Sökning: "Multiuser-MIMO"

Hittade 3 uppsatser innehållade ordet Multiuser-MIMO.

  1. 1. Full Duplex Multiuser MIMO with Massive Arrays

    Master-uppsats, Institutionen för systemteknik; Tekniska högskolan

    Författare :Hussain Wannas; [2014]
    Nyckelord :Full-Duplex; Massive MIMO; MIMO; MU-MIMO;

    Sammanfattning : Half-Duplex Multiuser Multiple-Input Multiple-Output (HD MU-MIMO) systemscurrently employed in communication systems are not experiencing the selfinterference(SI) problem but they are not optimal in terms of efficiency and interms of resources used (time and frequency resources). Ignoring the effect of largescalefading, we start by explaining the uplink (UL) and downlink (DL) parts ofthe MU-MIMO system and how the sum-rate is calculated. LÄS MER

  3. 2. Linear Precoding Performance of Massive MU-MIMO downlink System

    Master-uppsats, Kommunikationssystem; Tekniska högskolan

    Författare :Eakkamol Pakdeejit; [2013]
    Nyckelord :Massive MU-MIMO; Multiuser-MIMO; Linear precoding; Spectral efficiency; Energy efficiency;

    Sammanfattning : Nowadays, multiuser Multiple-In Multiple-Out systems (MU-MIMO) are used in a new generation wireless technologies. Due to that wireless technology improvement is ongoing, the numbers of users and applications increase rapidly. Then, wireless communications need the high data rate and link reliability at the same time. LÄS MER

  4. 3. Beamforming Utilizing Channel Norm Feedback in Multiuser MIMO Systems

    Master-uppsats,

    Författare :Emil Björnson; [2007]
    Nyckelord :;

    Sammanfattning : Cellular wireless communication like GSM and WLAN has become an important part of the infrastructure. The next generation of wireless systems is believed to be based on multiple-input multiple-output (MIMO), where all units are equipped with multiple antennas. LÄS MER