CN113395083B - Automatic millisecond-level low-delay equipment for distribution network based on 5G network - Google Patents
Automatic millisecond-level low-delay equipment for distribution network based on 5G network Download PDFInfo
- Publication number
- CN113395083B CN113395083B CN202110702522.6A CN202110702522A CN113395083B CN 113395083 B CN113395083 B CN 113395083B CN 202110702522 A CN202110702522 A CN 202110702522A CN 113395083 B CN113395083 B CN 113395083B
- Authority
- CN
- China
- Prior art keywords
- low
- network
- connection port
- time delay
- delay
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention belongs to the technical field, and particularly relates to distribution network automatic millisecond-level low-delay equipment based on a 5G network, wherein a multi-access frequency spectrum is acquired through single carrier frequency SC-FDMA through a high frequency spectrum, meanwhile, a scheduling unit TTI is transmitted through LTE, the stability can be effectively improved through adopting a single-layer structure of NodeB through LTE, an SC-FDMA signal is transmitted through a transmitting terminal, the short-time dynamic scheduling unit TTI is distributed, the scheduling unit TTI less than or equal to 1ms can be effectively introduced, the transmission is carried out through URLLC, data connection is carried out through an orthogonal frequency OFDM connection port arranged on the upper front surface of an equipment outer shell and a core network connection port, the time delay time of LTE is reduced through UTRAN scheduling distribution, and the effect of low delay is effectively achieved.
Description
Technical Field
The invention belongs to the technical field, and particularly relates to distribution network automatic millisecond-level low-delay equipment based on a 5G network.
Background
The millisecond-level research of the 5G network is still in the initial theoretical research stage, although a shorter transmission time slot is introduced, the foundation is laid for the transmission quality guarantee of the low-delay high-reliability service, but some defects exist in the aspects of resource utilization rate, multi-service compatibility expandability and the like. Therefore, the power service characteristics and the application scene are optimized, and the service quality of the key service is guaranteed.
However, the existing 5G network has a delay in the process of distribution, which further affects the operation precision of the device in the application process, and thus an automatic millisecond-level low-delay method for distribution of the 5G network is required to optimize the delay.
Disclosure of Invention
The invention aims to provide a distribution network automatic millisecond-level low-delay device based on a 5G network, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a distribution network automatic millisecond low-delay device based on a 5G network comprises a distribution network automatic millisecond low-delay method of the 5G network and a distribution network automatic millisecond low-delay device of the 5G network, wherein in the distribution network automatic millisecond low-delay method of the 5G network, (i) a wireless network OFDMA is accessed to a core network UTRAN through a wiring port to perform evolution and construct high speed, frequency selective fading of high-speed network signals in a wireless transmission environment is resisted through orthogonal frequency OFDM, and a high frequency spectrum is obtained, (ii) the high frequency spectrum is obtained through a single carrier frequency SC-FDMA, a multi-access frequency spectrum is obtained, meanwhile, a scheduling unit TTI is transmitted through the LTE, is defined as 1ms, short-time dynamic scheduling unit TTI is distributed, a scheduling unit TTI smaller than or equal to 1ms is introduced, the scheduling unit TTI is transmitted through a URLLC, the time of the scheduling unit TTI is reduced, the time delay time of the LTE is reduced, and the low-delay time division code of the LTE is accessed to a CDMA access port, and a frequency modulation period of a UMTS receiver is obtained.
In a preferred embodiment, the "LTE" adopts a "NodeB" single-layer structure, and transmits an "SC-FDMA" signal through a transmitting terminal.
In a preferred embodiment, the OFDMA is spread by Multiple Carriers (MC) -WCDMA and MC-TD-SCDMA orthogonal frequency (DFT-SOFDM).
As a preferred embodiment, the "(DFT-SOFDM)" is by "quadrature amplitude modulation QAM", and in 16QAM and 64QAM, the subcarriers send 4 and 6 bits, respectively.
As a preferred embodiment, after the "OFDMA" modulation, the signal vector DMA = F × K × T × N, SD, where TN, S represents a mapping matrix of subcarriers, the elements are distributed to express subcarriers, and F × K is a K-point IFFT matrix.
The utility model provides a join in marriage net differential millisecond level low delay equipment based on 5G network, still includes 5G network joins in marriage automatic millisecond level low delay equipment of net includes the equipment shell body, the internal surface of equipment shell body is provided with low delay circuit board, be provided with low delay port subassembly on the low delay circuit board, low delay port subassembly includes quadrature frequency OFDM connecting port, core net UTRAN connecting port, URLLC data output end, the upside front surface of equipment shell body is provided with quadrature frequency OFDM connecting port, the downside front surface of equipment shell body sets up core net UTRAN connecting port, the rear surface of equipment shell body sets up URLLC data output end, the front surface of low delay circuit board is provided with the single carrier frequency ware, the single carrier frequency ware is connected with low delay scheduler circuit, the front surface circuit of low delay circuit board is connected with the high frequency register, the high frequency register is connected with QAM amplitude modulator circuit.
As a preferred embodiment, the orthogonal frequency OFDM connection port, the core network UTRAN connection port, and the URLLC data output terminal are all connected to a low-latency circuit board circuit.
In a preferred embodiment, the QAM amplitude modulator circuit is connected to the upper surface of the low-latency circuit board, and a dust screen is bolted to the rear surface of the device housing.
In a preferred embodiment, the outer surface of the dust screen is bolted with a dust fastening chuck.
Compared with the prior art, the invention has the beneficial effects that:
the data connection is carried out through the orthogonal frequency OFDM connection port arranged on the front surface of the upper side of the device outer shell and the UTRAN connection port of the core network, the high frequency spectrum obtains a multi-access frequency spectrum through single carrier frequency SC-FDMA, meanwhile, the scheduling unit TTI is transmitted through the LTE, the stability can be effectively improved through the NodeB single-layer structure adopted by the LTE, an SC-FDMA signal is transmitted through a transmitting terminal, the short-time dynamic scheduling unit TTI distribution is carried out, the scheduling unit TTI less than or equal to 1ms can be effectively introduced, the transmission is carried out through the URLLC, the scheduling distribution is adopted, the scheduling delay TTI is reduced, the LTE time is shortened, and the low delay effect is effectively realized.
Drawings
FIG. 1 is a flow chart of the method of the present invention;
FIG. 2 is a schematic front view of the structure of the present invention;
FIG. 3 is a rear schematic view of the structure of the present invention;
FIG. 4 is an internal cross-sectional view of the structure of the present invention;
FIG. 5 is a front view of the structure of the present invention;
FIG. 6 is a rear view of the structure of the present invention;
FIG. 7 is a top view of the structure of the present invention;
in the figure: 1. an equipment enclosure; 2. a low latency circuit board; 3. a low latency port component; 31. an orthogonal frequency OFDM connection port; 32. a core network UTRAN connection port; 33. URLLC data output end; 4. a single carrier frequency modulator; 5. a low-latency scheduler; 6. a high-frequency spectrometer; 7. a QAM amplitude modulator; 8. a dust screen; 81. dustproof fastening dop.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.
Referring to fig. 1-7, the invention provides a distribution network automatic millisecond low-delay device based on a 5G network, which comprises a distribution network automatic millisecond low-delay method of the 5G network and a distribution network automatic millisecond low-delay device of the 5G network, in the distribution network automatic millisecond low-delay method of the 5G network, a wireless network OFDMA is accessed to a core network UTRAN through a connection port to perform evolution to construct a high rate, a network signal with the high rate is subjected to frequency selective fading in a wireless transmission environment through an orthogonal frequency OFDM to obtain a high frequency spectrum, the high frequency spectrum is subjected to single carrier frequency SC-FDMA to obtain a multiple access spectrum, a scheduling unit TTI is transmitted through an LTE and defined as 1ms, a short-time dynamic scheduling unit TTI is allocated, a scheduling unit TTI smaller than or equal to 1ms is introduced and transmitted through an llc, the scheduling unit TTI is allocated to further reduce the delay time of the scheduling unit, the low-delay LTE is accessed to a CDMA access port to obtain a frequency modulation of a UMTS receiver, and a frequency modulation of the UMTS receiver is reflected by the llc.
The LTE adopts a NodeB single-layer structure, and transmits an SC-FDMA signal through a transmitting terminal.
Wherein, the OFDMA is spread by multi-carrier (MC) -WCDMA and MC-TD-SCDMA in orthogonal frequency (DFT-SOFDM).
Wherein the "(DFT-SOFDM)" passes "quadrature amplitude modulation QAM", and the subcarriers transmit 4 and 6 bits in 16QAM and 64QAM, respectively.
After the OFDMA modulation, the signal vector DMA = F × K × T × N, SD, where TN, S represents a mapping matrix of subcarriers, elements are a distribution expressing subcarriers, and F × K is a K-point IFFT matrix.
The automatic millisecond-level low-delay equipment for the distribution network of the 5G network comprises an equipment outer shell 1, a low-delay circuit board 2 is arranged on the inner surface of the equipment outer shell 1, a low-delay port component 3 is arranged on the low-delay circuit board 2, the low-delay port component 3 comprises an orthogonal frequency OFDM connection port 31, a core network UTRAN connection port 32 and a URLLC data output end 33, the orthogonal frequency OFDM connection port 31 is arranged on the front surface of the upper side of the equipment outer shell 1, the core network UTRAN connection port 32 is arranged on the front surface of the lower side of the equipment outer shell 1, the URLLC data output end 33 is arranged on the rear surface of the equipment outer shell 1, a single carrier frequency modulator 4 is arranged on the front surface of the low-delay circuit board 2, the single carrier frequency modulator 4 is in circuit connection with a low-delay scheduler 5, a front surface circuit of the low-delay circuit board 2 is connected with a high-frequency spectrograph 6, and the high-frequency spectrograph 6 is in circuit connection with a QAM amplitude modulator 7.
The orthogonal frequency OFDM connection port 31, the core network UTRAN connection port 32, and the URLLC data output port 33 are all electrically connected to the low-latency circuit board 2, and data can be effectively interconnected and intercommunicated by electrically connecting the orthogonal frequency OFDM connection port 31, the core network UTRAN connection port 32, and the URLLC data output port 33 to the low-latency circuit board 2.
The QAM amplitude modulator 7 is connected to the upper surface of the low-delay circuit board 2 in a circuit mode, and the QAM amplitude can be effectively adjusted through the QAM amplitude modulator 7.
Wherein, the rear surface bolt fastening of equipment shell body 1 has dust screen 8, has dust screen 8 through the rear surface bolt fastening of equipment shell body 1 to carry out effectual dustproof.
Wherein, the outer surface bolt-up of dust screen 8 has dustproof fastening dop 81, and the outer surface bolt-up through dust screen 8 has dustproof fastening dop 81 can be effectual fixes dust screen 8.
The working principle and the using process of the invention are as follows: firstly, an orthogonal frequency OFDM connection port 31 and a core network UTRAN connection port 32 which are arranged on the upper front surface of an equipment outer shell 1 are connected for data, a wireless network OFDMA is accessed to a core network UTRAN through a wiring port to perform evolution construction for high speed, a high-speed network signal is subjected to frequency selective fading in a wireless transmission environment through the orthogonal frequency OFDM to obtain a high frequency spectrum, the high frequency spectrum is subjected to single carrier frequency SC-FDMA to obtain a multiple access frequency spectrum, meanwhile, a scheduling unit TTI is transmitted through the LTE and is defined as 1ms, the LTE adopts a single-layer structure of a NodeB, transmits an SC-FDMA signal through a transmitting terminal, performs short-time dynamic scheduling unit TTI distribution, introduces a scheduling unit TTI which is less than or equal to 1ms, accesses a low-delay LTE code to the multiple access port and performs transmitter and receiver reflection through the UMTS to obtain a frequency modulation low-cycle ' OFDMA ', performs transmission through the URUR ', and further reduces the time of the ' LLC ' delay through the scheduling unit TTI distribution.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a join in marriage net automatic millisecond level low time delay equipment based on 5G network which characterized in that: including equipment shell body (1), the internal surface of equipment shell body (1) is provided with low time delay circuit board (2), be provided with low time delay port subassembly (3) on low time delay circuit board (2), low time delay port subassembly (3) are including quadrature frequency OFDM connection port (31), core net UTRAN connection port (32), URLLC data output end (33), the upside front surface of equipment shell body (1) is provided with quadrature frequency OFDM connection port (31), the downside front surface of equipment shell body (1) sets up core net UTRAN connection port (32), the rear surface of equipment shell body (1) sets up URLLC data output end (33), the front surface of low time delay circuit board (2) is provided with single carrier frequency ware (4), single carrier frequency ware (4) and low time delay scheduler (5) circuit connection, the front surface circuit of low time delay circuit board (2) is connected with high frequency spectrum ware (6), high frequency spectrum ware (6) and QAM amplitude modulator (7) circuit connection, the rear surface bolt fastening of equipment shell body (1) has dust screen (8).
2. The distribution network automatic millisecond low-delay device based on the 5G network as claimed in claim 1, wherein: the orthogonal frequency OFDM connection port (31), the core network UTRAN connection port (32) and the URLLC data output end (33) are in circuit connection with a low-delay circuit board (2).
3. The distribution network automatic millisecond low-delay device based on the 5G network as claimed in claim 1, wherein: and a dustproof fastening chuck (81) is fastened on the outer surface of the dustproof net (8) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110702522.6A CN113395083B (en) | 2021-06-24 | 2021-06-24 | Automatic millisecond-level low-delay equipment for distribution network based on 5G network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110702522.6A CN113395083B (en) | 2021-06-24 | 2021-06-24 | Automatic millisecond-level low-delay equipment for distribution network based on 5G network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113395083A CN113395083A (en) | 2021-09-14 |
| CN113395083B true CN113395083B (en) | 2022-12-16 |
Family
ID=77623730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110702522.6A Active CN113395083B (en) | 2021-06-24 | 2021-06-24 | Automatic millisecond-level low-delay equipment for distribution network based on 5G network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113395083B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101675620A (en) * | 2007-04-30 | 2010-03-17 | 朗讯科技公司 | Method and apparatus for s ingle- carrier fdma based packet wireless telecommunications |
| CN108777857A (en) * | 2018-08-01 | 2018-11-09 | 北京邮电大学 | A kind of connection control method under URLLC and mMTC coexistence scenarios and system |
| CN109863802A (en) * | 2016-10-28 | 2019-06-07 | 高通股份有限公司 | Uplink transmission technology in low time delay wireless communication system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107046720B (en) * | 2016-02-06 | 2021-05-18 | 华为技术有限公司 | Low-delay service transmission method, related equipment and system |
| CN107333330B (en) * | 2016-04-29 | 2020-01-17 | 普天信息技术有限公司 | Communication control method and device under low-delay communication system |
| CN107666368B (en) * | 2016-07-29 | 2021-01-26 | 中国电信股份有限公司 | TTI dynamic adjustment method, base station, user terminal, equipment and system |
| US20190289478A1 (en) * | 2018-03-19 | 2019-09-19 | Qualcomm Incorporated | Physical downlink control channel (pdcch) reliability for ultra-reliability low latency communication (urllc) |
| US10833902B2 (en) * | 2018-09-21 | 2020-11-10 | Qualcomm Incorporated | Multi-radio access technology (multi-RAT) diversity for ultra-reliable low-latency communication (URLLC) |
| CN112770351B (en) * | 2019-10-21 | 2024-01-30 | 华为技术有限公司 | Communication method, device and system |
-
2021
- 2021-06-24 CN CN202110702522.6A patent/CN113395083B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101675620A (en) * | 2007-04-30 | 2010-03-17 | 朗讯科技公司 | Method and apparatus for s ingle- carrier fdma based packet wireless telecommunications |
| CN109863802A (en) * | 2016-10-28 | 2019-06-07 | 高通股份有限公司 | Uplink transmission technology in low time delay wireless communication system |
| CN108777857A (en) * | 2018-08-01 | 2018-11-09 | 北京邮电大学 | A kind of connection control method under URLLC and mMTC coexistence scenarios and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113395083A (en) | 2021-09-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2909961B1 (en) | Communication of control information and data in frames | |
| CN102843695B (en) | Method and device for allocating CRS (Cell Reference Signal) | |
| EP2260663A1 (en) | Drx functionality in multi-carrier wireless networks | |
| CN106487415A (en) | A kind of RF front-end circuit and communication terminal | |
| CN110557178A (en) | indication method of antenna configuration, base station, terminal and computer storage medium | |
| CN105979545A (en) | LTE-Advanced air interface technology analysis device based on 8 channel carrier wave polymerization | |
| CN105306403A (en) | Method and system for reducing peak-to-average ratio of transmitting signal of OFDM system | |
| CN103379071B (en) | Distributed base station reduces method and the radio frequency remoto module of transmitting uplink data bandwidth | |
| CN108540271A (en) | A kind of Alamouti transmission methods, wireless communication system suitable for FBMC/OQAM | |
| CN107819490A (en) | A kind of pulse ultra-broad band Terahertz receives and dispatches framework | |
| CN202083795U (en) | Radar data acquisition card based on CPCI (compact peripheral component interconnect) | |
| CN113395083B (en) | Automatic millisecond-level low-delay equipment for distribution network based on 5G network | |
| CN104954033B (en) | A kind of speed automatic gain for ofdm system controls circuit and method | |
| CN103607223A (en) | Embedded type broadband power line carrier communication system based on OFDM modulation | |
| CN112804177B (en) | OFDM time domain windowing method and device | |
| WO2013056550A1 (en) | Peak clipping device and mobile communication system | |
| CN108512788B (en) | PCM module based on noise shaping for digital mobile forward link | |
| Wu et al. | GRT-duplex: A novel SDR platform for full-duplex WiFi | |
| Yan et al. | Implementation of an OFDM underwater acoustic communication system on an underwater vehicle with multiprocessor structure | |
| CN206461656U (en) | A kind of time-domain equalizer based on MIMO | |
| CN204145491U (en) | A kind of network data Integrated Service Digital Network transmitter | |
| CN112956244B (en) | Power consumption control method of terminal and related equipment | |
| CN219695690U (en) | Medical image transmission equipment based on 5G network | |
| CN210351677U (en) | Thing networking wisdom energy gateway | |
| CN106357572A (en) | Wireless communication system and method based on interference alignment technology |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 050000 No.10 Fuqiang street, Yuhua District, Shijiazhuang City, Hebei Province Patentee after: STATE GRID HEBEI INFORMATION & TELECOMMUNICATION BRANCH Patentee after: STATE GRID CORPORATION OF CHINA Address before: 050000 No.10 Fuqiang street, Yuhua District, Shijiazhuang City, Hebei Province Patentee before: INFORMATION & TELECOMMUNICATION BRANCH OF STATE GRID HEBEI ELECTRIC POWER CO. Patentee before: STATE GRID CORPORATION OF CHINA |