WO2013157711A1 - Système et terminal portable permettant de relayer un signal sans fil dans un réseau sans fil multi-sauts et procédé afférent - Google Patents

Système et terminal portable permettant de relayer un signal sans fil dans un réseau sans fil multi-sauts et procédé afférent Download PDF

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Publication number
WO2013157711A1
WO2013157711A1 PCT/KR2012/009011 KR2012009011W WO2013157711A1 WO 2013157711 A1 WO2013157711 A1 WO 2013157711A1 KR 2012009011 W KR2012009011 W KR 2012009011W WO 2013157711 A1 WO2013157711 A1 WO 2013157711A1
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WO
WIPO (PCT)
Prior art keywords
service
data
portable terminal
server
mobile
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PCT/KR2012/009011
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English (en)
Korean (ko)
Inventor
정상화
김정수
Original Assignee
부산대학교 산학협력단
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.)
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Priority claimed from KR1020120040370A external-priority patent/KR101377039B1/ko
Priority claimed from KR1020120071814A external-priority patent/KR101366833B1/ko
Application filed by 부산대학교 산학협력단 filed Critical 부산대학교 산학협력단
Publication of WO2013157711A1 publication Critical patent/WO2013157711A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24—Accounting or billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/83—Notification aspects
    • H04M15/85—Notification aspects characterised by the type of condition triggering a notification
    • H04M15/854—Available credit
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/18—Service support devices; Network management devices

Definitions

  • the present invention relates to an IEEE 802.11 based wireless multi-hop network, and more particularly, to a system, a portable terminal, and a method for wireless signal relay in a wireless multi-hop network.
  • One is to use a commercial wireless network such as 3G and 4G, and the other is to use a free IEEE 802.11 based wireless AP.
  • portable terminals such as smartphones have a variable distance from the wireless AP with which they are currently communicating, so the signal strength is easily weakened and communication with the wireless AP is likely to be interrupted.
  • the range of communication with the wireless AP varies depending on the manufacturer, but it supports stable communication within an average maximum distance of 50m for general use and 200m for outdoor use for corporate use. In such an environment, it is impossible to move a portable terminal outdoors and use a wireless network unless the wireless AP is continuously installed at a narrow interval.
  • a wireless multi-hop network extends a communication range through signal relay of a portable terminal.
  • the portable terminal 1 relays the signal of the wireless AP and the portable terminal 2 Will be able to use the wireless network.
  • the relay operation in such a wireless multi-hop network is limited to a specific situation in which the portable terminal must transmit previously received data to another portable terminal through signal relay.
  • the present invention is to solve such a problem in the wireless multi-hop network of the prior art, by providing a difference in the credits for the service using the commercial network and wireless AP to participate in the radio relay of users who want to receive the real-time streaming service
  • An object of the present invention is to provide a system, a portable terminal, and a method for relaying a wireless signal in a wireless multi-hop network.
  • the present invention provides a system for relaying wireless signals in a wireless multi-hop network, which allows a user to voluntarily participate in the wireless multi-hop network to relay wireless signals to other users who want to receive Internet data service.
  • the object is to provide a portable terminal and a method thereof.
  • the present invention provides a system and a portable system for relaying wireless signals in a wireless multi-hop network which secures the ease of configuring an IEEE 802.11-based wireless multi-hop network and enables a user to voluntarily participate in the wireless multi-hop network to improve the quality of a real-time streaming service. Its purpose is to provide a terminal and its method.
  • the present invention provides a service synchronization control module in both the intermediate node and the end node, and uses a multicast communication to efficiently use the radio bandwidth and to allow multiple end nodes to simultaneously receive data in a wireless multihop network. It is an object of the present invention to provide a portable terminal and method for relaying wireless signals.
  • the present invention communicates in a multicast manner so that multiple end nodes can receive data simultaneously.
  • the data streaming module of an intermediate node delivers data to the end node, it efficiently uses radio bandwidth and uses resources of the intermediate node. It is an object of the present invention to provide a portable terminal and method for relaying a wireless signal in a wireless multi-hop network to reduce the usage.
  • the present invention is a wireless multi-hop network in which both the intermediate node and the end node has a service synchronization control module so that the synchronization between the terminals can be achieved when several portable terminals simultaneously watch a sports relay service. It is an object of the present invention to provide a portable terminal and method for relaying wireless signals.
  • a system for wireless signal relay provides a real-time data streaming service when a mobile intermediate node requests a data service, and provides a real-time data streaming service.
  • Validation and management server Receives data according to the real-time data streaming service provided from the server, if there is a data service request from the mobile terminal node, and receives the received data to the mobile terminal node credits according to the data transfer It comprises a mobile intermediate node; receiving a data service to the mobile intermediate node to receive data and the mobile end node to bear the credit accordingly; characterized in that comprises a wireless multi-hop network.
  • the server checks whether the corresponding service is available, and if possible, notifies the service connection control module of the mobile intermediate node and sends data to the mobile intermediate node through the data streaming module of the server.
  • a server connection control module which transmits data to a node and rejects a request to a mobile intermediate node when a corresponding service is not available, a data streaming module which transmits data under the control of the server connection control module, and from the mobile intermediate node.
  • a credit validation and management module for validating mobile intermediate node credits and managing credit and point-to-point conversions according to credit-related requests, and charging points or requesting credits and points-to-points upon request from the credit validation and management moduleIt characterized in that it comprises a point management module of a ring.
  • the mobile intermediate node searches for a service provided by the server, provides information to the user, requests the server for a desired service from the server, and when the server receives approval from the server, receives the data through the data streaming module and provides the service to the user.
  • a service streaming control module providing a data streaming module for receiving data from the server and receiving data from the server and requesting a service from the mobile terminal node and receiving data from the service connection control module, and transferring the data;
  • Receiving information from the streaming module to manage the credit characterized in that it comprises a credit validation and management module for checking the validity of the credit.
  • the service connection control module of the mobile intermediate node participating in the wireless multi-hop network configuration may be disclosed so that neighboring mobile end nodes can check what services they can provide.
  • the credit validation and management module of the mobile intermediate node is characterized in that the request to the credit validation and management module of the server to convert between the credit and the point or to charge the point.
  • the mobile end node searches for a service provided by the mobile intermediate node, provides information to the user, requests a service desired by the user to the mobile intermediate node, and receives data through the data streaming module when the mobile intermediate node receives approval.
  • a service connection control module for receiving a service and providing a service to a user, a data streaming module for receiving data from the mobile intermediate node and serving the user, receiving information from the data streaming module, managing credits, and validating credits. It characterized in that it comprises a credit validation and management module to verify.
  • N the number of mobile end nodes that provide the data service
  • T a time at which the mobile end node receives the data service
  • ⁇ is a constant according to the type of the corresponding real-time data streaming service.
  • ⁇ is a service provider arbitrarily determined according to the type of the corresponding real-time data streaming service and whether or not the mobile terminal node is provided with a data service is a paid network, if the service is provided through a paid commercial network wireless AP Compared to the case where the service is provided through a larger value of ⁇ is characterized in that it is determined.
  • an advertisement is inserted in the middle of the provision of the real-time data streaming service, characterized in that the real-time data streaming service provider earns money.
  • Method for wireless signal relay in a wireless multi-hop network for achieving another object is a real-time data streaming service using a wireless multi-hop network consisting of a server, a mobile intermediate node, a mobile end node, mobile intermediate node
  • the server provides a real-time data streaming service when a data service request is made; Receiving data according to a real-time data streaming service provided by a mobile intermediate node; A mobile intermediate node when a data service request is received from a mobile end node. And receiving the received data to the mobile end node and receiving credits according to the data transfer; the mobile end node receiving data from the mobile intermediate node and paying the credit accordingly.
  • the validation and management of credit provided in accordance with the time data streaming service.
  • a method for relaying a wireless signal in a wireless multi-hop network according to the present invention in a real-time data streaming service using a wireless multi-hop network including a server, a mobile intermediate node, and a mobile end node.
  • Determining whether the node is a data related service request or a credit and point related service request in the case of a data related service, making a service request to a server access control module of a server; streaming a data of a server when a service request is approved by the server Receiving data from the module; In this state, if there is a service request from the mobile end node, determining whether data service according to the service request is possible; Data streaming module of the mobile intermediate node delivers data to the mobile end node Sweet Characterized by the credit validation and management module for calculating and storing; characterized in that performing.
  • the credit validity is checked through the credit validity verification and management module of the mobile intermediate node, and the credit and the point are converted and managed.
  • Portable terminal for wireless signal relay in a wireless multi-hop network for achieving another object is a service connection control module for processing a service request and approval process for a real-time data streaming service provided from a server;
  • a data streaming module for receiving and transmitting data according to a streaming service;
  • Credit validation and management module for receiving information from the data streaming module during data transmission, managing credit, and checking the validity of the credit; It is done.
  • the service connection control module searches for a service provided by the server and provides information to the user, requests a service desired by the user to the server, and when approval is received from the server, receives the data through the data streaming module and provides the user with the information. It provides a service.
  • the data streaming module receives data from the server, and if there is a portable terminal end node that has requested and serviced the data, receives the data from the service connection control module and sends the data to another portable terminal constituting the portable terminal end node. Characterized by passing.
  • the portable terminal further includes a service synchronization module for controlling service synchronization so that all portable terminals participating in the wireless multi-hop network can receive services at the same time when there are several portable terminal end nodes requesting service. It is done.
  • the terminal end node is characterized in that the communication in a multicast manner to receive data at the same time.
  • the portable terminal constituting the portable terminal end node is an intermediate node when the portable terminal constituting another portable terminal end node lower than the portable terminal end node requests the real-time data streaming service. It characterized in that to provide.
  • the service connection control module of the portable terminal constituting the portable terminal intermediate node is characterized in that the other portable terminal constituting the portable terminal terminal node around the public to determine what services it can provide.
  • the credit validation and management module of the portable terminal may request a conversion between a credit and a point or request point charging to a server.
  • the portable terminal configures a portable terminal intermediate node that receives data from a server and delivers the data to a lower node, the portable terminal terminal node, and another portable terminal terminal node lower than the portable terminal terminal node.
  • the link bandwidth is higher than that of the mobile terminal constituting the node via the portable terminal constituting another node rather than directly communicating with the mobile terminal constituting another node, the mobile terminal communicates through the corresponding node having the high link bandwidth. It is done.
  • a method for relaying wireless signals in a wireless multi-hop network in which a mobile terminal constituting a portable terminal intermediate node requests a data related service in a real-time data streaming service using a wireless multi-hop network. Determining whether the service is related to a recognition credit and a point; in the case of a data-related service, making a service request to a server; receiving a data from a server when a service request is approved at the server; Determining whether data service is available according to the service request when there is a service request from another mobile terminal to be configured; another data of which the data streaming module of the mobile terminal constituting the mobile terminal intermediate node configures the mobile terminal end node. It characterized in that it comprises a; transferring data as a proxy device.
  • the portable terminal constituting the portable terminal intermediate node may further perform credit calculation and storage according to a data service through a credit validation and management module.
  • all the portable terminals participating in the wireless multi-hop network can receive the service at the same time. It provides a data by synchronizing services.
  • the portable terminal constituting one node is a portable terminal constituting another node than directly communicating with the portable terminal constituting another node.
  • the communication is performed through a corresponding node having a high link bandwidth.
  • Such a system, a portable terminal and a method for relaying a wireless signal in a wireless multi-hop network according to the present invention have the following effects.
  • the wireless bandwidth can be efficiently used and multiple end nodes can simultaneously receive data.
  • both the intermediate node and the end node have a service synchronization control module, the quality of the real-time streaming service can be improved by synchronizing between terminals when several portable terminals simultaneously watch a sports relay service.
  • 1 is a block diagram illustrating a signal relay operation in a wireless multi-hop network
  • FIG. 2 is a block diagram showing a data transfer and credit acquisition process using a system and a portable terminal for the wireless signal relay in a wireless multi-hop network according to the present invention
  • FIG. 3 is a block diagram of a wireless signal relay system in a wireless multi-hop network according to the present invention
  • FIG. 4 is a block diagram illustrating a signal relay operation using a portable terminal for wireless signal relay in a wireless multi-hop network according to the present invention.
  • FIG. 5 is a detailed configuration diagram of a portable terminal for wireless signal relay in a wireless multi-hop network according to the present invention.
  • FIG. 6 is a flowchart illustrating a server operation for wireless signal relay in a wireless multi-hop network according to the present invention.
  • FIG. 7 is a flowchart illustrating a portable terminal operation for wireless signal relay in a wireless multi-hop network according to the present invention.
  • FIG. 8 is a block diagram showing the improvement of the bandwidth efficiency by multicast multi-hop communication in a wireless multi-hop network according to the present invention
  • FIG. 2 is a block diagram illustrating a data transfer and a credit acquisition process using a system and a portable terminal for wireless signal relay in a wireless multi-hop network according to the present invention
  • Figure 3 is a wireless signal in a wireless multi-hop network according to the present invention It is a block diagram of the relay system.
  • the present invention provides a wireless multi-hop network composed of portable terminals instead of watching the service regardless of whether the portable terminal is provided with a service through a commercial network such as 3G, 4G or IEEE 802.11 based wireless AP. Voluntary participation.
  • the portable terminal requesting the service transmits the data for viewing.
  • a wireless signal relay system In the wireless multi-hop network according to the present invention, a wireless signal relay system, a portable terminal, and a method thereof have the following technology configuration to allow a mobile node to voluntarily participate in wireless signal relay when providing a real time streaming service such as sports relay. .
  • Real-time streaming services such as sports relay, profit from the service provider placing the advertisement in the middle of the user's viewing and watching the advertisement.
  • the present invention when receiving a real-time streaming service, such as sports relay voluntarily participates in the wireless multi-hop network to deliver the real-time streaming data received by the mobile terminal to another portable terminal in the wireless multi-hop network In exchange for the resources provided by the relay, the credit is provided in proportion to the time of service.
  • a real-time streaming service such as sports relay voluntarily participates in the wireless multi-hop network to deliver the real-time streaming data received by the mobile terminal to another portable terminal in the wireless multi-hop network
  • the credit is provided in proportion to the time of service.
  • a mobile terminal that views the service is a wireless multi-user terminal composed of portable terminals instead of watching the service regardless of whether it is provided through a commercial network such as 3G or 4G or through an IEEE 802.11 based wireless AP. Voluntary participation in the hop network.
  • the information on the service that is being provided should be disclosed so that other portable terminals in the wireless multi-hop network can be retrieved.
  • the portable terminal requesting the service should deliver the data for viewing.
  • the portable terminal receives a credit in proportion to the number of portable terminals receiving the corresponding service and the time for providing the corresponding service, as shown in Equation 1 below.
  • N is the number of other portable terminals provided with the service from the portable terminal
  • T is the time when the other portable terminal is provided with the service
  • ⁇ is a constant according to the type of the corresponding real-time streaming service.
  • a user may acquire a large number of credits by continuously providing a service to the same mobile device by using a credit providing function.
  • each mobile terminal is identified using a unique identification number for each mobile terminal, and the amount of credits that can be received for a specific period of d hours, such as a day or a week, which can be received by serving a mobile terminal. Limited to These d and ⁇ are arbitrarily determined and disclosed by the service provider.
  • ⁇ is arbitrarily determined and disclosed by the service provider according to the type of the corresponding real-time streaming service and whether the mobile terminal receives the service from the paid network or not.
  • a mobile terminal When a mobile terminal is provided with a service through a commercial network such as 3G or 4G, it should be set to a larger ⁇ value than when a mobile terminal is provided with a service through a wireless AP. Doing so will allow the user to use the service at the expense of the commercial network.
  • a commercial network such as 3G or 4G
  • the service provider may also acquire more service viewers than the service through the wireless AP only by designating a larger ⁇ for the user using the commercial network.
  • the mobile terminal voluntarily participates in the wireless multi-hop network to view the service, retrieves information about the service provided by the other mobile terminal on the network, and requests the mobile node for the service that it wants to receive. To be provided.
  • Credits received in exchange for the services provided by the portable terminal should also be utilized to benefit the user.
  • the provided credits are managed by the application provided by the service provider and should not be manipulated arbitrarily by the user.
  • This credit may be used as Equation 2 when the portable terminal receives the corresponding service from another portable terminal through a wireless multi-hop network, or may be used as a point charging service provider. Conversely, credits can be charged to the service provider's points.
  • t is a time when the mobile terminal is provided with the service
  • ⁇ is a constant according to the type of the real-time streaming service.
  • ⁇ is arbitrarily determined and disclosed by the service provider according to the type of the corresponding real-time streaming service.
  • the wireless signal relay system in the wireless multi-hop network includes a server 300, a mobile intermediate node 310, and a mobile end node 320, as shown in FIG.
  • the server 300 When the server 300 requests a service to the server 300, the server 300 checks whether the corresponding service is available, and if possible, notifies the service connection control module 35 of the mobile intermediate node and the server 300.
  • the server connection control module 31 transmits data to the mobile intermediate node 310 through the data streaming module 32 of the server, and sends a rejection of the request to the mobile intermediate node 310 when the corresponding service is unavailable.
  • the data streaming module 32 transmits data under the control of the control module 31, and processes a job when a credit related request is received from the mobile intermediate node 310, verifies the validity of the mobile intermediate node credit, Credit validation and management module 33 that manages the point-to-point conversion, and requests from credit validation and management module 33 to process and It includes a point management module 34 for conversion between a charging agent, or credit the point.
  • the mobile intermediate node 31 includes a service connection control module 35, a data streaming module 36, and a credit validation and management module 37.
  • the mobile intermediate node 31 searches for a service provided by the server 300 to provide information to the user, requests a service desired by the user to the server 300, and when the server 300 approves the data streaming module. If there is a service connection control module 35 that receives data through 36 and provides a service to a user, and a mobile end node 320 that receives and services data from the server 300 and requests a service to itself,
  • the data streaming module 36 which transmits data with the approval of the connection control module 35, and the credit validity check that manages the credits and receives the information from the data streaming module 36 during the data delivery service, and checks the validity of the credits.
  • a management module 37 which transmits data with the approval of the connection control module 35, and the credit validity check that manages the credits and receives the information from the data streaming module 36 during the data delivery service, and checks the validity of the credits.
  • a management module 37 which transmits data with the approval of the connection control module 35, and the credit validity check that manages the credits and receives the information from the data streaming module
  • the service connection control module 35 discloses that the surrounding mobile end node 320 can check what service it can provide.
  • the credit validation and management module 37 of the mobile intermediate node 31 requests the credit validation and management module 33 of the server 300 to convert between credits and points or charge points.
  • the mobile end node 320 includes a service connection control module 38, a data streaming module 39, and a credit validation and management module 40.
  • the mobile end node 320 searches for a service provided by the mobile intermediate node 310 to provide information to the user, requests the mobile intermediate node 310 for a desired service from the mobile intermediate node 310, and the mobile intermediate node 310.
  • the service connection control module 38 for receiving data and providing a service to the user through the data streaming module 39 and the data streaming module for receiving data from the mobile intermediate node 310 and serving the user.
  • 39 and a credit validation and management module 40 for managing information by receiving information from the data streaming module 39 and verifying the validity of the credit.
  • the credit validation and management module 40 of the mobile terminal node 320 requests the credit validation and management module 33 of the server 300 to convert between the credit and the point, or request for point charging.
  • the configuration of a portable terminal for wireless signal relay in a wireless multi-hop network according to the present invention is as follows.
  • FIG. 4 is a block diagram illustrating a signal relay operation using a portable terminal for wireless signal relay in a wireless multi-hop network according to the present invention
  • FIG. 5 is a diagram of a portable terminal for wireless signal relay in a wireless multi-hop network according to the present invention. Detailed configuration diagram.
  • the present invention provides a service synchronization control module in both the intermediate node and the end node, and communicates in a multicast manner to efficiently use the radio bandwidth and to allow multiple end nodes to receive data at the same time.
  • the portable terminal for wireless signal relay in a wireless multi-hop network will be described in detail as follows.
  • the data streaming module of the portable terminal intermediate node receives data from a server and services the data streaming module, and if there is a portable terminal requesting service from the server, the data streaming module receives the service connection control module and transmits the data.
  • the data streaming module of the portable terminal intermediate node delivers data to the portable terminal end node
  • several portable terminal end nodes simultaneously transmit data in order to use wireless bandwidth efficiently and reduce resource usage of the portable terminal intermediate node. Communicate in a multicast fashion to receive.
  • the portable terminal end node is a node belonging to a wireless multi-hop network, as shown in FIG. 3, by connecting another portable terminal end node thereof to provide a service, so that the portable terminal end node can act as an intermediate node.
  • the wireless signal relay system includes a server 400, a portable terminal intermediate node 410, and a portable terminal end node 420, as shown in FIG. 5.
  • the server 400 checks whether the corresponding service is available, and if possible, notifies the service connection control module 45 of the portable terminal intermediate node and the server (
  • the server access control module 41 transmits data to the portable terminal intermediate node 410 through the data streaming module 42 of 400 and sends a rejection of the request to the portable terminal intermediate node 410 when the corresponding service is not available.
  • a data streaming module 42 for transmitting data under the control of the server connection control module 41, and processing a job when a credit related request is received from the portable terminal intermediate node 410, and processing of the portable terminal intermediate node credit.
  • a credit validation and management module (43) and a credit validation and management module (43) that validate and manage credit-to-point conversions Emitter handles on request includes a point management module (44) for conversion between charge or credit point and the point.
  • the portable terminal intermediate node 410 includes a service connection control module 45, a data streaming module 46, a credit validation and management module 47, and a service synchronization module 48.
  • the portable terminal intermediate node 410 searches for a service provided by the server 400 to provide information to the user, requests a service desired by the user from the server 400, and receives data from the server 400 when the server 400 receives the approval.
  • the service connection control module 45 which receives data through the module 46 and provides a service to the user, and the portable terminal end node 420 which receives and services data from the server 400 and requests the service to the user are provided.
  • a data streaming module 46 which transfers data with the approval of the service connection control module 45, and a credit that receives information from the data streaming module 46 during data delivery service, manages the credit, and checks the validity of the credit. If there are multiple validation and management modules 47 and multiple portable terminal end nodes 420 who have requested services from them And a service synchronization module 48 for controlling service synchronization so that all portable terminals participating in the multi-hop network can receive the service at the same time.
  • the service connection control module 45 discloses that the surrounding portable terminal end node 420 can check what service it can provide.
  • the credit validation and management module 47 of the portable terminal intermediate node 410 requests the credit validation and management module 43 of the server 400 to convert between credits and points or charge points.
  • the portable terminal end node 420 includes a service connection control module 49, a data streaming module 50, a credit validation and management module 51, and a service synchronization module 52.
  • the portable terminal end node 420 searches for a service provided by the portable terminal intermediate node 410 to provide information to the user, requests the portable terminal intermediate node 310 for a desired service from the portable terminal intermediate node 410, Upon approval of the node 310, the service connection control module 49 receives data through the data streaming module 50 and provides a service to the user, and receives data from the portable terminal intermediate node 310 and sends the data to the user.
  • a service data streaming module 50 a credit validation and management module 51 for managing information by receiving information from the data streaming module 50, validating the credit, and another portable terminal subnode thereof To act as an intermediate node to provide services by connecting a network, all nodes participating in a wireless multi-hop network Service synchronization module 52 for controlling the service synchronization so that all the portable terminal can receive the service at the same time.
  • the credit validation and management module 51 of the portable terminal end node 420 requests the credit validation and management module 43 of the server 400 to convert between credits and points or charge points.
  • FIG. 6 is a flowchart illustrating a server operation for wireless signal relay in a wireless multi-hop network according to the present invention.
  • the server access control module 31 determines whether the server 300 is serviceable (S405).
  • the data streaming module 32 of the server 300 transmits data to the mobile intermediate node 310 (S406).
  • the credit validity checking and managing module 33 of the server 300 checks the credit validity (S403), and manages credits and points such as credit and point conversion. )
  • FIG. 7 is a flowchart illustrating an operation of a portable terminal for wireless signal relay in a wireless multi-hop network according to the present invention.
  • the portable terminal intermediate node 410 determines whether the service is a data related service (S601), and in the case of the data related service, a service request is made to the server access control module 41 of the server 400. (S603)
  • the server 400 determines whether the service request is approved (S604), and if the service request is approved, data is received from the data streaming module 42 of the server 400 (S607).
  • the data streaming module 46 of the portable terminal intermediate node 410 transfers the data to the portable terminal terminal node 420.
  • step S601 If it is not a data-related service in step S601, it is determined whether the credit and point-related service request (S602).
  • the credit validity is checked through the credit validation and management module 47 of the portable terminal intermediate node 410 (S605), and credit and point management such as credit and point conversion between credits and points. (S606)
  • the portable terminal for wireless signal relay in the wireless multi-hop network includes a service connection control module, a data streaming module, a credit validation and management module, and a service synchronization module.
  • the service connection control module searches for a service provided by the server and provides the information to the user.
  • the data is transmitted through the data streaming module. Receive and provide services to the user.
  • the service connection control module discloses to the surrounding portable terminal to check what service it can provide.
  • the data streaming module of the intermediate node receives and services data from the server, and if there is a portable terminal (terminal node) requesting service from the server, the data streaming module receives the service connection control module and delivers the data.
  • an intermediate node's data streaming module delivers data to an end node, it communicates in a multicast manner so that multiple end nodes can simultaneously receive data in order to use wireless bandwidth efficiently and reduce resource usage of the intermediate node. Do it.
  • the validity check and management module of the intermediate node receives information from the data streaming module during the data delivery service, manages the credit, and checks the validity of the credit.
  • the credit validation and management module requests the server to convert credits and points or charge points.
  • the service connection control module of the end node searches for the service provided by the intermediate node, provides the information to the user, requests the user the desired service from the intermediate node, and streams the data when the intermediate node receives the approval. Receive data through the module and provide services to the user.
  • the data streaming module of the end node receives the multicast data transmitted from the intermediate node and serves the user.
  • the end node's credit validation and management module receives the information from the data streaming module to manage the credits and validate the credits.
  • the credit validation and management module requests the server to convert credits and points or charge points.
  • the end node is a node belonging to the wireless multi-hop network, and as shown in FIG. 3, the end node may serve as an intermediate node by connecting another end node to provide a service.
  • the portable terminal according to the present invention which configures an intermediate node and an end node for wireless signal relay in a wireless multi-hop network, includes a service synchronization control module.
  • the service synchronization control module of the mobile terminal which is an intermediate node and an end node, prevents inconvenience of viewers by providing a service late because a specific terminal is not synchronized when multiple portable terminals simultaneously watch sports relay service. In order to provide a service synchronization control so that all the terminals participating in one wireless multi-hop network can receive the service at the same time.
  • the process and characteristics of the multicast multi-hop communication in the portable terminal and method for wireless signal relay in the wireless multi-hop network according to the present invention are as follows.
  • FIG. 8 is a block diagram showing the improvement of bandwidth efficiency by multicast multi-hop communication in a wireless multi-hop network according to the present invention.
  • Multi-hop communication is required for efficient multicast communication between portable terminals.
  • the link with portable terminal C is 2 Mbps.
  • data is transmitted in a 2Mbps bandwidth in accordance with a link with the portable terminal C having the lowest link bandwidth.
  • the portable terminal A communicates with the portable terminal C in two hops
  • the portable terminal A communicates with the subordinate node at 11 Mbps and the portable terminal B transmits data to the portable terminal C, thereby allowing the portable terminal A to communicate with the portable terminal C.
  • bandwidth efficiency is improved.
  • the portable terminal according to the present invention is lower than the portable terminal intermediate node, the portable terminal end node, and the portable terminal end node that receive data by a real-time data streaming service provided from a server and deliver the data to a lower node (portable terminal end node).
  • the multicast multi-hop communication is performed via a node having a high link bandwidth.
  • a portable terminal constituting a portable terminal intermediate node that receives data by a real-time data streaming service provided from a server and delivers the data to a lower node (portable terminal end node). If the link bandwidth is high, it is through the corresponding node when the link bandwidth is higher than other direct communication terminals constituting lower nodes than direct communication.
  • the wireless signal relay system and method in the wireless multi-hop network according to the present invention to ensure the ease of configuration of the IEEE 802.11-based wireless multi-hop network and to increase the quality of the real-time streaming service by allowing the user to voluntarily participate in the wireless signal relay, By providing the difference between the credits for the service using the commercial network and the wireless AP, it is possible to increase the participation rate for users who want to receive the live streaming service.
  • the portable terminal and method for relaying a wireless signal in a wireless multi-hop network includes a service synchronization control module at both the intermediate node and the end node, and efficiently uses the wireless bandwidth by performing multicast communication. This allows the end nodes to receive data at the same time.
  • the present invention provides a system, a portable terminal, and a method for relaying a wireless signal in a wireless multi-hop network in which wireless bandwidth is efficiently used and multiple end nodes can simultaneously receive data.

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  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un réseau sans fil multi-sauts normalisé IEEE 802.11, et plus précisément un système et un terminal portable permettant de relayer un signal sans fil dans un réseau sans fil multi-sauts, ainsi qu'un procédé afférent. Ledit terminal portable comprend : un module de commande de connexion à un service pour le traitement d'une demande de service et du processus d'approbation concernant un service de diffusion en continu de données en temps réel fourni par un serveur; un module de diffusion en continu de données pour la réception et la fourniture de donnés en fonction du service de diffusion en continu de données en temps réel; et un module de confirmation et de gestion de la validité des crédits qui reçoit les informations de réception provenant du module de diffusion en continu de données pendant la fourniture des données pour gérer un crédit et confirmer la validité du crédit.
PCT/KR2012/009011 2012-04-18 2012-10-31 Système et terminal portable permettant de relayer un signal sans fil dans un réseau sans fil multi-sauts et procédé afférent WO2013157711A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020120040370A KR101377039B1 (ko) 2012-04-18 2012-04-18 무선 멀티홉 네트워크에서 무선 신호 중계 참여 유도 시스템 및 방법
KR10-2012-0040370 2012-04-18
KR1020120071814A KR101366833B1 (ko) 2012-07-02 2012-07-02 무선 멀티홉 네트워크에서 무선 신호 중계를 위한 휴대용 단말기 및 방법
KR10-2012-0071814 2012-07-02

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WO2013157711A1 true WO2013157711A1 (fr) 2013-10-24

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WO (1) WO2013157711A1 (fr)

Citations (3)

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Publication number Priority date Publication date Assignee Title
KR20050094148A (ko) * 2004-03-22 2005-09-27 한국전자통신연구원 이동 애드혹 네트워크 장치 및 그 구성 방법
KR20050119176A (ko) * 2003-04-01 2005-12-20 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 멀티홉 통신 관리 방법, 수신 이동 단말로의 호출 개시방법 및 무선 통신 시스템
KR20100055485A (ko) * 2007-08-17 2010-05-26 콸콤 인코포레이티드 무선 네트워크를 위한 서비스를 제공하는 애드혹 서비스 공급자의 성능

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