[go: up one dir, main page]

Marballie, 2010 - Google Patents

Symbol Timing and Coarse Classification of Phase Modulated Signals on a Standalone SDR Platform

Marballie, 2010

View PDF
Document ID
10963583719223755811
Author
Marballie G
Publication year

External Links

Snippet

Abstract The Universal Classifier Synchronizer (UCS) is a Cognitive Radio system/sensor that can detect, classify, and extract the relevant parameters from a received signal to establish physical layer communications using the received signal's profile. The current …
Continue reading at vtechworks.lib.vt.edu (PDF) (other versions)

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver
    • 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
    • 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
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0028—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage
    • 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
    • H04B1/16—Circuits
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/006—Demodulation of angle-, frequency- or phase- modulated oscillations by sampling the oscillations and further processing the samples, e.g. by computing techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying includes continuous phase systems
    • H04L27/22—Demodulator circuits; Receiver 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
    • H04B1/69—Spread spectrum techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/3845—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier
    • H04L27/3854—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier using a non - coherent carrier, including systems with baseband correction for phase or frequency offset
    • H04L27/3863—Compensation for quadrature error in the received signal

Similar Documents

Publication Publication Date Title
Sun et al. Wideband spectrum sensing for cognitive radio networks: a survey
US10039020B2 (en) Dominant signal detection method and apparatus
US7395290B2 (en) Digital filter and method thereof using frequency translations
CN111800091A (en) Method for realizing digital down conversion and storage medium
CN104378128B (en) The method that wireless receiving platform and the Radio frequency interference generated for platform mitigate
WO2018057320A1 (en) Wideband residual sideband calibration
CN102148679A (en) Low-complexity bandwidth signal digital frequency selection method
US8599970B2 (en) Systems, methods, and apparatuses for detecting digital television (DTV) communications signals
US10164670B2 (en) Time sequenced spectral stitching
Marballie Symbol Timing and Coarse Classification of Phase Modulated Signals on a Standalone SDR Platform
Rice et al. Maximum likelihood carrier phase synchronization in FPGA-based software defined radios
Li et al. Preliminary insights on fast GNSS signal capture using SFT and FFT frequency shift
US6724835B1 (en) Carrier tracking method
Mishali et al. Xampling–part i: Practice
Liu et al. Compressive wideband spectrum sensing for fixed frequency spectrum allocation
Hakim et al. Experimental study of FM complex differentiation using HackRF
Turunen et al. Spectrum estimator and cyclostattionary detector for cognitive radio
Imanilov Low-complexity high-accuracy 5G and LTE multichannel spectrum analysis aided by unsupervised machine learning
Nair Coarse Radio Signal Classifier on a Hybrid FPGA/DSP/GPP Platform
Mandal et al. A bio-inspired cochlear heterodyning architecture for an RF fovea
US10887138B2 (en) Low digital intermediate frequency (IF) image cancelling transceiver
Mansour et al. Post detection integration in DFT modulated filter bank transceivers for cognitive radio
Kumar et al. A System-Level Design & FPGA Implementation for Real-Time Interception & Monitoring the Frequency-Agile Communication Signal
Pinho Library and applications for DSP and SDR research
Shi et al. Discrete Hilbert-based Asymmetric FIR Filter for Raw Baseband RF I/Q Signals Distribution Characteristics Segmentation