Sökning: "Telekommunikationsteknik"

Visar resultat 11 - 15 av 27 avhandlingar innehållade ordet Telekommunikationsteknik.

1. 11. MIMO Decoding Algorithm and Implementation

   Författare :Zhan Guo; Institutionen för elektro- och informationsteknik; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Telecommunication engineering; Elektronik; Electronics; Signalbehandling; Signal processing; ASIC; VLSL; MIMO; Sphere Decoder; Telekommunikationsteknik; Electrical engineering; Elektroteknik;

   Sammanfattning : Multi-Input Multi-Output system has been one of the hot technologies for future wireless communications, since it can increase the capacity (coverage or link quality in other senses) at no cost in frequency spectrum. This doctoral thesis investigates improvements to MIMO decoding algorithms and presents VLSI implementation results. LÄS MER

3. 12. Fair Scheduling and Resource Allocation in Packet Based Radio Access Networks

   Författare :Torgny Holmberg; Institutionen för elektro- och informationsteknik; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Telecommunication engineering; HiperAccess; network calculus; fairness; Scheduling; resource allocation; Telekommunikationsteknik;

   Sammanfattning : Wireless communication systems are by nature and by regulations limited in bandwidth and are therefore limited in capacity. Services with Quality of Service (QoS) requirements will enforce a more efficient utilisation of the available capacity. LÄS MER

4. 13. Trellis Decoding: From Algorithm to Flexible Architectures

   Författare :Matthias Kamuf; Institutionen för elektro- och informationsteknik; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electronics; Signalbehandling; Signal processing; VLSI; Viterbi algorithm; trellis decoding; TCM; survivor path; flexibility; convolutional codes; ACS; ASIC; Elektronik; Telecommunication engineering; Telekommunikationsteknik;

   Sammanfattning : Trellis decoding is a popular method to recover encoded information corrupted during transmission over a noisy channel. Prominent members of this class of decoding algorithms are the Viterbi algorithm, which provides maximum likelihood estimates, and the BCJR algorithm, which is a maximum a posteriori estimator commonly used in iterative decoding. LÄS MER

5. 14. Overload control strategies for distributed communication networks

   Författare :Maria Kihl; Institutionen för elektro- och informationsteknik; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; resource allocation; simulation models; TINA; Intelligent Networks; distributed systems; performance analysis; overload control; Telecommunication engineering; Telekommunikationsteknik;

   Sammanfattning : In distributed communication networks several nodes interact to carry out services. New telecommunication networks support a variety of services, much different from traditional telephony. Each service has its own so called load profile, which means that the amount of capacity needed to complete a service varies. LÄS MER

7. 15. Fairness in Communication and Computer Network Design

   Författare :Pål Nilsson; Institutionen för elektro- och informationsteknik; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Data- och systemvetenskap; computer technology; Systems engineering; Resource allocation; Optimization; Communication networks; Fairness; Telecommunication engineering; Telekommunikationsteknik;

   Sammanfattning : In communication networks, fair sharing of resources is an important issue for one main reason. The growth of network capacity is in general not matching the rapid growth of traffic. Consequently, the resources consumed by each user have to be limited. This implies that users cannot always be assigned the end-to-end bandwidth they ask for. LÄS MER