Essays about: "Shared channel"

Showing result 1 - 5 of 41 essays containing the words Shared channel.

  1. 1. Simulation and Testing of a MU-MIMO Beamforming System

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

    Author : Nazyar Mehdishishavan; Zonghan Wang; [2023]
    Keywords : Multi-User Multiple-Input Multiple-Output MU-MIMO ; Beamforming; Sounding Reference Signal SRS ; Reciprocity-based; Butler matrix; Advanced Antenna System AAS ; Technology and Engineering;

    Abstract : Multi-User Multiple-Input Multiple-Output (MU-MIMO) technology has become increasingly important in the field of wireless communication due to its ability to highly increase the capacity and efficiency of wireless networks [1]. Beamforming, as a technique used in MU-MIMO systems, improves network performance by improving signal quality and reducing interference. READ MORE

  3. 2. Low scores, high standards- a case study on Coop’s sustainability declaration

    University essay from SLU/Dept. of Forest Economics

    Author : Caroline Malthed; Tuva Wrenfelt; [2022]
    Keywords : Standard; retailer; Coop Sweden; small-scale producer; local food systems; supplier requirements; sustainable food products;

    Abstract : The earth's ecosystems are changing due to human activities, and it is urgent that we transform our way of living to avoid further negative effects on climate change. Food production has the single biggest impact on global environmental changes, since 21-37% of the world's total greenhouse gas emissions comes from the agricultural systems. READ MORE

  4. 3. Fast or Furious: A study of attributes important to the online customer experience in fast fashion shopping

    University essay from Lunds universitet/Företagsekonomiska institutionen

    Author : Linnea Abrahamsson; Maria Guadalupe Sayd; [2022]
    Keywords : online customer experience; customer experience; fast fashion; Business and Economics;

    Abstract : The primary aim of this paper is to investigate which attributes are most important to the online customer experience (OCE) in the fast fashion industry. Qualitative data was gathered through a netnography of online customer reviews and comments, and a comprehensive framework of attributes important to OCE in the fast fashion industry was constructed. READ MORE

  5. 4. Implementation and optimization of LDPC decoding algorithms tailored for Nvidia GPUs in 5G

    University essay from Karlstads universitet/Institutionen för matematik och datavetenskap (from 2013); Karlstads universitet/Avdelningen för datavetenskap

    Author : Benjamin Salomonsson; [2022]
    Keywords : New Radio NR ; Shared Channel; Channel Coding; Low Density Parity-Check LDPC ; Min-Sum Algorithm MSA ; Graphics Processing Unit GPU ; Compute Unified Device Architecture CUDA ;

    Abstract : Low-Density Parity-Check (LDPC) codes are linear error-correcting codes used to establish reliable communication between units on a noisy transmission channel in mobile telecommunications. LDPC algorithms detect and recover altered or corrupted message bits using sparse parity-check matrices in order to decipher messages correctly. READ MORE

  6. 5. Decode and Forward Relay Assisting Active Jamming in NOMA System

    University essay from Blekinge Tekniska Högskola/Institutionen för datavetenskap

    Author : Lakshmikanth Akurathi; Surya Teja Reddy Chilluguri; [2022]
    Keywords : Physical Layer Security; Power-domain NOMA; Decode and Forward Relay; Jamming in NOMA; Nakagami-m Fading; Relay Transmission; Secrecy Performance.;

    Abstract : Non-orthogonal multiple access (NOMA), with its exceptional spectrum efficiency, was thought to be a promising technology for upcoming wireless communications. Physical layer security has also been investigated to improve the security performance of the system. READ MORE