Essays about: "performance QAM"

Showing result 1 - 5 of 18 essays containing the words performance QAM.

  1. 1. Symmetric alpha-Stable Adapted Demodulation and Parameter Estimation

    University essay from Luleå tekniska universitet/Signaler och system

    Author : Kristoffer Hägglund; [2018]
    Keywords : ;

    Abstract : Transmission and reception of signals in wireless communication systems is affected by additive interference corrupting the signal. Traditionally, the interference is assumed to be AWGN and the system designs are usually based on that assumption. READ MORE

  2. 2. A comparison of 5G candidate waveforms subject to phase noise impairment at mm-wave frequencies

    University essay from KTH/Skolan för elektro- och systemteknik (EES)

    Author : Vicent Molés Cases; [2016]
    Keywords : ;

    Abstract : Frequencies above 6 GHz are being considered by mobile communication industry for the deployment of future 5G networks. Large channel bandwidths above 6 GHz are likely to be used to serve diverse use cases and meet extreme user requirements. READ MORE

  3. 3. A Study of Lattice Reduction Detection Techniques for LTE Systems

    University essay from Lunds universitet/Institutionen för elektro- och informationsteknik

    Author : Liping Wang; [2016]
    Keywords : LTE; MIMO; Lattice Reduction; MMSE; ZF; ML; Kronecker Model; Rayleigh Fading Channel; Technology and Engineering;

    Abstract : MIMO (Multiple Transmit and Multiple Receive) antenna techniques are widely used in the most recent wireless communication standards. For example, LTE (Long-Term Evolution), WiMAX (Worldwide Interoperability for Microwave Ac- cess) and IEEE 802.11n have recently been rolled out across the world. READ MORE

  4. 4. Filter Bank Multi-Carrier Modulation

    University essay from KTH/Kommunikationsteori

    Author : Frédéric De Poret; [2015]
    Keywords : ;

    Abstract : During the last years, multi-carrier modulations have raised a particular interest dueto their high spectral efficiency and the possible assumption of flat frequency fading.The most broadly used multi-carrier modulation is the CP-OFDM. It allows very simpleequalizations methods and MIMO transcoders which keep orthogonality betweencarrier waveforms. READ MORE

  5. 5. Joint Phase Noise Estimation and Symbol Detection in Optical Communication Systems

    University essay from Chalmers tekniska högskola/Institutionen för signaler och system

    Author : Arni Alfredsson; [2015]
    Keywords : ;

    Abstract : Demands for higher transmission rates are ever increasing as a result of requirements imposed by a number of different applications. To meet these demands, world-wide research efforts for optical communications have led to tremendous growth in performance in the past few decades. READ MORE