公开(公告)号：US20200266791A1

公开(公告)日：2020-08-20

申请号：US16275574

申请日：2019-02-14

Applicant: QUALCOMM Incorporated

Inventor： Haitao CHENG ,  Yanming XIAO ,  Wu-Hsin CHEN ,  Li LIU ,  Masoud MOSLEHI BAJESTAN

IPC: H03H7/01

Abstract: A low-pass filter having a notch frequency due to a resonance between a mutual inductance of inductive elements and a capacitance. An exemplary low-pass filter generally includes a first inductive element having a first terminal and a second terminal, the first terminal being coupled to the input port, and a second inductive element having a first terminal and a second terminal, the first terminal of the second inductive element being coupled to the second terminal of the first inductive element and the second terminal of the second inductive element being coupled to the output port. The filter also includes a shunt capacitive element coupled to the second terminal of the first inductive element, wherein a mutual inductance between the first inductive element and the second inductive element and a capacitance of the shunt capacitive element are configured to have a resonance providing a notch frequency for the low-pass filter.

公开(公告)号：US20240204806A1

公开(公告)日：2024-06-20

申请号：US18082668

申请日：2022-12-16

Applicant: QUALCOMM INCORPORATED

Inventor： Yunfei FENG ,  Li LIU ,  Wu-Hsin CHEN ,  Abdellatif BELLAOUAR ,  Chuan WANG ,  Vinod PANIKKATH ,  Gurkanwal Singh SAHOTA ,  Kang YANG ,  Shrenik PATEL

IPC: H04B1/00 ,  H01Q3/28 ,  H01Q3/36 ,  H04B7/0413 ,  H04W56/00

CPC classification number: H04B1/0064 ,  H01Q3/28 ,  H01Q3/36 ,  H04B7/0413 ,  H04W56/005

Abstract: A radio system architecture includes a receiver having multiple sub arrays in a phased array, the multiple sub arrays configured to perform carrier aggregation (CA) and multiple input multiple output (MIMO) signal processing, and provide independent beam management for multiple radio frequency (RF) signals received at each of the multiple sub arrays, and a data processor configured to receive signals from the receiver and extract information regarding wireless communications.

公开(公告)号：US20240106463A1

公开(公告)日：2024-03-28

申请号：US17934784

申请日：2022-09-23

Applicant: QUALCOMM Incorporated

Inventor： Wu-Hsin CHEN ,  Yunfei FENG ,  Vinod PANIKKATH ,  Li LIU ,  Sher Jiun FANG

IPC: H04B1/00 ,  H03H7/01 ,  H04B1/10

CPC classification number: H04B1/0057 ,  H03H7/0115 ,  H03H7/0153 ,  H03H7/1766 ,  H04B1/1036

Abstract: Aspects of the disclosure relate to wireless communication apparatuses, methods, and other aspects of sliding intermediate frequency filters for carrier aggregation communications. One aspect a high band mixer including a radio frequency (RF) receive signal input, a local oscillator (LO) input, and an IF signal output, a tunable high pass filter including an input and an output, an intermediate frequency (IF) received signal multiplexer including a merged IF CA signal output, a first input, and a second input, an LO input, and an IF signal output, where the RF receive signal input is coupled to the low band mmW CA receive port, and a tunable low pass filter including an input and an output, where the input is coupled to the IF signal output of the low band mixer, and where the output is coupled to the second input of the IF received signal multiplexer.

公开(公告)号：US20230073019A1

公开(公告)日：2023-03-09

申请号：US17470191

申请日：2021-09-09

Applicant: QUALCOMM Incorporated

Inventor： Mohamed ABOUZIED ,  Vinod PANIKKATH ,  Li LIU ,  Chuan WANG

IPC: H03F3/45 ,  H04B1/40

Abstract: An aspect relates to an apparatus including a radio frequency (RF) signal power detector. The RF signal power detector includes a first current source configured to generate a first current based on a power level of a first RF signal; a transimpedance amplifier (TIA) configured to generate a first voltage based on the first current, wherein the TIA is coupled between a first upper voltage rail and a lower voltage rail; and a second current source configured to generate a second current related to the first current, wherein the first and second current sources are coupled in series between a second upper voltage rail and the lower voltage rail.

公开(公告)号：US20220094075A1

公开(公告)日：2022-03-24

申请号：US17028280

申请日：2020-09-22

Applicant: QUALCOMM Incorporated

Inventor： Jeongil Jay KIM ,  Li LIU ,  Kevin Hsi-Huai WANG

IPC: H01Q21/08 ,  H01Q5/307 ,  H01Q9/04 ,  H01Q1/24

Abstract: Techniques are provided for improving the bandwidth of a dual-band antenna in a mobile device. An example wireless device includes at least one radio frequency integrated circuit, and at least one patch antenna array operably coupled to the least one radio frequency integrated circuit, comprising a first rectangular patch including a first side and a second side, wherein a length of the first side is greater than a length of the second side, and a second rectangular patch including a first side and a second side of the same dimensions as the respective first side and the second side of the first rectangular patch, wherein the first side of the second rectangular patch is disposed adjacent and parallel to the second side of the first rectangular patch.

公开(公告)号：US20240222872A1

公开(公告)日：2024-07-04

申请号：US18604590

申请日：2024-03-14

Applicant: QUALCOMM Incorporated

Inventor： Chuan WANG ,  Li LIU ,  Bhushan Shanti ASURI ,  Kevin Hsi-Huai WANG ,  Gurkanwal Singh SAHOTA

IPC: H01Q9/04 ,  H01L23/66 ,  H01Q1/22 ,  H01Q1/24 ,  H01Q1/50 ,  H01Q5/50 ,  H01Q21/28 ,  H01Q23/00

CPC classification number: H01Q9/0442 ,  H01L23/66 ,  H01Q1/2283 ,  H01Q1/243 ,  H01Q1/50 ,  H01Q5/50 ,  H01Q21/28 ,  H01Q23/00 ,  H01L2223/6677

Abstract: Designs and techniques for manufacturing microelectronic antenna tuners are provided. An example microelectronic antenna system includes a radio frequency integrated circuit comprising a plurality of radio frequency signal ports disposed in a first area, a plurality of tuning devices disposed in a second area of the radio frequency integrated circuit, at least one antenna element disposed on a substrate coupled to the radio frequency integrated circuit, and at least one feedline disposed in the substrate and configured to communicatively couple the at least one antenna element, at least one of the plurality of tuning devices, and one of the plurality of radio frequency signal ports.

公开(公告)号：US20240214037A1

公开(公告)日：2024-06-27

申请号：US18069899

申请日：2022-12-21

Applicant: QUALCOMM INCORPORATED

Inventor： Yunfei FENG ,  Li LIU ,  Gurkanwal Singh SAHOTA

IPC: H04B7/0426

CPC classification number: H04B7/0426

Abstract: A receive system for performing carrier aggregation (CA) and multiple input multiple output (MIMO) operation at millimeter wave (mmW) frequencies includes a phased array having a plurality of groupings, each grouping having a pair of sub array structures, each sub array structure having a mixer and a plurality of phased array elements, each phased array element associated with an antenna element, each phased array element having an amplifier (LNA) and a phase shift circuitry, and an amplifier array associated with each grouping, the amplifier array having two pairs of amplifiers, wherein a first amplifier of each pair is coupled to a first port and a second amplifier of each pair is coupled to a second port, the amplifier array configured to selectively route an output from any of the sub array structures of a grouping to either of the first and second ports.

公开(公告)号：US20230283303A1

公开(公告)日：2023-09-07

申请号：US17686794

申请日：2022-03-04

Applicant: QUALCOMM Incorporated

Inventor： Chuan WANG ,  Li LIU ,  Wu-Hsin CHEN ,  Vinod PANIKKATH ,  Yunfei FENG ,  Muhammad HASSAN

IPC: H04B1/00 ,  H04B1/04

CPC classification number: H04B1/0057 ,  H04B1/0483 ,  H04B1/0035 ,  H04B2001/0408

Abstract: Aspects described herein include devices and methods with chain routing of signals for massive antenna arrays. In some aspects, an apparatus is provided that includes a first millimeter wave (mmW) transceiver having a first port, a second port, one or more antenna elements, a plurality of chain mmW transceiver ports, and switching circuitry. The switching circuitry is controllable by control data to route portions of a merged clock and data signal and a merged control and data signal between a first route between the one or more antenna elements and the first port and a second route between the one or more antenna elements and the second port and a third route between the first port and the plurality of chain mmW transceiver ports and a fourth route between the second port and the plurality of chain mmW transceiver ports.

公开(公告)号：US20200321913A1

公开(公告)日：2020-10-08

申请号：US16375765

申请日：2019-04-04

Applicant: QUALCOMM Incorporated

Inventor： Wu-Hsin CHEN ,  Rui XU ,  Marco VIGILANTE ,  Li LIU ,  Xiaotie WU

IPC: H03B5/12

Abstract: In certain aspects, an apparatus includes a transformer including an input inductor and an output inductor, wherein the input inductor is magnetically coupled to the output inductor. The apparatus also includes a transconductance driver configured to drive the input inductor based on an input signal. The apparatus further includes a feedback circuit configured to detect an output voltage swing at the output inductor, generate a regulated voltage at the input inductor, and control the regulated voltage based on the detected output voltage swing.

公开(公告)号：US20250096754A1

公开(公告)日：2025-03-20

申请号：US18471088

申请日：2023-09-20

Applicant: QUALCOMM Incorporated

Inventor： Chuan WANG ,  Kai ZHAN ,  Bon-Hyun KU ,  Hyejeong SONG ,  Li LIU ,  Kevin Hsi-Huai WANG ,  Muhammad HASSAN

IPC: H03F3/24 ,  H04B1/40

Abstract: An apparatus for wireless communications includes a power amplifier, a low-noise amplifier, a power detector, and a transformer. The transformer includes a first inductor coupled to an output of the power amplifier, and a second inductor coupled to an antenna, wherein the second inductor is magnetically coupled with the first inductor. The transformer also includes a third inductor coupled to an input of the low-noise amplifier, wherein the third inductor is magnetically coupled with the second inductor. The transformer also includes a coupling inductor coupled to an input of the power detector, wherein the coupling inductor is magnetically coupled with at least one of the first inductor and the second inductor.