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    • 23. 发明授权
    • Procedure for the handover of a radio connection
    • 无线电连接切换的过程
    • US5345448A
    • 1994-09-06
    • US52779
    • 1993-04-26
    • Ilkka Keskitalo
    • Ilkka Keskitalo
    • H04W36/12H04B7/212
    • H04W36/12
    • In a digital Time Division Multiple Access radio communications network that includes a number of Base Transceiver Stations, and several Mobile Stations, a handover can be accomplished so that the parameters required in identifying a Mobile Station, and the frequency data, the data of the time interval to be used, as well as the frame number data of the channel are given to a new Base Transceiver Station to which a Mobile Station will be moved. The new Base Transceiver Station is tuned to listen to the channel determined by the data it received. The former Base Station transmits a handover command to the Mobile Station containing the frequency data, the data of the time interval to be used, as well as the frame number data of the channel to which the new Base Station has moved. After the command the Mobile Station turns the trafficing directly to said channel. The timing measurements between the Base Station and the Mobile Station are not required and any tuning correction is carried out by the channel equalizer.
    • 在包括多个基站收发站和若干移动站的数字时分多址无线电通信网络中,可以实现切换,使得识别移动台所需的参数和频率数据,时间的数据 要使用的间隔以及信道的帧号数据被提供给移动站将被移动到的新的基站收发台。 新的基站收发台被调谐以收听由其接收的数据确定的信道。 前基站向移动台发送包含频率数据的切换命令,要使用的时间间隔的数据,以及新基站移动到的信道的帧号数据。 在命令之后,移动台直接将通话量转到所述频道。 基站和移动台之间的定时测量不是必需的,任何调谐校正都由信道均衡器执行。
    • 24. 发明申请
    • METHOD AND APPARATUS OF PERFORMING RADIO MEASUREMENT IN
    • 执行无线电测量的方法和装置
    • US20140045437A1
    • 2014-02-13
    • US13980725
    • 2011-02-01
    • Ilkka Keskitalo
    • Ilkka Keskitalo
    • H04W24/10
    • H04W24/10H04B17/21
    • In accordance with an example embodiment of the present invention, responsive to receiving a request for a measurement in a mobile, the mobile determines whether time instances associated with the measurement coincide with time instances of location estimate availability in the mobile. Responsive to determining that location estimates are not available for a substantial fraction of the time instances when the measurement is requested, the mobile changes the time instances for the measurement and/or the time instances of location estimate availability to increase the availability of location estimates for the measurements.
    • 根据本发明的示例实施例,响应于在移动站中接收到测量请求,移动台确定与测量相关联的时间实例是否与移动站中的位置估计可用性的时间实例一致。 响应于确定位置估计在要求测量时的大部分时间实例中不可用,移动台更改测量的时间实例和/或位置估计可用性的时间实例以增加位置估计的可用性 测量。
    • 27. 发明授权
    • Adaptive radio system
    • 自适应无线电系统
    • US06430421B1
    • 2002-08-06
    • US09506857
    • 2000-02-17
    • Matti KiiskiIlkka Keskitalo
    • Matti KiiskiIlkka Keskitalo
    • H04Q720
    • H04B7/0408
    • The invention relates to an adaptive radio system that includes a plurality of mobile stations and at least one base station. In the radio system, at least the base station includes a plurality of independent transmitting and receiving branches to transfer signals between the base station and mobile stations. The radio system is according to the invention characterized in that it additionally includes means (401, 402) for connecting said transmitting branches and receiving branches in parallel and for numerical, dynamic assigning thereof to transfer of a single signal. The invention further relates to a method for assigning transmitting and receiving branches in a radio system.
    • 本发明涉及一种包括多个移动站和至少一个基站的自适应无线电系统。 在无线电系统中,至少基站包括多个独立的发送和接收分支以在基站和移动台之间传送信号。 根据本发明的无线电系统,其特征在于,其还包括用于连接所述发射分支和并行接收分支的装置(401,402),并且用于数字动态分配以传送单个信号。 本发明还涉及一种用于在无线电系统中分配发送和接收分支的方法。
    • 29. 发明授权
    • Method for providing angular diversity, and base station equipment
    • 提供角度分集的方法以及基站设备
    • US06212406B1
    • 2001-04-03
    • US08971220
    • 1997-11-14
    • Ilkka KeskitaloPeter MuszynskiJaana Laiho-Steffens
    • Ilkka KeskitaloPeter MuszynskiJaana Laiho-Steffens
    • H04Q730
    • H04B7/10
    • A base station equipment for receiving and transmitting a signal of a desired user, which signal to be received may arrive at the equipment along several different paths with several different delays, and which equipment includes one or more antenna arrays composed of several elements, one or more channel units having components for phasing the signal to be transmitted and received by the antenna array in such a way that the gain from the antenna array is the greatest in the desired directions. Each channel unit includes components for searching for the incoming directions and delays of the received signal components, and components for controlling the phasing components on the basis of the information in such a way that the angle of the greatest gain of the antenna beams is deflected in the environment of the desired directions.
    • 用于接收和发送所需用户的信号的基站设备,哪个待接收的信号可以通过几个不同的延迟到达具有若干不同路径的设备,并且哪些设备包括由若干元件组成的一个或多个天线阵列,一个或多个 更多的信道单元具有用于使由天线阵列发送和接收的信号相位的部件,使得来自天线阵列的增益在期望方向上最大。 每个通道单元包括用于搜索接收到的信号分量的输入方向和延迟的组件,以及用于基于信息控制相位分量的组件,使得天线束的最大增益的角度被偏转 所需方向的环境。
    • 30. 发明授权
    • Base station receiver and a method for receiving a signal
    • 基站接收机和接收信号的方法
    • US5887021A
    • 1999-03-23
    • US717724
    • 1996-09-23
    • Ilkka KeskitaloPetri Hokkanen
    • Ilkka KeskitaloPetri Hokkanen
    • H04B1/7115H04B7/08H04W16/24H04B15/00
    • H04B1/7115H04B7/084H04W16/24
    • A base station receiver and a method for receiving a signal in a base station receiver the service area of which is divided into sectors, the signal including multipath propagated signal components. To provide a preferred base station structure, the signal components received in each sector are converted in the method to an intermediate frequency and to digital form, the digitalized signal components are supplied by use of a sector-specific multiplexed bus to a plural number of correlation and spectrum assembling elements, in which each signal component is demodulated and assembled to narrowband form, and the demodulated signal components are supplied by connecting elements to a plural number of receiver-specific combining elements, in which the signals obtained from the different sectors are combined and detected.
    • 一种基站接收机和一种在基站接收机中接收信号的方法,所述基站接收机的业务区被划分成扇区,所述信号包括多径传播信号分量。 为了提供优选的基站结构,在每个扇区中接收的信号分量在该方法中被转换为中频和数字形式,数字化信号分量通过使用扇区专用多路复用总线提供到多个相关 以及其中每个信号分量被解调和组合成窄带形式的频谱组合元件,并且解调的信号分量由连接元件提供给多个接收机专用组合元件,其中从不同扇区获得的信号被组合 并检测到。