CN112235773B - Direct communication method based on 5G D2D technology - Google Patents
Direct communication method based on 5G D2D technology Download PDFInfo
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- CN112235773B CN112235773B CN202011202139.6A CN202011202139A CN112235773B CN 112235773 B CN112235773 B CN 112235773B CN 202011202139 A CN202011202139 A CN 202011202139A CN 112235773 B CN112235773 B CN 112235773B
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- terminal
- control access
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- direct communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/02—Access restriction performed under specific conditions
- H04W48/04—Access restriction performed under specific conditions based on user or terminal location or mobility data, e.g. moving direction, speed
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides a direct communication method based on a 5G D2D technology, which comprises the following steps: s10, the D2D terminal initiating the service request adds the service type identifier to be requested into the D2D discovery signal for transmission; s20, monitoring surrounding D2D discovery signals in real time by the D2D terminal, and analyzing service type identifiers; s30, the monitoring D2D terminal retrieves the corresponding control access grade from the control access grade table according to the current time, the current geographic position and the service type; s40, the monitoring D2D terminal judges whether the control access grade accords with the control access strategy corresponding to the monitoring D2D terminal according to the search result, if so, the step S50 is carried out, and if not, the step S60 is carried out; s50, monitoring that the D2D terminal allows the D2D direct communication to be initiated; s60, the monitoring D2D terminal prohibits the initiation of D2D direct communication. The D2D direct communication aiming at the D2D service type is controlled and managed, the safety is improved, the user experience is increased, and a specific control access strategy can be set by a user and can be dynamically learned.
Description
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a direct communication method based on a 5G D2D technology.
Background
The 5g d2d (Device-to-Device) terminal direct communication technology refers to that a neighboring terminal can perform data transmission in a close range through a direct communication mode without forwarding through a base station. The D2D technology has advantages of improving the use efficiency of radio resources and expanding network coverage due to its short distance and straight-through, so that a great deal of research is performed in 5G construction, and the future D2D technology will be applied to more scenes. The 5g d2d technology can be applied to hybrid networking where there are two modes of operation: 1. a conventional cellular communication mode; through mode between d2d terminals. In a hybrid networking network, the terminal necessarily has a problem of selecting a communication mode, that is, a problem of what communication mode the terminal should select to realize transmission of service data in what condition. In addition, in the D2D communication technology, as long as D2D terminals find each other, direct communication can be completed, and services such as advertisement and notification can be frequently pushed to the D2D terminals, which causes interference to users, and also has security problems. Therefore, the problems of mode switching selection, safety, user experience and the like of multiple scenes in D2D communication are worthy of extensive research.
In summary, a method for D2D direct communication with targeted control management setting according to service types is proposed to overcome the above-mentioned problems.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a direct communication method based on a 5g D2D technology, which aims to solve the problem that the mutual discovery between D2D terminals in the D2D communication technology in the prior art is unrestricted, resulting in poor user experience.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the direct communication method based on the 5G D2D technology is characterized by comprising the following steps of:
s10, the D2D terminal initiating the service request adds the service type identifier to be requested into the D2D discovery signal for transmission;
s20, monitoring surrounding D2D discovery signals in real time by the D2D terminal, and analyzing service type identifiers;
s30, the monitoring D2D terminal retrieves the corresponding control access grade from the control access grade table according to the current time, the current geographic position and the service type;
s40, the monitoring D2D terminal judges whether the control access grade accords with the control access strategy corresponding to the monitoring D2D terminal according to the search result, if so, the step S50 is carried out, and if not, the step S60 is carried out;
s50, monitoring that the D2D terminal allows the D2D direct communication to be initiated;
s60, the monitoring D2D terminal prohibits the initiation of D2D direct communication.
Preferably, before step S10, the method further comprises:
s101, a D2D terminal initiating a service request defines different service types for D2D communication services to be performed.
Preferably, the control level table in step S30 is a preset or default setting.
Preferably, the control level table dynamically learns and updates according to the manual setting habit of the user or the statistical user characteristic.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a direct communication method based on a 5G D2D technology, which comprises the following steps: s10, the D2D terminal initiating the service request adds the service type identifier to be requested into the D2D discovery signal for transmission; s20, monitoring surrounding D2D discovery signals in real time by the D2D terminal, and analyzing service type identifiers; s30, the monitoring D2D terminal retrieves the corresponding control access grade from the control access grade table according to the current time, the current geographic position and the service type; s40, the monitoring D2D terminal judges whether the control access grade accords with the control access strategy corresponding to the monitoring D2D terminal according to the search result, if so, the step S50 is carried out, and if not, the step S60 is carried out; s50, monitoring that the D2D terminal allows the D2D direct communication to be initiated; s60, the monitoring D2D terminal prohibits the initiation of D2D direct communication. Dividing the D2D communication service types, adding field identification of the service types in discovery signals of the D2D terminal, setting different control grades by the D2D terminal in a specific time period and a corresponding physical position range according to different service types, and allowing D2D discovery and direct communication only by the D2D terminal of the corresponding service types meeting the terminal control access strategy requirement. The D2D direct communication aiming at the D2D service type is controlled and managed, the safety is improved, the user experience is increased, and a specific control access strategy can be set by a user and can be dynamically learned.
Drawings
Fig. 1 is a flow chart of a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and more specific, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, the direct communication method based on the 5g d2d technology provided by the invention is characterized by comprising the following steps:
s10, the D2D terminal initiating the service request adds the service type identifier to be requested into the D2D discovery signal for transmission;
s20, monitoring surrounding D2D discovery signals in real time by the D2D terminal, and analyzing service type identifiers;
s30, the monitoring D2D terminal retrieves the corresponding control access grade from the control access grade table according to the current time, the current geographic position and the service type;
s40, the monitoring D2D terminal judges whether the control access grade accords with the control access strategy corresponding to the monitoring D2D terminal according to the search result, if so, the step S50 is carried out, and if not, the step S60 is carried out;
s50, monitoring that the D2D terminal allows the D2D direct communication to be initiated;
s60, the monitoring D2D terminal prohibits the initiation of D2D direct communication.
Specifically, a field identifier of a service type is set in a discovery signal of D2D, when a D2D terminal initiating a service request performs the service request, a current service type is added to the discovery signal of D2D, the monitoring D2D terminal monitors that the discovery signal can analyze the service type identifier, determines a specific D2D service type according to the service type identifier, records the time and the geographic position at the moment, and then searches whether a control access class to which the service type belongs meets the D2D control access policy requirement of the terminal according to the D2D control access class setting, if the requirement is met, D2D direct communication is allowed to be initiated, otherwise direct communication is refused. Therefore, the D2D direct communication is performed in different service types, different time periods and different places in a personalized way, the user experience is improved, and interference caused by limitless pushing of notifications or advertisements to the user is avoided.
In some embodiments, before step S10, further comprising:
s101, a D2D terminal initiating a service request defines different service types for D2D communication services to be performed. For example, meaning classification marking is performed on advertisement service, game service, television service, notification service, emergency help service and the like, and when a D2D terminal initiating a service request transmits a discovery signal, the corresponding marking is performed on the current service type.
In some embodiments, the control level table described in step S30 is a pre-custom setting or a default setting. The control level table comprises a time period, a geographic position, a service type, a control access level and a control access policy, and is set by user definition or the terminal can provide default setting, wherein the geographic position is recorded according to longitude and latitude, but the geographic position is monitored in a specific threshold range during actual calculation; the service type distance is described below, and the specific service type and identification field can select standardized content, and the basis for controlling access class setting is determined according to the safety, applicability and importance characteristics of each service type in the corresponding time period and the corresponding geographic position. If the emergency service belongs to the special emergency service, the access grade is highest and is set to be 1; office business is applicable and important for the company, so the security level is higher and is set to be 2; however, for at home, the applicability and importance level of office business may be lowered, for example, the security level is set to 5 at home; and so on. Wherein the smaller the value, the higher the control access class. Wherein the control access policy may be set by the user, determined by the security and applicable and important characteristics at the corresponding time period and the corresponding geographical location. The following table
In some embodiments, the control level table is dynamically updated according to user manual setting habits or statistical user characteristics. For example, a dynamic learning module is added into the terminal to monitor the setting habit of the user or count the characteristics of the user, and the control level table is automatically dynamically learned and updated to better accord with the living habit of the user.
In summary, the working principle of the invention is as follows:
the invention provides a direct communication method based on a 5G D2D technology, which comprises the following steps: s10, the D2D terminal initiating the service request adds the service type identifier to be requested into the D2D discovery signal for transmission; s20, monitoring surrounding D2D discovery signals in real time by the D2D terminal, and analyzing service type identifiers; s30, the monitoring D2D terminal retrieves the corresponding control access grade from the control access grade table according to the current time, the current geographic position and the service type; s40, the monitoring D2D terminal judges whether the control access grade accords with the control access strategy corresponding to the monitoring D2D terminal according to the search result, if so, the step S50 is carried out, and if not, the step S60 is carried out; s50, monitoring that the D2D terminal allows the D2D direct communication to be initiated; s60, the monitoring D2D terminal prohibits the initiation of D2D direct communication. Dividing the D2D communication service types, adding field identification of the service types in discovery signals of the D2D terminal, setting different control grades by the D2D terminal in a specific time period and a corresponding physical position range according to different service types, and allowing D2D discovery and direct communication only by the D2D terminal of the corresponding service types meeting the terminal control access strategy requirement. The D2D direct communication aiming at the D2D service type is controlled and managed, the safety is improved, the user experience is increased, and a specific control access strategy can be set by a user and can be dynamically learned.
It will be understood that equivalents and modifications will occur to those skilled in the art in light of the present invention and their spirit, and all such modifications and substitutions are intended to be included within the scope of the present invention as defined in the following claims.
Claims (4)
1. The direct communication method based on the 5G D2D technology is characterized by comprising the following steps of:
s10, the D2D terminal initiating the service request adds the service type identifier to be requested into the D2D discovery signal for transmission;
s20, monitoring surrounding D2D discovery signals in real time by the D2D terminal, and analyzing service type identifiers;
s30, the monitoring D2D terminal retrieves a corresponding control access grade from a control access grade table according to the current time, the current geographic position and the service type, wherein the control access grade table comprises a time period, the geographic position, the service type, the control access grade and a control access strategy;
s40, the monitoring D2D terminal judges whether the control access grade accords with the control access strategy corresponding to the monitoring D2D terminal according to the search result, if so, the step S50 is carried out, and if not, the step S60 is carried out;
s50, monitoring that the D2D terminal allows the D2D direct communication to be initiated;
s60, the monitoring D2D terminal prohibits the initiation of D2D direct communication.
2. The direct communication method based on the 5g d2d technology according to claim 1, further comprising, before step S10:
s101, a D2D terminal initiating a service request defines different service types for D2D communication services to be performed.
3. The direct communication method according to claim 1, wherein the control access class table in step S30 is a predefined or default setting in advance.
4. The direct communication method based on the 5g d2d technology according to claim 3, wherein the control access class table performs dynamic learning update according to a user's manual setting habit or statistical user characteristics.
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| CN202011202139.6A CN112235773B (en) | 2020-11-02 | 2020-11-02 | Direct communication method based on 5G D2D technology |
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| CN202011202139.6A CN112235773B (en) | 2020-11-02 | 2020-11-02 | Direct communication method based on 5G D2D technology |
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| CN112235773B true CN112235773B (en) | 2023-09-01 |
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| CN104519592A (en) * | 2013-09-26 | 2015-04-15 | 中兴通讯股份有限公司 | Transmission method for device-to-device discovery signal, and user equipment |
| CN105188045A (en) * | 2015-09-08 | 2015-12-23 | 宇龙计算机通信科技(深圳)有限公司 | Vehicle communication D2D discovery method, device and terminal |
| WO2016173077A1 (en) * | 2015-04-27 | 2016-11-03 | 宇龙计算机通信科技(深圳)有限公司 | Method, apparatus and terminal for device discovery in terminal direct communication |
| CN111866817A (en) * | 2020-06-23 | 2020-10-30 | 广东以诺通讯有限公司 | D2D terminal mode communication selection method under 5G hybrid networking |
| CN111866816A (en) * | 2020-06-23 | 2020-10-30 | 广东以诺通讯有限公司 | D2D terminal mode communication selection method under 5G hybrid networking |
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2020
- 2020-11-02 CN CN202011202139.6A patent/CN112235773B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104519592A (en) * | 2013-09-26 | 2015-04-15 | 中兴通讯股份有限公司 | Transmission method for device-to-device discovery signal, and user equipment |
| WO2016173077A1 (en) * | 2015-04-27 | 2016-11-03 | 宇龙计算机通信科技(深圳)有限公司 | Method, apparatus and terminal for device discovery in terminal direct communication |
| CN105188045A (en) * | 2015-09-08 | 2015-12-23 | 宇龙计算机通信科技(深圳)有限公司 | Vehicle communication D2D discovery method, device and terminal |
| CN111866817A (en) * | 2020-06-23 | 2020-10-30 | 广东以诺通讯有限公司 | D2D terminal mode communication selection method under 5G hybrid networking |
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