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    • 3. 发明授权
    • Program and method for adaptive mobile ad-hoc wireless communication
    • 自适应移动自组织无线通信的程序和方法
    • US08106792B2
    • 2012-01-31
    • US12500685
    • 2009-07-10
    • Wai ChenJasmine Chennikara-VargheseTaek-Jin KwonRyokichi OnishiRama Vuyyuru
    • Wai ChenJasmine Chennikara-VargheseTaek-Jin KwonRyokichi OnishiRama Vuyyuru
    • G08G1/09
    • G08G1/161
    • A method of controlling a wireless communication device that is installed in a moving vehicle. The method comprises receiving roadway topology information and vehicle traffic pattern information, receiving vehicle and wireless communication device performance information from a plurality of other moving vehicles, determining current position information for the moving vehicle; determining a first set of metrics for a performance of the wireless communication device installed in the moving vehicle, estimating at least one second metric related to the performance of the wireless communication device or an ad-hoc network which includes each wireless communication device and changing an operation or routing parameter for the wireless communication device based upon the estimation. The second metric is based upon at least a sub-set of the first set of metrics, the received information and the determined current position information for the moving vehicle.
    • 一种控制安装在移动车辆中的无线通信装置的方法。 该方法包括接收道路拓扑信息和车辆交通模式信息,从多个其他移动车辆接收车辆和无线通信设备性能信息,确定移动车辆的当前位置信息; 确定用于安装在所述移动车辆中的所述无线通信设备的性能的第一组度量,估计与所述无线通信设备的性能相关的至少一个第二度量,或包括每个无线通信设备的自组织网络,以及改变 基于估计的无线通信设备的操作或路由参数。 第二度量基于至少第一组度量的子集,所接收的信息和用于移动车辆的所确定的当前位置信息。
    • 4. 发明申请
    • Program and Method for Adaptive Mobile Ad-Hoc Wireless Communication
    • 自适应移动无线通信的程序和方法
    • US20110006913A1
    • 2011-01-13
    • US12500685
    • 2009-07-10
    • Wai ChenJasmine Chennikara-VargheseTaek-Jin KwonRyokichi OnishiRama Vuyyuru
    • Wai ChenJasmine Chennikara-VargheseTaek-Jin KwonRyokichi OnishiRama Vuyyuru
    • G08G1/00
    • G08G1/161
    • A method of controlling a wireless communication device that is installed in a moving vehicle. The method comprises receiving roadway topology information and vehicle traffic pattern information, receiving vehicle and wireless communication device performance information from a plurality of other moving vehicles, determining current position information for the moving vehicle; determining a first set of metrics for a performance of the wireless communication device installed in the moving vehicle, estimating at least one second metric related to the performance of the wireless communication device or an ad-hoc network which includes each wireless communication device and changing an operation or routing parameter for the wireless communication device based upon the estimation. The second metric is based upon at least a sub-set of the first set of metrics, the received information and the determined current position information for the moving vehicle.
    • 一种控制安装在移动车辆中的无线通信装置的方法。 该方法包括接收道路拓扑信息和车辆交通模式信息,从多个其他移动车辆接收车辆和无线通信设备性能信息,确定移动车辆的当前位置信息; 确定用于安装在所述移动车辆中的所述无线通信设备的性能的第一组度量,估计与所述无线通信设备的性能相关的至少一个第二度量,或包括每个无线通信设备的ad-hoc网络,以及改变 基于估计的无线通信设备的操作或路由参数。 第二度量基于至少第一组度量的子集,所接收的信息和用于移动车辆的所确定的当前位置信息。
    • 9. 发明授权
    • Program and method for adaptively maintaining a local peer group in a dynamic environment
    • 在动态环境中自适应地维护本地对等体组的程序和方法
    • US08762518B2
    • 2014-06-24
    • US12500696
    • 2009-07-10
    • Wai ChenTaek-Jin KwonRyokichi OnishiRama Vuyyuru
    • Wai ChenTaek-Jin KwonRyokichi OnishiRama Vuyyuru
    • G06F15/16G06F15/173
    • H04W40/24G08G1/161H04L45/026H04L45/20
    • A method for maintaining a local peer group (LPG) for supporting communications among vehicles. The LPG is formed from a plurality of vehicles. Each vehicle is equipped with a wireless communications device. One of the vehicles is selected as a group header node (GH). The method comprises receiving periodically a heartbeat packet from the GH, the heartbeat packet including a maximum hop count, and a heartbeat cycle, forwarding the heartbeat packet until the maximum hop count is reached after waiting for a first random relay delay, which is less than a maximum allowable adjustable value, replying to the heartbeat packet with a membership report packet, forwarding a membership report packet towards the GH, and adding a vehicle that submitted the membership report packet to a LPG membership as a member node of the LPG if the membership report packet is new or updating information for a member node.
    • 一种用于维护用于支持车辆之间的通信的本地对等组(LPG)的方法。 LPG由多个车辆形成。 每辆车配备有无线通信设备。 选择其中一种车辆作为组头节点(GH)。 该方法包括周期性地从GH接收心跳分组,心跳分组包括最大跳数和心跳周期,转发心跳分组直到等待第一随机中继延迟之后达到最大跳数,小于等于 最大允许可调整值,回复具有成员报告包的心跳分组,向GH转发成员报告分组,以及如果成员资格,将提交成员报告分组的车辆添加到LPG成员身份作为LPG的成员节点 报告数据包是新的或更新成员节点的信息。
    • 10. 发明授权
    • Systems and methods for multi-beam optic-wireless vehicle communications
    • 多光束无线车辆通信的系统和方法
    • US08570994B2
    • 2013-10-29
    • US13276375
    • 2011-10-19
    • Wai ChenJohn LeeRatul K. GuhaRyokichi OnishiRama Vuyyuru
    • Wai ChenJohn LeeRatul K. GuhaRyokichi OnishiRama Vuyyuru
    • H04W4/00
    • H04L45/48H04W4/06H04W4/90H04W40/06H04W76/50H04W84/18
    • The present invention offers systems and methods for effective multiple-hop routing, multicasting and media access control for vehicle group communications that employ directional wireless radio technology. Multi-beam optic-wireless media and streamlined operations provide low-overhead communications among vehicles. Systems and methods are provided to maintain a quasi-stationary group of neighboring vehicles, enable high-throughput on-demand switching among multiple vehicles, enable group coding in the vehicle group to achieve higher throughput, and enable dynamic adjustment of link to maintain desirable vehicle group. The proposed solution builds upon the conception of a MAC-free wireless operation and quasi-stationary vehicular switched network to achieve ultra-low-overhead and high-throughput vehicle communications.
    • 本发明提供了采用定向无线电技术的用于车载组通信的有效多跳路由,组播和媒体访问控制的系统和方法。 多光束无线介质和简化的操作在车辆之间提供低开销的通信。 提供系统和方法以维持相邻车辆的准静止组,使得能够在多个车辆之间实现高吞吐量按需切换,使得车辆组中的组编码能够实现更高的吞吐量,并且能够动态调整链路以维持所需的车辆 组。 所提出的解决方案建立在无MAC无线操作和准静态车载交换网络的概念基础上,以实现超低开销和高吞吐量车辆通信。