WO2021098434A1 - 无线摄像系统及网关设备 - Google Patents

无线摄像系统及网关设备 Download PDF

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Publication number
WO2021098434A1
WO2021098434A1 PCT/CN2020/122049 CN2020122049W WO2021098434A1 WO 2021098434 A1 WO2021098434 A1 WO 2021098434A1 CN 2020122049 W CN2020122049 W CN 2020122049W WO 2021098434 A1 WO2021098434 A1 WO 2021098434A1
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Prior art keywords
camera
gateway device
relay
wireless
default
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PCT/CN2020/122049
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English (en)
French (fr)
Inventor
陈少能
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广州市宏视电子技术有限公司
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Publication of WO2021098434A1 publication Critical patent/WO2021098434A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08—Access security
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • 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
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers

Definitions

  • the embodiments of the present application relate to the field of big data technology, for example, to a wireless camera system and a gateway device.
  • the wireless camera needs to be connected to the router to access the wireless network.
  • the user needs to configure the camera through special software, such as inputting the router account and connection password to the camera, in the case of network interruption, camera restart, configuration reset, etc. It often needs to be reconnected, and each connection needs to be manually configured by the user, which is relatively complicated to use and poor in convenience.
  • This application provides a wireless camera system and a gateway device to reduce the complexity of the wireless camera system connection and improve the convenience of use.
  • an embodiment of the present application provides a wireless camera system, including a router, a gateway device, and a camera associated with the gateway device, the gateway device is connected to the router through a standard Ethernet interface, and the camera Wirelessly connect with the gateway device;
  • the router provides a wireless communication link to the camera through the gateway device
  • the gateway device is associated with the camera based on default connection information, and the default connection information includes a first service set identifier (SSID) and a first connection password of the gateway device.
  • SSID first service set identifier
  • the gateway device is also used for:
  • the camera is also used for:
  • a request is made to the gateway device to establish a wireless connection with the gateway device through the access channel according to the default connection information.
  • the target camera and each relay camera are associated based on default relay information, and the default relay information includes the second service set identification SSID and the second connection password of each relay camera.
  • the target camera is also used for:
  • a request is made to the gateway device to establish a wireless connection with the relay camera according to the default relay information of the relay camera.
  • the gateway device is also used for:
  • an embodiment of the present application provides a gateway device, including:
  • Storage device for storing one or more programs
  • Standard Ethernet interface used to directly connect to the router network port
  • Wireless Internet access module for wireless communication with associated cameras
  • the storage device is also used to store default connection information, the default connection information including the first service set identifier SSID of the gateway device and the first connection password;
  • the controller When the one or more programs are executed by the controller, the controller provides a wireless communication link to the associated camera through the wireless internet module according to the default connection information.
  • the controller scans channels through the wireless Internet access module when it is powered on, and determines the access channel of the camera according to the channel quality.
  • any one camera is used as the target camera, and other cameras are used as relay cameras.
  • the controller receives the relay request of the target camera through the wireless Internet access module, and performs according to the The transfer request allows the target camera to establish a connection with the transfer camera.
  • the controller receives feedback information sent by an associated camera through the wireless Internet access module, where the feedback information includes the signal strength and data packet loss rate of the gateway device;
  • the embodiment of the present application provides a wireless camera system and a gateway device.
  • the system includes: a router, a gateway device, and a camera associated with the gateway device, the gateway device is connected to the router through a standard Ethernet interface, the camera is wirelessly connected to the gateway device; the router is connected to the gateway device through the The gateway device wirelessly provides a wireless communication link to the camera; the gateway device is associated with the camera based on default connection information, and the default connection information includes the first service set identifier SSID and the first connection password of the gateway device.
  • FIG. 1 is a schematic structural diagram of a wireless camera system provided in Embodiment 1 of this application;
  • FIG. 2 is a schematic structural diagram of a wireless camera system provided in Embodiment 2 of the application;
  • FIG. 3 is a schematic diagram of the implementation of a wireless camera system provided in the second embodiment of the application.
  • FIG. 4 is a schematic diagram of the hardware structure of a gateway device provided in Embodiment 3 of this application;
  • FIG. 5 is a schematic diagram of a gateway device component provided in Embodiment 3 of this application.
  • FIG. 6 is a schematic diagram of a gateway device provided in Embodiment 3 of this application from various perspectives.
  • FIG. 1 is a schematic structural diagram of a wireless camera system provided in the first embodiment of the application. This embodiment can be applied to a situation where a camera uses wireless Internet technology to perform remote camera shooting.
  • the system includes a router 10, a gateway device 20, and a camera 30 associated with the gateway device 20.
  • the gateway device 20 is directly connected to the router 10 through a standard Ethernet interface, and the camera 30 is wirelessly connected to the gateway device 20;
  • 10 Provide a wireless communication link to the camera 30 through the gateway device 20, and the camera 30 can be used for remote photography;
  • the gateway device 20 is associated with the camera 30 based on default connection information, which includes the first SSID and the first connection password of the gateway device 20.
  • the router 10 may be a universal wireless router 10, which can be connected to a wide area network and the Internet, and forward network data to other network nodes connected to it, so that other network nodes can use the network data to realize the function of wireless Internet access.
  • the router 10 forwards the network data to the gateway device 20, and the gateway device 20 then provides a wireless communication link for the camera 30.
  • the gateway device 20 is connected to the router 10 through a standard Ethernet interface, for example, directly connected to the local area network (LAN) port of the router 10 through a standard RJ45 interface; the gateway device 20 is a dedicated wireless fidelity ( Wireless Fidelity (WIFI) gateway.
  • the gateway device 20 is wirelessly connected to the camera 30 through a WIFI signal, so that the camera 30 is connected to the wide area network or the Internet, and the network data is used for remote camera shooting.
  • One gateway device 20 can be associated with one or more cameras 30 and establish a wireless connection to realize one-to-one or one-to-many remote camera control.
  • the gateway device 20 and the camera 30 are associated based on the default connection information.
  • the gateway device 20 can be understood as an upper computer, and the camera 30 is a corresponding lower computer.
  • the camera 30 stores default connection information, that is, the SSID and connection password of the corresponding gateway device 20. After the camera 30 is powered on, it can automatically pair and connect to the corresponding gateway device 20 according to the default connection information.
  • the gateway device 20 allows the camera 30 to establish a connection after confirming that the default connection information carried by the camera 30 matches its own information.
  • the default connection information is the default configuration in the camera 30, for example, the SSID and the connection password of the gateway device 20 corresponding to the camera 30 have been set at the factory.
  • the user When in use, the user only needs to connect the gateway device 20 to the router 10 through a standard Ethernet interface. Since the gateway device 20 and the camera 30 are already associated or bound by default, the user does not need to configure the camera 30 through special software, and does not need to connect to the camera 30. Enter the account password of the router 10 in the current environment, and even when the router 10 is changed, there is no need to change the configuration of the camera 30 to realize remote photography, and the operation is convenient.
  • the router there is usually more than one WIFI device connected to the router.
  • the camera may also be a speaker, mobile phone, etc.
  • the camera may be interfered by other WIFI devices, compete for communication channels and bandwidth, reduce the communication quality, and cause the monitoring screen to freeze. , Data packet loss, etc.
  • the gateway device 20 by associating the gateway device 20 with the camera 30, the interference between the camera 30 and other WIFI devices can be reduced, and the communication efficiency can be improved.
  • the gateway device 20 is further configured to scan channels when powered on, and determine the access channel of the camera 30 according to the channel quality.
  • the gateway device 20 After the gateway device 20 is connected to the router 10 and powered on, it starts to scan the WIFI channels supported by it. For example, there are 14 channels in total, then the 14 channels are scanned in turn to obtain the channel quality of each channel, and accordingly The access channel of the camera 30 is determined. For example, if there are currently three cameras 30 requesting to establish a connection with the gateway device 20 according to the default connection information, the three channels with the least interference are selected as the access channels for the three cameras 30, which can be used during the shooting process. The three access channels respectively communicate with the corresponding camera 30 wirelessly. By optimizing the channel between the gateway device 20 and the camera 30, interference can be avoided and the communication quality can be improved.
  • the camera 30 is further configured to: upon power-on, request the gateway device 20 to establish a wireless connection with the gateway device 20 through the access channel according to the default connection information.
  • the gateway device 20 after the camera 30 is powered on, it requests the gateway device 20 to establish a connection according to the default connection information carried by the camera 30, and performs wireless communication on the agreed access channel.
  • the gateway device 20 is also used to: receive feedback information sent by the camera 30, the feedback information includes the signal strength and data packet loss rate of the gateway device 20; adjust the communication protocol with the camera 30 and the camera 30 according to the feedback information. Encoding quality to adapt to the supported network bandwidth of the corresponding access channel.
  • the camera 30 regularly detects the WIFI signal strength and data packet loss rate of the gateway device 20, and feeds it back to the gateway device 20, and negotiates with the gateway device 20 accordingly.
  • the gateway device 20 decides how to adjust the communication protocol and adjust the encoding quality. .
  • the gateway device allows the camera 30 to adjust the image encoding code stream according to the detected signal strength, and adapt to the communication bandwidth.
  • the image encoding quality can be reduced accordingly to reduce bandwidth requirements; the gateway device 20 can also adjust the image encoding code stream according to the detected signal strength.
  • 802.11g 54M bps
  • 802.11b 11M bps
  • a wireless camera system provided in the first embodiment of the application uses associated cameras and gateway devices.
  • One end of the gateway device is wired (interface) to the router, and the other end is automatically connected to the lower-level camera.
  • the camera is not directly connected to the router. , The user does not need to configure the router's SSID and connection password, which greatly simplifies the operation process.
  • the gateway device can automatically select the channel with the least interference and the best communication performance to communicate with the camera, which improves the communication quality.
  • FIG. 2 is a schematic structural diagram of a wireless camera system provided in the second embodiment of the application. This embodiment is optimized on the basis of the above-mentioned embodiment, and specifically describes the realization of the automatic networking of the gateway device 20 and the camera 30. For technical details that are not described in detail in this embodiment, reference may be made to any of the foregoing embodiments.
  • any camera 30 is used as the target camera 31, and the other cameras are used as the relay camera 32.
  • the target camera 31 and each relay camera 32 are associated based on the default relay information.
  • the default relay information includes each relay
  • the second service set of the camera 32 identifies the SSID and the second connection password.
  • each camera 30 is also associated with each other, and each camera stores the second service set identification SSID and the second connection password of each other camera, so that when the signal strength of the gateway device 20 is weak, it can be automatically leveled. Connect to other cameras with higher signal strength to obtain higher image quality.
  • the gateway device 20 has a built-in dedicated WIFI module, and realizes an automatic networking connection with the dedicated WIFI module in the camera 30 through a self-defined WIFI self-organizing network algorithm and settings.
  • the above connection methods are all automatically completed through the main control program in the camera 30 and the gateway device 20, and through preset algorithms and mechanisms.
  • FIG. 3 is a schematic diagram of the implementation of a wireless camera system provided in the second embodiment of the application.
  • cameras A, B, and D use the first connection method to directly connect to the gateway device 20;
  • camera E adopts the second connection method, which is cascaded to the gateway device 20 through camera A, and camera A acts as a relay Camera.
  • the target camera 31 is also used to: detect the signal strength of the gateway device 20 and the signal strength of each relay camera 32; if it is detected that the signal strength of the relay camera 32 is greater than the signal strength of the gateway device 20, then according to the relay camera 32
  • the default relay information of requests the gateway device 20 to establish a wireless connection with the relay camera 32.
  • the target camera 31 regularly detects the signal strength of the gateway device 20 and the surrounding cameras with relay function. If it detects that there is a matching relay camera 32 in a certain range around, the signal strength of the relay camera 32 is higher than that of the gateway device. 20, the gateway device 20 can be requested to use the relay camera 32 as a relay device, and the relay camera 32 can be cascaded to the gateway device 20 through the relay camera 32.
  • the wireless camera system provided in the second embodiment of the present application is optimized on the basis of the above-mentioned embodiments, and the effective communication distance or communication range is expanded through the ad hoc network cascade connection between the cameras and the gateway device associated with each other.
  • FIG. 4 is a schematic diagram of the hardware structure of a gateway device provided in Embodiment 3 of this application.
  • the gateway device provided in this embodiment includes: a controller 41; a storage device 42 for storing one or more programs; a standard Ethernet interface 43 for connecting to a router network port; a wireless Internet access module (WIFI module) 44, Used for wireless communication with associated cameras; the storage device is also used to store default connection information, which includes the first service set identification SSID of the gateway device and the first connection password; when one or more programs are executed by the controller, According to the default connection information, the controller provides a wireless communication link to the associated camera through the wireless Internet access module.
  • WIFI module wireless Internet access module
  • the gateway device is connected to the router through a standard Ethernet interface 43, for example, is directly connected to the LAN port of the router through a standard RJ45 interface.
  • the wireless Internet access module 44 is used for wireless communication with the associated cameras, and the controller provides a wireless communication link to the associated cameras through the wireless Internet access module 44 according to the default connection information.
  • the controller 41 and the storage device 42 may be connected by a bus or other methods. In FIG. 4, the connection by a bus is taken as an example.
  • the storage device 42 can be used to store one or more programs.
  • the programs can be software programs, computer-executable programs, and modules, such as the master control program instructions corresponding to the gateway device in the embodiment of the present application. /Modules (for example, main control program instructions/modules used to scan channels, receive feedback information, etc.).
  • the controller executes various functional applications and data processing of the gateway device by running software programs, instructions, and modules stored in the storage device.
  • the storage device 42 mainly includes a storage program area and a storage data area.
  • the storage program area can store an operating system and an application program required by at least one function; the storage data area can store data created according to the use of the gateway device, etc. (as described above) Default connection information, channel quality, etc. in the embodiment).
  • the storage device may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other non-volatile solid-state storage devices.
  • the storage device may include a memory remotely provided with respect to the controller, and these remote memories may be connected to the gateway device through a network. Examples of the aforementioned networks include, but are not limited to, the Internet, corporate intranets, local area networks, mobile communication networks, and combinations thereof.
  • the gateway device and the lower-level cameras can be automatically networked, and their default connection information has been set before leaving the factory.
  • the user does not need to know the SSID and password of the router, and the gateway device is directly connected to the router.
  • the controller 41 scans the channel through the wireless Internet access module 44 when it is powered on, and determines the access channel of the camera according to the channel quality.
  • the gateway device can automatically select the channel with the least interference as the access channel of the lower-level camera by scanning the channel, thereby improving the communication quality and increasing the communication distance.
  • any one of the cameras is used as the target camera, and the other cameras are used as relay cameras.
  • the controller 41 receives the transfer request of the target camera through the wireless Internet access module 44, and allows the target according to the transfer request.
  • the camera establishes a connection with the relay camera.
  • the gateway device allows the camera to automatically detect whether there is a relay camera nearby that can be networked by detecting the signal strength. If there is, it can be cascaded with the gateway device by relay, which increases the effective communication distance and the coverage of the WIFI signal .
  • the controller 41 receives feedback information sent by the associated camera through the wireless Internet access module 44, the feedback information includes the signal strength of the gateway device and the data packet loss rate; adjusts the communication with the associated camera according to the feedback information
  • the protocol and the encoding quality of the camera are adapted to the network bandwidth supported by the corresponding access channel.
  • FIG. 5 is a schematic diagram of a gateway device component provided in Embodiment 3 of this application.
  • Component 1 is a standard RJ45 Ethernet interface male connector, which can be directly inserted into the LAN port of the router and fixed;
  • Component 2 is a circuit board of a dedicated gateway, including a central processing unit (CPU), WIFI Module, Ethernet interface, status indicator, reset button and one-key code matching button;
  • Component 3 is a dedicated WIFI module on the main board, standard 802.11, controlled by the main control CPU;
  • FIG. 6 is a schematic diagram of a gateway device provided in Embodiment 3 of this application from various perspectives.
  • the gateway device is set in a small integrated structure, with its own antenna and RJ45 male connector, directly inserted into the LAN port of the general router and directly connected to the outside network through the router, and its own WIFI antenna communicates with the camera of the lower computer through the WIFI signal.
  • the camera is not directly connected to the router network port, but to the gateway device that has been configured with the default SSID and password at the factory.
  • the gateway device is directly connected to the router LAN port through the RJ45 port, so the user does not need to configure the router's SSID and router to achieve zero Configuration and use greatly facilitate users.
  • the gateway device proposed in this embodiment and the wireless camera system proposed in the foregoing embodiment belong to the same application concept.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

一种无线摄像系统及网关设备。该系统包括：路由器、网关设备以及与所述网关设备关联的摄像机，所述网关设备通过标准以太网接口与所述路由器连接，所述摄像机与所述网关设备无线连接；所述路由器通过所述网关设备向所述摄像机提供无线通信链路；所述网关设备与所述摄像机基于默认连接信息关联，所述默认连接信息包括所述网关设备的第一服务集标识SSID和第一连接密码。通过上述技术方案，实现了网关设备与摄像机的自动连接，降低了无线摄像系统连接的复杂度，提高使用的便捷性。

Description

无线摄像系统及网关设备
本申请要求申请日为2019年11月20日、申请号为201911140028.4的中国专利申请的优先权，该申请的全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及大数据技术领域，例如涉及一种无线摄像系统及网关设备。
背景技术
随着芯片和网络技术的发展，视频监控在各领域得到广泛的应用，比如无线摄像机，可以实现远程视频监控，为生产和生活提供了极大的方便。
无线摄像机需要与路由器连接从而接入无线网络，在连接过程中，需要用户通过专用软件对摄像机进行配置，例如向摄像机输入路由器的账号和连接密码等，在网络中断、摄像机重启、配置复位等情况下，经常需要重新连接，而每次连接都需要用户手动配置，使用复杂度较高，便捷性差。
发明内容
本申请提供了一种无线摄像系统及网关设备，以降低无线摄像系统连接的复杂度，提高使用的便捷性。
第一方面，本申请实施例提供了一种无线摄像系统，包括：路由器、网关设备以及与所述网关设备关联的摄像机，所述网关设备通过标准以太网接口与所述路由器连接，所述摄像机与所述网关设备无线连接；
所述路由器通过所述网关设备向所述摄像机提供无线通信链路；
所述网关设备与所述摄像机基于默认连接信息关联，所述默认连接信息包括所述网关设备的第一服务集标识(Service Set Identifier，SSID)和第一连接密码。
可选的，所述网关设备还用于：
在上电的情况下扫描信道，并根据信道质量确定所述摄像机的接入信道。
可选的，所述摄像机还用于：
在上电的情况下，根据所述默认连接信息向所述网关设备请求通过所述接 入信道与所述网关设备建立无线连接。
可选的，所述摄像机至少为两个；
以任意一个摄像机作为目标摄像机，其他摄像机作为中转摄像机，所述目标摄像机和各个中转摄像机基于默认中转信息关联，所述默认中转信息包括各个中转摄像机的第二服务集标识SSID和第二连接密码。
可选的，所述目标摄像机还用于：
检测所述网关设备的信号强度以及各个中转摄像机的信号强度；
若检测到中转摄像机的信号强度大于所述网关设备的信号强度，则根据该中转摄像机的默认中转信息向所述网关设备请求与该中转摄像机建立无线连接。
可选的，所述网关设备还用于：
接收所述摄像机发送的反馈信息，所述反馈信息包括所述网关设备的信号强度及数据丢包率；
根据所述反馈信息调整与所述摄像机的通讯协议以及所述摄像机的编码质量，以适应对应的接入信道所支持的网络带宽。
第二方面，本申请实施例提供了一种网关设备，包括：
控制器；
存储装置，用于存储一个或多个程序；
标准以太网接口，用于直接连接路由器网口；
无线上网模组，用于与关联的摄像机无线通信；
所述存储装置还用于存储默认连接信息，所述默认连接信息包括网关设备的第一服务集标识SSID和第一连接密码；
当所述一个或多个程序被所述控制器执行，使得所述控制器根据所述默认连接信息，通过所述无线上网模组向关联的摄像机提供无线通信链路。
可选的，所述控制器通过所述无线上网模组在上电的情况下扫描信道，并根据信道质量确定摄像机的接入信道。
可选的，关联的摄像机至少为两个，以任意一个摄像机作为目标摄像机，其他摄像机作为中转摄像机，所述控制器通过所述无线上网模组接收所述目标摄像机的中转请求，并根据所述中转请求允许所述目标摄像机与中转摄像机建立连接。
可选的，所述控制器通过所述无线上网模组接收关联的摄像机发送的反馈信息，所述反馈信息包括网关设备的信号强度及数据丢包率；
根据所述反馈信息调整与关联的摄像机的通讯协议以及所述摄像机的编码质量，以适应对应的接入信道所支持的网络带宽。
本申请实施例提供了一种无线摄像系统及网关设备。该系统包括：路由器、网关设备以及与所述网关设备关联的摄像机，所述网关设备通过标准以太网接口与所述路由器连接，所述摄像机与所述网关设备无线连接；所述路由器通过所述网关设备向所述摄像机无线提供无线通信链路；所述网关设备与所述摄像机基于默认连接信息关联，所述默认连接信息包括所述网关设备的第一服务集标识SSID和第一连接密码。通过上述技术方案，实现了网关设备与摄像机的自动连接，降低了无线摄像系统连接的复杂度，提高使用的便捷性。
附图说明
图1为本申请实施例一提供的一种无线摄像系统的结构示意图；
图2为本申请实施例二提供的一种无线摄像系统的结构示意图；
图3为本申请实施例二提供的一种无线摄像系统的实现示意图；
图4为本申请实施例三提供的一种网关设备的硬件结构示意图；
图5为本申请实施例三提供的一种网关设备组件的示意图；
图6为本申请实施例三提供的一种网关设备在各个视角下的示意图。
具体实施方式
实施例一
图1为本申请实施例一提供的一种无线摄像系统的结构示意图，本实施例可适用于通过摄像机使用无线上网技术进行远程摄像的情况。如图1所示，该系统包括：路由器10、网关设备20以及与网关设备20关联的摄像机30，网关设备20通过标准以太网接口与路由器10直接连接，摄像机30与网关设备20无线连接；路由器10通过网关设备20向摄像机30提供无线通信链路，摄像机30可用于远程摄像；网关设备20与摄像机30基于默认连接信息关联，默认连接信息包括网关设备20的第一SSID和第一连接密码。
示例性的，路由器10可以为通用的无线路由器10，可连接至广域网及互联网，并将网络数据转发给与其相连的其他网络节点，供其他网络节点使用网络数据实现无线上网的功能。在本实施例中，路由器10将网络数据转发至网关设备20，网关设备20再为摄像机30提供无线通信链路。
网关设备20通过标准以太网接口与路由器10连接，例如通过标准RJ45接口直接接入路由器10的局域网(Local Area Network，LAN)端口；网关设备20是一种与摄像机30关联的专用无线保真(Wireless Fidelity，WIFI)网关，网关设备20通过WIFI信号与摄像机30无线连接，从而将摄像机30接入广域网或互联网，利用网络数据进行远程摄像。一个网关设备20可以与一个或多个摄像机30关联并建立无线连接，实现一对一或一对多的远程摄像控制。
网关设备20与摄像机30基于默认连接信息关联。网关设备20可以理解为上位机，摄像机30为对应的下位机，摄像机30中存储有默认连接信息，即对应的网关设备20的SSID和连接密码。摄像机30上电启动后可以根据默认连接信息自动配对并连接至对应的网关设备20，网关设备20在确认摄像机30携带的默认连接信息与自身信息匹配后允许摄像机30建立连接。本实施例中，默认连接信息是摄像机30中的默认配置，例如在出厂时已经设置好摄像机30对应的网关设备20的SSID和连接密码。在使用时，用户只需要将网关设备20通过标准以太网接口连接至路由器10，由于网关设备20和摄像机30已默认关联或绑定，用户无需通过专用软件对摄像机30进行配置、无需向摄像机30输入当前所在环境下的路由器10的账号密码，甚至在更换路由器10的情况下也无需更改摄像机30的配置，即可实现远程摄像，操作便捷。
可选地，通常与路由器连接的WIFI设备不只一个，例如除了摄像机，还可能由音箱、手机等，摄像机可能受到其他WIFI设备的干扰、竞争通信信道与带宽，降低通信质量，导致监控画面卡顿、数据丢包等。本实施例通过将网关设备20与摄像机30关联，可以减少摄像机30与其他WIFI设备之间的干扰，提高通信效率。
可选的，网关设备20还用于：在上电的情况下扫描信道，并根据信道质量确定摄像机30的接入信道。
示例性的，在网关设备20连接至路由器10并上电后，启动扫描其所支持的WIFI信道，例如共有14个信道，则依次扫描这14个信道，获取各个信道的信道质量，并据此确定摄像机30的接入信道。例如，当前有3个摄像机30根据默认连接信息请求与网关设备20建立连接，则在14路信道中选择干扰最少的3个分别作为3个摄像机30的接入信道，在摄像过程中可通过这3个接入信道分别与对应的摄像机30进行无线通信。网关设备20通过优化与摄像机30之间的信道，可以避免干扰，提高通信质量。
示例性的，摄像机30还用于：在上电的情况下，根据所述默认连接信息向网关设备20请求通过所述接入信道与所述网关设备20建立无线连接。
示例性的，摄像机30在上电启动后，根据自身携带的默认连接信息向网关设备20请求建立连接，并在约定的接入信道上进行无线通信。
示例性的，网关设备20还用于：接收摄像机30发送的反馈信息，反馈信息包括网关设备20的信号强度及数据丢包率；根据反馈信息调整与摄像机30的通讯协议以及所述摄像机30的编码质量，以适应对应的接入信道的所支持的网络带宽。
可选的，摄像机30定时检测网关设备20的WIFI信号强度以及数据丢包率，并反馈给网关设备20，据此与网关设备20协商，由网关设备20决策如何调整通信协议，以及调整编码质量。例如，网关设备允许摄像机30根据检测到的信号强度调整图像编码的码流，自适应通信带宽，在信号强度较弱的情况下可以相应降低图像编码质量以降低带宽要求；网关设备20也可以根据设定规则调整通信协议，例如在信号强度高于一定阈值的情况下，与摄像头采用802.11g(54M bps)通信，以提高图像传输质量；在信号强度低于一定阈值的情况下则采用802.11b(11M bps)，以保证视频数据传输的有效性。
本申请实施例一提供的一种无线摄像系统，采用关联的摄像机和网关设备，网关设备的一端与路由器有线(接口)连接，另一端与下位的摄像机自动组网连接，摄像机不直接与路由器连接，用户无需配置路由器的SSID及连接密码，从而极大简化了操作过程。此外，网关设备可以自动选择干扰最少、通信性能最佳的信道与摄像机通信，提高了通信质量。
实施例二
图2为本申请实施例二提供的一种无线摄像系统的结构示意图，本实施例是在上述实施例的基础上进行优化，对网关设备20与摄像机30自动组网的实现进行具体描述。未在本实施例中详尽描述的技术细节可参见上述任意实施例。
如图2所示，摄像机30至少为两个；以任意一个摄像机30作为目标摄像机31，其他摄像机作为中转摄像机32，目标摄像机31和各个中转摄像机32基于默认中转信息关联，默认中转信息包括各个中转摄像机32的第二服务集标识SSID和第二连接密码。
示例性的，各个摄像机30之间也相互关联，每个摄像机中都存储有其他各 个摄像机的第二服务集标识SSID和第二连接密码，从而在网关设备20信号强度较弱时，可以自动级联至其他信号强度较高的摄像机，获得更高的摄像质量。
网关设备20作为上位机，内置有专用的WIFI模组，与摄像机30内的专用WIFI模组通过自定义的WIFI自组网算法及设置实现自动组网连接。网关设备20与各摄像机之间有两种连接方式：1)下位机的摄像机直接连接网关设备20；2)下位机的摄像机通过另一台(例如距离最近的或信号强度最高的)摄像机级联到网关设备20。以上的连接方式均通过摄像机30及网关设备20内的主控程序，通过预设算法和机制自动完成。
图3为本申请实施例二提供的一种无线摄像系统的实现示意图。如图3所示，摄像机A、B、D均采用第一种连接方式，直接连接网关设备20；摄像机E采用第二种连接方式，通过摄像机A级联到网关设备20，摄像机A作为中继摄像机。
示例性的，目标摄像机31还用于：检测网关设备20的信号强度以及各个中转摄像机32的信号强度；若检测到中转摄像机32的信号强度大于网关设备20的信号强度，则根据该中转摄像机32的默认中转信息向网关设备20请求与该中转摄像机32建立无线连接。
示例性的，目标摄像机31定时检测网关设备20和周围的带有中转功能的摄像机的信号强度，如果检测到周围一定范围有存在匹配的中转摄像机32，该中转摄像机32的信号强度高于网关设备20的信号，则可向网关设备20请求将该中转摄像机32作为中继设备，通过该中转摄像机32级联到网关设备20。
本申请实施例二提供的一种无线摄像系统，在上述实施例的基础上进行优化，通过相互关联的摄像机与网关设备之间的自组网级联，扩大了有效通信距离或通信范围。
实施例三
图4为本申请实施例三提供的一种网关设备的硬件结构示意图。本实施例提供的网关设备包括：控制器41；存储装置42，用于存储一个或多个程序；标准以太网接口43，用于连接路由器网口；无线上网模组(WIFI模组)44，用于与关联的摄像机无线通信；存储装置还用于存储默认连接信息，默认连接信息包括网关设备的第一服务集标识SSID和第一连接密码；当一个或多个程序被控 制器执行，使得控制器根据默认连接信息，通过无线上网模组向关联的摄像机提供无线通信链路。
示例性的，网关设备通过标准以太网接口43与路由器连接，例如通过标准RJ45接口直接接入路由器的局域网端口。无线上网模组44用于与关联的摄像机无线通信，控制器根据默认连接信息，通过无线上网模组44向关联的摄像机提供无线通信链路。控制器41和存储装置42可以通过总线或其他方式连接，图4中以通过总线连接为例。
存储装置42作为一种计算机可读存储介质，可用于存储一个或多个程序，所述程序可以是软件程序、计算机可执行程序以及模块，例如本申请实施例中网关设备对应的主控程序指令/模块(例如用于扫描信道、接收反馈信息等的主控程序指令/模块)。控制器通过运行存储在存储装置中的软件程序、指令以及模块，从而执行网关设备的各种功能应用以及数据处理。
存储装置42主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序；存储数据区可存储根据网关设备的使用所创建的数据等(如上述实施例中的默认连接信息、信道质量等)。此外，存储装置可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。在一些实例中，存储装置可包括相对于控制器远程设置的存储器，这些远程存储器可以通过网络连接至网关设备。上述网络的实例包括但不限于互联网、企业内部网、局域网、移动通信网及其组合。
本实施例中，网关设备与下位的各摄像机可自动组网，在出厂前均已经设置了彼此的默认连接信息，用户无需知道路由器的SSID及密码，网关设备直接连接至路由器。
示例性的，控制器41通过无线上网模组44在上电的情况下扫描信道，并根据信道质量确定摄像机的接入信道。
示例性的，网关设备通过扫描信道，可以自动选择干扰最少的信道作为下位的摄像机的接入信道，从而提高通信质量，增加通信的距离。
示例性的，关联的摄像机至少为两个，以任意一个摄像机作为目标摄像机，其他摄像机作为中转摄像机，控制器41通过无线上网模组44接收目标摄像机的中转请求，并根据所述中转请求允许目标摄像机与中转摄像机建立连接。
示例性的，网关设备允许摄像机通过检测信号强度自动发现附近是否有可 组网的中转摄像机，如果有则可以通过中转的方式与网关设备级联，增加了有效通信距离，及WIFI信号的覆盖范围。
示例性的，控制器41通过无线上网模组44接收关联的摄像机发送的反馈信息，所述反馈信息包括网关设备的信号强度及数据丢包率；根据所述反馈信息调整与关联的摄像机的通讯协议以及所述摄像机的编码质量，以适应对应的接入信道所支持的网络带宽。
图5为本申请实施例三提供的一种网关设备组件的示意图。如图5所示，部件1为标准RJ45以太网接口公头，可以直接插入路由器的LAN口上固定；部件2为专用网关的电路板，包含主控中央处理器(central processing unit，CPU)、WIFI模组、以太网接口、状态指示灯、复位按键以及一键对码按键；部件3为主板上的专用WIFI模组，标准802.11，受主控CPU的控制；部件4为2.4G WIFI天线；部件5为外壳主体；部件6为设备状态指示灯；部件7为壳体侧盖；部件8为设备设置按钮；部件9为设备复位按钮；部件10为喇叭。
图6为本申请实施例三提供的一种网关设备在各个视角下的示意图。网关设备设置成小型一体化结构，自带天线和RJ45公头，直接插入通用路由器的LAN口中直接通过该路由器连接网外，自身的WIFI天线则通过WIFI信号与下位机的摄像机通讯。摄像机不是直接连接路由器网口，而是连接出厂时已经配置好默认SSID及密码的网关设备，网关设备是通过RJ45口直接接入路由器LAN口的，因此用户无需配置路由器的SSID和路由器，实现零配置使用，极大地方便了用户。
本实施例提出的网关设备与上述实施例提出的无线摄像系统属于同一申请构思，未在本实施例中详尽描述的技术细节可参见上述任意实施例，并且具备相同的有益效果。

Claims (10)

  1. 一种无线摄像系统，包括：路由器、网关设备以及与所述网关设备关联的摄像机，所述网关设备通过标准以太网接口与所述路由器连接，所述摄像机与所述网关设备无线连接；
    所述路由器通过所述网关设备向所述摄像机提供无线通信链路；
    所述网关设备与所述摄像机基于默认连接信息关联，所述默认连接信息包括所述网关设备的第一服务集标识SSID和第一连接密码。
  2. 根据权利要求1所述的系统，其中，所述网关设备还用于：
    在上电的情况下扫描信道，并根据信道质量确定所述摄像机的接入信道。
  3. 根据权利要求2所述的系统，其中，所述摄像机还用于：
    在上电的情况下，根据所述默认连接信息向所述网关设备请求通过所述接入信道与所述网关设备建立无线连接。
  4. 根据权利要求1所述的系统，其中，所述摄像机至少为两个；
    以任意一个摄像机作为目标摄像机，其他摄像机作为中转摄像机，所述目标摄像机和各个中转摄像机基于默认中转信息关联，所述默认中转信息包括各个中转摄像机的第二服务集标识SSID和第二连接密码。
  5. 根据权利要求4所述的系统，其中，所述目标摄像机还用于：
    检测所述网关设备的信号强度以及各个中转摄像机的信号强度；
    若检测到中转摄像机的信号强度大于所述网关设备的信号强度，则根据该中转摄像机的默认中转信息向所述网关设备请求与该中转摄像机建立无线连接。
  6. 根据权利要求1-5任一项所述的系统，其中，所述网关设备还用于：
    接收所述摄像机发送的反馈信息，所述反馈信息包括所述网关设备的信号强度及数据丢包率；
    根据所述反馈信息调整与所述摄像机的通讯协议以及所述摄像机的编码质量，以适应对应的接入信道所支持的网络带宽。
  7. 一种网关设备，包括：
    控制器；
    存储装置，用于存储一个或多个程序；
    标准以太网接口，用于连接路由器网口；
    无线上网模组，用于与关联的摄像机无线通信；
    所述存储装置还用于存储默认连接信息，所述默认连接信息包括网关设备的第一服务集标识SSID和第一连接密码；
    当所述一个或多个程序被所述控制器执行，使得所述控制器根据所述默认连接信息，通过所述无线上网模组向关联的摄像机提供无线通信链路。
  8. 根据权利要求7所述的网关设备，其中，所述控制器通过所述无线上网模组在上电的情况下扫描信道，并根据信道质量确定摄像机的接入信道。
  9. 根据权利要求7所述的网关设备，其中，关联的摄像机至少为两个，以任意一个摄像机作为目标摄像机，其他摄像机作为中转摄像机，所述控制器通过所述无线上网模组接收所述目标摄像机的中转请求，并根据所述中转请求允许所述目标摄像机与中转摄像机建立连接。
  10. 根据权利要求7-9任一项所述的网关设备，其中，所述控制器通过所述无线上网模组接收关联的摄像机发送的反馈信息，所述反馈信息包括网关设备的信号强度及数据丢包率；
    根据所述反馈信息调整与关联的摄像机的通讯协议以及所述摄像机的编码质量，以适应对应的接入信道所支持的网络带宽。
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