Inventor

FAN ZHIFEI

US180 patents

⚠️ This page may combine multiple inventors who share the name “FAN ZHIFEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FAN ZHIFEI

QUALCOMM INC

Acknowledgement feedback in unlicensed new radio

Physical uplink control channel (PUCCH) configuration for new-radio-spectrum sharing (NR-SS)

Modified demodulation reference signal patterns for orthogonal frequency-division multiplexing

Overhead parameter for a single transport block over multiple slots

Multiplexing demodulation reference signal and data in orthogonal time frequency space waveform

Synchronization signal block design

Physical uplink control channel (PUCCH) configuration for new-radio-spectrum sharing (NR-SS)

Precoded phase tracking reference signal sequence with distributed allocation

Techniques for flexible reference signal patterns in wireless communications systems

Mixed-waveform communications

Adaptive non-uniform constellation operation

SSB structure for NR communications

Time domain resource allocation for a time domain waveform

Downlink control information (DCI) piggyback on semi persistent scheduling (SPS) channel

Channelization for uplink transmissions

Intra-symbol multiplexing with a single carrier waveform

Downlink control information piggyback in physical downlink shared channel, downlink control information encoding

Trigger retransmission of a feedback in unlicensed spectrum

Acknowledgement feedback in unlicensed new radio

Descriptor channel designs for uplink channels in a shared radio frequency spectrum band

Configuring uplink control channel resources for communications in a shared radio frequency spectrum

Channelization for uplink transmissions

Channel reservation signal design with different numerology

Uplink control information transmission in autonomous uplink

Mobility for coverage extension modes in wireless communications

Over-the-air phase synchronizatin for reciprocity-based comp joint transmission

Spatial listen before talk

Uplink power control in wireless systems

Contention window with spatial LBT

UL waveform during RACH procedure and autonomous UL transmission

Phase compensation reference signal in NR-SS CoMP

Precoded CSI-RS for phase synchronization for reciprocity-based CoMP joint transmission

Channelization for uplink transmissions

Phase synchronization for reciprocity-based CoMP joint transmission with UE feedback of both co-phasing and slope

Techniques for managing transmissions of reference signals

Channel state information and adaptive modulation and coding design for long-term evolution machine type communications

Method and apparatus for multiplexing CDM pilot and FDM data

Encoded control channel information interleaving

Over-the-air phase synchronization for reciprocity-based comp joint transmission

Waveform capability indication

Demodulation reference signal design for large sub-carrier spacing

Joint HARQ timing and SLIV design for multi-PDSCH grant

Helper signal based envelope tracking

Data scrambling in rate-split communications

Code block-based resource mapping for transmissions with data-modulated demodulation reference signals

Acknowledgement feedback in unlicensed new radio

Frequency selective phase tracking reference signal (PTRS) allocation

Modulation and coding scheme capability for high band wireless communication

FAN ZHIFEI

Simultaneous transmission of acknowledgement, channel quality indicator and scheduling request

ZHANG XIAOXIA

Uplink coordinated multipoint communications in a wireless network