CN110167069A - A kind of more Narrowband wireless terminals polyplants applied to electric power wireless private network - Google Patents
A kind of more Narrowband wireless terminals polyplants applied to electric power wireless private network Download PDFInfo
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- CN110167069A CN110167069A CN201910304575.5A CN201910304575A CN110167069A CN 110167069 A CN110167069 A CN 110167069A CN 201910304575 A CN201910304575 A CN 201910304575A CN 110167069 A CN110167069 A CN 110167069A
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- narrowband wireless
- polyplants
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- 230000006854 communication Effects 0.000 claims abstract description 18
- 238000004891 communication Methods 0.000 claims abstract description 18
- 230000006978 adaptation Effects 0.000 claims abstract description 17
- 230000002776 aggregation Effects 0.000 claims abstract description 10
- 238000004220 aggregation Methods 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 abstract description 16
- 238000005516 engineering process Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000002716 delivery method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- TVZRAEYQIKYCPH-UHFFFAOYSA-N 3-(trimethylsilyl)propane-1-sulfonic acid Chemical compound C[Si](C)(C)CCCS(O)(=O)=O TVZRAEYQIKYCPH-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000007175 bidirectional communication Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000021186 dishes Nutrition 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/24—Multipath
- H04L45/245—Link aggregation, e.g. trunking
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/302—Route determination based on requested QoS
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0273—Traffic management, e.g. flow control or congestion control adapting protocols for flow control or congestion control to wireless environment, e.g. adapting transmission control protocol [TCP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
- H04W28/065—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information using assembly or disassembly of packets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/08—Load balancing or load distribution
- H04W28/082—Load balancing or load distribution among bearers or channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/10—Flow control between communication endpoints
- H04W28/14—Flow control between communication endpoints using intermediate storage
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of more Narrowband wireless terminals polyplants applied to electric power wireless private network, comprising: interface adaptation module completes data protocol conversion by interface adaptation module by the data of external device data interface;Assignment of traffic module, the data transmitted by interface adaptation module are cut into multiple data packets by assignment of traffic module;Memory module, the data transmitted by interface adaptation module are stored temporarily in memory module before cutting;Terminal aggregation module, for controlling assignment of traffic module and memory module;Narrowband wireless transport module, multiple data packets are transferred to corresponding multiple narrowband wireless communication transmission modules according to distribution rules distribution.The present invention enables to multiple narrow band communication modules to support broadband transmission business, realizes coexisting for broadband services and narrow band service, reduces data transmission cost, improve wireless device communication efficiency.
Description
Technical field
The present invention relates to smart grid wireless communication fields, and in particular to a kind of more narrowbands applied to electric power wireless private network
Wireless terminal polyplant.
Background technique
As the extensive construction reinforced to power distribution network is put into, the scale and intelligent level of distribution network construction will be mentioned substantially
It rises.Meanwhile with the upgrading of China smart city and Guo Wang company global energy Internet Strategy, " internet+" and " great Yun
The development and application of the new technologies such as object shifting ", the type and feature of power business will be more diversified, and power business mode just be undergone
Historic change, the acquisition of operations of power networks at different levels and user power utilization data is continuously increased, all kinds of mobile service application demands
Constantly promoted.
In order to adapt to this development, electric power networks structure is increasingly sophisticated, and number of devices is increasing, and distribution is increasingly wide
General and mostly in dense region, facing that network changes frequently, working environment is severe, fiber cable laying is at high cost and difficulty of construction is big etc. asks
Topic.There is a degree of defect: Fibre Optical Communication Technology, carrier wave using technologies such as fiber optic communication, carrier communication, wireless public networks
The problems such as cable communicating technologies such as technology are expensive, long in time limit there are construction cost;And wireless public network there are reliabilities low, safety
Difference, the defects of Service disruption ratio is high.
In this context, by establishing on the basis of integrated, high-speed bidirectional communication network, by advanced sensing and
Electricity is realized in the application of measuring technique, advanced equipment and technology, advanced control method and advanced DSS technology
Net reliable, safety, economy, efficient, the environmental-friendly and safe target of use.Social pooling funds terminal communication access net is improving confession
The safety and reliability of electricity improves energy efficiency, reduces the electric energy loss of power transmission network and reduces the sides such as the influence to environment
Face plays an important role.
The NB-IoT technology proposed in 3GPP LTE R13 version supports low power consuming devices to connect in the cellular data of wide area network
It connects.NB-IoT is based on existing 4G LTE system, to eat dishes without rice or wine physical layer and high-rise, access net and core net improve with it is excellent
Change, can satisfy the Low-rate traffic demand for supporting coverage enhancement, super low-power consumption, amount terminal to access under narrowband condition.However with
The propulsion of electric power wireless private network building-up work, network coverage incrementally increase, access service gradually increases, carry including
The multiple business such as power distribution automation, electricity consumption, mobile inspection, load control system, distributed energy, robot, NB-IoT is as a kind of
Narrow-band technologies cannot support electric system full-service completely.
Summary of the invention
It is wirelessly whole that the technical problem to be solved by the invention is to provide a kind of more narrowbands applied to electric power wireless private network
Polyplant is held, multiple narrow band communication modules is enabled to support broadband transmission business, realizes broadband services and narrow band service
It coexists, reduces data transmission cost, improve wireless device communication efficiency.
In order to solve the above technical problems, the present invention adopts the following technical scheme: a kind of applied to the more of electric power wireless private network
Narrowband wireless terminals polyplant, comprising:
Interface adaptation module completes data protocol by interface adaptation module by the data of external device data interface
Conversion;
Assignment of traffic module, the data transmitted by interface adaptation module are cut into multiple numbers by assignment of traffic module
According to packet;
Memory module, the data transmitted by interface adaptation module are stored temporarily in memory module before cutting;Eventually
Aggregation module is held, for controlling assignment of traffic module and memory module;
Narrowband wireless transport module, multiple data packets are transferred to corresponding multiple narrowband channel radios according to distribution rules distribution
Believe transmission module.
It optionally, further include the debugging interface module being connect with terminal aggregation module, the debugging interface module includes
UART interface and MiniPCI interface.
Optionally, when external data rate be higher than multiple narrowband wireless transport modules and when rate, memory module is regarded
Buffer-stored uses.
Optionally, the terminal aggregation module, assignment of traffic module, memory module combine the master control to form embedded system
Module, the interface adaptation module, narrowband wireless transport module and debugging interface module by the mode of bus and serial ports with it is embedding
The connection of embedded system main control module.
Optionally, the narrowband wireless transport module passes through USB or the main control module of UART interface and embedded system
Connection.
Optionally, the external device data interface includes that Ethernet interface and/or UART interface and/or MiniPCI connect
Mouthful.
Optionally, the distribution rules include polling method, ratio method, priority method, hashing.
The present invention has both the feature and benefit of narrow band communication and broadband connections.Due to using narrowband wireless communication mould
Block, so equipment communications cost is low, wide coverage supports the connection of bulk device.It, can be with by polymerizeing multiple narrowband modules
A biggish bandwidth is synthesized, for supporting the transmission of high data rate, thus support broadband services.Therefore, the present invention can
So that coexisting for multiple narrow band communication modules support broadband transmission business, realization broadband services and narrow band service, reduces data and passes
Defeated cost improves wireless device communication efficiency.
The specific technical solution of the present invention and its advantages will in the following detailed description in conjunction with attached drawing into
Row detailed description.
Detailed description of the invention
Present invention will be further described below with reference to the accompanying drawings and specific embodiments:
Fig. 1 is a kind of overall construction drawing of more Narrowband wireless terminals polyplants provided by the invention;
Fig. 2 is a kind of more Narrowband wireless terminals polyplant core board overall construction drawings;
Fig. 3 is a kind of polling algorithm schematic diagram of more Narrowband wireless terminals polyplants;
Fig. 4 is a kind of more Narrowband wireless terminals polyplant function bottom board overall construction drawings.
Specific embodiment
The technical solution of the embodiment of the present invention is explained and illustrated below with reference to the attached drawing of the embodiment of the present invention, but under
It states embodiment to be merely a preferred embodiment of the present invention, and not all.Based on the implementation example in the implementation mode, those skilled in the art
Obtained other embodiments without making creative work, belong to protection scope of the present invention.
Since internet of things equipment has access quantity big, the low feature of message transmission rate, therefore be suitble to pass using narrowband
Transferring technology.But under the scene of electric power wireless private network, the case where being coexisted there is also broadband services and narrow band service, in order to obtain compared with
Strong coverage area, it is necessary to use narrow band communication, this is resulted in can not support broadband services.The present invention is by researching and developing more narrowbands
Wireless terminal polyplant, enables wireless terminal support broadband services and narrow band service simultaneously, and both has both excellent
Gesture.In cost, coverage area is optimized simultaneously on traffic rate.
In conjunction with Fig. 1 to Fig. 4, the purpose of the present invention is adopt the following technical solutions realization.
As shown in Figure 1, a kind of more Narrowband wireless terminals polyplants, comprising: interface adaptation module, terminal aggregation module,
Assignment of traffic module, memory module, narrowband wireless transport module, debugging interface module.
Wherein, the data of equipment can pass through external interface, including Ethernet interface, UART interface, MiniPCI interface biography
It is defeated by more Narrowband wireless terminals polyplants.The data protocol conversion of the external interface is to be adapted to mould by interface
What block was completed.The terminal aggregation module, assignment of traffic module, memory module form the main control module of embedded system.Institute
The mode and embedded system that the interface adaptation module stated, narrowband wireless transport module and debugging interface module pass through bus and serial ports
Main control module of uniting connects.
Further, the embedded system main control module is by ARM chip, memory module, electricity combined with Figure 1 and Figure 2,
Source, data interface connector composition.Wherein, Embedded ARM chip mainly realizes terminal polymerizable functional and assignment of traffic function.
Specifically, the data transmitted by interface adaptation module are divided into multiple data packets by specific data packet cutting scheme,
Narrowband wireless communication transmission module is transferred to according to specific packet delivery method by data interface connector.Specifically,
The cutting scheme of data packet is to optimize processing by assignment of traffic module to obtain.Terminal aggregation module is responsible for controlling flow point
With module and memory module.External data packet is temporarily first stored in memory module before being cut.The narrowband is wireless
Transmission module is connect by USB or UART interface with core board.The debugging interface module includes Ethernet interface, and UART connects
Mouthful, MiniPCI interface can debug core board by these interfaces.
Further, when external data rate be higher than multiple narrowband wireless transport modules and when rate, memory module can
To be used as buffer-stored.
Further, the packet delivery method includes polling method, ratio method, priority method, hashing.
Specifically, in conjunction with Fig. 3, the core concept of polling method are as follows: all links priority all having the same, poll are calculated
Method sequentially rotation selection in list of link by data packet.In the environment of load balance, data packet will successively be sent in order
To each link, again and again continuously, it is selected when each of the links can all be sent again with identical status.
Specifically, the core concept of ratio algorithm are as follows: the list for establishing a link state, before link aggregation, often
Link has set allotment ratio, and transmission later will be carried out according to this ratio, will if there is link failure
It is moved out of list, is not involved in next transmission, until it restores normal.
Specifically, the core concept of priority method are as follows: establish a link priority list, data transmission is chosen in this table
Priority highest link in the case where same priority, distributes data packet using polling algorithm or ratio algorithm, when highest is preferential
When the link group of grade breaks down, allocation of packets is given to sub-priority link group.
Specifically, the core concept of hashing are as follows: according to certain rule, according to the irreversible hash function of injection, by net
Network data packet is sent to each transmission link.
Further, in conjunction with Fig. 4, narrowband wireless transport module can use 230 mould group of Huawei, the 230 mould group of Huawei
It is connected by UART interface with core board.When the UART interface lazy weight of core board, CP2104 can use by USB interface
Be converted to UART interface.Debugging serial ports and user interface use MAX3490 that RS422 is converted to UART interface.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, is familiar with
The those skilled in the art should be understood that the present invention includes but is not limited to attached drawing and interior described in specific embodiment above
Hold.Any modification without departing from function and structure principle of the invention is intended to be included in the range of claims.
Claims (7)
1. a kind of more Narrowband wireless terminals polyplants applied to electric power wireless private network, characterized by comprising: interface adaptation
Module completes data protocol conversion by interface adaptation module by the data of external device data interface;
Assignment of traffic module, the data transmitted by interface adaptation module are cut into multiple data by assignment of traffic module
Packet;
Memory module, the data transmitted by interface adaptation module are stored temporarily in memory module before cutting;Terminal is poly-
Block is molded, for controlling assignment of traffic module and memory module;
Narrowband wireless transport module, multiple data packets are transferred to corresponding multiple narrowband wireless communications according to distribution rules distribution and pass
Defeated module.
2. a kind of more Narrowband wireless terminals polyplants applied to electric power wireless private network according to claim 1, special
Sign is: further include the debugging interface module being connect with terminal aggregation module, the debugging interface module include UART interface with
And MiniPCI interface.
3. a kind of more Narrowband wireless terminals polyplants applied to electric power wireless private network according to claim 1, special
Sign is: when external data rate be higher than multiple narrowband wireless transport modules and when rate, memory module regards buffer-stored
It uses.
4. a kind of more Narrowband wireless terminals polyplants applied to electric power wireless private network according to claim 2, special
Sign is: the terminal aggregation module, assignment of traffic module, memory module combine the main control module to form embedded system, institute
State mode and embedded system that interface adaptation module, narrowband wireless transport module and debugging interface module pass through bus and serial ports
Main control module connection.
5. a kind of more Narrowband wireless terminals polyplants applied to electric power wireless private network according to claim 4, special
Sign is: the narrowband wireless transport module is connected by USB or the main control module of UART interface and embedded system.
6. a kind of more Narrowband wireless terminals polyplants applied to electric power wireless private network according to claim 1, special
Sign is: the external device data interface includes Ethernet interface and/or UART interface and/or MiniPCI interface.
7. a kind of more Narrowband wireless terminals polyplants applied to electric power wireless private network according to claim 1, special
Sign is: the distribution rules include polling method, ratio method, priority method, hashing.
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CN201910304575.5A CN110167069A (en) | 2019-04-16 | 2019-04-16 | A kind of more Narrowband wireless terminals polyplants applied to electric power wireless private network |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH10257097A (en) * | 1997-03-13 | 1998-09-25 | Hitachi Ltd | Communication method in wide band digital radio system and wide band digital radio communication terminal |
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CN103052076A (en) * | 2012-08-28 | 2013-04-17 | 深圳市国电科技通信有限公司 | Method for realizing broadband data transmission through discrete narrow band |
CN103581841A (en) * | 2013-11-28 | 2014-02-12 | 哈尔滨工业大学 | System and method for realizing broad and narrow band resource dynamic allocation based on narrow band air interface |
CN105472544A (en) * | 2015-12-29 | 2016-04-06 | 国家电网公司 | Wireless discrete narrow-band frequency spectrum polymeric CPE (Customer Premise Equipment) terminal supporting wifi access |
-
2019
- 2019-04-16 CN CN201910304575.5A patent/CN110167069A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10257097A (en) * | 1997-03-13 | 1998-09-25 | Hitachi Ltd | Communication method in wide band digital radio system and wide band digital radio communication terminal |
US6341145B1 (en) * | 1997-03-13 | 2002-01-22 | Hitachi, Ltd. | Communication method for broadband digital radio system and broadband digital radio communication terminal |
CN1472930A (en) * | 2002-07-30 | 2004-02-04 | 华为技术有限公司 | Device and method for carrying wideband business by narrow band resource |
CN2591878Y (en) * | 2002-11-13 | 2003-12-10 | 中国电子科技集团公司第五十四研究所 | Data terminal communication apparatus |
CN103052076A (en) * | 2012-08-28 | 2013-04-17 | 深圳市国电科技通信有限公司 | Method for realizing broadband data transmission through discrete narrow band |
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CN103581841A (en) * | 2013-11-28 | 2014-02-12 | 哈尔滨工业大学 | System and method for realizing broad and narrow band resource dynamic allocation based on narrow band air interface |
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