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    • 2. 发明申请
    • Device, system and method of clock synchronization
    • 时钟同步的设备,系统和方法
    • US20070064740A1
    • 2007-03-22
    • US11228253
    • 2005-09-19
    • Shai Waxman
    • Shai Waxman
    • H04J3/00
    • H04J3/0658H04L27/2657H04W56/00H04W72/1289H04W88/08
    • Some embodiments of the invention provide devices, systems and methods of clock synchronization. For example, a system in accordance with an embodiment of the invention includes a wireless access point to transmit a signal instructing a plurality of wireless communication stations to substantially simultaneously transmit wireless signals at a pre-defined time; and a wireless communication station including a synchronizer to synchronize, at a non allocated time slot, a clock of the wireless communication station to a clock of the wireless access point based on an estimated frequency offset of a data packet received from the wireless access point.
    • 本发明的一些实施例提供时钟同步的设备,系统和方法。 例如,根据本发明的实施例的系统包括:无线接入点,用于发送指示多个无线通信站的信号,以在预定义的时间基本上同时发送无线信号; 以及包括同步器的无线通信站,其基于从所述无线接入点接收的数据分组的估计的频率偏移,在非分配的时隙将所述无线通信站的时钟同步到所述无线接入点的时钟。
    • 5. 发明申请
    • High-Capacity FHSS-MA Devices and Methods
    • 大容量FHSS-MA设备和方法
    • US20160277064A1
    • 2016-09-22
    • US14660656
    • 2015-03-17
    • Shai WAXMAN
    • Shai WAXMAN
    • H04B1/713H04B1/04H04B7/26
    • H04B1/713H04B1/0475H04B1/715H04B7/2621H04B2001/7152
    • A frequency-hopped spread-spectrum multiple-access (FHSS-MA) wideband transceiver may support frequency-division multiple-access (FDMA) functionality by including a plurality of digital chains corresponding to FHSS-MA physical channels, individually and dynamically compensated for in-phase/quadrature imbalance in the transmit and/or receive portion. A FHSS-MA transceiver supporting FDMA functionality may coordinate FH sequence selection among FHSS physical channels to minimize inter-channel interference while also supporting legacy FHSS-enabled devices (e.g., Bluetooth®). The FHSS-MA transceiver may be incorporated into a wireless bridge device to facilitate low-latency communications over wireless local-area networks (WLANs), wireless wide-area networks (WWANs) or broadcast, with multiple FHSS-enabled devices that may be paired with the wireless bridge device using FHSS-MA channels. The wireless bridge device may enable a FHSS-enabled device to re-pair with a personal device. Such wireless bridge devices may be networked into a wireless bridge network that may increase the number of FHSS-enabled devices that may be accommodated and/or increase coverage range.
    • 频率跳频扩频多址(FHSS-MA)宽带收发器可以通过包括对应于FHSS-MA物理信道的多个数字链来支持频分多址(FDMA)功能,单独并动态补偿 发射和/或接收部分的相位/正交不平衡。 支持FDMA功能的FHSS-MA收发器可以协调FHSS物理信道中的FH序列选择,以最小化信道间干扰,同时支持传统的支持FHSS的设备(例如,Bluetooth®)。 FHSS-MA收发器可以被并入到无线桥接设备中,以便于通过无线局域网(WLAN),无线广域网(WWAN)或广播的低等待时间通信,具有可配对的多个支持FHSS的设备 无线桥接设备使用FHSS-MA通道。 无线桥接设备可以使启用FHSS的设备能够与个人设备重新配对。 这样的无线网桥设备可以联网到可以增加可以容纳的FHSS使能设备的数量和/或增加覆盖范围的无线网桥。
    • 6. 发明授权
    • Wireless communication device and method for coordinating communications among wireless local area networks (WLANs) and broadband wireless access (BWA) networks
    • 用于协调无线局域网(WLAN)和宽带无线接入(BWA)网络之间的通信的无线通信设备和方法
    • US07664085B2
    • 2010-02-16
    • US11322465
    • 2005-12-30
    • Shai Waxman
    • Shai Waxman
    • H04W4/00H04J1/16H04J3/16
    • H04W16/14
    • Embodiments of methods for coordinating communications among wireless networks and a co-located wireless communication device are generally described herein. Other embodiments may be described and claimed. In some embodiments, frame-timing parameters are reported by a broadband wireless access (BWA) network node to a node of a wireless local area network (WLAN), and the WLAN node may transmit the frame-timing parameters to an access point ad the WLAN. The BWA network node and the WLAN node may be co-located within the wireless communication device. The transmission time of downlink transmissions for receipt by the WLAN node may be selected by the access point based on the frame-timing parameters to reduce interference caused by concurrent uplink transmissions by the BWA network node.
    • 这里通常描述用于协调无线网络和同位置无线通信设备之间的通信的方法的实施例。 可以描述和要求保护其他实施例。 在一些实施例中,帧定时参数由宽带无线接入(BWA)网络节点报告给无线局域网(WLAN)的节点,并且WLAN节点可以将帧定时参数发送到接入点 WLAN。 BWA网络节点和WLAN节点可以位于无线通信设备内。 可以由接入点基于帧定时参数来选择由WLAN节点接收的下行链路传输的传输时间,以减少由BWA网络节点由并发的上行链路传输引起的干扰。
    • 8. 发明授权
    • FHSS hotspot device and methods
    • US11478545B2
    • 2022-10-25
    • US16321466
    • 2016-09-16
    • Shai Waxman
    • Shai Waxman
    • H04B1/715A61K39/35A61P37/08A61K31/58A61K38/16C12N15/117H04B1/04H04B1/16H04B1/7156H04B1/40H04B1/713A61K39/00
    • A wireless wideband transceiver may be able to communicate with multiple frequency-hopped spread-spectrum (FHSS) devices concurrently over multiple frequencies over a short range by including a plurality of digital chains corresponding to the FHSS physical channels, individually and dynamically compensated for in-phase/quadrature imbalance in the transmit and/or receive portion. To further improve communications the transceiver may also mitigate cross interference between adjacent channel signals that are received and/or transmitted simultaneously, avoid false reception and/or transmission of co-channel signals, delay respective FHSS channels transmissions relative to other channels transmissions, speed up connection to FHSS devices and coordinate Time Division Duplexing (TDD) operation according to application dependent TX/RX binary pattern. A device that includes such a transceiver (FHSS-hotspot) may enable the concurrent usage of multiple commercially available FHSS peripheral devices without the need for additional personal host devices to be carried along with them, and in addition enable the concurrent usage of multiple commercially available FHSS personal data devices while reducing their radiation and/or latency and/or usage cost and/or power, to establish a localized multi-device multimedia session, and/or to interface with a communications network to communicate with remote parties, and/or to interface with broadcast devices to stream contents.
    • 10. 发明授权
    • Device, system and method of detecting erroneous packets
    • 检测错误数据包的设备,系统和方法
    • US07447979B2
    • 2008-11-04
    • US11028046
    • 2005-01-04
    • Shai Waxman
    • Shai Waxman
    • H03M13/00
    • H04L1/0072H04L1/0045H04L29/12783H04L61/35H04W8/26
    • Embodiments of the present invention provide a method, apparatus and system for acquiring, by a communication device, an address sequence of an acquired packet transmitted over a communication channel and determining whether to receive the acquired packet. The method involves comparing the address sequence with one or more address sequences of previously-acquired packets stored in an address list. Then, if the address sequence does not appear in the address list, the address sequence is stored in the list. If the address sequence of the packet, match an address sequence stored in the address list, the packet is received and the and further checked to determine whether the address sequence of the packet is erroneous. Other embodiments are described and claimed.
    • 本发明的实施例提供了一种通过通信设备获取通过通信信道发送的获取的分组的地址序列并确定是否接收所获取的分组的方法,装置和系统。 该方法包括将地址序列与存储在地址列表中的先前获取的分组的一个或多个地址序列进行比较。 然后,如果地址序列没有出现在地址列表中,则地址序列存储在列表中。 如果分组的地址序列匹配存储在地址列表中的地址序列,则接收分组并进一步检查以确定分组的地址序列是否是错误的。 描述和要求保护其他实施例。