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    • 1. 发明申请
    • OBJECT TRACKING METHOD AND SYSTEM
    • 对象跟踪方法和系统
    • WO2018010171A1
    • 2018-01-18
    • PCT/CN2016/090196
    • 2016-07-15
    • HARMAN INTERNATIONAL INDUSTRIES, INCORPORATEDYANG, ZengZHANG, GuoxiaZHANG, Qingshan
    • YANG, ZengZHANG, GuoxiaZHANG, Qingshan
    • G01S1/00
    • An object tracking method and an object tracking system are provided. The method includes: obtaining a first relative position vector from a first node to a second node at a first time point; obtaining a first position data of the first node and a second position data of the second node at a second time point; identifying a position variation vector from the first node to the second node based on the first position data of the first node and the second position data of the second node; and identifying a second relative position vector from the first node to the second node at the second time point based on the first relative position vector and the position variation vector. The method improves the tracking accuracy.
    • 提供了一种对象跟踪方法和对象跟踪系统。 该方法包括:在第一时间点获得从第一节点到第二节点的第一相对位置矢量; 在第二时间点获得第一节点的第一位置数据和第二节点的第二位置数据; 基于所述第一节点的所述第一位置数据和所述第二节点的所述第二位置数据来识别从所述第一节点到所述第二节点的位置变化矢量; 以及基于第一相对位置矢量和位置变化矢量来识别在第二时间点从第一节点到第二节点的第二相对位置矢量。 该方法提高了跟踪精度。
    • 4. 发明申请
    • CHANNEL ACCESS IN VEHICULAR COMMUNICATION NETWORK
    • 车道通道在通信网络中的应用
    • WO2015074185A1
    • 2015-05-28
    • PCT/CN2013/087466
    • 2013-11-20
    • HARMAN INTERNATIONAL INDUSTRIES, INCORPORATEDZHANG, QingshanYANG, ZengZHANG, Guoxia
    • ZHANG, QingshanYANG, ZengZHANG, Guoxia
    • H04W72/04
    • H04W72/0446H04W72/044H04W72/048H04W74/002
    • A method and a system for accessing a channel in a vehicular communication network are provided, where successive cycles each of which includes N time slots are defined in the channel. The method may include: a first communication device mounted on a first node receiving a channel allocation advertisement message from a second communication device mounted on a second node, where the channel allocation advertisement message includes information of how a communication area is divided into M regions and a mapping between the M regions and the N time slots; the first communication device determining in which region the first node is located based on the position of the first node and the information; the first communication device identifying a time slot based on the determined region and the mapping; and the first communication device competing for the identified time slot.
    • 提供一种用于访问车辆通信网络中的信道的方法和系统,其中在信道中定义每个包括N个时隙的连续周期。 该方法可以包括:安装在第一节点上的第一通信设备,其从安装在第二节点上的第二通信设备接收信道分配通告消息,其中信道分配通告消息包括如何将通信区域划分为M个区域的信息,以及 M区域和N个时隙之间的映射; 所述第一通信设备基于所述第一节点的位置和所述信息确定所述第一节点在哪个区域中; 所述第一通信设备基于所确定的区域和所述映射标识时隙; 并且所述第一通信设备竞争所识别的时隙。
    • 7. 发明申请
    • TIME SLOT SELECTION IN WIRELESS COMMUNICATION
    • 无线通信中的时隙选择
    • WO2015032250A1
    • 2015-03-12
    • PCT/CN2014/083390
    • 2014-07-31
    • HARMAN INTERNATIONAL INDUSTRIES, INCORPORATEDZHANG, GuoxiaZHANG, QingshanYANG, Zeng
    • ZHANG, GuoxiaZHANG, QingshanYANG, Zeng
    • H04W28/08
    • H04W72/0446H04B7/2656H04L1/1671H04L5/0055H04W4/06
    • A method for communicating messages in a channel of a wireless communication network is provided. In the channel, successive cycles, each of which including a predetermined number of successive time slots, are defined. The method may include: a first node obtaining a first list of its neighboring nodes before a first q th time slot; broadcasting a first message in the first q th time slot; receiving acknowledge information from other nodes within the network for one cycle after the first q th time slot; obtaining a second list of its neighboring nodes after the first q th time slot; and determining whether q th time slots are proper for communicating messages by the first node by checking whether all nodes on both the first and the second lists have received the first message based on the received acknowledge information, each piece of which indicates whether a corresponding node has received the first message.
    • 提供了一种用于在无线通信网络的信道中传送消息的方法。 在通道中,定义了包括预定数量的连续时隙的连续循环。 该方法可以包括:第一节点在第一第q个时隙之前获得其相邻节点的第一列表; 在第一个第q个时隙中广播第一个消息; 在第一个第q个时隙之后一个周期从网络中的其他节点接收确认信息; 在第一个第q个时隙之后获得其相邻节点的第二个列表; 以及基于所接收到的确认信息,通过检查所述第一和第二列表中的所有节点是否已经接收到所述第一消息来确定所述第一节点是否适合所述第一时隙对所述第一时隙进行通信,其中每一个时隙指示对应的节点是否具有 收到第一条消息。