CN112040454A - Dynamic selection method of D2D wireless resource sharing mode - Google Patents
Dynamic selection method of D2D wireless resource sharing mode Download PDFInfo
- Publication number
- CN112040454A CN112040454A CN202010766879.6A CN202010766879A CN112040454A CN 112040454 A CN112040454 A CN 112040454A CN 202010766879 A CN202010766879 A CN 202010766879A CN 112040454 A CN112040454 A CN 112040454A
- Authority
- CN
- China
- Prior art keywords
- communication
- resources
- resource
- orthogonal
- available
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010187 selection method Methods 0.000 title claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 57
- 238000001228 spectrum Methods 0.000 claims abstract description 25
- 230000000306 recurrent effect Effects 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 230000010267 cellular communication Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The basic principle of the dynamic selection method of the D2D wireless resource sharing mode is that a terminal receives a 5G base station and dynamically updates wireless resources which can be allocated to a D2D terminal for direct connection communication through system information, the terminal counts the condition of wireless link resources which can be allocated to the D2D terminal by the base station corresponding to each time period, the terminal calculates the evaluation scores of an orthogonal mode and a multiplexing mode through an internal scoring algorithm, and selects the sharing mode with high score for D2D data communication. The invention can realize the flexible switching of the D2D wireless resource sharing mode, reduce the burden on the system while ensuring the flexibility of the system, efficiently utilize wireless spectrum resources and improve the user experience.
Description
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a dynamic selection method for a D2D wireless resource sharing mode.
Background
5G D2D (Device-to-Device) terminal direct technology means that a nearby terminal can perform data transmission by direct communication in a short distance without forwarding through a base station. Due to the advantages of short distance and direct connection, the D2D technology can improve the use efficiency of wireless resources and expand the network coverage, so a great deal of research is obtained in the construction of 5G, the D2D technology can be applied to more scenes in the future, and the user experience is improved.
The wireless resources used by the 5GD2D communication technology are commonly available in two ways: 1. an orthogonal mode; 2 multiplexing mode. The orthogonal sharing of the cellular communication radio resources uses the unused cellular communication resources, and is suitable for the use in the case of idle radio resources; the multiplexing mode is to multiplex the authorized frequency band in a reasonable mode, efficiently utilize the wireless spectrum and is suitable for being used in a scene with higher wireless resource use. For 5G networks, how to select a sharing method of a radio resource band of a D2D communication terminal is a subject to be studied.
Disclosure of Invention
In order to overcome the above problems, the present invention provides a dynamic selection method for D2D wireless resource sharing mode, so as to solve the defects existing in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a dynamic selection method of a D2D wireless resource sharing mode, which comprises the following steps:
acquiring radio resources which are transmitted by a gNB base station and are available for D2D terminals to perform D2D communication, wherein the radio resources which are available for the D2D terminals to perform D2D communication at least comprise orthogonal spectrum resources which can be used for D2D communication and multiplexing spectrum resources which can be used for D2D communication;
establishing a D2D wireless resource scoring table;
scoring wireless resources available for the D2D terminal to communicate with the D2D;
and selecting a sharing mode with high grade for communication.
For the improvement of the invention, the score is calculated according to the orthogonal spectrum resources and the multiplexing spectrum resources of each time segment:
orthogonal resource scores P for D2D communicationsx
Px＝a*(rf1*B1+rf2*B2+…+rfn*Bn–Bo_th)
Wherein, a is an adjusting coefficient for adjusting the compensation of the orthogonal resource value;
rf1, rf2, … and rfn are orthogonal resource numbers which can be used for D2D communication in corresponding time periods;
B1，B2，…，Bnis DA bandwidth corresponding to an orthogonal resource for 2D communication;
Bo_this the minimum orthogonal resource threshold available for D2D normal communications;
recurrent resource score P for D2D communicationy
Py＝b*(rfa*Ba+rfb*Bb+…+rfn*Bx–Bm_th)
B is an adjusting coefficient for adjusting the numerical compensation of the multiplexing resources;
rfa, rfb, …, rfn are the number of multiplexing resources available for D2D communication for the corresponding time period;
Ba，Bb，…，Bxbandwidth corresponding to the multiplexing resource for D2D communication;
Bm_this the minimum reuse resource threshold available for D2D normal communications;
the minimum orthogonal resource threshold and the minimum repeated resource threshold can be acquired from the network experience value.
Compared with the prior art, the invention has the beneficial effects that:
the basic principle of the dynamic selection method of the D2D wireless resource sharing mode is that a terminal receives a 5G base station and dynamically updates wireless resources which can be allocated to a D2D terminal for direct connection communication through system information, the terminal counts the condition of wireless link resources which can be allocated to the D2D terminal by the base station corresponding to each time period, the terminal calculates the evaluation scores of an orthogonal mode and a multiplexing mode through an internal scoring algorithm, and selects the sharing mode with high score for D2D data communication. The invention can realize the flexible switching of the D2D wireless resource sharing mode, reduce the burden on the system while ensuring the flexibility of the system, efficiently utilize wireless spectrum resources and improve the user experience.
Drawings
Fig. 1 is a schematic block diagram of a flow of a dynamic selection method of a D2D radio resource sharing scheme according to the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 discloses a dynamic selection method of a D2D wireless resource sharing mode, which includes the following steps:
s10, acquiring radio resources, which are transmitted by a gNB base station and are available for D2D terminals to perform D2D communication, wherein the radio resources, which are available for the D2D terminals to perform D2D communication, at least comprise orthogonal spectrum resources available for D2D communication and multiplexing spectrum resources available for D2D communication;
s11, establishing a D2D wireless resource scoring table;
s12, scoring the wireless resources available for the D2D terminal to carry out D2D communication;
and S13, selecting a sharing mode with high score to carry out communication.
The 5G base station gNB sends the allocation condition of the wireless resources available for the D2D terminal to perform direct connection communication through the system message;
including spectrum resources available for orthogonal communications and spectrum resources available for multiplexing sharing;
after receiving the system message, the UE terminal records the situation of the D2D radio spectrum resource that can be provided by the corresponding gNB according to the corresponding time period;
calculating and grading by the UE in real time according to a grading algorithm;
and when the terminal wants to initiate D2D communication, selecting the mode with the highest score to carry out D2D communication according to the scores of the two sharing modes.
Therefore, the scheme of the invention mainly comprises three processes:
the 5G base station gNB sends wireless resources available for the D2D terminal to perform direct communication through system messages;
the UE establishes or updates a D2D wireless resource scoring table;
and calculating the scores in real time and selecting the sharing mode with the highest score for communication.
The 5G base station gNB sends the allocation condition of the wireless resources available for the D2D terminal to perform direct communication through a system message, wherein the allocation condition comprises the spectrum resources available for orthogonal sharing and the spectrum resources available for multiplexing sharing;
and the base station periodically issues system messages, and updates the wireless resource use condition of the cellular network and the frequency spectrum resource condition available for the D2D direct communication in real time. Through system message sending, the UE can complete system message receiving in an idle state without entering a connected state.
The system message needs to contain two contents:
orthogonal frequency spectrum resources rf1, rf2 and rf3 … which can be used for D2D communication, and the bandwidth which can be provided by each frequency spectrum; and
the multiplexed spectrum resources rfa, rfb, rfc … that can be used for D2D communications, and the bandwidth that each spectrum can provide.
After the UE receives the radio spectrum resource available for D2D communication from the system message in the idle state or the connected state, the UE establishes or updates a D2D radio resource scoring table in the local terminal, as follows. The table stores the 5G base station ID, the time period, and the D2D radio resources available to the UE and transmitted by the base station corresponding to the time period, including the available orthogonal resources and the available multiplexing resources.
After the score table is obtained, the UE is required to calculate the score P corresponding to each time period in real time according to a score algorithm.
The specific scoring algorithm may be:
orthogonal resource scores P for D2D communicationsx
Px＝a*(rf1*B1+rf2*B2+…+rfn*Bn–Bo_th)
Wherein, a is an adjusting coefficient for adjusting the compensation of the orthogonal resource value; an empirical value can be taken, and 1 is defaulted;
rf1, rf2, … and rfn are orthogonal resource numbers which can be used for D2D communication in corresponding time periods;
B1，B2，…，Bnbandwidth corresponding to orthogonal resources for D2D communication;
Bo_this the minimum orthogonal resource threshold available for D2D normal communications; the threshold value can be a net experience value;
recurrent resource score P for D2D communicationy
Py＝b*(rfa*Ba+rfb*Bb+…+rfn*Bx–Bm_th)
B is an adjusting coefficient for adjusting the numerical compensation of the multiplexing resources; an empirical value can be taken, and 1 is defaulted;
rfa, rfb, …, rfn are the number of multiplexing resources available for D2D communication for the corresponding time period;
Ba，Bb，…，Bxbandwidth corresponding to the multiplexing resource for D2D communication;
Bm_this the minimum reuse resource threshold available for D2D normal communications; the threshold may be a net empirical value.
And when the UE wants to initiate D2D communication, searching the corresponding record of the current resident gNB from the score table, acquiring the scores of the orthogonal resources and the multiplexing resources corresponding to the current time period, and selecting a mode with a large score as a shared resource mode used for the D2D communication.
The basic principle of the dynamic selection method of the D2D wireless resource sharing mode is that a terminal receives a 5G base station and dynamically updates wireless resources which can be allocated to a D2D terminal for direct connection communication through system information, the terminal counts the condition of wireless link resources which can be allocated to the D2D terminal by the base station corresponding to each time period, the terminal calculates the evaluation scores of an orthogonal mode and a multiplexing mode through an internal scoring algorithm, and selects the sharing mode with high score for D2D data communication. The invention can realize the flexible switching of the D2D wireless resource sharing mode, reduce the burden on the system while ensuring the flexibility of the system, efficiently utilize wireless spectrum resources and improve the user experience.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (2)
1. A dynamic selection method for a D2D wireless resource sharing mode is characterized by comprising the following steps:
acquiring radio resources which are transmitted by a gNB base station and are available for D2D terminals to perform D2D communication, wherein the radio resources which are available for the D2D terminals to perform D2D communication at least comprise orthogonal spectrum resources which can be used for D2D communication and multiplexing spectrum resources which can be used for D2D communication;
establishing a D2D wireless resource scoring table;
scoring wireless resources available for the D2D terminal to communicate with the D2D;
and selecting a sharing mode with high grade for communication.
2. The dynamic selection method of claim 1, wherein the score is calculated based on the orthogonal spectrum resources and the multiplexed spectrum resources for each time segment:
orthogonal resource scores P for D2D communicationsx
Px＝a*(rf1*B1+rf2*B2+…+rfn*Bn–Bo_th)
Wherein, a is an adjusting coefficient for adjusting the compensation of the orthogonal resource value;
rf1, rf2, … and rfn are orthogonal resource numbers which can be used for D2D communication in corresponding time periods;
B1，B2，…，Bnbandwidth corresponding to orthogonal resources for D2D communication;
Bo_this the minimum orthogonal resource threshold available for D2D normal communications;
recurrent resource score P for D2D communicationy
Py＝b*(rfa*Ba+rfb*Bb+…+rfn*Bx–Bm_th)
B is an adjusting coefficient for adjusting the numerical compensation of the multiplexing resources;
rfa, rfb, …, rfn are the number of multiplexing resources available for D2D communication for the corresponding time period;
Ba，Bb，…，Bxbandwidth corresponding to the multiplexing resource for D2D communication;
Bm_this the minimum reuse resource threshold available for D2D normal communications;
the minimum orthogonal resource threshold and the minimum repeated resource threshold can be acquired from the network experience value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010766879.6A CN112040454A (en) | 2020-08-03 | 2020-08-03 | Dynamic selection method of D2D wireless resource sharing mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010766879.6A CN112040454A (en) | 2020-08-03 | 2020-08-03 | Dynamic selection method of D2D wireless resource sharing mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112040454A true CN112040454A (en) | 2020-12-04 |
Family
ID=73583780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010766879.6A Pending CN112040454A (en) | 2020-08-03 | 2020-08-03 | Dynamic selection method of D2D wireless resource sharing mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112040454A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244873A (en) * | 2011-08-26 | 2011-11-16 | 北京邮电大学 | Method for selecting resource multiplexing modes for D2D (Device-to-Device) user pair and cellular user based on position of D2D user pair |
| CN104284436A (en) * | 2013-07-04 | 2015-01-14 | 华为技术有限公司 | Method for determining UE communication mode, base station and UE |
| US20150156806A1 (en) * | 2013-12-02 | 2015-06-04 | Innovative Sonic Corporation | Method and apparatus for supporting device-to-device (d2d) communication in a wireless communication system |
| CN105636213A (en) * | 2015-12-30 | 2016-06-01 | 哈尔滨工业大学 | Heterogeneous C-RAN network and D2D communication mode selection and resource scheduling combined optimization method in network |
| US20170230918A1 (en) * | 2014-08-01 | 2017-08-10 | Samsung Electronics Co., Ltd. | Method and device for controlling transmission power of terminal in d2d communication |
| CN107071914A (en) * | 2017-04-19 | 2017-08-18 | 西安交通大学 | Dynamic mode selection and energy distributing method in a kind of energy capture D2D networks |
-
2020
- 2020-08-03 CN CN202010766879.6A patent/CN112040454A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244873A (en) * | 2011-08-26 | 2011-11-16 | 北京邮电大学 | Method for selecting resource multiplexing modes for D2D (Device-to-Device) user pair and cellular user based on position of D2D user pair |
| CN104284436A (en) * | 2013-07-04 | 2015-01-14 | 华为技术有限公司 | Method for determining UE communication mode, base station and UE |
| US20150156806A1 (en) * | 2013-12-02 | 2015-06-04 | Innovative Sonic Corporation | Method and apparatus for supporting device-to-device (d2d) communication in a wireless communication system |
| US20170230918A1 (en) * | 2014-08-01 | 2017-08-10 | Samsung Electronics Co., Ltd. | Method and device for controlling transmission power of terminal in d2d communication |
| CN105636213A (en) * | 2015-12-30 | 2016-06-01 | 哈尔滨工业大学 | Heterogeneous C-RAN network and D2D communication mode selection and resource scheduling combined optimization method in network |
| CN107071914A (en) * | 2017-04-19 | 2017-08-18 | 西安交通大学 | Dynamic mode selection and energy distributing method in a kind of energy capture D2D networks |
Non-Patent Citations (1)
| Title |
|---|
| 杨金玲: "D2D通信中的资源分配问题", 《科技资讯》, pages 3 - 7 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110572838B (en) | Communication method, terminal equipment and network side equipment | |
| CN104954975B (en) | The D2D collaboration communication method of collection of energy is carried out in OFDM cellular network | |
| US20230069882A1 (en) | Method for configuring sidelink feedback resource, terminal device, and network device | |
| JP2021513240A (en) | Information transmission method and equipment | |
| US10856223B2 (en) | Method of, and transceiver station and mobile terminal for, distributing system information in a cellular telecommunications network | |
| KR101975195B1 (en) | Base station and method connecting user equipment thereof | |
| CN1997217B (en) | Resource management method and switching method of the wireless mobile communication system | |
| CN111867084B (en) | PRACH resource allocation and indication allocation method, device and equipment | |
| CN104105158A (en) | Relay selection method based on D2D relay communication | |
| EP2946631A2 (en) | Network-assisted ue detection in direct mode ue-to-ue communication | |
| CN108307528A (en) | A kind of information transferring method, apparatus and system | |
| CN108668366A (en) | Method for transmitting signals and equipment | |
| CN110601809A (en) | Information sending method and device and information receiving method and device | |
| CN103379502B (en) | The frequency spectrum resource allocation method of D2D technology is introduced in a kind of cellular network | |
| CN107734590A (en) | A kind of phone user's sub-clustering communication means, system and eNodeB, terminal | |
| CN107249205B (en) | A kind of resource allocation methods, device and user terminal | |
| JP2015510726A (en) | Wireless communication cover method and system | |
| CN109845312B (en) | Data transmission method and device, computer equipment and system | |
| CN103202079A (en) | User grouping method and apparatus | |
| US20050113023A1 (en) | Method of managing communications in a network and the corresponding signal, transmitting device and destination terminal | |
| CN111148205A (en) | Method and device for determining transmission power | |
| CN110268739B (en) | Access control method, device and readable storage medium | |
| CN103491519A (en) | Charging method and device under hybrid network | |
| CN106792428A (en) | Base station, closely business function entity and communication resource distribution, dispatching method | |
| CN106792429A (en) | User equipment, base station and closely business unicast communication, resource regulating method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |