公开(公告)号：US20160065254A1

公开(公告)日：2016-03-03

申请号：US14835111

申请日：2015-08-25

申请人： Electronics and Telecommunications Research Institute

发明人： Mi-Jeong PARK ,  Mun-Yang PARK ,  Dong-Woo KANG ,  Jang-Hong CHOI

IPC分类号： H04B1/04 ,  H04B17/13

CPC分类号： H04B1/0475 ,  H03F1/3223 ,  H03F3/24 ,  H04B1/0028 ,  H04B2001/0416 ,  H04B2001/0441 ,  H04W52/346 ,  H04W52/52

摘要： Exemplary embodiments of the present invention relate to an RF transmitter supporting carrier aggregation and envelope tracking and an RF transmitter according to an embodiment of the present invention comprises an RF path configured to convert a carrier aggregation signal in which a plurality of component carriers belonging to a baseband are aggregated into an RF signal; an ET path configured to generate an envelope signal by calculating magnitudes of the plurality of component carriers, respectively, and adding the calculated each magnitude of the component carriers; and an amplifier configured to power-amplify the converted RF signal according to a bias voltage corresponding to the generated envelope signal. According to exemplary embodiments of the present invention, power amplification efficiency and data transmission efficiency are improved by applying carrier aggregation and envelope tracking.

摘要翻译： 本发明的示例性实施例涉及一种支持载波聚合和包络跟踪的RF发射机，以及根据本发明实施例的RF发射机，包括：RF路径，被配置为转换载波聚合信号，其中属于 基带被聚合成RF信号; ET路径，其被配置为通过分别计算所述多个分量载波的幅度并且分别计算所述分量载波的每个幅度来生成包络信号; 以及放大器，被配置为根据与所生成的包络信号相对应的偏置电压对转换的RF信号进行功率放大。 根据本发明的示例性实施例，通过应用载波聚合和包络跟踪来提高功率放大效率和数据传输效率。

公开(公告)号：US20160233838A1

公开(公告)日：2016-08-11

申请号：US15003669

申请日：2016-01-21

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

发明人： Min PARK ,  Baek-Hyun KIM ,  Cheon-Soo KIM ,  Song-Cheol HONG ,  Dong-Woo KANG ,  Jang-Hong CHOI

IPC分类号： H03F1/42 ,  H03F1/02 ,  H03F3/21 ,  H03F1/56 ,  H03F3/193

CPC分类号： H03F1/42 ,  H03F1/0277 ,  H03F1/56 ,  H03F3/193 ,  H03F3/245 ,  H03F3/45188 ,  H03F3/72 ,  H03F2200/111 ,  H03F2200/451 ,  H03F2200/555 ,  H03F2203/45056 ,  H03F2203/7209

摘要： Provided is a power amplifier installed in wireless communication terminals and systems. According to one aspect of the present invention, a reconfigurable power amplifier capable of selecting a wide band frequency is provided. The reconfigurable power amplifier includes input transistors receiving a radio frequency (RF) signal and a reconfigurable adaptive power cell configured to select the wide band frequency by applying a common-gate bias voltage to a plurality of common-gate transistors with a plurality of separate common gates to amplify the RF signal.

摘要翻译： 提供了一种安装在无线通信终端和系统中的功率放大器。 根据本发明的一个方面，提供了能够选择宽带频率的可重构功率放大器。 可重构功率放大器包括接收射频（RF）信号的输入晶体管和可配置的自适应功率单元，该可配置自适应功率单元被配置为通过向具有多个单独公共端的多个公共栅极晶体管施加公共栅极偏置电压来选择宽带频率 门放大射频信号。