Essays about: "ofdm in wimax"

Showing result 1 - 5 of 20 essays containing the words ofdm in wimax.

  1. 1. Machine Learning for PAPR Distortion Reduction in OFDM Systems

    University essay from KTH/Signalbehandling

    Author : Manish Sonal; [2016]
    Keywords : Index Terms- OFDM; machine learning; PAPR; neural networks;

    Abstract : The purpose of the project is to investigate the possibility of using modern machine learning to model nonlinear analog devices like the Power Amplifier (PA), and study the feasibility of using such models in wireless systems design. Orthogonal frequency division multiplexing (OFDM) is one of the most prominent modulation technique used in several standards like 802. READ MORE

  3. 2. Implementation of 64-point FFTs as a building block for OFDM-based standards with respect to different criteria

    University essay from KTH/Skolan för informations- och kommunikationsteknik (ICT)

    Author : Sarojanarayanamurthy Rajavari Krishnaih Lokanadhan; [2013]
    Keywords : ;

    Abstract : Abstract This master thesis implements a critical block: Fast Fourier Transform (FFT)/Inverse Fast Fourier Transform (IFFT) for standards using Orthogonal Frequency Division Multiplexing (OFDM). They are used in OFDM systems for modulating / demodulating subcarriers. READ MORE

  4. 3. Control traffic overhead for VoIP over LTE

    University essay from KTH/Kommunikationssystem, CoS

    Author : Syed Ghazanfar Salari; [2012]
    Keywords : LTE; VoIP capacity; Physical Downlink Control Channel PDCCH ; Control Channel Elements CCE ; indoor hotspot; scheduling concepts; openWNS simulator; performance evaluation;

    Abstract : With increasing technological advancements more sophisticated mobile devices are being used by end-users. Third generation (3G) mobile communication systems such as Universal Mobile Telecommunication System (UMTS) are not able to satisfy the rising demand for higher throughputs and low latencies. READ MORE

  5. 4. Spectrum Sensing of acoustic OFDM signals

    University essay from Kommunikationssystem; Tekniska högskolan

    Author : Sivakesava Reddy Malkireddy; [2012]
    Keywords : OFDM; Autocorrelation; Spectrum Sensing; Cognitive radio; GLRT;

    Abstract : OFDM is a fast growing technology in the area of wireless communication due to its numerous advantages and applications. The current and future technologies in the area of wireless communications like WiMAX, WiFi, LTE, MBWA and DVB-T uses the OFDM signals. READ MORE

  6. 5. Implementation of MIMO-OFDM System for WiMAX

    University essay from Institutionen för datavetenskap, fysik och matematik, DFM

    Author : Muhammad Atif Gulzar; Rashid Nawaz; Devendra Thapa; [2011]
    Keywords : MIMO; OFDM; WiMAX;

    Abstract : Error free transmission is one of the main aims in wireless communications. With the increase in multimedia applications, large amount of data is being transmitted over wireless communications. This requires error free transmission more than ever and to achieve error free transmission multiple antennas can be implemented on both stations i.e. READ MORE