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    • 13. 发明授权
    • Outer code for CSMA systems using an OFDM physical layer in contention-free mode
    • 在无竞争模式下使用OFDM物理层的CSMA系统的外部代码
    • US07031249B2
    • 2006-04-18
    • US09800449
    • 2001-03-05
    • John Michael Kowalski
    • John Michael Kowalski
    • H04L12/413H04J11/00G06F11/08
    • H04L1/0057H04L1/0065H04L1/0071H04L27/2602
    • A coding scheme for use with a CSMA protocol to enable transmission of high data rate information signals thereover, wherein the protocol includes an OFDM physical layer, a MAC layer and a CSMA protocol inner code, includes providing an outer coding generator; generating outer code words containing coded and uncoded data therein in the outer code generator; wherein, the generated outer code words fit with a small multiple of data bits with an OFDM symbol having a fixed number of data bits, thereby providing for transmission of high data rate information using the outer code and the CSMA protocol inner code at a data rate of at least 24 Mbps and at a packet error rate of less than 1.5·10−9.
    • 一种与CSMA协议一起使用以使得能够在其上传输高数据速率信息信号的编码方案,其中所述协议包括OFDM物理层,MAC层和CSMA协议内码,包括提供外部编码生成器; 在外码生成器中生成包含编码和未编码数据的外码字; 其中,所生成的外码字与具有固定数目的数据比特的OFDM符号的数个比特的数倍相匹配,从而提供使用外码和CSMA协议内码以数据速率传输高数据速率信息 至少24Mbps,分组错误率小于1.5×10 -9。
    • 15. 发明授权
    • Multimedia wired/wireless content synchronization system and method
    • 多媒体有线/无线内容同步系统及方法
    • US06631410B1
    • 2003-10-07
    • US09527478
    • 2000-03-16
    • John Michael KowalskiAtsushi Ishii
    • John Michael KowalskiAtsushi Ishii
    • H04N715
    • H04N5/0736H04J3/0632H04J3/0638H04N21/4305H04N21/43615
    • A system for synchronizing a multimedia content stream signal, emanating from at least one multimedia source, for play through a plurality of output devices, wherein the output devices are connected to the multimedia source by wired connections and wireless connections; the system including plural output realms, including wired realms and wireless realms; and which includes delay synchronizers and for determining a buffer delay for streaming the multimedia content stream signal from a buffer to an output device. A method of synchronizing a multimedia content stream for output to a plurality of wired and wireless output device in a network having plural realms, wherein each realm includes a CTL, includes buffering the multimedia content stream in a first realm; determining a buffer delay; transmitting the buffer delay to all CTLs in all realms of the network; and transmitting the multimedia content stream to all realms in the network.
    • 一种用于同步来自至少一个多媒体源的多媒体内容流信号用于通过多个输出设备播放的系统,其中所述输出设备通过有线连接和无线连接连接到所述多媒体源; 该系统包括多个输出领域,包括有线领域和无线领域; 并且其包括延迟同步器并且用于确定用于将多媒体内容流信号从缓冲器流传输到输出设备的缓冲器延迟。 一种在具有多个领域的网络中同步用于输出的多媒体内容流到多个有线和无线输出设备的方法,其中每个领域包括CTL,包括在第一领域中缓冲多媒体内容流; 确定缓冲区延迟; 将所述缓冲器延迟发送到所述网络的所有领域中的所有CTL; 并将多媒体内容流发送到网络中的所有领域。