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    • 4. 发明授权
    • Method and device for interleaving and method and device for de-interleaving
    • 用于交织的方法和装置以及用于解交织的方法和装置
    • US07428667B2
    • 2008-09-23
    • US11540059
    • 2006-09-29
    • Toshiro KawaharaToshio MikiSanae HotaniTakashi Suzuki
    • Toshiro KawaharaToshio MikiSanae HotaniTakashi Suzuki
    • G06F11/00
    • H04L1/0071H03M13/00H03M13/27H03M13/2703H03M13/2707H03M13/2764H03M13/2792H03M13/35H03M13/356H04L1/0009H04L1/0025H04L1/007H04L1/0072H04L1/0088
    • The writing address supply part 210 supplies writing addresses for writing the bits forming bit sequences corresponding to the header H contained in a frame to be transmitted or stored and bit sequences corresponding to the data D, into the operating memory 220. The reading address supply part 230 alternately supplies to the operating memory 220 a plurality of addresses for reading a plurality of continuous bits corresponding to the header H from the operating memory 220, and an address for reading 1 bit corresponding to the data D from the operating memory 220, and reads the bit sequence such that the bits forming the bit sequence corresponding to the header H are scattered and arranged within the bit sequence forming the data D, from the operating memory. In accordance with such an interleaving device, it is possible to individually randomize frames according to their constituent data, and it is possible to transmit the bits that make up such data in a format which is most suited for said data.
    • 写地址提供部分210将写入地址用于写入与要发送或存储的帧中包含的标题H相对应的位序列的位和与数据D对应的位序列的位写入到操作存储器220中。 读取地址提供部件230从操作存储器220交替地向操作存储器220提供用于读取对应于头部H的多个连续位的多个地址,以及从操作中读取与数据D对应的1位的地址 存储器220,并且读取比特序列,使得形成与头部H相对应的比特序列的比特被分散并布置在从操作存储器形成数据D的比特序列中。 根据这种交织装置,可以根据其构成数据单独地随机化帧,并且可以以最适合于所述数据的格式来发送构成这样的数据的比特。
    • 5. 发明申请
    • Method and apparatus for dormant mode support with paging
    • 用寻呼方式支持休眠模式的方法和装置
    • US20070233863A1
    • 2007-10-04
    • US11807025
    • 2007-05-24
    • Daichi FunatoFujio WatanabeToshio Miki
    • Daichi FunatoFujio WatanabeToshio Miki
    • G06F15/173
    • H04W68/00H04W48/16H04W48/20H04W52/0216H04W52/0219H04W64/00H04W76/20H04W80/04H04W84/12H04W88/08Y02D70/142Y02D70/22
    • Apparatuses and methods are disclosed herein for implementing dormant mode with paging in a WLAN. Power savings in the computing device and reduction in traffic across the network are achieved by requiring a computing device to inform the WLAN of its location only when it crosses a paging area boundary or is to receive IP traffic. Dormant mode with paging is implemented in a protocol that supports dormant functionality and paging functionality but does not itself provide methods or standards for implementing such functionality, such as the IEEE 802.11. The methods and apparatuses disclosed herein provide the methods needed to implement dormant mode with paging in such a protocol. Generally, the methods and apparatuses for implementing dormant mode with paging basically include (1) establishing paging areas; (2) communicating access group information to a computing device; and (3) locating a computing device.
    • 本文公开了用于在WLAN中实现具有寻呼的休眠模式的装置和方法。 通过要求计算设备仅在其跨越寻呼区域边界或者要接收IP流量时才通知WLAN其位置来实现计算设备中的功率节省和网络上的流量减少。 具有寻呼的休眠模式在支持休眠功能和寻呼功能的协议中实现,但本身不提供用于实现这种功能的方法或标准,例如IEEE 802.11。 这里公开的方法和装置提供了在这种协议中实现具有寻呼的休眠模式所需的方法。 通常,用于实现寻呼的休眠模式的方法和装置基本上包括(1)建立寻呼区域; (2)将访问组信息传送到计算设备; 和(3)定位计算设备。
    • 6. 发明授权
    • Method and apparatus for transcoding coded video image data
    • 用于对编码的视频图像数据进行代码转换的方法和装置
    • US06912253B1
    • 2005-06-28
    • US09657434
    • 2000-09-07
    • Han LiToshio MikiYasuhiro Ogiri
    • Han LiToshio MikiYasuhiro Ogiri
    • G06T9/00H04N7/26H04B1/66H04N7/12H04N7/36
    • H04N19/40H04N19/48H04N19/51H04N19/587
    • A transcoding apparatus converts first coded data obtained from a plurality of frames forming a video image by means of a coding algorithms including an interframe prediction coding algorithm with motion compensation into second coded data having a different structure. More specifically, the transcoding apparatus takes a portion of frames which have had the interframe prediction coding and are included in the plurality of frames forming the video image as processing object frames, and from at least the first coded data corresponding to the processing object frames, generates the second coded data corresponding to coded data which are to be obtained when performing the interframe prediction coding on the processing object frames with reference to second reference frames which are different from first reference frames referenced in the interframe prediction coding of the processing object frames. In order to the second coded data, the transcoding apparatus has a motion information calculating portion for calculating motion information to be included in the second coded data using at least motion information contained in said processing object data.
    • 代码转换装置通过包括具有运动补偿的帧间预测编码算法的编码算法将形成视频图像的多个帧获得的第一编码数据转换为具有不同结构的第二编码数据。 更具体地,代码转换装置取得具有帧间预测编码的帧的一部分,并且将构成视频图像的多个帧包括在作为处理对象帧的帧中,并且从至少对应于处理对象帧的第一编码数据, 产生对应于在对处理对象帧执行帧间预测编码时要获得的编码数据的第二编码数据,该第二编码数据参照与处理对象帧的帧间预测编码中参考的第一参考帧不同的第二参考帧。 为了第二编码数据,代码转换装置具有运动信息计算部分,用于使用至少包含在所述处理对象数据中的运动信息来计算要包括在第二编码数据中的运动信息。
    • 8. 发明授权
    • Data transmission device
    • 数据传输设备
    • US06202188B1
    • 2001-03-13
    • US08887410
    • 1997-07-02
    • Takashi SuzukiToshio MikiTomoyuki OhyaToshiro KawaharaSatoru Adachi
    • Takashi SuzukiToshio MikiTomoyuki OhyaToshiro KawaharaSatoru Adachi
    • H03M1329
    • H04L1/0059H03M13/35H04L1/0068H04L2001/0098
    • A data transmission device comprises a transmitter device and a receiver device. The transmitter device divides a data string to be transmitted into an original data string requiring protection against code error and a data string requiring no protection. The transmitter device then carries out an error detection code adding operation and error correction coding at a redundancy code rate of 1/N on the original data string to generate a coded data string. The transmitter device divides the coded data string by N, and outputs the N divided coded data strings and the data string requiring no protection on a communication line under a time division multiplexing control. The receiver device receives the N coded data strings and the data string requiring no protection. The receiver device carries out error correction decoding on the N divided coded data strings and a mixed coded data string obtained by mixing the divided coded data strings, and carries out error detection on decoded data strings obtained by the decoding. The receiver device then outputs one of the decoded data strings from which no code error is detected together with the data string requiring no protection. The data transmission device can carry out a data transmission protecting the transmitted data from burst code errors and random code errors without increase of redundancy.
    • 数据传输设备包括发射机设备和接收机设备。 发射机设备将要发送的数据串划分成需要防止代码错误的原始数据串和不需要保护的数据串。 然后,发送装置在原始数据串上以1 / N的冗余码率执行错误检测码相加运算和纠错编码,生成编码数据串。 发送装置将编码数据串除以N,并且在时分复用控制下,在通信线路上输出N个分割编码数据串和不需要保护的数据串。 接收机设备接收N个编码数据串和不需要保护的数据串。 接收机装置对N个分割编码数据串进行纠错解码,并对通过混合分割的编码数据串获得的混合编码数据串进行纠错解码,并对通过解码获得的解码数据串执行错误检测。 然后,接收机装置输出检测出无代码错误的解码数据串中的一个以及不需要保护的数据串。 数据传输设备可以执行保护传输数据的数据传输不受突发码错误和随机码错误的影响,而不增加冗余。
    • 10. 发明授权
    • Speech signal transmission method providing for control
    • 语音信号传输方式提供控制
    • US5553190A
    • 1996-09-03
    • US240391
    • 1994-05-10
    • Tomoyuki OhyaShinji UebayashiToshio Miki
    • Tomoyuki OhyaShinji UebayashiToshio Miki
    • G10L13/00H04B1/46H04B14/04G10L3/02
    • H04B1/46
    • A method of communicating a speech signal over a communication medium which utilizes VOX (Voice Operated Transmitter) control, and a speech signal transmitting unit and a speech signal receiving unit used in said method. The speech signal includes at least one speech-active duration in which actual speech exists and one silent duration in which no actual speech exists. At a transmitting side, the speech signal is analyzed for each of successive frames thereof to determine whether each frame is in the speech-active duration, and is coded for each of successive frames thereof to produce a series of successive coded data of the speech signal. Then, in response to the detection of a speech starting frame of the speech-active duration, the coded data of the speech starting frame is switched to a preamble, and the preamble and the successive coded data subsequent to the speech starting frame are transmitted in the form of a series of successive frames. At a receiving side, the preamble is detected and the decoded results of the coded actual speech data subsequent to the detected preamble are output as a speech signal. When a predetermined number of successive coded actual speech data have been detected without having detected a preamble preceding thereto, it is decided that the decoded results of the coded actual speech data are in a speech-active duration and the decoded results are outputted as a speech signal.
    • 一种通过使用VOX(语音操作发送器)控制的通信介质传送语音信号的方法,以及在所述方法中使用的语音信号发送单元和语音信号接收单元。 语音信号包括其中存在实际语音的至少一个语音活动持续时间和不存在实际语音的一个静默持续时间。 在发送侧,分析其每个连续帧的语音信号,以确定每个帧是否处于语音活动持续时间,并且针对其每个连续帧进行编码,以产生语音信号的一系列连续编码数据 。 然后,响应于语音激活持续时间的语音开始帧的检测,将语音起始帧的编码数据切换到前同步码,并且在语音开始帧之后的前导码和连续的编码数据被发送 一系列连续帧的形式。 在接收侧,检测前同步码,并且将检测到的前导码之后的编码的实际语音数据的解码结果输出为语音信号。 当已经检测到预定数量的连续编码的实际语音数据而没有检测到其中的前导码时,确定编​​码的实际语音数据的解码结果处于语音活动持续时间,并且将解码的结果作为语音输出 信号。