WO2023272981A1 - Procédé de communication à bande étroite, talkie-walkie, dispositif, support de stockage et système de mise en réseau ad hoc - Google Patents

Procédé de communication à bande étroite, talkie-walkie, dispositif, support de stockage et système de mise en réseau ad hoc Download PDF

Info

Publication number
WO2023272981A1
WO2023272981A1 PCT/CN2021/120704 CN2021120704W WO2023272981A1 WO 2023272981 A1 WO2023272981 A1 WO 2023272981A1 CN 2021120704 W CN2021120704 W CN 2021120704W WO 2023272981 A1 WO2023272981 A1 WO 2023272981A1
Authority
WO
WIPO (PCT)
Prior art keywords
walkie
talkie
type
message
reverse signaling
Prior art date
Application number
PCT/CN2021/120704
Other languages
English (en)
Chinese (zh)
Inventor
袁智华
李玮
Original Assignee
广州慧睿思通科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广州慧睿思通科技股份有限公司 filed Critical 广州慧睿思通科技股份有限公司
Publication of WO2023272981A1 publication Critical patent/WO2023272981A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks

Definitions

  • the present disclosure generally relates to the technical field of wireless communication, and more specifically relates to a narrowband communication method, a walkie-talkie, a device, a storage medium, and an ad hoc network system.
  • Walkie-talkies are widely used in emergency dispatch and collective work situations, enabling group-wide communication.
  • the communication distance of the walkie-talkie in the traditional narrowband communication mode is limited, generally less than 5 kilometers. If you want to extend the communication distance, you need to rely on infrastructure such as repeaters and base stations. However, these devices are usually not easy to move. Once the location is set After that, it is difficult to change. During the actual use of the walkie-talkie, it will change with the location of the user. At different times, the locations of the required infrastructure such as repeaters and base stations are not fixed. There is a contradiction between the characteristics of the equipment and the application characteristics of the walkie-talkie. Wireless ad hoc network emerges at the historic moment.
  • the walkie-talkie ad hoc network can be networked in the direct mode, but in related technologies, in the direct mode, according to the current frame structure, it cannot well satisfy various message transmissions of the wireless ad hoc network.
  • the present disclosure relates to a narrowband communication method, which is applicable to a first walkie-talkie, and the method includes:
  • the broadcast type mark, the address of the first walkie-talkie, and the hop number information are respectively filled in the message type flag, the source address flag, and the hop number flag of the specified data frame , generating reverse signaling for updating the routing table; wherein, the hop number information is used to indicate the number of hops to reach a specified node;
  • the request forwarding type flag, the address of the first walkie-talkie and the address of the second walkie-talkie are respectively filled into the message type flag and the source address flag of the specified data frame and a destination address flag bit to generate reverse signaling for requesting transmission; wherein, the address of the second walkie-talkie is determined according to the local routing table of the first walkie-talkie;
  • the determining the type of the message to be transmitted based on the trigger condition includes: when the trigger condition is receiving a reverse signaling of a broadcast type or receiving a broadcast instruction input by a user, determining the The type of message to be transmitted is broadcast type.
  • the determining the type of the message to be transmitted based on the trigger condition includes: when the trigger condition is receiving the reverse signaling requesting the forwarding type and the corresponding service data, or receiving the user input When requesting the forwarding instruction, it is determined that the type of the message to be transmitted is the requesting forwarding type.
  • the type of the message to be transmitted when the type of the message to be transmitted is a request forwarding type, after sending the reverse signaling to the second walkie-talkie, it also includes:
  • another walkie-talkie is determined from the local routing table of the first walkie-talkie, and the reverse signaling is sent to another second walkie-talkie.
  • the present disclosure relates to a narrowband communication method, which is applicable to a second walkie-talkie, and the method includes:
  • the message type flag bit indicates that the type of the transmission message is a broadcast type
  • the message type flag indicates that the type of the transmission message is a request forwarding type, respond to the reverse signaling according to the current working state of the second walkie-talkie.
  • the message type flag when the message type flag indicates that the type of the transmission message is a broadcast type, it also includes: obtaining the signal strength when receiving the reverse signaling, and correspondingly updating the signal strength to the in the local routing table.
  • the responding to the reverse signaling according to the current working state of the second walkie-talkie includes:
  • the service data corresponding to the reverse signaling sent by the first walkie-talkie after acquiring the service data corresponding to the reverse signaling sent by the first walkie-talkie, it further includes:
  • the second walkie-talkie If the second walkie-talkie is not the master control node, generate the reverse signaling of the second walkie-talkie and send it to the next-hop walkie-talkie, wherein the message type flag in the reverse signaling of the second walkie-talkie is request For forwarding type, the source address flag is the address of the second walkie-talkie, and the destination address flag is the next-hop walkie-talkie, wherein the next-hop walkie-talkie is determined based on the local routing table of the second walkie-talkie.
  • the present disclosure relates to a first walkie-talkie, and the first walkie-talkie includes:
  • a trigger module configured to obtain a trigger condition for sending reverse signaling
  • the processing module is configured to determine the type of the message to be transmitted based on the trigger condition; when the type of the message to be transmitted is a broadcast type, the broadcast type flag, the address of the first walkie-talkie, and the hop number information are respectively filled in the specified In the message type flag bit, the source address flag bit and the hop count flag bit of the data frame, the reverse signaling for updating the routing table is generated; wherein, the hop count information is used to indicate the number of jumps to the specified node;
  • the type of the message to be transmitted is the request forwarding type, the request forwarding type mark, the address of the first walkie-talkie and the address of the second walkie-talkie are respectively filled into the message type flag, the source address flag and the specified data frame
  • the destination address flag bit is used to generate reverse signaling for requesting transmission; wherein, the address of the second walkie-talkie is determined according to the local routing table of the first walkie-talkie; and
  • the radio frequency transceiver module is configured to send the reverse signaling to the second walkie-talkie.
  • the processing module is configured to determine that the type of the message to be transmitted is a broadcast type when the trigger condition is receiving a broadcast type reverse signaling or receiving a user input broadcast instruction.
  • the processing module is configured to determine that the to-be-transmitted The type of the message is request forwarding type.
  • the radio frequency transceiver module is further configured to receive the second walkie-talkie after sending the reverse signaling to the second walkie-talkie when the type of message to be transmitted is request forwarding When the confirmation information is sent, the service data corresponding to the reverse signaling is sent to the second walkie-talkie;
  • another walkie-talkie is determined from the local routing table of the first walkie-talkie, and the reverse signaling is sent to another second walkie-talkie.
  • the present disclosure relates to a second walkie-talkie, and the second walkie-talkie includes:
  • the radio frequency transceiver module is configured to obtain the reverse signaling sent by the first walkie-talkie;
  • the processing module is configured to read the message type flag bit from the reverse signaling; when the message type flag bit indicates that the type of the transmission message is broadcast type, read the source address from the reverse signaling Flag bit and hop count flag bit, and the source address corresponding to the source address flag bit and the hop count information corresponding to the hop count flag bit are updated in the local routing table; when the message type flag bit indicates that the type of the transmission message is When the forwarding type is requested, respond to the reverse signaling according to the current working state of the second walkie-talkie.
  • the processing module is further configured to obtain the signal strength when receiving the reverse signaling when the message type flag bit indicates that the type of the transmission message is a broadcast type, and convert the signal strength to Correspondingly updated in the local routing table.
  • the processing module is configured to send confirmation information to the first walkie-talkie if it is determined that the second walkie-talkie is currently idle, and obtain the reverse signaling sent by the first walkie-talkie Corresponding service data; if it is determined that the second walkie-talkie is currently busy, then send rejection information to the first walkie-talkie, so that the first walkie-talkie determines another second walkie-talkie from the local routing table, and sends the response and send signaling to the other second walkie-talkie.
  • the processing module is configured to generate the second The reverse signaling of the walkie-talkie is sent to the next-hop walkie-talkie, wherein the message type flag in the reverse signaling of the second walkie-talkie is the request forwarding type, and the source address flag is the address of the second walkie-talkie,
  • the flag bit of the destination address is a next-hop intercom, wherein the next-hop intercom is determined based on the local routing table of the second intercom.
  • the present disclosure relates to a narrowband wireless ad hoc network system, including: the second walkie-talkie described in the present disclosure.
  • the present disclosure relates to electronic equipment, including: a processor, a memory, and a communication bus, wherein the processor and the memory complete mutual communication through the communication bus;
  • the memory configured to store a computer program
  • the processor is configured to execute the program stored in the memory to implement the narrowband communication method described in the first aspect or the second aspect.
  • the present disclosure relates to a computer-readable storage medium storing a computer program, and implementing the narrowband communication method described in the present disclosure when the computer program is executed by a processor.
  • the specified data frame includes a message type flag, a hop count flag, a source address flag, and a destination address flag, and according to different types of messages to be transmitted, correspondingly obtain different Fill in different flag bits of the specified data frame to generate different reverse signaling, realize different business functions through the same frame structure, enrich the diversity of message transmission, and use reverse signaling as a distinction
  • the signaling frames of different types of messages can effectively improve the channel utilization of the intercom device.
  • FIG. 1 is a schematic diagram of a narrowband wireless ad hoc network system provided by an embodiment of the present disclosure
  • FIG. 2 is a flow chart of a narrowband communication method for a first walkie-talkie provided by an embodiment of the present disclosure
  • FIG. 3 is a flow chart of a narrowband communication method for a second walkie-talkie provided by an embodiment of the present disclosure
  • FIG. 4 is a schematic structural diagram of a walkie-talkie provided by an embodiment of the present disclosure.
  • Fig. 5 is a schematic structural diagram of an electronic device provided by an embodiment of the present disclosure.
  • the present disclosure relates to a narrowband communication method, which is applicable to the narrowband wireless communication ad hoc network system as shown in Figure 1.
  • the two walkie-talkies are the first walkie-talkie and the second walkie-talkie; the first walkie-talkie is used as a sending node, and the second walkie-talkie is used as a forwarding node or a receiving node.
  • the present disclosure provides a narrowband communication method, which is applicable to the first walkie-talkie; the method includes:
  • Step 201 obtaining a trigger condition for sending reverse signaling
  • Step 202 based on the trigger condition, determine the type of the message to be transmitted
  • Step 203 when the type of the message to be transmitted is the broadcast type, fill the broadcast type flag, the address of the first walkie-talkie, and the hop count information into the message type flag, source address flag, and hop count of the specified data frame respectively In the flag bit, reverse signaling for updating the routing table is generated; wherein the hop number information is used to indicate the number of hops to reach the specified node; and
  • Step 204 sending the reverse signaling to the second walkie-talkie.
  • the designated node can be agreed in advance, for example: the master walkie-talkie as the master control node in the narrowband wireless communication ad hoc network system is used as the designated node, such as the walkie-talkie A in Figure 1, as the master of the master control node
  • the intercom control can be determined when writing the frequency.
  • the request forwarding type flag, the address of the first walkie-talkie and the address of the second walkie-talkie are respectively filled in the message type of the specified data frame
  • the flag, the source address flag and the destination address flag generate reverse signaling for requesting transmission; wherein the address of the second walkie-talkie is determined according to the local routing table of the first walkie-talkie;
  • different trigger conditions correspond to different types of transmission messages, and when the trigger condition is receiving a broadcast type reverse signaling or receiving a broadcast instruction input by a user, determine the message to be transmitted
  • the type is broadcast type.
  • For broadcast type transmission messages after the first walkie-talkie sends out, all walkie-talkies within the preset distance range of the first walkie-talkie can receive it.
  • the trigger condition is receiving reverse signaling requesting forwarding type and corresponding service data, or receiving a requesting forwarding instruction input by a user
  • the type of the message to be transmitted is the requesting forwarding type.
  • the reverse signaling in this solution is the reverse burst. More specifically, the reverse signaling is a reverse burst in the direct mode with a length of 30 milliseconds.
  • the type of the message to be transmitted when the type of the message to be transmitted is a request forwarding type, after sending the reverse signaling to the second walkie-talkie, it also includes:
  • the rejection information of the second walkie-talkie when the rejection information of the second walkie-talkie is received, another walkie-talkie is determined from the local routing table of the first walkie-talkie, and the reverse signaling is sent to another second walkie-talkie.
  • the rejection message when the rejection message is received, it means that the second walkie-talkie is busy and cannot receive service data, and instructs the first walkie-talkie to seek other walkie-talkies to forward data from the local routing table.
  • the first walkie-talkie When the first walkie-talkie receives the rejection information NACK sent by the second walkie-talkie, it gives up sending service data, and lowers the priority of the second walkie-talkie in the local routing table of the first walkie-talkie.
  • the specified data frame includes a message type flag, a hop count flag, a source address flag, and a destination address flag.
  • a message type flag a hop count flag
  • a source address flag a destination address flag.
  • different data are correspondingly obtained and filled into the specified data.
  • Different reverse signaling is generated on different flag bits of the frame, and different business functions are realized through the same frame structure, which enriches the diversity of message transmission.
  • reverse signaling is used as a signaling frame to distinguish different types of messages , can effectively improve the channel utilization of the intercom equipment.
  • the transmission message in the embodiment of the present disclosure is transmitted using the reverse channel burst, and the byte of the reverse signaling in the DMR/PDT standard in the existing protocol is redefined, and the DMR/PDT standard is used.
  • the type flag bit of the transmission message is in the EMB field, and the hop count flag bit, source address flag bit, and destination address flag bit are all in the RC field.
  • the type of the transmission message occupies the first three bits of the embedded signaling domain field (EMB) in the reverse signaling, as shown in Table 1, and Table 1 shows an example of the definition of each byte of the reverse signaling:
  • the reply acknowledgment information ACK can be sent through reverse signaling, and the occupied bits are consistent with the message type flag bits, as shown in Table 1, 110 is used to indicate the reply acknowledgment information ACK.
  • the rejection information NACK can also be sent through reverse signaling, and the occupied bit is consistent with the message type flag, as shown in Table 1, 111 is used to indicate the reply confirmation information ACK, to inform the first walkie-talkie that it is currently busy, Unable to receive business data, so seek other walkie-talkies to forward data.
  • time slot 1 of the two time slots in a frame of 60 ms under the direct mode of the existing narrowband communication protocol can be used to send service data (for example: location information, voice information, video information, etc.), while Slot 2 is used to send reverse signaling; dividing reverse signaling and service data into different time slots can improve channel resource utilization compared with existing communication protocols. In order to save the effective number of bits, it can be transmitted in the reverse channel.
  • the source address and destination address are tentatively set to 8BIT, supporting a small network of 256 users.
  • the redefined reverse signaling can be applied to many different communication scenarios, for example: the scenario where the walkie-talkie sends broadcast data (also called heartbeat wave): the broadcast data is mainly used to realize the establishment of an ad hoc network and route update.
  • broadcast data also called heartbeat wave
  • the frequency writing parameters are set in advance in each walkie-talkie that needs to be teamed up.
  • the frequency writing parameters include: source address, role, working frequency, etc., as shown in Table 2:
  • walkie-talkie A in Figure 1 it is necessary to determine one of the multiple walkie-talkies as the main control node, such as walkie-talkie A in Figure 1, and other walkie-talkies as participating nodes, such as walkie-talkies B to F in Figure 1, write frequency parameters After writing to each walkie-talkie, the power of walkie-talkie A ⁇ F is turned on, and the ad hoc network mode is started.
  • Each walkie-talkie sends broadcast data sequentially, for example: walkie-talkie A-F transmits broadcast data (heartbeat wave) cyclically with a cycle of T in turn, wherein the broadcast data includes: the address of the machine, how many hops to the designated walkie-talkie (such as: the pre-specified master control node ).
  • walkie-talkie After a walkie-talkie sends broadcast data, other walkie-talkies within the coverage of the walkie-talkie receive the broadcast data of the walkie-talkie, obtain the identification information of other walkie-talkies from the reverse signaling, and jump to a certain walkie-talkie (such as: pre-specified master control node) (denoted as hop number information), and calculate the signal strength RSSI of the reverse signaling, and record the obtained above information in the local routing table. Each walkie-talkie sends broadcast data in turn to establish its own local routing table.
  • a certain walkie-talkie such as: pre-specified master control node
  • the generated reverse signaling can carry the message type flag of 000, and other walkie-talkies receive the reverse signaling and parse it. If the flag bit of the message type is 000, it is determined that the reverse signaling is used to establish an ad hoc network or update a local routing table, and there is no need to send service data.
  • broadcasting data the destination address is set to 0xff. After each walkie-talkie transmits broadcast data (also called broadcast token) in sequence, the topology structure and routing table are established.
  • the above method is the networking method of the narrowband wireless communication ad hoc network system in the embodiment of the present disclosure, that is, the method for realizing the ad hoc network by the first walkie-talkie and the second walkie-talkie.
  • each walkie-talkie changes during the use of the walkie-talkie, at the beginning B ⁇ F are all within the coverage of A, and can reach A through 0 hops.
  • the relative position may be as shown in Figure 1, and each walkie-talkie dynamically updates the routing table after receiving broadcast data from other walkie-talkies.
  • walkie-talkie F After each walkie-talkie establishes a local routing table, it can establish an ad hoc network based on the local routing table.
  • walkie-talkie F sends service data to walkie-talkie A, For example: location information
  • walkie-talkie F searches the local routing table, and determines the walkie-talkie with the smallest hop number information value in the routing table and the strongest signal strength as the receiving walkie-talkie (assuming it is walkie-talkie E), and the response of the request forwarding type sent in time slot 2
  • the walkie-talkie (assumed to be walkie-talkie D), when the walkie-talkie D is idle, when the walkie-talkie D is idle, it returns a confirmation message to the walkie-talkie E, and after receiving the confirmation message, the walkie-talkie D sends the position information to the walkie-talkie D in time slot 1;
  • the loop ends when instructing the location information to be transmitted to walkie-talkie A.
  • the present disclosure provides a narrowband communication method, which is suitable for a second walkie-talkie; the method includes:
  • Step 301 acquire the reverse signaling sent by the first walkie-talkie
  • Step 302 read the message type flag bit from the reverse signaling.
  • Step 303 when the message type flag bit indicates that the type of the transmission message is a broadcast type, read the source address flag bit and the hop count flag bit from the reverse signaling, and set the source address flag bit corresponding to The hop count information corresponding to the source address and the hop count flag bit is updated in the local routing table; when the message type flag bit indicates that the type of the transmission message is the request forwarding type, according to the current working state of the second walkie-talkie, respond to the The above reverse signaling.
  • the message type flag bit is read from the reverse signaling, and different processing is performed according to different types of messages to be transmitted.
  • the message type flag indicates that the type of the transmission message is a broadcast type
  • it also includes: obtaining the signal strength when receiving the reverse signaling, and correspondingly updating the signal strength into the local routing table, as shown in the table 2, Table 2 shows the routing table of intercom device A.
  • the redefined reverse signaling can be applied to the communication scenario of sending a request forwarding type message.
  • the request forwarding type flag, the address of the first walkie-talkie and the address of the second walkie-talkie are respectively filled in the The message type flag bit, the source address flag bit and the destination address flag bit of the designated data frame generate reverse signaling for requesting transmission.
  • responding to the reverse signaling includes:
  • the reply acknowledgment information ACK can be sent through reverse signaling, and the occupied bits are consistent with the message type flag, as shown in Table 1, 110 is used to indicate the reply acknowledgment information ACK.
  • the rejection information NACK can also be sent through reverse signaling, and the occupied bits are consistent with the message type flag.
  • 111 is used to indicate the reply rejection information NACK, so as to inform the sending node that the second walkie-talkie is currently It is busy and cannot receive business data, so it seeks other walkie-talkies to forward data.
  • the service data corresponding to the reverse signaling sent by the first walkie-talkie after acquiring the service data corresponding to the reverse signaling sent by the first walkie-talkie, it further includes:
  • the second walkie-talkie If the second walkie-talkie is not the master control node, generate the reverse signaling of the second walkie-talkie and send it to the next-hop walkie-talkie, wherein the message type flag in the reverse signaling of the second walkie-talkie is request For forwarding type, the source address flag is the address of the second walkie-talkie, and the destination address flag is the next-hop walkie-talkie, wherein the next-hop walkie-talkie is determined based on the local routing table of the second walkie-talkie.
  • each walkie-talkie may be used as an intercom device for a sending node, a forwarding node, or a receiving node.
  • each walkie-talkie can periodically send broadcast data, so that other walkie-talkies can perceive it, so as to update the routing table.
  • the work of updating the routing table is usually before sending data.
  • the timing of routing update provided by the present application can better meet the timeliness requirement of data transmission.
  • the present disclosure provides a first walkie-talkie.
  • the first walkie-talkie mainly include:
  • the trigger module 401 is configured to acquire a trigger condition for sending reverse signaling
  • the processing module 402 is configured to determine the type of the message to be transmitted based on the trigger condition; when the type of the message to be transmitted is a broadcast type, fill in the broadcast type flag, the address of the first walkie-talkie, and the hop number information into the In the message type flag bit, the source address flag bit and the hop count flag bit of the specified data frame, generate reverse signaling for updating the routing table; wherein the hop count information is used to indicate the number of jumps to the specified node; When the type of the message to be transmitted is the request forwarding type, the request forwarding type flag, the address of the first walkie-talkie and the address of the second walkie-talkie are respectively filled into the message type flag and the source address flag of the specified data frame and a destination address flag bit to generate reverse signaling for requesting transmission; wherein, the address of the second walkie-talkie is determined according to the local routing table of the first walkie-talkie; and
  • the radio frequency transceiver module 403 is configured to send the reverse signaling to the second walkie-talkie.
  • the processing module 402 is configured to determine that the type of the message to be transmitted is a broadcast type when the trigger condition is receiving a broadcast type reverse signaling or receiving a user input broadcast instruction.
  • the processing module 402 is configured to determine the message to be transmitted when the trigger condition is receiving the reverse signaling of the request forwarding type and the corresponding service data, or receiving the request forwarding instruction input by the user
  • the type of is the request forwarding type.
  • the radio frequency transceiver module 403 is further configured to receive the second interphone after sending the reverse signaling to the second walkie-talkie when the type of the message to be transmitted is request forwarding type.
  • the service data corresponding to the reverse signaling is sent to the second walkie-talkie;
  • another walkie-talkie is determined from the local routing table of the first walkie-talkie, and the reverse signaling is sent to another second walkie-talkie.
  • the present disclosure provides a second walkie-talkie.
  • the second walkie-talkie mainly includes:
  • the radio frequency transceiver module 403 is configured to obtain the reverse signaling sent by the first walkie-talkie;
  • the processing module 402 is configured to read the message type flag bit from the reverse signaling; when the message type flag bit indicates that the type of the transmission message is a broadcast type, read the source from the reverse signaling Address flag bit and hop count flag bit, and the source address corresponding to said source address flag bit and the hop count information corresponding to hop count flag bit are updated in the local routing table; When said message type flag bit indicates the type of transmission message When it is a request forwarding type, respond to the reverse signaling according to the current working state of the second walkie-talkie.
  • the processing module 402 is further configured to obtain the signal strength when receiving the reverse signaling when the message type flag bit indicates that the type of the transmission message is a broadcast type, and correspond the signal strength to updated in the local routing table.
  • the processing module 402 is configured to send confirmation information to the first walkie-talkie if it is determined that the second walkie-talkie is currently idle, and obtain the reverse signaling corresponding to the first walkie-talkie. business data; if it is determined that the second walkie-talkie is currently busy, a rejection message is sent to the first walkie-talkie, so that the first walkie-talkie determines another second walkie-talkie from the local routing table, and the reverse The signaling is sent to the other second walkie-talkie.
  • the processing module 402 is configured to generate the second walkie-talkie and send it to the next-hop walkie-talkie, wherein the message type flag in the reverse signaling of the second walkie-talkie is the request forwarding type, the source address flag is the address of the second walkie-talkie, and the destination The address flag is a next-hop intercom, wherein the next-hop intercom is determined based on the local routing table of the second intercom.
  • the walkie-talkie in the ad hoc network may be used as the first walkie-talkie or as the second walkie-talkie at different times. Therefore, in specific implementation, the structures of the first pair of walkie-talkies and the second walkie-talkie are both The structure shown in FIG. 4 can be adopted, and the structures of the two can be the same.
  • the second walkie-talkie can also include a trigger module 401, but the trigger module 401 may not work.
  • the present disclosure further provides a narrowband wireless ad hoc network system, including: the second walkie-talkie described in the present disclosure.
  • the first walkie-talkie is configured to obtain a trigger condition for sending reverse signaling; based on the trigger condition, determine the type of the message to be transmitted; when the type of the message to be transmitted is a broadcast type, mark the broadcast type, the The address and hop number information of the first walkie-talkie are respectively filled in the message type flag, the source address flag and the hop flag of the specified data frame to generate reverse signaling for updating the routing table; wherein, the hop The number information is used to indicate the number of jumps to the specified node; when the type of the message to be transmitted is the request forwarding type, the request forwarding type mark, the address of the first walkie-talkie and the address of the second walkie-talkie are respectively filled in the Specify the message type flag, source address flag and destination address flag of the data frame to generate reverse signaling for request transmission; wherein, the address of the second walkie-talkie is determined according to the local routing table of the first walkie-talkie ; Send the reverse signaling to the second walkie
  • the second walkie-talkie is configured to obtain the reverse signaling sent by the first walkie-talkie; from the reverse signaling, read the message type flag; when the message type flag indicates that the type of the transmission message is broadcast type , read the source address flag bit and the hop count flag bit from the reverse signaling, and update the source address corresponding to the source address flag bit and the hop count information corresponding to the hop count flag bit into the local routing table and responding to the reverse signaling according to the current working state of the second walkie-talkie when the message type flag indicates that the type of the transmission message is a request forwarding type.
  • the present disclosure also provides an electronic device, as shown in FIG. 503 to complete mutual communication.
  • the memory 502 stores a program executable by the processor 501, and the processor 501 executes the program stored in the memory 502 to implement the following steps:
  • the broadcast type mark, the address of the first walkie-talkie, and the hop number information are respectively filled in the message type flag, the source address flag, and the hop number flag of the specified data frame , generating reverse signaling for updating the routing table; wherein, the hop number information is used to indicate the number of hops to reach a specified node;
  • the request forwarding type flag, the address of the first walkie-talkie and the address of the second walkie-talkie are respectively filled into the message type flag and the source address flag of the specified data frame and a destination address flag bit to generate reverse signaling for requesting transmission; wherein, the address of the second walkie-talkie is determined according to the local routing table of the first walkie-talkie;
  • the message type flag bit indicates that the type of the transmission message is a broadcast type
  • the message type flag indicates that the type of the transmission message is a request forwarding type, respond to the reverse signaling according to the current working state of the second walkie-talkie.
  • the communication bus 503 mentioned in the above electronic device may be a Peripheral Component Interconnect (PCI for short) bus or an Extended Industry Standard Architecture (EISA for short) bus or the like.
  • the communication bus 503 can be divided into address bus, data bus, control bus and so on. For ease of representation, only one thick line is used in FIG. 5 , but it does not mean that there is only one bus or one type of bus.
  • the memory 502 may include a random access memory (Random Access Memory, RAM for short), and may also include a non-volatile memory (non-volatile memory), such as at least one disk memory.
  • the memory may also be at least one storage device located away from the aforementioned processor 501 .
  • the above-mentioned processor 501 can be a general-purpose processor, including a central processing unit (Central Processing Unit, referred to as CPU), a network processor (Network Processor, referred to as NP), etc., and can also be a digital signal processor (Digital Signal Processing, referred to as DSP). ), Application Specific Integrated Circuit (ASIC for short), Field-Programmable Gate Array (Field-Programmable GateArray, FPGA for short) or other programmable logic devices, discrete gate or transistor logic devices, and discrete hardware components.
  • CPU Central Processing Unit
  • NP Network Processor
  • DSP Digital Signal Processing
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable GateArray
  • a computer-readable storage medium is also provided, and a computer program is stored in the computer-readable storage medium, and when the computer program is run on a computer, the computer executes the above-mentioned embodiment The narrowband communication method described in .
  • the computer may be realized in whole or in part by software, hardware, firmware or any combination thereof.
  • software When implemented using software, it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on the computer, the processes or functions according to the embodiments of the present application will be generated in whole or in part.
  • the computer can be a general purpose computer, special purpose computer, computer network, or other programmable device.
  • the computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, e. Coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, microwave, etc.) to another website site, computer, server or data center.
  • DSL digital subscriber line
  • the computer-readable storage medium may be any available medium that can be accessed by a computer, or a data storage device such as a server or a data center integrated with one or more available media.
  • the usable medium may be a magnetic medium (such as a floppy disk, a hard disk, a magnetic tape, etc.), an optical medium (such as a DVD), or a semiconductor medium (such as a solid state disk), and the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de communication à bande étroite, un talkie-walkie, un dispositif, un support de stockage et un système de mise en réseau ad hoc. Le procédé comprend les étapes suivantes : acquérir de la signalisation inverse envoyée par un premier talkie-walkie ; lire un bit indicateur de type de message à partir de la signalisation inverse ; lorsque le bit indicateur de type de message indique qu'un type d'un message transmis est un type de diffusion, lire un bit indicateur d'adresse de source et un bit indicateur de nombre de sauts à partir de la signalisation inverse, et mettre à jour une adresse de source correspondant au bit indicateur d'adresse de source et des informations de nombre de sauts correspondant au bit indicateur de nombre de sauts sur une table de routage locale ; et lorsque le bit indicateur de type de message indique que le type de message transmis est un type de réacheminement de demande, répondre à la signalisation inverse selon un état de fonctionnement actuel d'un deuxième talkie-walkie.
PCT/CN2021/120704 2021-06-29 2021-09-26 Procédé de communication à bande étroite, talkie-walkie, dispositif, support de stockage et système de mise en réseau ad hoc WO2023272981A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110725274.7A CN113259864B (zh) 2021-06-29 2021-06-29 窄带通信方法、对讲机、设备、存储介质及自组网系统
CN202110725274.7 2021-06-29

Publications (1)

Publication Number Publication Date
WO2023272981A1 true WO2023272981A1 (fr) 2023-01-05

Family

ID=77190015

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/120704 WO2023272981A1 (fr) 2021-06-29 2021-09-26 Procédé de communication à bande étroite, talkie-walkie, dispositif, support de stockage et système de mise en réseau ad hoc

Country Status (2)

Country Link
CN (1) CN113259864B (fr)
WO (1) WO2023272981A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113259864B (zh) * 2021-06-29 2021-09-21 广州慧睿思通科技股份有限公司 窄带通信方法、对讲机、设备、存储介质及自组网系统
CN113630754B (zh) * 2021-10-13 2022-02-08 广州慧睿思通科技股份有限公司 多信道数据转发方法、装置、设备及存储介质
CN114629518B (zh) * 2022-03-31 2024-03-01 厦门骐俊物联科技股份有限公司 一种数字对讲机的动态自组网方法
CN114666749B (zh) * 2022-05-18 2022-08-19 深圳市宇隆移动互联网有限公司 一种基于LoRa的对讲方法、系统、计算机设备和存储介质
CN115297293A (zh) * 2022-07-14 2022-11-04 广州慧睿思通科技股份有限公司 一种战术手势传输方法、对讲机、设备及存储介质

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1747357A (zh) * 2005-07-28 2006-03-15 华南理工大学 数字对讲机及其利用中转实现远距离通信的方法
CN1988509A (zh) * 2006-12-07 2007-06-27 中国科学院计算技术研究所 在传感器网络中形成精细汇聚梯度的方法
US20130089011A1 (en) * 2011-10-11 2013-04-11 Xg Technology, Inc. Cognitive mobile time division duplex ad-hoc network
CN106953656A (zh) * 2017-03-30 2017-07-14 广东工业大学 一种智能终端控制对讲机进行信息传输的方法与装置
CN111356202A (zh) * 2020-03-09 2020-06-30 大唐联诚信息系统技术有限公司 一种用于窄带自组网的低开销混合路由协议方法
US20200244790A1 (en) * 2017-08-02 2020-07-30 Shenzhen Wistek Energy Co., Ltd. Walkie-talkie device, electronic apparatus, walkie-talkie information transmission method, and information transmission method
CN112423253A (zh) * 2020-10-13 2021-02-26 北京云联慧通科技有限公司 应用于无线电子体温计的窄带自组网通信协议
CN113259864A (zh) * 2021-06-29 2021-08-13 广州慧睿思通科技股份有限公司 窄带通信方法、对讲机、设备、存储介质及自组网系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108282502B (zh) * 2017-01-05 2020-07-10 上海竺程信息科技有限公司 基于动态优先级的车辆网络消息优化广播方法
FI129033B (en) * 2017-09-21 2021-05-31 Teknologian Tutkimuskeskus Vtt Oy Transmission of radio frequency and time over long distances
CN108055205A (zh) * 2018-01-26 2018-05-18 武汉理工大学 用于实现vdes的路由协议及路由方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1747357A (zh) * 2005-07-28 2006-03-15 华南理工大学 数字对讲机及其利用中转实现远距离通信的方法
CN1988509A (zh) * 2006-12-07 2007-06-27 中国科学院计算技术研究所 在传感器网络中形成精细汇聚梯度的方法
US20130089011A1 (en) * 2011-10-11 2013-04-11 Xg Technology, Inc. Cognitive mobile time division duplex ad-hoc network
CN106953656A (zh) * 2017-03-30 2017-07-14 广东工业大学 一种智能终端控制对讲机进行信息传输的方法与装置
US20200244790A1 (en) * 2017-08-02 2020-07-30 Shenzhen Wistek Energy Co., Ltd. Walkie-talkie device, electronic apparatus, walkie-talkie information transmission method, and information transmission method
CN111356202A (zh) * 2020-03-09 2020-06-30 大唐联诚信息系统技术有限公司 一种用于窄带自组网的低开销混合路由协议方法
CN112423253A (zh) * 2020-10-13 2021-02-26 北京云联慧通科技有限公司 应用于无线电子体温计的窄带自组网通信协议
CN113259864A (zh) * 2021-06-29 2021-08-13 广州慧睿思通科技股份有限公司 窄带通信方法、对讲机、设备、存储介质及自组网系统

Also Published As

Publication number Publication date
CN113259864A (zh) 2021-08-13
CN113259864B (zh) 2021-09-21

Similar Documents

Publication Publication Date Title
WO2023272981A1 (fr) Procédé de communication à bande étroite, talkie-walkie, dispositif, support de stockage et système de mise en réseau ad hoc
WO2023005128A1 (fr) Procédé d'ajout de nœud, talkie-walkie, système et support de stockage
JP6026675B2 (ja) ワイヤレスネットワークのサイズの監視
JP5485398B2 (ja) ピア・ツー・ピアネットワーク内のサービスディスカバリ管理のための方法およびシステム
WO2020103834A1 (fr) Procédé de communication à réseautage sensible au temps et appareil associé
JP6147935B2 (ja) アクセスポイントとワイヤレスデバイスとの間のリンク確立に関するシグナリングメッセージを送信するときのオーバーヘッドを削減するための方法、アクセスポイント、およびワイヤレスデバイス
US20210226902A1 (en) Time-Sensitive Networking Communication Method and Apparatus
JP6239636B2 (ja) ワイヤレス通信のレンジ拡大（ｒａｎｇｅｅｘｔｅｎｓｉｏｎ）のためのシステム、装置、および方法
US9088883B2 (en) Method to support emergency call through mesh network
JP2017518697A (ja) 高価なメッシュピアリングを伴わずに信頼性の高いルートを確立すること
US20160081005A1 (en) Route formation and message transmission in a data link group over multiple channels
CN115766657A (zh) 一种获取边缘服务的方法和装置
CN109068367B (zh) 一种无线令牌传递方法、装置、设备及可读存储介质
CN108370610A (zh) 密集网格网络中的干扰减轻
JP2016541163A (ja) ワイヤレスデバイスのリレー動作を変更するためのシステム、方法およびデバイス
Hu et al. PLI-Sync: Prefetch Loss-Insensitive Sync for NDN Group Streaming
US7433330B2 (en) Method and apparatus for sending IP multicast packets in a wireless communication system
WO2020216083A1 (fr) Procédé de communication, appareil de communication, et dispositif terminal
TW201806405A (zh) 無線自主網路中通信設備的資料通信方法和通信設備
CN116599891B (zh) 双模通信方法、装置和计算机可读存储介质
WO2024067360A1 (fr) Procédé et appareil de communication
US7643483B2 (en) System and method for using a hop limited cast for internet egress point selection
WO2014186985A1 (fr) Dispositif de communication, et procédé de communication sans fil
WO2011087510A1 (fr) Procédé d'assistance à un appel d'urgence au moyen d'un réseau maillé
JP2020167590A (ja) 通信装置、通信システム、通信方法、及び、プログラム

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21947909

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE