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    • 1. 发明申请
    • Initiation of High Speed Overlay Mode for Burst Data and Real Time Streaming (Audio) Applications
    • 启动突发数据和实时流(音频)应用的高速覆盖模式
    • US20090116472A1
    • 2009-05-07
    • US11935023
    • 2007-11-05
    • Kuor-Hsin ChangClinton C. PowellLuis J. Briones
    • Kuor-Hsin ChangClinton C. PowellLuis J. Briones
    • H04B7/005H04B1/69H04J3/06
    • H04L1/0023H04L25/0262
    • In a wireless 802.15.4 communication system, a method and system are provided for switching between a predetermined protocol transmission mode and a high-speed transmission mode by including signaling mode information in a data packet (330, 340) to instruct the receiver device (300) to demodulate at least a data payload using the predetermined transmission mode if the signaling mode information comprises a first predetermined value, and to demodulate at least the data payload using the high-speed transmission mode if the signaling mode information comprises a second predetermined value. The signaling mode information may be included in the SFD field of an 802.15.4 SHR structure to instruct the receiver how to demodulate or process the data packet, or may be included as desired anywhere in the data packet to instruct the receiver how to demodulate or process one or more subsequent data packets.
    • 在无线802.15.4通信系统中,提供了一种方法和系统,用于通过在数据分组(330,340)中包括信令模式信息来在预定协议传输模式和高速传输模式之间切换以指示接收机设备 300)如果所述信令模式信息包括第一预定值,则使用所述预定传输模式来解调至少一个数据有效载荷,并且如果所述信令模式信息包括第二预定值,则使用所述高速传输模式至少解调所述数据有效载荷 。 信令模式信息可以包括在802.15.4 SHR结构的SFD字段中,以指示接收机如何解调或处理数据分组,或者可以根据需要在数据分组中随时包括以指示接收机如何解调或 处理一个或多个后续数据包。
    • 3. 发明申请
    • Smart/Active RFID Tag for Use in a WPAN
    • 用于WPAN的智能/有源RFID标签
    • US20090311960A1
    • 2009-12-17
    • US12136861
    • 2008-06-11
    • Shahin FarahaniKuor-Hsin ChangClinton C. Powell
    • Shahin FarahaniKuor-Hsin ChangClinton C. Powell
    • H04B7/26H04B7/00
    • G01S13/767G01S5/0252G01S5/0263G01S5/0289G01S5/14H04B1/7163H04W88/06
    • A system and method is provided for processing communication signals in a wireless personal area network (WPAN) using a transceiver comprising a first transmitter and a first receiver operable to transmit and receive signals using a first transmission protocol and a second transmitter operable to transmit signals using a second transmission protocol. In various embodiments, the first receiver is used to receive a first signal that was transmitted using the first communication protocol and the second transmitter is used to transmit a second signal using the second transmission protocol in response to receipt of the first signal. The second signal is then processed to determine the location of the object. In some embodiments, the first transmission protocol is compliant with an Institute of Electrical and Electronics Engineers 802.15.4 transmission protocol and the second transmission protocol is compliant with an Ultra-Wide Band (UWB) protocol.
    • 提供了一种系统和方法,用于使用收发机处理无线个域网(WPAN)中的通信信号,所述收发器包括第一发射机和第一接收机,所述收发机可操作以使用第一传输协议来发射和接收信号;以及第二发射机,其可操作以使用 第二传输协议。 在各种实施例中,第一接收机用于接收使用第一通信协议传输的第一信号,并且第二发射机用于响应于接收到第一信号而使用第二传输协议传输第二信号。 然后处理第二个信号以确定对象的位置。 在一些实施例中,第一传输协议符合电气和电子工程师协会802.15.4传输协议,并且第二传输协议符合超宽带(UWB)协议。