Sökning: "unknown arrival time"
Visar resultat 1 - 5 av 8 avhandlingar innehållade orden unknown arrival time.
1. Optimal Detectors for Transient Signal Families and Nonlinear Sensors : Derivations and Applications
Sammanfattning : This thesis is concerned with detection of transient signal families and detectors in nonlinear static sensor systems. The detection problems are treated within the framework of likelihood ratio based binary hypothesis testing. LÄS MER
2. Channel Estimation in Wireless Communication Systems Employing Multiple Antennas
Sammanfattning : Antennas that are able to adaptively direct the transmitted (and received) energy are of great interest in future wireless communication systems. The directivity implies reduced transmit power and interference, and also a potential for increased capacity. LÄS MER
3. Estimation and Performance Analysis of Wireless Multiple Antenna Communication Channels
Sammanfattning : The focus of this thesis is on channel estimation in wireless communication systems that employ multiple antennas.The thesis is divided into two parts, whereof the first part addresses theproblem of parameter estimation of distributed sources. Due to, e.g. LÄS MER
4. Joint Positioning and Multipath Radio Channel Estimation and Prediction
Sammanfattning : This thesis investigates the topic of joint positioning and radio channel estimation and prediction. Both positioning and radio channel estimation have a long history of research with many publications but the combination of the two has so far at large been left unexplored. LÄS MER
5. Estimation of synchronization parameters
Sammanfattning : This thesis deals with the estimation of synchronization parameters in {Orthogonal Frequency Division Multiplexing} (OFDM) communication systems and in active ultrasonic measuring systems. Estimation methods for the timing and frequency offset and for the attenuation taps of the frequency selective channel are presented and investigated. LÄS MER