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    • 45. 发明申请
    • BEAM STEERING ALGORITHM FOR NLOS WIRELESS SYSTEMS WITH PREDEFINED PARAMETERS
    • 具有预设参数的NLOS无线系统的光束转向算法
    • US20090156130A1
    • 2009-06-18
    • US12274766
    • 2008-11-20
    • Zhaocheng WANGMasahiro Uno
    • Zhaocheng WANGMasahiro Uno
    • H04B7/005
    • H04B7/0408
    • The present invention relates to the fields of link adaption, multi-path communication, non-line of sight wireless communication. The present invention especially relates to a communication system, a communication device and a communication method. The problem to be solved by the present invention is to reduce the time which is necessary for the adaption to a specific communication path in a communication system. The method of communication between a first communication device and a second communication device based on a plurality of communication paths comprises a step of transmitting (S10, S12, S9) a signal on a number of communication paths, a step of determining and storing (S14B) at least one link parameter for each one of said number of communication paths based on a signal transmitted on the respective communication path and, when switching to a communication path in order to operate a communication link, a step of operating (S6) a communication link on said communication path based on at least one stored link parameter of said communication path. The method may comprise a step of selecting (S4) said communication path on which said communication link is operated based on one or more of said signals transmitted on said number of communication paths. Said first communication device (1) and/or said second communication device (2) may comprise a narrow beam antenna (11, 12) which is adapted to be steered to different positions corresponding to different communication paths.
    • 本发明涉及链路自适应,多路径通信,非视线无线通信领域。 本发明特别涉及一种通信系统,通信装置和通信方法。 本发明要解决的问题是减少在通信系统中适应特定通信路径所需的时间。 基于多个通信路径的第一通信设备和第二通信设备之间的通信方法包括在多个通信路径上发送(S10,S12,S9)信号的步骤,确定和存储步骤(S14B )基于在各个通信路径上发送的信号,并且当切换到通信路径以操作通信链路时,对于所述数量的通信路径中的每一个的至少一个链路参数,操作(S6)通信 基于所述通信路径的至少一个存储的链路参数在所述通信路径上链接。 该方法可以包括基于在所述数量的通信路径上发送的一个或多个所述信号来选择(S4)所述通信链路被操作的所述通信路径的步骤。 所述第一通信设备(1)和/或所述第二通信设备(2)可以包括窄波束天线(11,12),其适于被转向到对应于不同通信路径的不同位置。
    • 49. 发明申请
    • Method for wireless optical transmission of data and wireless optical data transmission system
    • 无线光传输数据和无线光数据传输系统的方法
    • US20060193634A1
    • 2006-08-31
    • US11339484
    • 2006-01-26
    • Zhaocheng WangKao-Cheng HuangMasahiro Uno
    • Zhaocheng WangKao-Cheng HuangMasahiro Uno
    • H04B10/00
    • H04B10/1141H04B10/116
    • The invention relates to a wireless optical data transmission system and a method for wireless optical transmission of data. The system comprises a data stream generator for generating at least two parallel data streams (18.1, 18.2, 18.3). The parallel data streams are transmitted by a number of separate optical transmitting devices (8, 9, 10) separately by emitting first optical signals. The system further comprises a corresponding number of detectors (19, 20, 21) for detecting the first optical signals and converting them into respective second signals (26.1, 26.2, 26.3) and an error correction unit (31) for correcting the amended second signals. Within a predistortion (29) unit each second signal (26.1, 26.2, 26.3) is amended individually with respect to a transmission channel used.
    • 本发明涉及无线光数据传输系统和数据无线光传输方法。 该系统包括用于产生至少两个并行数据流(18.1,18.2,18.3)的数据流发生器。 通过发射第一光信号,并行数据流由多个单独的光发送装置(8,9,10)分别发送。 该系统还包括相应数量的检测器(19,20,21),用于检测第一光信号并将其转换成相应的第二信号(26.1,26.2,26.3)和纠错单元(31),用于校正经修改的第二信号 。 在预失真(29)单元内,相对于所使用的传输信道单独修改每个第二信号(26.1,26.2,26.3)。
    • 50. 发明授权
    • Infrared gas analyzer
    • 红外气体分析仪
    • US5468962A
    • 1995-11-21
    • US309510
    • 1994-09-23
    • Mitsuru OhishiWataru NakagawaMasahiro Uno
    • Mitsuru OhishiWataru NakagawaMasahiro Uno
    • G01N21/35G01N21/3504G01N21/37G01N21/61
    • G01N21/3504G01N21/37
    • An infrared gas analyzer, of compact and inexpensive design, has improved detection sensitivity. The infrared gas analyzer includes an infrared radiation source, a measuring cell, a reference cell, and a detector. The detector includes two detector cells in which the same species of gas, as the gas to be analyzed, is enclosed. A gas flow channel connects the detector cells to each other. Two thermal sensors are disposed in the gas flow channel, each of which further includes pairs of thermo-elements. The thermo-elements are arranged in such close proximity to each other, as to originate a thermal coupling between the pairing elements, and the thermo-element pairs are separated by a distance across which thermal coupling between the thermo-element pairs becomes insignificant. The detector detects, by the thermal sensors, a gas flow indicative of infrared absorption intensity difference between the measuring and reference cells.
    • 红外气体分析仪的紧凑而廉价的设计提高了检测灵敏度。 红外线气体分析仪包括红外辐射源,测量单元,参考单元和检测器。 检测器包括两个检测器单元,其中与待分析气体相同的气体种类被封闭。 气体流路将检测器单元彼此连接。 两个热传感器设置在气体流动通道中,每个热传感器还包括成对的热电元件。 热元件彼此靠近地布置,以产生配对元件之间的热耦合,并且热电偶对被分开一段距离,热电偶对之间的热耦合变得不显着。 检测器通过热传感器检测指示测量单元和参考单元之间的红外吸收强度差的气流。