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    • 2. 发明授权
    • System and method for synchronizing communicating entities in a decentralized network
    • 用于在分散式网络中同步通信实体的系统和方法
    • US07924807B2
    • 2011-04-12
    • US12328925
    • 2008-12-05
    • Frederic BauchotJean-Yves ClementGerard MarmigèreJoaquin Picon
    • Frederic BauchotJean-Yves ClementGerard MarmigèreJoaquin Picon
    • H04J3/06H04J3/26H04L12/28
    • H04J3/0676H04J3/0682
    • A method for synchronizing communicating entities in a decentralized network. The method begins with a recipient entity receiving data comprising a first timestamp and a first distance. The first timestamp being the time the first data was broadcast; the first distance being a distance from the sender's synchronization time. Next the recipient entity receives data comprising a second timestamp and a second distance. The second timestamp being the time the second data was broadcast; the second distance being a distance from the sender's synchronization time. Based on the first and second timestamps and distances, the recipient entity calculates a new synchronization time. Next, the recipient entity broadcasts to at least one entity in the decentralized network data comprising a third timestamp and a third distance. The third timestamp being the time the third data was broadcast; the third distance being a distance from the recipient entity's synchronization time.
    • 一种在分散式网络中同步通信实体的方法。 该方法开始于接收者实体接收包括第一时间戳和第一距离的数据。 第一个时间戳是广播第一个数据的时间; 第一个距离是与发送者同步时间的距离。 接下来,接收者实体接收包括第二时间戳和第二距离的数据。 第二个时间戳是第二个数据被广播的时间; 第二距离是与发送者的同步时间的距离。 基于第一和第二时间戳和距离,接收者实体计算新的同步时间。 接下来,接收者实体向包括第三时间戳和第三距离的分散网络数据中的至少一个实体广播。 第三个时间戳是广播第三个数据的时间; 第三距离是与接收者实体的同步时间的距离。
    • 3. 发明申请
    • MASTERLESS SLOT ALLOCATION
    • 无主槽分配
    • US20120059936A1
    • 2012-03-08
    • US12877210
    • 2010-09-08
    • Frederic BauchotJean-Yves ClementGerard MarmigereJoaquin Picon
    • Frederic BauchotJean-Yves ClementGerard MarmigereJoaquin Picon
    • G06F15/16G06F15/173
    • H04W56/002H04W48/16H04W56/0015H04W72/0446H04W74/0841H04W84/18
    • A masterless time slot allocation technique that collaboratively synchronizes, at a time slot level, devices communicating in an ad hoc network. Responsive to determining a current time slot allocated to a first device is occurring, the first device transmits a map to the other devices. The map includes an allocation of time slots to the devices, including indicators for whether each time slot is free, busy or overbooked, devices that own the time slots, and how recently information associated with each time slot was updated. After receiving the map, a second device determines a conflict in which the same time slot is allocated to the second device and to another device. The conflict is resolved by allocating another time slot to the second device and the result of resolving the conflict is each slot is allocated to no more than one device.
    • 无时钟分配技术,在时隙级别协同同步在自组织网络中通信的设备。 正在发生响应于确定分配给第一设备的当前时隙,第一设备将地图发送到其他设备。 该地图包括对设备的时隙分配,包括每个时隙是空闲,忙碌还是超量预订的指示符,拥有时隙的设备以及与每个时隙相关联的最近信息如何更新。 在接收到地图之后,第二设备确定将相同时隙分配给第二设备和另一设备的冲突。 通过为第二设备分配另一个时隙来解决冲突,并且解决冲突的结果是每个时隙被分配给不超过一个设备。
    • 5. 发明申请
    • DIVIDING TAGGED ITEMS INTO SUBSETS
    • 将标签的项目分成子项
    • US20090160622A1
    • 2009-06-25
    • US12336594
    • 2008-12-17
    • Frederic BauchotJean-Yves ClementGerard MarmigereJoaquin Picon
    • Frederic BauchotJean-Yves ClementGerard MarmigereJoaquin Picon
    • H04Q5/22
    • G06K7/0008G06K7/10079G06K17/0029G06Q10/08G06Q10/087G06Q50/28H04Q2213/13095H04Q2213/13098
    • A method and system for dividing a set of tagged items into subsets. Each tagged item is tagged with a passive RFID tag. A RFID reader is instructed to poll the RFID tags of all tagged items in a specified region having fixed boundaries to generate information including, for each tagged item, a spatial location of each tagged item and a list of all other tagged items in the region which are adjacent to each tagged item. The region is split into a plurality of subregions. For each subregion, a central tagged item having more adjacent tagged items in each subregion than any other tagged item in each subregion is determined, utilizing the generated information. A virtual boundary is outlined around the central tagged item to enclose the central tagged item and a portion of the tagged items in each subregion which are adjacent to the central tagged item.
    • 一种用于将一组标记的项目划分为子集的方法和系统。 每个标记的项目都标有无源RFID标签。 指示RFID读取器轮询具有固定边界的指定区域中的所有标记物品的RFID标签,以产生包括针对每个带标签的物品的每个标记物品的空间位置的信息,以及该区域中所有其他标记物品的列表, 与每个标记的项目相邻。 该区域被分成多个子区域。 对于每个子区域,利用所生成的信息确定在每个子区域中具有比每个子区域中的任何其他标记项目更多的相邻标记项目的中心标记项目。 围绕中央标记项目围绕中心标记项目围绕虚拟边界,以在每个子区域中附加与中央标记项目相邻的标记项目的一部分。
    • 6. 发明授权
    • Location localization method and system
    • 位置定位方法和系统
    • US08207820B2
    • 2012-06-26
    • US12180664
    • 2008-07-28
    • Frederic BauchotJean-Yves ClementGerard MarmigereJoaquin Picon
    • Frederic BauchotJean-Yves ClementGerard MarmigereJoaquin Picon
    • G08B5/22G08B19/00G06G7/78G06F7/00G06F19/00
    • G08C21/00H04Q9/00H04Q2209/47H04Q2209/75
    • A location localization method and system. The method includes transmitting by an RFID tag reader, a request for locating a passive RFID tag in a facility. The RFID tag reader receives from a first group of active RFID tags, a first date/time associated with first data. The RFID tag reader transmits to the first group of active RFID tags, a request for retrieving the first data. The first data comprises distances between each active RFID tag of the first group and the passive RFID tag. The RFID tag reader receives the first data. The RFID tag reader receives a map of the facility and locations on the map for the first group of active RFID tags. The RFID tag reader determines a location within the facility for the passive RFID tag based on the first data, the map, and the locations on the map. The RFID tag reader transmits the first location to a user.
    • 位置定位方法和系统。 该方法包括通过RFID标签读取器发送在设备中定位无源RFID标签的请求。 RFID标签读取器从第一组有源RFID标签接收与第一数据相关联的第一日期/时间。 RFID标签读取器向第一组有源RFID标签传送检索第一数据的请求。 第一数据包括第一组的每个有源RFID标签与无源RFID标签之间的距离。 RFID标签读取器接收第一数据。 RFID标签读取器接收用于第一组有源RFID标签的设施的地图和地图上的位置。 RFID标签读取器基于第一数据,地图和地图上的位置来确定无线RFID标签在设施内的位置。 RFID标签读取器将第一位置发送给用户。
    • 9. 发明授权
    • Location localization
    • 位置定位
    • US08362877B2
    • 2013-01-29
    • US13418739
    • 2012-03-13
    • Frederic BauchotJean-Yves ClementGerard MarmigereJoaquin Picon
    • Frederic BauchotJean-Yves ClementGerard MarmigereJoaquin Picon
    • G08B5/22G08B19/00G06G7/78G06F7/00G06F19/00
    • G08C21/00H04Q9/00H04Q2209/47H04Q2209/75
    • A location localization method and system. The method includes transmitting by an RFID tag reader, a request for locating a passive RFID tag in a facility. The RFID tag reader receives from active RFID tags, a first date/time associated with first data. The RFID tag reader transmits to the active RFID tags, a request for retrieving the first data. The first data comprises distances between each active RFID tag and the passive RFID tag. The RFID tag reader receives the first data. The RFID tag reader receives a map of the facility and locations on the map for the active RFID tags. The RFID tag reader determines a location within the facility for the passive RFID tag based on the first data, the map, and the locations on the map. The RFID tag reader transmits the first location to a user.
    • 位置定位方法和系统。 该方法包括通过RFID标签读取器发送在设备中定位无源RFID标签的请求。 RFID标签读取器从有源RFID标签接收与第一数据相关联的第一日期/时间。 RFID标签读取器向有源RFID标签传送检索第一数据的请求。 第一数据包括每个有源RFID标签与无源RFID标签之间的距离。 RFID标签读取器接收第一数据。 RFID标签读取器接收用于有源RFID标签的设施的地图和地图上的位置。 RFID标签读取器基于第一数据,地图和地图上的位置来确定无线RFID标签在设施内的位置。 RFID标签读取器将第一位置发送给用户。