Search for dissertations about: "PAcket"

Showing result 1 - 5 of 303 swedish dissertations containing the word PAcket.

2. 1. Packet Order Matters! : Improving Application Performance by Deliberately Delaying Packets

   Author : Hamid Ghasemirahni; Dejan Kostic; Alan L. Davis; KTH; []
   Keywords : ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Packet Ordering. Spatial Locality; Temporal Locality; Packet Scheduling; Batch Processing; Paketbeställning; Rumslig lokalitet; Temporal lokalitet; Paketplanering; Satsvis bearbetning; Informations- och kommunikationsteknik; Information and Communication Technology;

   Abstract : Data-centers increasingly deploy commodity servers with high-speed network interfaces to enable low-latency communication. However, achieving low latency at high data rates crucially depends on how the incoming traffic interacts with the system's caches. When packets that need to be processed in the same way are consecutive, i.e. READ MORE

4. 2. Throughput Analysis of Interfering Packet Radio Networks

   Author : André Stranne; Institutionen för elektro- och informationsteknik; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Telekommunikationsteknik; Telecommunication engineering; energy; collision; packet length; frequency hopping; throughput; successful packet reception probability; heterogeneous packet radio networks; interference analysis;

   Abstract : In this thesis, a probabilistic framework is presented and used for analysis of the throughput of interfering packet-based radio networks, referred to as packet radio networks (PRNs). Previous research on the performance of PRNs covers a wide variety of systems and aspects in varying levels of detail. READ MORE

5. 3. Attosecond Electron Wave Packet Interferences

   Author : Thomas Remetter; Atomfysik; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Attosecond Bound Electron Wave Packet Dynamics; Attosecond Pulse Train; High-Order Harmonics; Electron Wave Packet Interferometry; Attosecond Physics;

   Abstract : Attosecond pulses offer a new route to produce temporally localized electron wave packets (EWPs) that can easily be tailored by altering the properties of the attosecond pulses. In this thesis we will present different experiments, supported by theory, where attosecond EWPs are created in presence of a strong infrared (IR) field. READ MORE

6. 4. Towards SDN/NFV-based Mobile Packet Core : Benefits, Challenges, and Potential Solutions

   Author : Van-Giang Nguyen; Anna Brunström; Karl-Johan Grinnemo; Javid Taheri; Kurt Tutschku; Karlstads universitet; []
   Keywords : NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; mobile packet core; evolved packet core; SDN; NFV; 5G; scalability; load balancing; control plane; open5Gcore; Computer Science; Datavetenskap;

   Abstract : In mobile networks, the mobile core plays a crucial role in providing connectivity between mobile user devices and external packet data networks such as the Internet. Through the years, along with the dramatical changes in radio access networks, the mobile core has also been evolved from being a circuit-based analog telephony system in its first generation (1G) to become a purely packet-based network called the Evolved Packet Core (EPC) in the current generation (4G). READ MORE

7. 5. Coding Speech for Packet Networks

   Author : Jonas Lindblom; Chalmers University of Technology; []
   Keywords : packet loss concealment; voice over IP; speech coding; harmonic modeling; vector quantization; sinusoidal modeling; Gaussian mixture modeling; bounded support; frame erasure; variable dimension;

   Abstract : The topic of this thesis is speech coding for packet networks. Problems related to the use of packet networks for voice communication are addressed. Real-time voice communication is for example very delay sensitive; if the total end-to-end delay in a telephone session grows large, it is perceived as annoying. READ MORE