A digital phase locked loop based signal and symbol recovery system for wireless channel
Author(s)
Bibliographic Information
A digital phase locked loop based signal and symbol recovery system for wireless channel
(Signals and communication technology)
Springer India, c2015
- : hbk
Available at 1 libraries
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  Iwate
  Miyagi
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Note
Includes bibliographical references and index
Description and Table of Contents
Description
The book reports two approaches of implementation of the essential components of a Digital Phase Locked Loop based system for dealing with wireless channels showing Nakagami-m fading. It is mostly observed in mobile communication. In the first approach, the structure of a Digital phase locked loop (DPLL) based on Zero Crossing (ZC) algorithm is proposed. In a modified form, the structure of a DPLL based systems for dealing with Nakagami-m fading based on Least Square Polynomial Fitting Filter is proposed, which operates at moderate sampling frequencies. A sixth order Least Square Polynomial Fitting (LSPF) block and Roots Approximator (RA) for better phase-frequency detection has been implemented as a replacement of Phase Frequency Detector (PFD) and Loop Filter (LF) of a traditional DPLL, which has helped to attain optimum performance of DPLL. The results of simulation of the proposed DPLL with Nakagami-m fading and QPSK modulation is discussed in detail which shows that the proposed method provides better performance than existing systems of similar type.
Table of Contents
Introduction.- Transmitter Receiver Techniques.- Modulation Techniques and Signal Processing.- Basic Considerations of PLL and Its Types.- Digital Phased Locked Loop.- Synchronization.- A Zero Crossing Algorithm based Digital Phase Locked Loop.- Least Square Polynomial Fitting based Digital Phase Locked Loop.- A DPLL based Recovery System for Nakagami-m Fading Channel.- Coding Assisted Carrier and Symbol Recovery using DPLL.- Carrier Phase Detection of Rayleigh and Rician Faded Signals using Digital Phase Locked Loop.- DPLL based Square Loop for Carrier Synchronization over Fading Channel.- Conclusions and Future Direction.
by "Nielsen BookData"