Sökning: "optical network"

Visar resultat 1 - 5 av 153 avhandlingar innehållade orden optical network.

1. 1. Reliability versus Cost in Next Generation Optical Access Networks

   Författare :Mozhgan Mahloo; Lena Wosinska; Jiaji Chen; David B Payne; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Fiber access network; passive optical network; reliability; techno-economic study; next generation optical access; network protection; wavelength division multiplexing;

   Sammanfattning : The ever increasing demands of Internet users caused by the introduction of new high bandwidth applications and online services as well as the growing number of users and devices connected to the Internet, bring many challenges for the operators, especially in the last mile section of the network. Next generation access architectures are expected to offer high sustainable bandwidth per user. LÄS MER

3. 2. Key Signal Processing Technologies for High-speed Passive Optical Networks

   Författare :Lei Xue; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; neural network; passive optical network; optical signal processing; digital signal processing; dispersion supported equalization; Optical access network; semiconductor optical amplifier;

   Sammanfattning : With emerging technologies such as high-definition video, virtual reality, and cloud computing, bandwidth demand in the access networks is ever-increasing. Passive optical network (PON) has become a promising architecture thanks to its low cost and easy management. LÄS MER

4. 3. Migration Towards Next Generation Optical Access and Transport Networks

   Författare :Kun Wang; Lena Wosinska; Jiajia Chen; Kjell Brunnström; Jason P. Jue; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Fiber To The Home FTTH ; Mobile backhaul fronthaul; Next Generation Optical Access network; Optical Transport Network OTN ; Network migration; Techno-Economic; Total Cost of Ownership TCO ; Capital expenditures CAPEX ; Operational expenditures OPEX ; Softer Defined Networking SDN ; Informations- och kommunikationsteknik; Information and Communication Technology; Electrical Engineering; Elektro- och systemteknik;

   Sammanfattning : By 2020 there will be 50 billion connected devices over the Internet. With the fast-increasing data traffic demand in both fixed and mobile networks, network operators need to migrate networks towards next generation solutions. LÄS MER

5. 4. Energy Saving vs. Performance: Trade-offs in Optical Networks

   Författare :Pawel Wiatr; Paolo Monti; Josep Solé-Pareta; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; energy-efficiency; optical networks; RWA; side-effects; device reliability performance; network performance; operational cost; benefits; loss; Informations- och kommunikationsteknik; Information and Communication Technology;

   Sammanfattning : The energy consumption of communication networks is continuously growing. Many energy saving approaches have been proposed at the device, system, and network level. The most promising way to address this problem is to utilize photonic technologies as much as possible thanks to their low energy consumption per bit performance. LÄS MER

7. 5. Dynamic Resource Provisioning and Survivability Strategies in Optical Networks

   Författare :Jawwad Ahmed; Lena Wosinska; Andrea Fumagalli; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; optical networks; passive optical networks; wavelength; routing; Survivability; protection; restoration; SRA - ICT; SRA - Informations- och kommunikationsteknik;

   Sammanfattning : Optical networks based on Wavelength Division Multiplexing (WDM) technology show many clear benefits in terms of high capacity, flexibility and low power consumption. All these benefits make WDM networks the preferred choice for today’s and future transports solutions which are strongly driven by a plethora of emerging online services. LÄS MER