公开(公告)号：US20240080113A1

公开(公告)日：2024-03-07

申请号：US17929515

申请日：2022-09-02

Applicant: QUALCOMM Incorporated

Inventor： Chan Hong PARK ,  Beomsup KIM ,  Kwan-Woo KIM ,  Hao-Jen CHENG

IPC: H04B17/309 ,  H04B17/21 ,  H04W24/10

CPC classification number: H04B17/309 ,  H04B17/21 ,  H04W24/10

Abstract: Certain aspects of the present disclosure provide a method of wireless communications at a wireless node, comprising measuring one or more radio frequency (RF) performance parameters at the wireless node and tuning one or more transmission parameters based on the measurement.

公开(公告)号：US20250096842A1

公开(公告)日：2025-03-20

申请号：US18470195

申请日：2023-09-19

Applicant: QUALCOMM Incorporated

Inventor： Mu LU ,  Yi ZENG ,  Cheng-Han WANG ,  Ming-Tuo CHIN ,  Chan Hong PARK ,  Emanuele LOPELLI

IPC: H04B1/7183 ,  H04B1/717

Abstract: An apparatus, including: a clock source configured to generate a local oscillator (LO) clock signal; a radio frequency digital-to-analog converter (RF DAC) configured to generate a radio frequency (RF) signal based on a data signal and the LO clock signal; and an idle data detector configured to: detect a stream of idle data in the data signal; and disable providing the LO clock signal to at least a portion of the RF DAC in response to detecting the stream of idle data.

公开(公告)号：US20250105928A1

公开(公告)日：2025-03-27

申请号：US18471345

申请日：2023-09-21

Applicant: QUALCOMM INCORPORATED

Inventor： Cheng-Han WANG ,  Varun Amar REDDY ,  Qi ZHOU ,  Hsin-Hsu CHEN ,  Liang ZHAO ,  Koorosh AKHAVAN ,  Yi ZENG ,  Chan Hong PARK ,  Le Nguyen LUONG

IPC: H04B17/21 ,  H04B17/00

Abstract: A system for radio frequency (RF) residual sideband (RSB) calibration includes a complex (in phase/quadrature (I/Q)) signal receiver, a signal generator configured to generate a transmit (Tx) signal, a first phase shifter operably coupled to the real signal transmitter, a first signal combiner configured to combine a receive (Rx) signal with the transmit (Tx) signal to generate a first combined signal, a second phase shifter configured to provide a selected phase shift to the first combined signal, and a complex downconverter configured to generate an in phase Rx signal and a quadrature Rx signal alternatively using an in phase LO signal and a quadrature LO signal to generate one or more signals indicative of relative Tx-Rx LO phase (θ), amplitude (A), Tx LO I/Q phase mismatch (ε), Rx I/Q amplitude mismatch (α), and Rx I/Q phase mismatch (φ) at the output of the complex receiver.

公开(公告)号：US20240322925A1

公开(公告)日：2024-09-26

申请号：US18189642

申请日：2023-03-24

Applicant: QUALCOMM Incorporated

Inventor： Tu-I TSAI ,  Cheng-Han WANG ,  Yi ZENG ,  Chan Hong PARK ,  Sunghwan KIM

IPC: H04J3/06 ,  H03M1/12

CPC classification number: H04J3/0638 ,  H03M1/1255

Abstract: An apparatus, including: an oscillator configured to generate a clock signal; a clock signal synthesizer configured to generate a first clock signal, a second clock signal, and a third clock signal, wherein the first, second, and third clock signals are based on the clock signal; a baseband transmitter configured to generate a transmit baseband digital signal in response to the first clock signal; an ultra-wideband (UWB) pulse digital-to-analog converter (DAC) configured to generate a UWB pulse signal based on the transmit baseband digital signal in response to the second clock signal; and a frequency upconverter configured to frequency upconvert the UWB pulse signal to generate a transmit radio frequency (RF) signal based on the third clock signal.

公开(公告)号：US20240106496A1

公开(公告)日：2024-03-28

申请号：US17934513

申请日：2022-09-22

Applicant: QUALCOMM Incorporated

Inventor： Yi ZENG ,  Cheng-Han WANG ,  Emanuele LOPELLI ,  Chan Hong PARK ,  Liang ZHAO ,  Le Nguyen LUONG ,  Koorosh AKHAVAN

IPC: H04B1/717 ,  H03F3/24

CPC classification number: H04B1/7174 ,  H03F3/245 ,  H03F2200/09 ,  H03F2200/451

Abstract: Aspects described herein include devices and methods for smart ultra wideband transmissions. In one aspect, an apparatus includes pulse generation circuitry configured to output a plurality of transmission (TX) pulse samples at a selected signal sample rate, where each pulse sample of the plurality of TX pulse samples comprises a value associated with a pulse amplitude at a corresponding sample time The apparatus includes a plurality of power amplifier (PA) cells, with each PA cell of the plurality of PA cells comprising a corresponding current source and associated gates, and where the associated gates of a PA cell are selectable to configure an on state and an off state. Logic circuitry of the apparatus is configured to set the on state or the off state for each PA cell.

公开(公告)号：US20240098658A1

公开(公告)日：2024-03-21

申请号：US17949935

申请日：2022-09-21

Applicant: QUALCOMM Incorporated

Inventor： Yi ZENG ,  Cheng-Han WANG ,  Chan Hong PARK

IPC: H04W56/00 ,  H04L7/033

CPC classification number: H04W56/0005 ,  H04L7/0331

Abstract: An aspect of the disclosure relates to a transmitter including a phase lock loop (PLL) configured to generate a digital-to-analog (DAC) sampling signal and a local oscillator (LO) signal; a digital-to-analog (DAC) converter configured to convert a transmit digital signal into a transmit analog signal based on the DAC sampling signal; and a mixer configured to frequency upconvert the transmit analog signal based on the LO signal.

公开(公告)号：US20250080077A1

公开(公告)日：2025-03-06

申请号：US18458910

申请日：2023-08-30

Applicant: QUALCOMM Incorporated

Inventor： Cheng-Han WANG ,  Takahide NISHIO ,  Tu-I TSAI ,  Mu LU ,  Chan Hong PARK

IPC: H03H7/38 ,  H03F3/24

Abstract: An apparatus including: a transmitter output impedance matching circuit including an inductive element; a low noise amplifier (LNA) including a first field effect transistor (PET); a receiver input impedance matching circuit, including: a transformer including a first winding and a second winding; and a capacitor coupled in series with the first winding between a first end of the inductive element and a gate of the first FET, wherein the second winding is coupled to a second end of the inductive element; and a radio frequency (RF) port coupled between the first end of the inductive element and the capacitor.

公开(公告)号：US20240080062A1

公开(公告)日：2024-03-07

申请号：US17939409

申请日：2022-09-07

Applicant: QUALCOMM Incorporated

Inventor： Cheng-Han WANG ,  Yi ZENG ,  Takahide NISHIO ,  Chan Hong PARK ,  Emanuele LOPELLI ,  Liang ZHAO

IPC: H04B1/44 ,  H03F3/24

CPC classification number: H04B1/44 ,  H03F3/245 ,  H03F2200/294 ,  H03F2200/451

Abstract: An apparatus includes a low-noise amplifier having an input and an output, a first switch coupled between the input of the low-noise amplifier and the output of the low-noise amplifier, and a transformer including a first inductor and a second inductor, wherein the first inductor is coupled to the output of the low-noise amplifier. The apparatus also includes a power amplifier having an input and an output, and a switching circuit coupled between the output of the power amplifier and the second inductor.

公开(公告)号：US20240040538A1

公开(公告)日：2024-02-01

申请号：US17874571

申请日：2022-07-27

Applicant: QUALCOMM Incorporated

Inventor： Liang ZHAO ,  Le Nguyen LUONG ,  Cheng-Han WANG ,  Bala RAMASAMY ,  SANTOSH KUMAR GUPTA ,  Yi ZENG ,  Chan Hong PARK ,  Koorosh AKHAVAN

IPC: H04W64/00 ,  H04B1/719 ,  G01S19/48

CPC classification number: H04W64/003 ,  H04B1/719 ,  G01S19/48

Abstract: Techniques are provided for determining the location of ultrawideband (UWB) devices in a network. An example method for providing location information associated with a target device in a UWB network includes determining a location of a bridge device, querying the bridge device for location information associated with the target device, receiving location information associated with the target device from the bridge device, and determining a location of the target device based at least in part on the location of the bridge device and the location information associated with the target device.

公开(公告)号：US20210105038A1

公开(公告)日：2021-04-08

申请号：US16595337

申请日：2019-10-07

Applicant: QUALCOMM Incorporated

Inventor： Chan Hong PARK ,  Charles James PERSICO ,  Beomsup KIM ,  Yongwang DING ,  Jin-Su KO

IPC: H04B1/40 ,  H04M1/02 ,  H03F3/213 ,  H03F3/68 ,  H03F1/56

Abstract: An advantageously fast and asynchronous interface is disclosed for the tuning of an RF frontend. The interface transmits a tuning word to the RF frontend that controls a tuning of the RF frontend responsive to a channel index.