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    • 114. 发明申请
    • Mobile communication apparatus and method including base station and mobile station having multi-antenna
    • 包括具有多天线的基站和移动站的移动通信装置和方法
    • US20060019709A1
    • 2006-01-26
    • US10520694
    • 2003-07-10
    • Sung-Jin KimKi- Ho KimChang-Soon ParkKwang-Bok Lee
    • Sung-Jin KimKi- Ho KimChang-Soon ParkKwang-Bok Lee
    • H04M1/00
    • H04L1/0006H04B7/0634H04L1/0003H04L1/0009H04L1/0016H04L1/0656H04L1/1812
    • A mobile communication apparatus including a base station and at least two mobile stations, having multiple antennas, respectively is provided. In the mobile communication apparatus, the base station restores from feedback signals transmitted from the mobile stations weight information determined in the mobile stations, generates from the restored weight information downlink control information ensuring maximum throughput to each of the mobile stations, and selects from among data of all of the mobile stations data of a desired mobile station(s) to be transmitted, based on the downlink control information. Each of each of the mobile stations has at least one mobile station antenna, the base station has at least two base station antennas, and the downlink control information includes mobile station selection information, an optimal basis matrix index, and optimal gain indices. As a result, nominal peak throughput in multi-antenna mobile communications can be efficiently achieved at low costs.
    • 提供了分别具有多个天线的基站和至少两个移动台的移动通信装置。 在移动通信装置中,基站从移动台发送的反馈信号中恢复加权信息,从恢复的加权信息生成确保每个移动台的最大吞吐量的下行链路控制信息,并从数据中进行选择 基于下行链路控制信息,要发送的所需移动台的所有移动站数据的数据。 每个移动台具有至少一个移动台天线,基站具有至少两个基站天线,并且下行链路控制信息包括移动台选择信息,最优基矩阵索引和最优增益索引。 因此,可以以低成本有效地实现多天线移动通信中的标称峰值吞吐量。
    • 118. 发明申请
    • Fabrication method for optical fiber preform
    • 光纤预制棒的制造方法
    • US20050144985A1
    • 2005-07-07
    • US10836027
    • 2004-04-30
    • Sung-Jin KimSung-Koog Oh
    • Sung-Jin KimSung-Koog Oh
    • C03B37/012C03B37/075G02B6/00
    • C03B37/01211C03B2201/12C03B2201/20C03B2201/22Y02P40/57
    • A method and apparatus for fabricating an optical fiber preform through an over-jacketing process that reduces an amount of hydroxyl radical formed during the fabrication process. The method includes the steps of preparing a primary preform and a secondary glass tube coaxially aligned with the primary preform, sealing predetermined ends of the primary preform and the secondary glass tube after coaxially aligning the primary preform and the secondary glass tube. Replacement gas is introduced into the primary preform and secondary glass tube, which has a superior property for absorbing hydroxyl radical between the primary preform and the secondary glass tube. The primary preform and the secondary glass tube is completely sealed, lengthwise from the primary preform and the secondary glass tube from the predetermined ends of the primary preform and the secondary glass tube. The hydroxyl radical is replaced with replacement gas by injecting the gas into the space formed between the primary preform and the secondary glass tube before the over-jacketing step is carried out, so that the hydroxyl radical and the replacement gas are exhausted, thereby removing the hydroxyl radical from the optical fiber preform.
    • 一种通过过度护套工艺制造光纤预制件的方法和装置,其减少了在制造过程中形成的羟基自由基的量。 该方法包括以下步骤:准备与初级预制件同轴对准的初级预制件和次级玻璃管,在将初级预型件和次级玻璃管同轴对准之后,密封初级预制件和次级玻璃管的预定端。 替代气体被引入到初级预制件和次级玻璃管中,其具有用于吸收初级预制件和次级玻璃管之间的羟基自由基的优异性能。 初级预制件和次级玻璃管从初级预制件和次级玻璃管的预定端部从初级预制件和次级玻璃管纵向完全密封。 在进行过夹套步骤之前,通过将气体注入形成在初级预制件和次级玻璃管之间的空间中来替换羟基,从而排出羟基和置换气体,从而除去 羟基自由基来自光纤预制棒。