会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明授权
    • Transceiver method in a radio system and a radio system
    • 无线电系统和无线电系统中的收发方法
    • US07257424B2
    • 2007-08-14
    • US10318408
    • 2002-12-13
    • Jyri HämäläinenKari NiemeläRisto Wichman
    • Jyri HämäläinenKari NiemeläRisto Wichman
    • H04M1/00H04Q7/20H04B7/02
    • H04B7/10
    • The invention relates to a radio system and a transceiver method. The method comprises the steps of transmitting a signal of at least one type by a transceiver of the first type; receiving a signal by a transceiver of the second type with at least two differently polarized antennas; performing measurements of the received signal to determine its polarization by using the transceiver of the second type; determining the polarization of the transceiver of the first type; adjusting the signal transmitted by the transceiver of the second type in such a way that the polarization of the signal is matched with the polarization used by the transceiver of the first type; transmitting at least two orthogonally polarized, polarization-matched signals by the transceiver of the second type; and receiving the polarization-matched signals by the transceiver of the first type by using at least two antennas of different polarizations.
    • 本发明涉及无线电系统和收发机方法。 该方法包括以下步骤:通过第一类型的收发器发送至少一种类型的信号; 由具有至少两个不同极化天线的第二类型的收发器接收信号; 通过使用第二类型的收发器来执行接收信号的测量以确定其极化; 确定第一类型的收发器的极化; 调节由第二类型的收发器发送的信号,使得信号的极化与由第一类型的收发器使用的极化匹配; 通过第二类型的收发器传输至少两个正交极化的偏振匹配信号; 以及通过使用不同极化的至少两个天线,由第一类型的收发器接收偏振匹配信号。
    • 4. 发明授权
    • Reception method and receiver
    • 接收方式和接收方
    • US06430173B1
    • 2002-08-06
    • US09355049
    • 1999-08-12
    • Harri PostiKari NiemeläSakari Vikamaa
    • Harri PostiKari NiemeläSakari Vikamaa
    • H04B1700
    • H04B7/2646
    • The invention relates to a reception method and a receiver used in a TDMA radio system. The receiver receives signals placed in time slots allowing the receiver to establish connections. The receiver receives the signals, which are placed in time slots and vary in strength. The receiver comprises amplification means amplifying the received signals with an amplification coefficient of a particular size. The receiver is arranged to receive connection establishing signals from time slots and to form at least two sets of time slots from the time slots, and the amplification means amplify the signals in different sets of time slots with an amplification coefficient of a different size. The amplification means amplify the signals in the same set of time slots with an amplification coefficient of the same size. The receiver comprises measurement means for measuring the strength of the signal received by the receiver, and placing means for placing the connection establishing signal into the set of time slots based on the strength measurement performed for the received signal.
    • 本发明涉及在TDMA无线电系统中使用的接收方法和接收机。 接收器接收放置在时隙中的信号,允许接收机建立连接。 接收器接收信号,它们放置在时隙中并且强度变化。 接收机包括用特定尺寸的放大系数放大接收信号的放大装置。 接收机被配置成从时隙接收建立信号并从时隙形成至少两组时隙,并且放大装置以不同大小的放大系数放大不同组的时隙中的信号。 放大装置以相同大小的放大系数放大同一组时隙中的信号。 该接收机包括测量装置,用于测量由接收机接收的信号的强度,以及放置装置,用于基于对接收到的信号执行的强度测量将连接建立信号放入该时隙集合中。
    • 5. 发明授权
    • Dynamic adjustment of multiple reception paths
    • 动态调整多个接收路径
    • US07978643B2
    • 2011-07-12
    • US11130656
    • 2005-05-17
    • Kari Niemelä
    • Kari Niemelä
    • H04B7/204
    • H04B7/12
    • A user terminal of a radio system arranged to operate a frequency band subdivided into one or more carrier bands, each of which carries a cyclic set of consecutive time slot. The user terminal comprises a first receiver part adjustable to a defined carrier band, and a second receiver part adjustable to a defined carrier band; wherein the first and the second receiver parts are separately operable. The user terminal comprises also allocation means for allocating to a radio channel at least a first timeslot and a second timeslot, wherein the first timeslot and the second timeslot may belong to different carrier bands. The first receiver part and the second receiver part are adjusted to the carrier bands of the first timeslot and of the second timeslot according to a predetermined scheme. The invented structure improved data throughput of the transmission by providing improved quality of transmission through diversity and added capacity through the multicarrier operation.
    • 无线电系统的用户终端被布置成操作被分成一个或多个载波频带的频带,每个载波频带携带连续时隙的循环集合。 用户终端包括可调整到定义的载波频带的第一接收机部分和可调整到限定载波频带的第二接收机部分; 其中所述第一和第二接收器部分是可分开操作的。 用户终端还包括分配装置,用于至少分配第一时隙和第二时隙到无线电信道,其中第一时隙和第二时隙可属于不同的载波频带。 根据预定方案,第一接收机部分和第二接收机部分被调整到第一时隙和第二时隙的载波频带。 本发明的结构通过通过多载波操作的分集和附加容量提供改进的传输质量来提高传输的数据吞吐量。
    • 7. 发明授权
    • Multipath transmission for optimizing receiver reception
    • 用于优化接收机接收的多径传输
    • US06430399B1
    • 2002-08-06
    • US09269688
    • 1999-03-30
    • Kari Niemelä
    • Kari Niemelä
    • H04B158
    • H04B7/0632
    • The invention relates to a transmission method and a radio system comprising a transmitter and a receiver that communicate with each other by means of signals they have transmitted. The signals propagate along different paths from the transmitter to the receiver, which comprises means for combining the signals that have propagated along different paths after the reception. The radio system comprises transmitting means for transmitting for each connection at least two signals that are combined in the means into one signal, and measuring means for measuring the combined signal and for estimating the optimality of the transmission. The radio system also comprises control means that adjust, on the basis of the measurement and estimation, the phase of at least the signal that is to be transmitted in the downlink direction in the signal transmission by the transmitting means in order to decrease accumulation of signals during the combining of the signals.
    • 本发明涉及一种传输方法和无线电系统,包括通过它们已发送的信号彼此通信的发射机和接收机。 信号沿着从发射机到接收机的不同路径传播,其包括用于组合在接收之后沿不同路径传播的信号的装置。 无线电系统包括发射装置,用于为每个连接发送在装置中组合成一个信号的至少两个信号,以及测量装置,用于测量组合信号和估计传输的最优性。 该无线电系统还包括控制装置,该控制装置根据测量和估计调整发送装置在信号传输中将在下行链路方向上发送的信号的相位,以减少信号的累积 在组合信号期间。
    • 9. 发明授权
    • Tuning method and transceiver unit
    • 调谐方式和收发单元
    • US06347222B1
    • 2002-02-12
    • US09397412
    • 1999-09-16
    • Kari Niemelä
    • Kari Niemelä
    • H03H746
    • H03J7/02H04B1/40H04B17/0085H04B17/309
    • The invention relates to a tuning method used in a base station which comprises, in addition to at least one transceiver unit generating signals, a filtering means which is separate from the transceiver unit and filters signals which are generated on the transmitting end of the transceiver unit, of which signals part advances to the filtering means and part is reflected back, and which filtering means is tuned to operate in a predetermined frequency band. The transceiver unit comprises a test signal generating means which generates a control signal and a test signal that is located in a predetermined frequency band, which test signal is transmitted further to the filtering means, a means which generates signals of the same magnitude as the signal which advances to the filtering means and is reflected from the filtering means, which signals are connected from the transmitting end to the receiving end of the transceiver. The transceiver unit further comprises a measuring instrument which measures the power of the signals which are connected to the receiving end and estimates the return loss of the filtering means on the basis of the powers measured, an adjustment means which receives the control signal from the generating means. The adjustment means tunes the filtering means on the basis of the control signal it has received if a return loss value obtained as an estimation result is greater than the predetermined limit value of the return loss.
    • 本发明涉及一种在基站中使用的调谐方法,该方法除了至少一个产生信号的收发器单元之外,还包括与收发器单元分开的滤波装置,并且对收发器单元的发送端产生的信号进行滤波 ,其中信号部分前进到滤波装置并且部分被反射回来,并且哪个滤波装置被调谐以在预定频带中操作。 收发器单元包括测试信号产生装置,其产生位于预定频带中的控制信号和测试信号,该测试信号进一步传送到滤波装置,产生与信号相同大小的信号的装置 其进入滤波装置并且从滤波装置反射,哪些信号从发射端连接到收发器的接收端。 收发器单元还包括测量仪器,其测量连接到接收端的信号的功率,并且基于所测量的功率估计滤波装置的返回损耗;调节装置,其从发生器接收控制信号 手段。 如果作为估计结果获得的回波损耗值大于回波损耗的预定极限值,则调整装置根据其接收到的控制信号来调谐滤波装置。
    • 10. 发明授权
    • Transmission method and base transceiver station
    • 传输方式和基站收发台
    • US07509145B2
    • 2009-03-24
    • US10679501
    • 2003-10-07
    • Pekka A. RantaHarri JokinenMikko SäilyKari Niemelä
    • Pekka A. RantaHarri JokinenMikko SäilyKari Niemelä
    • H04M1/00
    • H04B7/0606
    • A transmission method and a base transceiver station applying antenna hopping between at least two antenna elements are provided. According to one embodiment of the invention, a carrier carrying a first signal and a second signal is transmitted. At least a portion of the first signal is subjected to a measurement for adjusting receive characteristics of a mobile station for the reception of at least a portion of the second signal. Antenna hopping is applied to the carrier such that the at least a portion of the first signal and the at least a portion of the second signal are transmitted during an interval between two consecutive antenna hops between the at least two antenna elements.
    • 提供了在至少两个天线元件之间应用天线跳变的传输方法和基站收发台。 根据本发明的一个实施例,传送承载第一信号和第二信号的载波。 对第一信号的至少一部分进行测量,以调整移动台的接收特性,以便接收第二信号的至少一部分。 天线跳频被施加到载波,使得第一信号的至少一部分和第二信号的至少一部分在至少两个天线元件之间的两个连续天线跳跃之间的间隔期间被发送。