CN107786988A - A kind of multichannel LoRa gateways and its signal processing method - Google Patents
A kind of multichannel LoRa gateways and its signal processing method Download PDFInfo
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- CN107786988A CN107786988A CN201710949854.8A CN201710949854A CN107786988A CN 107786988 A CN107786988 A CN 107786988A CN 201710949854 A CN201710949854 A CN 201710949854A CN 107786988 A CN107786988 A CN 107786988A
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- 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
- H04W16/18—Network planning tools
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
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Abstract
The present invention provides a kind of multichannel LoRa gateways and its signal processing method, the gateway and is arranged between service end and LoRa terminals, including：First interface unit, at least two LoRa terminals modules, second interface unit and central control unit, wherein：First interface unit and service end two-way communication link；Central control unit and first interface unit and the two-way communication of second interface unit are in succession；Second interface unit and each LoRa terminals module two-way communication link, each LoRa terminals module communicate to connect with LoRa terminals.A kind of multichannel LoRa gateways and its signal processing method provided by the invention, multichannel LoRa gateways are realized by using multiple LoRa terminals module designs, so as to provide multiple communication channels between service end and LoRa terminals, cost is saved to a certain extent, and configured in one piece is more flexible, the different communication demand between service end and LoRa terminals is can adapt to, there is stronger practicality.
Description
Technical field
The present invention relates to communication technical field, more particularly, to a kind of multichannel LoRa gateways and its signal transacting side
Method.
Background technology
At present, to meet the connection requirement of more and more remote internet of things equipment, low-power consumption wide area network (LPWAN) meets the tendency of
And give birth to.LPWAN aim at low bandwidth, low-power consumption, the remote and Internet of Things application that largely connects and design.Numerous at present
In LPWAN technologies, LoRa is received significant attention due to its low-power consumption, high-performance and remote transmission range.LoRa is by U.S. Sheng Te
The technology of a kind of dedicated radio modulation /demodulation of company (SEMTECH) issue, in global free frequency range operation (i.e. unauthorized frequency
Section), including 433,868,915MHz and 2.4GHz etc..
In actual LoRa network designs, terminal module is typically using the design of the chips such as SX1276/1278/1280, gateway
Module is typically designed using SX1301 chips.The terminal chips such as SX1276/1278/1280 only support 1 road LoRa channels, SX1301
Gateway chip can support the parallel reception of 8 road LoRa channels, thus the cost of the gateway module based on SX1301 is significantly larger than base
In the cost of SX1276 terminal module.For example, SX1301 gateway module price is currently based on substantially at 1500 yuan or so, and
Just 20 yuan or so of the cost of terminal module based on SX1276.Thus in LoRa practical applications, to reduce networking cost, sometimes
Direct using terminal module composition gateway.But this scheme reduces the parallel processing capability of gateway, cause LoRa networks
Data transmission capacity reduces；And the low power consumption control of LoRa networks is more complicated.In view of this, at present urgently design it is a kind of it is low into
Originally, high performance LoRa gateways.
The content of the invention
The present invention is in order to overcome the problem of lacking inexpensive, high performance LoRa gateways in the prior art, there is provided Yi Zhongduo
Channel LoRa gateways and its signal processing method.
On the one hand, the present invention provides a kind of multichannel LoRa gateways, is arranged between service end and LoRa terminals, including：
First interface unit, at least two LoRa terminals modules, second interface unit and central control unit, wherein：Described first connects
Mouth unit and the service end two-way communication link；The central control unit connects with the first interface unit and described second
The two-way communication of mouth unit is in succession；The second interface unit and each LoRa terminals module two-way communication link, Mei Gesuo
LoRa terminals module is stated to communicate to connect with the LoRa terminals.
Preferably, each LoRa terminals module is configured to up channel or down channel according to demand.
Preferably, the central control unit is used to receive the downstream signal that the service end is sent, using being configured to down
The LoRa terminals module of row channel, the downstream signal is transmitted to the LoRa terminals.
Preferably, the central control unit is additionally operable to, using the LoRa terminals module for being configured to up channel, connect
The upward signal that the LoRa terminals are sent is received, the upward signal is transmitted to the service end.
Preferably, the central control unit is additionally operable to receive the configuration signal that the service end is sent, and is matched somebody with somebody according to described
Each LoRa terminals module is configured to up channel or down channel by confidence number.
Preferably, the quantity of the LoRa terminals module is configured according to demand.
On the one hand, the present invention provides a kind of signal processing method of multichannel LoRa gateways, including：
S1, the downstream signal of the service end transmission is received using the first interface unit, the downstream signal is passed
Transport to the central control unit；
S2, the downstream signal is received using the central control unit, will be described by the second interface unit under
Row signal is transmitted to the LoRa terminals module for being configured to down channel.
S3, the downstream signal is transmitted to the LoRa ends using the LoRa terminals module for being configured to down channel
End.
Preferably, also include before the step S1：
S0, the configuration signal of the service end transmission is received using the central control unit, according to the configuration signal
Each LoRa terminals module is configured to up channel or down channel.
On the one hand, the present invention provides a kind of signal processing method of multichannel LoRa gateways, including：
S1, using the LoRa terminals module for being configured to up channel, receive the up letter that the LoRa terminals are sent
Number, by the uplink signal transmissions to the second interface unit；
S2, the upward signal is received using the second interface unit, by the uplink signal transmissions to the concentration
Control unit；
S3, the upward signal is received using the central control unit, by the first interface unit will be described on
Row signal is transmitted to the service end.
Preferably, also include before the step S1：
S0, the configuration signal of the service end transmission is received using the central control unit, according to the configuration signal
Each LoRa terminals module is configured to the up channel or the down channel.
A kind of multichannel LoRa gateways and its signal processing method provided by the invention, by using multiple LoRa terminals moulds
Multichannel LoRa gateways are realized in group design, so as to provide multiple communication channels between service end and LoRa terminals.Compared to existing
There are the multichannel LoRa gateways of technology, the present invention carries out multi channel design using the LoRa terminals module of advantage of lower cost,
On the basis of the communication channel of identical quantity is provided, the design of multichannel LoRa gateways of the invention saves to a certain extent
Cost.Meanwhile the quantity of LoRa terminal modules can be according to the actual requirements in a kind of multichannel LoRa gateways provided by the invention
It is configured, and each LoRa terminals module can be configured to up channel or down channel, configured in one piece according to the actual requirements
It is more flexible, the different communication demand between service end and LoRa terminals is can adapt to, there is stronger practicality.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of multichannel LoRa gateways of the embodiment of the present invention；
Fig. 2 is a kind of schematic flow sheet of the signal processing method of multichannel LoRa gateways of the embodiment of the present invention；
Fig. 3 is a kind of schematic flow sheet of the signal processing method of multichannel LoRa gateways of the embodiment of the present invention.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Fig. 1 is a kind of overall structure diagram of multichannel LoRa gateways of the embodiment of the present invention, as shown in figure 1, this hair
It is bright that a kind of multichannel LoRa gateways are provided, it is arranged between service end and LoRa terminals, including：First interface unit 110, at least
Two LoRa terminals modules 140 (in figure by taking 4 LoRa terminal modules as an example), second interface unit 130 and central control unit
120, wherein：The first interface unit 110 and the service end two-way communication link；The central control unit 120 and institute
State first interface unit 110 and the two-way communication of second interface unit 130 in succession；The second interface unit 130 with it is each
The two-way communication link of LoRa terminals module 140, each LoRa terminals module 140 and the LoRa terminals communication link
Connect.
Specifically, the present embodiment provides a kind of multichannel LoRa gateways, is arranged between service end and LoRa terminals, wraps
Include：First interface unit 110, at least two LoRa terminals modules 140, second interface unit 130 and central control unit 120,
Wherein, service end includes host computer and high in the clouds, and when service end is host computer, first interface unit 110 can be led to using serial ports
Believe that agreement carries out two-way communication with service end；When service end is high in the clouds, first interface unit 110 can use TCP/IP communication
Agreement carries out two-way communication with service end.
Further, first interface unit 110 and the two-way communication link of central control unit 120, meanwhile, centralized Control list
Member 120 and the two-way communication of second interface unit 130 are in succession.Central control unit 120 is used for the signal in whole LoRa gateways
It is controlled, and the circuit module in whole LoRa gateways is configured.Specifically, central control unit 120 includes first
Communication module, parsing control module and second communication module, wherein, first communication module is used for logical with first interface unit 110
Letter connection；Parsing control module is used to parse the signal received, and carries out corresponding control behaviour according to analysis result
Make；Second communication module is used to communicate to connect with second interface unit 130.Central control unit 120 can be single-chip microcomputer or ARM
Processor circuit etc., second interface unit 130 can be SPI serial communication bus etc..In addition, central control unit 120 and
The particular type of two interface units 130 can also be configured according to the actual requirements, be not especially limited herein.
Further, second interface unit 130 and multiple two-way communication links of LoRa terminals module 140, LoRa terminal moulds
The quantity of group can be configured according to the actual requirements, be not specifically limited herein.4 LoRa terminals are provided with the present embodiment
Module, 4 LoRa terminals modules use mesh with the two-way communication link of second interface unit 130, each LoRa terminals module respectively
The general terminal module of preceding in the market realizes that each LoRa terminals module includes single-chip microcomputer, LoRa terminal chips, antenna and its matched somebody with somebody
Cover circuit.Wherein, LoRa terminal chips are specially the terminal chips such as SX1276/1278/1280.
Further, each LoRa terminals module 140 is connected with LoRa terminals by LoRaWAN protocol communications, and LoRa is whole
End is typically made up of devices such as LoRa modules and sensors, can be various equipment, for example water meter gas meter, smoke alarm and is doted on
Thing tracker etc., is not especially limited herein.
Further, multichannel LoRa gateways are realized by using multiple LoRa terminals module designs in the present embodiment, had
Effect reduces the design cost of gateway.In the prior art, LoRa gateways are designed using SX1301, although 8 LoRa can be provided
Channel, but substantially 1500 yuan of its cost；And only need just design using 8 LoRa terminals modules in the present embodiment and realize 8
The gateway of LoRa channels, 8 LoRa terminals modules are using the design realization of the terminal chips such as SX1276/1278/1280, each LoRa
Substantially 20 yuan of the cost of terminal module, the totle drilling cost of 8 LoRa terminal modules is only 200 yuan or so.
A kind of multichannel LoRa gateways provided by the invention, multichannel is realized by using multiple LoRa terminals module designs
LoRa gateways, so as to provide multiple communication channels between service end and LoRa terminals.Compared to the multichannel of prior art
LoRa gateways, the present invention carry out multi channel design using the LoRa terminals module of advantage of lower cost, are providing identical quantity
Communication channel on the basis of, the design of multichannel LoRa gateways of the invention saves cost to a certain extent.Meanwhile this hair
The quantity of LoRa terminal modules can be configured according to the actual requirements in a kind of multichannel LoRa gateways of bright offer, integrally be matched somebody with somebody
Put more flexible, can adapt to the different communication demand between service end and LoRa terminals, there is stronger practicality.
Based on any of the above-described embodiment, there is provided a kind of multichannel LoRa gateways, each LoRa terminals module is according to need
Ask and be configured to up channel or down channel.
Specifically, in the present embodiment, each LoRa terminals module can be configured to up channel or descending letter according to demand
Road.For any one LoRa terminal module, if the LoRa terminal modules are configured to up channel, the LoRa terminal moulds
Group can only be used as recipient, receive the signal that LoRa terminals are sent；, should if the LoRa terminal modules are configured to down channel
LoRa terminals module can only be used as sender, send a signal to LoRa terminals.
Further, the channel configuration mode of the multichannel LoRa gateways of the present embodiment is more flexible.In the prior art, adopt
Design LoRa gateways with SX1301,8 LoRa channels can only be provided, there is provided 8 LoRa channels be reception pattern, and preceding 7
The bandwidth of individual channel is fixed as 125KHz；And realize 8 LoRa channels using 8 LoRa terminal module designs in the present embodiment
Gateway, each LoRa terminals module are configured to up channel or down channel according to demand, there is provided more flexible LoRa letters
Road configuration mode.
Further, illustrated by taking 4 LoRa terminal modules as an example, 4 LoRa terminals modules can be according to LoRa nets
The needs of network are configured.For example, in the application scenarios for needing gateway call terminal, 1 LoRa terminal module can be matched somebody with somebody
Up channel is set to, 3 LoRa terminal modules are configured to down channel in addition, thus, by setting LoRa terminals different
Channel waits the paging signal of gateway, and the energy consumption that LoRa terminals are used for gateway paging can be greatly lowered.It is in addition, whole in LoRa
End has in the application scenarios that mass data uploads, then 4 LoRa terminal modules can be all configured into up channel, thus,
By setting LoRa terminals to send data in different up channels, the message capacity of LoRa networks can be increased substantially.
A kind of multichannel LoRa gateways provided by the invention, it is each in a kind of multichannel LoRa gateways provided by the invention
LoRa terminals module can be configured to up channel or down channel according to the actual requirements, and configured in one piece is more flexible, Neng Goushi
The different communication demand between service end and LoRa terminals is answered, there is stronger practicality.
Based on any of the above-described embodiment, there is provided a kind of multichannel LoRa gateways, the central control unit are used to receive institute
The downstream signal of service end transmission is stated, using the LoRa terminals module for being configured to down channel, the downstream signal is turned
Issue the LoRa terminals.
Specifically, in actual applications, the multichannel LoRa gateways of the present embodiment are arranged at service end and LoRa terminals
Between, when service end need to send downstream signal to LoRa terminals, service end is led to by serial communication protocol or TCP/IP first
The downstream signal is sent to the first receiving unit by letter agreement, and the first receiving unit receives the downstream signal, under described
Row signal transmits to central control unit, central control unit and receives the downstream signal, the downstream signal is parsed,
It is that after service end is sent to the downstream signal of LoRa terminals, the downstream signal is sent out by first interface unit to parse signal
The LoRa terminal modules for being configured to down channel are given, the LoRa terminals module for being configured to down channel receives the descending letter
Number, and eat dishes without rice or wine the downstream signal being transmitted to LoRa terminals by LoRa using LoRa modulator approaches, to realize service end pair
The signal transmission of LoRa terminals.
Further, the LoRa terminal modules in the multichannel LoRa gateways of the present embodiment are to need to be configured in advance
, configuration LoRa terminal module quantity is specifically included, and each LoRa terminals module is configured to up channel or down channel.
A kind of multichannel LoRa gateways provided by the invention, service end is received by central control unit and is sent to LoRa ends
The downstream signal at end, and downstream signal is transmitted to LoRa terminals using the LoRa terminals module for being configured to down channel, realize
Multichannel communication between service end and LoRa terminals, while the quantity of down channel can be matched somebody with somebody according to the actual requirements
Put, so as to meet the different communication demand between service end and LoRa terminals, effectively improve communication quality.
Based on any of the above-described embodiment, there is provided a kind of multichannel LoRa gateways, the central control unit are additionally operable to utilize
The LoRa terminals module of up channel is configured to, the upward signal that the LoRa terminals are sent is received, by the up letter
Number it is transmitted to the service end.
Specifically, in actual applications, the multichannel LoRa gateways of the present embodiment are arranged at service end and LoRa terminals
Between, when terminal need to send upward signal to LoRa terminals, the LoRa terminals module for being configured to up channel first uses
LoRa modulator approaches, eat dishes without rice or wine to receive the upward signal of LoRa terminals transmission by LoRa, then the upward signal is passed through second
Interface unit transmits to central control unit, central control unit and receives the upward signal, the upward signal is solved
Analysis, it is that after LoRa terminals are sent to the upward signal of service end, the upward signal is passed through into first interface list to parse signal
Member is transmitted to service end, to realize that the signal of LoRa terminal-pair service ends transmits.
Further, the LoRa terminal modules in the multichannel LoRa gateways of the present embodiment are to need to be configured in advance
, configuration LoRa terminal module quantity is specifically included, and each LoRa terminals module is configured to up channel or down channel.
A kind of multichannel LoRa gateways provided by the invention, central control unit are whole using the LoRa for being configured to up channel
Hold module to receive the upward signal that LoRa terminals are sent, then upward signal is transmitted to service end, realize service end and LoRa
Multichannel communication between terminal, while the quantity of up channel can be configured according to the actual requirements, so as to meet
Different communication demand between service end and LoRa terminals, effectively improves communication quality.
Based on any of the above-described embodiment, there is provided a kind of multichannel LoRa gateways, the central control unit are additionally operable to receive
The configuration signal that the service end is sent, each LoRa terminals module is configured to by up channel according to the configuration signal
Or down channel.
Specifically, the LoRa terminals module in the multichannel LoRa gateways of the present embodiment needs to be configured in advance,
During actual disposition, first, first interface unit receives the configuration signal that service end is sent, then the configuration signal is passed
Central control unit is transported to, central control unit receives the configuration signal, and the configuration signal is parsed, parses letter
Number it is service end to the configuration signals of LoRa terminal modules, then central control unit passes through second interface according to the configuration signal
Unit is configured to each LoRa terminals module, and each LoRa terminals module is configured into up channel or down channel.This
Outside, central control unit can also be configured according to configuration signal the working frequency points, bandwidth and spread spectrum of each LoRa terminals module because
Son etc., is not specifically limited herein.Wherein, by being configured to the bandwidth of each LoRa terminals module, to cause whole net
The overall bandwidth of pass larger can be adjusted in bandwidth range, to adapt to different communication requirements.
A kind of multichannel LoRa gateways provided by the invention, central control unit receive the configuration signal that service end is sent,
Each LoRa terminals module is configured to by up channel or down channel according to configuration signal so that whole gateway can carry
For the communication channel of different demands；Meanwhile by being configured to the bandwidth of each LoRa terminals module, to cause whole gateway
Overall bandwidth larger can be adjusted in bandwidth range, configured in one piece is more flexible, can adapt to service end and
Different communication demand between LoRa terminals, there is stronger practicality.
Based on any of the above-described embodiment, there is provided a kind of multichannel LoRa gateways, the quantity of the LoRa terminals module according to
Demand is configured.
Specifically, in the present embodiment, the quantity of LoRa terminal modules can be configured according to the actual requirements.When needing to transmit
During mass data, the quantity of LoRa terminal modules can be set up, transmission is allocated to mass data to provide more channels.
Existing LoRa terminals module can only provide 1 path channels, and in the present embodiment, by the LoRa terminals for setting varying number
Module can realize any multiplex (MUX).In addition, compared to existing SX1301 gateway modules, the multichannel in the present embodiment
LoRa gateways can provide the channel of 8 tunnels and the above, and existing SX1301 gateway modules can only support 8 path channels.
The quantity of LoRa terminal modules is configured according to demand in a kind of multichannel LoRa gateways provided by the invention, with
Effective transmission to different pieces of information amount is realized, the different communication demand between service end and LoRa terminals is disclosure satisfy that, effectively carries
High communication quality.
Fig. 2 be the embodiment of the present invention a kind of multichannel LoRa gateways signal processing method schematic flow sheet, such as Fig. 2
It is shown, based on any of the above-described embodiment, there is provided a kind of signal processing method of multichannel LoRa gateways, including：
S1, the downstream signal of the service end transmission is received using the first interface unit, the downstream signal is passed
Transport to the central control unit；
S2, the downstream signal is received using the central control unit, will be described by the second interface unit under
Row signal is transmitted to the LoRa terminals module for being configured to down channel.
S3, the downstream signal is transmitted to the LoRa ends using the LoRa terminals module for being configured to down channel
End.
Specifically, in actual applications, the multichannel LoRa gateways of the present embodiment be arranged at service end and LoRa terminals it
Between, when service end need to send downstream signal to LoRa terminals, service end passes through serial communication protocol or TCP/IP communication first
The downstream signal is sent to the first receiving unit by agreement, and the first receiving unit receives the downstream signal, will be described descending
Signal transmits to central control unit, central control unit and receives the downstream signal, the downstream signal is parsed, and solves
It is that after service end is sent to the downstream signal of LoRa terminals, the downstream signal is sent by first interface unit to separate out signal
To the LoRa terminal modules for being configured to down channel, the LoRa terminals module for being configured to down channel receives the downstream signal,
And eat dishes without rice or wine the downstream signal being transmitted to LoRa terminals by LoRa using LoRa modulator approaches, to realize service end to LoRa
The signal transmission of terminal.
A kind of signal processing method of multichannel LoRa gateways provided by the invention, central control unit pass through first interface
Unit receives the downstream signal that service end is sent to LoRa terminals, and utilizes the LoRa terminals module for being configured to down channel by under
Row signal is transmitted to LoRa terminals, realizes the multichannel communication between service end and LoRa terminals, while the number of down channel
Amount can be configured according to the actual requirements, so as to meet the different communication demand between service end and LoRa terminals, be had
Effect improves communication quality.Compared to the multichannel LoRa gateways of prior art, on the basis for the communication channel for providing identical quantity
On, a kind of multichannel LoRa gateways provided by the invention save cost to a certain extent.
Based on any of the above-described embodiment, there is provided a kind of signal processing method of multichannel LoRa gateways, as shown in Fig. 2 institute
Also include before stating step S1：S0, the configuration signal of the service end transmission is received using the central control unit, according to institute
State configuration signal and each LoRa terminals module is configured to up channel or down channel.
Specifically, in actual applications, the LoRa terminal modules in the multichannel LoRa gateways of the present embodiment are to need in advance
First configured, during concrete configuration, first, first interface unit receives the configuration signal that service end is sent, then will
The configuration signal, which is transmitted to central control unit, central control unit, receives the configuration signal, and the configuration signal is entered
Capable parsing, configuration signal of the signal for service end to LoRa terminal modules is parsed, then central control unit match somebody with somebody confidence according to this
Number, each LoRa terminals module is configured by second interface unit, each LoRa terminals module is configured to up letter
Road or down channel.In addition, central control unit can also configure the work frequency of each LoRa terminals module according to configuration signal
Point, bandwidth and spreading factor etc., are not specifically limited herein.Wherein, by matching somebody with somebody to the bandwidth of each LoRa terminals module
Put, to enable the overall bandwidth of whole gateway being larger adjusted in bandwidth range, needed with adapting to different communication
Ask.
A kind of signal processing method of multichannel LoRa gateways provided by the invention, central control unit receive service end hair
The configuration signal sent, each LoRa terminals module is configured to by up channel or down channel according to configuration signal so that
Whole gateway can provide the communication channel of different demands；Meanwhile by being configured to the bandwidth of each LoRa terminals module,
To enable the overall bandwidth of whole gateway being larger adjusted in bandwidth range, configured in one piece is more flexible, can
The different communication demand between service end and LoRa terminals is adapted to, there is stronger practicality.
Fig. 3 be the embodiment of the present invention a kind of multichannel LoRa gateways signal processing method schematic flow sheet, such as Fig. 3
It is shown, based on any of the above-described embodiment, there is provided a kind of signal processing method of multichannel LoRa gateways, including：
S1, using the LoRa terminals module for being configured to up channel, receive the up letter that the LoRa terminals are sent
Number, by the uplink signal transmissions to the second interface unit；
S2, the upward signal is received using the second interface unit, by the uplink signal transmissions to the concentration
Control unit；
S3, the upward signal is received using the central control unit, by the first interface unit will be described on
Row signal is transmitted to the service end.
Specifically, in actual applications, the multichannel LoRa gateways of the present embodiment are arranged at service end and LoRa terminals
Between, when terminal need to send upward signal to LoRa terminals, the LoRa terminals module for being configured to up channel first uses
LoRa modulator approaches, eat dishes without rice or wine to receive the upward signal of LoRa terminals transmission by LoRa, then the upward signal is passed through second
Interface unit transmits to central control unit, central control unit and receives the upward signal, the upward signal is solved
Analysis, it is that after LoRa terminals are sent to the upward signal of service end, the upward signal is passed through into first interface list to parse signal
Member is transmitted to service end, to realize that the signal of LoRa terminal-pair service ends transmits.
A kind of signal processing method of multichannel LoRa gateways provided by the invention, central control unit are utilized and are configured to
The LoRa terminals module of row channel receives the upward signal that LoRa terminals are sent, then upward signal is transmitted into service end, realizes
Multichannel communication between service end and LoRa terminals, while the quantity of up channel can be matched somebody with somebody according to the actual requirements
Put, so as to meet the different communication demand between service end and LoRa terminals, effectively improve communication quality.Compared to existing
The multichannel LoRa gateways of technology, on the basis of the communication channel of identical quantity is provided, a kind of multichannel provided by the invention
LoRa gateways save cost to a certain extent.
Based on any of the above-described embodiment, there is provided a kind of signal processing method of multichannel LoRa gateways, as shown in figure 3, institute
Also include before stating step S1：S0, the configuration signal of the service end transmission is received using the central control unit, according to institute
State configuration signal and each LoRa terminals module is configured to up channel or down channel.
Specifically, in actual applications, the LoRa terminal modules in the multichannel LoRa gateways of the present embodiment are to need in advance
First configured, during concrete configuration, first, first interface unit receives the configuration signal that service end is sent, then will
The configuration signal, which is transmitted to central control unit, central control unit, receives the configuration signal, and the configuration signal is entered
Capable parsing, configuration signal of the signal for service end to LoRa terminal modules is parsed, then central control unit match somebody with somebody confidence according to this
Number, each LoRa terminals module is configured by second interface unit, each LoRa terminals module is configured to up letter
Road or down channel.In addition, central control unit can also configure the work frequency of each LoRa terminals module according to configuration signal
Point, bandwidth and spreading factor etc., are not specifically limited herein.Wherein, by matching somebody with somebody to the bandwidth of each LoRa terminals module
Put, to enable the overall bandwidth of whole gateway being larger adjusted in bandwidth range, needed with adapting to different communication
Ask.
A kind of signal processing method of multichannel LoRa gateways provided by the invention, central control unit receive service end hair
The configuration signal sent, each LoRa terminals module is configured to by up channel or down channel according to configuration signal so that
Whole gateway can provide the communication channel of different demands；Meanwhile by being configured to the bandwidth of each LoRa terminals module,
To enable the overall bandwidth of whole gateway being larger adjusted in bandwidth range, configured in one piece is more flexible, can
The different communication demand between service end and LoRa terminals is adapted to, there is stronger practicality.
In summary, a kind of multichannel LoRa gateways and its signal processing method provided by the invention, by using multiple
LoRa terminal module designs realize multichannel LoRa gateways, so as to provide multiple communication letters between service end and LoRa terminals
Road.Compared to the multichannel LoRa gateways of prior art, the present invention is carried out more using the LoRa terminals module of advantage of lower cost
The design of channel, on the basis of the communication channel of identical quantity is provided, the design of multichannel LoRa gateways of the invention is certain
Cost is saved in degree.Meanwhile the quantity of LoRa terminal modules can be with a kind of multichannel LoRa gateways provided by the invention
It is configured according to the actual requirements, and each LoRa terminals module can be configured to up channel or descending letter according to the actual requirements
Road, configured in one piece is more flexible, can adapt to the different communication demand between service end and LoRa terminals, has stronger practicality
Property.
Finally, the present processes are only preferable embodiment, are not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc., the protection of the present invention should be included in
Within the scope of.
Claims (10)
1. a kind of multichannel LoRa gateways, are arranged between service end and LoRa terminals, it is characterised in that including：First interface
Unit, at least two LoRa terminals modules, second interface unit and central control unit, wherein：The first interface unit with
The service end two-way communication link；The central control unit and the first interface unit and the second interface unit are double
To communication in succession；The second interface unit and each LoRa terminals module two-way communication link, each LoRa are whole
Module is held to be communicated to connect with the LoRa terminals.
2. gateway according to claim 1, it is characterised in that each LoRa terminals module is configured to according to demand
Row channel or down channel.
3. gateway according to claim 1, it is characterised in that the central control unit is used to receive the service end hair
The downstream signal sent, using the LoRa terminals module for being configured to down channel, the downstream signal is transmitted to described
LoRa terminals.
4. gateway according to claim 1, it is characterised in that the central control unit is additionally operable to up using being configured to
The LoRa terminals module of channel, the upward signal that the LoRa terminals are sent is received, the upward signal is transmitted to institute
State service end.
5. gateway according to claim 1, it is characterised in that the central control unit is additionally operable to receive the service end
The configuration signal of transmission, each LoRa terminals module is configured to by up channel or descending letter according to the configuration signal
Road.
6. gateway according to claim 1, it is characterised in that the quantity of the LoRa terminals module is set according to demand
Put.
A kind of 7. signal processing method based on any described gateway of claim 1 to 6, it is characterised in that including：
S1, the downstream signal that the service end sends is received using the first interface unit, by the downstream signal transmit to
The central control unit；
S2, the downstream signal is received using the central control unit, by the second interface unit by the descending letter
Number transmit to the LoRa terminals module for being configured to down channel.
S3, the downstream signal is transmitted to the LoRa terminals using the LoRa terminals module for being configured to down channel.
8. according to the method for claim 7, it is characterised in that also include before the step S1：
S0, the configuration signal of the service end transmission is received using the central control unit, will be every according to the configuration signal
The individual LoRa terminals module is configured to up channel or down channel.
A kind of 9. signal processing method based on any described gateway of claim 1 to 6, it is characterised in that including：
S1, using the LoRa terminals module for being configured to up channel, the upward signal that the LoRa terminals are sent is received, will
The uplink signal transmissions are to the second interface unit；
S2, the upward signal is received using the second interface unit, by the uplink signal transmissions to the centralized Control
Unit；
S3, the upward signal is received using the central control unit, by the first interface unit by the up letter
Number it is transmitted to the service end.
10. according to the method for claim 9, it is characterised in that also include before the step S1：
S0, the configuration signal of the service end transmission is received using the central control unit, will be every according to the configuration signal
The individual LoRa terminals module is configured to the up channel or the down channel.
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