CN112953598B - Multichannel power line carrier communication system - Google Patents
Multichannel power line carrier communication system Download PDFInfo
- Publication number
- CN112953598B CN112953598B CN202110298835.XA CN202110298835A CN112953598B CN 112953598 B CN112953598 B CN 112953598B CN 202110298835 A CN202110298835 A CN 202110298835A CN 112953598 B CN112953598 B CN 112953598B
- Authority
- CN
- China
- Prior art keywords
- module
- transmission
- verification
- preset
- information
- 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
- 238000004891 communication Methods 0.000 title claims abstract description 34
- 238000012795 verification Methods 0.000 claims abstract description 93
- 238000012360 testing method Methods 0.000 claims abstract description 80
- 230000005540 biological transmission Effects 0.000 claims abstract description 75
- 238000012545 processing Methods 0.000 claims abstract description 25
- 238000012372 quality testing Methods 0.000 claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 25
- 238000012937 correction Methods 0.000 claims description 9
- 235000012149 noodles Nutrition 0.000 claims description 5
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 3
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/544—Setting up communications; Call and signalling arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
Abstract
The invention discloses a multi-channel power line carrier communication system, which comprises a signal monitoring module, a transmission testing module, a quality testing module, a verification login module, a data receiving module, a data processing module, a verification database, a master control module and an information sending module, wherein the signal monitoring module is used for monitoring the transmission of a signal; the signal monitoring module is used for sending signal information of each accessed communication channel to the transmission testing module and the quality testing module; the transmission testing module is used for testing the transmission speed of the received signal information and generating a speed testing ranking result; the quality testing module is used for testing the transmission quality of the received signal information and generating a quality testing ranking result; the verification login module is used for verifying the identity of a person using the system, and the verification database stores preset verification coefficient information of the person allowed to use the system. The invention has better safety and can better transmit communication information.
Description
Technical Field
The invention relates to the field of carrier communication, in particular to a multi-channel power line carrier communication system.
Background
The carrier communication is a telephone multi-channel communication system based on frequency division multiplexing technology, and belongs to the standard of classical analog communication. In engineering, the frequency spectrum of an electric signal of one telephone is limited to be 300-3400 Hz; the frequency bandwidth occupied by a single telephone is 4 khz, taking into account the protective frequency separation. Therefore, it is possible to multiplex telephone signals of different numbers in the frequency bandwidth of one channel according to the different frequency bandwidths of the utility channels. For example, an overhead open-wire channel may typically multiplex 12 telephone signals, a symmetric cable channel may typically multiplex 60 telephone signals, a medium coaxial cable channel may multiplex thousands of telephone signals, and so on. In general, communication technologies are being digitalized at a large step, digital optical fiber communication, digital satellite communication, and digital microwave communication systems have an increasing weight, and analog carrier communication systems are shrinking. But carrier communication will continue to function in the branch lines and rural areas for a period of time.
The existing carrier communication system has poor safety when in use, and a high-quality channel cannot be clearly recommended in a multi-channel state, so that certain influence is brought to the use of the carrier communication system.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: how to solve the problems that the safety is not good enough when the existing carrier communication system is used, and a high-quality channel cannot be clearly recommended under the multi-channel state, and certain influence is brought to the use of the carrier communication system, so that the multi-channel power line carrier communication system is provided.
The invention solves the technical problems through the following technical scheme that the device comprises a signal monitoring module, a transmission testing module, a quality testing module, a verification login module, a data receiving module, a data processing module, a verification database, a master control module and an information sending module;
the signal monitoring module is used for receiving the signal information of each accessed communication channel and sending the signal information to the transmission testing module and the quality testing module;
the transmission testing module is used for testing the transmission speed of the received signal information and generating a speed testing ranking result;
the quality testing module is used for testing the transmission quality of the received signal information and generating a quality testing ranking result;
the verification login module is used for verifying the identity of a person using the system, and the verification database stores preset verification coefficient information of the person allowed to use the system;
the data receiving module is used for receiving real-time verification coefficient information, speed test ranking results and quality test ranking results which are obtained when the verification login module verifies the identity of a login person;
the real-time verification coefficient information, the speed test ranking result and the quality test ranking result are all sent to a data processing module;
after receiving the real-time verification coefficient information, the data processing module calls a preset verification coefficient from a verification database, and compares the real-time verification coefficient information with the preset verification coefficient to generate verification passing information;
the data processing module processes the speed test ranking result and the quality test ranking result to generate recommendation channel information;
and the master control module controls the information sending module to send the recommended channel information.
Preferably, the transmission test module performs a transmission test in the following specific process:
the method comprises the following steps: setting a preset transmission file with a preset size, and marking the size of the preset transmission file as M;
step two: the method comprises the steps of transmitting a preset transmission file from each channel once, and recording transmission time Kz, wherein the unit of the transmission time Kz is S, z is the number of the channels, and z is 1 … … n;
step three: obtaining transmission speed information Mkz of each transmission channel through a formula M/Kz = Mkz;
step four: ranking the transmission speed information Mkz for each transmission channel from fast to slow results in a speed test ranking.
Preferably, the quality testing module performs a quality testing process as follows:
step (1): setting a transmission file with preset voice content, and marking the voice playing definition as T;
step (2): transmitting a transmission file with preset voice content once through all channels to obtain z files transmitted by z channels, and marking the z files as Wz;
and (3): and sequentially playing each file Wz, and ranking the files from clear to fuzzy according to the speech playing definition.
Preferably, the specific processing procedure of the real-time verification coefficient is as follows:
step a: the login verification module comprises a keyboard for inputting account number and password by a user, a display screen and a camera for acquiring a face image, and when login verification is carried out, the camera acquires a preset face image picture;
b, performing a step; extracting a preset number of face image photos, and extracting a piece with the highest definition as a basic photo;
step c: extracting the basic picture, extracting and marking feature points, marking two mouth corners in the basic picture as a point A and a point B, and marking two external canthus as a point C and a point D;
step d: connecting the point A and the point B to obtain a line segment L1, and marking the midpoint of the line segment L1 as a point E;
step e: connecting the point C and the point D to obtain a line segment L2, and then respectively connecting the point C and the point D with the point E to obtain a line segment L3 and a line segment L4;
step f: a line segment perpendicular to the line segment L2 is marked as L5 by taking the point E as an end point;
step g: the lengths of the line segments L2 and L5 were measured by the formula L2 × L5/2= Ll Noodle Obtaining the real-time verification coefficient Ll Flour 。
Preferably, the specific process of the data processing module for identity verification is as follows: and extracting the real-time verification coefficient and a preset verification coefficient, calculating a difference value between the real-time verification coefficient and the preset verification coefficient to obtain a coefficient difference, and passing the verification when the coefficient difference is smaller than the preset value.
Preferably, the specific processing procedure of the recommended channel information is as follows:
a step (a): extracting a speed test ranking result and a quality test ranking result, wherein each score of the speed test ranking is a preset Vi score, each score of the quality test ranking is a preset Gi score, and the preset Vi score and the preset Gi score are set from high to low according to the rank;
a step (b): in order to highlight the importance of the transmission quality, a correction value is given to the quality ranking result, the correction value is marked as UP, a correction value HP is given to the transmission speed, HP + UP =1, and Up > Hp;
step (c): marking the speed test ranking result as E and the quality test result as Y;
a step (d): by the formula E Hp + Y Up = Ey And obtaining a recommendation score Ey of each channel And ；
a step (e): scoring the recommendation of each channel Ey And ranking according to size, and extracting recommendation score Ey And the first three largest corresponding channels are the final recommended channels.
Preferably, after the login verification is passed, the user inputs a preset account password through the login verification module, and after the preset account password is verified, the user logs in the system.
Compared with the prior art, the invention has the following advantages:
this multichannel power line carrier communication system, can carry out the passageway recommendation according to the network fluctuation and the transmission effect of reality, this kind of setting can be when the transmission effect of lift system, realize effectual use of this communication system of promotion and experience, and need carry out authentication when using this system, authentication can continue to log on after through and carry out the system, use this communication system to transmit and need carry out authentication, authentication's setting, can effectually avoid the personnel that the non-permission used to carry out communication transmission, authentication's setting is effectual the safety of this system of promotion, let this system be worth using widely more.
Drawings
Fig. 1 is an overall structural view of the present invention.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
As shown in fig. 1, the present embodiment provides a technical solution: a multi-channel power line carrier communication system comprises a signal monitoring module, a transmission test module, a quality test module, a verification login module, a data receiving module, a data processing module, a verification database, a master control module and an information sending module;
the signal monitoring module is used for receiving the signal information of each accessed communication channel and sending the signal information to the transmission testing module and the quality testing module;
the transmission test module is used for testing the transmission speed of the received signal information and generating a speed test ranking result;
the quality testing module is used for testing the transmission quality of the received signal information and generating a quality testing ranking result;
the verification login module is used for verifying the identity of a person using the system, and the verification database stores preset verification coefficient information of the person allowed to use the system;
the data receiving module is used for receiving real-time verification coefficient information, speed test ranking results and quality test ranking results which are obtained when the verification login module verifies the identity of a login person;
the real-time verification coefficient information, the speed test ranking result and the quality test ranking result are all sent to a data processing module;
after receiving the real-time verification coefficient information, the data processing module calls a preset verification coefficient from a verification database, and compares the real-time verification coefficient information with the preset verification coefficient to generate verification passing information;
the data processing module processes the speed test ranking result and the quality test ranking result to generate recommendation channel information;
and the master control module controls the information sending module to send the recommended channel information.
The specific process of the transmission test module for transmission test is as follows:
the method comprises the following steps: setting a preset transmission file with a preset size, and marking the size of the preset transmission file as M;
step two: the method comprises the steps of transmitting a preset transmission file from each channel once, and recording transmission time Kz, wherein the unit of the transmission time Kz is S, z is the number of the channels, and z is 1 … … n;
step three: obtaining transmission speed information Mkz of each transmission channel through a formula M/Kz = Mkz;
step four: ranking the transmission speed information Mkz for each transmission channel from fast to slow results in a speed test ranking.
The quality testing module performs the following specific process of quality testing:
step (1): setting a transmission file with preset voice content, and marking the voice playing definition as T;
step (2): transmitting a transmission file with preset voice content once through all channels to obtain z files transmitted by z channels, and marking the z files as Wz;
and (3): and sequentially playing each file Wz, and ranking the files from clear to fuzzy according to the speech playing definition.
The specific processing process of the real-time verification coefficient is as follows:
step a: the login verification module comprises a keyboard for inputting account number and password by a user, a display screen and a camera for acquiring a face image, and when login verification is carried out, the camera acquires a preset face image picture;
b, performing a step; extracting a preset number of face image photos, and extracting one with the highest definition as a basic photo;
step c: extracting the basic picture, extracting and marking feature points, marking two mouth corners in the basic picture as a point A and a point B, and marking two external canthus as a point C and a point D;
step d: connecting the point A and the point B to obtain a line segment L1, and marking the midpoint of the line segment L1 as a point E;
step e: connecting the point C and the point D to obtain a line segment L2, and then respectively connecting the point C and the point D with the point E to obtain a line segment L3 and a line segment L4;
step f: taking the point E as an end point to make a line segment perpendicular to the line segment L2, and marking the line segment as L5;
step g: the lengths of the line segments L2 and L5 were measured by the formula L2 × L5/2= Ll Noodle Obtaining the real-time verification coefficient Ll Noodle 。
The specific process of the data processing module for identity authentication is as follows: and extracting the real-time verification coefficient and a preset verification coefficient, calculating a difference value between the real-time verification coefficient and the preset verification coefficient to obtain a coefficient difference, and passing the verification when the coefficient difference is smaller than the preset value.
The specific processing procedure of the recommended channel information is as follows:
step (a): extracting a speed test ranking result and a quality test ranking result, wherein each score of the speed test ranking is a preset Vi score, each score of the quality test ranking is a preset Gi score, and the preset Vi score and the preset Gi score are set from high to low according to the rank;
a step (b): in order to highlight the importance of the transmission quality, a correction value is given to the quality ranking result, the correction value is marked as UP, a correction value HP is given to the transmission speed ranking result, HP + UP =1, and Up > Hp;
step (c): marking the speed test ranking result as E and marking the quality test ranking result as Y;
step (d): by the formula E Hp + Y Up = Ey And obtaining a recommendation score Ey for each channel And ；
a step (e): scoring the recommendation of each channel Ey And ranking according to size, and extracting recommendation score Ey And the first three largest corresponding channels are final recommended channels;
after the login verification is passed, the user inputs a preset account password through the login verification module, and the user logs in the system after the preset account password is verified.
When the invention is used, the signal monitoring module is used for transmitting the signal information of each accessed communication channel to the transmission testing module and the quality testing module. The transmission testing module is used for testing the transmission speed of the received signal information and generating a speed testing ranking result, the quality testing module is used for testing the transmission quality of the received signal information and generating a quality testing ranking result, the verification logging module is used for verifying the identity of a person using the system, the verification database stores preset verification coefficient information of the person allowed to use the system, the data receiving module is used for receiving real-time verification coefficient information, a speed testing ranking result and a testing ranking result which are obtained when the verification logging module verifies the identity of the logged person, the real-time verification coefficient information and the speed testing ranking result are all sent to the data processing module, the data processing module calls the preset verification coefficient from the verification database after receiving the real-time verification coefficient information, compares the real-time verification coefficient information with the preset verification coefficient to generate verification passing information, the data processing module processes the speed test ranking result and the test ranking result, recommended channel information is generated, the master control module controls the information sending module to send the recommended channel information, the setting can improve the transmission effect of the system, the use experience of the communication system is effectively improved, the system needs to be authenticated, the authentication can continue to log in the system after passing through, the communication system is used for transmission, the authentication needs to be performed, the authentication is performed, the non-allowed use can be effectively avoided for communication transmission, the safety of the system is effectively improved by the authentication, and the system is more worthy of popularization and use.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (1)
1. A multi-channel power line carrier communication system is characterized by comprising a signal monitoring module, a transmission testing module, a quality testing module, a verification login module, a data receiving module, a data processing module, a verification database, a master control module and an information sending module;
the signal monitoring module is used for receiving the signal information of each accessed communication channel and sending the signal information to the transmission testing module and the quality testing module;
the transmission testing module is used for testing the transmission speed of the received signal information and generating a speed testing ranking result;
the quality testing module is used for testing the transmission quality of the received signal information and generating a quality testing ranking result;
the verification login module is used for verifying the identity of a person using the system, and the verification database stores preset verification coefficient information of the person allowed to use the system;
the data receiving module is used for receiving real-time verification coefficient information, speed test ranking results and quality test ranking results which are obtained when the verification login module verifies the identity of a login person;
the real-time verification coefficient information, the speed test ranking result and the quality test ranking result are all sent to a data processing module;
after receiving the real-time verification coefficient information, the data processing module calls a preset verification coefficient from a verification database, and compares the real-time verification coefficient information with the preset verification coefficient to generate verification passing information;
the data processing module processes the speed test ranking result and the quality test ranking result to generate recommendation channel information;
the master control module controls the information sending module to send out the recommended channel information;
the specific process of the transmission test module for transmission test is as follows:
the method comprises the following steps: setting a preset transmission file with a preset size, and marking the size of the preset transmission file as M;
step two: the method comprises the steps of transmitting a preset transmission file from each channel once, and recording transmission time Kz, wherein the unit of the transmission time Kz is S, z is the number of the channels, and z is 1 … … n;
step three: obtaining transmission speed information Mkz of each transmission channel through a formula M/Kz = Mkz;
step four: ranking the transmission speed information Mkz of each transmission channel from fast to slow to obtain a speed test ranking;
the quality testing module performs the following specific process of quality testing:
step (1): setting a transmission file with preset voice content, and marking the voice playing definition as T;
step (2): transmitting a transmission file with preset voice content once through all channels to obtain z files transmitted by z channels, and marking the z files as Wz;
and (3): sequentially playing each file Wz, and ranking the files from clear to fuzzy according to the speech playing definition;
the specific processing process of the real-time verification coefficient is as follows:
step a: the login verification module comprises a keyboard for inputting account number and password by a user, a display screen and a camera for acquiring a face image, and when login verification is carried out, the camera acquires a preset face image picture;
b, performing a step; extracting a preset number of face image photos, and extracting a piece with the highest definition as a basic photo;
step c: extracting the basic picture, extracting and marking feature points, marking two mouth corners in the basic picture as a point A and a point B, and marking two external canthus as a point C and a point D;
step d: connecting the point A and the point B to obtain a line segment L1, and marking the midpoint of the line segment L1 as a point E;
step e: connecting the point C and the point D to obtain a line segment L2, and then respectively connecting the point C and the point D with the point E to obtain a line segment L3 and a line segment L4;
step f: taking the point E as an end point to make a line segment perpendicular to the line segment L2, and marking the line segment as L5;
step g: the lengths of the line segments L2 and L5 were measured by the formula L2 × L5/2= Ll Noodle Obtaining the real-time verification coefficient Ll Noodle ；
The specific process of the data processing module for identity authentication is as follows: extracting a real-time verification coefficient and a preset verification coefficient, calculating a difference value between the real-time verification coefficient and the preset verification coefficient to obtain a coefficient difference, and passing the verification when the coefficient difference is smaller than the preset value;
the specific processing procedure of the recommended channel information is as follows:
step (a): extracting a speed test ranking result and a quality test ranking result, wherein each score of the speed test ranking is a preset Vi score, each score of the quality test ranking is a preset Gi score, and the preset Vi score and the preset Gi score are set from high to low according to the rank;
a step (b): in order to highlight the importance of the transmission quality, a correction value is given to the quality ranking result, the correction value is marked as UP, a correction value HP is given to the transmission speed ranking result, HP + UP =1, and Up > Hp;
a step (c): marking the ranking result of the speed test as E, and marking the ranking result of the quality test as Y;
step (d): by the formula E Hp + Y Up = Ey And obtaining a recommendation score Ey of each channel And ；
a step (e): scoring the recommendation of each channel Ey And ranking according to size, and extracting recommendation score Ey And the first three largest corresponding channels are final recommended channels;
after the login verification is passed, the user inputs a preset account password through the login verification module, and the user logs in the system after the preset account password is verified to be passed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110298835.XA CN112953598B (en) | 2021-03-20 | 2021-03-20 | Multichannel power line carrier communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110298835.XA CN112953598B (en) | 2021-03-20 | 2021-03-20 | Multichannel power line carrier communication system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112953598A CN112953598A (en) | 2021-06-11 |
| CN112953598B true CN112953598B (en) | 2022-09-23 |
Family
ID=76227436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110298835.XA Active CN112953598B (en) | 2021-03-20 | 2021-03-20 | Multichannel power line carrier communication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112953598B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107529689A (en) * | 2017-08-26 | 2018-01-02 | 康体佳智能科技（深圳）有限公司 | A kind of power-line carrier communication method of intelligent selection signalling channel |
| WO2019196440A1 (en) * | 2018-04-13 | 2019-10-17 | 珠海格力电器股份有限公司 | Channel switching processing method, device and system, storage medium, and electronic device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7200171B2 (en) * | 2003-01-21 | 2007-04-03 | Sony Ericsson Mobile Communications Ab | System and method for estimating initial channel quality in a multirate system |
| CN101814935A (en) * | 2009-02-25 | 2010-08-25 | 谢炜 | Self-adaptive modulator in power line communication system |
| CN203278822U (en) * | 2013-03-26 | 2013-11-06 | 杨晨 | Carrier wave multichannel multimode system |
| CN105976586A (en) * | 2016-05-06 | 2016-09-28 | 浙江京禾电子科技有限公司 | Broadband power line carrier meter reading concentrator |
| CN110597120B (en) * | 2019-09-16 | 2021-08-27 | 北京无线电测量研究所 | Acquisition terminal and method based on power line carrier |
| CN110930676A (en) * | 2019-12-10 | 2020-03-27 | 国网湖南省电力有限公司 | Electricity consumption information acquisition system and method based on dual-mode communication |
| CN111683012A (en) * | 2020-05-09 | 2020-09-18 | 珠海格力电器股份有限公司 | Information reporting method and device, electronic equipment and storage medium |
| CN112180241B (en) * | 2020-10-13 | 2024-04-12 | 合肥泽延微电子有限公司 | Management system for integrated circuit simulation debugging machine |
| CN112235082A (en) * | 2020-10-23 | 2021-01-15 | Tcl通讯（宁波）有限公司 | Communication information transmission method, device, equipment and storage medium |
| CN112104397B (en) * | 2020-11-23 | 2021-03-23 | 国网江西省电力有限公司经济技术研究院 | MIMO power line communication data transmission method and device |
-
2021
- 2021-03-20 CN CN202110298835.XA patent/CN112953598B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107529689A (en) * | 2017-08-26 | 2018-01-02 | 康体佳智能科技（深圳）有限公司 | A kind of power-line carrier communication method of intelligent selection signalling channel |
| WO2019196440A1 (en) * | 2018-04-13 | 2019-10-17 | 珠海格力电器股份有限公司 | Channel switching processing method, device and system, storage medium, and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112953598A (en) | 2021-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2206251A1 (en) | Method and apparatus for testing a digital communication channel at variable or fixed data rates | |
| EP2348660A1 (en) | Optical signal marking or detecting method, device and marking and detecting system | |
| CN103338077B (en) | Based on method for balancing powers and the system of the variable bandwidth optical network of OFDM | |
| CN112953598B (en) | Multichannel power line carrier communication system | |
| US9467758B2 (en) | Testing system and method | |
| CN111163104B (en) | Network security protection system for enterprise | |
| KR20050097983A (en) | Method and apparatus for testing network data signals in a wavelength division multiplexed optical network | |
| CN110022186A (en) | A kind of wavelength locker and method | |
| DE10144117A1 (en) | Serial test for parallel optical modules | |
| CN108600127B (en) | Pulse overlapping-based communication system and method for exceeding Nyquist | |
| KR100623214B1 (en) | Real-time quality analyzer for voice and audio signals | |
| CN106970605A (en) | Realize the method for checking plant produced data at any time | |
| CA2100906C (en) | Method and apparatus for data parity in a transmission system | |
| Richards et al. | Assessment of speech communication links | |
| CN117786508B (en) | Optical fiber unidirectional time-frequency synchronous signal transmission method | |
| JPS6130139A (en) | Optical transmission system | |
| EP0324954A2 (en) | Method and device for the shared transmission of digitized television, sound and data signals | |
| US11405100B2 (en) | Methods and systems for monitoring optical networks | |
| CN113542053B (en) | Broadband communication equipment test system | |
| CN220067430U (en) | All-optical pulse conversion equipment | |
| CN105915854A (en) | Long-distance video monitoring system based on laser chaos | |
| Drakulić | Signal processing for fourth generation wired broadband access networks | |
| US6181745B1 (en) | Process for monitoring the quantization quality in digital radio or television transmission systems | |
| CN117786508A (en) | Optical fiber unidirectional time-frequency synchronous signal transmission method | |
| JP3463991B2 (en) | Estimation method of optical loss characteristics |
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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A multi-channel power line carrier communication system Effective date of registration: 20221102 Granted publication date: 20220923 Pledgee: Bank of Taizhou Co.,Ltd. Hangzhou Fuyang sub branch Pledgor: ZHEJIANG SHENGXUAN ELECTRICAL POWER TECHNOLOGY Co.,Ltd. Registration number: Y2022980020605 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20240102 Granted publication date: 20220923 Pledgee: Bank of Taizhou Co.,Ltd. Hangzhou Fuyang sub branch Pledgor: ZHEJIANG SHENGXUAN ELECTRICAL POWER TECHNOLOGY Co.,Ltd. Registration number: Y2022980020605 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |