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1. 发明授权

US09450538B2 Harmonic rejection mixer arrangement 有权
标题翻译：谐波抑制混频器布置
公开(公告)号：US09450538B2
公开(公告)日：2016-09-20
申请号：US14394956
申请日：2013-04-03
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Martin Andersson , Lars Sundstrom
IPC分类号： G06F7/44 , H03D7/14 , H03D7/16
CPC分类号： H03D7/1491 , H03D7/1458 , H03D7/1466 , H03D7/1475 , H03D7/165 , H03D2200/0086
摘要： 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.
摘要翻译：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。第一和第二拒绝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。

2. 发明申请

US20150249534A1 RADIO TRANSCEIVER HAVING FREQUENCY SYNTHESIZER 有权
标题翻译：具有频率合成器的无线电收发器
公开(公告)号：US20150249534A1
公开(公告)日：2015-09-03
申请号：US14433020
申请日：2013-10-02
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
发明人： Lars Sundstrom , Anders Wallen , Henrik Sjoland
IPC分类号： H04L7/033 , H04B1/401
CPC分类号： H04L7/0331 , H04B1/0067 , H04B1/401 , H04B1/406 , H04W88/06
摘要： A radio transceiver is disclosed. It comprises a first transceiver circuit and a second transceiver circuit, the latter requiring an LO signal having higher LO frequency than the former. It further comprises a frequency synthesizer comprising a first clock-signal generator adapted to generate the LO signal for the first transceiver circuit based on a first reference oscillation signal and a second clock-signal generator adapted to generate the LO signal for the second transceiver circuit based on a second reference oscillation signal, which is or is derived from the LO signal for the first transceiver circuit. A radio communication apparatus comprising the radio transceiver is also disclosed.
摘要翻译：公开了一种无线电收发器。它包括第一收发器电路和第二收发器电路，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，其包括第一时钟信号发生器，其适于基于第一参考振荡信号产生用于第一收发器电路的LO信号，以及适于基于第二收发器电路生成LO信号的第二时钟信号发生器在第二参考振荡信号上，该第二参考振荡信号是或从第一收发器电路的LO信号导出的。还公开了包括无线电收发器的无线电通信装置。

3. 发明授权

US09065693B2 Event handling in a radio circuit 有权
标题翻译：无线电电路中的事件处理
公开(公告)号：US09065693B2
公开(公告)日：2015-06-23
申请号：US13975269
申请日：2013-08-23
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Thomas Olsson , Lars Sundstrom
IPC分类号： H04M1/00 , H04L25/02 , G06F9/48 , H04B1/40
CPC分类号： H04L25/02 , G06F9/4881 , H04B1/40
摘要： A radio circuit comprises an interface unit for communicating data and commands over a communication link between a digital baseband circuit and the radio circuit. Furthermore, the radio circuit comprises an event-scheduling unit, a local time-reference unit, a synchronization unit, and an execution-control unit. The event-scheduling unit is arranged to receive event-request commands specifying an event to be executed in the radio circuit and a time instant at which the specified event is to be executed, from the digital baseband circuit. Furthermore, the event-scheduling unit is arranged to, in response to receiving an event request-command, schedule the specified event to be executed on the specified time instant. The execution-control unit is arranged to issue execution of each scheduled event at the scheduled time instant based on time information from the local time reference unit. The local time-reference unit is synchronized with a time-reference unit in the digital baseband circuit in response to a synchronization command, from the synchronization unit.
摘要翻译：无线电电路包括用于通过数字基带电路和无线电电路之间的通信链路传送数据和命令的接口单元。此外，无线电电路包括事件调度单元，本地时基参考单元，同步单元和执行控制单元。事件调度单元被配置为从数字基带电路接收指定要在无线电电路中执行的事件的事件请求命令和要执行指定事件的时刻。此外，事件调度单元被配置为响应于接收到事件请求命令，在指定的时刻调度要执行的指定事件。执行控制单元被配置为基于来自本地时间基准单元的时间信息在预定时刻发布每个调度事件的执行。响应于来自同步单元的同步命令，本地时基参考单元与数字基带电路中的时基参考单元同步。

4. 发明授权

US08885772B2 Radio-receiver circuit 有权
标题翻译：无线电接收机电路
公开(公告)号：US08885772B2
公开(公告)日：2014-11-11
申请号：US13911343
申请日：2013-06-06
申请人： Telefonaktiebolaget L M Ericsson (Publ)
发明人： Bengt Lindoff , Filip Oredsson , Tony Petersson , Lars Sundstrom
IPC分类号： H04L27/06 , H04W52/02 , H04L25/03 , H04L27/26 , H04B1/12 , H04L5/00
CPC分类号： H04W52/0251 , H04B1/123 , H04L5/0007 , H04L25/03006 , H04L27/2647
摘要： A radio-receiver circuit. The radio receiver circuit comprises an analog-to-digital conversion unit. The analog-to-digital conversion unit comprises an analog-to-digital converter, ADC, and a filter operatively connected to an input terminal of the ADC in a receive path of the radio-receiver circuit. The radio-receiver circuit further comprises a control unit adapted to receive control data and determine, based on the control data, a frequency band in which data is to be transmitted to the radio-receiver circuit during a subsequent time interval. Furthermore, the control unit is adapted to adapt at least one frequency characteristic of the analog-to-digital conversion unit to the determined frequency band for receiving said data transmitted in said subsequent time interval.
摘要翻译：无线电接收机电路。无线电接收机电路包括模数转换单元。模数转换单元包括模数转换器，ADC和可操作地连接到无线电 - 接收机电路的接收路径中的ADC的输入端的滤波器。无线电 - 接收机电路还包括控制单元，其适于接收控制数据，并且基于控制数据确定在随后的时间间隔期间将数据发送到无线电接收机电路的频带。此外，控制单元适于将模数转换单元的至少一个频率特性适应于所确定的频带，用于接收在所述后续时间间隔中发送的所述数据。

5. 发明授权

US09520834B2 Quadrature mixer arrangement 有权
标题翻译：正交混频器布置
公开(公告)号：US09520834B2
公开(公告)日：2016-12-13
申请号：US14896390
申请日：2013-06-10
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Lars Sundstrom , Staffan Ek , Jim Svensson
IPC分类号： H03D7/14 , H03D7/18 , H04L27/36 , H04L27/38 , H03D3/00 , H03D7/16
CPC分类号： H03D7/14 , H03D3/009 , H03D7/166 , H03D7/18 , H04L27/364 , H04L27/365 , H04L27/3863
摘要： 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.
摘要翻译：公开了正交混频器装置，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，正交混频器转换序列是相移π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位混频器，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。

6. 发明授权

US09473294B2 Radio transceiver having frequency synthesizer 有权
标题翻译：射频收发器具有频率合成器
公开(公告)号：US09473294B2
公开(公告)日：2016-10-18
申请号：US14433020
申请日：2013-10-02
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Lars Sundstrom , Anders Wallen , Henrik Sjoland
IPC分类号： H04B1/401 , H04L7/033 , H04B1/00 , H04B1/403 , H04W88/06
CPC分类号： H04L7/0331 , H04B1/0067 , H04B1/401 , H04B1/406 , H04W88/06
摘要： A radio transceiver is disclosed. It comprises a first transceiver circuit and a second transceiver circuit, the latter requiring an LO signal having higher LO frequency than the former. It further comprises a frequency synthesizer comprising a first clock-signal generator adapted to generate the LO signal for the first transceiver circuit based on a first reference oscillation signal and a second clock-signal generator adapted to generate the LO signal for the second transceiver circuit based on a second reference oscillation signal, which is or is derived from the LO signal for the first transceiver circuit. A radio communication apparatus comprising the radio transceiver is also disclosed.
摘要翻译：公开了一种无线电收发器。它包括第一收发器电路和第二收发器电路，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，其包括第一时钟信号发生器，其适于基于第一参考振荡信号产生用于第一收发器电路的LO信号，以及适于基于第二收发器电路生成LO信号的第二时钟信号发生器在第二参考振荡信号上，该第二参考振荡信号是或从第一收发器电路的LO信号导出的。还公开了包括无线电收发器的无线电通信装置。

7. 发明申请

US20160126893A1 QUADRATURE MIXER ARRANGEMENT 有权
标题翻译：平衡混合器安排
公开(公告)号：US20160126893A1
公开(公告)日：2016-05-05
申请号：US14896390
申请日：2013-06-10
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Lars Sundstrom , Staffan Ek , Jim Svensson
IPC分类号： H03D7/14
CPC分类号： H03D7/14 , H03D3/009 , H03D7/166 , H03D7/18 , H04L27/364 , H04L27/365 , H04L27/3863
摘要： 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.
摘要翻译：公开了正交混频器装置，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，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位混频器，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。

8. 发明申请

US20150070071A1 HARMONIC REJECTION MIXER ARRANGEMENT 有权
标题翻译：谐波抑制混频器布置
公开(公告)号：US20150070071A1
公开(公告)日：2015-03-12
申请号：US14394956
申请日：2013-04-03
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Martin Andersson , Lars Sundstrom
IPC分类号： H03D7/14
CPC分类号： H03D7/1491 , H03D7/1458 , H03D7/1466 , H03D7/1475 , H03D7/165 , H03D2200/0086
摘要： 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.
摘要翻译：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。第一和第二拒绝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。

9. 发明申请

US20130343488A1 Event Handling in a Radio Circuit 有权
标题翻译：无线电电路中的事件处理
公开(公告)号：US20130343488A1
公开(公告)日：2013-12-26
申请号：US13975269
申请日：2013-08-23
申请人： Telefonaktiebolaget L. M Ericsson (publ)
发明人： Thomas Olsson , Lars Sundstrom
IPC分类号： H04L25/02
CPC分类号： H04L25/02 , G06F9/4881 , H04B1/40
摘要： A radio circuit comprises an interface unit for communicating data and commands over a communication link between a digital baseband circuit and the radio circuit. Furthermore, the radio circuit comprises an event-scheduling unit, a local time-reference unit, a synchronization unit, and an execution-control unit. The event-scheduling unit is arranged to receive event-request commands specifying an event to be executed in the radio circuit and a time instant at which the specified event is to be executed, from the digital baseband circuit. Furthermore, the event-scheduling unit is arranged to, in response to receiving an event request-command, schedule the specified event to be executed on the specified time instant. The execution-control unit is arranged to issue execution of each scheduled event at the scheduled time instant based on time information from the local time reference unit. The local time-reference unit is synchronized with a time-reference unit in the digital baseband circuit in response to a synchronization command, from the synchronization unit.
摘要翻译：无线电电路包括用于通过数字基带电路和无线电电路之间的通信链路传送数据和命令的接口单元。此外，无线电电路包括事件调度单元，本地时基参考单元，同步单元和执行控制单元。事件调度单元被配置为从数字基带电路接收指定要在无线电电路中执行的事件的事件请求命令和要执行指定事件的时刻。此外，事件调度单元被配置为响应于接收到事件请求命令，在指定的时刻调度要执行的指定事件。执行控制单元被配置为基于来自本地时间基准单元的时间信息在预定时刻发布每个调度事件的执行。响应于来自同步单元的同步命令，本地时基参考单元与数字基带电路中的时基参考单元同步。

10. 发明授权

US09729263B2 Radio transceiver 有权
公开(公告)号：US09729263B2
公开(公告)日：2017-08-08
申请号：US14432597
申请日：2013-10-02
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Lars Sundstrom , Sven Mattison , Anders Wallen
IPC分类号： H04B1/52 , H04J4/00 , H04B1/3805 , H04L5/26 , H04W72/04 , H04W76/02
CPC分类号： H04J4/00 , H04B1/3805 , H04B1/52 , H04L5/26 , H04W72/0453 , H04W76/14
摘要： A radio transceiver circuit for FDD communication is disclosed. It comprises a transmitter for FDD signal transmission in a first frequency band, a first receiver for FDD signal reception in a second frequency band, separate from the first frequency band, and a duplexer. An output port of the transmitter is operatively connected to a first port of the duplexer for transmitting, through the duplexer, signals in said first frequency band. An input port of the first receiver is operatively connected to a second port of the duplexer for receiving, through the duplexer, signals in said second frequency band. The radio transceiver circuit comprises a second receiver, separate from the first receiver, for reception in said first frequency band. An input port of the second receiver is operatively connected to said first port of the duplexer for receiving, through the duplexer, signals in said first frequency band. A related radio communication apparatus is also disclosed.

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