Sökning: "wi-fi."

Visar resultat 1 - 5 av 44 uppsatser innehållade ordet wi-fi..

1. Energy-Efficient Vertical Handovers
Master-uppsats, KTH/Kommunikationssystem, CoS
Författare :José María Rodríguez Castillo; [2013]
Nyckelord :Vertical Handover; Offload; LTE; 4G; WLAN; Wi-Fi; Energy consumption; Energy savings; Energy-efficient; Handover; IEEE 802.11; Vertikal Handover; Avlastning; LTE; 4G; WLAN; Wi-Fi; Energiförbrukning; Energibesparingar; Energieffektiv; IEEE 802.11; Smartphone; Batteriets livslängd;

Sammanfattning : Recent studies have shown that there are currently more than 1.08 billion of Smartphones in the world, with around 89% of them used throughout the day. On average each of these users transfers more than 450 Mbytes per month via either a cellular network or a Wi-Fi network. LÄS MER
2. Potential Capacity for Wi-Fi system In TV White Space
Master-uppsats, KTH/Skolan för informations- och kommunikationsteknik (ICT)
Författare :Yanpeng Yang; [2012]
Nyckelord :;

Sammanfattning : In recent years, the demand of bandwidth has increased rapidly due to the growth of new technologies in wireless communication systems along with the rise of traffic flow. This has made the radio spectrum in a short supply. LÄS MER
3. LTE MIMO Performance Measurements on Trains
Master-uppsats, KTH/Skolan för informations- och kommunikationsteknik (ICT)
Författare :Mohammad Alasali; [2012]
Nyckelord :;

Sammanfattning : Providing passengers internet on board trains with continuous connectivity at high speeds and over large rural distances is a challenging issue. A promising solution to the problem is to use an on board WI-FI network combined with a cellular radio system connected to the LTE (long term evolution) 900/800MHz networks deployed outside the train. LÄS MER

4. Open access femtocell business feasibilitywith TV White Space usage
Master-uppsats, KTH/Skolan för informations- och kommunikationsteknik (ICT)
Författare :Christodoulos Chiras; [2012]
Nyckelord :;

Sammanfattning : Femtocell technology and TV White Space are two dierent entities that have not been thoroughly researched under the common goal of indoor mobile broadband access. In this thesis the combination of these two technologies is examined through the prism of four dierent actors: Mobile Network Operator, Facility Owner, Wi-Fi operator and TV White Space Only operator. LÄS MER
5. A study and analysis of Public WiFi
Master-uppsats, Linköpings universitet/Linköpings universitet/Institutionen för datavetenskapTekniska högskolan
Författare :Irfan Ullah; [2012]
Nyckelord :IT;

Sammanfattning : Wireless technologies for computer communications are today common. There are numerous wireless communication technologies with different properties and markets such as IEEE 802.11, 3G, and Long Term Evolution (LTE). LÄS MER