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    • 1. 发明授权
    • Methods for determining times and changes of times of transmission, radio communications system and processor
    • 确定传输次数和时间变化的方法,无线电通信系统和处理器
    • US07039433B2
    • 2006-05-02
    • US10362397
    • 2001-06-27
    • Timo RantalainenJani MoilanenVille Ruutu
    • Timo RantalainenJani MoilanenVille Ruutu
    • H04B7/01
    • G01S5/10G01S1/026G01S1/045H04W56/001
    • The invention relates to a method for determining transmission times of signals transmitted by at least one radio transmitter BTS. In order to enhance the accuracy and reliability of estimates of transmission times or of changes of the transmission time of signals transmitted by radio transmitters BTS, it is proposed that a difference in the time level of estimates of the transmission times based on the measurement results of two different radio receivers LMU A,B is taken into account in a filtering of the estimates for obtaining an accurate value for the transmission times. It is further proposed that the changes of the transmission times estimated at different receivers LMU A,B is averaged for obtaining an accurate information about the changes. The invention equally relates to a corresponding radio communications system and to a processing unit for such a system.
    • 本发明涉及一种用于确定由至少一个无线电发射机BTS发射的信号的传输时间的方法。 为了提高传输时间的估计的准确性和可靠性,或者由无线发射机BTS发送的信号的传输时间的变化的提高,提出了基于测量结果的传输时间估计的时间水平差 在对用于获得传输时间的准确值的估计的过滤中考虑了两个不同的无线电接收机LMU A,B。 进一步提出,在不同接收机LMU A,B处估计的传输时间的变化被平均以获得关于变化的准确信息。 本发明同样涉及相应的无线电通信系统和用于这种系统的处理单元。
    • 3. 发明授权
    • Cellular radio synchronization
    • 蜂窝无线电同步
    • US06667963B1
    • 2003-12-23
    • US09231067
    • 1999-01-14
    • Timo RantalainenVille Ruutu
    • Timo RantalainenVille Ruutu
    • H04J300
    • H04W56/0045H04J3/0682H04W56/0075
    • A cellular radio network based positioning system for determining the position of a mobile station (16). For each base transceiver station (1 to 5) or cell of the network, a fixed list of base transceiver stations is stored by a Mobile Positioning Centre (13). Each list identifies those base transceiver stations which enable the position of a mobile station served by the corresponding base transceiver station (6) to be optimally determined. The list is transmitted to the mobile station (16) via the serving base transceiver station (6) together with a list of respective real time differences which exist between the serving base transceiver stations and the listed base transceiver stations. The mobile station determines an observed time difference for each of the listed base transceiver stations, relative to the serving base transceiver station (6), from signals broadcast by the listed base transceiver stations. The mobile station listens for synchronization sequences contained in these signals during time windows defined by the various real time differences. The observed time differences are transmitted from the mobile station (6) to the serving base transceiver station (6) and are used by the network to compute the position of the mobile station (16).
    • 一种基于蜂窝无线电网络的定位系统,用于确定移动台(16)的位置。 对于每个基站(1至5)或网络的小区,移动定位中心(13)存储固定的基站收发器列表。 每个列表识别能够最佳地确定由对应的基站收发器(6)服务的移动台的位置的基站收发台。 该列表经由服务基站收发器(6)与存在于服务基站收发信机和列出的基站收发信机之间的各实时差列表一起发送到移动站(16)。 移动台根据列出的基站收发台广播的信号,相对于服务基站收发台(6)确定每个列出的基站收发信台的观测时间差。 在由各种实时差定义的时间窗期间,移动站侦听包含在这些信号中的同步序列。 观察到的时间差从移动台(6)发送到服务基站(6),由网络使用以计算移动台(16)的位置。
    • 4. 发明授权
    • Method and arrangement for locating a mobile station
    • 用于定位移动台的方法和装置
    • US06442392B2
    • 2002-08-27
    • US09185765
    • 1998-11-04
    • Ville RuutuTimo Rantalainen
    • Ville RuutuTimo Rantalainen
    • H04Q720
    • H04W64/00
    • The invention relates to a method for locating a mobile station (5) my means of radio signals between the mobile station (5) and the mobile station network (1a, 2a, 3a, 4a) by forming separate location channels in addition to the communication channels. The location channels are, among others, the location access channel and the location receipt channel. The access channel is used to send a burst, which includes the identification of the mobile station (5), such as the International Mobile Subscriber Identification (IMSI). The location channels can be used in the locating methods based on the angle of arrival, time difference and transition time of the radio transmission, for example.
    • 本发明涉及一种用于通过除通信之外形成分离的位置信道来定位移动站(5)在移动站(5)和移动站网络(1a,2a,3a,4a)之间的无线电信号的方法 频道 位置信道尤其包括位置接入信道和位置接收信道。 接入信道用于发送包括诸如国际移动用户识别(IMSI)的移动站(5)的标识的突发。 例如,位置信道可以基于到达角度,时间差和无线电传输的转换时间在定位方法中使用。
    • 6. 发明授权
    • Cellular radio locator system
    • 蜂窝无线定位系统
    • US07274939B2
    • 2007-09-25
    • US09231066
    • 1999-01-14
    • Ville RuutuTimo RantalainenMarko AlanenGudni GunnarsonOlli Hyvärinen
    • Ville RuutuTimo RantalainenMarko AlanenGudni GunnarsonOlli Hyvärinen
    • H04Q7/20
    • H04W64/00G01S5/0018G01S5/0045G01S5/10G01S2205/008
    • A cellular radio network based positioning system for determining the position of a mobile station (16). For each base transceiver station (1 to 5) or cell of the network, a fixed list of base transceiver stations is stored by a Mobile Positioning Centre (13). Each list identifies those base transceiver stations which enable the position of a mobile station served by the corresponding base transceiver station (6) to be optimally determined. The list is transmitted to the mobile station (16) via the serving base transceiver station (6) and the mobile station determines an observed time difference for each of the listed base transceiver stations, relative to the serving base transceiver station (6), from signals broadcast by the listed base transceiver stations. The observed time differences are transmitted from the mobile station (6) to the serving base transceiver station (6) and are used by the network to compute the position of the mobile station (16).
    • 一种基于蜂窝无线电网络的定位系统,用于确定移动台(16)的位置。 对于每个基站(1至5)或网络的小区,移动定位中心(13)存储固定的基站收发器列表。 每个列表识别能够最佳地确定由对应的基站收发器(6)服务的移动台的位置的基站收发台。 该列表经由服务基站收发台(6)发送到移动站(16),并且移动站相对于服务基站收发台(6)确定每个列出的基站收发信机的观测时间差, 信号由所列基站收发台广播。 观察到的时间差从移动台(6)发送到服务基站(6),由网络使用以计算移动台(16)的位置。
    • 8. 发明授权
    • Locating method and arrangement
    • 定位方法和布置
    • US06484031B1
    • 2002-11-19
    • US09355145
    • 1999-08-26
    • Ville RuutuTimo Rantalainen
    • Ville RuutuTimo Rantalainen
    • H04Q720
    • H04W64/00G01S1/44G01S5/08
    • The invention relates to a locating method and an arrangement for determining the location of a terminal in a radio system comprising a plurality of base stations and terminals. At least two base stations with known locations transmit a signal used in locating the terminal, and the signals are transmitted in beams with directional antenna patterns and the direction of the beams is changed as a function of time. The terminal determines the location of the base station and the transmission direction of the signal used in location determination by means of the beam transmitted by said at least two base stations. Since the terminal is located at the intersection of the beams of the base stations transmitting from known locations, the location of the terminal can easily be determined. The solution takes multipath propagation into account.
    • 本发明涉及一种用于确定终端在包括多个基站和终端的无线电系统中的位置的定位方法和装置。 具有已知位置的至少两个基站发送用于定位终端的信号,并且信号以具有定向天线方向图的波束发送,并且波束的方向作为时间的函数而改变。 终端通过由所述至少两个基站发送的波束来确定基站的位置和用于位置确定的信号的传输方向。 由于终端位于从已知位置发射的基站的交叉口的交叉点,因此可以容易地确定终端的位置。 该解决方案考虑到多径传播。