessed to the radio remote unit through the distribution unit; the base station is used for outputting downlink signals and receiving uplink signals transmitted by the distribution unit; the distribution unit is used for transmitting the corresponding downlink signal to the radio remote unit and receiving the corresponding uplink signal; the remote radio unit is used for executing the steps in any one of the above method embodiments.
There is also provided in this embodiment an electronic device comprising a memory having a computer program stored therein and a processor arranged to run the computer program to perform the steps of any of the above method embodiments.
Optionally, the electronic apparatus may further include a transmission device and an input/output device, wherein the transmission device is connected to the processor, and the input/output device is connected to the processor.
Optionally, in this embodiment, the processor may be configured to execute the following steps by a computer program:
s1, receiving configuration requirement information of a plurality of base stations.
S2, acquiring allocable radio frequency resources, and determining a first radio frequency resource configured to multiple base stations in the allocable radio frequency resources according to the configuration requirement information, wherein the first radio frequency resource comprises a radio frequency channel configured to each base station and resource configuration information configured to each radio frequency channel.
S3, the resource allocation information overlapping detection is carried out to the first radio frequency resource, and whether the allocation of the first radio frequency resource for the plurality of base stations is successful is determined according to the detection result.
And S4, receiving the downlink signals input by the corresponding distribution units according to the corresponding radio frequency channels under the condition that the configuration is determined to be successful, and determining downlink radio frequency outputs corresponding to the plurality of base stations according to the downlink signals and the resource configuration information.
It should be noted that, for specific examples in this embodiment, reference may be made to the examples described in the foregoing embodiments and optional implementations, and details are not described again in this embodiment.
In addition, in combination with the resource allocation method for multiple base stations provided in the foregoing embodiment, a storage medium may also be provided in this embodiment. The storage medium having stored thereon a computer program; the computer program, when executed by a processor, implements the resource allocation method of any one of the above embodiments.
It should be understood that the specific embodiments described herein are merely illustrative of this application and are not intended to be limiting. All other embodiments, which can be derived by a person skilled in the art from the examples provided herein without any inventive step, shall fall within the scope of protection of the present application.
It is obvious that the drawings are only examples or embodiments of the present application, and it is obvious to those skilled in the art that the present application can be applied to other similar cases according to the drawings without creative efforts. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.
The term "embodiment" is used herein to mean that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is to be expressly or implicitly understood by one of ordinary skill in the art that the embodiments described in this application may be combined with other embodiments without conflict.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the patent protection. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.
Claims (10)
1. A resource allocation method of multiple base stations is applied to a radio remote unit, and is characterized by comprising the following steps:
receiving configuration requirement information of a plurality of base stations, wherein the base stations are connected with the remote radio unit through corresponding distribution units and ORAN interfaces based on an ORAN protocol, and the configuration requirement information is determined based on allocable radio resources of the remote radio unit;
acquiring the allocable radio frequency resources, and determining first radio frequency resources configured to the plurality of base stations in the allocable radio frequency resources according to the configuration demand information, wherein the first radio frequency resources comprise radio frequency channels configured to each base station and resource configuration information configured to each radio frequency channel;
performing resource configuration information overlapping detection on the first radio frequency resource, and determining whether the first radio frequency resource is successfully configured for the plurality of base stations according to a detection result;
and under the condition that the configuration is determined to be successful, receiving downlink signals input through the corresponding distribution units according to the corresponding radio frequency channels, and determining downlink radio frequency outputs corresponding to the base stations according to the downlink signals and the resource configuration information.
2. The method of claim 1, wherein the resource allocation information includes a carrier signal, performing overlapping detection of the resource allocation information on the first radio frequency resource, and determining whether the allocation of the first radio frequency resource to the plurality of base stations is successful according to the detection result comprises:
detecting whether the radio frequency channel is associated with a plurality of base stations; wherein each of said radio frequency channels is associated with at least one of said base stations;
under the condition that the radio frequency channel is associated with a plurality of base stations, detecting the carrier signals configured in the associated radio frequency channel by the base stations, and detecting whether the carrier signals corresponding to the base stations in the associated radio frequency channel are overlapped;
and determining that the first radio frequency resource is successfully configured for the plurality of base stations under the condition that the carrier signals corresponding to the plurality of base stations in the associated radio frequency channels are not overlapped.
3. The method for resource allocation by multiple base stations as claimed in claim 2, wherein said method further comprises: and under the condition that each radio frequency channel is associated with one of the base stations, determining that the resource configuration information of the first radio frequency resource is not overlapped, and determining that the corresponding base station successfully configures the first radio frequency resource.
4. The method for resource allocation of multiple base stations according to claim 3, wherein determining downlink radio frequency outputs corresponding to the multiple base stations according to the downlink signal and the resource allocation information comprises:
acquiring a first baseband signal in the downlink signal received by the radio frequency channel, and determining the signal strength of the first baseband signal;
determining a first reference radio frequency output of the corresponding base station according to the signal intensity of the first baseband signal;
and acquiring a first preset radio frequency output gain corresponding to the resource configuration information, and determining a downlink radio frequency output of the corresponding base station according to the first preset radio frequency gain and the first reference radio frequency output.
5. The method for resource allocation of multiple base stations according to claim 2, wherein determining downlink radio frequency outputs corresponding to the multiple base stations according to the downlink signal and the resource allocation information when it is detected that the radio frequency channel is associated with multiple base stations comprises:
acquiring a second downlink signal separated from all downlink signals received by the radio frequency channel, wherein the second downlink signal corresponds to a downlink signal of each base station in a plurality of base stations associated with the radio frequency channel;
detecting a second baseband signal in each second downlink signal and determining a signal strength of each second baseband signal;
determining a second reference radio frequency output of the corresponding base station according to the signal strength of each second baseband signal;
and acquiring a second preset radio frequency output gain corresponding to the resource configuration information configured by each base station, and determining downlink radio frequency output of each base station in the plurality of base stations according to the second preset radio frequency output gain and the second reference radio frequency output.
6. The method for resource allocation of multiple base stations according to claim 1, wherein the configuration requirement information carries device information of the distribution unit corresponding to the base station, and the method further comprises:
acquiring first uplink signals returned along the corresponding radio frequency channels, wherein the first uplink signals comprise second uplink signals corresponding to all the base stations associated with the radio frequency channels;
shunting the first uplink signal according to the equipment information to obtain a second uplink signal;
and filtering the second uplink signal, and returning the filtered second uplink signal to the distribution unit determined according to the device information, where the device information includes an MAC address.
7. A remote radio unit, comprising:
the access module is used for receiving downlink signals input by the distribution units corresponding to the base stations and returning corresponding uplink signals to the corresponding distribution units;
an ORAN interface module, configured to access the corresponding distribution unit, provide corresponding radio frequency resource configuration for the base station, and receive configuration requirement information corresponding to the base station;
a carrier configuration module, configured to summarize the configuration requirement information received by the ora interface module, and configured to perform radio frequency resource configuration on the plurality of base stations according to the configuration requirement information;
and the resource processing module is used for determining corresponding downlink radio frequency output according to the downlink signals input by the distribution units corresponding to the plurality of base stations and shunting the uplink signals of the plurality of base stations.
8. A RAN system, comprising: the system comprises a base station, a distribution unit and a radio remote unit; the base station is accessed to the remote radio unit through the distribution unit;
the base station is used for outputting downlink signals and receiving uplink signals transmitted by the distribution unit;
the distribution unit is used for transmitting corresponding downlink signals to the radio remote unit and receiving corresponding uplink signals;
the remote radio unit is configured to perform the resource configuration method of multiple base stations according to any one of claims 1 to 6.
9. An electronic device comprising a memory and a processor, wherein the memory stores a computer program, and the processor is configured to execute the computer program to perform the method for resource allocation of multiple base stations as claimed in any one of claims 1 to 6.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method for resource allocation of multiple base stations according to any one of claims 1 to 6.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110498803.4A CN113301575B (en) | 2021-05-08 | 2021-05-08 | Resource allocation method for multiple base stations and radio remote unit |
| PCT/CN2021/101748 WO2022236925A1 (en) | 2021-05-08 | 2021-06-23 | Multi-base station resource allocation method and radio remote unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110498803.4A CN113301575B (en) | 2021-05-08 | 2021-05-08 | Resource allocation method for multiple base stations and radio remote unit |
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| CN116955996A (en) * | 2023-09-15 | 2023-10-27 | 北京光函数科技有限公司 | Cloud edge collaborative intelligent reasoning method and system based on cloud wireless access network |
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| WO2022236925A1 (en) | 2022-11-17 |
| CN113301575B (en) | 2023-03-24 |
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