WO2015051684A1 - 一种车辆组网通讯系统及其方法 - Google Patents

一种车辆组网通讯系统及其方法 Download PDF

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Publication number
WO2015051684A1
WO2015051684A1 PCT/CN2014/085887 CN2014085887W WO2015051684A1 WO 2015051684 A1 WO2015051684 A1 WO 2015051684A1 CN 2014085887 W CN2014085887 W CN 2014085887W WO 2015051684 A1 WO2015051684 A1 WO 2015051684A1
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Prior art keywords
vehicle
team
navigation
car navigation
navigation device
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PCT/CN2014/085887
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English (en)
French (fr)
Inventor
翁杰军
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深圳市掌讯通讯设备有限公司
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Priority claimed from CN201310469584.2A external-priority patent/CN103533508B/zh
Application filed by 深圳市掌讯通讯设备有限公司 filed Critical 深圳市掌讯通讯设备有限公司
Publication of WO2015051684A1 publication Critical patent/WO2015051684A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/36—Input/output arrangements for on-board computers
    • G01C21/3605—Destination input or retrieval
    • G01C21/362—Destination input or retrieval received from an external device or application, e.g. PDA, mobile phone or calendar application
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/024—Guidance services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/46—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the present invention relates to vehicle navigation and data communication, and in particular to a vehicle networking communication system and method thereof, and more particularly to a management system and method for a sports vehicle.
  • the team's head car is often equipped with a pilot who is familiar with the road conditions or familiar with the vehicle dispatch.
  • the head car is therefore also called the pilot vehicle.
  • the pilot vehicle is piloted, and other vehicles follow the pilot vehicle.
  • the pilots inquire and guide the location of each vehicle of the fleet through mobile communication devices, such as mobile phones and walkie-talkies.
  • the technical problem to be solved by the present invention is how to provide a vehicle networking communication system and method thereof, which can provide convenient communication, intercom and navigation for the fleet and easy to implement and promote.
  • the user car navigation device automatically searches for WIFI signals by WIFI, and identifies other car navigation devices nearby or car navigation devices with the captain logo;
  • the user car navigation device sends an invitation to some or all of the other car navigation devices in the vicinity, and the other party agrees to: create a vehicle communication network composed of the car navigation device that is selected by itself and the selected car navigation device by using the respective car navigation device number or unique identifier; Or the user car navigation device requests to join one of the car navigation devices identified by the team leader, and the other party agrees to: join the vehicle communication network corresponding to the team leader identifier;
  • the vehicle navigation device of the other members except the captain detects the WIFI signal of the vehicle communication network: if it is detached, the user or the user agrees to select the 3G network to connect the team's vehicle navigation device with the captain's logo; if the vehicle communication is re-received The WIFI signal of the network is automatically switched to the WIFI connection;
  • the in-vehicle navigation device identified by the team leader manages the intercom call according to the captain priority and time;
  • the in-vehicle navigation device that obtains the current intercom permission receives the voice and performs intra-broadcasting to other in-vehicle navigation devices or forwards through the in-vehicle navigation device with the captain identification;
  • All in-vehicle navigation devices monitor intra-broadcast broadcasts and receive and play the speech when they are called as intercom callers.
  • the vehicle networking communication method provided by the present invention further includes the following steps:
  • the user car navigation device sends a call request to other car navigation devices in the team through the member list, and the other party agrees to: use the team's vehicle communication network to make a two-party call.
  • the vehicle networking communication method provided by the present invention further includes the following steps:
  • the captain's car navigation device or authorized car navigation device sets up its own navigation, and then sends navigation broadcasts to other car navigation devices in the team, or forwarded by the captain's car navigation device;
  • the navigation parameter is the highest speed priority, the shortest path or the toll.
  • the navigation broadcast further includes a navigation algorithm
  • the vehicle networking communication method further includes selecting, by the other vehicle navigation devices in the team, a consistent navigation algorithm from a plurality of built-in navigation algorithms.
  • the navigation algorithm is Baidu, Gaode or a manufacturer-defined algorithm.
  • the navigation algorithm set according to the captain's car is Gaode, and the other cars automatically start after receiving the synchronization. Gao De.
  • the navigation broadcast further includes a navigation map version
  • the vehicle networking communication method further includes: the other in-vehicle navigation device in the team verifies whether the map is consistent with the map version in the navigation broadcast.
  • the connection dynamic management includes the captain car navigation device detecting the network connection status of the car navigation device of other members in the team and transmitting it to the car navigation devices of other members of all the teams;
  • the member's car navigation device detects its own network connection status and performs status indication.
  • the vehicle communication network includes a team number, and the car navigation device in the team receives WIFI broadcast/data including its own device number or unique label, and also receives a WIFI broadcast including the team number. /data.
  • a vehicle networking communication system is constructed, which is characterized in that it comprises a plurality of inter-networked WIFI modules and 3G-capable car navigation devices, specifically:
  • a captain car navigation device as a WIFI base station is used for online monitoring, call control and navigation synchronization of each member car navigation device; and accessing remote member car navigation devices through its own 3G module;
  • connection switching is preferably a WIFI connection within a range in which the WIFI signal can be received within the team. Otherwise choose 3G connection.
  • the member list does not require a mobile phone, convenient to achieve intra-team calls
  • FIG. 1 is a schematic diagram of a software flow of a team building a fleet of a vehicle in a vehicle network according to the present invention
  • FIG. 2 is a schematic diagram of a software flow of a team member's vehicle joining an existing fleet in the vehicle networking of the present invention
  • FIG. 3 is a schematic flowchart of a network dynamic management software of a vehicle in a vehicle networking of the present invention
  • FIG. 4 is a schematic flow chart of GPS synchronization software of a vehicle in a vehicle networking of the present invention
  • Figure 5 is a schematic diagram of the software flow of the automatic setting navigation subroutine of the player's car in Figure 4;
  • FIG. 6 is a schematic diagram of a software flow of call control between vehicle interiors in a vehicle network in the vehicle network of the present invention
  • FIG. 7 is a schematic diagram of a software flow of intercom control within the vehicle network of the present invention.
  • the vehicle networking communication system and the method thereof provided by the invention are embodied in a vehicle equipped with the same kind of vehicle navigation device, and the vehicle navigation device is generally provided with WIFI and 3G, which are referred to as a vehicle.
  • the software flow for the captain to create a fleet network program in the vehicle of the embodiment of the present invention includes the following steps:
  • WIFI searches for nearby cars and generates a list of vehicles
  • the software flow for the player to join the existing fleet network program in the vehicle of the embodiment of the present invention includes the following steps:
  • WIFI searches for a nearby car with the captain logo and generates a fleet list
  • step 204 if the car is originally a member of the team, the member list is directly sent to the requesting machine, and if it is not, but agrees to join, the updated member list is sent to the requesting machine.
  • the software flow for the fleet dynamic management program in the vehicle of the embodiment of the present invention includes:
  • On-line detection Real-time detection of the online status of the vehicle network, and through the avatar of the member list, the avatar can be its own or other people; the online status of others is broadcast by the captain's car. ;
  • the WIFI signal of the fleet is detected in real time. If it is not in the coverage of the captain's car, the automatic/hand selection is switched to the 3G network. In the present embodiment, the coverage refers to 200-300 meters.
  • the software flow for the fleet GPS synchronization program in the vehicle of the embodiment of the present invention includes:
  • the other party If the other party agrees, it will receive the GPS synchronous broadcast, obtain the navigation settings consistent with the captain, and automatically navigate.
  • the software flow for the automatic navigation setting subroutine in the fleet GPS synchronization in the vehicle of the embodiment of the present invention includes:
  • the navigation setting parameter is a high speed priority, a shortest distance or the most expensive.
  • the software flow for the fleet call procedure in the vehicle of the embodiment of the present invention includes: initiating a call to the designated vehicle through the member list, and then making a call after being connected; if the connection is WIFI, the call is free.
  • the specific solution may be that the two vehicles are directly connected or turned by the captain, preferably directly.
  • the software flow for the team intercom program in the vehicle of the embodiment of the present invention includes: performing captain priority and time priority call control through the captain car machine, and the team members apply for intercom, facilitating the whole.
  • the team keeps the communication open at all times; if it is a WIFI connection, all calls are free.
  • the vehicle networking communication system and method thereof of the present invention can also be implemented in an in-vehicle wireless communication and network device with a WIFI module and a 3G/4G function, or can be implemented in a shipboard device of each member ship in the fleet.
  • the invention relates to a vehicle networking communication system and a method thereof, which greatly facilitates the formation and piloting of the fleet, the management of the team, the group navigation, and the like, and the use cost and the additional implementation cost are low, and in particular, it will be widely applied to car navigation. In the system.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本发明涉及一种车辆组网通讯系统及其方法，其中系统由若干运动的车载导航设备无线组网而成，这些车载导航设备都带有WIFI 模块和 3G 功能；方法包括：（一）组网：通过车载导航设备自动 WIFI 搜索而成；（二）连接动态管理：优选 WIFI 连接，若不能接收 WIFI则选择 3G；（三）对讲：带队长标识的车载导航设备进行呼叫控制；获得当前对讲权限的车载导航设备收集语音并向队内其他车载导航设备进行广播；（四）队内通话：二个车载导航设备之间进行双方通话；（五）导航同步：队内所有车载导航设备按与队长一致的导航目的地和导航参数执行导航。

Description

一种车辆组网通讯系统及其方法 技术领域
本发明涉及 车辆导航和数据通讯 ，具体涉及一种车辆组网通讯系统及其方法，尤其是运动车辆的管理系统和方法。
背景技术
现代生活中，随着自驾游方式日渐流行、规模化汽车货物运输日渐成为趋势，越来越多的车辆选择组队出行。车队的头车上往往会配备熟悉路况或者熟悉车辆调度的领航人，头车因此也称作领航车辆。在行驶过程中，由领航车辆领航，其他车辆跟随领航车辆行驶。为了防止车队中的个别车辆掉队，车队中的各台车辆彼此之间不可间隔过长的距离。领航人通过移动通信设备，例如手机、对讲机等，对车队的各个车辆的位置进行询问、指导。由于一个车队首位车辆的距离一般都有数百米至上千米，车队中每个车辆驾驶人员不可能记得本车队所有的车，且现代社会的路况都比较复杂，因此，当车队中的个别车辆因为红绿灯、行驶速度较慢、被其他车辆所阻隔、或者交通事故等各种情况掉队时，领航人很难及时知晓具体情况以至于无法及时进行调度，同时领航人也难以回头去寻找掉队车辆，致使掉队车辆离整个车队越来越远，掉队车辆就要花费很大时间和精力才能回到车队。因此，使用现有技术中的车队领航方法进行车队领航难度非常大。使用现有技术车队领航系统进行车队领航的难度非常大，使用现有技术车队导航装置进行车队导航的难度非常大。
技术问题
本发明需要解决的技术问题是，如何提供一种车辆组网通讯系统及其方法，能为车队提供方便地通话、对讲和导航并且容易执行和推广。
技术解决方案
本发明的上述第一个技术问题这样解决：构建利用带WIFI模块和3G功能的车载导航设备，包括以下步骤：
(一）组网
用户车载导航设备自动WIFI搜索WIFI信号，识别附近的其他车载导航设备或带队长标识的车载导航设备；
用户车载导航设备向所述附近的其他车载导航设备中的部分或全部发送邀请，对方同意后：利用各自车载导航设备号或唯一标识创建由自身和选择同意的车载导航设备组成的车辆通讯网络；或者用户车载导航设备向所述带队长标识的车载导航设备中的一个请求加入，对方同意后：加入该队长标识对应的车辆通讯网络；
（二）连接动态管理
除队长外其他成员的车载导航设备探测所述车辆通讯网络的WIFI信号：若脱离，则自动或经用户同意选择3G网络连接本队的带队长标识的车载导航设备；若重新接收所述车辆通讯网络的WIFI信号，则自动切换到WIFI连接；
（三）对讲
由带队长标识的车载导航设备根据队长优先和时间先后管理对讲呼叫；
获得当前对讲权限的车载导航设备接收语音并向其他车载导航设备进行队内广播或者通过带队长标识的车载导航设备转发；
所有车载导航设备监听队内广播，在作为对讲呼叫主叫时外，接收并播放所述语音。
按照本发明提供的车辆组网通讯方法，还包括以下步骤：
（四）队内通话
用户车载导航设备通过成员列表向队内其他车载导航设备发送通话请求，对方同意后：利用本队的车辆通讯网络进行双方通话。
按照本发明提供的车辆组网通讯方法，还包括以下步骤：
（五）导航同步
队长车载导航设备自身或者授权本队内其他车载导航设备启动本队的所有车载导航设备进行导航同步；
队长车载导航设备或者授权的车载导航设备设置自身导航，再向队内其他车载导航设备发送导航广播，或由队长车载导航设备转发；
队内其他车载导航设备接收所述导航广播，根据它的用户同意的指令自动按与导航广播内一致的导航目的地和导航参数执行导航。
按照本发明提供的车辆组网通讯方法，所述导航参数是高速优先、最短路径或路费最省。
按照本发明提供的车辆组网通讯方法，所述导航广播中还包括导航算法，该车辆组网通讯方法还包括所述队内其他车载导航设备从内置的多种导航算法选取一致的导航算法。
按照本发明提供的车辆组网通讯方法，所述导航算法是百度、高德或厂家自定义算法，比如：根据队长车机设置的导航算法是高德，其他车机收到同步后也自动开启高德。
按照本发明提供的车辆组网通讯方法，所述导航广播中还包括导航地图版本，该车辆组网通讯方法还包括所述队内其他车载导航设备验证自身地图是否与导航广播中的地图版本一致。
按照本发明提供的车辆组网通讯方法，所述连接动态管理包括队长车载导航设备检测队内其他成员的车载导航设备的网络连接状态并将它发送给所有队内其他成员的车载导航设备；其他成员的车载导航设备检测自身网络连接状态并进行状态指示。
按照本发明提供的车辆组网通讯方法，所述车辆通讯网络包括队编号，本队内的车载导航设备接收含自身设备号或唯一标号的WIFI广播/数据，还接收含本队编号的WIFI广播/数据。
本发明的上述第二个技术问题这样解决：构建一种车辆组网通讯系统，其特征在于，包括若干互相组网的带WIFI模块和3G功能的车载导航设备，具体是：
一个作为WIFI基站的队长车载导航设备，用于进行各成员车载导航设备的在线监测、呼叫控制和按自身导航设置启动导航同步；并通过自身3G模块接入远程成员的车载导航设备；
其他作为成员的队员车载导航设备，用于进行自身在线监测、连接切换、通话和执行与队长车载导航设备的导航同步；所述连接切换是在能接收到队内WIFI信号的范围内优选WIFI连接，否则选择3G连接。
 有益效果
本发明提供的车辆组网通讯系统及其方法，克服传统局限，较现有技术具有以下优势：
1 、车辆自动组网，方便快捷；
2 、车辆在线监控，确保不掉队；
3 、车辆距离（信号）监控，自动切换 3G 和 WIFI ，最大节省通讯费用；
4 、成员列表无须手机，方便实现队内通话；
5 、呼叫控制，无须对讲机实现队内全体人员通话。
 附图说明
下面结合附图和具体实施例进一步对本发明进行详细说明：
图 1 是本发明的车辆组网中队长车机组建车队的软件流程示意图；
图 2 是本发明的车辆组网中队员车机加入已有车队的软件流程示意图；
图 3 是本发明的车辆组网中车机的网络动态管理软件流程示意图；
图 4 是本发明的车辆组网中车机的 GPS 同步软件流程示意图；
图 5 是图 4 中队员车机自动设置导航子程序的软件流程示意图；
图 6 是本发明的车辆组网中车队内部车机之间通话控制的软件流程示意图；
图 7 是本发明的车辆组网中车队内部对讲控制的软件流程示意图。
 本发明的最佳实施方式
本发明提供的车辆组网通讯系统及其方法具体实施在配有同种车载导航设备的车辆中，该车载导航设备普遍都设有WIFI和3G，简称车机。
如图1所示，本发明具体实施例的车机中用于队长创建车队网络程序的软件流程包括以下步骤：
101）通过人机界面接收创建车队群组的指令；
102）创建车队名称，设置密码（可以让知道密码的选择加入）；
103）WIFI搜索附近车机并生成车辆列表；
104）从车辆列表中选择成员并向它们发送邀请；
105）判断对方是否接受或者超时？仅将接受的加入车队；
106）生成车队成员列表并发给每个成员。
如图2所示，本发明具体实施例的车机中用于队员加入已有车队网络程序的软件流程包括以下步骤：
201）通过人机界面接收加入车队群组的指令；
202）WIFI搜索附近带队长标识的车机并生成车队列表；
203）从车队列表中选择车队并向它对应的队长车机发送加入请求；
204）等待对方同意。若不同意或超时，显示拒绝或错误；若同意，则加入成功并获取队内的成员列表。
其中：步骤204）中若该车机原来已是车队成员，则将成员列表直接发送给请求加入的车机，若原来不是但同意加入，则将更新后的成员列表发送给请求加入的车机。
如图3所示，本发明具体实施例的车机中用于车队动态管理程序的软件流程包括：
A、在线检测：实时检测车机网络在线状态，并通过成员列表的头像明/暗指示，该头像可以自身的，也可以是他人的；他人的网络在线状态是由队长车机发送广播而来；
B、距离检测：实时检测车队WIFI信号，若不在队长车机的覆盖范围自动/手选切换到3G网络。在本实施例中该覆盖范围是指200-300米。
如图4所示，本发明具体实施例的车机中用于车队GPS同步程序的软件流程包括：
401）通过人机界面在队长车机上接收GPS同步的指令；
402）通过人机界面设置自身导航；
403）向车队各车机发送GPS同步广播；
404）对方若同意，则接收GPS同步广播、获得与队长一致的导航设置，自动进行导航。
如图5所示，本发明具体实施例的车机中用于车队GPS同步中自动导航设置子程序的软件流程包括：
501）从广播中提取目的地、导航算法、导航地图版本和导航设置参数；
502）是否有一致算法？是，选择一致算法；否则获取一致算法；
503）是否有一致地图？是，选择一致地图；否则获取一致地图；
504）在自身车机中按广播提取的导航设置参数对广播提取的目的地进行导航；该导航设置参数是高速优先、最短路程或最省费用。
如图6所示，本发明具体实施例的车机中用于车队通话程序的软件流程包括：通过成员列表向指定车机发起呼叫，接通后进行通话；若是WIFI连接则通话免费。具体方案可以是二个车机直接连接或经队长车机转，优选直接连接。
如图7所示，本发明具体实施例的车机中用于车队对讲程序的软件流程包括：通过队长车机进行队长优先和时间优先的呼叫控制，队员申请的方式进行对讲，方便整个车队随时保持通讯畅通；若是WIFI连接则全部通话免费。
当然，以上所述仅是本发明的较佳实施例，故凡依本发明专利申请范围所述的构造、特征及流程所做的等效变化或修饰，均包括于本发明专利申请范围为内。
 本发明的实施方式
本发明车辆组网通讯系统及其方法还可实施在带有WIFI模块和3G/4G功能的车载无线通讯和网络设备中，也可实施于船队中的各成员船的船载设备中。
工业实用性
发明车辆组网通讯系统及其方法，较现有技术大大方便了车队的组建与领航，以及掉队监测、分组领航等等，而且使用费用和额外实现成本低，尤其将会被广泛应用在车载导航系统中。
序列表自由内容

Claims (10)

  1. 一种车辆组网通讯方法，其特征在于，利用带 WIFI 模块和 3G 功能的车载导航设备，包括以下步骤：
    （一） 组网
    用户车载导航设备自动 WIFI 搜索 WIFI 信号，识别附近的其他车载导航设备或带队长标识的车载导航设备；
    用户车载导航设备向所述附近的其他车载导航设备中的部分或全部发送邀请，对方同意后：利用各自车载导航设备号或唯一标识创建由自身和选择同意的车载导航设备组成的车辆通讯网络；或者用户车载导航设备向所述带队长标识的车载导航设备中的一个请求加入，对方同意后：加入该队长标识对应的车辆通讯网络；
    （二） 连接动态管理
    除队长外其他成员的车载导航设备探测所述车辆通讯网络的 WIFI 信号：若脱离，则自动或经用户同意选择 3G 网络连接本队的带队长标识的车载导航设备；若重新接收所述车辆通讯网络的 WIFI 信号，则自动切换到 WIFI 连接；
    （三） 对讲
    由带队长标识的车载导航设备根据队长优先和时间先后管理对讲呼叫；
    获得当前对讲权限的车载导航设备接收语音并向其他车载导航设备进行队内广播或者通过带队长标识的车载导航设备转发；
    所有车载导航设备监听队内广播，在作为对讲呼叫主叫时外，接收并播放所述语音。
  2. 根据权利要求 1 所述车辆组网通讯方法，其特征在于，还包括以下步骤：
    （四） 队内通话
    用户车载导航设备通过成员列表向队内其他车载导航设备发送通话请求，对方同意后：利用本队的车辆通讯网络进行双方通话。
  3. 根据权利要求 1 所述车辆组网通讯方法，其特征在于，还包括以下步骤：
    （五） 导航同步
    队长车载导航设备自身或者授权本队内其他车载导航设备启动本队的所有车载导航设备进行导航同步；
    队长车载导航设备或者授权的车载导航设备设置自身导航，再向队内其他车载导航设备发送导航广播，或由队长车载导航设备转发；
    队内其他车载导航设备接收所述导航广播，根据它的用户同意的指令自动按与导航广播内一致的导航目的地和导航参数执行导航。
  4. 根据权利要求3所述车辆组网通讯方法，其特征在于，所述导航参数是高速优先、最短路径或路费最省。
  5. 根据权利要求3所述车辆组网通讯方法，其特征在于，所述导航广播中还包括导航算法，该车辆组网通讯方法还包括所述队内其他车载导航设备从内置的多种导航算法选取一致的导航算法。
  6. 根据权利要求5所述车辆组网通讯方法，其特征在于，所述导航算法是百度算法或高德算法。
  7. 根据权利要求3所述车辆组网通讯方法，其特征在于，所述导航广播中还包括导航地图版本，该车辆组网通讯方法还包括所述队内其他车载导航设备验证自身地图是否与导航广播中的地图版本一致。
  8. 根据权利要求1所述车辆组网通讯方法，其特征在于，所述连接动态管理包括队长车载导航设备检测队内其他成员的车载导航设备的网络连接状态并将它发送给所有队内其他成员的车载导航设备；其他成员的车载导航设备检测自身网络连接状态并进行状态指示。
  9. 根据权利要求1所述车辆组网通讯方法，其特征在于，所述车辆通讯网络包括队编号，本队内的车载导航设备接收含自身设备号或唯一标号的WIFI广播/数据，还接收含本队编号的WIFI广播/数据。
  10. 一种车辆组网通讯系统，其特征在于，包括若干互相组网的带WIFI模块和3G功能的车载导航设备，具体是：
    一个作为WIFI基站的队长车载导航设备，用于进行各成员车载导航设备的在线监测、呼叫控制和按自身导航设置启动导航同步；并通过自身3G模块接入远程成员的车载导航设备；
    其他作为成员的队员车载导航设备，用于进行自身在线监测、连接切换、通话和执行与队长车载导航设备的导航同步；所述连接切换是在能接收到队内WIFI信号的范围内优选WIFI连接，否则选择3G连接。
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