Sökning: "Rayleigh fading"
Visar resultat 1 - 5 av 54 uppsatser innehållade orden Rayleigh fading.
1. Channel Estimation and Power Control Algorithms in the Presence of Channel Aging
Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)Sammanfattning : Power allocation algorithms that determine how much power should be allocated to pilot and data symbols play an important role in addressing the trade-off between accurate channel estimation and high high spectral efficiency for data symbols in the presence of time-varying fading channels. Dealing with this trade-off is highly non-trivial when the channel changes or ages rapidly in time. LÄS MER
2. Performance Analysis of STTC-Based MIMO Under Cognitive RadioScenarios
Master-uppsats, Blekinge Tekniska Högskola/Institutionen för datavetenskapSammanfattning : This thesis presents a comprehensive investigation into improving wireless transmission rates and reliability through the implementation of Space Time Trellis Codes(STTC). The study focuses on enhancing the coding gain, diversity gain, and flexible transmission capabilities, which are crucial for Error-Correcting Codes (ECC)in wireless communications. LÄS MER
3. Importance Sampling in Wireless Communication Systems with Ultra-Low Error Rates
Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknikSammanfattning : Simulation mimics the behaviour of real world processes or the system over time. It helps us to understand the impact of modification and the effect of introducing various interventions to a system. LÄS MER
4. Performance of a Non-Orthogonal Multiple Access System with Full-duplex Relaying over Nakagami-m Fading
Master-uppsats, Blekinge Tekniska Högskola/Fakulteten för datavetenskaperSammanfattning : In our thesis work, we analyze the performance analysis of a power domain NonOrthogonal Multiple Access (NOMA) system in which the closer user acts as fullduplex relaying to forward the signal to farther user. Because Nakagami-m distribution is a generalized case including the two common fading distributions as specialcases: Rayleigh distribution (m=1), Rician distribution (m>1). LÄS MER
5. Objective Perceptual Quality Assessment of JPEG2000 Image Coding Format Over Wireless Channel
Master-uppsats, Blekinge Tekniska Högskola/Institutionen för tillämpad signalbehandlingSammanfattning : A dominant source of Internet traffic, today, is constituted of compressed images. In modern multimedia communications, image compression plays an important role. Some of the image compression standards set by the Joint Photographic Expert Group (JPEG) include JPEG and JPEG2000. LÄS MER