Methods and apparatus for updating a reduction ratio
    1.
    发明授权
    Methods and apparatus for updating a reduction ratio 有权
    用于更新减速比的方法和装置

    公开(公告)号:US07054362B1

    公开(公告)日:2006-05-30

    申请号:US09867967

    申请日:2001-05-29

    申请人: Ke Shen Yi Tong Tse

    发明人: Ke Shen Yi Tong Tse

    摘要: According to the present invention, methods and apparatus for updating reduction ratios are provided. An input bit sequence can be altered to provide modified output bit sequence. The input bit sequence may represent information in a portion of data such as a video sequence, a picture, or an audio stream. In one example, the bit sequence is an MPEG-2 video sequence. The input bit sequence is altered using a reduction ratio to provide a modified output bit sequence. The reduction ratio can be continually updated using rate control information to achieve a target reduction ratio for the input bit sequence.

    摘要翻译: 根据本发明,提供了用于更新减速比的方法和装置。 可以改变输入比特序列以提供修改的输出比特序列。 输入比特序列可以表示诸如视频序列,图片或音频流的数据的一部分中的信息。 在一个示例中,比特序列是MPEG-2视频序列。 使用减小比改变输入比特序列以提供修改的输出比特序列。 可以使用速率控制信息来连续地更新缩小比率,以实现输入比特序列的目标缩小率。

    Handoff method for a communication system of a train
    2.
    发明授权
    Handoff method for a communication system of a train 有权
    火车通讯系统的切换方法

    公开(公告)号:US07096000B2

    公开(公告)日:2006-08-22

    申请号:US10874212

    申请日:2004-06-24

    申请人: Yukiko Yano

    发明人: Yukiko Yano

    IPC分类号: H04B1/06 H04B11/02

    摘要: In a mobile communication system, even when cells formed by fixed radio base stations are separated from each other, the switching operation between the cells is easily carried out to conduct continuous communication. A first-end radio device mounted in a first-end section of a mobile unit and linked with one of fixed radio base stations or a last-end radio device mounted in a last-end section of a mobile unit and linked with one of fixed radio base stations is selected. A communication network is established between the first-end or last-end radio device thus selected and a plurality of mobile terminals in the mobile unit. This makes it possible to construct a communicable zone (a virtual cell) on the mobile unit and hence elongates the ranges of cells formed by the base stations.

    摘要翻译: 在移动通信系统中,即使由固定无线基站形成的小区彼此分离,也容易进行小区之间的切换操作,进行连续的通信。 一种安装在移动单元的第一端部分并与固定无线电基站之一或最后端无线电装置之一连接的第一端无线电装置,其安装在移动单元的最后端部分中并与固定无线基站中的一个连接 选择无线基站。 在这样选择的第一端或最后端无线电设备和移动单元中的多个移动终端之间建立通信网络。 这使得可以在移动单元上构建可通信区域(虚拟小区),并因此延长由基站形成的小区的范围。