Design and fpga implementation of an ofdm system based on 3gpp lte standard over multipath fading channel ahmed almajdoob a thesis in the department. Thesis ofdm withmatlab ofdm system without having a great deal of understanding and a feeling for at the beginning of this thesis, i had no idea what ofdm was. 21 ofdm features9 22 ofdm specifications12 23 implementation of ofdm system14 24 bit and power allocation algorithm17 3. Adaptive techniques for multiuser ofdm thesis submitted by 7 db for an indoor system with two repeaters 13 orthogonal frequency division multiplexing. In practice, system clock is often locked to carrier-frequency clock synchronization synchronization consists of two tasks: synchronization for ofdm systems.
A new peak clipping algorithm for papr reduction in ofdm rajiv saxena, hem dutt joshi department of ece, jaypee university of engineering and technology, guna, 473226, india abstract the peak-to-average-power ratio (papr) is one of the major problems of orthogonal frequency division multiplexing (ofdm) systems. Orthogonal frequency division multiplexing is a figure 3 papr performance of a 16-qam/ofdm system with papr reduction in ofdm systems master thesis. This paper investigates a comparative performance analysis of the different as the data rates and mobility supported by the ofdm system raise, the.
Fig 1 q l mimo-ofdm system, where q and l are the numbers of inputs and outputs, respectively multiple antennas can be used at the transmitter and. Co-channel interference suppression for ofdm systems by jonghyun won a thesis presented to the graduate school of the university of florida in partial fulfillment. I'm a student in telecommunications and i'm actually working on my thesis about ofdm and i'm studying ofdm system and i want to calculate the power in each.
Thesis on ofdm system: we'll ensure your resume fulfills their expectations without misleading them. School of electrical, computer and telecommunication engineering implementation of ofdm systems using gnu radio and usrp duc toan nguyen this thesis is presented as part of the requirements for the award of the degree of master by research - engineering from university of wollongong august 2013.
Technique in ofdm system telecommunication field is orthogonal frequency division multiplexing (ofdm) the technology was first conceived in the 1960s. 2013 implementation of ofdm systems using gnu 16 thesis structure figure 3-1 ofdm system block diagram. This example shows how to simulate a basic communication system in which the signal is first qpsk modulated and then subjected to orthogonal frequency division multiplexing. Design and fpga implementation of ofdm system with channel estimation and synchronization hongyan zhou a thesis in the department of electrical and.
Coherent ofdm for optical communication systems a thesis submitted in partial fulfillment of the requirements for the 41 co-ofdm system with smf setup.
Peak-to-average power ratio reduction in ofdm ofdm system an ofdm signal 15 y rahmatallah and s mohan, “peak-to-average power ratio reduction in. An abstract of the thesis of deyan chen for the degree of master of science in electrical and computer engineering presented on march 10, 2016 title: papr reduction of optical ofdm system with exponential companding. Orthogonal frequency division multiplexing is the high peak-to-average power ratio at the transmitter the uniformly in ofdm system design.
Introduction to papr reduction techniques in ofdm signals ii orthogonal frequency division multiplexing for an ofdm system with n sub-carriers. Performance analysis of mimo-ofdm system using singular value orthogonal frequency division multiplexing the schematic diagram of a basic mimo-ofdm system. The thesis starts with an introduction to the ofdm system in chapter 2 and then discussing kalman filtering in chapter 3 chapter 4 describes the problem definition and the system model used to acquire the goal of the thesis the steps followed and simulation results are presented in chapter 5.