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    • 43. 发明申请
    • OSCILLATOR ARRANGEMENT, METHOD, COMPUTER PROGRAM AND COMMUNICATION DEVICE
    • 振荡器布置,方法,计算机程序和通信设备
    • WO2015082009A1
    • 2015-06-11
    • PCT/EP2013/075705
    • 2013-12-05
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    • SUNDSTRÖM, LarsHE, NingBALDEMAIR, Robert
    • H03B5/32H03L7/099
    • H03L7/1075H03B5/32H03B2200/0062H03B2200/009H03B2201/038H03L7/099H04W28/14
    • A reference oscillator arrangement is provided for a communication apparatus capable of communicating according to a plurality of transport formats. The reference oscillator arrangement comprises a reference oscillator controller; a resonator core comprising a reference resonator and a driving circuit for the reference resonator, wherein the resonator core is arranged to provide an oscillating signal at a frequency of the reference resonator; and a reference oscillator buffer arrangement, connected to the resonator core, comprising an active circuit arranged to provide a reference oscillator output based on the oscillating signal. The reference oscillator controller is arranged to receive information about an applied transport format and control the driving circuit and/or the active circuit based on the information about the applied transport format. An oscillator arrangement, a communication device, methods therefor and a computer program are also disclosed.
    • 为能够根据多种传输格式进行通信的通信装置提供参考振荡器装置。 参考振荡器装置包括参考振荡器控制器; 谐振器芯,包括参考谐振器和用于参考谐振器的驱动电路,其中所述谐振器芯被布置成在参考谐振器的频率处提供振荡信号; 以及连接到所述谐振器芯的参考振荡器缓冲器装置,包括有源电路,其被布置为基于所述振荡信号提供参考振荡器输出。 参考振荡器控制器被配置为接收关于所应用的传输格式的信息,并且基于关于所应用的传输格式的信息来控制驱动电路和/或有源电路。 还公开了振荡器装置,通信装置,其方法和计算机程序。
    • 44. 发明申请
    • QUADRATURE MIXER ARRANGEMENT
    • 平台混合器安排
    • WO2014198287A1
    • 2014-12-18
    • PCT/EP2013/061904
    • 2013-06-10
    • TELEFONAKTIEBOLAGET L M ERICSSON (publ)
    • SUNDSTRÖM, LarsEK, StaffanSVENSSON, Jim
    • H03D3/00H03D7/16H04L27/36H04L27/38H03D7/18
    • H03D7/14H03D3/009H03D7/166H03D7/18H04L27/364H04L27/365H04L27/3863
    • A quadrature mixer arrangement is disclosed, which is adapted to translate an input signal by a translation frequency. The mixer arrangement is operated at a clock rate that equals the translation frequency times an oversampling rate, wherein the oversampling rate is not a multiple of four. The mixer arrangement comprises a sequence generator, at least one pair of mixers, and one or more correction networks. The sequence generator generates an in-phase mixer translation sequence and a quadrature-phase mixer translation sequence based on the oversampling rate. The in-phase mixer translation sequence is a time-discrete representation of a translation frequency sinusoidal function sampled at the clock rate, and the quadrature-phase mixer translation sequence is a time-discrete representation of the translation frequency sinusoidal function phase-shifted by π/2 plus a phase deviation and sampled at the clock rate, wherein the phase deviation is a function of the oversampling rate. Each pair of mixers comprises an in-phase mixer and a quadrature-phase mixer, each adapted to translate a respective input signal based on the respective translation frequency. The one or more correction networks are adapted to, based on the oversampling rate and the phase deviation, compensate for the phase deviation by adjusting at least one of the in-phase mixer input signal, the quadrature-phase mixer input signal, the in-phase mixer output signal, and the quadrature-phase mixer output signal.
    • 公开了一种正交混频器装置,其适于将输入信号转换为转换频率。 混频器布置以等于平移频率的时钟速率乘以过采样率,其中过采样率不是四倍的倍数。 混频器装置包括序列发生器,至少一对混频器和一个或多个校正网络。 序列发生器基于过采样率产生同相混频器转换序列和正交混频器转换序列。 同相混频器转换序列是以时钟速率采样的平移频率正弦函数的时间离散表示,并且正交混频器转换序列是由pgr相移的平移频率正弦函数的时间离散表示 ; / 2加上相位偏差,并以时钟速率采样,其中相位偏移是过采样率的函数。 每对混频器包括同相混频器和正交相混频器,每个混频器适于基于相应的转换频率来转换相应的输入信号。 一个或多个校正网络适于基于过采样速率和相位偏移,通过调整同相混合器输入信号,正交相混频器输入信号,同相混频器输入信号中的至少一个来补偿相位偏差, 相位混频器输出信号和正交相混频器输出信号。
    • 45. 发明申请
    • METHOD AND APPARATUS FOR QUADRATURE MIXER CIRCUITS
    • 方法和装置用于平衡混合器电路
    • WO2014053301A1
    • 2014-04-10
    • PCT/EP2013/069162
    • 2013-09-16
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    • SUNDSTRÖM, LarsEK, Staffan
    • H03D7/16G06F1/03H04L27/38
    • G06F1/0342H03D7/165
    • The teachings presented herein allow the same sequence of local oscillator waveform sample values to be used for driving two harmonic rejection mixers for which quadrature operation is desired, irrespective of whether the oversampling rate of the sequence is divisible by four or only divisible by two. This ability is obtained by controlling whether the quadrature mixer clocks coincidentally with the ίη-phase mixer, or clocks a half clock cycle out of phase relative to the in-phase mixer. Several advantages attend the contemplated circuit arrangement and method of operation. Example advantages include the improved matching that comes from operating both mixers with the identical waveform sample values, and the improved flexibility in optimizing the harmonic rejection and/or interference- related operation of the mixers over a broader range of frequencies of interest, which flows from having a larger set of usable OSRs.
    • 本文给出的教导允许使用相同的本地振荡器波形采样值序列来驱动需要进行正交操作的两个谐波抑制混频器,而不管序列的过采样率是否可被四除或仅可被二除。 该能力通过控制正交混频器的时钟与相位混频器是否相符,或者相位相位混频器的时钟周期不同步来获得。 几个优点参加了预期的电路装置和操作方法。 示例优点包括来自使用具有相同波形采样值的两个混频器的改进匹配,以及在更广泛的感兴趣的频率范围内优化混频器的谐波抑制和/或干扰相关操作的改进的灵活性,其从 具有更大的一组可用的OSR。
    • 46. 发明申请
    • A METHOD AND APPARATUS FOR MIXER-BASED HARMONIC REJECTION
    • 基于混合器谐波抑制的方法和装置
    • WO2013156507A1
    • 2013-10-24
    • PCT/EP2013/057966
    • 2013-04-17
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    • SUNDSTRÖM, LarsANDERSON, Martin
    • H03D7/14
    • H03D7/1458H03D7/1466H03D7/1483H03D2200/0086
    • In one aspect, the present invention exploits the termination conductances (18, 22) of a time-discrete harmonic mixer (10) as another degree of freedom in configuring the mixer (10) to meet given harmonic rejection performance requirements while using reduced number of unit cells (12). The values of these termination conductances (18, 22) are purposefully configured to introduce a desired non-linearity in quantization of the mixer transconductance by the unit cells (12). The non-uniform quantization produces a non-linear fitting of the transconductance levels to the transconductance points defining the target sinusoidal waveform. As a consequence of its termination conductance configuration, the contemplated mixer (10) achieves levels of harmonic rejection with that would not be met if the reduced number of unit cells (12) operated with uniform quantization.As a further advantage, the manipulated conductance values generally are lower than those used in conventional designs, e.g., on par with the maximum conductance of the mixer (10), as provided by mixer's set of unit cells (12).
    • 一方面,本发明利用时间离散谐波混频器(10)的端接电导(18,22)作为构成混频器(10)的另一自由度,以满足给定的谐波抑制性能要求,同时使用减少数量的 单元电池(12)。 这些端接电导(18,22)的值被有目的地配置成在单元电池(12)的混频器跨导的量化中引入期望的非线性。 非均匀量化产生跨导电平与限定目标正弦波形的跨导点的非线性拟合。 作为其终端电导配置的结果,预期的混频器(10)实现谐波抑制的水平,如果以均匀量化操作的减少的单元电池(12)的数量将不能满足。另外的优点是,受控电导值 通常低于常规设计中使用的那些,例如,与混合器的一组单位电池(12)提供的混合器(10)的最大电导相当。
    • 47. 发明申请
    • TERMINAL DUAL SIM - DUAL ACCESS HANDLING
    • 终端双SIM卡 - 双重访问处理
    • WO2015180779A1
    • 2015-12-03
    • PCT/EP2014/061173
    • 2014-05-28
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    • TILLMAN, FredrikLINDOFF, BengtSUNDSTRÖM, Lars
    • H04W16/14H04W72/12H04W88/06
    • H04W76/16H04W8/18H04W8/24H04W28/18H04W48/20H04W76/15H04W76/27H04W88/06
    • The disclosure pertains to the field of dual access handling. More particularly the disclosure relates to methods of handling more than one connection, each connection corresponding to a respective subscriber identity and connecting a wireless device to a respective wireless network, as well as to a corresponding wireless device and to a computer program. This object is obtained by a method, performed in a wireless device 1, of handling multi access of more than one connection, each connection corresponding to a respective subscriber identity and connecting the wireless device to a respective wireless network. The method comprises detecting S1, for a first connection corresponding to a first subscriber identity, a change in connection properties, and determining S2, for at least one of the other subscriber identities, a set of updated network capabilities, based on the changed connection properties of the first connection.
    • 本公开涉及双重访问处理领域。 更具体地,本公开涉及处理多于一个连接的方法,每个连接对应于相应的用户身份,并将无线设备连接到相应的无线网络,以及相应的无线设备和计算机程序。 该目的通过在无线设备1中执行的处理多个连接的多路访问的方法获得,每个连接对应于相应的用户标识,并将无线设备连接到相应的无线网络。 该方法包括基于改变的连接属性来检测对于第一用户标识的第一连接,连接属性的改变,以及确定S2,对于至少一个其他用户标识,一组更新的网络能力 的第一个连接。
    • 48. 发明申请
    • RADIO TRANSCEIVER HAVING FREQUENCY SYNTHESIZER
    • 具有频率合成器的无线电收发器
    • WO2014053556A1
    • 2014-04-10
    • PCT/EP2013/070562
    • 2013-10-02
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    • SUNDSTRÖM, LarsWALLÉN, AndersSJÖLAND, Henrik
    • H04B1/00H04B1/40
    • H04L7/0331H04B1/0067H04B1/401H04B1/406H04W88/06
    • A radio transceiver (10) is disclosed. It comprises a first transceiver circuit (15) and a second transceiver circuit (20), the latter requiring an LO signal having higher LO frequency than the former. It further comprises a frequency synthesizer (35) comprising a first clock- signal generator (45) adapted to generate the LO signal for the first transceiver circuit (15) based on a first reference oscillation signal and a second clock-signal generator(65) adapted to generate the LO signal for the second transceiver circuit (20) based on a second reference oscillation signal, which is or is derived from the LO signal for the first transceiver circuit (15). A radio communication apparatus (1) comprising the radio transceiver (10) is also disclosed.
    • 公开了一种无线电收发器(10)。 它包括第一收发器电路(15)和第二收发器电路(20),后者需要具有比前者更高的LO频率的LO信号。 它还包括频率合成器(35),其包括适于基于第一参考振荡信号和第二时钟信号发生器(65)产生第一收发器电路(15)的LO信号的第一时钟信号发生器(45) 适于基于第二参考振荡信号产生第二收发器电路(20)的LO信号,所述第二参考振荡信号是或从第一收发器电路(15)的LO信号导出的。 还公开了一种包括无线电收发器(10)的无线电通信装置(1)。
    • 49. 发明申请
    • RADIO TRANSCEIVER
    • 无线收发器
    • WO2014053544A1
    • 2014-04-10
    • PCT/EP2013/070545
    • 2013-10-02
    • TELEFONAKTIEBOLAGET L M ERICSSON (publ)
    • SUNDSTRÖM, LarsWALLÉN, AndersMATTISSON, Sven
    • H04B1/38H04B1/52
    • H04J4/00H04B1/3805H04B1/52H04L5/26H04W72/0453H04W76/14
    • A radio transceiver circuit (10) for FDD communication is disclosed. It comprises a transmitter (20) for FDD signal transmission in a first frequency band, a first receiver (25) for FDD signal reception in a second frequency band, separate from the first frequency band, and a duplexer (30). An output port (35) of the transmitter (20) is operatively connected to a first port (40) of the duplexer (30) for transmitting, through the duplexer (30), signals in said first frequency band. An input port (45) of the first receiver (25) is operatively connected to a second port (50) of the duplexer (30) for receiving, through the duplexer (30), signals in said second frequency band. The radio transceiver circuit (10) comprises a second receiver (55), separate from the first receiver (25), for reception in said first frequency band. An input port (60) of the second receiver (55) is operatively connected to said first port (40) of the duplexer (30) for receiving, through the duplexer (30), signals in said first frequency band. A related radio communication apparatus is also disclosed.
    • 公开了一种用于FDD通信的无线电收发器电路(10)。 它包括用于在第一频带中进行FDD信号传输的发射机(20),用于与第一频带分离的第二频带FDD信号接收的第一接收机(25)和双工器(30)。 发射机(20)的输出端口(35)可操作地连接到双工器(30)的第一端口(40),用于通过双工器(30)在所述第一频带中发送信号。 第一接收器(25)的输入端口(45)可操作地连接到双工器(30)的第二端口(50),用于通过双工器(30)接收所述第二频带中的信号。 无线电收发器电路(10)包括与第一接收器(25)分离的用于在所述第一频带中接收的第二接收器(55)。 第二接收器(55)的输入端口(60)可操作地连接到双工器(30)的所述第一端口(40),用于通过双工器(30)接收所述第一频带中的信号。 还公开了一种相关的无线电通信装置。
    • 50. 发明申请
    • HARMONIC REJECTION MIXER ARRANGEMENT
    • 谐波抑制混频器布置
    • WO2013156305A1
    • 2013-10-24
    • PCT/EP2013/057011
    • 2013-04-03
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    • SUNDSTRÖM, LarsANDERSSON, Martin
    • H03D7/16H03D7/14
    • H03D7/1491H03D7/1458H03D7/1466H03D7/1475H03D7/165H03D2200/0086
    • It is disclosed a mixer arrangement for complex signal mixing comprising a first harmonic rejection mixer, and a second harmonic rejection mixer. Each of the harmonic rejection mixers comprises mixer unit cells wherein each mixer unit cell comprises a differential input, transconductance elements corresponding to the differential input, and a switching network arranged to switch signals from the transconductance elements to a differential output, and the first and the second harmonic rejection mixers have mutual quadrature phase relationship. The first and the second rejection mixer share a plurality of mixer unit cell, each comprising an input for receiving a signal to be mixed, an input for receiving control signals derived from a local oscillator signal, and one output for each of the first and second harmonic rejection mixers. A radio circuit comprising such a mixer arrangement and a communication apparatus comprising such a radio circuit are also disclosed.
    • 公开了一种用于复数信号混合的混频器装置,其包括第一谐波抑制混频器和二次谐波抑制混频器。 每个谐波抑制混频器包括混频器单元,其中每个混频器单元包括差分输入,对应于差分输入的跨导元件和布置成将来自跨导元件的信号切换到差分输出的开关网络,以及第一和第 二次谐波抑制混频器具有相互正交相位关系。 第一和第二抑制混频器共享多个混频器单元,每个混频器单元包括用于接收待混合信号的输入端,用于接收从本地振荡器信号导出的控制信号的输入端,以及用于第一和第二 谐波抑制混频器 还公开了包括这种混频器装置的无线电电路和包括这种无线电电路的通信装置。