[go: up one dir, main page]

Tabatabai et al., 2008 - Google Patents

Reducing nonlinearity for impulse radar ultra wideband over fiber using analogue feedback linearization

Tabatabai et al., 2008

Document ID
7612614568321540546
Author
Tabatabai F
Al-Raweshidy H
Publication year
Publication venue
2008 Asia-Pacific Microwave Conference

External Links

Snippet

This paper investigates a simple and low cost method using optical predistortion feedback (OPDFB) linearization to suppress four wave mixing (FWM) and reduce the amplified spontaneous emission (ASE) noise due to the semiconductor optical amplifier used in radio …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3252—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using multiple parallel paths between input and output
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3258—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits based on polynomial terms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference induced by transmission
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High frequency amplifiers, e.g. radio frequency amplifiers
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/204—A hybrid coupler being used at the output of an amplifier circuit
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C7/00—Modulating electromagnetic waves
    • H03C7/02—Modulating electromagnetic waves in transmission line, waveguide, cavity resonator, or radiation field of aerial

Similar Documents

Publication Publication Date Title
Noweir et al. Digitally linearized radio-over fiber transmitter architecture for cloud radio access network’s downlink
KR20040066003A (en) An uncorrelated adaptive predistorter
NO306081B1 (en) Method and apparatus for linearizing the operation of an external optical modulator
US8331487B2 (en) Analog signal processor for nonlinear predistortion of radio-frequency signals
JP7020752B2 (en) Load modulation in signal transmission
Younes et al. On the modeling and linearization of a concurrent dual-band transmitter exhibiting nonlinear distortion and hardware impairments
US9735857B2 (en) Predistortion in satellite signal transmission systems
CN102368757B (en) Predistortion circuit
Rawat et al. Concurrent dual-band modeling and digital predistortion in the presence of unfilterable harmonic signal interference
Kumar et al. Adaptive dual-input analog RF predistorter for wideband 5G communication systems
Kumar et al. Bandlimited DPD adapted APD for 5G communication
Tabatabai et al. Feedforward linearization technique for reducing nonlinearity in semiconductor optical amplifier
Othmani et al. Delta-Sigma modulator-embedded digital predistortion for 5G transmitter linearization
Quaglia et al. Analysis and characterization of a load modulated balanced amplifier for base-station applications
Hadi Digital Signal Processing Techniques Applied to Radio over Fiber Systems
Park et al. Linearization of multiband OFDM RoF system employing frequency-separated model based digital pre-distortion
Tabatabai et al. Reducing nonlinearity for impulse radar ultra wideband over fiber using analogue feedback linearization
Mateo et al. Digital predistortion of a full-duplex Radio-over-Fiber mobile fronthaul link with feedback loop
Katz et al. Improved radio over fiber performance using predistortion linearization
El-Khatib et al. Modulation schemes effect on RF power amplifier nonlinearity and RFPA linearization techniques
Tabatabai et al. Optical predistortion feedback linearization for suppressing the nonlinearity in optical amplifier
Tripathi et al. Baseband fusion technique for filter-less wideband transmitters
Mateo et al. Experimental evaluation of the feedback loop effects in digital predistortion of a radio-over-fiber system
Cabarkapa Digital predistortion of RF amplifiers using baseband injection for mobile broadband communications
Park et al. Distortion mitigation in IFoF system employing frequency-separated DPD