WO2014015730A1 - 一种设备和服务的发现方法、设备中间件 - Google Patents
一种设备和服务的发现方法、设备中间件 Download PDFInfo
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- WO2014015730A1 WO2014015730A1 PCT/CN2013/077815 CN2013077815W WO2014015730A1 WO 2014015730 A1 WO2014015730 A1 WO 2014015730A1 CN 2013077815 W CN2013077815 W CN 2013077815W WO 2014015730 A1 WO2014015730 A1 WO 2014015730A1
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- WIPO (PCT)
- Prior art keywords
- service
- network
- central node
- user terminal
- terminal device
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000010187 selection method Methods 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 5
- 238000012549 training Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 abstract description 10
- 230000006855 networking Effects 0.000 abstract description 4
- 238000004891 communication Methods 0.000 description 5
- 230000003993 interaction Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/189—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast in combination with wireless systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1061—Peer-to-peer [P2P] networks using node-based peer discovery mechanisms
-
- 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
- H04W4/08—User group management
-
- 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
- H04W40/246—Connectivity information discovery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
Definitions
- the present invention relates to the field of wireless communication technologies, and in particular, to a device and service discovery method and device middleware. Background technique
- the device in the prior art finds that the peripheral device information is obtained through a channel broadcast or a multicast message to form a network, and the service is transmitted and presented through user configuration based on the network.
- the device cannot be autonomous because the device discovery process does not involve service discovery. Complete the provision of ubiquitous business.
- many communication protocols do not support ad hoc network architecture without pre-configuration. For example, a terminal device supporting a wireless local area network (WIFI) communication protocol cannot access peripheral devices and services without an access point (AP). Obtaining, which also causes the device to be unable to complete service matching and ubiquitous service provisioning. Summary of the invention
- the main purpose of the embodiments of the present invention is to provide a device and service discovery method and device middleware, so as to solve the problem that the prior art cannot implement service discovery, and cannot complete service matching and ubiquitous service provision independently.
- An embodiment of the present invention provides a method for discovering a device and a service, where the method includes: The user terminal device broadcasts its own device information and service capability information, and searches for surrounding service network information, device information not added to the service network, and service capability information of the device;
- the user terminal device is configured to join the service network, and interact with the central node of the service network to complete the service;
- the user terminal device selects the central node from the device that has not joined the service network and has the service capability required to complete the service, and selects the central node according to the selection.
- the central node configuration generates a service network, and interacts with the selected central node to complete the service.
- the user terminal device is configured to join the service network, including:
- the user terminal device is configured to perform a STA mode, set a network ID, and send a dynamic address acquisition request to a central node of the service network to obtain an IP address allocated by a central node of the service network.
- the generating the service network according to the selected central node configuration comprises: configuring the selected central node as an access point AP mode, the central node enabling dynamic address allocation, and opening a dynamic address allocation port;
- the user terminal device is configured in an STA mode, sets a network ID, and sends a dynamic address obtaining request to the selected central node to obtain an IP address allocated by the central node.
- one of the following methods is used to select the central node:
- Random selection method competition selection method based on game theory, and selection method of rotation training.
- the service network information includes: a central node identifier ID number of the service network, and a service label provided.
- the device information includes: a device identifier, a port number, a storage capability, a processing capability, and a display capability.
- An embodiment of the present invention further provides a device middleware, where the device middleware is located at a network layer.
- the media access control MAC layer the device middleware includes: a service query and call module, an information broadcast and search module, and a network configuration module;
- the service query and call module is configured to query the application layer for device information and service capability information of the user terminal device;
- the information broadcast and search module is configured to control MAC device broadcast device information and service capability information of the user terminal device, and search for surrounding service network information, device information not added to the service network, and service capability information of the device;
- the network configuration module is configured to interact with the network layer to add the user terminal device configuration to the service network when searching for a service network having a service capability required for the user terminal device to complete the service, and
- the central node of the service network performs the interaction to complete the service; when there is no service network with the service capability required by the user terminal device to complete the service, the device that has never joined the service network and has the service capability required to complete the service is selected.
- the central node generates a service network according to the selected central node configuration, and performs interaction with the selected central node to complete the service.
- the network configuration module is further configured to add the user terminal device configuration to the service network by:
- the network configuration module is further configured to generate a service network according to the selected central node configuration by:
- the selected central node is configured as an access point AP mode, and the central node starts a dynamic address allocation service, and opens a dynamic address allocation port;
- the network configuration module is further configured to select the central node by using one of the following methods:
- Random selection method competition selection method based on game theory, and selection method of rotation training.
- a device and service discovery method and device middleware provided by an embodiment of the present invention independently complete service discovery and network configuration when a user equipment enters an area where a service device is distributed, and autonomously aggregate device capabilities in a certain area. Unified service provisioning is achieved through the cooperation of multiple devices. Since device discovery and service discovery are performed simultaneously, transparent access to service capabilities is realized, eliminating the cumbersome process of user configuration and satisfying the user's optimal service experience. DRAWINGS
- FIG. 1 is a flowchart of a method for discovering devices and services according to an embodiment of the present invention
- FIG. 2 is a schematic structural diagram of a device middleware according to an embodiment of the present invention
- FIG. 3 is a flowchart of a method for discovering peripheral devices and services by using device middleware and completing service provision according to an embodiment of the present invention
- FIG. 4 is a schematic diagram of a specific application scenario of a discovery method according to an embodiment of the present invention. detailed description
- a device and service discovery method provided by the embodiment of the present invention mainly includes the following steps:
- Step 101 The user terminal device broadcasts its own device information and service capability information, and searches for surrounding service network information, device information not added to the service network, and service capability information of the device.
- the user terminal device When the user terminal device enters the area where the service device is distributed, and the service capability of the peripheral device needs to complete the service provision, the user terminal device informs the peripheral device of the device information and the service capability information by using the broadcast or multicast message.
- the device information includes:
- the service capability information is a service capability that the user terminal device can provide, such as a camera function, a print function, a video playback function, an audio playback function, and the like.
- the user terminal device also receives a broadcast message of each communication channel to search for surrounding service network information, device information not joined to the service network, and service capability information of the device.
- the searched information includes the service network that exists in the vicinity, the equipment that does not join the service network, and the service capability information of the device.
- the service network information includes: a central node identifier (ID) number of the service network, a service label provided, the service label is used to identify a service type provided by the network, and the device information includes a device identifier, a port number, and a storage capability.
- ID central node identifier
- Device information includes a device identifier, a port number, and a storage capability.
- Device information is used to identify whether the device supports the coordination of a specific service and whether it supports the central node.
- the service capability information of the device refers to the type of service provided or required by the device not joined to the service network. .
- the user terminal device and the peripheral device providing the service capability need to have at least one same short-distance communication interface, and the networking can be completed through the infrastructure network or the Adhoc mode.
- Adhoc mode is a peer-to-peer networking mode.
- Step 102 The user terminal device determines whether there is a service network having the service capability required for the user terminal device to complete the service in the area, and if yes, executing step 103; otherwise, executing step 105.
- step 103 If the user terminal device searches for a service network having the service capability required for the user terminal device to complete the service in the surrounding area, step 103 is performed; if the service network having the service capability required for the user terminal device to complete the service exists in the surrounding area, Go to step 105.
- Step 103 The user terminal device completes the IP address configuration and joins the service network.
- the user terminal device configures itself as a station (STA, Station) mode according to the searched service network information, sets a network ID, and sends a dynamic address acquisition to a central node of the service network (as an access node of the service network). Request, get the central node of the service network The IP address assigned to the user terminal device and complete the configuration.
- the central node needs to support the Dynamic Host Configuration Protocol (DHCP).
- DHCP Dynamic Host Configuration Protocol
- Step 104 The user terminal device interacts with nodes in the service network to jointly complete unified service provision.
- the user terminal device interacts with the central node to complete the unified service provision; if a service provision also needs the service capability of other nodes in the service network, The user terminal device also needs to interact with other nodes to complete unified service provision.
- Step 105 When it is determined that there is no service network having the service capability required for the user terminal device to complete the service, the user terminal device selects the central node from the device that has not joined the service network and has the service capability required for the user terminal device to complete the service.
- the user terminal device selects a device that has the service capability required for the user terminal device to complete the service from the searched device that is not in the service network, and participates in the central node election; the selection of the central node may be negotiated according to the device information. For example, the selection of the central node may adopt various methods such as random selection, competition selection based on game theory, and electoral election mode.
- the selection strategy of the central node is “the most powerful processing capability”. Based on the processing capability of the participating devices, the device with the strongest processing capability is selected as the central node based on the competitive selection method.
- Step 106 Generate a service network according to the selected central node configuration.
- the user terminal device configures the selected central node as an access point (AP) mode to form a service network, the central node starts a dynamic address allocation service, opens a dynamic address allocation port, and prepares for dynamic address allocation; user terminal device configuration For the STA mode, set the network ID, and send a dynamic address acquisition request to the selected central node, obtain the IP address assigned by the central node, and complete the configuration.
- the selected central node needs to support DHCP.
- Step 107 Broadcast the service network information, and invite other devices to join.
- This step is optional. After the central node is configured as the AP mode, modify or update the service label provided by the central node, and broadcast the service network information of the central node (including the central node ID number and the service label provided); You can search for this service network while searching around.
- the device that needs to cooperate may request to join after searching for the service network, or the service network actively invites devices that need to cooperate to enter.
- the service discovery and the network configuration can be completed autonomously, the device capability in a certain area is autonomously aggregated, and the unified service provision is completed through cooperation of multiple devices, thereby satisfying The best service experience for users.
- Another embodiment of the present invention further provides a device middleware for device and service discovery, corresponding to the method for discovering devices and services according to embodiments of the present invention.
- the device middleware 10 is located between the network layer and the media access control (MAC) layer; the embodiment of the present invention is based on the cross-layer idea, and the device middleware 10 passes through multiple modules and application layers.
- the network layer and the MAC layer exchange information to complete the device, service discovery, and network configuration process.
- the device middleware 10 includes: a service query and call module 11, an information broadcast and search module 12, and a network configuration module 13.
- the service query and call module 11 is configured to query the application layer for device information and service capability information of the user terminal device by interacting with the application layer; the service query and call module 11 provides an API interface (application program interface), and the application layer passes For the invocation of the API interface, the device information and service capability information of the user terminal device are input into the service query and call module 11 of the device middleware 10.
- the API interface needs to be invoked to input the latest device information and service capability information to the service query and call module 11 of the device middleware 10 in an event notification manner, to Used for equipment and services found.
- the information broadcast and search module 12 is configured to control the setting of the MAC layer broadcast user terminal device Prepare information and service capability information, and search for surrounding service network information, device information not added to the service network, and service capability information of the device.
- the network configuration module 13 is configured to complete the network configuration process by interacting with the network layer, including central node selection, network self-organization generation, node parameter automatic configuration (including network type, network ID, IP address), etc.;
- the network configuration module 13 adds the user terminal device configuration to the service network, and is associated with the service network.
- the central node performs interaction to complete the service; when the information broadcast and search module 12 searches for a service network that does not have the service capability required for the user terminal device to complete the service, the network configuration module 13 never joins the service network and has the required service to complete the service.
- the central node is selected from the service capability device, and the service network is generated according to the selected central node configuration, and the selected central node is used to complete the service.
- the network configuration module 13 is further configured to add the user terminal device configuration to the service network by:
- the network configuration module 13 is further configured to generate a service network according to the selected central node configuration by:
- the selected central node is configured into an AP mode, and the central node starts a dynamic address allocation service, and opens a dynamic address allocation port;
- the network configuration module 13 may adopt a random selection method and a game theory based competition selection. Various methods such as mode and rotation training method are used to select the central node.
- mode and rotation training method are used to select the central node.
- Step 301 The service query and call module of the device middleware sends a request message for querying the device and the service capability information to the application layer.
- Step 302 The application layer invokes the API interface of the device middleware to fill in the device information and service capability information of the requested user terminal device, and sends the device information to the device middleware.
- the application layer needs to invoke the API interface provided by the device middleware, and input the latest device information and service capability information into the device middleware by means of event notification for the device. And service discovery use.
- Step 303 The device middleware encapsulates the device information and the service capability information acquired, and sends a request message for the broadcast device information and the service capability information to the MAC layer through the information broadcast and search module.
- Step 304 The information broadcast and search module sends a request message to the MAC layer to search for the peripheral service network, the device that is not added to the service network, and the service capability information of the device.
- steps 303 and 304 are not strictly required and can be performed simultaneously.
- Step 305 the MAC layer completes the information broadcast and search, and returns the search result to the device middleware.
- the search results include: surrounding service network information, device information not included in the service network, and service capability information of the device.
- Step 306 The service query and calling module of the device middleware filters the search result and uploads it to the application layer.
- the screening is to filter results from the search results to meet business needs according to business needs.
- the network configuration module of the device middleware is based on the obtained information (ie, service query) And the search result uploaded by the calling module) completes the self-organizing networking, generates network parameters, and performs network configuration on the nodes in the network.
- Step 308 The application layer fills the Socket socket according to the application (that is, the service requirement) for use by the network layer connection.
- Step 309 The network layer sends a network connection request to the designated network center node through the MAC layer.
- Fig. 4 an exemplary embodiment of the service provision using the method of the embodiment of the present invention is shown.
- the user carries the mobile terminal into the office area, searches for the notebook, the projector, and the printer device in the area through the broadcast message, and automatically configures the office network for the user's business needs, and the file carried by the user can be on the notebook computer. Modifications can be made to enjoy the print service through the printer, or the projector can be used to display the file on the display.
- the service discovery and the network configuration are completed autonomously, the equipment capacity in a certain area is autonomously aggregated, and the unified service provision is completed through cooperation of multiple devices. Since device discovery and service discovery are performed simultaneously, transparent access to service capabilities is realized, eliminating the cumbersome process of user configuration and satisfying the user's optimal service experience.
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Abstract
Description
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2015523386A JP5849173B2 (ja) | 2012-07-27 | 2013-06-24 | 装置とサービスの発見方法及び装置ミドルウェア |
EP13822403.5A EP2871870B1 (en) | 2012-07-27 | 2013-06-24 | Device and service discovery method, and device middleware |
KR1020157002753A KR101709418B1 (ko) | 2012-07-27 | 2013-06-24 | 장치와 서비스의 발견 방법, 및 장치 미들웨어 |
US14/416,407 US9781583B2 (en) | 2012-07-27 | 2013-06-24 | Device and service discovery method, and device middleware |
Applications Claiming Priority (2)
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CN201210264081.7 | 2012-07-27 | ||
CN201210264081.7A CN103581239B (zh) | 2012-07-27 | 2012-07-27 | 一种设备和服务的发现方法、装置 |
Publications (1)
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WO2014015730A1 true WO2014015730A1 (zh) | 2014-01-30 |
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Family Applications (1)
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PCT/CN2013/077815 WO2014015730A1 (zh) | 2012-07-27 | 2013-06-24 | 一种设备和服务的发现方法、设备中间件 |
Country Status (6)
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US (1) | US9781583B2 (zh) |
EP (1) | EP2871870B1 (zh) |
JP (1) | JP5849173B2 (zh) |
KR (1) | KR101709418B1 (zh) |
CN (1) | CN103581239B (zh) |
WO (1) | WO2014015730A1 (zh) |
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JP2015220602A (ja) * | 2014-05-16 | 2015-12-07 | キヤノン株式会社 | 通信装置、通信装置の制御方法およびプログラム。 |
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CN114553952B (zh) * | 2022-02-22 | 2024-05-03 | Oppo广东移动通信有限公司 | 设备管理方法、装置、电子设备及存储介质 |
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- 2013-06-24 EP EP13822403.5A patent/EP2871870B1/en not_active Not-in-force
- 2013-06-24 KR KR1020157002753A patent/KR101709418B1/ko active IP Right Grant
- 2013-06-24 JP JP2015523386A patent/JP5849173B2/ja not_active Expired - Fee Related
- 2013-06-24 US US14/416,407 patent/US9781583B2/en not_active Expired - Fee Related
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10419907B2 (en) | 2012-02-22 | 2019-09-17 | Qualcomm Incorporated | Proximity application discovery and provisioning |
US10360593B2 (en) | 2012-04-24 | 2019-07-23 | Qualcomm Incorporated | Retail proximity marketing |
EP3091712A4 (en) * | 2014-02-12 | 2017-10-18 | Institute Of Acoustics, Chinese Academy Of Science | Smart device for realizing multiple-device collaboration and working method for multiple-device collaboration |
JP2015220602A (ja) * | 2014-05-16 | 2015-12-07 | キヤノン株式会社 | 通信装置、通信装置の制御方法およびプログラム。 |
EP3189643A1 (en) * | 2014-09-02 | 2017-07-12 | Qualcomm Incorporated | Proximity application discovery and provisioning |
Also Published As
Publication number | Publication date |
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CN103581239B (zh) | 2019-01-22 |
KR20150034751A (ko) | 2015-04-03 |
US9781583B2 (en) | 2017-10-03 |
EP2871870B1 (en) | 2018-09-19 |
JP5849173B2 (ja) | 2016-01-27 |
EP2871870A4 (en) | 2015-05-13 |
US20150172903A1 (en) | 2015-06-18 |
CN103581239A (zh) | 2014-02-12 |
KR101709418B1 (ko) | 2017-02-22 |
EP2871870A1 (en) | 2015-05-13 |
JP2015523035A (ja) | 2015-08-06 |
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