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    • 51. 发明授权
    • Apparatus and methods for demodulating a signal
    • 用于解调信号的装置和方法
    • US07809086B2
    • 2010-10-05
    • US11836141
    • 2007-08-08
    • Wang TingwuPan Ju YanYu YangHu SaiguiTomisawa Masayuki
    • Wang TingwuPan Ju YanYu YangHu SaiguiTomisawa Masayuki
    • H03K9/00H04L27/00
    • H04L27/233H04L27/0014H04L27/22H04L27/2275H04L2027/0026
    • An apparatus for demodulating an analogue input signal comprises a hard limiter stage (4) for converting the signal to a two level signal. A digital down converter/low pass filter stage (6) converts the signal to a base band signal, and a symbol synchronization stage (8) extracts symbol timing. An instantaneous phase detector (10) calculates the instantaneous phase of the one or more symbols associated with the input signal. If the input signal has been modulated according to a pi/4DQPSK, pi/2DBPSK, GMSK, or a GFSK modulation scheme, a differential detector (12) determines a difference in the phase between adjacent symbols, a coarse frequency offset compensation stage (14) applies a compensation signal to compensate for frequency offset, and a frequency offset estimation stage (16) updates this compensation signal. A demapper (18) generates a demodulated output signal after compensation by the frequency offset compensation stage.
    • 用于解调模拟输入信号的装置包括用于将信号转换为两电平信号的硬限幅器级(4)。 数字下变频器/低通滤波器级(6)将信号转换为基带信号,符号同步级(8)提取符号定时。 瞬时相位检测器(10)计算与输入信号相关联的一个或多个符号的瞬时相位。 如果输入信号已经根据pi / 4DQPSK,pi / 2DBPSK,GMSK或GFSK调制方案调制,则差分检测器(12)确定相邻符号之间的相位差,粗频率偏移补偿级(14 )施加补偿信号以补偿频率偏移,并且频率偏移估计级(16)更新该补偿信号。 解映射器(18)通过频率偏移补偿级在补偿后产生解调输出信号。
    • 55. 发明申请
    • Method and Arrangement for Acquiring Scheduling Information
    • 获取计划信息的方法和安排
    • US20150208435A1
    • 2015-07-23
    • US14417363
    • 2012-08-01
    • Huaisong ZhuYu YangLuSheng Yu
    • Huaisong ZhuYu YangLuSheng Yu
    • H04W72/12H04L5/14H04W72/04
    • H04W72/1268H04L5/14H04W72/042H04W72/1289H04W92/20
    • A method executed in a first radio base station located in a first cell is provided for acquiring scheduling information associated with a second radio base station located in a neighboring cell, where the method comprises listening, via an air interface, to scheduling information transmitted, via a downlink control channel, from the second radio base station; decoding the received scheduling information, and providing the decoded scheduling information to an uplink receiver and/or uplink scheduler associated with the radio base station, such that the uplink receiver and/or uplink scheduler will be able to enhance its performance on the basis of the received scheduling information. An arrangement for executing the suggested method is also provided.
    • 提供了一种在位于第一小区中的第一无线电基站中执行的方法,用于获取与位于相邻小区中的第二无线电基站相关联的调度信息,其中所述方法包括:经由空中接口,经由 下行链路控制信道; 对所接收的调度信息进行解码,以及将解码的调度信息提供给与无线电基站相关联的上行链路接收机和/或上行链路调度器,使得上行链路接收机和/或上行链路调度器将能够基于 收到调度信息。 还提供了用于执行所提出的方法的装置。
    • 56. 发明申请
    • METHOD AND DEVICE FOR DETERMINING AVAILABLE SPECTRUMS
    • 用于确定可用光谱的方法和装置
    • US20150163080A1
    • 2015-06-11
    • US14239223
    • 2012-08-10
    • Yuanyuan LiYeming TangWenling BaiChenggang JiangYu YangXiaolu WangXin Tong
    • Yuanyuan LiYeming TangWenling BaiChenggang JiangYu YangXiaolu WangXin Tong
    • H04L27/00H04W16/14
    • H04L27/0006H04W16/14
    • A method and device for determining available spectrums is disclosed in embodiments of the present invention. By applying the technical solution of the embodiments of the present invention, with consideration on the bi-directionality of the interference between wireless communication systems, when introduction of the cognitive system is required, the corresponding frequency will be determined as an available frequency only in the case the incumbent system and the cognitive system can be simultaneously guaranteed to meet the corresponding coexistence criterion among the corresponding frequency and adjacent frequencies thereof, thus ensuring that the determined available frequency band guarantees that the normal operation of the incumbent system is not interfered by the cognitive system while ensuring that the newly-introduced cognitive system can also operate normally without interference of the incumbent system, thereby improving the communication quality of the wireless communication systems.
    • 在本发明的实施例中公开了一种用于确定可用频谱的方法和装置。 通过应用本发明的实施例的技术方案,考虑到无线通信系统之间的干扰的双向性,当需要引入认知系统时,相应的频率将仅被确定为可用频率 可以同时保证现有系统和认知系统在相应的频率和相邻频率之间达到相应的共存标准,从而确保确定的可用频带保证现有系统的正常运行不受认知干扰 系统,同时确保新引入的认知系统也可以正常工作而不受现任系统的干扰,从而提高无线通信系统的通信质量。
    • 58. 发明授权
    • Method and arrangement in wireless communications network
    • 无线通信网络中的方法和布置
    • US08948759B2
    • 2015-02-03
    • US13255028
    • 2009-03-23
    • Konstantinos DimouYu Yang
    • Konstantinos DimouYu Yang
    • H04W36/00H04W28/06
    • H04W36/0083H04W28/06
    • A method in a wireless terminal (110) for sending a measurement report to a serving base station (130) before handover is provided. The wireless terminal (110) and the base station (130) are comprised in a cell in a wireless communications system. The wireless terminal (110) is arranged to use a standard size message or a reduced size message for sending a measurement report before a handover. The wireless terminal (110) obtains (601) information about the cell size and/or the system load. When the cell size exceeds a predetermined value or when the system load exceeds a predetermined value, the wireless terminal (110) sends (605) a measurement report to the base station (130), using the reduced size message.
    • 提供了一种用于在切换之前向服务基站(130)发送测量报告的无线终端(110)中的方法。 无线终端(110)和基站(130)包括在无线通信系统中的小区中。 无线终端(110)被安排为在切换之前使用标准尺寸消息或缩小尺寸的消息来发送测量报告。 无线终端(110)获得关于小区大小和/或系统负载的信息(601)。 当小区大小超过预定值时,或者当系统负载超过预定值时,无线终端(110)使用缩小尺寸的消息向基站(130)发送测量报告(605)(605)。
    • 60. 发明授权
    • Process for preparing shelf-stable curable polysilazanes, and polysilazanes prepared thereby
    • 制备稳定的可固化聚硅氮烷的方法和由此制备的聚硅氮烷
    • US08802805B2
    • 2014-08-12
    • US13515333
    • 2010-12-16
    • Yu YangGeorge G. I. Moore
    • Yu YangGeorge G. I. Moore
    • C08G77/26C08G77/62
    • C08G77/62
    • A process for preparing curable oligomeric and/or polymeric polysilazanes comprises (a) forming at least one dihalosilane-base adduct by reacting at least one dihalosilane with at least one base; (b) optionally, combining at least one dihalosilane-base adduct and at least one organodihalosilane; and (c) carrying out ammonolysis of at least one dihalosilane-base adduct or of the resulting combination of at least one dihalosilane-base adduct and at least one organodihalosilane; with the proviso that the base (1) is used for the dihalosilane-base adduct formation in a limited amount that is less than or equal to twice the stoichiometric amount of silicon-halogen bonds in the dihalosilane or (2) is used for the dihalosilane-base adduct formation in excess of this limited amount and, prior to the ammonolysis, the total amount of the resulting reacted and unreacted base is reduced to no more than this limited amount.
    • 制备可固化低聚和/或聚合聚硅氮烷的方法包括(a)通过使至少一种二卤硅烷与至少一个碱反应形成至少一种二卤代硅烷基加合物; (b)任选地,组合至少一种二卤代硅烷基加合物和至少一种有机二卤硅烷; 和(c)进行至少一种二卤硅烷基加合物的氨解或至少一种二卤代硅烷基加合物和至少一种有机二卤代硅烷的组合; 条件是碱(1)用于二卤代硅烷加合物形成,其限制量小于或等于二卤代硅烷中的硅 - 卤键的化学计量量的两倍,或(2)用于二卤代硅烷 - 碱加合物形成超过该有限量,并且在氨解之前,所得到的反应和未反应碱的总量减少到不超过该限制量。