CN115119212A

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Info

Publication number: CN115119212A
Application number: CN202110285740.4A
Authority: CN
Inventors: 李绥龙
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2022-09-27
Also published as: WO2022193730A1

Abstract

The embodiment of the specification discloses a method for allocating spectrum shared channel resources, which comprises the following steps: carrying out channel resource allocation according to a sharing strategy; finishing the resource allocation of the physical downlink control channel according to the channel allocation strategy; according to the service scheduling requirement, the time domain symbol and frequency domain resource occupation requirements of the physical downlink control channel are counted and output to a resource requirement counting module; and outputting the number of the time domain symbols occupied by the physical downlink control channel and the channel frequency domain resource according to the resource demand statistical result. The invention also provides a frequency spectrum shared channel resource allocation system, which can avoid the problem of low frequency spectrum utilization rate caused by insufficient rationality constraint of the PDCCH channel resource sharing strategy, achieve the effect of improving the frequency spectrum utilization rate, and improve the stability, the robustness and the like of frequency spectrum shared deployment.

Description

Spectrum shared channel resource allocation method, system and electronic equipment

Technical Field

The present disclosure relates to the field of wireless communications technologies, and in particular, to a method, a system, and an electronic device for cross-system spectrum sharing.

Background

Nowadays, lte (long Term evolution) occupies a Spectrum below 6 GHz and is deployed in large-scale commercial use, how to replan these "gold" frequency bands, further improve the utilization rate of Spectrum resources, and use the existing Spectrum to rapidly deploy nr (new radio) to meet the new technology introduction and brand promotion of operators, which brings new challenges to global network operators, and Dynamic Spectrum Sharing (DSS) is a solution that can be well provided to operators, but after the shared Spectrum is deployed, how to maximize the deployment of shared Spectrum resources as required becomes one of the current technical problems that need to be solved urgently.

Disclosure of Invention

Embodiments of the present description provide a method, a system, and an electronic device for allocating spectrum shared channel resources, which are capable of avoiding the problem of low spectrum utilization rate due to insufficient rationality constraint of a PDCCH channel resource sharing policy, achieving the effect of improving spectrum utilization rate, and improving stability and robustness of spectrum sharing deployment.

In order to solve the above technical problem, the embodiments of the present specification are implemented as follows:

in a first aspect, a method for allocating spectrum shared channel resources is provided, including the following steps:

carrying out channel resource allocation according to a sharing strategy;

finishing the resource allocation of the physical downlink control channel according to the channel allocation strategy;

according to the service scheduling requirement, the time domain symbol and frequency domain resource occupation requirements of the physical downlink control channel are counted and output to a resource requirement counting module;

and outputting the number of the time domain symbols occupied by the physical downlink control channel and the channel frequency domain resources according to the resource demand statistical result.

In a second aspect, a spectrum shared channel resource allocation system is provided, which includes a resource allocation module, a resource adaptation module, a resource demand statistics module, and a time-frequency resource decision module:

the resource allocation module is used for completing the resource allocation of a physical control format indicator channel and a physical downlink control channel according to a sharing strategy and completing the resource allocation processing of the physical downlink control of the NR system according to the resource allocation result of the LTE system of the sharing party;

the resource self-adaptive module is used for finishing the output of the resource self-adaptive distribution result of the physical downlink control channel according to the service requirement and the link condition;

the resource demand statistical module is used for finishing the output of the statistical information of the time-frequency resource occupation of the physical downlink control channel according to the service demand;

and the time-frequency resource judging module is used for finishing the output of the resource judgment occupation adjusting result of the physical downlink control channel of the LTE system and the NR system by combining a sharing strategy according to the output result of the resource demand counting module.

In a third aspect, an electronic device is provided, including:

a processor; and

a memory arranged to store computer executable instructions that, when executed, cause the processor to perform the operations of the first aspect.

In a fourth aspect, a computer-readable storage medium is provided, which stores one or more programs that, when executed by an electronic device including a plurality of application programs, cause the electronic device to perform the operations of the first aspect.

As can be seen from the technical solutions provided in the embodiments of the present specification, for how to maximize the meeting of the spectrum resource requirement between the systems as required in the process of deploying the spectrum sharing policy between the LTE and NR two systems, the present invention provides an allocation method for a time-frequency resource sharing policy of a Physical Downlink Control Channel (PDCCH), which is a key constraint factor of a Downlink Control Channel.

Drawings

In order to more clearly illustrate the embodiments of the present specification or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present specification, and for those skilled in the art, other drawings can be obtained according to the drawings without any creative effort.

Fig. 1 is a schematic diagram illustrating steps of a spectrum shared channel resource allocation method according to an embodiment of the present disclosure.

Fig. 2 is a schematic structural diagram of a spectrum shared channel resource allocation system according to an embodiment of the present specification.

Fig. 3 is a schematic structural diagram of an electronic device provided in an embodiment of the present specification.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present specification, the technical solutions in the embodiments of the present specification will be clearly and completely described below with reference to the drawings in the embodiments of the present specification, and it is obvious that the described embodiments are only a part of the embodiments of the present specification, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present specification without making any creative effort shall fall within the protection scope of the present specification.

Referring to fig. 1, a schematic diagram illustrating steps of a spectrum shared channel resource allocation method provided in an embodiment of the present specification, where the method may include the following steps:

step 101: and the LTE system completes channel resource allocation processing according to the sharing strategy.

Optionally, the LTE system completes the channel resource configuration processing according to the sharing policy, specifically including one or a combination of the following operations:

physical control format indicator channel configuration operation: the LTE system completes the PCFICH (Physical Control Format Indicator Channel) Channel resource configuration processing according to the sharing policy;

physical downlink control channel configuration operation: the LTE system completes PDCCH (Physical Downlink Control Channel) Channel resource allocation processing according to a sharing policy.

Step 102: and the NR system completes the time-frequency resource allocation processing of the physical downlink control channel corresponding to the NR system according to the channel allocation strategy of the LTE system.

Optionally, instep 102, when the NR system completes the time-frequency resource allocation processing of the physical downlink control channel corresponding to the NR system according to the channel allocation policy of the LTE system, the specific implementation is: and the NR system completes the time-frequency resource allocation processing of the PDCCH corresponding to the NR system according to the PCFICH channel and PDCCH channel allocation strategy of the LTE system.

Optionally, a multi-symbol PDCCH search space is configured for the NR system without exceeding the PDDCH search upper limit.

Instep 103, the NR and LTE systems respectively complete the statistics of the physical downlink control channel time domain symbol and frequency domain resource occupation requirements according to the requirements output by the uplink and downlink service scheduling adaptation module, and input the statistics to the resource requirement statistics module.

Further, the following three ways can be specifically adopted to output the special requirement statistics to the resource requirement statistics module:

the first method is as follows:

and outputting special requirement statistics aiming at scheduling requirements of NR system basic common scheduling (SSB, RMSI, OSI and paging).

The second method comprises the following steps:

and outputting special requirement statistics aiming at the scheduling requirements of the NR uplink DCCH and the NR downlink DCCH.

The third method comprises the following steps:

and outputting special demand statistics aiming at RAR and RRC establishment type data.

Instep 104, the time-frequency resource adjustment module inputs the time-domain symbol number occupied by the PDCCH of the LTE system and the frequency-domain resource of the PDCCH channel of the NR system according to the result of the demand statistics module.

By the technical scheme, in the process of deploying the spectrum sharing strategy between the LTE system and the NR system, how to meet the demand of spectrum resources between the systems according to needs is maximized, the invention provides an allocation method aiming at a time-frequency resource sharing strategy of a PDCCH (Physical Downlink Control Channel), which is a key constraint factor of a Downlink Control Channel.

In the following, referring to fig. 2, a spectrum shared channel resource allocation system provided in an embodiment of the present disclosure is described, where the spectrum shared channel resource allocation system may include: the resource allocation module 10, the resource self-adapting module 20, the resource demand statistic module 30, and the time-frequency resource decision module 40. In fact, the spectrum shared channel resource allocation system is not limited to include the above modules, and may also include other functional modules for assisting in implementing channel resource allocation, which are not described herein one by one.

< resource allocation Module >

The resource configuration module 10 is configured to complete resource configuration of the PCFICH channel and the PDCCH channel by the LTE system according to a sharing policy; and the NR system completes the PDCCH channel resource allocation processing of the NR system according to the resource allocation result of the LTE system participating in the sharing.

< resource Adaptation Module >

The resource adaptation module 20 is used for the LTE system and the NR system to complete adaptive allocation result output of PDCCH resources according to respective service requirements and link conditions.

< resource requirement statistic Module >

The resource requirement statistic module 30 is used for the LTE system and the NR system to complete the PDCCH time-frequency resource occupation statistic information output according to their respective service requirements.

< time-frequency resource decision Module >

The time-frequency resource judgment module 40 is configured to complete output of PDCCH resource judgment occupation adjustment results of the LTE system and the NR system in combination with a sharing policy according to the result output by the resource requirement statistics module.

Further, the time-frequency resource decision module 40 may include at least one or a combination of the following units: a scheduling requirement output unit 401 and a data output unit 402, wherein,

the scheduling requirement output unit 401 is configured to output special requirement statistics for NR uplink and downlink DCCH scheduling requirements.

The data output unit 402 is used for outputting special demand statistics for the MSG2 and MSG4 type data.

By the technical scheme, in the process of deploying the spectrum sharing strategy between the LTE system and the NR system, how to meet the spectrum resource requirement between the systems according to the needs is maximized, the invention provides an allocation method aiming at a time-frequency resource sharing strategy of a Physical Downlink Control Channel (PDCCH), which is a key constraint factor of a Downlink Control Channel.

Fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. Referring to fig. 3, at a hardware level, the electronic device includes a processor, and optionally further includes an internal bus, a network interface, and a memory. The Memory may include a Memory, such as a Random-Access Memory (RAM), and may further include a non-volatile Memory, such as at least 1 disk Memory. Of course, the electronic device may also include hardware required for other services.

The processor, the network interface, and the memory may be connected to each other via an internal bus, which may be an ISA (Industry Standard Architecture) bus, a PCI (Peripheral Component Interconnect) bus, an EISA (Extended Industry Standard Architecture) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one double-headed arrow is shown in FIG. 3, but this does not indicate only one bus or one type of bus.

And the memory is used for storing programs. In particular, the program may include program code comprising computer operating instructions. The memory may include both memory and non-volatile storage and provides instructions and data to the processor.

The processor reads the corresponding computer program from the nonvolatile memory into the memory and then runs the computer program to form the shared resource access control device on the logic level. The processor is used for executing the program stored in the memory and is specifically used for executing the following operations:

carrying out channel resource allocation according to a sharing strategy;

according to the service scheduling requirement, counting the time domain symbol and frequency domain resource occupation requirements of the physical downlink control channel, and outputting the time domain symbol and frequency domain resource occupation requirements to a resource requirement counting module;

The method performed by the spectrum shared channel resource allocation system according to the embodiment shown in the drawings of the present specification can be applied to or implemented by a processor. The processor may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a processor or instructions in the form of software. The Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but also Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components. The various methods, steps and logic blocks disclosed in the embodiments of the present specification may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the embodiments of the present specification may be embodied directly in a hardware decoding processor, or in a combination of hardware and software modules in the decoding processor. The software modules may be located in ram, flash, rom, prom, or eprom, registers, etc. as is well known in the art. The storage medium is located in a memory, and a processor reads information in the memory and completes the steps of the method in combination with hardware of the processor.

The electronic device may further execute the method in the drawing, and implement the functions of the spectrum shared channel resource allocation system in the embodiment shown in the drawing, which is not described herein again in this specification.

Of course, besides the software implementation, the electronic device of the embodiment of the present specification does not exclude other implementations, such as logic devices or a combination of software and hardware, and the like, that is, the execution subject of the following processing flow is not limited to each logic unit, and may also be hardware or logic devices.

Embodiments of the present specification also propose a computer-readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by a portable electronic device comprising a plurality of application programs, are capable of causing the portable electronic device to perform the method of the embodiments shown in the drawings and in particular to perform the method of:

carrying out channel resource allocation according to a sharing strategy;

In short, the above description is only a preferred embodiment of the present disclosure, and is not intended to limit the scope of the present disclosure. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present specification shall be included in the protection scope of the present specification.

The systems, devices, modules or units illustrated in the above embodiments may be implemented by a computer chip or an entity, or by a product with certain functions. One typical implementation device is a computer. In particular, the computer may be, for example, a personal computer, a laptop computer, a cellular telephone, a camera phone, a smartphone, a personal digital assistant, a media player, a navigation device, an email device, a game console, a tablet computer, a wearable device, or a combination of any of these devices.

Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

All the embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

Claims

1. A method for allocating spectrum shared channel resources is characterized by comprising the following steps:

carrying out channel resource allocation according to a sharing strategy;

2. The method for spectrum shared channel resource allocation according to claim 1, wherein said step of performing channel resource allocation according to a sharing policy further comprises,

performing physical control format indication channel resource allocation according to a sharing strategy;

and carrying out physical downlink control channel resource allocation according to the sharing strategy.

3. The method for allocating spectrum shared channel resources according to claim 1, wherein said step of completing physical downlink control channel resource allocation according to a channel allocation policy further comprises,

and when the NR system does not exceed the searching upper limit of the physical downlink control channel, configuring a multi-symbol physical downlink control channel searching space.

4. The method for allocating spectrum shared channel resource according to claim 1, wherein the step of counting the time domain symbols and frequency domain resource occupation requirements of the physical downlink control channel according to the service scheduling requirements and outputting the time domain symbols and frequency domain resource occupation requirements to the resource requirement counting module further comprises,

outputting demand statistics for basic public scheduling demands of the NR system;

outputting demand statistics for uplink and downlink scheduling demands of the NR system;

and establishing LTE system type data and outputting demand statistics.

5. A spectrum shared channel resource allocation system is characterized by comprising a resource allocation module, a resource self-adaptive module, a resource demand statistic module and a time-frequency resource judgment module:

the resource allocation module is used for completing the resource allocation of a physical control format indicator channel and a physical downlink control channel according to a sharing strategy and completing the resource allocation processing of the physical downlink control of the NR system according to the resource allocation result of the LTE system of the participator;

6. The method for allocating spectrum shared channel resources according to claim 5, wherein the time-frequency resource decision module comprises: a scheduling requirement output unit and a data output unit, wherein,

the scheduling demand output unit is used for outputting special demand statistics to NR uplink and downlink scheduling demands;

and the data output unit is used for outputting special demand statistics to the LTE system type data.

7. An electronic device, comprising:

a processor; and

a memory arranged to store computer executable instructions that when executed cause the processor to perform the steps of the spectrum shared channel resource allocation method of any one of claims 1 to 4.

8. A computer readable storage medium storing one or more programs which, when executed by an electronic device comprising a plurality of application programs, cause the electronic device to perform the steps of the spectrum shared channel resource allocation method according to any one of claims 1-4.