CN112469057B - gNB base station communication control method and device based on D2D reliability - Google Patents

gNB base station communication control method and device based on D2D reliability Download PDF

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CN112469057B
CN112469057B CN202011359557.6A CN202011359557A CN112469057B CN 112469057 B CN112469057 B CN 112469057B CN 202011359557 A CN202011359557 A CN 202011359557A CN 112469057 B CN112469057 B CN 112469057B
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reliability
communication
data
base station
distance
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CN112469057A (en
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熊英
王江汉
鲁军
张晖
徐佩
孟宓
漆晓静
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Chongqing Telecommunication Polytechnic College
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0215—Traffic management, e.g. flow control or congestion control based on user or device properties, e.g. MTC-capable devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0226—Traffic management, e.g. flow control or congestion control based on location or mobility

Abstract

The application relates to the technical field of computers, and discloses a gNB base station communication control method based on D2D reliability. The method comprises the following steps: acquiring the distance between D2D communication terminals according to preset interval time; obtaining a reliability predicted value between D2D communication terminals according to the distance; determining a communication mode according to the reliability predicted value; and triggering the D2D communication terminal to communicate according to the communication mode. The method determines the communication mode of the D2D communication terminal in advance by the mode, can ensure the D2D communication to be stable as much as possible, and effectively avoids frequent switching of communication links. The application also discloses a gNB base station communication control device based on the D2D reliability.

Description

gNB base station communication control method and device based on D2D reliability
Technical Field
The present application relates to the field of communications technologies, and for example, to a method and an apparatus for controlling communications of a gbb base station based on D2D reliability.
Background
With the continuous development of mobile communication technology and the popularization of various communication devices, the number of mobile users is also rapidly increasing. In recent years, mass intelligent terminal devices are in an increasing situation, emerging communication services meeting specific requirements of users are in an outbreak situation, the contradiction between explosive growth of data traffic borne by mobile communication and shortage of wireless spectrum resources is increasing, and how to effectively increase network capacity, improve wireless spectrum utilization rate and improve terminal user experience in different communication modes becomes an irresistible task.
D2D (Device-to-Device) communication technology refers to a communication method in which two peer user nodes communicate directly with each other. Under the control of an LTE (Long Term Evolution) network system, it is allowed that end users in close positions can directly perform data communication without transferring through a base station. In D2D communication in the LTE network, the user needs to satisfy the corresponding conditions such as distance, limited interference to the main network, etc. to establish the D2D communication link for data transmission. When two terminals are far apart in D2D communication or other conditions may cause unstable D2D communication, the communication quality may be poor, and at this time, the prior art usually switches to the base station communication, and frequent communication link switching may not only increase communication energy consumption, but also affect the communication experience of the user, so a method capable of predetermining the communication mode between the D2D communication terminals is needed to reduce the communication link switching.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a gNB base station communication control method and device based on D2D reliability, so as to determine a communication mode of a D2D communication terminal.
In some embodiments, the method comprises:
acquiring the distance between D2D communication terminals according to preset interval time;
acquiring a reliability predicted value between D2D communication terminals according to the distance;
determining a communication mode according to the reliability predicted value;
and triggering the D2D communication terminal to communicate according to the communication mode.
In some embodiments, the apparatus comprises: comprising a processor and a memory storing program instructions, the processor being configured to, when executing the program instructions, perform the above-described gNB base station communication control method based on D2D reliability.
The gNB base station communication control method and device based on D2D reliability provided by the embodiment of the present disclosure can achieve the following technical effects: the D2D communication terminals communicate according to the communication mode by acquiring the distance between the D2D communication terminals according to the preset interval time, acquiring a reliability predicted value between the D2D communication terminals according to the distance between the D2D communication terminals, and determining the communication mode between the D2D communication terminals according to the reliability predicted value; by determining the communication mode of the D2D communication terminal in advance in such a way, the D2D communication can be ensured to be stable as much as possible, and frequent switching of communication links is effectively avoided.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
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One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
fig. 1 is a schematic diagram of a communications control method for a gbb base station based on D2D reliability according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of a gNB base station communication control apparatus based on D2D reliability according to an embodiment of the present disclosure.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The term "plurality" means two or more unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
With reference to fig. 1, an embodiment of the present disclosure provides a method for controlling communications of a gbb base station based on D2D reliability, including:
step S101, acquiring address information of communication terminals according to preset interval time and calculating to obtain the distance between D2D communication terminals;
step S102, obtaining a reliability predicted value between D2D communication terminals according to the distance;
step S103, determining a communication mode according to the reliability predicted value;
and step S104, triggering the D2D communication terminal to communicate according to the communication mode.
By adopting the gNB base station communication control method based on the D2D reliability, the distance between the D2D communication terminals is obtained according to the preset interval time, the reliability predicted value between the D2D communication terminals is obtained according to the distance between the D2D communication terminals, and the communication mode between the D2D communication terminals is determined according to the reliability predicted value, so that the D2D communication terminals communicate according to the communication mode; by determining the communication mode of the D2D communication terminal in advance in such a way, the D2D communication can be ensured to be stable as much as possible, and frequent switching of communication links is effectively avoided.
Optionally, determining a communication mode according to the reliability prediction value includes: under the condition that the reliability prediction value meets a first preset condition, determining the communication mode as base station communication; when the reliability prediction value satisfies a second preset condition, the communication method is determined as D2D communication.
Optionally, the triggering D2D communication terminal performs communication according to a communication method, including: under the condition that the reliability prediction value meets a first preset condition, the D2D communication terminal communicates through the base station; when the reliability prediction value satisfies a second preset condition, the D2D communication terminal performs D2D communication.
Optionally, the reliability prediction value satisfies a first preset condition, including: the reliability prediction value is greater than or equal to a first set threshold value. Optionally, the reliability prediction value satisfies a second preset condition, including: the reliability prediction value is greater than or equal to a second set threshold value.
Optionally, obtaining a reliability prediction value between the D2D communication terminals according to the distance includes:
sequencing the distances from first to last according to the acquisition time;
matching reliability data corresponding to the distance in a preset reliability data table;
calculating by using the reliability data through a first preset algorithm to obtain a reliability predicted value between D2D communication terminals;
the reliability data table includes a correspondence of distance to reliability data.
Optionally, the obtaining of the reliability prediction value between the D2D communication terminals by the first preset algorithm through calculation using the reliability data includes:
computing
Figure BDA0002803625560000041
Get alternative reliability prediction ykk, where KiFor the ith reliability data, KnFor the nth reliability data, KjFor the jth reliability data, Kj-1For the j-1 th reliability data, Kn-1The reliability data is the (n-1) th reliability data; n is the number of reliability data, n is an integer and n is more than or equal to 3; i is a positive integer and i is not less than n-1, j is a positive integer and j is not less than 2 and not more than n-1; alpha is a first predetermined weight and beta is a second predetermined weightWeight, 0<α<0.5，0<β<0.5；
The candidate reliability prediction value ykk is used as a reliability prediction value between D2D communication terminals.
Optionally, obtaining a reliability prediction value between the D2D communication terminals according to the distance includes:
acquiring the memory occupancy rate of the relay terminals among the D2D communication terminals;
sequencing the distances from first to last according to the acquisition time;
matching reliability data corresponding to the distance in a preset reliability data table;
calculating by using the reliability data and the memory occupancy rate through a second preset algorithm to obtain a reliability predicted value between the D2D communication terminals;
the reliability data table includes a correspondence of distance to reliability data.
Optionally, the obtaining of the reliability prediction value between the D2D communication terminals by using the reliability data and the memory occupancy through a second preset algorithm includes:
computing
Figure BDA0002803625560000051
Get alternative reliability prediction ykk, where KiFor the ith reliability data, KnFor the nth reliability data, KjFor the jth reliability data, Kj-1For the j-1 th reliability data, Kn-1The reliability data is the (n-1) th reliability data; n is the number of reliability data, n is an integer and n is more than or equal to 3; i is a positive integer and i is not less than n-1, j is a positive integer and j is not less than 2 and not more than n-1; alpha is a first predetermined weight, beta is a second predetermined weight, 0<α<0.5，0<β<0.5；
Calculating ZZY as lambda x ykk + lambda ' x ncl to obtain a reliability prediction value ZZY between the D2D communication terminals, wherein lambda is a third preset weight, lambda ' is a fourth preset weight, lambda >0 and lambda ' > 0; ncl is the memory occupancy rate of the relay terminals between the D2D communication terminals. Optionally, when there are multiple intermediate terminals between the D2D communication terminals, ncl is the average memory occupancy rate of each relay terminal between the D2D communication terminals.
By determining the communication mode of the D2D communication terminal in advance in the above mode, the influence of the distance on the communication is considered, and the memory occupancy rate of the D2D communication terminal is also considered, so that the stable communication of the D2D can be ensured as far as possible, and the frequent switching of the communication link is effectively avoided.
As shown in fig. 2, the present disclosure provides a gNB base station communication control apparatus based on D2D reliability, which includes a processor (processor)100 and a memory (memory) 101. Optionally, the apparatus may also include a Communication Interface (Communication Interface)102 and a bus 103. The processor 100, the communication interface 102, and the memory 101 may communicate with each other via a bus 103. The communication interface 102 may be used for information transfer. The processor 100 may call logic instructions in the memory 101 to execute the gbb base station communication control method based on D2D reliability of the above embodiment.
In addition, the logic instructions in the memory 101 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products.
The memory 101, which is a computer-readable storage medium, may be used for storing software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 100 executes functional applications and data processing by executing program instructions/modules stored in the memory 101, that is, implements the gbb base station communication control method based on the D2D reliability in the above embodiment.
The memory 101 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. In addition, the memory 101 may include a high-speed random access memory, and may also include a nonvolatile memory.
Optionally, the D2D communication terminal is a mobile phone, and of course, in other embodiments, the D2D communication terminal may also be a D2D smart terminal supporting cellular communication and D2D communication, such as a smart watch, a tablet computer, and the like.
By adopting the gNB base station communication control device based on the D2D reliability, the influence of the distance on the communication is considered, the memory occupancy rate of the D2D communication terminal is also considered, the D2D communication stability can be ensured as far as possible, and the frequent switching of the communication link is effectively avoided.
The disclosed embodiments provide a computer-readable storage medium storing computer-executable instructions configured to perform the aforementioned gNB base station communication control method based on D2D reliability.
The disclosed embodiments provide a computer program product comprising a computer program stored on a computer readable storage medium, the computer program comprising program instructions that, when executed by a computer, cause the computer to perform the above-described gNB base station communication control method based on D2D reliability.
The computer-readable storage medium described above may be a transitory computer-readable storage medium or a non-transitory computer-readable storage medium.
The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, which is stored in a storage medium and includes one or more instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes, and may also be a transient storage medium.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be merely a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

Claims (2)

1. A gNB base station communication control method based on D2D reliability is characterized by comprising the following steps:
acquiring the distance between D2D communication terminals according to preset interval time;
acquiring a reliability predicted value between D2D communication terminals according to the distance;
determining a communication mode according to the reliability predicted value;
triggering the D2D communication terminal to communicate according to the communication mode;
obtaining a reliability prediction value between D2D communication terminals according to the distance, wherein the reliability prediction value comprises the following steps:
matching reliability data corresponding to the distance in a preset reliability data table;
calculating by using the reliability data through a first preset algorithm to obtain a reliability predicted value between the D2D communication terminals;
the reliability data table comprises a corresponding relation between the distance and the reliability data;
obtaining a reliability predicted value between the D2D communication terminals by calculating through a first preset algorithm by using the reliability data, wherein the reliability predicted value comprises the following steps:
computing
Figure 160504DEST_PATH_IMAGE001
Obtaining alternative reliability prediction valuesykkWherein, in the step (A),K i is as followsiThe reliability data of the data is stored in a memory,K n is as followsnThe reliability data of the data is stored in a memory,K j is as followsjThe reliability data of the data is stored in a memory,K j-1is as followsj-1 piece of reliability data, wherein the reliability data comprises the reliability data,K n-1is as followsn-1 reliability datum;nin order to determine the number of reliability data,nis an integer andn≥3；iis a positive integer andi≤n-1，jis a positive integer of 2≤j≤n-1；αIs a first preset weight, and is a second preset weight,βis a second predetermined weight, 0<α<0.5，0<β<0.5；
Predicting the alternative reliability valuesykkAs a predicted value of reliability between the D2D communication terminals.
2. A device for controlling communications of a gNB base station based on D2D reliability, comprising a processor and a memory storing program instructions, wherein the processor is configured to execute the method for controlling communications of a gNB base station based on D2D reliability as claimed in claim 1 when the program instructions are executed.
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