Collaborative Sensor Network
    1.
    发明申请

    公开(公告)号:US20190327306A1

    公开(公告)日:2019-10-24

    申请号:US16430053

    申请日:2019-06-03

    摘要: A system comprises a first peer sensor tag configured to sense first sensor data using a first local sensor of the first peer sensor tag and a second peer sensor tag configured to sense second sensor data using a second local sensor of the second peer sensor tag while the second peer sensor tag is not within a communication range of the first peer sensor tag. The second peer sensor tag is configured to detect a first beacon signal of the first peer sensor tag, the first beacon signal including at least a portion of the first sensor data, the first beacon signal being transmitted according to a first network communication protocol. The second peer sensor tag is configured to obtain the at least a portion of the first sensor data from the first beacon signal. A base station is configured to detect a second beacon signal of the second peer sensor tag, the first beacon signal including the at least a portion of the first sensor data and at least a portion of the second sensor data. The base station is configured to obtain the at least a portion of the first sensor data and the at least a portion of the second sensor data from the second beacon signal, and to provide the at least a portion of the first sensor data and the at least a portion of the second sensor data to a server system using a second network communication protocol different from the first network communication protocol.

    System and method for communication between RFID interrogators

    公开(公告)号:US09727760B2

    公开(公告)日:2017-08-08

    申请号:US13335722

    申请日:2011-12-22

    IPC分类号: G06K7/10

    CPC分类号: G06K7/10039 G06K7/10356

    摘要: One embodiment of the present invention sets forth a technique for efficiently interconnecting RFID interrogator elements. Each interrogator element is configured to function as both an RFID interrogator and an RFID tag. The RFID interrogator function enables one interrogator element to perform a read or write data operation to a second interrogator element functioning as an RFID tag. Two-way communications between interrogator elements is facilitated by read and write operations. A data backhaul network may be advantageously implemented as a wireless mesh network, comprising a plurality of interrogator elements, to transmit data from each interrogator element to a server for processing.

    Method for distributing program code to intelligent nodes in a wireless
mesh data communication network
    3.
    发明授权
    Method for distributing program code to intelligent nodes in a wireless mesh data communication network 失效
    将程序代码分发到无线网状数据通信网络中的智能节点的方法

    公开(公告)号:US5903566A

    公开(公告)日:1999-05-11

    申请号:US265185

    申请日:1994-06-24

    IPC分类号: G06F9/445 H04L29/08 H04J3/24

    CPC分类号: H04L67/06 G06F8/61 H04L69/329

    摘要: A large data file is distributed to a number of nodes in a data communication network by a process of distributed downloading. Destination nodes are informed of the location in the network of the large data file and are directed to receive the large data file by requesting that blocks of data containing the file be transmitted to them from the designated source node. The destination nodes control the file transfer. The large data file may contain program code for updating network software.

    摘要翻译: 通过分布式下载的过程将大型数据文件分发到数据通信网络中的多个节点。 目的地节点被通知大数据文件的网络中的位置,并通过请求从指定的源节点向其发送包含该文件的数据块来指示接收大数据文件。 目标节点控制文件传输。 大数据文件可能包含用于更新网络软件的程序代码。

    System and method for multi-channel frequency hopping spread spectrum communication
    4.
    发明授权
    System and method for multi-channel frequency hopping spread spectrum communication 有权
    多通道跳频扩频通信系统与方法

    公开(公告)号:US09584179B2

    公开(公告)日:2017-02-28

    申请号:US13403848

    申请日:2012-02-23

    摘要: One embodiment of the present invention sets forth a technique for transmitting data in a frequency hopping spread spectrum (FHSS) wireless communication system. A multi-channel receiver is configured to receive data from one or more channels simultaneously. The multi-channel receiver enables efficient implementation of a transmission protocol in which multiple candidate nodes within a wireless mesh network are polled for availability to receive a packet of data. The packet of data is transmitted to one or more available nodes based on prevailing link conditions, thereby increasing the likelihood of successful delivery. Data flooding may be selectively implemented to further increase the likelihood of successful delivery.

    摘要翻译: 本发明的一个实施例提出了一种在跳频扩频(FHSS)无线通信系统中发送数据的技术。 多通道接收器被配置为同时从一个或多个通道接收数据。 多信道接收机能够有效地实现传输协议,其中轮询无线网状网络内的多个候选节点以获得可用性来接收数据分组。 基于主要的链路条件将数据包发送到一个或多个可用节点,从而增加成功传送的可能性。 可以选择性地实施数据洪泛以进一步增加成功传送的可能性。

    Transceiver sharing between access and backhaul in a wireless digital
communication system
    5.
    发明授权
    Transceiver sharing between access and backhaul in a wireless digital communication system 失效
    在无线数字通信系统中的接入和回程之间的收发器共享

    公开(公告)号:US5479400A

    公开(公告)日:1995-12-26

    申请号:US254205

    申请日:1994-06-06

    IPC分类号: H04L12/56 H04B7/212

    CPC分类号: H04W88/04 H04B1/713 H04W36/00

    摘要: A microcellular digital packet communication system is provided for digital communication having a plurality of repeating packet-mode fixed-site transceivers each being at a plurality of different sites and each being capable of communicating on mutually-common frequencies, including for example by means of frequency-hopping spread spectrum, wherein a terminal transceiver directly communicates substantially simultaneously with at least a few of the fixed-site transceivers on the mutually-common frequencies and distributes information packets of a single originating message among the fixed-site transceivers, the fixed-site transceivers forwarding the information packets via multiple communication links to a single destination terminal on the mutually-common frequencies at which the message is reassembled. The system enables reliable handoffs and robust connectivity by maintaining multiple simultaneous communication links between terminal transceivers and repeating transceivers.

    摘要翻译: 提供了一种用于数字通信的微蜂窝数字分组通信系统,其具有多个重复分组模式固定站点收发机,每个重复分组模式固定站点收发机各处于多个不同的站点,并且每个能够在相互共同的频率上通信,包括例如通过频率 其中终端收发机直接在相互共同的频率上与至少几个固定站点收发器基本上同时进行通信,并且在固定站点收发器之间分配单个始发消息的信息分组,固定站点 收发器经由多个通信链路将信息分组转发到重新组装消息的相互共同的频率上的单个目的地终端。 该系统通过维护终端收发器和重复收发器之间的多个同时通信链路,实现可靠的切换和强大的连接。

    Parasitic adoption of coordinate-based addressing by roaming node
    6.
    发明授权
    Parasitic adoption of coordinate-based addressing by roaming node 失效
    通过漫游节点寄生采用基于坐标的寻址

    公开(公告)号:US5400338A

    公开(公告)日:1995-03-21

    申请号:US193337

    申请日:1994-02-08

    IPC分类号: H04L12/56 H04Q7/00

    摘要: In a packet communication system wherein stationary nodes are assigned an absolute coordinate-based address, the addressing of roaming nodes is accomplished by parasitically adopting a coordinate routing scheme used for addressing stationary nodes. Each roaming node selects a parent stationary node with which the roaming node can communicate directly. During the course of network operation, the roaming node may select a new parent node. At the time of reassignment, the coordinates of the new parent node, along with the identity of the roaming node, is recorded at the former parent node. Forwarding of packets to stationary nodes is accomplished according to a known coordinate-based routing scheme. A packet addressed to a destination roaming node is forwarded and directed through the then current stationary parent node. The packet is then forwarded to the destination roaming node.

    摘要翻译: 在其中固定节点被分配绝对坐标的地址的分组通信系统中,漫游节点的寻址通过寄生地采用用于寻址固定节点的坐标路由方案来实现。 每个漫游节点选择漫游节点可以直接通信的父固定节点。 在网络运行过程中,漫游节点可以选择一个新的父节点。 在重新分配时,新的父节点的坐标以及漫游节点的身份被记录在前一个父节点处。 根据已知的基于坐标的路由方案,将数据包转发到固定节点。 寻址到目的地漫游节点的分组被转发并引导通过当前固定的父节点。 然后将数据包转发到目标漫游节点。

    Method and apparatus for contention management in a radio-based packet network

    公开(公告)号:US06999441B2

    公开(公告)日:2006-02-14

    申请号:US09894843

    申请日:2001-06-27

    IPC分类号: H04J3/00

    CPC分类号: H04W74/06 H04W28/08 H04W72/12

    摘要: In a mesh communication network, a poll request protocol (PRP) is provided in which a special packet is broadcast by the congested node when it is ready to provide services. The controlling node (usually the more congested node) broadcasts a packet to request poll signals from nodes desiring resources of the controlling node. The contending nodes then have equal chances to request the services of the controlling node by sending poll signals. The controlling node can then arbitrate the requests, determine the most fair and efficient use of its resources, and broadcast a scheduling packet to inform the contending nodes when to inform the contending nodes of controlling node scheduling. The contending nodes then send their packets to the controlling node without lost packets caused by congestion collisions. The controlling node can then send data to the contending nodes also without lost packets.

    Method and apparatus for connection handoff between connected radios
    8.
    发明授权
    Method and apparatus for connection handoff between connected radios 有权
    连接无线电之间连接切换的方法和装置

    公开(公告)号:US06298053B1

    公开(公告)日:2001-10-02

    申请号:US09483304

    申请日:2000-01-14

    IPC分类号: H04J324

    CPC分类号: H04W74/06

    摘要: In a radio based wireless mesh packet network wherein packet traffic is scheduled between a high capacity communications link and a plurality of nodes interconnected by wireless links, an access unit is provided at a first node having a plurality of radios coupled to the high capacity link and wherein each of the plurality of radios is capable of detecting a polling of the access unit by other nodes. A poll is sent from a second node to the access unit at the first node on a first channel. Reports of receipt of the poll are shared among the plurality of radios. An acknowledgment is sent on behalf of the access unit from only one of the plurality of radios to the polling node, and further communication is conducted between the one of the plurality of radios and the node on a second channel.

    摘要翻译: 在基于无线电的无线网状分组网络中,其中在高容量通信链路和通过无线链路互连的多个节点之间调度分组业务,在具有耦合到高容量链路的多个无线电的第一节点处提供接入单元, 其中所述多个无线电装置中的每一个能够检测其他节点对所述存取单元的轮询。 轮询从第二节点发送到第一频道上的第一节点处的接入单元。 收到投票的报告在多个无线电中共享。 代表接入单元从仅从多个无线电中的一个发送到轮询节点的确认,并且在多个无线电中的一个与第二信道上的节点之间进行进一步的通信。

    Method of loose source routing over disparate network types in a packet
communication network
    9.
    发明授权
    Method of loose source routing over disparate network types in a packet communication network 失效
    分组通信网络中不同网络类型的松散源路由方法

    公开(公告)号:US5570084A

    公开(公告)日:1996-10-29

    申请号:US268765

    申请日:1994-06-28

    IPC分类号: H04L12/56 H04Q3/00 H04J3/24

    CPC分类号: H04L45/04 H04L45/34 H04W40/02

    摘要: In a packet communication system, loose source routing is employed to permit communication over networks of disparate types, including geographic and path-unaware types. No information resides on a wired access point (WAP). All of the intelligence of the system resides in Name Servers, which provide opaque addresses that end nodes (radios) in a wireless cloud can use to send packets to other end nodes (radios) in other wireless clouds. (A cloud is the set of radios serviced by a particular WAP.) According to the invention, the method employs an ordered list called a path and the network address of a packet consists of such an ordered list of addresses with a "marker" that flags the current destination of the packet and a "direction bit" that tells which direction on the list the next destination is. Each address in the path is type-length-value (TLV) encoded. The address has preferably a 4 bit "type" field, followed by a 4 bit "length" field (indicating length in words) of the value, and then the actual "value" of the address. Each address describes a "place" that the packet must "visit." These "places" may be areas which a packet must traverse, and not necessarily actual node addresses.

    摘要翻译: 在分组通信系统中,使用松散源路由来允许通过不同类型的网络进行通信,包括地理和路径不知道类型。 有线接入点(WAP)上没有信息。 系统的所有智能都驻留在名称服务器中,该服务器提供不透明地址,无线云中的终端节点(无线电)可用于向其他无线云中的其他端节点(无线电)发送数据包。 (云是由特定WAP服务的一组无线电。)根据本发明,该方法采用称为路径的有序列表,并且分组的网络地址由具有“标记”的地址的这种有序列表组成, 标记数据包的当前目的地和一个“方向位”,告知列表中下一个目的地的方向。 路径中的每个地址都是编码类型长度值(TLV)。 该地址优选地是4位“类型”字段,随后是该值的4位“长度”字段(指示字的长度),然后是地址的实际“值”。 每个地址描述数据包必须“访问”的“地点”。 这些“地点”可能是分组必须穿过的区域,而不一定是实际的节点地址。

    Method for network configuration via third party query
    10.
    发明授权
    Method for network configuration via third party query 失效
    通过第三方查询进行网络配置的方法

    公开(公告)号:US5453977A

    公开(公告)日:1995-09-26

    申请号:US193377

    申请日:1994-02-08

    IPC分类号: H04L12/56 H04B7/26

    CPC分类号: H04L45/00 H04L45/16

    摘要: In a mesh communication network, new network nodes acquire information about nearby nodes to which they may communicate through a third-party query whereby an established node with which a new node can communicate is queried to provide a list of nodes in the vicinity of the new nodes with which the new node is likely to be able to communicate. The new node uses this list in attempting to establish communication links and then repeats the third-party query for each node in the list to which it can communicate.

    摘要翻译: 在网状通信网络中,新的网络节点通过第三方查询获取关于他们可以通信的附近节点的信息,从而查询新节点可以通信的建立的节点,以提供新的节点附近的节点列表 新节点可能与之通信的节点。 新节点在尝试建立通信链路时使用此列表,然后对可以通信的列表中的每个节点重复第三方查询。