Sökning: "Dynamic Threshold Algorithm"

Visar resultat 11 - 15 av 16 uppsatser innehållade orden Dynamic Threshold Algorithm.

  1. 11. PERFORMANCE ENHANCEMENT OF OFDM IN PAPR REDUCTION USING NEW COMPANDING TRANSFORM AND ADAPTIVE AC EXTENSION ALGORITHM FOR NEXT GENERATION NETWORKSPERFORMANCE ENHANCEMENT OF OFDM IN PAPR REDUCTION USING NEW COMPANDING TRANSFORM AND ADAPTIVE AC EXTENSION ALGORITHM FOR NEXT GENERATION NETWORKS

    Master-uppsats, Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Författare :CLEMENT RANJITH ANTHIKKAD & IRFAN AHMED BAIG; [2013]
    Nyckelord :Orthogonal Frequency Division Multiplexing OFDM ; Peak-to-Average Power Ratio PAPR ; Complementary Cumulative Distribution Function CCDF ; Partial Transmit Sequence PTS ; Tone Reservation TR .;

    Sammanfattning : This paper presents a new hybrid PAPR reduction technique for the OFDM signal, which combines a multiple symbol representations method with a signal clipping method. The clipping method is a nonlinear PAPR reduction scheme, where the amplitude of the signal is limited to a given threshold. LÄS MER

  3. 12. Implementing dynamic allocation of user load in a distributed load testing framework

    Kandidat-uppsats, Institutionen för informationsteknologi

    Författare :Hugo Heyman; [2013]
    Nyckelord :;

    Sammanfattning : Load testing has become an increasingly important matter in today's web applications. Upon releases of popular applications its users can create massive load potentially making an application unreachable. The scope of this thesis was to investigate as well as further develop an open source load testing framework: Locust. LÄS MER

  4. 13. A Joint Subcarrier/Power allocation Scheme for OFDMA-based Cellular Networks

    Master-uppsats, Kommunikations- och transportsystem; Tekniska högskolan

    Författare :Aamir Abdul Aziz Hasan Ali; Muhammad Adil Shahzad; [2012]
    Nyckelord :;

    Sammanfattning : The assignment of this master thesis consists of initiating power, subcarrier allocation in a dynamic FFR based scheme designed for multi-cell OFDMA networks and to enhance the throughput of all center users in bandwidth hungry borrower cells (overloaded cells) which was previously degraded by original FFR3 scheme as a result of partitioning of system bandwidth into center and edge bands respectively. The method uses band borrowing to compensate center user’s throughput loss in a semi and fully overloaded system. LÄS MER

  5. 14. Evaluation of Red Colour Segmentation Algorithms in Traffic Signs Detection

    Master-uppsats, Datateknik

    Författare :Sitao Feng; [2010]
    Nyckelord :Traffic signs; Colour Segmentation; Dynamic Threshold Algorithm; A Modification of de la Escalera’s Algorithm; the Fuzzy Colour Segmentation Algorithm; Shadow and Highlight Invariant Algorithm.;

    Sammanfattning : Colour segmentation is the most commonly used method in road signs detection. Road sign contains several basic colours such as red, yellow, blue and white which depends on countries.The objective of this thesis is to do an evaluation of the four colour segmentation algorithms. LÄS MER

  7. 15. Efficient Decoding Algorithms for Low-Density Parity-Check Codes

    Uppsats för yrkesexamina på grundnivå, Institutionen för systemteknik

    Författare :Anton Blad; [2005]
    Nyckelord :Electronics; LDPC; Low Density Parity Check; Tanner graph; decoding; sum-product; probability propagation; early decision; threshold; Elektronik;

    Sammanfattning : Low-density parity-check codes have recently received much attention because of their excellent performance and the availability of a simple iterative decoder. The decoder, however, requires large amounts of memory, which causes problems with memory consumption. LÄS MER