公开(公告)号：US08274910B2

公开(公告)日：2012-09-25

申请号：US12631235

申请日：2009-12-04

申请人： Wai Chen ,  Taek-Jin Kwon ,  Ryokichi Onishi ,  Rama Vuyyuru

发明人： Wai Chen ,  Taek-Jin Kwon ,  Ryokichi Onishi ,  Rama Vuyyuru

IPC分类号： H04L12/26

CPC分类号： H04L43/10 ,  H04L43/0864 ,  H04L45/26 ,  H04L45/54 ,  H04W40/32

摘要： A method and system for determining a size of a local peer group (LPG) network in a dynamic roadway (mobile) environment is provided. In one embodiment, the method comprises measuring a roundtrip time between a first node and a second node, and utilizing the measured roundtrip time to select the size of the local peer group network from a lookup table. In another embodiment, the method comprises determining when the roundtrip time exceeds a time interval of the heartbeat signal, and when the roundtrip time exceeds the time interval of the heartbeat signal adjusting the size of the local peer group network.

摘要翻译： 提供了一种用于在动态道路（移动）环境中确定本地对等群组（LPG）网络的大小的方法和系统。 在一个实施例中，该方法包括测量第一节点和第二节点之间的往返时间，并利用测量的往返时间从查找表中选择本地对等群组网络的大小。 在另一个实施例中，该方法包括确定往返时间何时超过心跳信号的时间间隔，以及当往返时间超过调整本地对等群组网络的大小的心跳信号的时间间隔时。

公开(公告)号：US20110010446A1

公开(公告)日：2011-01-13

申请号：US12500696

申请日：2009-07-10

申请人： Wai Chen ,  Taek-Jin Kwon ,  Ryokichi Onishi ,  Rama Vuyyuru

发明人： Wai Chen ,  Taek-Jin Kwon ,  Ryokichi Onishi ,  Rama Vuyyuru

IPC分类号： G06F15/16

CPC分类号： H04W40/24 ,  G08G1/161 ,  H04L45/026 ,  H04L45/20

摘要： 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.

摘要翻译： 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。

公开(公告)号：US20100232404A1

公开(公告)日：2010-09-16

申请号：US12403571

申请日：2009-03-13

申请人： Wai Chen ,  Jasmine Chennikara-Varghese ,  Rama Vuyyuru ,  Ryokichi Onishi

发明人： Wai Chen ,  Jasmine Chennikara-Varghese ,  Rama Vuyyuru ,  Ryokichi Onishi

IPC分类号： H04J3/16 ,  H04L12/28 ,  H04W84/12

CPC分类号： G08G1/094 ,  G08G1/091 ,  G08G1/22 ,  H04L47/36 ,  H04W4/046 ,  H04W28/065

摘要： A method for transmitting data in vehicular network comprising determining a communication window between at least two nodes, grouping a plurality of fragments of content together into an aggregate fragment block, forwarding the aggregate fragment block to a target node and assembling the plurality of fragments into the content. The content is divided into the plurality of fragments. A fragment signature is generated for the fragments that contain fragment index information regarding each fragment. Each fragment is unambiguously identified by its signature. A number of fragments grouped into the aggregate fragment block is dependent on the communication window.

摘要翻译： 一种用于在车辆网络中发送数据的方法，包括确定至少两个节点之间的通信窗口，将多个内容片段组合成一个聚合片段块，将聚合片段块转发到目标节点，并将多个片段组装成 内容。 内容分为多个片段。 为包含关于每个片段的片段索引信息的片段生成片段签名。 每个片段通过其签名明确地标识。 分组到聚合片段块中的多个片段取决于通信窗口。

公开(公告)号：US09245446B2

公开(公告)日：2016-01-26

申请号：US13167135

申请日：2011-06-23

申请人： Wai Chen ,  Ratul Guha ,  John Lee ,  Junichiro Fukuyama ,  Rama Vuyyuru

发明人： Wai Chen ,  Ratul Guha ,  John Lee ,  Junichiro Fukuyama ,  Rama Vuyyuru

IPC分类号： G06G1/16 ,  H04L12/18 ,  H04L12/26 ,  H04L12/753 ,  H04L12/741 ,  H04L29/08 ,  H04B7/155 ,  H04H20/57 ,  H04W40/20 ,  H04W40/24 ,  H04W48/10 ,  H04W92/18 ,  H04W88/04 ,  H04W84/18 ,  G08G1/16

CPC分类号： G08G1/163 ,  H04B7/15521 ,  H04L12/185 ,  H04L12/1854 ,  H04L12/189 ,  H04L45/48 ,  H04L45/54 ,  H04L67/12 ,  H04W40/246 ,  H04W84/18 ,  H04W88/04 ,  H04W92/18

摘要： A multiple hop communications method among a plurality of moving vehicles. Each moving vehicles has a plurality of unidirectional radio. The method comprises receiving an incoming packet at one of the plurality of unidirectional radios, determining if there is an active link between each of the plurality of unidirectional radios and an unidirectional radio of a neighbor vehicle, relaying the incoming packet to the plurality of unidirectional radios having an active link and transmitting the incoming packet as an outgoing packet from at least one of the plurality of unidirectional radios. If more than one packet is received, the packets can be encoded using group coding before send the packets out as an outgoing packet.

摘要翻译： 多个移动车辆之间的多跳通信方法。 每个移动车辆具有多个单向无线电。 该方法包括：在多个单向无线电之一处接收输入分组，确定多个单向无线电单元中的每一个与相邻车辆的单向无线电之间是否存在活动链路，将输入分组中继到多个单向无线电 具有活动链路，并且从多个单向无线电中的至少一个发送作为输出分组的输入分组。 如果接收到多于一个数据包，则可以在将数据包作为输出数据包发送之前，使用组编码对数据包进行编码。

公开(公告)号：US08665789B2

公开(公告)日：2014-03-04

申请号：US13085967

申请日：2011-04-13

申请人： Wai Chen ,  John Lee ,  Ratul Guha ,  Yibei Ling ,  Taek-Jin Kwon ,  Rama Vuyyuru ,  Junichiro Fukuyama

发明人： Wai Chen ,  John Lee ,  Ratul Guha ,  Yibei Ling ,  Taek-Jin Kwon ,  Rama Vuyyuru ,  Junichiro Fukuyama

IPC分类号： H04J3/08

CPC分类号： H04L61/10 ,  H04L45/16 ,  H04L45/306 ,  H04L45/741 ,  H04W40/20

摘要： Network architecture configured for open communication between a plurality of sub-networks. Each of the plurality of sub-networks has a different routable network addressing scheme. The architecture includes at least one broker node adapted to communicate using at least two different routable network addressing schemes. The broker node comprises an identification management module configured to collect peer-application addresses for nodes currently accessing a specific application, the peer-application addresses being associated with a specific application, an address resolution module configured to map each of the peer-application addresses to a sub-network specific routable network address and a network coordination module configured to monitor and coordinate sub-network communication capabilities between the broker node and at least one other broker node and elect a primary broker node for each sub-network which the broker node and at least one other broker node is capable of communication.

摘要翻译： 配置为在多个子网之间开放通信的网络架构。 多个子网络中的每一个具有不同的可路由网络寻址方案。 该架构包括适于使用至少两个不同的可路由网络寻址方案进行通信的至少一个代理节点。 代理节点包括识别管理模块，其被配置为收集当前正在访问特定应用的节点的对等应用地址，所述对等应用地址与特定应用相关联，地址解析模块被配置为将每个所述对等应用地址映射到 子网特定可路由网络地址和网络协调模块，被配置为监视和协调代理节点和至少一个其他代理节点之间的子网络通信能力，并为每个子网选择代理节点和 至少一个其他代理节点能够进行通信。

公开(公告)号：US08792492B2

公开(公告)日：2014-07-29

申请号：US13275057

申请日：2011-10-17

申请人： Wai Chen ,  Ratul Guha ,  John Lee ,  Junichiro Fukuyama ,  Rama Vuyyuru

发明人： Wai Chen ,  Ratul Guha ,  John Lee ,  Junichiro Fukuyama ,  Rama Vuyyuru

IPC分类号： H04L12/28

CPC分类号： H04W40/06 ,  H04L45/02 ,  H04L45/741 ,  H04L45/745 ,  H04L49/355 ,  H04L67/12 ,  H04L67/327 ,  H04L69/22 ,  H04W4/025 ,  H04W4/06 ,  H04W4/90 ,  H04W88/04

摘要： An open communication method between at least two sub-networks using a broker node. Each of the sub-networks has a different routable network addressing scheme. The method comprises receiving a packet for a specific application, the packet includes an application identifier, determining if the packet is to be relayed to another of the at least two sub-networks based upon the application identifier, determining if a node receiving the packet is a broker node, relaying the packet to a broker node if not a broker node and forwarding, by the broker node, the packet to at least one node in another of the at least two sub-networks. The node generating the packet communicates using a first of the at least two sub-networks. A broker node communicates using at least two of the at least two sub-networks via a corresponding routable network addressing schemes for each of the sub-networks.

摘要翻译： 使用代理节点的至少两个子网络之间的开放通信方法。 每个子网络具有不同的可路由网络寻址方案。 该方法包括接收用于特定应用的分组，分组包括应用标识符，基于应用标识确定分组是否要被中继到至少两个子网络中的另一个，确定接收分组的节点是否是 代理节点，如果不是代理节点，则将所述分组中继到代理节点，并且所述代理节点将所述分组转发到所述至少两个子网络中的另一个中的至少一个节点。 生成分组的节点使用所述至少两个子网中的第一个进行通信。 代理节点通过用于每个子网络的相应的可路由网络寻址方案，使用至少两个子网络中的至少两个进行通信。

公开(公告)号：US20130094509A1

公开(公告)日：2013-04-18

申请号：US13275057

申请日：2011-10-17

申请人： Wai Chen ,  Ratul Guha ,  John Lee ,  Junichiro Fukuyama ,  Rama Vuyyuru

发明人： Wai Chen ,  Ratul Guha ,  John Lee ,  Junichiro Fukuyama ,  Rama Vuyyuru

IPC分类号： H04L12/56

CPC分类号： H04W40/06 ,  H04L45/02 ,  H04L45/741 ,  H04L45/745 ,  H04L49/355 ,  H04L67/12 ,  H04L67/327 ,  H04L69/22 ,  H04W4/025 ,  H04W4/06 ,  H04W4/90 ,  H04W88/04

摘要： An open communication method between at least two sub-networks using a broker node. Each of the sub-networks has a different routable network addressing scheme. The method comprises receiving a packet for a specific application, the packet includes an application identifier, determining if the packet is to be relayed to another of the at least two sub-networks based upon the application identifier, determining if a node receiving the packet is a broker node, relaying the packet to a broker node if not a broker node and forwarding, by the broker node, the packet to at least one node in another of the at least two sub-networks. The node generating the packet communicates using a first of the at least two sub-networks. A broker node communicates using at least two of the at least two sub-networks via a corresponding routable network addressing schemes for each of the sub-networks.

摘要翻译： 使用代理节点的至少两个子网络之间的开放通信方法。 每个子网络具有不同的可路由网络寻址方案。 该方法包括接收用于特定应用的分组，分组包括应用标识符，基于应用标识确定分组是否要被中继到至少两个子网络中的另一个，确定接收分组的节点是否是 代理节点，如果不是代理节点，则将所述分组中继到代理节点，并且所述代理节点将所述分组转发到所述至少两个子网络中的另一个中的至少一个节点。 生成分组的节点使用所述至少两个子网中的第一个进行通信。 代理节点通过用于每个子网络的相应的可路由网络寻址方案，使用至少两个子网络中的至少两个进行通信。

公开(公告)号：US08894413B2

公开(公告)日：2014-11-25

申请号：US12887824

申请日：2010-09-22

申请人： Marcus Pang ,  Wai Chen ,  Jasmine Chennikara-Varghese ,  Ratul Guha ,  John Lee ,  Rama Vuyyuru ,  Junichiro Fukuyama

发明人： Marcus Pang ,  Wai Chen ,  Jasmine Chennikara-Varghese ,  Ratul Guha ,  John Lee ,  Rama Vuyyuru ,  Junichiro Fukuyama

IPC分类号： G09B9/02

CPC分类号： G09B9/02

摘要： A method, simulator and program for simulating vehicular movement based upon user input parameters related to simulation topology and simulation vehicles including, but not limited to linear vehicular density. The simulator generates the simulation topology having a simulation area using the user input parameters, places a plurality of simulation vehicles within the simulation area at an initial placement using at least two input parameters related to simulation vehicle and the generated simulation topology; and determines movement of the plurality of simulation vehicles starting with the initial placement using a plurality of movement models. Each of the plurality of simulation vehicles has mobility characteristics generated using the plurality of movement models. When vehicle moves outside the simulation area, the vehicle re-emerges at a location within the simulation area. The vehicle re-emerges with new movement characteristics.

摘要翻译： 一种用于模拟车辆运动的方法，模拟器和程序，其基于与仿真拓扑和模拟车辆相关的用户输入参数，包括但不限于线性车辆密度。 模拟器使用用户输入参数生成具有模拟区域的模拟拓扑，使用与模拟车辆和所生成的仿真拓扑有关的至少两个输入参数，将模拟区域内的多个模拟车辆放置在初始位置; 并且使用多个运动模型来确定从初始放置开始的多个模拟车辆的运动。 多个模拟车辆中的每一个具有使用多个运动模型产生的移动特性。 当车辆移动到模拟区域外时，车辆重新出现在模拟区域内的一个位置。 车辆重新出现了新的运动特征。

公开(公告)号：US20120263102A1

公开(公告)日：2012-10-18

申请号：US13085967

申请日：2011-04-13

申请人： Wai Chen ,  John Lee ,  Ratul Guha ,  Yibei Ling ,  Taek-Jin Kwon ,  Rama Vuyyuru ,  Junichiro Fukuyama

发明人： Wai Chen ,  John Lee ,  Ratul Guha ,  Yibei Ling ,  Taek-Jin Kwon ,  Rama Vuyyuru ,  Junichiro Fukuyama

IPC分类号： H04W40/00

CPC分类号： H04L61/10 ,  H04L45/16 ,  H04L45/306 ,  H04L45/741 ,  H04W40/20

摘要： Network architecture configured for open communication between a plurality of sub-networks. Each of the plurality of sub-networks has a different routable network addressing scheme. The architecture includes at least one broker node adapted to communicate using at least two different routable network addressing schemes. The broker node comprises an identification management module configured to collect peer-application addresses for nodes currently accessing a specific application, the peer-application addresses being associated with a specific application, an address resolution module configured to map each of the peer-application addresses to a sub-network specific routable network address and a network coordination module configured to monitor and coordinate sub-network communication capabilities between the broker node and at least one other broker node and elect a primary broker node for each sub-network which the broker node and at least one other broker node is capable of communication.

摘要翻译： 配置为在多个子网之间开放通信的网络架构。 多个子网络中的每一个具有不同的可路由网络寻址方案。 该架构包括适于使用至少两个不同的可路由网络寻址方案进行通信的至少一个代理节点。 代理节点包括识别管理模块，其被配置为收集当前正在访问特定应用的节点的对等应用地址，所述对等应用地址与特定应用相关联，地址解析模块被配置为将每个所述对等应用地址映射到 子网特定可路由网络地址和网络协调模块，被配置为监视和协调代理节点与至少一个其他代理节点之间的子网络通信能力，并为每个子网选择代理节点和 至少一个其他代理节点能够进行通信。

公开(公告)号：US20120327840A1

公开(公告)日：2012-12-27

申请号：US13167135

申请日：2011-06-23

申请人： Wai Chen ,  Ratul Guha ,  John Lee ,  Junichiro Fukuyama ,  Rama Vuyyuru

发明人： Wai Chen ,  Ratul Guha ,  John Lee ,  Junichiro Fukuyama ,  Rama Vuyyuru

IPC分类号： H04B7/14

CPC分类号： G08G1/163 ,  H04B7/15521 ,  H04L12/185 ,  H04L12/1854 ,  H04L12/189 ,  H04L45/48 ,  H04L45/54 ,  H04L67/12 ,  H04W40/246 ,  H04W84/18 ,  H04W88/04 ,  H04W92/18

摘要： A multiple hop communications method among a plurality of moving vehicles. Each moving vehicles has a plurality of unidirectional radio. The method comprises receiving an incoming packet at one of the plurality of unidirectional radios, determining if there is an active link between each of the plurality of unidirectional radios and an unidirectional radio of a neighbor vehicle, relaying the incoming packet to the plurality of unidirectional radios having an active link and transmitting the incoming packet as an outgoing packet from at least one of the plurality of unidirectional radios. If more than one packet is received, the packets can be encoded using group coding before send the packets out as an outgoing packet.

摘要翻译： 多个移动车辆之间的多跳通信方法。 每个移动车辆具有多个单向无线电。 该方法包括：在多个单向无线电之一处接收输入分组，确定多个单向无线电单元中的每一个与相邻车辆的单向无线电之间是否存在活动链路，将输入分组中继到多个单向无线电 具有活动链路，并且从多个单向无线电中的至少一个发送作为输出分组的输入分组。 如果接收到多于一个数据包，则可以在将数据包作为输出数据包发送之前，使用组编码对数据包进行编码。