Sökning: "orthogonal frequency division multiplexing ofdm"

Visar resultat 6 - 10 av 49 uppsatser innehållade orden orthogonal frequency division multiplexing ofdm.

1. 6. Reduction of Crosstalk Distortion in 5G

   Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

   Författare :Ali Al-Qamaji; Fida Abdalrahman; [2019]
   Nyckelord :Wireless Communication; Power Amplifier; Linearization; Digital predisposition; 5G; Massive MIMO.; Technology and Engineering;

   Sammanfattning : Increasing demand for higher data rates in wireless communication systems has tremendously evolved over the last years. This demand is rapidly increasing with rising in number of wireless devices. LÄS MER

3. 7. Efficient DPD Coefficient Extraction For Compensating Antenna Crosstalk And Mismatch Effects In Advanced Antenna System

   Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

   Författare :Himanshu Gaur; Md Zahidul Islam Shahin; [2018]
   Nyckelord :Technology and Engineering;

   Sammanfattning : The demand for high data rates in a wireless communication system has experienced a remarkable growth over the last years. This demand is continually increasing with the growing number of wirelessly connected devices. Thus, there is a continuing hunt for increasing the data transmission rate in wireless communication systems. LÄS MER

4. 8. Signal processing in massive MIMO systems realized with low complexity hardware

   Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

   Författare :Sara Gunnarsson; Micaela Bortas; [2017]
   Nyckelord :massive MIMO; energy efficiency; 5G; low complexity; digital signal processing; supply voltage; Technology and Engineering;

   Sammanfattning : The global mobile data traffic, as well as the energy consumption, for networks is constantly increasing. For this reason, techniques which can provide higher spectral efficiency while being more energy efficient are needed. LÄS MER

5. 9. Is the Cyclic Prefix Needed in Massive MIMO?

   Master-uppsats, Linköpings universitet/Kommunikationssystem

   Författare :Valens Nsengiyumva; [2016]
   Nyckelord :Cyclic Prefix in Massive MIMO;

   Sammanfattning : Massive multiple-input-multiple-output (MIMO) is a wireless communication technologythat usesa large number of antennas at the base station and servesmultiple terminals over the same time-frequency resource.This technique can achievehigher data rates than existing communication technology, which only serves one terminal per resource. LÄS MER

7. 10. Modeling in Simulink and Synthesis of Digital Pre-Distortion for WLAN Power Amplifiers on a Coarse-Grained Reconfigurable Fabric

   Master-uppsats, Linköpings universitet/Elektroniska Kretsar och System

   Författare :Muhammad Safdar; [2016]
   Nyckelord :;

   Sammanfattning : High data rates are highly demanded now-a-days in most of the communication systems such as audio/video broadcasting, cable networks, wireless networks etc. This can be achieved using Orthogonal Frequency Division Multiplexing (OFDM), which is a bandwidth-efficient method. LÄS MER