Search for dissertations about: "channel selection"

Showing result 1 - 5 of 87 swedish dissertations containing the words channel selection.

2. 1. Model Selection and Sparse Modeling

   Author : Yngve Selén; Peter Stoica; Jean-Jacques Fuchs; Uppsala universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; model selection; model order selection; model averaging; nested models; sparse models; Bayesian inference; MMSE estimation; MAP estimation; ML estimation; AIC; BIC; GIC; RAKE receivers; pulse compression; radar; linear models; linear regression models; Signal processing; Signalbehandling;

   Abstract : Parametric signal models are used in a multitude of signal processing applications. This thesis deals with signals for which there are many candidate models, and it is not a priori known which model is the most appropriate one. READ MORE

4. 2. Enhancing P2P Systems over Wireless Mesh Networks

   Author : Marcel Cavalcanti de Castro; Andreas Kassler; Edmundo Monteiro; Karlstads universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; peer-to-peer overlay; wireless mesh networks; peer selection; channel assignment; routing; optimization; adjacent channel interference; channel bandwidth adaptation; Datavetenskap; Computer Science;

   Abstract : Due to its ability to deliver scalable and fault-tolerant solutions, applications based on the peer-to-peer (P2P) paradigm are used by millions of users on the internet. Recently, wireless mesh networks (WMNs) have attracted a lot of interest from both academia and industry, because of their potential to provide flexible and alternative broadband wireless internet connectivity. READ MORE

5. 3. Doctoral Thesis: Massive MIMO in Real Propagation Environments

   Author : Xiang Gao; Institutionen för elektro- och informationsteknik; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Massive MIMO; very-large MIMO; multi-user MIMO; channel measurements; channel modeling; 5G; sum-rate capacity; antenna selection; signal processing;

   Abstract : Mobile communications are now evolving towards the fifth generation (5G). In the near future, we expect an explosive increase in the number of connected devices, such as phones, tablets, sensors, connected vehicles and so on. Much higher data rates than in today's 4G systems are required. READ MORE

6. 4. Transceiver Design for Multiple Antenna Communication Systems with Imperfect Channel State Information

   Author : Xi Zhang; Björn Ottersten; Miguel Lagunas; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; MIMO; imperfect CSI; linear transceiver; beamforming; user selection; robust design; channel statistics; Telecommunication; Telekommunikation;

   Abstract : Wireless communication links with multiple antennas at both the transmitter and the receiver sides, so-called multiple-input-multiple-output (MIMO)systems, are attracting much interest since they can significantly increase the capacity of band-limited wireless channels to meet the requirements of the future high data rate wireless communications. The treatment of channel state information (CSI) is critical in the design of MIMO systems. READ MORE

7. 5. Radio resource management for wireless indoor communication systems : performance and implementation aspects

   Author : Stefan Pettersson; KTH; []
   Keywords : Radio resource management; indoor communication; the bunch concept; centralized RRM; dynamic channel allocation; channel selection;

   Abstract : In this thesis, we investigate several radio resourcemanagement (RRM) techniques and concepts in an indoorenvironment with a dense infrastructure. Future wireless indoorcommunication networks will very likely be implemented atplaces where the user concentration is very high. At these hotspots, the radio resources must be used efficiently. READ MORE