WO2017217569A1 - Procédé de transmission de données dans un réseau ad hoc et terminal associé - Google Patents

Procédé de transmission de données dans un réseau ad hoc et terminal associé Download PDF

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Publication number
WO2017217569A1
WO2017217569A1 PCT/KR2016/006375 KR2016006375W WO2017217569A1 WO 2017217569 A1 WO2017217569 A1 WO 2017217569A1 KR 2016006375 W KR2016006375 W KR 2016006375W WO 2017217569 A1 WO2017217569 A1 WO 2017217569A1
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WO
WIPO (PCT)
Prior art keywords
terminal
relay
call connection
hoc
data channel
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PCT/KR2016/006375
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English (en)
Korean (ko)
Inventor
송봉섭
이형열
이유성
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㈜네스랩
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Priority claimed from KR1020160074521A external-priority patent/KR101824452B1/ko
Publication of WO2017217569A1 publication Critical patent/WO2017217569A1/fr

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    • 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
    • H04W40/12—Communication route or path selection, e.g. power-based or shortest path routing based on transmission quality or channel quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to a data transmission method in an ad hoc network and a terminal for the same.
  • An ad hoc network is an autonomous network configured between nodes constituting the network.
  • the ad hoc network is free to enter and exit as the node moves, and multi-hop communication is required even without a communication infrastructure such as a base station or an access point. This is a possible feature. Therefore, it is highly useful as a military tactical or emergency rescue network in areas where existing telecommunication facilities cannot be used due to wartime or large disasters.
  • wireless ad hoc networks operate independently of the communication infrastructure, all nodes must act as terminals and routers. Therefore, even when the transmitting node and the receiving node are in a distance where direct communication is impossible, a routing protocol that enables multi-hop communication through other relay nodes plays an important role.
  • Korean Patent Laid-Open Publication No. 10-2013-0021639 discloses a method for transmitting a transport packet in a wireless ad-hoc network, in which a transmitting node transmits a broadcast packet to a receiving node through a relay node in a wireless ad-hoc network.
  • a transmitting node transmits a broadcast packet to a receiving node through a relay node in a wireless ad-hoc network.
  • the transmitting method when the transmitting node in the network transmission using the relay node to transmit the transmission packet by additionally selecting the 1-hop relay node in consideration of the number of reception of the 2-hop relay node, transmission due to channel error or MAC frame collision
  • a method and apparatus for transmitting a broadcast packet in a wireless ad hoc network for preventing packet loss, and a transmission packet transmission / reception system are disclosed.
  • the technical problem to be achieved by the present invention relates to a data transmission method in an ad hoc network for transmitting data efficiently and at high speed in an asynchronous / narrowband digital network environment, and a terminal for the same.
  • a method for transmitting data in an ad hoc network in the method of performing a data transmission method in an ad hoc network, transmitting a basic call connection request message and receiving a basic call connection response message Connecting the target terminal with the data link; if the basic call connection response message is not received; transmitting an ad hoc relay call connection request message to the relay terminal; and receiving the ad hoc relay call connection response message; And connecting the data link with the target terminal through the basic call connection response message.
  • a terminal for data transmission in an ad hoc network includes at least one processor and a memory, at least one program is stored in the memory, and the processor executes the program. At least one program transmits a basic call connection request message and, upon receiving a basic call connection response message, connects a target terminal and a data link, and if the basic call connection response message is not received, an ad hoc relay call connection request message.
  • the relay terminal When transmitting to the relay terminal and receiving an ad hoc relay call connection response message, the relay terminal is programmed to connect the data link with the target terminal through the relay terminal, wherein the basic call connection response message includes data channel setting information. do.
  • a method for transmitting data in an ad hoc network in the method for a terminal to perform a call connection in an ad hoc network, receiving a basic call connection request message, measuring channel quality, and idle data If there is a channel, determining the data channel in consideration of the idle data channel of the source terminal, and if the channel quality is greater than the reference value, generating a basic call connection response message and transmitting to the source terminal.
  • a terminal for data transmission in an ad hoc network includes at least one processor and a memory, and at least one program is stored in the memory, and the processor executes the program.
  • the at least one program receives the basic call connection request message, measures the channel quality, and if there is an idle data channel, determines the data channel in consideration of the idle data channel of the source terminal and the idle data channel of the target terminal, If the channel quality is greater than the reference value, it is programmed to generate a basic call connection response message and transmit it to the source terminal.
  • the basic call connection response message includes data channel configuration information and transmission frequency information.
  • a source terminal in a method in which a terminal performs a method of transmitting data in an ad hoc network, a source terminal generates an ad hoc relay call connection request message and transmits it to a relay terminal.
  • the relay terminal In the step, the relay terminal generates an ad hoc relay call relay request message and transmits it to the target terminal, the target terminal determines a data channel, and the target terminal generates an ad hoc relay call relay response message to the relay terminal.
  • the relay terminal includes generating an ad hoc relay call connection response message and transmitting the generated ad hoc relay call response message to the source terminal.
  • a system for data transmission in an ad hoc network is a data transmission system in a network including a source terminal, a relay terminal, and a target terminal, wherein the source terminal generates an ad hoc relay call connection request message.
  • the relay terminal To the relay terminal, and the relay terminal generates an ad hoc relay call relay request message and transmits it to the target terminal, generates an ad hoc relay call connection response message, and transmits it to the source terminal, and the target terminal determines a data channel. And, generating an ad hoc relay call relay response message, characterized in that for transmitting to the relay terminal.
  • a terminal for data transmission in an ad hoc network includes at least one processor and a memory, at least one program is stored in the memory, and the program is executed by the processor.
  • the at least one program receives an ad hoc relay call connection request message, measures channel quality, if an idle data channel exists, checks whether a hop count is smaller than a preset maximum hop number, and the hop count is a preset maximum hop number. If smaller, check whether the channel quality is greater than the reference value, and if the channel quality is greater than the reference value, generate an ad hoc relay call relay request message and transmit the message to the target terminal.
  • a method for transmitting data in an ad hoc network includes receiving an ad hoc relay call relay request message, measuring channel quality, and selecting an optimal path among at least one path if an idle data channel exists. Selecting, Determining the data channel, If the channel quality is greater than the reference value, and generating an ad hoc relay call relay response message and transmitting to the relay terminal.
  • the present invention can increase data transmission efficiency by using data configuration information, transmission frequency information (or frequency offset information), AMC mode, and transmission power strength fed back from an object terminal when a call is connected between terminals.
  • FIG. 1 is a diagram illustrating a terminal for data transmission in an ad hoc network according to an embodiment of the present invention.
  • FIG. 4 is a flowchart illustrating a data transmission method in an ad hoc network according to a first embodiment of the present invention.
  • FIG. 8 is a flowchart illustrating a data transmission method in an ad hoc network according to a fifth embodiment of the present invention.
  • the memory 10 is a portion for storing arbitrary data, software, instructions, and the like, and may include fast random access memory, and may also include one or more magnetic disk storage devices, nonvolatile memory such as a flash memory device, or other nonvolatile memory. It may include a semiconductor memory device.
  • the memory 10 is a storage device that is located away from one or more processors, such as communication circuitry 50 or an external port 60 and the Internet, an intranet, a local area network (LAN), a wide area network (WLAN). Network attached storage that is accessed through a communication network, such as a storage area network (SAN), a suitable combination thereof, or the like. Access to the memory 10 by other components of the terminal, such as the processor 23 and the interface 25, may be controlled by the memory control circuit 21.
  • the interface 25 connects the input / output peripheral of the terminal with the processor 23 and the memory 10.
  • One or more processors 23 execute a set of instructions stored in various software programs and / or memories 10 to perform various functions for the terminal and to process data.
  • the interface 25, the processor 23 and the memory controller 21 may be implemented on one single chip or may be implemented on separate chips.
  • the display device 30 provides an interface between the user and the terminal. That is, the display device 30 may display a visual output to the user.
  • the input device 40 provides an interface between the user and the terminal. That is, the input device 40 may input a command such as an input signal to the terminal, and when the user inputs the input signal through the input device 40, the terminal detects various types of user input signals. The user's command is executed under the control of the processor 23.
  • the display device 30 and the input device 40 may be integrated or separated.
  • the communication circuit 50 transmits and receives a signal such as an electromagnetic wave.
  • the communication circuit 50 converts an electric signal into an electromagnetic wave and communicates with a communication network and other communication devices through the electromagnetic wave.
  • the communication circuit 50 includes, for example, an antenna system, an RF transceiver, one or more amplifiers, tuners, one or more oscillators, digital signal processors, CODEC chipsets, Subscriber Identity Module (SIM) cards, memory, and the like.
  • the present invention is not limited thereto, and may include well-known circuits for performing such a function.
  • one common control channel and N data channels may be allocated to each talk group.
  • the talk group 1 may include one common control channel and 15 data channels.
  • Each terminal transmits update position information, which is control information, through the common control channel when its position periodically changes, and the terminal, which receives the update position information, which is control information, through the common control channel, sends this information to the memory. Save it.
  • the terminal receiving the update location information, which is the control information may store the update location information in a table in memory.
  • the source terminal is the terminal a
  • the target terminal is the terminal b or terminal c
  • the terminal a and the terminal b, the terminal a and the terminal c may be connected to the basic call.
  • the terminal a and the terminal d can not be connected to the basic call, the terminal a can be connected to the terminal d and the ad hoc relay call through the relay of the terminal c is a relay terminal .
  • the source terminal is a terminal a
  • the target terminal is a terminal e
  • the terminal a and the terminal e can not be connected to the basic call
  • the terminal a is a relay terminal terminal c
  • the terminal e Ad hoc relay can be connected.
  • the source terminal transmits a basic call connection request message (S410). At this time, the source terminal transmits a basic call connection request message to terminals in the basic call region through a common control channel.
  • the target terminal located in the basic call region receives the basic call connection response message from the source terminal, it measures the channel quality with the source terminal and generates the basic call connection response message.
  • the basic call connection response message may include transmission frequency information, adaptive modulation and coding (AMC) mode, transmission power strength, and data channel setting information.
  • AMC adaptive modulation and coding
  • the transmission frequency information transmits the transmission frequency information reflecting the frequency error to the source terminal, and the source terminal transmits data to the target terminal in accordance with the received transmission frequency information. This enables stable link configuration between narrowband communication terminals.
  • the source terminal may check the AMC mode and consider the data transmission speed when transmitting data such as voice through the data channel.
  • the data channel configuration information is information for which the target terminal determines a data channel for connecting a source link with a source terminal.
  • the target terminal checks the occupied data channel information of the source terminal and its own occupied data channel information, sets a data channel among idle data channels not occupied, and transmits data channel setting information to the source terminal.
  • the source terminal may include idle data channel information, which is a data channel not used by the source terminal, in the basic call connection request message.
  • the target terminal may generate data channel setting information by checking its idle data channel information and the idle data channel information of the source terminal. For example, if the idle data channels of the source terminal is "channel 1", “channel 3", “channel 5", and the idle data channels of the target terminal is "channel 3", “channel 7", “channel 8", The destination terminal may include "channel 3" in the data channel configuration information.
  • the source terminal checks whether a basic call connection response message has been received (S420).
  • the source terminal transmits and receives data including the target terminal and voice (S431). At this time, the source terminal and the target terminal transmits and receives data through the data channel determined by the target terminal.
  • the source terminal terminates data transmission and reception with the target terminal when the transmission and reception of data is completed (S432).
  • the source terminal transmits the basic call connection termination message to the target terminal (S433).
  • the source terminal checks whether an ad hoc relay call connection response message has been received (S441).
  • the source terminal When the source terminal receives the ad hoc relay call connection response message, the source terminal connects the target terminal and the data link through the relay terminal (S442).
  • step S440 If the source terminal does not receive the ad hoc relay call connection response message, it performs step S440.
  • the call may be requested by repeatedly transmitting the ad hoc relay call connection request message a predetermined number of times after a predetermined time according to the setting.
  • the source terminal transmits and receives data including voice through the target terminal and the relay terminal (S443).
  • the target terminal and the relay terminal may transmit and receive data through the data channel determined by the target terminal
  • the relay terminal and the source terminal may transmit and receive data through the data channel determined by the target terminal.
  • the target terminal and the relay terminal may transmit and receive data through the data channel determined by the target terminal, and the relay terminal and the source terminal may transmit and receive data through the data channel determined by the relay terminal.
  • the source terminal terminates transmission and reception of data with the target terminal through the relay terminal (S432).
  • the source terminal transmits the ad hoc relay call connection termination message to the target terminal (S445).
  • FIG. 5 is a flowchart illustrating a data transmission method in an ad hoc network according to a second embodiment of the present invention.
  • the target terminal receives the basic call connection request message (S501). At this time, the target terminal receives the basic call connection request message through the common control channel.
  • the target terminal measures the channel quality (S502).
  • Channel quality can be channel Received signal strength indication (RSSI) and signal-to-interference ratio (CINR).
  • RSSI channel Received signal strength indication
  • CINR signal-to-interference ratio
  • the target terminal checks whether an idle data channel exists (S503).
  • the target terminal determines the data channel in consideration of the idle data channel of the source terminal and the idle data channel of the target terminal (S504).
  • the present invention has the advantage of determining the data channel in a short time by determining the data channel directly at the destination terminal, so that the source terminal and the destination terminal determine the data channel by sending and receiving messages at once.
  • the target terminal checks whether the channel quality is greater than the reference value (S506).
  • the target terminal checks whether the received signal strength (or transmit power strength) RSSI, which is the channel quality, and the CINR, which is a signal-to-noise ratio, are greater than a predetermined reference value.
  • the target terminal generates a basic call connection response message if the channel quality is greater than the reference value (S507).
  • the target terminal transmits a basic call connection response message to the source terminal (S508).
  • the basic call connection response message may include transmission frequency information, adaptive modulation and coding (AMC) mode, transmission power strength, and data channel setting information.
  • AMC adaptive modulation and coding
  • the transmission frequency information transmits the transmission frequency information reflecting the frequency error to the source terminal, and the source terminal transmits data to the target terminal in accordance with the received transmission frequency information.
  • the transmission terminal may set the transmission power strength between itself and the target terminal by checking the received transmission power strength.
  • the data channel configuration information is information for which the target terminal determines a data channel for connecting a source link with a source terminal.
  • the target terminal checks the occupied data channel information of the source terminal and its own occupied data channel information, sets a data channel among idle data channels not occupied, and transmits data channel setting information to the transmitting terminal.
  • the target terminal enters a standby state for data transmission and reception through the determined data channel (S509).
  • the target terminal can transmit and receive data including the source terminal and voice.
  • 6 is a flowchart illustrating a data transmission method in an ad hoc network according to a third embodiment of the present invention. 6 illustrates a data transmission system in a network according to an embodiment of the present invention. Here, at least one intermediate terminal may be possible.
  • the ad hoc relay call connection request message may include a source terminal ID, a target terminal ID, request count information, hop count, and occupied data channel information.
  • the source terminal ID is an identifier of the source terminal 610
  • the destination terminal ID is an identifier of the destination terminal 630
  • the request count is a count that the source terminal 610 attaches each time the ad hoc relay call connection request message
  • the hop count is information for confirming the number of hops from the source terminal 610 to the target terminal 630
  • the occupied data channel information is information of the data channel occupied by the source terminal 610 among the data channels.
  • the hop count is transmitted from the source terminal 610 to be received by the relay terminal 620, and the hop count is “1” in one hop.
  • the hop count may be expressed as “hop: 1”.
  • the source terminal 610 transmits an ad hoc relay call connection request message to the relay terminal 620 (S602).
  • the relay terminal 620 generates an ad hoc relay call relay request message (S603).
  • the ad hoc relay call relay request message may include a source terminal ID, a relay terminal ID, a target terminal ID, request count information, hop count, and occupied data channel information.
  • the source terminal ID is an identifier of the source terminal 610
  • the relay terminal ID is an identifier of the relay terminal 620
  • the target terminal ID is an identifier of the target terminal 630
  • the request count is the relay terminal 620.
  • the ad hoc relay call is a count that is added every time a relay request message is generated
  • the hop count is information for checking the number of hops from the source terminal 610 to the target terminal 630.
  • the occupied data channel information includes the relay terminal 620. Information of the data channel occupied among the data channels.
  • the hop count is two hops from the source terminal 610 to the target terminal 630, and the hop count is “2”.
  • the hop count may be expressed as “hop: 2”.
  • the relay terminal 620 transmits an ad hoc relay call relay request message to the target terminal 630 (S604).
  • the target terminal 630 selects an optimal path to the source terminal 610 (S605).
  • the target terminal 630 determines the data channel (S606). At this time, the target terminal 630 is occupied data channel information (or idle data channel information) of the target terminal 630, the occupied data channel information (or idle data channel information) of the relay terminal 620, the source terminal 610 The data channel is determined by using occupied data channel information (or idle data channel information).
  • the target terminal 630 generates an ad hoc relay call relay response message (S607).
  • the target terminal 630 transmits the ad hoc relay call relay response message to the relay terminal 620 (S608).
  • the ad hoc relay call relay response message may include transmission frequency information of the relay terminal 620, adaptive modulation and coding (AMC) mode, transmission power strength, and data channel setting information.
  • AMC adaptive modulation and coding
  • the transmission frequency information is information reflecting a frequency error when a frequency error occurs in the target terminal 630.
  • the target terminal 630 transmits transmission frequency information reflecting the frequency error to the relay terminal 620, the relay terminal 620 ) Transmits data to the target terminal 630 according to the received transmission frequency information.
  • the relay terminal 620 generates an ad hoc relay call connection response message (S609).
  • the ad hoc relay call connection response message may include transmission frequency information of the source terminal 610, adaptive modulation and coding (AMC) mode, transmission power strength, and data channel configuration information.
  • AMC adaptive modulation and coding
  • the transmission frequency information is information reflecting the frequency error.
  • the relay terminal 620 transmits the transmission frequency information reflecting the frequency error to the source terminal 610
  • the source terminal 610 transmits data to the relay terminal 620 according to the received transmission frequency information.
  • the source terminal 610, the relay terminal 620, the target terminal 630 is connected to the ad hoc data link (S611).
  • the source terminal 610 transmits and receives data including the voice and the target terminal 630 through the relay terminal 620 (S612).
  • the source terminal 610, the relay terminal 620, the target terminal 630 terminates data transmission and reception (S613).
  • the source terminal 610 transmits an ad hoc relay call connection termination message to the target terminal 630 through the relay terminal 620 (S614).
  • Steps S602 to S610 and S614 are performed in the common control channel, and step S612 is performed in the data channel.
  • FIG. 7 is a flowchart illustrating a data transmission method in an ad hoc network according to a fourth embodiment of the present invention.
  • the relay terminal receives an ad hoc relay call connection request message (S602).
  • the relay terminal measures the channel quality (702).
  • Channel quality can be channel Received signal strength indication (RSSI) and signal-to-interference ratio (CINR).
  • RSSI channel Received signal strength indication
  • CINR signal-to-interference ratio
  • the relay terminal checks whether an idle data channel exists (S703).
  • the relay terminal checks whether the hop count is smaller than the preset maximum hop number (S704).
  • the maximum number of hops is a preset value in the talk group.
  • the relay terminal If there is no idle data channel, the relay terminal generates an ad hoc relay call connection rejection message and transmits it to the source terminal (S705).
  • the relay terminal checks whether the channel quality is greater than the reference value (S706). For example, if the maximum number of hops is "2" and the hop count is "1" in the received ad hoc relay call connection request message, the relay checks whether the channel quality is greater than the reference value.
  • the relay terminal performs step S701. For example, if the maximum number of hops is "2" and the hop count is "2" or more in the received ad hoc relay call connection request message, the relay terminal performs step S701.
  • the relay terminal If the channel quality is greater than the reference value, the relay terminal generates an ad hoc relay call relay request message and transmits it to the target terminal (S707).
  • the relay terminal receives the ad hoc relay call relay response message from the target terminal (S708).
  • the relay terminal generates an ad hoc relay call connection response message and transmits it to the source terminal (S709).
  • FIG. 8 is a flowchart illustrating a data transmission method in an ad hoc network according to a fifth embodiment of the present invention.
  • the target terminal receives the ad hoc relay call relay request message for a predetermined response time (S801).
  • the ad hoc relay call relay request message may include a source terminal ID, a relay terminal ID, a target terminal ID, request count information, hop count, and occupied data channel information.
  • the target terminal measures the channel quality (S802).
  • Channel quality can be channel Received signal strength indication (RSSI) and signal-to-interference ratio (CINR).
  • RSSI channel Received signal strength indication
  • CINR signal-to-interference ratio
  • the target terminal checks whether an idle data channel exists (S803).
  • the target terminal selects an optimal path from at least one or more paths (S804).
  • the target terminal may select an optimal path in consideration of data transmission / reception capabilities such as relay hop count (or hop count), channel quality (RSSI, CINR), and the relay terminal.
  • the channel quality may include channel quality for each link and relay channel quality.
  • path 1 a path having a hop count of “2” as a path in which one relay terminal is called from the source terminal to the destination terminal
  • path 1 a path having a hop count of “2” as a path in which one relay terminal is called from the source terminal to the destination terminal
  • path 1 a path having a hop count of “2” as a path in which one relay terminal is called from the source terminal to the destination terminal
  • path 1 uses the destination terminal.
  • 9 (a) and 9 (b) are views illustrating a process of determining call connection in an ad hoc network according to an embodiment of the present invention.
  • the path 1 from source source ID1 to the destination terminal ID6 is route 1 with ID3 as the relay terminal and route 2 with ID4 and ID5 as the relay terminal.
  • the ad hoc relay call relay request message transmitted from ID3 to ID6 in path 1 is hop count “hop: 2”
  • the ad hoc relay call relay request message transmitted from ID5 to ID6 in path 2 is hop count “hop:”. 3 ”.
  • the target terminal ID6 selects the path 1 as the optimal path.
  • the target terminal If there is no idle data channel, the target terminal generates an ad hoc relay call connection rejection message and transmits it to the relay terminal or the source terminal (S805).
  • the target terminal determines the data channel (S806).
  • the destination terminal determines the data channel in consideration of the idle data channel of the source terminal, the idle data channel of the relay terminal and the idle data channel of the target terminal.
  • the target terminal checks whether the channel quality is greater than the reference value (S807).
  • the target terminal checks whether the received signal strength (or transmit power strength) RSSI, which is the channel quality, and the CINR, which is a signal-to-noise ratio, are greater than a predetermined reference value.
  • the target terminal If the channel quality is greater than the reference value, the target terminal generates an ad hoc relay call relay response message and transmits it to the relay terminal (808).
  • the ad hoc relay call relay response message may include transmission frequency information of the relay terminal, adaptive modulation and coding (AMC) mode, transmission power strength, and data channel setting information.
  • AMC adaptive modulation and coding
  • the target terminal performs step S801 if the channel quality is not greater than the reference value.
  • Method according to an embodiment of the present invention may be implemented in the form of program instructions that can be executed by various computer means may be recorded on a computer readable recording medium.
  • the computer readable recording medium may include program instructions, data files, data structures, etc. alone or in combination.
  • Programs (program instructions) recorded on the recording medium may be those specially designed and configured for the present invention, or may be known and available to those skilled in computer software.
  • Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks and magnetic tape, optical media such as CDROMs and DVDs, and magnetic-optical such as floppy disks.
  • Hardware devices specifically configured to store and execute program instructions, such as magneto-optical media, ROM, RAM, flash memory, and the like, are included.
  • Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like.
  • the hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

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Abstract

La présente invention concerne un procédé de transmission de données dans un réseau ad hoc et un terminal associé. Le procédé de transmission de données dans un réseau ad hoc, selon un mode de réalisation de la présente invention, est un procédé pour un terminal réalisant un procédé de transmission de données dans un réseau ad hoc et comprend les étapes consistant : à transmettre un message de demande de connexion d'appel de base; lorsqu'un message de réponse de connexion d'appel de base est reçu, à connecter un terminal cible à une liaison de données; lorsque le message de réponse de connexion d'appel de base n'est pas reçu, à transmettre un message de demande de connexion d'appel de transport ad hoc à un terminal de relais; et lorsqu'un message de réponse de connexion d'appel de transport ad hoc est reçu, à connecter le terminal cible avec la liaison de données par l'intermédiaire du terminal relais, le message de réponse de connexion d'appel de base comprenant des informations de configuration de canal de données.
PCT/KR2016/006375 2016-06-15 2016-06-15 Procédé de transmission de données dans un réseau ad hoc et terminal associé WO2017217569A1 (fr)

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KR10-2016-0074516 2016-06-15
KR10-2016-0074521 2016-06-15
KR20160074516 2016-06-15
KR1020160074521A KR101824452B1 (ko) 2016-06-15 2016-06-15 애드혹 네트워크에서의 데이터 전송 방법 및 이를 위한 단말

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CN110113284A (zh) * 2019-04-29 2019-08-09 西安交通大学 基于admm的超窄带和cp-ofdm共存系统中的超窄带信号检测方法
CN111147090A (zh) * 2020-01-15 2020-05-12 湖北凯乐量子通信光电科技有限公司 一种基于软件无线电的智能自组网通信系统
WO2022177154A1 (fr) * 2021-02-16 2022-08-25 주식회사 로제타텍 Dispositif d'alarme incendie ayant une fonction de régulation de trafic

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KR20140021835A (ko) * 2012-08-10 2014-02-21 삼성전자주식회사 무선 통신 네트워크에서 2 홉 링크 전송을 위한 방법 및 장치
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110113284A (zh) * 2019-04-29 2019-08-09 西安交通大学 基于admm的超窄带和cp-ofdm共存系统中的超窄带信号检测方法
CN111147090A (zh) * 2020-01-15 2020-05-12 湖北凯乐量子通信光电科技有限公司 一种基于软件无线电的智能自组网通信系统
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WO2022177154A1 (fr) * 2021-02-16 2022-08-25 주식회사 로제타텍 Dispositif d'alarme incendie ayant une fonction de régulation de trafic

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