CN100479443C - Blue Tooth ZigBee gateway - Google Patents

Blue Tooth ZigBee gateway Download PDF

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CN100479443C
CN100479443C CN 200610095148 CN200610095148A CN100479443C CN 100479443 C CN100479443 C CN 100479443C CN 200610095148 CN200610095148 CN 200610095148 CN 200610095148 A CN200610095148 A CN 200610095148A CN 100479443 C CN100479443 C CN 100479443C
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zigbee
bluetooth
node
gateway
packet header
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CN1925469A (en
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纯 金
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纯 金
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Abstract

本发明公开一种使蓝牙和ZigBee两种设备之间能够顺利流畅实现通信的蓝牙ZigBee网关。 Disclosed is a Bluetooth and ZigBee, so that between the two devices can be smoothly implemented smoothly Bluetooth ZigBee communication gateway. 其蓝牙模块与ZigBee模块之间通过串口相连,将蓝牙模块的数据传给ZigBee模块或把ZigBee模块的数据传给蓝牙模块;蓝牙模块内芯片中的蓝牙收发器与蓝牙子节点进行通讯;模块中的ZigBee收发器,用于和ZigBee子节点通过无线方式通信。 Between Bluetooth module is connected to the ZigBee module through the serial port, the data is transmitted to the Bluetooth module or a ZigBee module ZigBee module data passed to Bluetooth module; Bluetooth transceiver with a Bluetooth chip child nodes Bluetooth communication module; module the ZigBee transceiver for communication and ZigBee child nodes wirelessly. 蓝牙ZigBee网关协议模型分为以下几层:最上层是网关的管理层,下层分别是与蓝牙设备的协议对应的蓝牙射频、基带、LMP和L2CAP、RFCOMM和SDP,和与ZigBee设备的协议相对应的ZigBee物理层、ZigBee MAC层和ZigBee网络层;蓝牙ZigBee网关的管理层是蓝牙及ZigBee初始化、配置和连接管理期间使用执行过程以及蓝牙与ZigBee共存管理的管理实体,它负责管理报文的封装和拆除。 Bluetooth ZigBee gateway protocol model is divided into the following layers: the top is the management of the gateway, and the lower layer protocols are Bluetooth device corresponding to the Bluetooth radio protocol Baseband, LMP and L2CAP, RFCOMM and the SDP, and a ZigBee device corresponding ZigBee the physical layer, the MAC layer and ZigBee ZigBee network layer; management Bluetooth ZigBee and Bluetooth ZigBee gateway is initialized, and the procedure is performed using the configuration and management entity Bluetooth and ZigBee coexistence management during the connection management is responsible for managing the packet encapsulation and removal.

Description

蓝牙ZigBee网关 Bluetooth ZigBee Gateway

技术领域 FIELD

本发明涉及无线通信领域中的网关技术,具体涉及蓝牙和ZigBee的通信转换系统。 The present invention relates to the field of wireless communications gateway technology, and particularly relates to as Bluetooth and ZigBee communication switching system. 背景技术 Background technique

网关是一种充当转换重任的计算机系统或设备,是连接不同网络的软件和硬件的结合产品。 Gateway is a computer system or an apparatus for the important task of acting as the conversion is to connect different network software and hardware combination products. 在使用不同的通信协议、数据格式或语言甚至体系完全不同的两种系统之间,网关 Between the use of different communication protocols, data format or language system even two completely different systems, gateway

是一个翻译器;通过重新封闭信息以使它们能被另一个系统读取,以适应目的系统的需求。 It is a translator; reclosed by information so that they can be read another system, to meet the needs of the destination system.

蓝牙(Bluetooth)是一种短距离无线通信技术,其协议遵循开放系统互连参考模型(OSI/RM)。 Bluetooth (Bluetooth) is a short-range wireless communications technology, which protocol follows the Open Systems Interconnection Reference Model (OSI / RM). 它包含以下几种协议:基带协议、链路管理协议、逻辑链路控制与适配协议、 服务发现协议;电缆替代协议(RFCOMM);电话传送控制协议以及一些可选协议等。 It contains the following protocol: baseband protocol, link management protocol, a logical link control and adaptation protocol, a service discovery protocol; Protocol cable replacement (the RFCOMM); telephone transmission control protocol, and some of the optional protocol. 除了上述协议以外,蓝牙规范还定义了主机控制接口(HCI)。 In addition to the above-described protocol, the Bluetooth specification also defines a Host Control Interface (HCI). 它是蓝牙模块和主机间的软件接口,它提供了控制基带、链路管理器、状态寄存器等硬件功能的指令分组格式。 It is a software interface between the module and the bluetooth host, which provides instructions to control the baseband, link manager, status registers and other hardware features packet format. 利用蓝牙技术,可以低成本地将各种设备连接起来。 Bluetooth technology can be inexpensively connect a variety of devices.

ZigBee是一种近距离、低复杂度、低功耗、低数据速率、低成本的双向无线通信技术, 主要适合于自动控制、传感、监控和远程控制等领域,可以嵌入各种设备中,同时支持地理定位功能。 ZigBee is a short-range, low complexity, low power, low data rate, low-cost two-way wireless communication technology, mainly suitable for automatic control, sensing, monitoring and remote control, etc., can be embedded in a variety of devices, At the same time support the geo-targeting capabilities. ZigBee联盟在制定ZigBee标准时,采用了IEEE802.15.4作为其物理层和媒体接入层规范。 In developing ZigBee Alliance ZigBee standard, using the IEEE802.15.4 as the physical layer and a medium access layer specifications. 在其基础之上,ZigBee联盟制定了数据链路层(DLL)、网络层(NWK) 和应用编程接口(API)规范。 At its foundation, ZigBee Alliance developed a data link layer (DLL), the network layer (NWK) and application programming interface (API) specification.

由于蓝牙和ZigBee是两种不同的协议标准,蓝牙设备不可能与ZigBee设备直接通信。 Since Bluetooth and ZigBee protocols are two different standards, the Bluetooth device can not communicate directly with the ZigBee devices. 当这两种设备希望建立通信时,基于这两种技术的设备就需要协议转换。 When two devices want to establish communication device based on these two technologies will require protocol conversion. 而在现有的无线通信协议转换设备中还不存在蓝牙ZigBee网关,使得目前这两种设备之间还无法直接通信。 Bluetooth and ZigBee gateway does not exist in the existing wireless communication protocol conversion apparatus, so that there can not be direct communication between the two devices.

发明内容 SUMMARY

针对现有技术存在的上述不足,本发明的目的在于提供一种蓝牙ZigBee网关技术,使蓝牙和ZigBee两种设备之间能顺利流畅地实现通信的蓝牙ZigBee网关。 For the above-described disadvantages of the prior art, an object of the present invention is to provide a gateway Bluetooth ZigBee technology, ZigBee enabled Bluetooth-enabled gateway for communication between smooth smooth two devices as Bluetooth and ZigBee.

本发明的目的是这样实现的:蓝牙ZigBee网关,其特征在于硬件包括蓝牙模块和ZigBee模块。 Object of the present invention is implemented: Bluetooth ZigBee gateway, wherein the hardware comprises a Bluetooth module and a ZigBee module. 蓝牙模块与ZigBee模块之间通过串口相连,用于将蓝牙模块的数据传给ZigBee模块或把ZigBee模块的数据传给蓝牙模块。 Through the serial port between the Bluetooth module and ZigBee module, a Bluetooth module for data pass ZigBee module or a ZigBee module data passed to the Bluetooth module. 该蓝牙模块内芯片中的蓝牙收发器与蓝牙子节点通过无线方式通讯;ZigBee收发器与Zigbee节点通过无线方式通信; The Bluetooth chip module Bluetooth transceiver with a Bluetooth wireless communication sub-node; Zigbee node and the ZigBee transceiver by wireless communication;

蓝牙ZigBee网关协议模型分为以下几层:最上层是网关的管理层,下层分别是与蓝牙子节点的协议对应的蓝牙射频、基带、链路管理协议LMP和逻辑链路控制与适配协议L2CAP、电缆替代协议RFCOMM和服务发现协议SDP,和与ZigBee节点的协议相对应的ZigBee物理层、ZigBee介质访问控制MAC层和ZigBee网络层;蓝牙ZigBee网关管理层是蓝牙及ZigBee初始化、配置和连接管理期间使用执行过程,以及蓝牙与ZigBee共存管理的管理实体,它负责管理报文的封装和拆除。 Bluetooth ZigBee gateway protocol model is divided into the following layers: the top is the management of the gateway, the lower layer protocols are Bluetooth child node corresponding to Bluetooth radio, baseband, link manager and LLC protocol LMP and L2CAP protocol adaptation , cable replacement protocol RFCOMM protocol and the SDP service discovery protocol, and a ZigBee node corresponding ZigBee physical layer, medium access control MAC layer ZigBee and ZigBee network layer; Bluetooth ZigBee and Bluetooth ZigBee gateway management initialization, configuration and connection management used during the implementation process, as well as Bluetooth and ZigBee coexistence management entity management, which is responsible for managing the packet encapsulation and removal.

蓝牙ZigBee网关的处理方法是: Bluetooth ZigBee gateway approach is:

1 )对从Zigbee节点发送到蓝牙主机的数据来说,在蓝牙ZigBee网关需经过以下处理: 从Zigbee节点接收到的数据一去掉ZigBee物理层分组头一去掉ZigBee介质访问控制MAC层分组头一去掉ZigBee网络层分组头—添加蓝牙电缆替代协议RFCOMM层分组头(此步骤可选)一添加蓝牙逻辑链路控制与适配协议L2CAP层分组头一添加蓝牙物理层分组头。 1) Data is transmitted from the bluetooth host to the Zigbee node, the Bluetooth ZigBee gateway subject to the processes of: receiving data from the Zigbee node to a physical layer packet header is removed ZigBee ZigBee remove a medium access control MAC layer packet a header removed ZigBee network layer packet header - Add RFCOMM layer protocol packet header cable replacement Bluetooth (this step is optional) adding a Bluetooth Logical link control and adaptation protocol L2CAP layer packet header to add a Bluetooth physical layer packet header.

2) 对从蓝牙子节点发送到ZigBee的数据来说,在网关里,它需要经过以下处理:从蓝牙子节点接收到的数据~>去掉蓝牙物理层分组头">去掉蓝牙逻辑链路控制与适配协议L2CAP层分组头—去掉蓝牙电缆替代协议RFCOMM层分组头(此步骤可选)^添加ZigBee 网络层分组头4添加ZigBee介质访问控制MAC层分组头—添加ZigBee物理层分组头。 2) data transmitted from the Bluetooth ZigBee node to the child, in the gateway where it needs to go through the processes of: receiving from the bluetooth child node data ~> Bluetooth physical layer packet header is removed "> removed and the Bluetooth Logical Link Control L2CAP packet header adaptation protocol layer - removing the RFCOMM layer protocol packet header cable replacement Bluetooth (this step is optional) ^ ZigBee network layer packet header added add 4 ZigBee medium access control MAC layer packet header - Add ZigBee physical layer packet header.

3) 对从蓝牙子节点A发送给蓝牙子节点B的数据来说,在网关里,它需要经过以下处理:从蓝牙子节点A接收到的数据4去掉蓝牙物理层分组头4去掉蓝牙逻辑链路控制与适配协议L2CAP层分组头~>去掉蓝牙电缆替代协议RFCOMM层分组头(此步骤可选) 添加蓝牙电缆替代协议RFCOMM层分组头(此步骤可选)~>添加蓝牙逻辑链路控制与适配协议L2CAP层分组头—添加蓝牙物理层分组头。 3) data transmitted from the node A to the Bluetooth Bluetooth child child node of B, in a gateway where it needs to go through the processes of: receiving from the bluetooth A child node data 4 is removed to the Bluetooth physical layer packet header is removed Bluetooth logical chain 4 L2CAP channel control and adaptation protocol layer packet header ~> RFCOMM layer is removed cable replacement Bluetooth protocol packet header (this step is optional) add cable replacement Bluetooth RFCOMM layer protocol packet header (this step is optional) -> Add Bluetooth Logical link control and adaptation protocol layer L2CAP packet header - Add the Bluetooth physical layer packet header.

4) 对从Zigbee节点A发送给Zigbee节点B的数据来说,在网关里,它需要经过以下处理:从Zigbee节点A接收到的数据—去掉ZigBee物理层分组头—去掉ZigBee介质访问控制MAC层分组头一去掉ZigBee网络层分组头—添加ZigBee网络层分组头~>添加ZigBee介质访问控制MAC层分组头~>添加ZigBee物理层分组头。 4) the data is transmitted to the Zigbee node B from node A Zigbee, in a gateway where it needs to go through the processes of: receiving from the Zigbee node A data - ZigBee physical layer packet header is removed - to remove medium access control MAC layer ZigBee a packet header is removed ZigBee network layer packet header - Add ZigBee network layer packet header ~> added ZigBee medium access control MAC layer packet header ~> added ZigBee physical layer packet header.

所述蓝牙ZigBee网关中包括主程序,该主程序实现如下功能: 1 )注册过程:当蓝牙子节点和Zigbee节点进入蓝牙ZigBee网络当中时,蓝牙和Zigbee 节点必须向蓝牙ZigBee网关进行注册登记和鉴权;2) 服务发现:在本发明中,首要的目的是能够找到网络中的蓝牙子节点和Zigbee节点,并知道他们使用的协议,这个通过蓝牙ZigBee网关所提供的服务发现服务来实现。 The gateway includes a main Bluetooth ZigBee, to achieve the main following functions: 1) register process: When the child node Bluetooth and Zigbee node enters the network among Bluetooth ZigBee, Bluetooth and Zigbee nodes must be registered to the Bluetooth and ZigBee gateway KAM rights; 2) service discovery: in the present invention, the primary objective is to find the child node Bluetooth and Zigbee nodes in the network, and know the protocol they use the service via Bluetooth ZigBee gateway provides discovery services to achieve. 在服务发现服务的服务记录中,包含有设备名称、地址、协议描述等相关信息,使蓝牙子节点能够发现所有注册到网关的蓝牙子节点及Zigbee节点,反过来Zigbee节点也能找到Zigbee节点及蓝牙子节点; In the service discovery service record service, the device includes name, address, description of the protocol and other relevant information, the Bluetooth sub-node can find all gateways registered to Bluetooth and Zigbee nodes child nodes, in turn, can also be found Zigbee Zigbee nodes and node Bluetooth child nodes;

3) 连接过程:是指蓝牙子节点和Zigbee节点之间,或者蓝牙子节点与蓝牙子节点之间、Zigbee节点与Zigbee节点之间的连接过程,Zigbee节点与蓝牙子节点之间的连接必须通过网关中转,而蓝牙子节点之间及Zigbee节点之间可以通过网关中转,也可以直接相连; 在连接过程中,采用逐层连接的方式; 3) connection process: it refers to the connection between the connection procedure between the node between Bluetooth and Zigbee child node, the child node with the Bluetooth or Bluetooth child node, and the node Zigbee node Zigbee, Bluetooth and Zigbee node child node must be transit gateway, between Bluetooth and Zigbee node and child node can transit through the gateway, may be directly connected; in the connection process, by way of the connection layer by layer;

4) 数据收发过程:包括Zigbee节点数据收发过程、蓝牙子节点数据收发过程和蓝牙ZigBee网关中的数据收发过程; 4) During the transmission of data: data transceiver includes a Zigbee node process, data transmission and reception process of transmitting and receiving Bluetooth data subnode ZigBee and Bluetooth gateway;

5) 断开过程:是指连接过程的相反过程,也就是指蓝牙子节点与Zigbee节点之间或者蓝牙子节点与蓝牙子节点之间、Zigbee节点与Zigbee节点之间的断开连接过程。 5) Disconnect procedure: means connected to the reverse process of the process, but also refers to the disconnection process between nodes or between a Bluetooth sub-child node between Bluetooth and the Bluetooth and Zigbee node subnode, Zigbee and the Zigbee node node. 断开过程必须经过网关中转;不经过网关断开的过程不在此发明之内。 Disconnection process must transit through the gateway; without disconnecting the gateway process is not within this invention.

6) 注销过程:当设备要求离开蓝牙ZigBee网络,产生注销过程。 6) logoff process: When the Bluetooth ZigBee network apparatus to leave, resulting in cancellation process. 注销过程分为正常注销和非正常注销。 Write-off write-off process is divided into normal and non-normal cancellation.

相比现有技术,本发明具有如下优点: Compared with the prior art, the present invention has the following advantages:

1、 本发明蓝牙ZigBee网关使蓝牙和ZigBee两种设备之间能顺利流畅地实现通信。 1, the present invention enables Bluetooth ZigBee gateway enables smooth communication between Bluetooth and ZigBee, smooth two devices.

2、 本发明蓝牙ZigBee网关蓝牙部分对于蓝牙子节点可以作为网关使用,网关中的ZigBee部分对于Zigbee节点可以作为ZigBee协调器使用。 2, the gateway Bluetooth Bluetooth ZigBee may be used for part of the present invention as a gateway node child Bluetooth, ZigBee portion for Zigbee gateway node may be used as the ZigBee coordinator.

附图说明 BRIEF DESCRIPTION

图1是蓝牙ZigBee网关的硬件框图; 图2是蓝牙ZigBee协议模型图示; 图3是蓝牙ZigBee网关程序功能图。 FIG. 1 is a hardware block diagram of a Bluetooth ZigBee gateway; FIG. 2 illustrates a Bluetooth ZigBee protocol model; FIG. 3 is a functional diagram of a Bluetooth ZigBee gateway program.

具体实施方式 Detailed ways

下面通过借助附图详细描述本发明的具体信息,以便进一步理解本发明。 The following specific information by means of the detailed description of the present invention, in order to further understanding of the invention. 1、蓝牙ZigBee网关的硬件设计 1, Bluetooth, ZigBee gateway hardware design

如图1所示,蓝牙ZigBee网关主要包括:蓝牙模块1和ZigBee模块2。 As shown in FIG. 1, the Bluetooth ZigBee gateway including: a Bluetooth module and a ZigBee module 2. 蓝牙模块1 与ZigBee模块2之间通过串口相连,用于将蓝牙模块1的数据传给ZigBee模块2或把ZigBee模块2的数据传给蓝牙模块1 。 Bluetooth and ZigBee module 1 through the serial port module is connected between the two, a Bluetooth module for data passed to the ZigBee module or a ZigBee module data 2 is transmitted to the Bluetooth module 2 1.

实施例中:蓝牙模块1与RS232串口相连,该模块主要实现蓝牙HCI层以下的协议, 并且提供符合蓝牙规范的空中接口。 Example: Bluetooth module 1 is connected to the RS232 serial port, the main module of the Bluetooth HCI protocol layer below, and provides an air interface compliant with the Bluetooth specification. 模块内芯片中的蓝牙收发器4与蓝牙子节点5进行通讯。 The Bluetooth transceiver chip module 4 to communicate with the Bluetooth child node 5. 蓝牙子节点5可以是蓝牙手机或是主机中的蓝牙适配器。 Bluetooth child node 5 may be a Bluetooth mobile phone or Bluetooth host adapter.

ZigBee模块2与RS232串口相连,为了节约成本和减少网关的体积,采用Chipcon公司的cc2430-F128芯片,芯片内部写入了网关的管理程序。 ZigBee module 2 and the RS232 serial port, in order to save costs and reduce the volume of gateways, cc2430-F128 chip, the chip is written using the Chipcon gateway management procedures. 此模块用于接收由Zigbee节点6传送过来的数据,并进行处理。 This means for receiving data transmitted by the Zigbee node 6 over and processed. 模块中的ZigBee收发器3用于和Zigbee节点6通过无线方式通信。 ZigBee transceiver module Zigbee nodes 3 and 6 for communicating by radio.

蓝牙ZigBee网关硬件的功能为:遇到紧急情况,按紧急按钮可以向管理中心报警;并通过网关上的无线(ZigBee、蓝牙)模块可以分别与Zigbee节点6和蓝牙子节点5进行通信。 Bluetooth ZigBee gateway hardware capabilities: In case of emergency, can press the emergency button the alarm management center; and may communicate via wireless (ZigBee, Bluetooth) module on the gateway node 6, respectively Zigbee, and Bluetooth sub-node 5.

2、软件设计2.1协议模型: 2, 2.1 protocol software design model:

蓝牙ZigBee网关协议模型主要针对无线通信中两种不同的标准,即蓝牙和ZigBee产品之间的相互通信。 Bluetooth ZigBee Gateway Protocol model focused on wireless communications in two different criteria, namely mutual communication between Bluetooth and ZigBee products.

如图2所示,蓝牙ZigBee网关9协议模型分为以下几层:最上层是网关的管理层8, 下层分别是与蓝牙子节点7的协议对应的蓝牙射频、基带、链路管理协议LMP和逻辑链路控制与适配协议L2CAP、电缆替代协议RFCOMM和服务发现协议SDP,和与Zigbee 节点10的协议相对应的ZigBee物理层、ZigBee介质访问控制MAC层和ZigBee网络层。 2, the gateway 9 Bluetooth ZigBee protocol model is divided into the following layers: the top is the management gateway 8, with the lower layer protocols are Bluetooth 7 child node corresponding to Bluetooth radio, baseband, LMP Link Management Protocol, and Logical link control and adaptation protocol L2CAP, RFCOMM protocol and cable replacement service discovery protocol SDP, and ZigBee protocol Zigbee node physical layer 10 corresponds to, ZigBee medium access control MAC layer and ZigBee network layer. 蓝牙ZigBee网关9对于蓝牙子节点7是主设备,对于Zigbee节点10是协调器。 9 Bluetooth ZigBee gateway for Bluetooth master device is a child node 7, node 10 is for the Zigbee coordinator. 蓝牙子节点7的协议中的射频、基带、链路管理协议LMP和逻辑链路控制与适配协议L2CAP以及ZigBee的物理层和介质访问控制MAC是OSI的第一、二层。 Bluetooth RF protocol child node 7 in the baseband, LMP LMP and logical link control and adaptation protocol L2CAP and physical layer and media access control (MAC) ZigBee OSI is the first, the second floor. 蓝牙电缆替代协议RFCOMM 是对GSMTS 07.10的蓝牙适配;蓝牙SDP是蓝牙服务发现协议。 Bluetooth cable replacement protocol RFCOMM is GSMTS 07.10 Bluetooth adapter; Bluetooth SDP is the Bluetooth Service Discovery Protocol. 蓝牙ZigBee网关的管理层8是蓝牙及ZigBee初始化、配置和连接管理期间使用的执行过程,以及蓝牙与ZigBee 共存管理的管理实体。 Management Gateway Bluetooth ZigBee and Bluetooth ZigBee 8 is initialized during execution using the configuration and connection management, and management entity Bluetooth and ZigBee coexistence management. 它是整个网关的协议转换功能单元,它负责管理报文的封装和拆除。 It is a whole protocol conversion gateway function unit, which is responsible for managing the packet encapsulation and removal.

蓝牙与Zigbee节点之间建立连接的过程:首先蓝牙子节点7和蓝牙ZigBee网关9每层之间分别建立连接,接着蓝牙子节点7向蓝牙ZigBee网关9发送一个连接请求,连接请求数据包中包含所要连接的Zigbee节点10地址等相关信息,之后蓝牙ZigBee网关9与相应的Zigbee节点10各层之间分别建立连接,成功之后向Zigbee节点10发送连接请求。 Establishing the connection between Bluetooth and Zigbee nodes: a first child node 7 Bluetooth ZigBee and Bluetooth gateway establishes a connection between 9 are each, followed by Bluetooth child node 7 sends a connection request to the Bluetooth ZigBee gateway 9, the connection request packet comprising after 10 Zigbee node addresses and other relevant information to connect Bluetooth ZigBee gateway 9 then establish a connection respectively between the success of the respective layers 10 and Zigbee node sends a connection request to the Zigbee node 10. Zigbee节点10接收到连接请求命令之后,它就做出决定是否接收连接请求命令,如果 After Zigbee node 10 receives the connection request command, it makes the decision whether the received connection request command, if

Zigbee节点10接受连接请求命令,则蓝牙子节点7和Zigbee节点10之间就建立起连接了。 Zigbee node 10 accepts the connection request command, the child node 7 Bluetooth and Zigbee node 10 to establish a connection between the. 发送数据过程:蓝牙子节点7向网关9发送数据,网关9接收到数据之后,每层都对数据进行处理,数据包在到达管理层8时,其所有的头部均被丢弃掉。 Data transmission process: after 7 Bluetooth child node 9 transmits data to the gateway, the gateway receives the data 9, each layer for data processing, management packets arrive 8, the head are all discarded. 此时管理层8把先前蓝牙子节点7和Zigbee节点10之间建立连接的相关信息取出,比如地址等信息。 At this time, the management eight child nodes previously established Bluetooth and Zigbee node 7 between the extracted connection information 10, such as address information. 然后管理层8就把地址等信息加入到数据包上,接着继续向下层传输,继续添加相关的信息。 8 is then put address management information into the packet, and then continue to the lower transmission, continue to add relevant information. 最后网关9发送出数据包,Zigbee节点10就接收到相应的数据包。 Finally, the gateway sends out packets 9, Zigbee node 10 corresponding to the received data packet.

蓝牙ZigBee网关9的处理过程: Bluetooth ZigBee gateway 9 of the process:

1) 对从Zigbee节点10发送到蓝牙主机的数据来说,在蓝牙ZigBee网关9需经过以下处理:从Zigbee节点10接收到的数据一去掉ZigBee物理层分组头一去掉ZigBee介质访问控制MAC层分组头一去掉ZigBee网络层分组头—添加蓝牙电缆替代协议RFCOMM 层分组头(此步骤可选)—添加蓝牙逻辑链路控制与适配协议L2CAP层分组头一添加蓝牙物理层分组头: 1) Data is transmitted from the bluetooth host to the Zigbee node 10, the gateway 9 Bluetooth ZigBee subject to the processes of: receiving from the Zigbee node 10 to a data physical layer packet header is removed ZigBee ZigBee remove a medium access control MAC layer packet first remove a ZigBee network layer packet header - Add RFCOMM layer protocol packet header cable replacement Bluetooth (this step is optional) - Add a Bluetooth Logical link control and adaptation protocol L2CAP layer packet header to add a Bluetooth physical layer packet header:

2) 对从蓝牙子节点7发送到ZigBee的数据来说,在网关里,它需要经过以下处理: 从蓝牙子节点7接收到的数据—去掉蓝牙物理层分组头—去掉蓝牙逻辑链路控制与适配协议L2CAP层分组头4去掉蓝牙电缆替代协议RFCOMM层分组头(此步骤可选)—添加ZigBee网络层分组头—添加ZigBee介质访问控制MAC层分组头~>添加ZigBee物理层分组头。 2) the data is transmitted from the Bluetooth ZigBee 7 to child nodes, in a gateway where it needs to go through the processes of: receiving from the bluetooth child node 7 to the data - the Bluetooth physical layer packet header is removed - and remove the Bluetooth Logical Link Control L2CAP packet header adaptation protocol layer 4 is removed cable replacement Bluetooth RFCOMM layer protocol packet header (this step is optional) - ZigBee network layer packet header added - added ZigBee medium access control MAC layer packet header ~> added ZigBee physical layer packet header. 3) 对从蓝牙子节点A发送给蓝牙子节点B的数据来说,在网关里,它需要经过以下处理:从蓝牙子节点A接收到的数据—去掉蓝牙物理层分组头~>去掉蓝牙逻辑链路控制与适配协议L2CAP层分组头—去掉蓝牙电缆替代协议RFCOMM层分组头(此步骤可选)4 添加蓝牙电缆替代协议RFCOMM层分组头(此步骤可选)~>添加蓝牙逻辑链路控制与适配协议L2CAP层分组头—添加蓝牙物理层分组头。 3) data transmitted from the node A to the Bluetooth Bluetooth child child node of B, in a gateway where it needs to go through the following process: A child node is received from the Bluetooth data - removing the Bluetooth physical layer packet header ~> Bluetooth logic removed link control and adaptation protocol packet header L2CAP layer - removing the RFCOMM layer protocol packet header cable replacement Bluetooth (this step is optional) 4 was added RFCOMM layer protocol packet header cable replacement Bluetooth (this step is optional) -> Add Bluetooth logical link control and adaptation protocol L2CAP layer packet header - Add the Bluetooth physical layer packet header.

4) 对从Zigbee节点A发送给Zigbee节点B的数据来说,在网关里,它需要经过以下处理:从Zigbee节点A接收到的数据—去掉ZigBee物理层分组头一去掉ZigBee介质访问控制MAC层分组头—去掉ZigBee网络层分组头—添加ZigBee网络层分组头~>添加ZigBee介质访问控制MAC层分组头—添加ZigBee物理层分组头。 4) the data is transmitted to the Zigbee node B from node A Zigbee, in a gateway where it needs to go through the processes of: receiving from the Zigbee node A data - a physical layer packet header is removed ZigBee ZigBee remove a media access control MAC layer packet header - removing the ZigBee network layer packet header - Add ZigBee network layer packet header ~> added ZigBee medium access control MAC layer packet header - Add ZigBee physical layer packet header.

2.2蓝牙ZigBee网关主程序功能: 2.2 Bluetooth ZigBee gateway main functions:

参见图3,蓝牙ZigBee网关主程序的主要实现注册ll、服务发现12、连接13、数据收发14、断开15和注销16这几个功能。 Referring to Figure 3, the main routine Bluetooth ZigBee gateway mainly realizes register ll, service discovery 12, 13 are connected, data transceiver 14, 15 is disconnected and these 16 logout function.

1) 注册过程11:当蓝牙子节点和Zigbee节点进入蓝牙ZigBee网络当中时,蓝牙和Zigbee节点必须向蓝牙ZigBee网关进行注册登记和鉴权; 1) registration process 11: When the child node Bluetooth and Zigbee node enters the network among Bluetooth ZigBee, Bluetooth and Zigbee nodes must be registered to the Bluetooth and ZigBee authentication gateway;

2) 服务发现12:在本发明中,首要的目的是能够找到网络中的蓝牙子节点和Zigbee节点,并知道他们使用的协议,这个通过蓝牙ZigBee网关所提供的服务发现服务来实现。 2) Service Discovery 12: In the present invention, the primary purpose of the network is to be found in Bluetooth and Zigbee nodes child nodes, and know the protocol they use the service via Bluetooth ZigBee gateway provides discovery services to achieve. 在服务发现服务的服务记录中,包含有设备名称、地址、协议描述等相关信息,使蓝牙子节点能够发现所有注册到网关的蓝牙子节点及Zigbee节点,反过来Zigbee节点也能找到Zigbee节点及蓝牙子节点; In the service discovery service record service, the device includes name, address, description of the protocol and other relevant information, the Bluetooth sub-node can find all gateways registered to Bluetooth and Zigbee nodes child nodes, in turn, can also be found Zigbee Zigbee nodes and node Bluetooth child nodes;

3) 连接过程13:是指蓝牙子节点和Zigbee节点之间,或者蓝牙子节点与蓝牙子节点之间、Zigbee节点与Zigbee节点之间的连接过程,Zigbee节点与蓝牙子节点之间的连接必须通过网关中转,而蓝牙子节点之间及Zigbee节点之间可以通过网关中转,也可以直接相连;在连接过程中,采用逐层连接的方式; 3) connection process 13: the connection between the connecting means between the process between Bluetooth and Zigbee node child node, the child node with the Bluetooth or Bluetooth child node, and the node Zigbee node Zigbee, Bluetooth and Zigbee node have child nodes transit through the gateway, between the Bluetooth and Zigbee node and child node can transit through the gateway, may be directly connected; in the connection process, by way of the connection layer by layer;

4) 数据收发过程14:包括Zigbee节点数据收发过程、蓝牙子节点数据收发过程和蓝牙ZigBee网关中的数据收发过程: 4) data transceiver 14 processes: the process comprises a Zigbee node data transceiver, a Bluetooth transceiver child node data during data transmission and reception of Bluetooth and ZigBee gateway process:

5) 断开过程15:是指连接过程的相反过程,也就是指蓝牙子节点与Zigbee节点之间或者蓝牙子节点与蓝牙子节点之间、Zigbee节点与Zigbee节点之间的断开连接过程。 5) 15 disengagement process: refers to the reverse process of the connection process, also refers to the disconnection process between nodes or between a Bluetooth sub-child node between Bluetooth and the Bluetooth and Zigbee node subnode, Zigbee and the Zigbee node node. 断开过程必须经过网关中转。 Disconnect the process must transit through the gateway. 不经过网关断开的过程不在此发明之内。 Without the gateway process is not disconnected in this invention.

6) 注销过程16:当设备要求离开蓝牙ZigBee网络,产生注销过程。 6) 16 logoff process: When the Bluetooth ZigBee network apparatus to leave, resulting in cancellation process. 注销过程分为正常注销和非正常注销。 Write-off write-off process is divided into normal and non-normal cancellation.

通过蓝牙ZigBee网关提供的发现服务,注册到网络中的Zigbee节点及蓝牙子节点可以査询附近所有的Zigbee节点及蓝牙子节点。 ZigBee Gateway provides discovery services via Bluetooth, Zigbee node and registered to the Bluetooth sub-node in the network can query all Bluetooth Zigbee nodes and sub-nodes nearby.

正常处理流程为:蓝牙子节点或Zigbee节点首先向蓝牙ZigBee网关进行注册11登记和鉴权。 Normal process flow is: Bluetooth or Zigbee node first child node register 11 to the Bluetooth ZigBee registration and authentication gateway. 当蓝牙子节点和Zigbee节点加入到蓝牙ZigBee网络中之后,它们自己是作为客户机,而蓝牙ZigBee网关作为服务器。 When the child node Bluetooth and Zigbee nodes added to the Bluetooth ZigBee network, which is to be a client, and Bluetooth ZigBee gateway as the server. 通过服务发现协议SDP,它们可以搜索到在蓝牙ZigBee网关中注册的蓝牙子节点及Zigbee节点。 Through service discovery protocol SDP, they can search for Bluetooth and Zigbee nodes child nodes registered in the Bluetooth ZigBee gateway. 通过连接过程13中,可以在蓝牙子节点与Zigbee节点之间或者蓝牙子节点之间或者Zigbee节点之间建立连接,连接之后,就可以使用数据收发过程14收发数据。 13 by the connection process, the connection can be established between the Bluetooth and Zigbee node between the child node or child node between Bluetooth or Zigbee node, after the connection, the process can use the data transceiver 14 transmits and receives data. 数据收发完成之后,可以使用断开过程15断开两者之间的连接。 After completion of data transmission and reception, may be used between the two connector 15 is disconnected disconnection process. 当设备要求离开蓝牙ZigBee网络,就可以使用注销过程16进行注销,注销之后其他设备也就不会再搜索到这个设备了。 When asked to leave Bluetooth ZigBee network device, you can use the write-off write-off process 16, after the cancellation of other devices will no longer search to this equipment was.

本发明是从蓝牙和ZigBee技术的实用价值出发来进行描述的,在不脱离附属的权利要求书所限定的本发明的精神和范围的情况下,可以进行各自形式和细节的改变。 The present invention is of practical value from Bluetooth and ZigBee technology to be described, the spirit and scope of the present invention without departing from the claims as defined by the appended claims, the respective changes may be made in form and detail.

Claims (4)

1、蓝牙ZigBee网关,其特征在于硬件包括蓝牙模块(1)和ZigBee模块(2);蓝牙模块(1)与ZigBee模块(2)之间通过串口相连,将蓝牙模块(1)的数据传给ZigBee模块(2)或把ZigBee模块(2)的数据传给蓝牙模块(1);该蓝牙模块内芯片中的蓝牙收发器(4)与蓝牙子节点(5)通过无线方式通讯;ZigBee收发器(3)与Zigbee节点(6)通过无线方式通信; 蓝牙ZigBee网关协议模型分为以下几层:最上层是网关的管理层(8),下层分别是与蓝牙子节点(5)的协议对应的蓝牙射频、基带、链路管理协议LMP和逻辑链路控制与适配协议L2CAP、电缆替代协议RFCOMM和服务发现协议SDP,和与Zigbee节点(6)的协议相对应的ZigBee物理层、ZigBee介质访问控制MAC层和ZigBee网络层;蓝牙ZigBee网关的管理层(8)是蓝牙及ZigBee初始化、配置和连接管理期间使用执行过程以及蓝牙与ZigBee共存管理的管理实体,它负责管理报文的封装和拆除 1, Bluetooth ZigBee gateway, wherein the hardware comprises a Bluetooth module (1) and ZigBee module (2); Bluetooth module (1) and ZigBee module through the serial port (2), the data of the Bluetooth module (1) is passed data ZigBee module (2) or the ZigBee module (2) is transmitted to the Bluetooth module (1); the Bluetooth Bluetooth transceiver (4) and Bluetooth child node (5) of the chip module by wireless communication; ZigBee transceiver (3) the Zigbee node (6) by wireless communication; Bluetooth ZigBee gateway protocol model is divided into the following layers: the top is the management gateway (8), the lower layer protocols are Bluetooth child node (5) corresponding to Bluetooth radio, baseband, link manager and LLC protocol LMP protocol adaptation with the L2CAP, RFCOMM protocol cable replacement service discovery protocols and the SDP, and a Zigbee node (6) corresponding to the ZigBee protocol physical layer, medium access ZigBee ZigBee network control layer and a MAC layer; Bluetooth ZigBee management gateway (8) is a Bluetooth and ZigBee initialization, configuration, and execution and management entity using Bluetooth and ZigBee coexistence management during the connection management is responsible for managing the packet encapsulation and removal ; 蓝牙ZigBee网关(9)的处理方法是: 1)对从Zigbee节点(6)发送到带蓝牙适配器的主机的数据来说,在蓝牙ZigBee网关需经过以下处理:从Zigbee节点(6)接收到的数据→去掉ZigBee物理层分组头→去掉ZigBee介质访问控制MAC层分组头→去掉ZigBee网络层分组头→添加蓝牙逻辑链路控制与适配协议L2CAP层分组头→添加蓝牙物理层分组头; 2)对从蓝牙子节点(5)发送到Zigbee节点(6)的数据来说,在网关里,它需要经过以下处理:从蓝牙子节点(5)接收到的数据→去掉蓝牙物理层分组头→去掉蓝牙逻辑链路控制与适配协议L2CAP层分组头→添加ZigBee网络层分组头→添加ZigBee介质访问控制MAC层分组头→添加ZigBee物理层分组头; 3)对从蓝牙子节点A发送给蓝牙子节点B的数据来说,在网关里,它需要经过以下处理:从蓝牙子节点A接收到的数据→去掉蓝牙物理层分组头→去掉蓝牙逻辑链路 ; Bluetooth ZigBee gateway (9) approach is: 1) data transmitted from the Zigbee node (6) to the host adapter with Bluetooth, the Bluetooth ZigBee gateway subject to the processes of: receiving from the Zigbee node (6) to removing data → → ZigBee physical layer packet header is removed ZigBee medium access control MAC layer packet header is removed → → ZigBee network layer packet header added Bluetooth Logical link control and adaptation protocol L2CAP layer packet header → Bluetooth physical layer packet header is added; 2 ) data transmitted from the Bluetooth child node (5) to the Zigbee node (6) is, in a gateway where it needs to go through the following process: data received from the bluetooth child node (5) to remove → → Bluetooth physical layer packet header remove the Bluetooth Logical link control and adaptation protocol L2CAP layer packet header added → → ZigBee network layer packet header added ZigBee medium access control MAC layer packet header → ZigBee physical layer packet header is added; 3) sent from the Bluetooth A Bluetooth subnode data sub node B, in a gateway where it needs to go through the processes of: receiving from the bluetooth child node a to remove data → → Bluetooth physical layer packet header is removed Bluetooth logical link 制与适配协议L2CAP层分组头→添加蓝牙逻辑链路控制与适配协议L2CAP层分组头→添加蓝牙物理层分组头; 4)对从Zigbee节点A发送给Zigbee节点B的数据来说,在网关里,它需要经过以下处理:从Zigbee节点A接收到的数据→去掉ZigBee物理层分组头→去掉ZigBee介质访问控制MAC层分组头→去掉ZigBee网络层分组头→添加ZigBee网络层分组头→添加ZigBee介质访问控制MAC层分组头→添加ZigBee物理层分组头。 System and adaptation protocol layer L2CAP packet header added → Bluetooth Logical Link Control and Adaptation Protocol L2CAP layer packet header → Bluetooth physical layer packet header is added; 4) data sent from the node A Zigbee Zigbee node B, in the gateway where it needs to go through the following process: data received from the Zigbee node a to → removed ZigBee physical layer packet header → remove ZigBee medium access control MAC layer packet header → removed ZigBee network layer packet header → Add ZigBee network layer packet header → Add ZigBee medium access control MAC layer packet header → Add ZigBee physical layer packet header.
2. 根据权利要求1所述的蓝牙ZigBee网关,其特征在于所述蓝牙ZigBee网关中包括主程序,该主程序实现如下功能:1) 注册过程(11):当蓝牙子节点和Zigbee节点进入蓝牙ZigBee网络当中时,蓝牙和Zigbee节点必须向蓝牙ZigBee网关进行注册登记和鉴权;2) 服务发现(12):首要的目的是能够找到网络中的蓝牙子节点和Zigbee节点,并知道他们使用的协议,这个通过蓝牙ZigBee网关所提供的服务发现服务来实现;在服务发现服务的服务记录中,包含有设备名称、地址、协议描述相关信息,使蓝牙子节点能够发现所有注册到网关的蓝牙子节点及Zigbee节点,反过来Zigbee节点也能找到Zigbee节点及蓝牙子节点;3) 连接过程(13):是指蓝牙子节点和Zigbee节点之间,或者蓝牙子节点与蓝牙子节点之间、Zigbee节点与Zigbee节点之间的连接过程,Zigbee节点与蓝牙子节点之间的连接必须通过网关 The Bluetooth ZigBee gateway according to claim 1, wherein said gateway comprises a main Bluetooth ZigBee, to achieve the main following functions: 1) registration process (11): When the Bluetooth and Zigbee node enters a child node Bluetooth when the ZigBee network which, Bluetooth and Zigbee node must be registered to the Bluetooth ZigBee gateway and authentication; 2) service discovery (12): the primary purpose is to find the child node Bluetooth and Zigbee nodes in the network, and that they use agreement, this service via Bluetooth ZigBee gateway provides discovery services to achieve; in service discovery service record service, contains the device name, address, protocol describes the relevant information to enable Bluetooth child node can find all registered to the gateway of the Bluetooth sub Zigbee node and the node, in turn, can find Zigbee node Zigbee node and child node Bluetooth; 3) connection procedure (13): refers to the nodes between Bluetooth and Zigbee child node, the child node with the Bluetooth or Bluetooth child nodes, Zigbee the connection between the connection procedure between the node and the node Zigbee, Zigbee node and child node must be Bluetooth gateway 中转,而蓝牙子节点之间及Zigbee节点之间可以通过网关中转,也可以直接相连;在连接过程中,采用逐层连接的方式;4) 数据收发过程(14):包括Zigbee节点数据收发过程、蓝牙子节点数据收发过程和蓝牙ZigBee网关中的数据收发过程;5) 断开过程(15):是指连接过程的相反过程,也就是指蓝牙子节点与Zigbee节点之间或者蓝牙子节点与蓝牙子节点之间、Zigbee节点与Zigbee节点之间的断开连接过程;断开过程必须经过网关中转;不经过网关断开的过程不在所述断开过程(15)之内;6) 注销过程(16):当设备要求离开蓝牙ZigBee网络,产生注销过程,注销过程分为正常注销和非正常注销。 Transfer, between Bluetooth and Zigbee node and a child node can transit through the gateway, may be directly connected; during the connection, is connected by way of a layer by layer; 4) Process data transceiver (14): comprising a process Zigbee node data transceiver , data transmission and reception process of transmitting and receiving Bluetooth child node data and Bluetooth ZigBee gateway; 5) disconnect procedure (15): refers to the reverse process of the connection process, i.e. Bluetooth means between the node and the child node Zigbee or Bluetooth child nodes Bluetooth between the child node, the disconnection process between a node and a Zigbee Zigbee node; disconnection process must transit through the gateway; without disconnecting the gateway process is not the disconnection process (15) within; 6) logoff process (16): when the Bluetooth ZigBee network apparatus to leave, resulting in cancellation process, log off process is divided into normal and abnormal logoff cancellation.
3. 根据权利要求1所述的蓝牙ZigBee网关,其特征在于所述蓝牙与Zigbee节点之间建立连接的过程:首先藍牙子节点(5)和蓝牙ZigBee网关(9)每层之间分别建立连接, 接着蓝牙子节点(5)向蓝牙ZigBee网关(9)发送一个连接请求,连接请求数据包中包含所要连接的? The Bluetooth ZigBee gateway according to claim 1, wherein the process of establishing a connection between the Bluetooth and Zigbee node: Bluetooth first child node (5) and Bluetooth ZigBee gateway (9) are connected between each establish followed Bluetooth child node (5) transmits a connection request to the Bluetooth ZigBee gateway (9), the connection request packet containing the data to be connected? igbee节点(6)逸址相关信息,之后蓝牙ZigBee网关(9)与相应的Zigbee 节点(6)冬驛之间分别建立连接,成功之后向Zigbee节点(6)发送连接请求命令;Zigbee 节点(6)接收到连接请求命令之后,它就做出决定是否接收连接请求命令,如果Zigbee 节点(6)接受连接请求命令,则蓝牙子节点(5)和Zigbee节点(6):之间就建立起连接了。 (6) access information Yi igbee nodes of Bluetooth is established between ZigBee gateway (9) and the respective Zigbee nodes (6) are respectively connected winter station, after successfully transmitting a connection request command to the Zigbee node (6); Zigbee node (6 ) after receiving the connection request command, it will decide whether to accept the connection request command, the connection request command if Zigbee node (6) to accept, the Bluetooth sub-node (5) and Zigbee nodes (6): to establish a connection between a.
4. 根据权利要求2所述的蓝牙ZigBee网关,其特征在于所述网关处理流程为:首先蓝牙子节点或Zigbee节点向蓝牙ZigBee网关进行注册(11)登记和鉴权,当蓝牙子节点和Zigbee节点加入到蓝牙ZigBee网络中之后,它们自己是作为客户机,而蓝牙ZigBee网关作为服务器;通过服务发现协议SDP,它们可以搜索到在蓝牙ZigBee网关中注册的蓝牙子节点及Zigbee节点;通过连接过程(13),在蓝牙子节点与Zigbee节点之间或者蓝牙子节点之间或者Zigbee节点之间建立连接,连接之后,就可以使用数据收发过程(14)收发数据;数据收发完成之后,可以使用断开过程(15)断开两者之间的连接;当设备要求离开蓝牙ZigBee网络,就可以使用注销过程(16)进行注销,注销之后其他设备也就不会再搜索到这个设备了。 The Bluetooth ZigBee gateway according to claim 2, characterized in that the gateway is the processing flow: First, Bluetooth or Zigbee node subnode register (11) the registration and authentication to the gateway Bluetooth ZigBee, Bluetooth when the child node and the Zigbee after the node is added to the Bluetooth ZigBee network, which is to be a client, and Bluetooth ZigBee gateway as the server; discovery protocol (SDP) through the service, they can search the Bluetooth sub-node and Zigbee nodes registered in the Bluetooth ZigBee gateway; through the connection process (13), establishing a connection between a Bluetooth sub-nodes or between Bluetooth and Zigbee node or child node Zigbee node, after the connection, the process can use the data transceiver (14) send and receive data; after completion data transceiver, can be used off open procedure (15) disconnect between the two; when asked to leave Bluetooth ZigBee network device, you can use the write-off process (16) were canceled, after the cancellation of other devices will no longer search to this equipment was.
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