Sökning: "MMSE detector"

Hittade 4 uppsatser innehållade orden MMSE detector.

  1. 1. Graph Neural Networks and Learned Approximate Message Passing Algorithms for Massive MIMO Detection

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Andrea Scotti; [2020]
    Nyckelord :;

    Sammanfattning : Massive multiple-input and multiple-output (MIMO) is a method to improvethe performance of wireless communication systems by having a large numberof antennas at both the transmitter and the receiver. In the fifth-generation(5G) mobile communication system, Massive MIMO is a key technology toface the increasing number of mobile users and satisfy user demands. LÄS MER

  3. 2. Approximate Inference Low-Complexity MIMO Detection

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Joao Torres; [2019]
    Nyckelord :;

    Sammanfattning : In the telecommunications field, the correct detection of a certain signal is of most interest as it improves the robustness of the system. With multiple-input multiple-output (MIMO) antenna systems a new problem arises, the increase in complexity of the detection algorithms with the number of antennas. LÄS MER

  4. 3. Deep Learning for Error Prediction In MIMO-OFDM system With Maximum Likelihood Detector

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Baoqing She; [2018]
    Nyckelord :MIMO-OFDM; CRC; BLER; Detector; SINR; MCS Selection; Link Adaptation; Deep Learning; Neural Networks;

    Sammanfattning : To increase link throughput in multi-input multi-output (MIMO) orthogonal frequencydivision multiplexing (OFDM) systems, transmission parameters such as code rate andmodulation order are required to be set adaptively. Therefore, block error rate (BLER)becomes a crucial measure which illustrates the quality of the link, thus being used in LinkAdaptation (LA) to determine the transmission parameters. LÄS MER

  5. 4. IEEE 802.11n MIMO Modeling and Channel Estimation Implementation

    Master-uppsats, Institutionen för systemteknik; Tekniska högskolan

    Författare :Xin Xu; [2012]
    Nyckelord :Simulink; MIMO; OFDM; STBC; Beamforming; MMSE detector; channel estimation;

    Sammanfattning : With the increasing demand of higher data rate for telecommunication, the IEEE802.11n standard was constituted in 2009. Themost important character of the standard is MIMO-OFDM, which not only improves the throughput but also the spectrumefficiency and channel capacity. This report focuses on the physical layer IEEE802. LÄS MER