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1. 发明授权

US10200079B2 Transceiver arrangement and communication device 有权
公开(公告)号：US10200079B2
公开(公告)日：2019-02-05
申请号：US14654655
申请日：2015-01-20
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Imad ud Din , Stefan Andersson , Chunyun Jian
IPC分类号： H04B1/525 , H04B1/10 , H04B1/12 , H04B17/336 , H04W88/08
摘要： A transceiver arrangement comprises a receiver arranged for frequency-division duplex communication; a transmitter arranged for frequency-division duplex communication; a transmission port for connecting to an antenna; a balancing impedance circuit arranged to provide an impedance arranged to mimic the impedance at the transmission port; and a filtering arrangement, which comprises filters of a first type and filters of a second type, connecting the receiver, transmitter, transmission port and balancing impedance circuit. The filters of the first type are arranged to pass signals at transmitter frequency and attenuate signals at receiver frequency and are connected between the transmitter and the transmission port and between the receiver and the balancing impedance circuit. The filters of the second type are arranged to attenuate signals at transmitter frequency and pass signals at receiver frequency and are connected between the transmitter and the balancing impedance circuit and between the receiver and the transmission port. A communication device is also disclosed.

2. 发明申请

US20160294436A1 Transceiver Arrangement and Communication Device 审中-公开
标题翻译：收发机布置和通信设备
公开(公告)号：US20160294436A1
公开(公告)日：2016-10-06
申请号：US14654655
申请日：2015-01-20
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
发明人： Imad ud Din , Stefan Andersson , Chunyun Jian
IPC分类号： H04B1/525 , H04B17/336 , H04B1/10
CPC分类号： H04B1/525 , H04B1/10 , H04B1/109 , H04B1/123 , H04B17/336 , H04W88/08
摘要： A transceiver arrangement comprises a receiver arranged for frequency-division duplex communication; a transmitter arranged for frequency-division duplex communication; a transmission port for connecting to an antenna; a balancing impedance circuit arranged to provide an impedance arranged to mimic the impedance at the transmission port; and a filtering arrangement, which comprises filters of a first type and filters of a second type, connecting the receiver, transmitter, transmission port and balancing impedance circuit. The filters of the first type are arranged to pass signals at transmitter frequency and attenuate signals at receiver frequency and are connected between the transmitter and the transmission port and between the receiver and the balancing impedance circuit. The filters of the second type are arranged to attenuate signals at transmitter frequency and pass signals at receiver frequency and are connected between the transmitter and the balancing impedance circuit and between the receiver and the transmission port. A communication device is also disclosed.
摘要翻译：收发器装置包括布置用于频分双工通信的接收机; 布置用于频分双工通信的发射机; 用于连接到天线的传输端口; 平衡阻抗电路，被布置成提供阻抗以配置以模拟所述传输端口处的阻抗; 以及滤波装置，其包括第一类型的滤波器和第二类型的滤波器，连接接收器，发射器，传输端口和平衡阻抗电路。第一类型的滤波器被布置成以发射机频率传递信号并以接收机频率衰减信号，并且连接在发射机和传输端口之间以及接收机和平衡阻抗电路之间。第二类型的滤波器被布置成以发射机频率衰减信号并且以接收机频率通过信号，并且连接在发射机和平衡阻抗电路之间以及接收机和传输端口之间。还公开了通信设备。

3. 发明申请

US20160043767A1 Transmitter Receiver Leakage Reduction In A Full Duplex System Without The Use Of A Duplexer 有权
标题翻译：发射机接收机在不使用双工器的全双工系统中的泄漏减少
公开(公告)号：US20160043767A1
公开(公告)日：2016-02-11
申请号：US14774296
申请日：2013-03-14
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
发明人： Stefan Andersson , Imad ud Din , Daniel Eckerbert , Henrik Sjöland , Johan Wernehag
IPC分类号： H04B1/44 , H04B1/12 , H04L5/14
CPC分类号： H04B1/44 , H04B1/123 , H04B1/525 , H04L5/14
摘要： A transceiver suitable for frequency duplex division communication is disclosed. The transceiver comprises a transmitter, wherein the transmitter comprises a power amplifier; a receiver; an auxiliary power amplifier which is arranged to provide a controllable phase shift and gain output; a first filter arranged at an output of the power amplifier arranged to attenuate frequencies at a receiving frequency of the receiver; a second filter arrangement at an output of the auxiliary power amplifier arranged to attenuate frequencies at a receiving frequency of the receiver; and a signal transmission arrangement. The signal transmission arrangement is arranged to transmit signals provided from the transmitter through its power amplifier to a radio frequency, RF, connecting point, receive signals from the RF connecting point and provide the signals to the receiver, and provide signals from the auxiliary amplifier towards an input of the receiver. The transceiver also comprises a controller, wherein the controller is arranged to control the auxiliary power amplifier output to provide a signal that has a phase and amplitude in relation to the output of the power amplifier of the transmitter such that the transmitter contribution to the signal at the input of the receiver is suppressed. A method of controlling the transceiver, a communication device and computer program are also disclosed.
摘要翻译：公开了一种适用于双工分频通信的收发器。收发器包括发射机，其中发射机包括功率放大器; 接收器辅助功率放大器，被配置为提供可控的相移和增益输出; 布置在所述功率放大器的输出端处的第一滤波器，被布置为以接收器的接收频率衰减频率; 辅助功率放大器的输出处的第二滤波器装置，被布置为衰减接收机的接收频率处的频率; 和信号传输装置。信号传输装置被布置成将从发射机通过其功率放大器提供的信号传输到射频，RF，连接点，从RF连接点接收信号并将信号提供给接收机，并且向辅助放大器提供信号接收机的输入。收发器还包括控制器，其中控制器被布置成控制辅助功率放大器输出以提供相对于发射机的功率放大器的输出具有相位和幅度的信号，使得发射机对信号的贡献接收机的输入被抑制。还公开了一种控制收发器，通信设备和计算机程序的方法。

4. 发明授权

US10084506B2 Transceiver front-end 有权
公开(公告)号：US10084506B2
公开(公告)日：2018-09-25
申请号：US14440893
申请日：2013-11-07
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Henrik Sjoland , Stefan Andersson , Imad ud Din , Johan Wernehag
IPC分类号： H04B1/48 , H04B1/525
CPC分类号： H04B1/48 , H04B1/525 , H04B2001/485
摘要： A transceiver front-end for a communication device is connectable to a signal transmission and reception arrangement adapted to transmit a transmit signal having a transmit frequency and to receive a receive signal having a receive frequency. The transceiver front-end is also connectable to a transmitter adapted to produce the transmit signal, and to a receiver adapted to process the receive signal. The transceiver front-end comprises a transmit frequency suppression filter arrangement and a receive frequency suppression filter arrangement. The transmit frequency suppression filter arrangement is adapted to suppress transfer of a signal having the transmit frequency and to pass a signal having the receive frequency. The receive frequency suppression filter arrangement is adapted to suppress transfer of a signal having the receive frequency and to pass a signal having the transmit frequency. The transceiver front-end also comprises a transmit frequency cancellation arrangement and a receive frequency cancellation arrangement. The transmit frequency cancellation arrangement is adapted to produce a first cancellation signal for cancellation, at receiver nodes, of a suppressed signal having the transmit frequency, transferred by the transmit frequency suppression filter arrangement. The receive frequency cancellation arrangement is adapted to produce a second cancellation signal for cancellation, at signal transmission and reception arrangement nodes of a suppressed signal having the receive frequency, transferred by the receive frequency suppression filter arrangement. Corresponding transceiver, communication device and method are also disclosed.

5. 发明授权

US10027465B2 Transceiver arrangement, communication device, method and computer program 有权
公开(公告)号：US10027465B2
公开(公告)日：2018-07-17
申请号：US14785898
申请日：2013-04-26
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Henrik Sjöland , Stefan Andersson , Johan Wernehag
IPC分类号： H01P5/12 , H04L5/14 , H04B1/525
CPC分类号： H04L5/14 , H04B1/525
摘要： A transceiver arrangement comprises a receiver arranged for frequency-division duplex communication with a communication network; a transmitter arranged for frequency-division duplex communication with the communication network; an transmission port for connecting to an antenna; a balancing impedance circuit arranged to provide an adaptive impedance arranged to mimic the impedance at the transmission port; and a filtering arrangement, which comprises filters of a first type and filters of a second type, connecting the receiver, transmitter, transmission port and balancing impedance circuit. The filters of the first type are arranged to pass signals at transmitter frequency and attenuate signals at receiver frequency and are connected between the transmitter and the transmission port and between the receiver and the balancing impedance circuit. The filters of the second type are arranged to attenuate signals at transmitter frequency and pass signals at receiver frequency and are connected between the transmitter and the balancing impedance circuit and between the receiver and the transmission port. A communication device, a method of operating the transceiver, and a computer program are also disclosed.

6. 发明授权

US09344139B2 Transceiver, method, computer program and communication device 有权
标题翻译：收发器，方法，计算机程序和通信设备
公开(公告)号：US09344139B2
公开(公告)日：2016-05-17
申请号：US14373419
申请日：2013-01-25
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Henrik Sjoland , Stefan Andersson , Imad ud Din , Johan Wernehag
IPC分类号： H04B1/38 , H04B1/40 , H04B1/525
CPC分类号： H04B1/40 , H04B1/525
摘要： A transceiver is disclosed comprising a transmitter; a receiver; and a signal transmission arrangement. The transmitter comprises a power amplifier, and the signal transmission arrangement is arranged to transmit signals provided from the transmitter through its power amplifier, and arranged to receive signals and provide them to the receiver. The transceiver further comprises an auxiliary power amplifier which has controllable phase shift and gain; a first impedance element; a second impedance element; and a controller. The auxiliary power amplifier has its input connected to the input of the power amplifier of the transmitter, the first impedance element is connected between an output of the auxiliary power amplifier and an input of the receiver, the second impedance element is connected between an output of the power amplifier of the transmitter and the input of the receiver, and the controller is arranged to control the auxiliary power amplifier to provide a signal that has a phase and amplitude in relation to the output of the power amplifier of the transmitter and the impedances of the first and second impedance elements such that the transmitter contribution at the input of the receiver is suppressed. A method, computer program and communication device is also disclosed.
摘要翻译：公开了一种收发器，包括发射机; 接收器和信号传输装置。发射机包括功率放大器，并且信号传输装置被布置为通过其功率放大器传送从发射机提供的信号，并且被布置成接收信号并将其提供给接收机。收发器还包括具有可控相移和增益的辅助功率放大器; 第一阻抗元件; 第二阻抗元件; 和控制器。辅助功率放大器的输入端连接到发射机的功率放大器的输入端，第一阻抗元件连接在辅助功率放大器的输出端和接收器的输入端之间，第二阻抗元件连接在发射器的功率放大器和接收器的输入端，并且控制器被布置成控制辅助功率放大器以提供相对于发射机的功率放大器的输出具有相位和幅度的信号，第一和第二阻抗元件使得在接收器的输入处的发射器贡献被抑制。还公开了一种方法，计算机程序和通信设备。

7. 发明申请

US20150303981A1 TRANSCEIVER FRONT-END 审中-公开
标题翻译：收发器前端
公开(公告)号：US20150303981A1
公开(公告)日：2015-10-22
申请号：US14440893
申请日：2013-11-07
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
发明人： Henrik Sjoland , Stefan Andersson , Imad ud Din , Johan Wernehag
IPC分类号： H04B1/48
CPC分类号： H04B1/48 , H04B1/525 , H04B2001/485
摘要： A transceiver front-end for a communication device is connectable to a signal transmission and reception arrangement adapted to transmit a transmit signal having a transmit frequency and to receive a receive signal having a receive frequency. The transceiver front-end is also connectable to a transmitter adapted to produce the transmit signal, and to a receiver adapted to process the receive signal. The transceiver front-end comprises a transmit frequency suppression filter arrangement and a receive frequency suppression filter arrangement. The transmit frequency suppression filter arrangement is adapted to suppress transfer of a signal having the transmit frequency and to pass a signal having the receive frequency. The receive frequency suppression filter arrangement is adapted to suppress transfer of a signal having the receive frequency and to pass a signal having the transmit frequency. The transceiver front-end also comprises a transmit frequency cancellation arrangement and a receive frequency cancellation arrangement. The transmit frequency cancellation arrangement is adapted to produce a first cancellation signal for cancellation, at receiver nodes, of a suppressed signal having the transmit frequency, transferred by the transmit frequency suppression filter arrangement. The receive frequency cancellation arrangement is adapted to produce a second cancellation signal for cancellation, at signal transmission and reception arrangement nodes of a suppressed signal having the receive frequency, transferred by the receive frequency suppression filter arrangement. Corresponding transceiver, communication device and method are also disclosed.
摘要翻译：用于通信设备的收发器前端可连接到适于发送具有发射频率的发射信号并且接收具有接收频率的接收信号的信号发射和接收装置。收发器前端还可连接到适于产生发射信号的发射机，以及适于处理接收信号的接收机。收发器前端包括发射频率抑制滤波器装置和接收频率抑制滤波器装置。发射频率抑制滤波器装置适于抑制具有发射频率的信号的传送并且传递具有接收频率的信号。接收频率抑制滤波器装置适于抑制具有接收频率的信号的传送并且传递具有发射频率的信号。收发器前端还包括发射频率消除装置和接收频率消除装置。发射频率消除装置适于产生用于在接收机节点消除由发射频率抑制滤波器装置传送的具有发射频率的抑制信号的第一抵消信号。接收频率消除装置适于产生用于消除由接收频率抑制滤波器装置传送的具有接收频率的抑制信号的信号发射和接收装置节点处的第二抵消信号。还公开了相应的收发器，通信设备和方法。

8. 发明授权

US09923593B2 Transmitter receiver leakage reduction in a full duplex system without the use of a duplexer 有权
公开(公告)号：US09923593B2
公开(公告)日：2018-03-20
申请号：US14774296
申请日：2013-03-14
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Stefan Andersson , Imad ud Din , Daniel Eckerbert , Henrik Sjöland , Johan Wernehag
IPC分类号： H04L5/14 , H04B1/44 , H04B1/525 , H04B1/12
CPC分类号： H04B1/44 , H04B1/123 , H04B1/525 , H04L5/14
摘要： A transceiver suitable for frequency duplex division communication is disclosed. The transceiver comprises a transmitter, wherein the transmitter comprises a power amplifier; a receiver; an auxiliary power amplifier which is arranged to provide a controllable phase shift and gain output; a first filter arranged at an output of the power amplifier arranged to attenuate frequencies at a receiving frequency of the receiver; a second filter arrangement at an output of the auxiliary power amplifier arranged to attenuate frequencies at a receiving frequency of the receiver; and a signal transmission arrangement. The signal transmission arrangement is arranged to transmit signals provided from the transmitter through its power amplifier to a radio frequency, RF, connecting point, receive signals from the RF connecting point and provide the signals to the receiver, and provide signals from the auxiliary amplifier towards an input of the receiver. The transceiver also comprises a controller, wherein the controller is arranged to control the auxiliary power amplifier output to provide a signal that has a phase and amplitude in relation to the output of the power amplifier of the transmitter such that the transmitter contribution to the signal at the input of the receiver is suppressed. A method of controlling the transceiver, a communication device and computer program are also disclosed.

9. 发明授权

US09312818B2 Low-noise amplifier 有权
标题翻译：低噪声放大器
公开(公告)号：US09312818B2
公开(公告)日：2016-04-12
申请号：US14375127
申请日：2013-01-25
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Sven Mattisson , Stefan Andersson
IPC分类号： H03F1/34 , H03F1/30 , H03F1/26 , H03F3/195 , H03F1/56 , H03F3/185
CPC分类号： H03F1/301 , H03F1/26 , H03F1/342 , H03F1/565 , H03F3/185 , H03F3/195 , H03F2200/129 , H03F2200/294 , H03F2200/384 , H03F2200/75
摘要： A common source or common emitter LNA circuit for amplifying signals at an operating frequency f in a receiver circuit is disclosed. The LNA circuit comprises an input transistor arranged to, in operation, be biased to have a transconductance gm at the operating frequency f, and having a first terminal, which is a gate or base terminal, operatively connected to an input terminal of the LNA circuit. The LNA circuit further comprises a shunt-feedback capacitor operatively connected between the first terminal of the input transistor and a second terminal, which is a drain or collector terminal, of the input transistor. Furthermore, the LNA circuit comprises an output capacitor operatively connected between the second terminal of the input transistor and an output terminal of the LNA circuit. The output capacitor has a capacitance value CL
摘要翻译：公开了一种用于在接收机电路中以工作频率f放大信号的公共源极或公共发射极LNA电路。 LNA电路包括输入晶体管，其被设置为在操作中被偏置为具有工作频率f处的跨导gm，并且具有可操作地连接到LNA电路的输入端的第一端子，其是栅极或基极端子。 LNA电路还包括可操作地连接在输入晶体管的第一端子和作为输入晶体管的漏极或集电极端子的第二端子之间的并联反馈电容器。此外，LNA电路包括可操作地连接在输入晶体管的第二端子和LNA电路的输出端子之间的输出电容器。输出电容器具有电容值CL

10. 发明授权

US09871552B2 Transceiver arrangement, communication device, method and computer program 有权
公开(公告)号：US09871552B2
公开(公告)日：2018-01-16
申请号：US14785908
申请日：2013-04-30
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Imad ud Din , Stefan Andersson , Daniel Eckerbert , Henrik Sjöland , Johan Wernehag
IPC分类号： H04L5/14 , H04B1/40 , H04L5/16 , H04B1/04 , H04B1/18 , H04B1/525
CPC分类号： H04B1/40 , H04B1/0458 , H04B1/18 , H04B1/525 , H04L5/14 , H04L5/16
摘要： A transceiver arrangement comprises a receiver arranged for frequency-division duplex communication with a communication network; a transmitter arranged for frequency-division duplex communication with the communication network; a transmission port for connecting to an antenna or wire; a first filter connected between an output of the transmitter and the transmission port and arranged to pass signals at transmitter frequency and attenuate signals at receiver frequency; a transformer having a primary winding and a secondary winding, wherein the primary winding has one of its terminals connected to the transmission port; a second filter connected between another of the terminals of the primary winding and a reference voltage and arranged to attenuate signals at transmitter frequency and pass signals at receiver frequency; and an adaptive impedance circuit arranged to provide an adjustable resistance, connected between the output of the transmitter and the junction between the second filter and the another of the terminals of the primary winding, and arranged to provide a contribution from the transmitter to the primary winding such that a common-mode rejection of a contribution from the transmitter provided at the transmission port occurs at receive frequency. A communication device, a method of controlling a transceiver arrangement, and a computer program are also disclosed.

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