Inventor

MA ZHENGXIANG

US56 patents

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

MA ZHENGXIANG

FUTUREWEI TECHNOLOGIES INC

Apparatus and method for modular multi-sector active antenna system

Apparatus and method for a digital transmitter architecture with outphasing power amplifier

Active antenna system (AAS) radio frequency (RF) module with heat sink integrated antenna reflector

Dual-feed dual-polarized antenna element and method for manufacturing same

Frequency division multiple antenna distribution

System and method for intelligent channel state information selection

Apparatus and method to configure antenna beam width

Elliptic directional filters for a combiner circuit

Integrated duplexer and combiner

Apparatus and method for asymmetrically driven partial outphasing power amplifier

System and method for fast system acquisition and channel estimation

Frequency division multiple antenna distribution

System and method for null filling of IQ waveform

Methods and systems for beam steering crest factor reduction (CFR) clip noise

Apparatus and methods for cross-polarized tilt antennas

System and method for intelligent RI/PMI selection

Apparatus and methods for cross-polarized tilt antennas

Apparatus and method for an active antenna system with near-field radio frequency probes

Branch-line coupler

Apparatus and method to configure antenna beam width

LUCENT TECHNOLOGIES INC

Power amplifier sharing in a wireless communication system with amplifier pre-distortion

System and method for producing an amplified signal

Signal predistortion using a combination of multiple predistortion techniques

System and method for producing an amplified signal

System and method for predistorting a signal using current and past signal samples

System and method for predistorting a signal to reduce out-of-band error

Power amplifier sharing in a wireless communication system with transmit diversity

Signal notching system for limiting signal peaks

Device and method to measure the complex permeability of thin films at ultra-high frequencies

Article comprising a superconducting RF filter

Digital detector utilizable in providing closed-loop gain control in a transmitter

HUAWEI TECH CO LTD

Receiver and receiving method of receiver

Receiver and receiving method of receiver

Receiver and receiving method of receiver

Receiver and receiving method of receiver

Receiver and receiving method of receiver

Composite antenna element design and method for beamwidth control

Y-shaped single substrate ultra-wideband antenna and antenna array

ALCATEL LUCENT USA INC

Frequency based modulator compensation

Method and apparatus for cellular communication over data networks

Identification of base stations

Repeater for providing coverage within a wireless communications network and methods thereof

AVAYA TECHNOLOGY CORP

Transceiver stacked assembly

Method of tuning a planar filter with additional coupling created by bent resonator elements

Sheet-metal filter

MA ZHENGXIANG

System and method for user specific antenna down tilt in wireless cellular networks

Method to support user location in in-structure coverage systems

FEDER PERETZ MOSHES

Method and apparatus for cellular communication over data networks

ALCATEL LUCENT

Methods of reconfiguring sector coverage in in-building communications system

XU SHAOFENG

Standing wave detection method, standing wave detection apparatus and base station