Methods and apparatus to mitigate interference and to extend field of view in ultra-wideband systems

    公开(公告)号:US10103975B2

    公开(公告)日:2018-10-16

    申请号:US15246863

    申请日:2016-08-25

    申请人: ZIH CORP.

    摘要: Methods and systems are described for generating a first filtered signal by passing signal energy in a first radio frequency (RF) spectral band associated with a signaling bandwidth of an ultra-wideband (UWB) RF signaling system, generating a second filtered signal by passing signal energy in a second RF spectral band associated with the signaling bandwidth of the UWB RF signaling system, generating a plurality of digitized streams of pulses by identifying RF pulses in a respective filtered signal above a respective predetermined threshold, generating at least one time-stamped tag data packet, based on decoding a valid over-the-air packet corresponding to a plurality of RF pulses received according to a known burst pattern, selecting a time-stamped tag data packet from the at least one received time-stamped tag data packet, formulating a network data packet based on the selected time-stamped tag data packet, and outputting the network data packet.

    MODULAR LOCATION TAG FOR A REAL TIME LOCATION SYSTEM NETWORK
    2.
    发明申请
    MODULAR LOCATION TAG FOR A REAL TIME LOCATION SYSTEM NETWORK 有权
    用于实时位置系统网络的模块化位置标签

    公开(公告)号:US20150375041A1

    公开(公告)日:2015-12-31

    申请号:US14732360

    申请日:2015-06-05

    申请人: ZIH Corp.

    摘要: A modular location tag, method of manufacture, and method of use thereof are provided. The modular location tag including a controller including a microcontroller configured to generate a data packet and a two or more individual transmit modules in data communication with the controller such that each individual transmit module is configured to transmit the data packet, each individual transmit module including an antenna and a pulse generator configured to transmit the data packet on ultra-wideband (UWB) blink data pulses. The controller causes substantially simultaneous transmission of the UWB blink data pulses from the respective transmit modules encourage reliable receipt of the UWB blink data pulses at one or more of a plurality of receivers.

    摘要翻译: 提供了模块化位置标签,制造方法及其使用方法。 所述模块化位置标签包括控制器,所述控制器包括被配置为生成数据分组的微控制器和与所述控制器进行数据通信的两个或更多个单独发射模块,使得每个单独发射模块被配置为发射所述数据分组,每个单独的发射模块包括 天线和被配置为在超宽带(UWB)闪烁数据脉冲上传输数据分组的脉冲发生器。 控制器基本上同时传输来自相应发射模块的UWB闪烁数据脉冲,鼓励在多个接收器中的一个或多个处接收UWB闪烁数据脉冲。

    STRUCTURES FOR REGISTRATION ERROR COMPENSATION
    3.
    发明申请
    STRUCTURES FOR REGISTRATION ERROR COMPENSATION 有权
    注册错误补偿结构

    公开(公告)号:US20150091670A1

    公开(公告)日:2015-04-02

    申请号:US14561868

    申请日:2014-12-05

    申请人: ZIH Corp.

    IPC分类号: H01P1/203 H01P11/00

    摘要: Metallization layer structures for reduced changes in radio frequency characteristics due to registration error and associated methods are provided herein. An example resonator includes a first conductive layer defining an error limiting feature and a second conductive layer. The resonator further includes at least one communication feature configured to electrically couple the first conductive layer and the second conductive layer at a communication position. The error limiting feature is configured to reduce changes in radio frequency characteristics of the resonator due to registration error. Methods of manufacturing resonators are also provided herein.

    摘要翻译: 本文提供了用于由于注册错误引起的射频特性的减小的变化的金属化层结构和相关联的方法。 示例性谐振器包括限定误差限制特征的第一导电层和第二导电层。 谐振器还包括至少一个通信特征,其构造成在通信位置处电耦合第一导电层和第二导电层。 误差限制功能被配置为减少由于配准误差引起的谐振器的射频特性的变化。 本文还提供了制造谐振器的方法。

    METHODS AND APPARATUS TO MITIGATE INTERFERENCE AND TO EXTEND FIELD OF VIEW IN ULTRA-WIDEBAND SYSTEMS

    公开(公告)号:US20190028385A1

    公开(公告)日:2019-01-24

    申请号:US16131616

    申请日:2018-09-14

    申请人: ZIH CORP.

    摘要: An example apparatus includes a first detector configured to generate a first digitized stream of pulses and a second detector configured to generate a second digitized stream of pulses; a first packet decoder configured to decode a first valid over-the-air packet from the first digitized stream of pulses and generate a first time-stamped tag data packet; a second packet decoder configured to decode a second valid over-the-air packet from the second digitized stream of pulses; an arbiter configured to receive at least one of first and second time-stamped tag data packets and to select a time-stamped tag data packet from the at least one of the first and second time-stamped tag data packets; and a packet formatter to formulate a network data packet based on the selected time-stamped tag data packet.

    METHODS AND APPARATUS FOR REFERENCE REGENERATION IN REAL TIME LOCATION SYSTEMS

    公开(公告)号:US20180077530A1

    公开(公告)日:2018-03-15

    申请号:US15266137

    申请日:2016-09-15

    申请人: ZIH CORP.

    IPC分类号: H04W4/02 H04W4/00 H04W56/00

    摘要: Methods and apparatus for reference regeneration in real time location systems are disclosed. An example disclosed method includes obtaining reference phase offsets from a plurality of radio frequency identification (RFID) receivers; transmitting a first synchronization signal via a wireline link to obtain differential wireline coarse sync measurements; determining a residual offset table based at least in part on the differential wireline coarse sync measurements and the reference phase offsets; transmitting a second synchronization signal via the wireline link to obtain revised differential wireline coarse sync measurements; generating revised reference phase offsets by combining the revised differential wireline coarse sync offsets with the residual offset table; and determining a physical location of a RFID tag based at least in part on i) the revised reference phase offsets and ii) RFID receiver clock measurements corresponding to a time-of-arrival of over-the-air data transmitted from the RFID tag.

    Structures for registration error compensation

    公开(公告)号:US09748620B2

    公开(公告)日:2017-08-29

    申请号:US14561868

    申请日:2014-12-05

    申请人: ZIH Corp.

    摘要: Metallization layer structures for reduced changes in radio frequency characteristics due to registration error and associated methods are provided herein. An example resonator includes a first conductive layer defining an error limiting feature and a second conductive layer. The resonator further includes at least one communication feature configured to electrically couple the first conductive layer and the second conductive layer at a communication position. The error limiting feature is configured to reduce changes in radio frequency characteristics of the resonator due to registration error. Methods of manufacturing resonators are also provided herein.