WO2019047750A1 - 一种同频终端节点的入网方法和装置 - Google Patents

一种同频终端节点的入网方法和装置 Download PDF

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Publication number
WO2019047750A1
WO2019047750A1 PCT/CN2018/102852 CN2018102852W WO2019047750A1 WO 2019047750 A1 WO2019047750 A1 WO 2019047750A1 CN 2018102852 W CN2018102852 W CN 2018102852W WO 2019047750 A1 WO2019047750 A1 WO 2019047750A1
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Prior art keywords
gateway node
node
frequency
request message
gateway
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PCT/CN2018/102852
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English (en)
French (fr)
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陶震
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阿里巴巴集团控股有限公司
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Publication of WO2019047750A1 publication Critical patent/WO2019047750A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/08Access restriction or access information delivery, e.g. discovery data delivery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/16Discovering, processing access restriction or access information

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a network access method for an intra-frequency terminal node, a network access device for a same-frequency terminal node, a correspondence table establishment method, and a correspondence table establishment device.
  • the LoRa network is one of the low power wide area network LPWAN (Low Power Wide Area Network).
  • the LoRa network includes: a terminal node, a LoRa gateway node (or LoRa base station), and a server.
  • An inter-frequency gateway node refers to a gateway node that is strictly distinguished from an uplink channel and a downlink channel.
  • the frequency of the uplink channel of the first type of gateway node in the LoRa mixing network corresponds to the frequency of the downlink channel of the second type of gateway node, and the frequency of the downlink channel of the first type of gateway node corresponds to the second type of gateway node The frequency of the upstream channel.
  • the working frequency point is located in the uplink channel range of the first type of gateway node and the downlink channel range of the second type of gateway node.
  • the current network access method has the problems of not being able to select a suitable gateway node, low degree of automation, and weak compatibility.
  • embodiments of the present application are provided to provide a network access method for an intra-frequency terminal node that overcomes the above problems or at least partially solves the above problems, a network access device for a same-frequency terminal node, and a correspondence table establishment.
  • a method and a correspondence table establishing device are provided.
  • the embodiment of the present application discloses a network access method for an intra-frequency terminal node, which is applied to a communication network, where the communication network includes: an intra-frequency terminal node, at least one first gateway node, and at least one second gateway node. And a server that communicates with the at least one first gateway node and the at least one second gateway node; a frequency point of an uplink channel of the first gateway node and a frequency point of a downlink channel of the second gateway node are The first frequency point, the method includes:
  • the intra-frequency terminal node sends an access request message to the first gateway node at the first frequency point;
  • the target second gateway node is a second corresponding to the same-frequency terminal node determined by the server a gateway node; the access response message is generated by the server according to the access request message forwarded by the first gateway node.
  • the communication network further includes: an inter-frequency terminal node, a frequency point of a downlink channel of the first gateway node and a frequency point of an uplink channel of the second gateway node being a second frequency point, the method Also includes:
  • the target second gateway node is a second gateway node that is searched by the server in the preset correspondence table and corresponds to the same-frequency terminal node.
  • the embodiment of the present application further discloses a network access method for an intra-frequency terminal node, which is applied to a communication network, where the communication network includes: an intra-frequency terminal node, at least one first gateway node, at least one second gateway node, and a server that communicates with the at least one first gateway node and the at least one second gateway node; a frequency point of an uplink channel of the first gateway node and a frequency point of a downlink channel of the second gateway node are a first frequency point , the method includes:
  • the server sends an access response message to the intra-frequency terminal node at the first frequency point by the target second gateway node.
  • the communication network further includes: an inter-frequency terminal node, a frequency point of a downlink channel of the first gateway node and a frequency point of an uplink channel of the second gateway node being a second frequency point, the method Also includes:
  • a second gateway node selection request message sent by the at least one second gateway node; the second gateway node selecting a request message, where the inter-frequency terminal node is in the second frequency according to an access request message Sending the point to the second gateway node; the access request message is sent by the intra-frequency terminal node to the inter-frequency terminal node at the first frequency point;
  • the server establishes a correspondence between the target second gateway node and the same-frequency terminal node.
  • the step of determining, by the server, the target second gateway node according to the second gateway node selection request message comprises:
  • the server detects a signal quality of each of the second gateway nodes that forward the second gateway node selection request message, and determines a target second gateway node that has the best signal quality.
  • the step of determining, by the server, the target second gateway node corresponding to the same-frequency terminal node according to the access request message includes:
  • the server searches for a target second gateway node corresponding to the same-frequency terminal node in the preset correspondence table according to the access request message.
  • the embodiment of the present application further discloses a network access method for an intra-frequency terminal node, which is applied to a communication network, where the communication network includes: an intra-frequency terminal node, an inter-frequency terminal node, at least one first gateway node, and at least one second gateway.
  • a node and a server in communication with the at least one first gateway node and the at least one second gateway node; a frequency point of a receiving end of the inter-frequency terminal node, a frequency point of an uplink channel of the first gateway node, and The frequency of the downlink channel of the second gateway node is a first frequency point; the frequency point of the transmitting end of the inter-frequency terminal node, the frequency point of the downlink channel of the first gateway node, and the second gateway node
  • the frequency of the uplink channel is a second frequency point
  • the method includes:
  • the inter-frequency terminal node receives an access request message from the intra-frequency terminal node at the first frequency point;
  • the inter-frequency terminal node generates a second gateway node selection request message according to the access request message;
  • the at least one second gateway node is configured to use the second gateway Sending a node selection request message to the server;
  • the server is configured to determine, according to the received second gateway node selection request message, a target second gateway node, and establish the target second gateway node and the same-frequency terminal node Corresponding relationship; when receiving the access request message of the intra-frequency terminal node, determining to find the target second gateway node corresponding to the same-frequency terminal node; and passing the access response message through the target second gateway node, The first frequency point is sent to the intra-frequency terminal node.
  • the step of generating, by the inter-frequency terminal node, the second gateway node selection request message according to the access request message includes:
  • the inter-frequency terminal node determines identity identification information in the access request message
  • the inter-frequency terminal node determines whether the identity identification information is pre-recorded
  • the inter-frequency terminal node If yes, the inter-frequency terminal node generates a second gateway node selection request message according to the access request message.
  • the server is further configured to: when receiving the access request message of the intra-frequency terminal node, look up the target second gateway node corresponding to the same-frequency terminal node in the preset correspondence table.
  • the embodiment of the present application further discloses a correspondence table establishing method, which is applied to a communication network, where the communication network includes: an intra-frequency terminal node, an inter-frequency terminal node, at least one first gateway node, and at least one second gateway node, and a server communicating with the at least one first gateway node and the at least one second gateway node; a frequency point of a receiving end of the inter-frequency terminal node, a frequency point of an uplink channel of the first gateway node, and the The frequency of the downlink channel of the second gateway node is a first frequency point, the frequency point of the transmitting end of the inter-frequency terminal node, the frequency point of the downlink channel of the first gateway node, and the uplink channel of the second gateway node.
  • the frequency point is the second frequency point
  • the method includes:
  • a second gateway node selection request message sent by the at least one second gateway node; the second gateway node selecting a request message, where the inter-frequency terminal node is in the second frequency according to an access request message Sending the point to the second gateway node; the access request message is sent by the intra-frequency terminal node to the inter-frequency terminal node at the first frequency point;
  • the server establishes a correspondence between the target second gateway node and the same-frequency terminal node in a preset correspondence table.
  • the step of determining, by the server, the target second gateway node according to the second gateway node selection request message comprises:
  • the server detects a signal quality of each of the second gateway nodes that forward the second gateway node selection request message, and determines a target second gateway node that has the best signal quality.
  • the embodiment of the present application further discloses a correspondence table establishing method, which is applied to a communication network, where the communication network includes: an intra-frequency terminal node, an inter-frequency terminal node, at least one first gateway node, and at least one second gateway node, and a server communicating with the at least one first gateway node and the at least one second gateway node; a frequency point of a receiving end of the inter-frequency terminal node, a frequency point of an uplink channel of the first gateway node, and the The frequency of the downlink channel of the second gateway node is a first frequency point; the frequency point of the transmitting end of the inter-frequency terminal node, the frequency point of the downlink channel of the first gateway node, and the uplink channel of the second gateway node The frequency point is the second frequency point, and the method includes:
  • the inter-frequency terminal node receives an access request message from the intra-frequency terminal node at the first frequency point;
  • the inter-frequency terminal node generates a second gateway node selection request message according to the access request message;
  • the at least one second gateway node is configured to use the second gateway Sending a node selection request message to the server;
  • the server is configured to determine a target second gateway node according to the received second gateway node selection request message, and establish the target second gateway node in a preset correspondence table Corresponding relationship of the same frequency terminal node.
  • the step of generating, by the inter-frequency terminal node, the second gateway node selection request message according to the access request message includes:
  • the inter-frequency terminal node determines identity identification information in the access request message
  • the inter-frequency terminal node determines whether the identity identification information is pre-recorded
  • the inter-frequency terminal node If yes, the inter-frequency terminal node generates a second gateway node selection request message according to the access request message.
  • the embodiment of the present application further discloses a network access device of an intra-frequency terminal node, which is applied to a communication network, where the communication network includes: an intra-frequency terminal node, at least one first gateway node, at least one second gateway node, and a server that communicates with the at least one first gateway node and the at least one second gateway node; a frequency point of an uplink channel of the first gateway node and a frequency point of a downlink channel of the second gateway node are a first frequency point
  • the device includes:
  • a first access request message sending module where the same frequency terminal node is located, is configured to send an access request message to the first gateway node at the first frequency point;
  • An access response message receiving module of the same-frequency terminal node configured to receive an access response message returned by the target second gateway node at the first frequency point; the target second gateway node is determined by the server a second gateway node corresponding to the same-frequency terminal node; the access response message is generated by the server according to the access request message forwarded by the first gateway node.
  • the communication network further includes: an inter-frequency terminal node, a frequency point of a downlink channel of the first gateway node and a frequency point of an uplink channel of the second gateway node are a second frequency point, the device Also includes:
  • a second access request message sending module located at the same frequency terminal node, configured to send the access request message to the inter-frequency terminal node at the first frequency point; And sending, by the second access point, a second gateway node selection request message to the at least one second gateway node according to the access request message; the at least one second gateway node is configured to use the second gateway node Selecting a request message to be forwarded to the server; the server is configured to detect that the target second gateway node is determined according to the received second gateway node selection request message, and establish the target second gateway node and the same frequency The correspondence between terminal nodes.
  • the target second gateway node is a second gateway node that is searched by the server in the preset correspondence table and corresponds to the same-frequency terminal node.
  • the embodiment of the present application further discloses a network access device of an intra-frequency terminal node, which is applied to a communication network, where the communication network includes: an intra-frequency terminal node, at least one first gateway node, at least one second gateway node, and a server that communicates with the at least one first gateway node and the at least one second gateway node; a frequency point of an uplink channel of the first gateway node and a frequency point of a downlink channel of the second gateway node are a first frequency point
  • the device includes:
  • An access request message receiving module of the server configured to receive an access request message forwarded by the first gateway node, where the access request message is sent by the same-frequency terminal node to the first frequency point The first gateway node;
  • a second gateway node determining module located at the server, configured to determine, according to the access request message, a target second gateway node corresponding to the same-frequency terminal node;
  • An access response message sending module located at the server, is configured to send an access response message to the intra-frequency terminal node by using the target second gateway node at the first frequency point.
  • the communication network further includes: an inter-frequency terminal node, a frequency point of a downlink channel of the first gateway node and a frequency point of an uplink channel of the second gateway node are a second frequency point, the device Also includes:
  • a second gateway node selection request message receiving module located at the server, configured to receive a second gateway node selection request message sent by the at least one second gateway node, where the second gateway node selects a request message, by the different The frequency terminal node sends the second frequency point to the second gateway node according to the access request message; the access request message is sent by the same frequency terminal node to the different frequency at the first frequency point Terminal node
  • a target second gateway node determining module located at the server, configured to determine a target second gateway node according to the second gateway node selection request message
  • a corresponding relationship establishing module of the server configured to establish a correspondence between the target second gateway node and the same-frequency terminal node.
  • the target second gateway node determining module includes:
  • the target second gateway node determining submodule is configured to detect a signal quality of each of the second gateway nodes that forward the second gateway node selection request message, and determine a target second gateway node that has the best signal quality.
  • the second gateway node determining module includes:
  • the second gateway node is configured to search for a target second gateway node corresponding to the same-frequency terminal node in the preset correspondence table according to the access request message.
  • the embodiment of the present application further discloses a network access device of an intra-frequency terminal node, which is applied to a communication network, where the communication network includes: an intra-frequency terminal node, an inter-frequency terminal node, at least one first gateway node, and at least one second gateway.
  • a node and a server in communication with the at least one first gateway node and the at least one second gateway node; a frequency point of a receiving end of the inter-frequency terminal node, a frequency point of an uplink channel of the first gateway node, and The frequency of the downlink channel of the second gateway node is a first frequency point; the frequency point of the transmitting end of the inter-frequency terminal node, the frequency point of the downlink channel of the first gateway node, and the second gateway node
  • the frequency of the uplink channel is the second frequency point
  • the device includes:
  • An access request message receiving module that is located at the inter-frequency terminal node, configured to receive an access request message sent by the intra-frequency terminal node at the first frequency point;
  • a second gateway node selection request message generating module located at the inter-frequency terminal node, configured to generate a second gateway node selection request message according to the access request message;
  • a second gateway node selection request message sending module located at the inter-frequency terminal node, configured to send the second gateway node selection request message to the at least one second gateway node at the second frequency point;
  • At least one second gateway node is configured to send the second gateway node selection request message to the server;
  • the server is configured to determine, according to the received second gateway node selection request message, a target second gateway node, establish Corresponding relationship between the target second gateway node and the same-frequency terminal node; when receiving an access request message of the same-frequency terminal node, determining a target second gateway node corresponding to the same-frequency terminal node;
  • the incoming response message is sent to the intra-frequency terminal node at the first frequency point by the target second gateway node.
  • the second gateway node selection request message generating module includes:
  • An identity information determining submodule configured to determine identity identification information in the access request message
  • the identity information determining sub-module is configured to determine whether the identity information is pre-recorded
  • the second gateway node selection request message generating submodule is configured to generate a second gateway node selection request message according to the access request message if the identity identification information is pre-recorded.
  • the server is further configured to: when receiving the access request message of the intra-frequency terminal node, look up the target second gateway node corresponding to the same-frequency terminal node in the preset correspondence table.
  • the embodiment of the present application further discloses a correspondence table establishing apparatus, which is applied to a communication network, where the communication network includes: an intra-frequency terminal node, an inter-frequency terminal node, at least one first gateway node, and at least one second gateway node, and a server communicating with the at least one first gateway node and the at least one second gateway node; a frequency point of a receiving end of the inter-frequency terminal node, a frequency point of an uplink channel of the first gateway node, and the The frequency of the downlink channel of the second gateway node is a first frequency point, the frequency point of the transmitting end of the inter-frequency terminal node, the frequency point of the downlink channel of the first gateway node, and the uplink channel of the second gateway node.
  • the frequency point is the second frequency point
  • the device includes:
  • a second gateway node selection request message receiving module located at the server, configured to receive a second gateway node selection request message sent by the at least one second gateway node, where the second gateway node selects a request message, by the different
  • the frequency terminal node sends the second frequency node to the second gateway node according to the access request message; the access request message is sent by the same frequency terminal node to the networked inter-frequency at the first frequency point.
  • a target second gateway node determining module located at the server, configured to determine a target second gateway node according to the second gateway node selection request message
  • a corresponding relationship establishing module of the server configured to establish, in the preset correspondence table, a correspondence between the target second gateway node and the same-frequency terminal node.
  • the target second gateway node determining module includes:
  • the target second gateway node determining submodule is configured to detect a signal quality of each of the second gateway nodes that forward the second gateway node selection request message, and determine a target second gateway node that has the best signal quality.
  • the embodiment of the present application further discloses a correspondence table establishing apparatus, which is applied to a communication network, where the communication network includes: an intra-frequency terminal node, an inter-frequency terminal node, at least one first gateway node, and at least one second gateway node, and a server communicating with the at least one first gateway node and the at least one second gateway node; a frequency point of a receiving end of the inter-frequency terminal node, a frequency point of an uplink channel of the first gateway node, and the The frequency of the downlink channel of the second gateway node is a first frequency point; the frequency point of the transmitting end of the inter-frequency terminal node, the frequency point of the downlink channel of the first gateway node, and the uplink channel of the second gateway node The frequency point is the second frequency point, and the device includes:
  • An access request message receiving module that is located at the inter-frequency terminal node, configured to receive an access request message sent by the intra-frequency terminal node at the first frequency point;
  • a second gateway node selection request message generating module located at the inter-frequency terminal node, configured to generate a second gateway node selection request message according to the access request message;
  • a second gateway node selection request message sending module located at the inter-frequency terminal node, configured to send the second gateway node selection request message to the at least one second gateway node at the second frequency point; At least one second gateway node is configured to send the second gateway node selection request message to the server; the server is configured to determine, according to the received second gateway node selection request message, a target second gateway node, where Corresponding relationship between the target second gateway node and the same-frequency terminal node is established in the preset correspondence table.
  • the second gateway node selection request message generating module includes:
  • An identity information determining submodule configured to determine identity identification information in the access request message
  • the identity information determining sub-module is configured to determine whether the identity information is pre-recorded
  • the second gateway node selection request message generating submodule is configured to generate a second gateway node selection request message according to the access request message if the identity identification information is pre-recorded.
  • the embodiment of the present application also discloses an apparatus, including:
  • One or more processors are One or more processors.
  • One or more machine readable medium having stored thereon instructions that, when executed by the one or more processors, cause the apparatus to perform the method as described above.
  • Embodiments of the present application also disclose one or more machine-readable media having stored thereon instructions that, when executed by one or more processors, cause the apparatus to perform a method as described above.
  • the second gateway node that is optimal with respect to the same-frequency terminal node may be pre-recorded in the preset correspondence table.
  • the server may search for a target second gateway node corresponding to the same-frequency terminal node by using a preset correspondence table.
  • the same-frequency terminal node is not required to report the geographical location information, which can realize automatic network access, and does not need to modify the standard protocol of the same-frequency terminal node. It can be implemented under the existing LoRa WAN specification to ensure the same-frequency terminal. Node compatibility.
  • FIG. 1 is a schematic diagram of a LoRa mixing network of the present application
  • Embodiment 2 is a flow chart showing the steps of Embodiment 1 of a network access method for a co-frequency terminal node according to the present application;
  • Embodiment 3 is a flow chart showing the steps of Embodiment 2 of a network access method for a co-frequency terminal node according to the present application;
  • Embodiment 4 is a flow chart showing the steps of Embodiment 3 of a network access method for a co-frequency terminal node according to the present application;
  • Embodiment 1 of a correspondence table establishing method of the present application
  • Embodiment 6 is a flow chart showing the steps of Embodiment 2 of a correspondence table establishing method of the present application;
  • FIG. 7 is a schematic diagram of an intra-frequency terminal node accessing a LoRa mixing network in an embodiment of the present application
  • Embodiment 8 is a structural block diagram of Embodiment 1 of a network access device of an intra-frequency terminal node according to the present application;
  • Embodiment 9 is a structural block diagram of Embodiment 2 of a network access device of an intra-frequency terminal node according to the present application.
  • Embodiment 10 is a structural block diagram of Embodiment 3 of a network access device of an intra-frequency terminal node according to the present application;
  • Embodiment 11 is a structural block diagram of Embodiment 1 of a correspondence table establishing apparatus of the present application;
  • FIG. 12 is a structural block diagram of Embodiment 2 of a correspondence table establishing apparatus according to the present application.
  • FIG. 1 is a schematic diagram of a LoRa mixing network of the present application.
  • the LoRa mixing network may include: an intra-frequency terminal node, an inter-frequency terminal node, two types of inter-frequency gateway nodes, and two types of inter-frequency gateway node communication servers.
  • the working frequency of the intra-frequency terminal node to be connected to the network is referred to as a first frequency point, that is, the same-frequency terminal node receives the message and sends a message at the first frequency point.
  • the inter-frequency gateway node with the same frequency as the working frequency of the same-frequency terminal node is referred to as a first gateway node, and the frequency of the uplink channel of the first gateway node is the first frequency point, and the frequency of the downlink channel is Second frequency point. That is to say, the first gateway node may receive the message sent by the terminal node at the first frequency point, and may send a message to the terminal node at the second frequency point.
  • the inter-frequency gateway node whose frequency of the downlink channel is the same as the working frequency of the same-frequency terminal node is referred to as a second gateway node, and the frequency of the uplink channel of the second gateway node is the second frequency point, and the frequency of the downlink channel is First frequency point. That is to say, the second gateway node can receive the message sent by the terminal node at the second frequency point, and can send a message to the terminal node at the first frequency point.
  • the intra-frequency terminal node may send a message to the first gateway node at the first frequency point, and receive the message sent by the second gateway node at the first frequency point.
  • the inter-frequency terminal node may include: a first frequency point where the transmitting end frequency point is the first frequency point, a receiving end frequency point is the second frequency point, and the transmitting end frequency point is the second frequency. Point, the receiving end frequency point is the second inter-frequency terminal node of the first frequency point.
  • the first inter-frequency terminal node may send a message to the first gateway node at the first frequency point, and receive the message sent by the first gateway node at the second frequency point.
  • the second inter-frequency terminal node may send a message to the second gateway node at the second frequency point, and receive the message sent by the second gateway node at the first frequency point.
  • the following describes the method for accessing the same-frequency terminal node in the embodiment of the present application from the perspective of the same-frequency terminal node.
  • the network access method of the same-frequency terminal node in the embodiment of the present application may be applied to a communication network, where the communication network includes An intra-frequency terminal node, at least one first gateway node, at least one second gateway node, and a server in communication with the at least one first gateway node and the at least one second gateway node, the first gateway node
  • the frequency of the uplink channel and the frequency of the downlink channel of the second gateway node are the first frequency.
  • the method may specifically include the following steps:
  • Step 101 The intra-frequency terminal node sends an access request message to the first gateway node at the first frequency point.
  • the communication network of the embodiment of the present application is a LoRa network.
  • an access request message is first generated.
  • the same-frequency terminal node may send an access request message in a broadcast manner, and each first gateway node may receive an access request message on an uplink channel whose frequency point is the first frequency point.
  • the same-frequency terminal node may also send an access request message to the first gateway node in a multicast manner.
  • the first gateway node and the second gateway node may communicate with the same server.
  • the first gateway node can communicate with one server, the second gateway node can communicate with another server, and then the two servers communicate with each other.
  • Step 102 The intra-frequency terminal node receives an access response message returned by the target second gateway node at the first frequency point, where the target second gateway node is determined by the server and corresponding to the same-frequency terminal node.
  • the second gateway node the access response message is generated by the server according to the access request message forwarded by the first gateway node.
  • the first gateway node that receives the access request message sent by the intra-frequency terminal node sends an access request message to the server.
  • the server may determine, according to the AppEUI in the access request message (AppEUI is the global unique application ID of the IEEE EUI64, used to identify the application service provider of the terminal node device (etc.)) or other fields.
  • AppEUI is the global unique application ID of the IEEE EUI64, used to identify the application service provider of the terminal node device (etc.)
  • the access request message is from the same-frequency terminal node, and then the target second gateway node corresponding to the same-frequency terminal node is determined.
  • the server may store a correspondence between the intra-frequency terminal nodes of each network to be connected and the corresponding target second gateway node.
  • the target second gateway node may be a second gateway node that is searched by the server in the preset correspondence table and corresponding to the same-frequency terminal node.
  • the preset correspondence table records the correspondence between the intra-frequency terminal nodes of each network to be connected and the corresponding target second gateway node.
  • the server After finding the target second gateway node corresponding to the same-frequency terminal node, the server generates an access response message and sends an access response message to the target second gateway node, where the target second gateway node connects at the first frequency point.
  • the incoming response message is sent to the same-frequency terminal node, thereby completing the network access process of the same-frequency terminal node.
  • the target second gateway node that is optimal with respect to the same-frequency terminal node may be pre-recorded in the preset correspondence table.
  • the server may search for a target second gateway node corresponding to the same-frequency terminal node by using a preset correspondence table.
  • the same-frequency terminal node is not required to report the geographical location information, which can realize automatic network access, and does not need to modify the standard protocol of the same-frequency terminal node. It can be implemented under the existing LoRaWAN specification to ensure the same-frequency terminal node. Compatibility.
  • the communication network may further include: an inter-frequency terminal node, where the frequency of the receiving end of the inter-frequency terminal node is a first frequency point, and the frequency of the transmitting end frequency is a second frequency point;
  • the frequency of the downlink channel of the gateway node and the frequency of the uplink channel of the second gateway node are the second frequency points, and the method may further include:
  • the corresponding relationship between the intra-frequency terminal node and the target second gateway node may be assisted by the inter-frequency terminal node that has entered the network.
  • the same-frequency terminal node can send an access request message at the first frequency point by broadcasting, so the inter-frequency terminal node that has entered the network can receive the access request message at the first frequency point.
  • the inter-frequency terminal node may also receive an access request message directly sent by the intra-frequency terminal node.
  • the inter-frequency terminal node may first determine the identity and type of the sender of the access request message, if the sender and the pre-recorded identity information of the same-frequency terminal node (eg, DevEUI, global unique device ID) The matching and received message is an access request message, the inter-frequency terminal node generates a second gateway node selection request message, and broadcasts a second gateway node selection request message at the second frequency point.
  • identity information of the same-frequency terminal node eg, DevEUI, global unique device ID
  • the intra-frequency terminal node can be applied to a terminal node (such as a smart meter) in the Internet of Things.
  • a terminal node such as a smart meter
  • the user can carry the inter-frequency terminal node that has entered the network to move to the vicinity of the same-frequency terminal node, and set the receiving frequency of the inter-frequency terminal node to be the same as the working frequency of the same-frequency terminal node.
  • the identity information such as DevEUI
  • the second gateway node may receive the second gateway node selection request message at the second frequency point and forward the second gateway node selection request message to the server.
  • the server detects the signal quality of each second gateway node that forwards the second gateway node selection request message, and determines the target second gateway node with the best signal quality; the server may establish the target second gateway node and the same in the preset correspondence table. Correspondence relationship of frequency terminal nodes. Thereby adding or updating the correspondence between the target second gateway node and the intra-frequency terminal node.
  • the target second gateway node is actually the second gateway node with the best signal quality relative to the inter-frequency inter-frequency terminal node.
  • the inter-frequency terminal node that has entered the network can be placed in the vicinity of the same-frequency terminal node to be connected to the network. Therefore, the target second gateway node is also the second gateway node with the best signal quality relative to the same-frequency terminal node to be connected to the network.
  • LoRa terminal nodes can be divided into three categories: Class A/Class B/Class C.
  • Class A Two-way communication terminal node device. This type of terminal node device allows two-way communication, and each terminal node device uplink transmission is accompanied by two downlink reception windows.
  • the terminal node device to which Class A belongs has the lowest power consumption in application.
  • the server After the terminal node sends an uplink transmission signal, the server can perform downlink communication very quickly. At any time, the downlink communication of the server can only be after the uplink communication.
  • Class B A two-way communication terminal node device with a preset receiving slot. This type of terminal node device will open the extra receiving window in the preset time.
  • Class C Two-way communication terminal node device with the largest receiving slot. This type of terminal node device continues to open the receiving window and is only closed during transmission.
  • the intra-frequency terminal node to be connected to the network may be any one of Class A/Class B/Class C.
  • the inter-frequency terminal node that has been connected to the network can only use the Class C type, because the Class A/Class B type terminal node does not always receive the state, and only the Class C terminal node always receives the state.
  • the following describes the network access method of the intra-frequency terminal node in the embodiment of the present application from the perspective of the server.
  • FIG. 3 a flow chart of the method for the network access method of the same-frequency terminal node of the present application is shown in FIG. 3, and the network access method of the same-frequency terminal node in the embodiment of the present application can be applied to a communication network, where the communication network includes An intra-frequency terminal node, at least one first gateway node, at least one second gateway node, and a server in communication with said at least one first gateway node and said at least one second gateway node; said first gateway node The frequency of the uplink channel and the frequency of the downlink channel of the second gateway node are the first frequency.
  • the method may specifically include the following steps:
  • Step 201 The server receives an access request message forwarded by the first gateway node, where the access request message is sent by the intra-frequency terminal node to the first gateway node at the first frequency point;
  • the communication network of the embodiment of the present application is a LoRa communication network.
  • an access request message is first generated, and an access request message is broadcasted at the first frequency point.
  • the first gateway node may receive an access request message at the first frequency point.
  • Step 202 The server determines, according to the access request message, a target second gateway node corresponding to the same-frequency terminal node.
  • the server may determine, according to AppEUI or other fields in the access request message, that the access request message is from the same-frequency terminal node, and then determine the target second gateway node corresponding to the same-frequency terminal node. .
  • the step 202 may include: the server searching, in the preset correspondence table, the target second gateway node corresponding to the same-frequency terminal node according to the access request message.
  • the preset correspondence table records the correspondence between the intra-frequency terminal nodes of each network to be connected and the corresponding target second gateway node.
  • Step 203 The server sends an access response message to the intra-frequency terminal node by using the target second gateway node at the first frequency point.
  • the server After finding the target second gateway node corresponding to the same-frequency terminal node, the server generates an access response message.
  • the server sends an access response message to the target second gateway node, and the target second gateway node sends the access response message to the same-frequency terminal node at the first frequency point, thereby completing the network access process of the same-frequency terminal node.
  • the second gateway node that is optimal with respect to the same-frequency terminal node may be pre-recorded in the preset correspondence table.
  • the server may search for a target second gateway node corresponding to the same-frequency terminal node by using a preset correspondence table.
  • the same-frequency terminal node is not required to report the geographical location information, which can realize automatic network access, and does not need to modify the standard protocol of the same-frequency terminal node. It can be implemented under the existing LoRaWAN specification to ensure the same-frequency terminal node. Compatibility.
  • the communication network may further include: an inter-frequency terminal node, where a frequency point of the downlink channel of the first gateway node and a frequency point of an uplink channel of the second gateway node are second frequency points
  • the method further includes:
  • the server Receiving, by the server, a second gateway node selection request message sent by the multiple second gateway nodes; the second gateway node selecting a request message, where the inter-frequency terminal node is in the second frequency according to an access request message Sending the point to the second gateway node; the access request message is sent by the intra-frequency terminal node to the inter-frequency terminal node at the first frequency point;
  • the server establishes a correspondence between the target second gateway node and the same-frequency terminal node.
  • the second gateway node selection request message may be generated by the inter-frequency terminal node according to the access request message, and sent to the second gateway node at the second frequency point; the access request message may be generated by the same-frequency terminal node, and is in the first frequency The point is sent to the inter-frequency terminal node.
  • the server may detect the signal quality of each of the second gateway nodes forwarding the second gateway node selection request message, and determine the target second gateway node with the best signal quality.
  • the server may establish a correspondence between the target second gateway node and the same-frequency terminal node in the preset correspondence table.
  • the server After the server receives the access request message of the intra-frequency terminal node, if the correspondence between the intra-frequency terminal node and the corresponding target second gateway node is not recorded in the preset correspondence table, the server does not generate an access response message, and the same The frequency terminal node access failed.
  • the server After the server receives the access request message of the intra-frequency terminal node, if the corresponding correspondence table does not record the correspondence between the intra-frequency terminal node to be connected to the network and the corresponding target second gateway node, the server may be within a certain time window. Waiting for a second gateway node selection request message for the same frequency terminal is received.
  • the corresponding relationship between the intra-frequency terminal node and the target second gateway node is newly added according to the second gateway node selection request message, and then an access response message is generated and The target second gateway node sends an access response message.
  • the server does not generate an access response message, and the intra-frequency terminal node fails to access.
  • the following describes the network access method of the intra-frequency terminal node in the embodiment of the present application from the perspective of the network-inter-frequency terminal node.
  • FIG. 4 a flow chart of the steps of the network access method of the same-frequency terminal node of the present application is shown in FIG. 4, and the network access method of the same-frequency terminal node in the embodiment of the present application may be applied to a communication network, where the communication network includes An intra-frequency terminal node, an inter-frequency terminal node, at least one first gateway node, at least one second gateway node, and a server in communication with the at least one first gateway node and the at least one second gateway node; a frequency point of the receiving end of the inter-frequency terminal node, a frequency point of the uplink channel of the first gateway node, and a frequency point of the downlink channel of the second gateway node; the first frequency point; The frequency of the transmitting end, the frequency of the downlink channel of the first gateway node, and the frequency of the uplink channel of the second gateway node are the second frequency points.
  • the method may specifically include the following steps:
  • Step 301 The inter-frequency terminal node receives an access request message from the intra-frequency terminal node at the first frequency point.
  • the communication network of the embodiment of the present application is a LoRa communication network.
  • an access request message is first generated.
  • the same-frequency terminal node can send the request message at the first frequency point by broadcast or multicast.
  • the inter-frequency terminal can receive the access request message by listening to the first frequency point, or receive the access request message directly sent by the same-frequency terminal through unicast.
  • Step 302 The inter-frequency terminal node generates a second gateway node selection request message according to the access request message.
  • step 302 the following sub-steps may be included in step 302:
  • Sub-step S11 the inter-frequency terminal node determines identity identification information in the access request message
  • Sub-step S12 the inter-frequency terminal node determines whether the identity identification information is pre-recorded.
  • Sub-step S13 if yes, the inter-frequency terminal node generates a second gateway node selection request message according to the access request message.
  • Step 303 The inter-frequency terminal node sends the second gateway node selection request message to the at least one second gateway node at the second frequency point, where the at least one second gateway node is used to a second gateway node selection request message is sent to the server; the server is configured to determine a target second gateway node according to the received second gateway node selection request message, and establish the target second gateway node to be the same Corresponding relationship of the frequency terminal node; when receiving the access request message of the same-frequency terminal node, determining the target second gateway node corresponding to the same-frequency terminal node, and passing the access response message to the target second gateway The node is sent to the intra-frequency terminal node at a first frequency point.
  • the server may detect the signal quality of each second gateway node that forwards the second gateway node selection request message, and determine the target second gateway node with the best signal quality, and establish the target second gateway node and the same frequency terminal in the preset correspondence table. The correspondence of nodes.
  • the server may determine the target second gateway node corresponding to the intra-frequency terminal node.
  • the server may search for a target second gateway node corresponding to the same-frequency terminal node in the preset correspondence table.
  • the target second gateway node sends an access response message to the same-frequency terminal node at the first frequency point, thereby completing the network access process.
  • the target second-party gateway node with the best signal quality of the same-frequency terminal node of the network to be accessed is assisted by the network-inter-frequency terminal node.
  • the server receives the access request message of the same-frequency terminal node, in the preset correspondence table, the target second gateway node corresponding to the same-frequency terminal node is searched, and an access response message is generated; the access response message is passed through the target.
  • the second gateway node is sent to the same-frequency terminal node at the first frequency point, thereby completing the access process.
  • the network access method of the same-frequency terminal node in the embodiment of the present application may be applied to a communication network, where the communication network includes: a terminal node, a frequency terminal node, at least one first gateway node, at least one second gateway node, and a server in communication with the at least one first gateway node and the at least one second gateway node; the inter-frequency terminal node
  • the frequency of the receiving end, the frequency of the uplink channel of the first gateway node, and the frequency of the downlink channel of the second gateway node are the first frequency points, and the frequency of the transmitting end of the inter-frequency terminal node
  • the frequency of the downlink channel of the first gateway node and the frequency of the uplink channel of the second gateway node are the second frequency points.
  • the method may specifically include the following steps:
  • Step 401 The server receives a second gateway node selection request message sent by the at least one second gateway node, where the second gateway node selects a request message, where the inter-frequency terminal node is in accordance with the access request message.
  • the second frequency point is sent to the second gateway node;
  • the access request message is sent by the intra-frequency terminal node to the inter-frequency terminal node at the first frequency point;
  • the communication network of the embodiment of the present application is a LoRa communication network.
  • the second gateway node selection request message may be generated by the inter-frequency terminal node according to the access request message, and sent to the second gateway node at the second frequency point; the access request message may be generated by the same-frequency terminal node, and is in the first frequency The point is sent to the inter-frequency terminal node.
  • Step 402 The server determines, according to the second gateway node selection request message, a target second gateway node.
  • the server may detect the signal quality of each of the second gateway nodes that forward the second gateway node selection request message, and determine the target second gateway node with the best signal quality.
  • Step 403 The server establishes a correspondence between the target second gateway node and the same-frequency terminal node in a preset correspondence table.
  • the network access method of the same-frequency terminal node in the embodiment of the present application may be applied to a communication network, where the communication network includes: a terminal node, an inter-frequency terminal node, at least one first gateway node, at least one second gateway node, and a server in communication with the at least one first gateway node and the at least one second gateway node; the inter-frequency terminal a frequency point of the receiving end of the node, a frequency point of the uplink channel of the first gateway node, and a frequency point of the downlink channel of the second gateway node; a frequency point of the transmitting end of the inter-frequency terminal node,
  • the frequency of the downlink channel of the first gateway node and the frequency of the uplink channel of the second gateway node are the second frequency points.
  • the method may specifically include the following steps:
  • Step 501 The inter-frequency terminal node receives an access request message from the intra-frequency terminal node at the first frequency point.
  • the communication network of the embodiment of the present application is a LoRa communication network.
  • the access request message is first generated, and the access request message is sent at the first frequency point by means of broadcast.
  • the networked inter-frequency terminal node receives the access request message sent by the intra-frequency terminal node at the first frequency point.
  • Step 502 The inter-frequency terminal node generates a second gateway node selection request message according to the access request message.
  • the step 502 may include the following sub-steps:
  • Sub-step S21 the inter-frequency terminal node determines identity identification information in the access request message
  • Sub-step S22 the inter-frequency terminal node determines whether the identity identification information is pre-recorded
  • Sub-step S23 if yes, the inter-frequency terminal node generates a second gateway node selection request message according to the access request message.
  • Step 503 The inter-frequency terminal node sends the second gateway node selection request message to the at least one second gateway node at the second frequency point, where the at least one second gateway node is used to a second gateway node selection request message is sent to the server; the server is configured to determine the target second gateway node according to the received second gateway node selection request message, and establish the target second in the preset correspondence table. Correspondence between the gateway node and the same-frequency terminal node.
  • the server may detect the signal quality of each second gateway node that forwards the second gateway node selection request message, and determine the target second gateway node with the best signal quality, and establish the target second gateway node and the same frequency terminal in the preset correspondence table. The correspondence of nodes.
  • FIG. 7 is a schematic diagram of an intra-frequency terminal node accessing a LoRa mixing network according to an embodiment of the present application.
  • the LoRa mixing network includes: an intra-frequency terminal node to be connected to the network, an inter-frequency terminal node, an uplink gateway node, a downlink gateway node, and a server that have entered the network.
  • the working frequency of the same-frequency terminal node is the first frequency point f1; the frequency of the receiving end of the inter-frequency terminal node is the first frequency point f1, the transmitting end frequency point is the second frequency point f2; the frequency of the uplink channel of the uplink gateway node
  • the frequency of the downlink channel of the point and the downlink gateway node is the first frequency point f1; the frequency point of the downlink channel of the uplink gateway node and the frequency of the uplink channel of the row gateway node are the second frequency point f2.
  • an access request message is first generated, and then the access request message is broadcasted at the first frequency point f1.
  • the uplink gateway node receives the access request message at the first frequency point f1 and forwards the access request message to the server.
  • the server determines, according to the AppEUI or other field in the access request message, that the access request message is from the same-frequency terminal node, and then in the preset co-frequency terminal node and the downlink gateway node correspondence table, the query corresponds to the same-frequency terminal node.
  • the target downstream gateway node If the query obtains a related record, the server generates an access response message and sends an access response message to the target downstream gateway node. If the query is not available, the server does not generate an access response message.
  • the target downlink gateway node sends the access response message to the same-frequency terminal node at the first frequency point f1, thereby completing the network access process.
  • the co-frequency terminal node and the downlink gateway node correspondence table may be added and updated through the inter-frequency terminal node.
  • the user can pre-set the receiving end frequency point to the first frequency point at the inter-frequency terminal node, and add the identity information of the same-frequency terminal node device (such as DevEUI) to be connected to the network.
  • the inter-frequency terminal node is a Class C type LoRa terminal node.
  • the inter-frequency terminal node receives the access request message broadcast by the intra-frequency terminal node at the first frequency point f1, and the inter-frequency terminal node determines whether the identity and type of the access request message satisfy the condition, if the identity and the pre-recorded intra-frequency terminal node If the identity information matches and the received message is an access request message, the inter-frequency terminal node generates a downlink gateway node selection request message and broadcasts a downlink gateway node selection request message at the second frequency point.
  • the plurality of downlink gateway nodes may receive the downlink gateway node selection request message at the second frequency point f2, and forward the downlink gateway node selection request message to the server.
  • the server detects the signal quality of the plurality of downlink gateway nodes that forward the downlink gateway node selection request message, and determines the target downlink gateway node with the optimal signal.
  • the server establishes a correspondence between the intra-frequency terminal node and the target downlink gateway node in the correspondence table of the intra-frequency terminal node and the downlink gateway node.
  • Embodiment 1 of a network access device of an intra-frequency terminal node of the present application is shown.
  • the device is applied to a communication network, and the communication network may include: an intra-frequency terminal node and at least one first gateway. a node, at least one second gateway node, and a server in communication with the at least one first gateway node and the at least one second gateway node; a frequency point of an uplink channel of the first gateway node and the second gateway
  • the frequency of the downlink channel of the node is the first frequency point
  • the device may specifically include the following modules:
  • the communication network of the embodiment of the present application is a LoRa communication network.
  • An access response message receiving module 602 located at the same frequency terminal node, configured to receive an access response message returned by the target second gateway node at the first frequency point; the target second gateway node determines the server a second gateway node corresponding to the same-frequency terminal node; the access response message is generated by the server according to the access request message forwarded by the first gateway node.
  • the communication network may further include: an inter-frequency terminal node, where a frequency point of the downlink channel of the first gateway node and a frequency point of an uplink channel of the second gateway node are second frequency points
  • the device may further include:
  • a second access request message sending module located at the same frequency terminal node, configured to send the access request message to the inter-frequency terminal node at the first frequency point; And sending, by the second access point, a second gateway node selection request message to the at least one second gateway node according to the access request message; the at least one second gateway node is configured to use the second gateway node Selecting a request message to be forwarded to the server; the server is configured to determine, according to the received second gateway node selection request message, a target second gateway node, and establish the target second gateway node and the same-frequency terminal node Correspondence relationship.
  • the target second gateway node is a second gateway node that is searched by the server in the preset correspondence table and corresponding to the same-frequency terminal node.
  • Embodiment 2 of a network access device of an intra-frequency terminal node of the present application is shown.
  • the device is applied to a communication network, and the communication network may include: an intra-frequency terminal node and at least one first gateway. a node, at least one second gateway node, and a server in communication with the at least one first gateway node and the at least one second gateway node; a frequency point of an uplink channel of the first gateway node and the second gateway
  • the frequency of the downlink channel of the node is the first frequency point
  • the device may specifically include the following modules:
  • An access request message receiving module 701, located at the server, is configured to receive an access request message forwarded by the first gateway node, where the access request message is sent by the intra-frequency terminal node at the first frequency point To the first gateway node;
  • the communication network of the embodiment of the present application is a LoRa communication network.
  • a second gateway node determining module 702 located at the server, configured to determine, according to the access request message, a target second gateway node corresponding to the same-frequency terminal node;
  • the access response message sending module 703 of the server is configured to send an access response message to the intra-frequency terminal node by using the target second gateway node at the first frequency point.
  • the communication network may further include: an inter-frequency terminal node, where a frequency point of the downlink channel of the first gateway node and a frequency point of an uplink channel of the second gateway node are second frequency points
  • the device may further include:
  • a second gateway node selection request message receiving module located at the server, configured to receive a second gateway node selection request message sent by the multiple second gateway nodes, where the second gateway node selects a request message, by the different The frequency terminal node sends the second frequency point to the second gateway node according to the access request message; the access request message is sent by the same frequency terminal node to the different frequency at the first frequency point Terminal node
  • a target second gateway node determining module located at the server, configured to determine a target second gateway node according to the second gateway node selection request message
  • a corresponding relationship establishing module of the server configured to establish a correspondence between the target second gateway node and the same-frequency terminal node.
  • the target second gateway node determining module may include:
  • the target second gateway node determining submodule is configured to detect a signal quality of each of the second gateway nodes that forward the second gateway node selection request message, and determine a target second gateway node that has the best signal quality.
  • the second gateway node determining module 702 may include:
  • the second gateway node is configured to search for a target second gateway node corresponding to the same-frequency terminal node in the preset correspondence table according to the access request message.
  • Embodiment 3 of a network access device of an intra-frequency terminal node of the present application is shown.
  • the device is applied to a communication network, and the communication network may include: a same-frequency terminal node, an inter-frequency terminal node, At least one first gateway node, at least one second gateway node, and a server in communication with the at least one first gateway node and the at least one second gateway node; a frequency point of the receiving end of the inter-frequency terminal node a frequency point of the uplink channel of the first gateway node and a frequency point of the downlink channel of the second gateway node are a first frequency point; a frequency point of the transmitting end of the inter-frequency terminal node, and a downlink of the first gateway node
  • the frequency of the channel and the frequency of the uplink channel of the second gateway node are the second frequency.
  • the device may specifically include the following modules:
  • the communication network of the embodiment of the present application is a LoRa communication network.
  • a second gateway node selection request message generating module 802 located at the inter-frequency terminal node, configured to generate a second gateway node selection request message according to the access request message;
  • a second gateway node selection request message sending module 803 located at the inter-frequency terminal node, configured to send the second gateway node selection request message to the at least one second gateway node at the second frequency point;
  • Said at least one second gateway node is configured to send the second gateway node selection request message to the server;
  • the server is configured to determine a target second gateway node according to the received second gateway node selection request message, Establishing a correspondence between the target second gateway node and the same-frequency terminal node; when receiving an access request message of the same-frequency terminal node, determining a target second gateway node corresponding to the same-frequency terminal node;
  • the access response message is sent to the intra-frequency terminal node at the first frequency point by the target second gateway node.
  • the second gateway node selection request message generating module 802 may include:
  • An identity information determining submodule configured to determine identity identification information in the access request message
  • the identity information determining sub-module is configured to determine whether the identity information is pre-recorded
  • the second gateway node selection request message generating submodule is configured to generate a second gateway node selection request message according to the access request message if the identity identification information is pre-recorded.
  • the server is further configured to: when receiving the access request message of the intra-frequency terminal node, look up the target second gateway node corresponding to the same-frequency terminal node in the preset correspondence table.
  • Embodiment 1 of a correspondence table establishing apparatus of the present application is shown.
  • the apparatus is applied to a communication network, and the communication network may include: an intra-frequency terminal node, an inter-frequency terminal node, and at least one a gateway node, at least one second gateway node, and a server in communication with the at least one first gateway node and the at least one second gateway node; a frequency point of the receiving end of the inter-frequency terminal node, the first
  • the frequency point of the uplink channel of the gateway node and the frequency point of the downlink channel of the second gateway node are the first frequency point, the frequency point of the transmitting end of the inter-frequency terminal node, and the frequency of the downlink channel of the first gateway node
  • the frequency of the uplink channel of the second gateway node is a second frequency point
  • the device may specifically include the following modules:
  • a second gateway node selection request message receiving module 901 located at the server, configured to receive a second gateway node selection request message sent by the at least one second gateway node, where the second gateway node selects a request message, by the The inter-frequency terminal node sends the second frequency node to the second gateway node according to the access request message; the access request message is sent by the intra-frequency terminal node to the Incoming network inter-frequency terminal node;
  • the communication network of the embodiment of the present application is a LoRa communication network.
  • a target second gateway node determining module 902 located at the server, configured to determine a target second gateway node according to the second gateway node selection request message;
  • the corresponding relationship establishing module 903 of the server is configured to establish, in the preset correspondence table, a correspondence between the target second gateway node and the same-frequency terminal node.
  • the target second gateway node determining module 902 may include:
  • the target second gateway node determining submodule is configured to detect a signal quality of each of the second gateway nodes that forward the second gateway node selection request message, and determine a target second gateway node that has the best signal quality.
  • Embodiment 2 of a correspondence table establishing apparatus of the present application is shown.
  • the apparatus is applied to a communication network, and the communication network may include: an intra-frequency terminal node, an inter-frequency terminal node, and at least one a gateway node, at least one second gateway node, and a server in communication with the at least one first gateway node and the at least one second gateway node; a frequency point of the receiving end of the inter-frequency terminal node, the first The frequency point of the uplink channel of the gateway node and the frequency point of the downlink channel of the second gateway node are the first frequency point; the frequency point of the transmitting end of the inter-frequency terminal node, and the frequency of the downlink channel of the first gateway node
  • the frequency of the uplink channel of the second gateway node is a second frequency point
  • the device may specifically include the following modules:
  • the communication network of the embodiment of the present application is a LoRa communication network.
  • a second gateway node selection request message generating module 1002 located at the inter-frequency terminal node, configured to generate a second gateway node selection request message according to the access request message;
  • a second gateway node selection request message sending module 1003 located at the inter-frequency terminal node, configured to send the second gateway node selection request message to the at least one second gateway node at the second frequency point; Said at least one second gateway node is configured to send the second gateway node selection request message to the server; the server is configured to determine a target second gateway node according to the received second gateway node selection request message, Corresponding relationship between the target second gateway node and the same-frequency terminal node is established in a preset correspondence table.
  • the second gateway node selection request message generating module 1002 may include:
  • An identity information determining submodule configured to determine identity identification information in the access request message
  • the identity information determining sub-module is configured to determine whether the identity information is pre-recorded
  • the second gateway node selection request message generating submodule is configured to generate a second gateway node selection request message according to the access request message if the identity identification information is pre-recorded.
  • the description is relatively simple, and the relevant parts can be referred to the description of the method embodiment.
  • Embodiments of the present application also provide an apparatus, including: one or more processors; and one or more machine-readable media having instructions stored thereon, when executed by the one or more processors, The apparatus performs the method described in the embodiments of the present application.
  • the embodiments of the present application further provide one or more machine readable mediums having instructions stored thereon that, when executed by one or more processors, cause the apparatus to perform the methods described in the embodiments of the present application.
  • embodiments of the embodiments of the present application can be provided as a method, apparatus, or computer program product. Therefore, the embodiments of the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware. Moreover, embodiments of the present application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • Embodiments of the present application are described with reference to flowcharts and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the present application. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG.
  • These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor or other programmable data processing terminal device to produce a machine such that instructions are executed by a processor of a computer or other programmable data processing terminal device
  • Means are provided for implementing the functions specified in one or more of the flow or in one or more blocks of the flow chart.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing terminal device to operate in a particular manner, such that instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the instruction device implements the functions specified in one or more blocks of the flow or in a flow or block diagram of the flowchart.

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Abstract

一种同频终端节点的入网方法和装置,应用于通信网络,该方法包括:同频终端节点在第一频点,向第一网关节点发送接入请求消息;同频终端节点在第一频点接收目标第二网关节点返回的接入响应消息;目标第二网关节点为服务器确定的与同频终端节点对应的第二网关节点;接入响应消息由服务器依据第一网关节点转发的接入请求消息生成。

Description

一种同频终端节点的入网方法和装置
本申请要求2017年09月06日递交的申请号为201710797468.1、发明名称为“一种同频终端节点的入网方法和装置”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信技术领域,特别是涉及一种同频终端节点的入网方法、一种同频终端节点的入网装置、一种对应表建立方法和一种对应表建立装置。
背景技术
LoRa网络是低功耗广域网LPWAN(Low Power Wide Area Network)中的一种。LoRa网络包括:终端节点、LoRa网关节点(或称LoRa基站)和服务器。
由两类LoRa异频网关节点交错部署,并且可以同时兼容LoRa异频终端节点和LoRa同频终端节点的网络,可以称为LoRa混频网络。异频网关节点是指上行信道与下行信道严格区分的网关节点。LoRa混频网络中的第一类网关节点的上行信道的频点对应着第二类网关节点的下行信道的频点,第一类网关节点的下行信道的频点对应着第二类网关节点的上行信道的频点。
对于LoRa同频终端节点来说,其工作频点所在的位置在第一类网关节点的上行信道范围内,以及第二类网关节点的下行信道范围内。
但目前的入网方法存在无法选择合适的网关节点、自动化程度较低、兼容性较弱等问题。
发明内容
鉴于上述问题,提出了本申请实施例以便提供一种克服上述问题或者至少部分地解决上述问题的一种同频终端节点的入网方法、一种同频终端节点的入网装置、一种对应表建立方法和一种对应表建立装置。
为了解决上述问题,本申请实施例公开了一种同频终端节点的入网方法,应用于通信网络,所述通信网络包括:同频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述第一网关节点的上行信道的频点与所述第二网关节点的下行信道的频点为第一频 点,所述方法包括:
所述同频终端节点在所述第一频点,向所述第一网关节点发送接入请求消息;
所述同频终端节点在所述第一频点接收目标第二网关节点返回的接入响应消息;所述目标第二网关节点为所述服务器确定的与所述同频终端节点对应的第二网关节点;所述接入响应消息由所述服务器依据所述第一网关节点转发的所述接入请求消息生成。
优选的,所述通信网络还包括:异频终端节点,所述第一网关节点的下行信道的频点与所述第二网关节点的上行信道的频点为第二频点,所述的方法还包括:
所述同频终端节点在所述第一频点,向所述异频终端节点发送所述接入请求消息;所述异频终端节点用于依据所述接入请求消息在所述第二频点,向所述至少一个第二网关节点发送第二网关节点选择请求消息;所述至少一个第二网关节点用于将所述第二网关节点选择请求消息转发至所述服务器;所述服务器用于根据接收到的所述第二网关节点选择请求消息确定所述目标第二网关节点,建立所述目标第二网关节点与所述同频终端节点的对应关系。
优选的,所述目标第二网关节点为所述服务器在预设对应表中查找的与所述同频终端节点对应的第二网关节点。
本申请实施例还公开了一种同频终端节点的入网方法,应用于通信网络,所述通信网络包括:同频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述第一网关节点的上行信道的频点与所述第二网关节点的下行信道的频点为第一频点,所述方法包括:
所述服务器接收所述第一网关节点转发的接入请求消息,所述接入请求消息由所述同频终端节点在所述第一频点发送至所述第一网关节点;
所述服务器依据所述接入请求消息,确定与所述同频终端节点对应的目标第二网关节点;
所述服务器通过所述目标第二网关节点在所述第一频点,将接入响应消息发送至所述同频终端节点。
优选的,所述通信网络还包括:异频终端节点,所述第一网关节点的下行信道的频点与所述第二网关节点的上行信道的频点为第二频点,所述的方法还包括:
所述服务器接收所述至少一个第二网关节点发送的第二网关节点选择请求消息;所述第二网关节点选择请求消息,由所述异频终端节点依据接入请求消息在所述第二频点发送至所述第二网关节点;所述接入请求消息由所述同频终端节点在所述第一频点发送 至所述异频终端节点;
所述服务器依据所述第二网关节点选择请求消息确定目标第二网关节点;
所述服务器建立所述目标第二网关节点与所述同频终端节点的对应关系。
优选的,所述服务器依据所述第二网关节点选择请求消息确定目标第二网关节点的步骤包括:
所述服务器检测各个转发所述第二网关节点选择请求消息的第二网关节点的信号质量,并确定信号质量最优的目标第二网关节点。
优选的,所述服务器依据所述接入请求消息,确定与所述同频终端节点对应的目标第二网关节点的步骤包括:
所述服务器依据所述接入请求消息,在预设对应表中查找与所述同频终端节点对应的目标第二网关节点。
本申请实施例还公开了一种同频终端节点的入网方法,应用于通信网络,所述通信网络包括:同频终端节点、异频终端节点、至少一个第一网关节点,至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述异频终端节点的接收端的频点、所述第一网关节点的上行信道的频点以及所述第二网关节点的下行信道的频点为第一频点;所述异频终端节点的发送端的频点、所述第一网关节点的下行信道的频点以及所述第二网关节点的上行信道的频点为第二频点,所述方法包括:
所述异频终端节点在所述第一频点接收来自所述同频终端节点的接入请求消息;
所述异频终端节点依据所述接入请求消息生成第二网关节点选择请求消息;
所述异频终端节点在所述第二频点,向所述至少一个第二网关节点发送所述第二网关节点选择请求消息;所述至少一个第二网关节点用于将所述第二网关节点选择请求消息发送至所述服务器;所述服务器用于根据接收到的所述第二网关节点选择请求消息确定目标第二网关节点,建立所述目标第二网关节点与所述同频终端节点的对应关系;当接收到同频终端节点的接入请求消息时,确定查找与所述同频终端节点对应的目标第二网关节点;将接入响应消息通过所述目标第二网关节点,在第一频点发送至所述同频终端节点。
优选的,所述异频终端节点依据所述接入请求消息生成第二网关节点选择请求消息的步骤包括:
所述异频终端节点确定所述接入请求消息中的身份标识信息;
所述异频终端节点,判断所述身份标识信息是否预先记录;
若是,则所述异频终端节点依据所述接入请求消息生成第二网关节点选择请求消息。
优选的,所述服务器还用于当接收到同频终端节点的接入请求消息时,在预设对应表中查找与所述同频终端节点对应的目标第二网关节点。
本申请实施例还公开了一种对应表建立方法,应用于通信网络,所述通信网络包括:同频终端节点、异频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述异频终端节点的接收端的频点、所述第一网关节点的上行信道的频点以及所述第二网关节点的下行信道的频点为第一频点,所述异频终端节点的发送端的频点、所述第一网关节点的下行信道的频点以及所述第二网关节点的上行信道的频点为第二频点,所述方法包括:
所述服务器接收所述至少一个第二网关节点发送的第二网关节点选择请求消息;所述第二网关节点选择请求消息,由所述异频终端节点依据接入请求消息在所述第二频点发送至所述第二网关节点;所述接入请求消息由所述同频终端节点在所述第一频点发送至所述异频终端节点;
所述服务器根据所述第二网关节点选择请求消息确定目标第二网关节点;
所述服务器在预设对应表中建立所述目标第二网关节点与所述同频终端节点的对应关系。
优选的,所述服务器依据所述第二网关节点选择请求消息确定目标第二网关节点的步骤包括:
所述服务器检测各个转发所述第二网关节点选择请求消息的第二网关节点的信号质量,并确定信号质量最优的目标第二网关节点。
本申请实施例还公开了一种对应表建立方法,应用于通信网络,所述通信网络包括:同频终端节点、异频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述异频终端节点的接收端的频点、所述第一网关节点的上行信道的频点以及所述第二网关节点的下行信道的频点为第一频点;所述异频终端节点的发送端的频点、所述第一网关节点的下行信道的频点以及所述第二网关节点的上行信道的频点为第二频点,所述方法包括:
所述异频终端节点在所述第一频点接收来自所述同频终端节点的接入请求消息;
所述异频终端节点依据所述接入请求消息生成第二网关节点选择请求消息;
所述异频终端节点在所述第二频点,向所述至少一个第二网关节点发送所述第二网 关节点选择请求消息;所述至少一个第二网关节点用于将所述第二网关节点选择请求消息发送至所述服务器;所述服务器用于根据接收到的所述第二网关节点选择请求消息确定目标第二网关节点,在预设对应表中建立所述目标第二网关节点与所述同频终端节点的对应关系。
优选的,所述异频终端节点依据所述接入请求消息生成第二网关节点选择请求消息的步骤包括:
所述异频终端节点确定所述接入请求消息中的身份标识信息;
所述异频终端节点,判断所述身份标识信息是否预先记录;
若是,则所述异频终端节点依据所述接入请求消息生成第二网关节点选择请求消息。
本申请实施例还公开了一种同频终端节点的入网装置,应用于通信网络,所述通信网络包括:同频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述第一网关节点的上行信道的频点与所述第二网关节点的下行信道的频点为第一频点,所述装置包括:
位于所述同频终端节点的第一接入请求消息发送模块,用于在所述第一频点,向所述第一网关节点发送接入请求消息;
位于所述同频终端节点的接入响应消息接收模块,用于在所述第一频点接收目标第二网关节点返回的接入响应消息;所述目标第二网关节点为所述服务器确定的与所述同频终端节点对应的第二网关节点;所述接入响应消息由所述服务器依据所述第一网关节点转发的所述接入请求消息生成。
优选的,所述通信网络还包括:异频终端节点,所述第一网关节点的下行信道的频点与所述第二网关节点的上行信道的频点为第二频点,所述的装置还包括:
位于所述同频终端节点的第二接入请求消息发送模块,用于在所述第一频点,向所述异频终端节点发送所述接入请求消息;所述异频终端节点用于依据所述接入请求消息在所述第二频点,向所述至少一个第二网关节点发送第二网关节点选择请求消息;所述至少一个第二网关节点用于将所述第二网关节点选择请求消息转发至所述服务器;所述服务器用于检测所述根据接收到的所述第二网关节点选择请求消息确定目标第二网关节点,建立所述目标第二网关节点与所述同频终端节点的对应关系。
优选的,所述目标第二网关节点为所述服务器在预设对应表中查找的与所述同频终端节点对应的第二网关节点。
本申请实施例还公开了一种同频终端节点的入网装置,应用于通信网络,所述通信 网络包括:同频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述第一网关节点的上行信道的频点与所述第二网关节点的下行信道的频点为第一频点,所述装置包括:
位于所述服务器的接入请求消息接收模块,用于接收所述第一网关节点转发的接入请求消息,所述接入请求消息由所述同频终端节点在所述第一频点发送至所述第一网关节点;
位于所述服务器的第二网关节点确定模块,用于依据所述接入请求消息,确定与所述同频终端节点对应的目标第二网关节点;
位于所述服务器的接入响应消息发送模块,用于通过所述目标第二网关节点在所述第一频点,将接入响应消息发送至所述同频终端节点。
优选的,所述通信网络还包括:异频终端节点,所述第一网关节点的下行信道的频点与所述第二网关节点的上行信道的频点为第二频点,所述的装置还包括:
位于所述服务器的第二网关节点选择请求消息接收模块,用于接收所述至少一个第二网关节点发送的第二网关节点选择请求消息;所述第二网关节点选择请求消息,由所述异频终端节点依据接入请求消息在所述第二频点发送至所述第二网关节点;所述接入请求消息由所述同频终端节点在所述第一频点发送至所述异频终端节点;
位于所述服务器的目标第二网关节点确定模块,用于依据所述第二网关节点选择请求消息确定目标第二网关节点;
位于所述服务器的对应关系建立模块,用于建立所述目标第二网关节点与所述同频终端节点的对应关系。
优选的,所述目标第二网关节点确定模块包括:
目标第二网关节点确定子模块,用于检测各个转发所述第二网关节点选择请求消息的第二网关节点的信号质量,并确定信号质量最优的目标第二网关节点。
优选的,所述第二网关节点确定模块包括:
第二网关节点查找子模块,用于依据所述接入请求消息,在预设对应表中查找与所述同频终端节点对应的目标第二网关节点。
本申请实施例还公开了一种同频终端节点的入网装置,应用于通信网络,所述通信网络包括:同频终端节点、异频终端节点、至少一个第一网关节点,至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述异频终端节点的接收端的频点、所述第一网关节点的上行信道的频点以及所述第二 网关节点的下行信道的频点为第一频点;所述异频终端节点的发送端的频点、所述第一网关节点的下行信道的频点以及所述第二网关节点的上行信道的频点为第二频点,所述装置包括:
位于所述异频终端节点的接入请求消息接收模块,用于在所述第一频点接收所述同频终端节点发送的接入请求消息;
位于所述异频终端节点的第二网关节点选择请求消息生成模块,用于依据所述接入请求消息生成第二网关节点选择请求消息;
位于所述异频终端节点的第二网关节点选择请求消息发送模块,用于在所述第二频点,向所述至少一个第二网关节点发送所述第二网关节点选择请求消息;所述至少一个第二网关节点用于将所述第二网关节点选择请求消息发送至所述服务器;所述服务器用于根据接收到的所述第二网关节点选择请求消息确定目标第二网关节点,建立所述目标第二网关节点与所述同频终端节点的对应关系;当接收到同频终端节点的接入请求消息时,确定与所述同频终端节点对应的目标第二网关节点;将接入响应消息通过所述目标第二网关节点,在第一频点发送至所述同频终端节点。
优选的,所述第二网关节点选择请求消息生成模块包括:
身份标识信息确定子模块,用于确定所述接入请求消息中的身份标识信息;
身份标识信息判断子模块,用于判断所述身份标识信息是否预先记录;
第二网关节点选择请求消息生成子模块,用于若所述身份标识信息是预先记录,则依据所述接入请求消息生成第二网关节点选择请求消息。
优选的,所述服务器还用于当接收到同频终端节点的接入请求消息时,在预设对应表中查找与所述同频终端节点对应的目标第二网关节点。
本申请实施例还公开了一种对应表建立装置,应用于通信网络,所述通信网络包括:同频终端节点、异频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述异频终端节点的接收端的频点、所述第一网关节点的上行信道的频点以及所述第二网关节点的下行信道的频点为第一频点,所述异频终端节点的发送端的频点、所述第一网关节点的下行信道的频点以及所述第二网关节点的上行信道的频点为第二频点,所述装置包括:
位于所述服务器的第二网关节点选择请求消息接收模块,用于接收所述至少一个第二网关节点发送的第二网关节点选择请求消息;所述第二网关节点选择请求消息,由所述异频终端节点依据接入请求消息在所述第二频点发送至所述第二网关节点;所述接入 请求消息由所述同频终端节点在所述第一频点发送至已入网异频终端节点;
位于所述服务器的目标第二网关节点确定模块,用于根据所述第二网关节点选择请求消息确定目标第二网关节点;
位于所述服务器的对应关系建立模块,用于在预设对应表中建立所述目标第二网关节点与所述同频终端节点的对应关系。
优选的,所述目标第二网关节点确定模块包括:
目标第二网关节点确定子模块,用于检测各个转发所述第二网关节点选择请求消息的第二网关节点的信号质量,并确定信号质量最优的目标第二网关节点。
本申请实施例还公开了一种对应表建立装置,应用于通信网络,所述通信网络包括:同频终端节点、异频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述异频终端节点的接收端的频点、所述第一网关节点的上行信道的频点以及所述第二网关节点的下行信道的频点为第一频点;所述异频终端节点的发送端的频点、所述第一网关节点的下行信道的频点以及所述第二网关节点的上行信道的频点为第二频点,所述装置包括:
位于所述异频终端节点的接入请求消息接收模块,用于在所述第一频点接收所述同频终端节点发送的接入请求消息;
位于所述异频终端节点的第二网关节点选择请求消息生成模块,用于依据所述接入请求消息生成第二网关节点选择请求消息;
位于所述异频终端节点的第二网关节点选择请求消息发送模块,用于在所述第二频点,向所述至少一个第二网关节点发送所述第二网关节点选择请求消息;所述至少一个第二网关节点用于将所述第二网关节点选择请求消息发送至所述服务器;所述服务器用于根据接收到的所述第二网关节点选择请求消息确定目标第二网关节点,在预设对应表中建立所述目标第二网关节点与所述同频终端节点的对应关系。
优选的,所述第二网关节点选择请求消息生成模块包括:
身份标识信息确定子模块,用于确定所述接入请求消息中的身份标识信息;
身份标识信息判断子模块,用于判断所述身份标识信息是否预先记录;
第二网关节点选择请求消息生成子模块,用于若所述身份标识信息是预先记录,则依据所述接入请求消息生成第二网关节点选择请求消息。
本申请实施例还公开了一种装置,包括:
一个或多个处理器;和
其上存储有指令的一个或多个机器可读介质,当由所述一个或多个处理器执行时,使得所述装置执行如上所述的方法。
本申请实施例还公开了一个或多个机器可读介质,其上存储有指令,当由一个或多个处理器执行时,使得装置执行如如上所述的方法。
本申请实施例包括以下优点:
在本申请实施例中,预设对应表中可以预先记录有相对同频终端节点最优的第二网关节点。服务器可以通过预设对应表,查找与同频终端节点对应的目标第二网关节点。整个入网过程中,不依赖同频终端节点上报地理位置信息,可以实现自动化入网,并且不需要修改同频终端节点的标准协议,可以在现有的LoRa WAN的规范下实现,保证了同频终端节点的兼容性。
附图说明
图1是本申请的LoRa混频网络的示意图;
图2是本申请的一种同频终端节点的入网方法实施例1的步骤流程图;
图3是本申请的一种同频终端节点的入网方法实施例2的步骤流程图;
图4是本申请的一种同频终端节点的入网方法实施例3的步骤流程图;
图5是本申请的一种对应表建立方法实施例1的步骤流程图;
图6是本申请的一种对应表建立方法实施例2的步骤流程图;
图7是本申请实施例中一种同频终端节点接入LoRa混频网络的示意图;
图8是本申请的一种同频终端节点的入网装置实施例1的结构框图;
图9是本申请的一种同频终端节点的入网装置实施例2的结构框图;
图10是本申请的一种同频终端节点的入网装置实施例3的结构框图;
图11是本申请的一种对应表建立装置实施例1的结构框图;
图12是本申请的一种对应表建立装置实施例2的结构框图。
具体实施方式
为使本申请的上述目的、特征和优点能够更加明显易懂,下面结合附图和具体实施方式对本申请作进一步详细的说明。
如图1所示为本申请的LoRa混频网络的示意图。在本申请实施例中,LoRa混频网 络可以包括:同频终端节点、异频终端节点、两种类型的异频网关节点,以及与两种类型的异频网关节点通信服务器。在本申请实施例中,将待入网的同频终端节点的工作频点称为第一频点,也就是说同频终端节点在第一频点接收消息和发送消息。
将上行信道的频点与同频终端节点的工作频点相同的异频网关节点称为第一网关节点,第一网关节点的上行信道的频点为第一频点,下行信道的频点为第二频点。也就是说第一网关节点可以在第一频点接收终端节点发送的消息,可以在第二频点向终端节点发送消息。
将下行信道的频点与同频终端节点的工作频点相同的异频网关节点称为第二网关节点,第二网关节点的上行信道的频点为第二频点,下行信道的频点为第一频点。也就是说第二网关节点可以在第二频点接收终端节点发送的消息,可以在第一频点向终端节点发送消息。
同频终端节点可以在第一频点向第一网关节点发送消息,在第一频点接收第二网关节点发送的消息。
在本申请实施例中,异频终端节点可以包括:发送端频点为第一频点,接收端频点为第二频点的第一异频终端节点,以及发送端频点为第二频点,接收端频点为第一频点的第二异频终端节点。
第一异频终端节点可以在第一频点向第一网关节点发送消息,在第二频点接收该第一网关节点发送的消息。
第二异频终端节点可以在第二频点向第二网关节点发送消息,在第一频点接收该第二网关节点发送的消息。
以下,从同频终端节点的角度描述了本申请实施例的同频终端节点的入网方法。
参照图2,示出了本申请的一种同频终端节点的入网方法实施例1的步骤流程图,本申请实施例的同频终端节点的入网方法可以应用于通信网络,所述通信网络包括:同频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器,所述第一网关节点的上行信道的频点与所述第二网关节点的下行信道的频点为第一频点,所述方法具体可以包括如下步骤:
步骤101,所述同频终端节点在所述第一频点,向所述第一网关节点发送接入请求消息;
本申请实施例的通信网络为LoRa网络。当同频终端节点需要入网时,首先生成接入请求消息。
实际上,同频终端节点可以以广播的方式发送接入请求消息,各个第一网关节点可以在频点为第一频点的上行信道接收到接入请求消息。
同频终端节点也可以以组播的方式,向第一网关节点发送接入请求消息。
在本申请实施例中,第一网关节点和第二网关节点可以与同一台服务器通信。
第一网关节点可以与一个服务器通信,第二网关节点可以与另一个服务器通信,然后这两个服务器之间相互通信。
步骤102,所述同频终端节点在所述第一频点接收目标第二网关节点返回的接入响应消息;所述目标第二网关节点为所述服务器确定的与所述同频终端节点对应的第二网关节点;所述接入响应消息由所述服务器依据所述第一网关节点转发的所述接入请求消息生成。
接收到同频终端节点发送的接入请求消息的第一网关节点,会将接入请求消息发送至服务器。
服务器在接收到接入请求消息后,可以根据接入请求消息中的AppEUI(AppEUI是IEEE EUI64的全球唯一应用ID,用以识别终端节点设备的应用服务提供商(等等))或其他字段判断出该接入请求消息是来自同频终端节点,然后确定与同频终端节点对应的目标第二网关节点。
服务器中可以保存有各个待入网的同频终端节点与对应目标第二网关节点的对应关系。
在本申请实施例中,所述目标第二网关节点可以为所述服务器在预设对应表中查找的与所述同频终端节点对应的第二网关节点。
预设对应表中记录有各个待入网的同频终端节点与对应目标第二网关节点的对应关系。
服务器在查找到与同频终端节点对应的目标第二网关节点后,生成接入响应消息并将接入响应消息发送至目标第二网关节点,由目标第二网关节点在第一频点将接入响应消息发送至同频终端节点,从而完成同频终端节点的入网过程。
在本申请实施例中,预设对应表中可以预先记录有相对同频终端节点最优的目标第二网关节点。服务器可以通过预设对应表,查找与同频终端节点对应的目标第二网关节点。整个入网过程中,不依赖同频终端节点上报地理位置信息,可以实现自动化入网, 并且不需要修改同频终端节点的标准协议,可以在现有的LoRaWAN的规范下实现,保证了同频终端节点的兼容性。
在本申请实施例中,所述通信网络还可以包括:异频终端节点,所述异频终端节点的接收端频点为第一频点,发送端频点为第二频点;所述第一网关节点的下行信道的频点与所述第二网关节点的上行信道的频点为第二频点,所述的方法还可以包括:
所述同频终端节点在所述第一频点,向所述异频终端节点发送所述接入请求消息;所述异频终端节点用于依据所述接入请求消息在所述第二频点,向所述至少一个第二网关节点发送第二网关节点选择请求消息;所述至少一个第二网关节点用于将所述第二网关节点选择请求消息转发至所述服务器;所述服务器用于根据接收到的所述第二网关节点选择请求消息确定目标第二网关节点,建立所述目标第二网关节点与所述同频终端节点的对应关系。
在本申请实施例中,可以通过已入网的异频终端节点协助建议同频终端节点与目标第二网关节点的对应关系。
同频终端节点可以通过广播在第一频点发送接入请求消息,所以已入网的异频终端节点可以在第一频点接收到接入请求消息。异频终端节点也可以接收同频终端节点直接发送的接入请求消息。
异频终端节点在接收到接入请求消息后,可以先判断接入请求消息的发送方身份和类型,如果发送方与预先记录的同频终端节点的身份信息(如:DevEUI,全局唯一设备ID)匹配并且接收到的消息是接入请求消息,则异频终端节点生成第二网关节点选择请求消息,并在第二频点广播第二网关节点选择请求消息。
在实际中,同频终端节点可以是应用于物联网中终端节点(如智能电表)。当需要令同频终端节点入网时,使用者可以携带已入网的异频终端节点移动至同频终端节点附近,将异频终端节点的接收频点设置为与同频终端节点的工作频点相同,并在异频终端节点中输入需要入网的同频终端节点的身份信息(如DevEUI),以供异频终端节点验证。
第二网关节点可以在第二频点接收到第二网关节点选择请求消息,并将第二网关节点选择请求消息转发至服务器。服务器检测各个转发第二网关节点选择请求消息的第二网关节点的信号质量,并确定信号质量最优的目标第二网关节点;服务器可以在预设对应表中,建立目标第二网关节点与同频终端节点的对应关系。从而新增或更新目标第二网关节点与同频终端节点的对应关系。
如上所述,目标第二网关节点其实是相对已入网的异频终端节点而言,信号质量最 优的第二网关节点。但在使用过程中,已入网的异频终端节点可以放在在待入网的同频终端节点附近使用。因此,目标第二网关节点相对待入网的同频终端节点也是信号质量最优的第二网关节点。
在实际中,LoRa终端节点可以分为:Class A/Class B/Class C三类。
Class A:双向通信终端节点设备。这一类的终端节点设备允许双向通信,每一个终端节点设备上行传输会伴随着两个下行接收窗口。Class A所属的终端节点设备在应用时功耗最低,终端节点发送一个上行传输信号后,服务器能很迅速地进行下行通信,任何时候,服务器的下行通信都只能在上行通信之后。
Class B:具有预设接收槽的双向通信终端节点设备。这一类的终端节点设备会在预设时间中开放多余的接收窗口。
Class C:具有最大接收槽的双向通信终端节点设备。这一类的终端节点设备持续开放接收窗口,只在传输时关闭。
在本申请实施例中,待入网的同频终端节点可以是Class A/Class B/Class C三类中的任意一种。而已入网的异频终端节点只能选用Class C类型,原因是Class A/Class B类型终端节点并不是一直保持接收状态的,而只有Class C类型终端节点一直接收状态。
以下,从服务器的角度描述了本申请实施例的同频终端节点的入网方法。
参照图3,示出了本申请的一种同频终端节点的入网方法实施例2的步骤流程图,本申请实施例的同频终端节点的入网方法可以应用于通信网络,所述通信网络包括:同频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述第一网关节点的上行信道的频点与所述第二网关节点的下行信道的频点为第一频点,所述方法具体可以包括如下步骤:
步骤201,所述服务器接收所述第一网关节点转发的接入请求消息,所述接入请求消息由所述同频终端节点在所述第一频点发送至所述第一网关节点;
本申请实施例的通信网络为LoRa通信网络。
当同频终端节点需要入网时,首先生成接入请求消息,并在第一频点广播接入请求消息。第一网关节点可以在第一频点接收到接入请求消息。
步骤202,所述服务器依据所述接入请求消息,确定与所述同频终端节点对应的目标第二网关节点;
服务器在接收到接入请求消息后,可以根据接入请求消息中的AppEUI或其他字段判断出该接入请求消息是来自同频终端节点,然后确定与同频终端节点对应的目标第二网关节点。
在本申请实施例中,所述步骤202可以包括:所述服务器依据所述接入请求消息,在预设对应表中查找与所述同频终端节点对应的目标第二网关节点。
预设对应表中记录有各个待入网的同频终端节点与对应目标第二网关节点的对应关系。
步骤203,所述服务器通过所述目标第二网关节点在所述第一频点,将接入响应消息发送至所述同频终端节点。
服务器在查找到与同频终端节点对应的目标第二网关节点后,生成接入响应消息。
服务器将接入响应消息发送至目标第二网关节点,由目标第二网关节点在第一频点将接入响应消息发送至同频终端节点,从而完成同频终端节点的入网过程。
在本申请实施例中,预设对应表中可以预先记录有相对同频终端节点最优的第二网关节点。服务器可以通过预设对应表,查找与同频终端节点对应的目标第二网关节点。整个入网过程中,不依赖同频终端节点上报地理位置信息,可以实现自动化入网,并且不需要修改同频终端节点的标准协议,可以在现有的LoRaWAN的规范下实现,保证了同频终端节点的兼容性。
在本申请实施例中,所述通信网络还可以包括:异频终端节点,所述第一网关节点的下行信道的频点与所述第二网关节点的上行信道的频点为第二频点,所述的方法还包括:
所述服务器接收所述多个第二网关节点发送的第二网关节点选择请求消息;所述第二网关节点选择请求消息,由所述异频终端节点依据接入请求消息在所述第二频点发送至所述第二网关节点;所述接入请求消息由所述同频终端节点在所述第一频点发送至所述异频终端节点;
所述服务器依据所述第二网关节点选择请求消息确定目标第二网关节点;
所述服务器建立所述目标第二网关节点与所述同频终端节点的对应关系。
第二网关节点选择请求消息可以由异频终端节点依据接入请求消息生成,并在第二频点发送至第二网关节点;接入请求消息可以由同频终端节点生成,并在第一频点发送至异频终端节点。
服务器可以检测各个转发第二网关节点选择请求消息的第二网关节点的信号质量, 并确定信号质量最优的目标第二网关节点。
服务器可以在预设对应表中建立目标第二网关节点与同频终端节点的对应关系。
在本申请实施例的一种示例中。当服务器接收到同频终端节点的接入请求消息后,如果预设对应表中没有记录该同频终端节点与对应目标第二网关节点的对应关系,则服务器不会生成接入响应消息,同频终端节点接入失败。
在本申请实施例的另一种示例中。当服务器接收到同频终端节点的接入请求消息后,如果预设对应表中没有记录待入网的同频终端节点与对应目标第二网关节点的对应关系,则服务器可以在一定的时间窗口内等待是否接收到针对该同频终端的第二网关节点选择请求消息。
如果在时间窗口内接收到第二网关节点选择请求消息,则根据该第二网关节点选择请求消息,新增同频终端节点与目标第二网关节点的对应关系,然后生成接入响应消息并向目标第二网关节点发送接入响应消息。
如果在时间窗口内未接收到第二网关节点选择请求消息,服务器不会生成接入响应消息,同频终端节点接入失败。
以下,从已入网异频终端节点的角度描述了本申请实施例的同频终端节点的入网方法。
参照图4,示出了本申请的一种同频终端节点的入网方法实施例3的步骤流程图,本申请实施例的同频终端节点的入网方法可以应用于通信网络,所述通信网络包括:同频终端节点、异频终端节点、至少一个第一网关节点,至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述异频终端节点的接收端的频点、所述第一网关节点的上行信道的频点以及所述第二网关节点的下行信道的频点为第一频点;所述已入网异频终端节点的发送端的频点、所述第一网关节点的下行信道的频点以及所述第二网关节点的上行信道的频点为第二频点,所述方法具体可以包括如下步骤:
步骤301,所述异频终端节点在所述第一频点接收来自所述同频终端节点的接入请求消息;
本申请实施例的通信网络为LoRa通信网络。
当同频终端节点需要入网时,首先生成接入请求消息。同频终端节点可以通过广播或组播在第一频点发送请求消息。异频终端可以通过监听第一频点来接收接入请求消息, 或接收同频终端通过单播直接发送的接入请求消息。
步骤302,所述异频终端节点依据所述接入请求消息生成第二网关节点选择请求消息;
在申请实施例中,在步骤302可以包括如下子步骤:
子步骤S11,所述异频终端节点确定所述接入请求消息中的身份标识信息;
子步骤S12,所述异频终端节点,判断所述身份标识信息是否预先记录。
子步骤S13,若是,则所述异频终端节点依据所述接入请求消息生成第二网关节点选择请求消息。
步骤303,所述异频终端节点在所述第二频点,向所述至少一个第二网关节点发送所述第二网关节点选择请求消息;所述至少一个第二网关节点用于将所述第二网关节点选择请求消息发送至所述服务器;所述服务器用于根据接收到的所述第二网关节点选择请求消息确定目标第二网关节点,建立所述目标第二网关节点与所述同频终端节点的对应关系;当接收到同频终端节点的接入请求消息时,确定与所述同频终端节点对应的目标第二网关节点,并将接入响应消息通过所述目标第二网关节点,在第一频点发送至所述同频终端节点。
服务器可以检测各个转发第二网关节点选择请求消息的第二网关节点的信号质量,并确定信号质量最优的目标第二网关节点,在预设对应表中建立目标第二网关节点与同频终端节点的对应关系。
当服务器接收到接入请求消息时,服务器可以确定与同频终端节点对应的目标第二网关节点。
在本申请实施例中,服务器可以在预设对应表中查找与所述同频终端节点对应的目标第二网关节点。
若查找得到,则生成接入响应消息,并将接入响应消息发送给目标第二网关节点。
目标第二网关节点在第一频点将接入响应消息发送给同频终端节点,从而完成入网过程。
在本申请实施例中,通过已入网异频终端节点,协助确定相对待入网的同频终端节点信号质量最优的目标第二网关节点。当服务器接收到同频终端节点的接入请求消息时,在预设对应表中,查找与同频终端节点对应的目标第二网关节点,并生成接入响应消息;将接入响应消息通过目标第二网关节点,在第一频点发送至同频终端节点,从而完成接入过程。
以下,从服务器的角度描述了本申请实施例中预设对应表的建立方法。
参照图5,示出了本申请的一种对应表建立方法实施例1的步骤流程图,本申请实施例的同频终端节点的入网方法可以应用于通信网络,所述通信网络包括:同频终端节点、频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述异频终端节点的接收端的频点、所述第一网关节点的上行信道的频点以及所述第二网关节点的下行信道的频点为第一频点,所述异频终端节点的发送端的频点、所述第一网关节点的下行信道的频点以及所述第二网关节点的上行信道的频点为第二频点,所述方法具体可以包括如下步骤:
步骤401,所述服务器接收所述至少一个第二网关节点发送的第二网关节点选择请求消息;所述第二网关节点选择请求消息,由所述异频终端节点依据接入请求消息在所述第二频点发送至所述第二网关节点;所述接入请求消息由所述同频终端节点在所述第一频点发送至所述异频终端节点;
本申请实施例的通信网络为LoRa通信网络。
第二网关节点选择请求消息可以由异频终端节点依据接入请求消息生成,并在第二频点发送至第二网关节点;接入请求消息可以由同频终端节点生成,并在第一频点发送至异频终端节点。
步骤402,所述服务器根据所述第二网关节点选择请求消息确定目标第二网关节点;
服务器可以检测各个转发第二网关节点选择请求消息的第二网关节点的信号质量,并确定信号质量最优的目标第二网关节点。
步骤403,所述服务器在预设对应表中建立所述目标第二网关节点与所述同频终端节点的对应关系。
以下,从已入网异频终端节点的角度描述了本申请实施例中预设对应表的建立方法。
参照图6,示出了本申请的一种对应表建立方法实施例2的步骤流程图,本申请实施例的同频终端节点的入网方法可以应用于通信网络,所述通信网络包括:同频终端节点、异频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述异频终端节点的接收端的频点、所述第一网关节点的上行信道的频点以及所述第二网关节点的下行信道的 频点为第一频点;所述异频终端节点的发送端的频点、所述第一网关节点的下行信道的频点以及所述第二网关节点的上行信道的频点为第二频点,所述方法具体可以包括如下步骤:
步骤501,所述异频终端节点在所述第一频点接收来自所述同频终端节点的接入请求消息;
本申请实施例的通信网络为LoRa通信网络。
当同频终端节点需要入网时,首先生成接入请求消息,并通过广播的方式在第一频点发送接入请求消息。
已入网异频终端节点在第一频点接收同频终端节点发送的接入请求消息。
步骤502,所述异频终端节点依据所述接入请求消息生成第二网关节点选择请求消息;
在本申请实施例中,所述步骤502可以包括如下子步骤:
子步骤S21,所述异频终端节点确定所述接入请求消息中的身份标识信息;
子步骤S22,所述异频终端节点,判断所述身份标识信息是否预先记录;
子步骤S23,若是,则所述异频终端节点依据所述接入请求消息生成第二网关节点选择请求消息。
步骤503,所述异频终端节点在所述第二频点,向所述至少一个第二网关节点发送所述第二网关节点选择请求消息;所述至少一个第二网关节点用于将所述第二网关节点选择请求消息发送至所述服务器;所述服务器用于根据接收到的所述第二网关节点选择请求消息确定目标第二网关节点,在预设对应表中建立所述目标第二网关节点与所述同频终端节点的对应关系。
服务器可以检测各个转发第二网关节点选择请求消息的第二网关节点的信号质量,并确定信号质量最优的目标第二网关节点,在预设对应表中建立目标第二网关节点与同频终端节点的对应关系。
为了使本领域技术人员能够更好地理解本发明实施例,下面通过一个例子对本发明实施例加以说明:
参照图7所示为本申请实施例中一种同频终端节点接入LoRa混频网络的示意图。其中,LoRa混频网络包括:待入网的同频终端节点,已入网的异频终端节点、上行网关节点、下行网关节点以及服务器。
同频终端节点的工作频点为第一频点f1;异频终端节点的接收端频点为第一频点f1,发送端频点为第二频点f2;上行网关节点的上行信道的频点与下行网关节点的下行信道的频点为第一频点f1;上行网关节点的下行信道的频点与行网关节点的上行信道的频点为第二频点f2。
当同频终端节点需要加入LoRa混频网络时,首先生成接入请求消息,然后在第一频点f1广播接入请求消息。
上行网关节点在第一频点f1接收接入请求消息,并将接入请求消息转发至服务器。
服务器根据接入请求消息中的AppEUI或其他字段,判断该接入请求消息是来自同频终端节点,然后在预设的同频终端节点与下行网关节点对应表中,查询与同频终端节点对应的目标下行网关节点。如果查询得到相关记录,则服务器生成接入响应消息,并将接入响应消息发送至该目标下行网关节点。如果查询不到,则服务器不生成接入响应消息。
目标下行网关节点在第一频点f1,将接入响应消息发送至同频终端节点,从而完成入网过程。
同频终端节点与下行网关节点对应表可以通过异频终端节点进行新增和更新。
使用者可以在异频终端节点预先设置接收端频点为第一频点,并添加待入网的同频终端节点设备身份信息(如DevEUI)。异频终端节点为Class C类型的LoRa终端节点。
异频终端节点在第一频点f1接收同频终端节点广播的接入请求消息,异频终端节点判断接入请求消息的身份和类型是否满足条件,如果身份与预先记录的同频终端节点的身份信息匹配并且接收到的消息是接入请求消息,则异频终端节点生成下行网关节点选择请求消息,并在第二频点广播下行网关节点选择请求消息。
多个下行网关节点可以在第二频点f2接收到下行网关节点选择请求消息,并将下行网关节点选择请求消息转发至服务器。
服务器检测转发下行网关节点选择请求消息的多个下行网关节点的信号质量,并确定信号最优的目标下行网关节点。服务器在同频终端节点与下行网关节点对应表,建立同频终端节点与目标下行网关节点的对应关系。
需要说明的是,对于方法实施例,为了简单描述,故将其都表述为一系列的动作组合,但是本领域技术人员应该知悉,本申请实施例并不受所描述的动作顺序的限制,因为依据本申请实施例,某些步骤可以采用其他顺序或者同时进行。其次,本领域技术人 员也应该知悉,说明书中所描述的实施例均属于优选实施例,所涉及的动作并不一定是本申请实施例所必须的。
参照图8,示出了本申请的一种同频终端节点的入网装置实施例1的结构框图,该装置应用于通信网络,所述通信网络可以包括:同频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述第一网关节点的上行信道的频点与所述第二网关节点的下行信道的频点为第一频点,所述装置具体可以包括如下模块:
位于所述同频终端节点的第一接入请求消息发送模块601,用于在所述第一频点,向所述第一网关节点发送接入请求消息;
本申请实施例的通信网络为LoRa通信网络。
位于所述同频终端节点的接入响应消息接收模块602,用于在所述第一频点接收目标第二网关节点返回的接入响应消息;所述目标第二网关节点为所述服务器确定的与所述同频终端节点对应的第二网关节点;所述接入响应消息由所述服务器依据所述第一网关节点转发的所述接入请求消息生成。
在本申请实施例中,所述通信网络还可以包括:异频终端节点,所述第一网关节点的下行信道的频点与所述第二网关节点的上行信道的频点为第二频点,所述的装置还可以包括:
位于所述同频终端节点的第二接入请求消息发送模块,用于在所述第一频点,向所述异频终端节点发送所述接入请求消息;所述异频终端节点用于依据所述接入请求消息在所述第二频点,向所述至少一个第二网关节点发送第二网关节点选择请求消息;所述至少一个第二网关节点用于将所述第二网关节点选择请求消息转发至所述服务器;所述服务器用于根据接收到的所述第二网关节点选择请求消息确定目标第二网关节点,建立所述目标第二网关节点与所述同频终端节点的对应关系。
在本申请实施例中,所述目标第二网关节点为所述服务器在预设对应表中查找的与所述同频终端节点对应的第二网关节点。
参照图9,示出了本申请的一种同频终端节点的入网装置实施例2的结构框图,该装置应用于通信网络,所述通信网络可以包括:同频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节 点通信的服务器;所述第一网关节点的上行信道的频点与所述第二网关节点的下行信道的频点为第一频点,所述装置具体可以包括如下模块:
位于所述服务器的接入请求消息接收模块701,用于接收所述第一网关节点转发的接入请求消息,所述接入请求消息由所述同频终端节点在所述第一频点发送至所述第一网关节点;
本申请实施例的通信网络为LoRa通信网络。
位于所述服务器的第二网关节点确定模块702,用于依据所述接入请求消息,确定与所述同频终端节点对应的目标第二网关节点;
位于所述服务器的接入响应消息发送模块703,用于通过所述目标第二网关节点在所述第一频点,将接入响应消息发送至所述同频终端节点。
在本申请实施例中,所述通信网络还可以包括:异频终端节点,所述第一网关节点的下行信道的频点与所述第二网关节点的上行信道的频点为第二频点,所述的装置还可以包括:
位于所述服务器的第二网关节点选择请求消息接收模块,用于接收所述多个第二网关节点发送的第二网关节点选择请求消息;所述第二网关节点选择请求消息,由所述异频终端节点依据接入请求消息在所述第二频点发送至所述第二网关节点;所述接入请求消息由所述同频终端节点在所述第一频点发送至所述异频终端节点;
位于所述服务器的目标第二网关节点确定模块,用于依据所述第二网关节点选择请求消息确定目标第二网关节点;
位于所述服务器的对应关系建立模块,用于建立所述目标第二网关节点与所述同频终端节点的对应关系。
在本申请实施例中,所述目标第二网关节点确定模块可以包括:
目标第二网关节点确定子模块,用于检测各个转发所述第二网关节点选择请求消息的第二网关节点的信号质量,并确定信号质量最优的目标第二网关节点。
在本申请实施例中,所述第二网关节点确定模块702可以包括:
第二网关节点查找子模块,用于依据所述接入请求消息,在预设对应表中查找与所述同频终端节点对应的目标第二网关节点。
参照图10,示出了本申请的一种同频终端节点的入网装置实施例3的结构框图,该装置应用于通信网络,所述通信网络可以包括:同频终端节点、异频终端节点、至少一 个第一网关节点,至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述异频终端节点的接收端的频点、所述第一网关节点的上行信道的频点以及所述第二网关节点的下行信道的频点为第一频点;所述异频终端节点的发送端的频点、所述第一网关节点的下行信道的频点以及所述第二网关节点的上行信道的频点为第二频点,所述装置具体可以包括如下模块:
位于所述异频终端节点的接入请求消息接收模块801,用于在所述第一频点接收所述同频终端节点发送的接入请求消息;
本申请实施例的通信网络为LoRa通信网络。
位于所述异频终端节点的第二网关节点选择请求消息生成模块802,用于依据所述接入请求消息生成第二网关节点选择请求消息;
位于所述异频终端节点的第二网关节点选择请求消息发送模块803,用于在所述第二频点,向所述至少一个第二网关节点发送所述第二网关节点选择请求消息;所述至少一个第二网关节点用于将所述第二网关节点选择请求消息发送至所述服务器;所述服务器用于根据接收到的所述第二网关节点选择请求消息确定目标第二网关节点,建立所述目标第二网关节点与所述同频终端节点的对应关系;当接收到同频终端节点的接入请求消息时,确定与所述同频终端节点对应的目标第二网关节点;将接入响应消息通过所述目标第二网关节点,在第一频点发送至所述同频终端节点。
在本申请实施例中,所述第二网关节点选择请求消息生成模块802可以包括:
身份标识信息确定子模块,用于确定所述接入请求消息中的身份标识信息;
身份标识信息判断子模块,用于判断所述身份标识信息是否预先记录;
第二网关节点选择请求消息生成子模块,用于若所述身份标识信息是预先记录,则依据所述接入请求消息生成第二网关节点选择请求消息。
在本申请实施例中,所述服务器还用于当接收到同频终端节点的接入请求消息时,在预设对应表中查找与所述同频终端节点对应的目标第二网关节点。
参照图11,示出了本申请的一种对应表建立装置实施例1的结构框图,该装置应用于通信网络,所述通信网络可以包括:同频终端节点、异频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述异频终端节点的接收端的频点、所述第一网关节点的上行信道的频点以及所述第二网关节点的下行信道的频点为第一频点,所述异频终端节点 的发送端的频点、所述第一网关节点的下行信道的频点以及所述第二网关节点的上行信道的频点为第二频点,所述装置具体可以包括如下模块:
位于所述服务器的第二网关节点选择请求消息接收模块901,用于接收所述至少一个第二网关节点发送的第二网关节点选择请求消息;所述第二网关节点选择请求消息,由所述异频终端节点依据接入请求消息在所述第二频点发送至所述第二网关节点;所述接入请求消息由所述同频终端节点在所述第一频点发送至所述已入网异频终端节点;
本申请实施例的通信网络为LoRa通信网络。
位于所述服务器的目标第二网关节点确定模块902,用于根据所述第二网关节点选择请求消息确定目标第二网关节点;
位于所述服务器的对应关系建立模块903,用于在预设对应表中建立所述目标第二网关节点与所述同频终端节点的对应关系。
在本申请实施例中,所述目标第二网关节点确定模块902可以包括:
目标第二网关节点确定子模块,用于检测各个转发所述第二网关节点选择请求消息的第二网关节点的信号质量,并确定信号质量最优的目标第二网关节点。
参照图12,示出了本申请的一种对应表建立装置实施例2的结构框图,该装置应用于通信网络,所述通信网络可以包括:同频终端节点、异频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述异频终端节点的接收端的频点、所述第一网关节点的上行信道的频点以及所述第二网关节点的下行信道的频点为第一频点;所述异频终端节点的发送端的频点、所述第一网关节点的下行信道的频点以及所述第二网关节点的上行信道的频点为第二频点,所述装置具体可以包括如下模块:
位于所述异频终端节点的接入请求消息接收模块1001,用于在所述第一频点接收所述同频终端节点发送的接入请求消息;
本申请实施例的通信网络为LoRa通信网络。
位于所述异频终端节点的第二网关节点选择请求消息生成模块1002,用于依据所述接入请求消息生成第二网关节点选择请求消息;
位于所述异频终端节点的第二网关节点选择请求消息发送模块1003,用于在所述第二频点,向所述至少一个第二网关节点发送所述第二网关节点选择请求消息;所述至少一个第二网关节点用于将所述第二网关节点选择请求消息发送至所述服务器;所述服务 器用于根据接收到的所述第二网关节点选择请求消息确定目标第二网关节点,在预设对应表中建立所述目标第二网关节点与所述同频终端节点的对应关系。
在本申请实施例中,所述第二网关节点选择请求消息生成模块1002可以包括:
身份标识信息确定子模块,用于确定所述接入请求消息中的身份标识信息;
身份标识信息判断子模块,用于判断所述身份标识信息是否预先记录;
第二网关节点选择请求消息生成子模块,用于若所述身份标识信息是预先记录,则依据所述接入请求消息生成第二网关节点选择请求消息。
对于装置实施例而言,由于其与方法实施例基本相似,所以描述的比较简单,相关之处参见方法实施例的部分说明即可。
本申请实施例还提供了一种装置,包括:一个或多个处理器;和其上存储有指令的一个或多个机器可读介质,当由所述一个或多个处理器执行时,使得所述装置执行本申请实施例所述的方法。
本申请实施例还提供了一个或多个机器可读介质,其上存储有指令,当由一个或多个处理器执行时,使得装置执行本申请实施例所述的方法。
本说明书中的各个实施例均采用递进的方式描述,每个实施例重点说明的都是与其他实施例的不同之处,各个实施例之间相同相似的部分互相参见即可。
本领域内的技术人员应明白,本申请实施例的实施例可提供为方法、装置、或计算机程序产品。因此,本申请实施例可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且,本申请实施例可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本申请实施例是参照根据本申请实施例的方法、终端设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理终端设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理终端设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方 框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理终端设备以特定方式工作的计算机可读存储器中,使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理终端设备上,使得在计算机或其他可编程终端设备上执行一系列操作步骤以产生计算机实现的处理,从而在计算机或其他可编程终端设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
尽管已描述了本申请实施例的优选实施例,但本领域内的技术人员一旦得知了基本创造性概念,则可对这些实施例做出另外的变更和修改。所以,所附权利要求意欲解释为包括优选实施例以及落入本申请实施例范围的所有变更和修改。
最后,还需要说明的是,在本文中,诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者终端设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者终端设备所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括所述要素的过程、方法、物品或者终端设备中还存在另外的相同要素。
以上对本申请所提供的一种同频终端节点的入网方法、一种同频终端节点的入网装置、一种对应表建立方法和一种对应表建立装置,进行了详细介绍,本文中应用了具体个例对本申请的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本申请的方法及其核心思想;同时,对于本领域的一般技术人员,依据本申请的思想,在具体实施方式及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本申请的限制。

Claims (30)

  1. 一种同频终端节点的入网方法,其特征在于,应用于通信网络,所述通信网络包括:同频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述第一网关节点的上行信道的频点与所述第二网关节点的下行信道的频点为第一频点,所述方法包括:
    所述同频终端节点在所述第一频点,向所述第一网关节点发送接入请求消息;
    所述同频终端节点在所述第一频点接收目标第二网关节点返回的接入响应消息;所述目标第二网关节点为所述服务器确定的与所述同频终端节点对应的第二网关节点;所述接入响应消息由所述服务器依据所述第一网关节点转发的所述接入请求消息生成。
  2. 根据权利要求1所述的方法,其特征在于,所述通信网络还包括:异频终端节点,所述第一网关节点的下行信道的频点与所述第二网关节点的上行信道的频点为第二频点,所述的方法还包括:
    所述同频终端节点在所述第一频点,向所述异频终端节点发送所述接入请求消息;所述异频终端节点用于依据所述接入请求消息在所述第二频点,向所述至少一个第二网关节点发送第二网关节点选择请求消息;所述至少一个第二网关节点用于将所述第二网关节点选择请求消息转发至所述服务器;所述服务器用于根据接收到的所述第二网关节点选择请求消息确定所述目标第二网关节点,建立所述目标第二网关节点与所述同频终端节点的对应关系。
  3. 根据权利要求1所述的方法,其特征在于,所述目标第二网关节点为所述服务器在预设对应表中查找的与所述同频终端节点对应的第二网关节点。
  4. 一种同频终端节点的入网方法,其特征在于,应用于通信网络,所述通信网络包括:同频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述第一网关节点的上行信道的频点与所述第二网关节点的下行信道的频点为第一频点,所述方法包括:
    所述服务器接收所述第一网关节点转发的接入请求消息,所述接入请求消息由所述同频终端节点在所述第一频点发送至所述第一网关节点;
    所述服务器依据所述接入请求消息,确定与所述同频终端节点对应的目标第二网关节点;
    所述服务器通过所述目标第二网关节点在所述第一频点,将接入响应消息发送至所 述同频终端节点。
  5. 根据权利要求4所述的方法,其特征在于,所述通信网络还包括:异频终端节点,所述第一网关节点的下行信道的频点与所述第二网关节点的上行信道的频点为第二频点,所述的方法还包括:
    所述服务器接收所述至少一个第二网关节点发送的第二网关节点选择请求消息;所述第二网关节点选择请求消息,由所述异频终端节点依据接入请求消息在所述第二频点发送至所述第二网关节点;所述接入请求消息由所述同频终端节点在所述第一频点发送至所述异频终端节点;
    所述服务器依据所述第二网关节点选择请求消息确定目标第二网关节点;
    所述服务器建立所述目标第二网关节点与所述同频终端节点的对应关系。
  6. 根据权利要求4所述的方法,其特征在于,所述服务器依据所述第二网关节点选择请求消息确定目标第二网关节点的步骤包括:
    所述服务器检测各个转发所述第二网关节点选择请求消息的第二网关节点的信号质量,并确定信号质量最优的目标第二网关节点。
  7. 根据权利要求4所述的方法,其特征在于,所述服务器依据所述接入请求消息,确定与所述同频终端节点对应的目标第二网关节点的步骤包括:
    所述服务器依据所述接入请求消息,在预设对应表中查找与所述同频终端节点对应的目标第二网关节点。
  8. 一种同频终端节点的入网方法,其特征在于,应用于通信网络,所述通信网络包括:同频终端节点、异频终端节点、至少一个第一网关节点,至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述异频终端节点的接收端的频点、所述第一网关节点的上行信道的频点以及所述第二网关节点的下行信道的频点为第一频点;所述异频终端节点的发送端的频点、所述第一网关节点的下行信道的频点以及所述第二网关节点的上行信道的频点为第二频点,所述方法包括:
    所述异频终端节点在所述第一频点接收来自所述同频终端节点的接入请求消息;
    所述异频终端节点依据所述接入请求消息生成第二网关节点选择请求消息;
    所述异频终端节点在所述第二频点,向所述至少一个第二网关节点发送所述第二网关节点选择请求消息;所述至少一个第二网关节点用于将所述第二网关节点选择请求消 息发送至所述服务器;所述服务器用于根据接收到的所述第二网关节点选择请求消息确定目标第二网关节点,建立所述目标第二网关节点与所述同频终端节点的对应关系;当接收到同频终端节点的接入请求消息时,确定与所述同频终端节点对应的目标第二网关节点;将接入响应消息通过所述目标第二网关节点,在第一频点发送至所述同频终端节点。
  9. 根据权利要求8所述的方法,其特征在于,所述异频终端节点依据所述接入请求消息生成第二网关节点选择请求消息的步骤包括:
    所述异频终端节点确定所述接入请求消息中的身份标识信息;
    所述异频终端节点,判断所述身份标识信息是否预先记录;
    若是,则所述异频终端节点依据所述接入请求消息生成第二网关节点选择请求消息。
  10. 根据权利要求8所述的方法,其特征在于,所述服务器还用于当接收到同频终端节点的接入请求消息时,在预设对应表中查找与所述同频终端节点对应的目标第二网关节点。
  11. 一种对应表建立方法,其特征在于,应用于通信网络,所述通信网络包括:同频终端节点、异频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述异频终端节点的接收端的频点、所述第一网关节点的上行信道的频点以及所述第二网关节点的下行信道的频点为第一频点,所述异频终端节点的发送端的频点、所述第一网关节点的下行信道的频点以及所述第二网关节点的上行信道的频点为第二频点,所述方法包括:
    所述服务器接收所述至少一个第二网关节点发送的第二网关节点选择请求消息;所述第二网关节点选择请求消息,由所述异频终端节点依据接入请求消息在所述第二频点发送至所述第二网关节点;所述接入请求消息由所述同频终端节点在所述第一频点发送至所述异频终端节点;
    所述服务器根据所述第二网关节点选择请求消息确定目标第二网关节点;
    所述服务器在预设对应表中建立所述目标第二网关节点与所述同频终端节点的对应关系。
  12. 根据权利要求11所述的方法,其特征在于,所述服务器依据所述第二网关节点选择请求消息确定目标第二网关节点的步骤包括:
    所述服务器检测各个转发所述第二网关节点选择请求消息的第二网关节点的信号质量,并确定信号质量最优的目标第二网关节点。
  13. 一种对应表建立方法,其特征在于,应用于通信网络,所述通信网络包括:同频终端节点、异频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述异频终端节点的接收端的频点、所述第一网关节点的上行信道的频点以及所述第二网关节点的下行信道的频点为第一频点;所述异频终端节点的发送端的频点、所述第一网关节点的下行信道的频点以及所述第二网关节点的上行信道的频点为第二频点,所述方法包括:
    所述异频终端节点在所述第一频点接收来自所述同频终端节点的接入请求消息;
    所述异频终端节点依据所述接入请求消息生成第二网关节点选择请求消息;
    所述异频终端节点在所述第二频点,向所述至少一个第二网关节点发送所述第二网关节点选择请求消息;所述至少一个第二网关节点用于将所述第二网关节点选择请求消息发送至所述服务器;所述服务器用于根据接收到的所述第二网关节点选择请求消息确定目标第二网关节点,在预设对应表中建立所述目标第二网关节点与所述同频终端节点的对应关系。
  14. 根据权利要求13所述的方法,其特征在于,所述异频终端节点依据所述接入请求消息生成第二网关节点选择请求消息的步骤包括:
    所述异频终端节点确定所述接入请求消息中的身份标识信息;
    所述异频终端节点,判断所述身份标识信息是否预先记录;
    若是,则所述异频终端节点依据所述接入请求消息生成第二网关节点选择请求消息。
  15. 一种同频终端节点的入网装置,其特征在于,应用于通信网络,所述通信网络包括:同频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述第一网关节点的上行信道的频点与所述第二网关节点的下行信道的频点为第一频点,所述装置包括:
    位于所述同频终端节点的第一接入请求消息发送模块,用于在所述第一频点,向所述第一网关节点发送接入请求消息;
    位于所述同频终端节点的接入响应消息接收模块,用于在所述第一频点接收目标第 二网关节点返回的接入响应消息;所述目标第二网关节点为所述服务器确定的与所述同频终端节点对应的第二网关节点;所述接入响应消息由所述服务器依据所述第一网关节点转发的所述接入请求消息生成。
  16. 根据权利要求15所述的装置,其特征在于,所述通信网络还包括:异频终端节点,所述第一网关节点的下行信道的频点与所述第二网关节点的上行信道的频点为第二频点,所述的装置还包括:
    位于所述同频终端节点的第二接入请求消息发送模块,用于在所述第一频点,向所述异频终端节点发送所述接入请求消息;所述异频终端节点用于依据所述接入请求消息在所述第二频点,向所述至少一个第二网关节点发送第二网关节点选择请求消息;所述至少一个第二网关节点用于将所述第二网关节点选择请求消息转发至所述服务器;所述服务器用于检测所述根据接收到的所述第二网关节点选择请求消息确定目标第二网关节点,建立所述目标第二网关节点与所述同频终端节点的对应关系。
  17. 根据权利要求15所述的装置,其特征在于,所述目标第二网关节点为所述服务器在预设对应表中查找的与所述同频终端节点对应的第二网关节点。
  18. 一种同频终端节点的入网装置,其特征在于,应用于通信网络,所述通信网络包括:同频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述第一网关节点的上行信道的频点与所述第二网关节点的下行信道的频点为第一频点,所述装置包括:
    位于所述服务器的接入请求消息接收模块,用于接收所述第一网关节点转发的接入请求消息,所述接入请求消息由所述同频终端节点在所述第一频点发送至所述第一网关节点;
    位于所述服务器的第二网关节点确定模块,用于依据所述接入请求消息,确定与所述同频终端节点对应的目标第二网关节点;
    位于所述服务器的接入响应消息发送模块,用于通过所述目标第二网关节点在所述第一频点,将接入响应消息发送至所述同频终端节点。
  19. 根据权利要求18所述的装置,其特征在于,所述通信网络还包括:异频终端节点,所述第一网关节点的下行信道的频点与所述第二网关节点的上行信道的频点为第二频点,所述的装置还包括:
    位于所述服务器的第二网关节点选择请求消息接收模块,用于接收所述至少一个第 二网关节点发送的第二网关节点选择请求消息;所述第二网关节点选择请求消息,由所述异频终端节点依据接入请求消息在所述第二频点发送至所述第二网关节点;所述接入请求消息由所述同频终端节点在所述第一频点发送至所述异频终端节点;
    位于所述服务器的目标第二网关节点确定模块,用于依据所述第二网关节点选择请求消息确定目标第二网关节点;
    位于所述服务器的对应关系建立模块,用于建立所述目标第二网关节点与所述同频终端节点的对应关系。
  20. 根据权利要求19所述的装置,其特征在于,所述目标第二网关节点确定模块包括:
    目标第二网关节点确定子模块,用于检测各个转发所述第二网关节点选择请求消息的第二网关节点的信号质量,并确定信号质量最优的目标第二网关节点。
  21. 根据权利要求18所述的装置,其特征在于,所述第二网关节点确定模块包括:
    第二网关节点查找子模块,用于依据所述接入请求消息,在预设对应表中查找与所述同频终端节点对应的目标第二网关节点。
  22. 一种同频终端节点的入网装置,其特征在于,应用于通信网络,所述通信网络包括:同频终端节点、异频终端节点、至少一个第一网关节点,至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述异频终端节点的接收端的频点、所述第一网关节点的上行信道的频点以及所述第二网关节点的下行信道的频点为第一频点;所述异频终端节点的发送端的频点、所述第一网关节点的下行信道的频点以及所述第二网关节点的上行信道的频点为第二频点,所述装置包括:
    位于所述异频终端节点的接入请求消息接收模块,用于在所述第一频点接收所述同频终端节点发送的接入请求消息;
    位于所述异频终端节点的第二网关节点选择请求消息生成模块,用于依据所述接入请求消息生成第二网关节点选择请求消息;
    位于所述异频终端节点的第二网关节点选择请求消息发送模块,用于在所述第二频点,向所述至少一个第二网关节点发送所述第二网关节点选择请求消息;所述至少一个第二网关节点用于将所述第二网关节点选择请求消息发送至所述服务器;所述服务器用于根据接收到的所述第二网关节点选择请求消息确定目标第二网关节点,建立所述目标 第二网关节点与所述同频终端节点的对应关系;当接收到同频终端节点的接入请求消息时,确定与所述同频终端节点对应的目标第二网关节点;将接入响应消息通过所述目标第二网关节点,在第一频点发送至所述同频终端节点。
  23. 根据权利要求22所述的装置,其特征在于,所述第二网关节点选择请求消息生成模块包括:
    身份标识信息确定子模块,用于确定所述接入请求消息中的身份标识信息;
    身份标识信息判断子模块,用于判断所述身份标识信息是否预先记录;
    第二网关节点选择请求消息生成子模块,用于若所述身份标识信息是预先记录,则依据所述接入请求消息生成第二网关节点选择请求消息。
  24. 根据权利要求22所述的装置,其特征在于,所述服务器还用于当接收到同频终端节点的接入请求消息时,在预设对应表中查找与所述同频终端节点对应的目标第二网关节点。
  25. 一种对应表建立装置,其特征在于,应用于通信网络,所述通信网络包括:同频终端节点、异频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述异频终端节点的接收端的频点、所述第一网关节点的上行信道的频点以及所述第二网关节点的下行信道的频点为第一频点,所述异频终端节点的发送端的频点、所述第一网关节点的下行信道的频点以及所述第二网关节点的上行信道的频点为第二频点,所述装置包括:
    位于所述服务器的第二网关节点选择请求消息接收模块,用于接收所述至少一个第二网关节点发送的第二网关节点选择请求消息;所述第二网关节点选择请求消息,由所述异频终端节点依据接入请求消息在所述第二频点发送至所述第二网关节点;所述接入请求消息由所述同频终端节点在所述第一频点发送至已入网异频终端节点;
    位于所述服务器的目标第二网关节点确定模块,用于根据所述第二网关节点选择请求消息确定目标第二网关节点;
    位于所述服务器的对应关系建立模块,用于在预设对应表中建立所述目标第二网关节点与所述同频终端节点的对应关系。
  26. 根据权利要求25所述的装置,其特征在于,所述目标第二网关节点确定模块包括:
    目标第二网关节点确定子模块,用于检测各个转发所述第二网关节点选择请求消息 的第二网关节点的信号质量,并确定信号质量最优的目标第二网关节点。
  27. 一种对应表建立装置,其特征在于,应用于通信网络,所述通信网络包括:同频终端节点、异频终端节点、至少一个第一网关节点、至少一个第二网关节点,以及与所述至少一个第一网关节点和所述至少一个第二网关节点通信的服务器;所述异频终端节点的接收端的频点、所述第一网关节点的上行信道的频点以及所述第二网关节点的下行信道的频点为第一频点;所述异频终端节点的发送端的频点、所述第一网关节点的下行信道的频点以及所述第二网关节点的上行信道的频点为第二频点,所述装置包括:
    位于所述异频终端节点的接入请求消息接收模块,用于在所述第一频点接收所述同频终端节点发送的接入请求消息;
    位于所述异频终端节点的第二网关节点选择请求消息生成模块,用于依据所述接入请求消息生成第二网关节点选择请求消息;
    位于所述异频终端节点的第二网关节点选择请求消息发送模块,用于在所述第二频点,向所述至少一个第二网关节点发送所述第二网关节点选择请求消息;所述至少一个第二网关节点用于将所述第二网关节点选择请求消息发送至所述服务器;所述服务器用于根据接收到的所述第二网关节点选择请求消息确定目标第二网关节点,在预设对应表中建立所述目标第二网关节点与所述同频终端节点的对应关系。
  28. 根据权利要求27所述的装置,其特征在于,所述第二网关节点选择请求消息生成模块包括:
    身份标识信息确定子模块,用于确定所述接入请求消息中的身份标识信息;
    身份标识信息判断子模块,用于判断所述身份标识信息是否预先记录;
    第二网关节点选择请求消息生成子模块,用于若所述身份标识信息是预先记录,则依据所述接入请求消息生成第二网关节点选择请求消息。
  29. 一种装置,其特征在于,包括:
    一个或多个处理器;和
    其上存储有指令的一个或多个机器可读介质,当由所述一个或多个处理器执行时,使得所述装置执行如权利要求1-3和/或4-7和/或8-10和/或11-12和/或13-14所述的一个或多个的方法。
  30. 一个或多个机器可读介质,其上存储有指令,当由一个或多个处理器执行时,使得装置执行如权利要求1-3和/或4-7和/或8-10和/或11-12和/或13-14所述的一个或多个的方法。
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