公开(公告)号：US20170302358A1

公开(公告)日：2017-10-19

申请号：US15638215

申请日：2017-06-29

Applicant: QUALCOMM Incorporated

Inventor： Lai Kan LEUNG ,  Chiewcharn NARATHONG ,  Rajagopalan RANGARAJAN ,  Dongling PAN ,  Yiwu TANG ,  Aleksandar Miodrag TASIC

IPC: H04B7/08 ,  H04B1/00 ,  H04B1/16 ,  H04L27/152

CPC classification number: H04B7/0897 ,  H04B1/0082 ,  H04B1/16 ,  H04L27/152

Abstract: Certain aspects of the present disclosure provide multi-way diversity receivers with multiple synthesizers. Such a multi-way diversity receiver may be implemented in a carrier aggregation (CA) transceiver. One example wireless reception diversity circuit generally includes three or more receive paths for processing received signals and two or more frequency synthesizing circuits configured to generate local oscillating signals to downconvert the received signals. Each of the frequency synthesizing circuits is shared by at most two of the receive paths, and each pair of the frequency synthesizing circuits may generate a pair of local oscillating signals having the same frequency.

公开(公告)号：US20150333761A1

公开(公告)日：2015-11-19

申请号：US14704573

申请日：2015-05-05

Applicant: Qualcomm Incorporated

Inventor： Lai Kan LEUNG ,  Chiewcharn NARATHONG ,  Rajagopalan RANGARAJAN ,  Dongling PAN ,  Yiwu TANG ,  Aleksandar Miodrag TASIC

IPC: H03L7/24

CPC classification number: H04B1/1081 ,  H03B2202/044 ,  H03B2202/046 ,  H04B1/005 ,  H04B1/0475 ,  H04B1/0483 ,  H04B1/525 ,  H04B15/06 ,  H04B2001/0491

Abstract: Aspects of a wireless apparatus for configuring a plurality of VCOs are provided. The apparatus may be a UE. The UE receives a configuration for a plurality of carriers. Each carrier corresponds to a different LO frequency. In addition, the UE determines a VCO frequency for generating each LO frequency. Further, the UE assigns each determined VCO frequency to each of a plurality of VCO modules based on a distance between the VCO modules and each of the determined VCO frequencies. The plurality of VCO modules are of a set of VCO modules including at least three VCO modules.

Abstract translation: 提供了用于配置多个VCO的无线设备的方面。 该装置可以是UE。 UE接收多个载波的配置。 每个载波对应于不同的LO频率。 此外，UE确定用于产生每个LO频率的VCO频率。 此外，UE基于VCO模块之间的距离和所确定的VCO频率中的每一个来将每个确定的VCO频率分配给多个VCO模块中的每一个。 多个VCO模块是包括至少三个VCO模块的一组VCO模块。

公开(公告)号：US20160373075A1

公开(公告)日：2016-12-22

申请号：US15250642

申请日：2016-08-29

Applicant: QUALCOMM Incorporated

Inventor： Chuan WANG ,  Dongling PAN ,  Wing Fat Andy LAU ,  Jorge Andres GARCIA ,  David Zixiang YANG

IPC: H03F3/195 ,  H03F3/21 ,  H04B1/00 ,  H03F1/56

CPC classification number: H03F3/195 ,  H03F1/0205 ,  H03F1/26 ,  H03F1/56 ,  H03F3/19 ,  H03F3/211 ,  H03F2200/294 ,  H03F2200/451 ,  H03F2200/541 ,  H03F2203/21109 ,  H04B1/005

Abstract: An apparatus including: a plurality of amplifiers having a plurality of output ports, respectively, the plurality of amplifiers configured to amplify radio frequency (RF) signals received from at least one antenna; a plurality of demodulators configured to receive the amplified RF signals at a plurality of input ports, respectively, the plurality of demodulators configured to downconvert the received RF signals; and a plurality of switches configured to couple selected output ports of the plurality of amplifiers to selected input ports of the plurality of demodulators, wherein each switch of the plurality of switches is configured such that at least one of the plurality of output ports of the plurality of amplifiers is selectively coupled to any of multiple input ports of the plurality of input ports of the plurality of demodulators.

Abstract translation: 一种装置，包括：分别具有多个输出端口的多个放大器，所述多个放大器被配置为放大从至少一个天线接收的射频（RF）信号; 多个解调器，被配置为分别在多个输入端口处接收放大的RF信号，所述多个解调器被配置为对所接收的RF信号进行下变频; 以及多个开关，其被配置为将所述多个放大器的选择的输出端口耦合到所述多个解调器中的选择的输入端口，其中所述多个开关中的每个开关被配置为使得所述多个输出端口中的至少一个输出端口 放大器选择性地耦合到多个解调器的多个输入端口的多个输入端口中的任一个。

公开(公告)号：US20150334710A1

公开(公告)日：2015-11-19

申请号：US14636591

申请日：2015-03-03

Applicant: QUALCOMM Incorporated

Inventor： Yiwu TANG ,  Rajagopalan RANGARAJAN ,  Chiewcharn NARATHONG ,  Lai Kan LEUNG ,  Aleksandar Miodrag TASIC ,  Dongling PAN

IPC: H04W72/04 ,  H04B1/16 ,  H04L5/00

CPC classification number: H04W72/0453 ,  H04B1/16 ,  H04B1/30 ,  H04B1/38 ,  H04L5/001 ,  H04L5/003 ,  H04L27/2647

Abstract: Certain aspects of the present disclosure provide methods and apparatus for dynamically adjusting a voltage-controlled oscillator (VCO) frequency, a local oscillator (LO) divider ratio, and/or a receive path when adding or discontinuing reception of a component carrier (CC) in a carrier aggregation (CA) scheme. This dynamic adjustment is utilized to avoid (or at least reduce) VCO, LO, and transmit signal coupling issues with multiple component carriers, with minimal (or at least reduced) current consumption by the VCO and the LO divider.

Abstract translation: 本公开的某些方面提供了当添加或停止分量载波（CC）的接收时动态地调整压控振荡器（VCO）频率，本地振荡器（LO）分频器比率和/或接收路径的方法和装置， 在载波聚合（CA）方案中。 利用VCO和LO分频器的最小（或至少降低）的电流消耗，利用该动态调整来避免（或至少降低）VCO，LO和发送与多个分量载波的信号耦合问题。

公开(公告)号：US20250038752A1

公开(公告)日：2025-01-30

申请号：US18783547

申请日：2024-07-25

Applicant: QUALCOMM Incorporated

Inventor： Jang Joon LEE ,  Aleksandar Miodrag TASIC ,  Prakash THOPPAY EGAMBARAM ,  Kyle David HOLLAND ,  Chih-Fan LIAO ,  Tomas O'SULLIVAN ,  Dhon-Gue LEE ,  Dongling PAN ,  Chirag Dipak PATEL ,  Yangchuan CHEN

IPC: H03L7/099 ,  H03L7/10

Abstract: Certain aspects of the present disclosure are directed towards apparatus and techniques for receiver calibration. An example apparatus generally includes: a first receiver having a first oscillating signal generation circuit, an output of the first oscillating signal generation circuit being coupled to an input of a first splitter, wherein the first splitter has multiple outputs; a second receiver having a second oscillating signal generation circuit coupled to an LO input of each of a first plurality of mixers of the second receiver; and signal paths between the multiple outputs of the first splitter and signal inputs of the first plurality of mixers, respectively.

公开(公告)号：US20170201408A1

公开(公告)日：2017-07-13

申请号：US15176105

申请日：2016-06-07

Applicant: QUALCOMM Incorporated

Inventor： Yunfei FENG ,  Chuan WANG ,  Dongling PAN ,  Chiewcharn NARATHONG

IPC: H04L27/26 ,  H03F3/195 ,  H03F3/24 ,  H04L5/00 ,  H03F3/193

CPC classification number: H04L27/2691 ,  H03F3/193 ,  H03F3/195 ,  H03F3/245 ,  H03F2200/171 ,  H03F2200/255 ,  H03F2200/294 ,  H03F2200/451 ,  H03F2200/534 ,  H04B1/401 ,  H04L5/0041

Abstract: Wireless receivers are configured to support carrier aggregation. A device may include at least one low-noise amplifier (LNA). The device may also include a first input path configured to convey a first signal to a first input of the at least one LNA(s), and a second input path configured to convey a second signal to a second input of the LNA(s). Further, the device may include a transformer configured to inductively couple the first input path to the second input path.

公开(公告)号：US20150333815A1

公开(公告)日：2015-11-19

申请号：US14677056

申请日：2015-04-02

Applicant: QUALCOMM Incorporated

Inventor： Lai Kan LEUNG ,  Chiewcharn NARATHONG ,  Rajagopalan RANGARAJAN ,  Dongling PAN ,  Yiwu TANG ,  Aleksandar Miodrag TASIC

IPC: H04B7/08 ,  H04L27/152 ,  H04B1/16

CPC classification number: H04B7/0897 ,  H04B1/0082 ,  H04B1/16 ,  H04L27/152

Abstract: Certain aspects of the present disclosure provide multi-way diversity receivers with multiple synthesizers. Such a multi-way diversity receiver may be implemented in a carrier aggregation (CA) transceiver. One example wireless reception diversity circuit generally includes three or more receive paths for processing received signals and two or more frequency synthesizing circuits configured to generate local oscillating signals to downconvert the received signals. Each of the frequency synthesizing circuits is shared by at most two of the receive paths, and each pair of the frequency synthesizing circuits may generate a pair of local oscillating signals having the same frequency.

Abstract translation: 本公开的某些方面提供具有多个合成器的多路分集接收机。 这种多路分集接收机可以在载波聚合（CA）收发机中实现。 一个示例性的无线接收分集电路通常包括用于处理接收信号的三个或更多个接收路径和被配置为产生本地振荡信号以下变频接收信号的两个或多个频率合成电路。 每个频率合成电路由至多两个接收路径共享，并且每对频率合成电路可以产生具有相同频率的一对本地振荡信号。