Sciweavers

646 search results - page 80 / 130
» A Spatially Dependent Communication Model for Ubiquitous Sys...
Sort
View
INFOCOM
2003
IEEE
14 years 1 months ago
IMPORTANT: A framework to systematically analyze the Impact of Mobility on Performance of RouTing protocols for Adhoc NeTworks
— A Mobile Ad hoc Network (MANET) is a collection of wireless mobile nodes forming a temporary network without using any existing infrastructure. Since not many MANETs are curren...
Fan Bai, Narayanan Sadagopan, Ahmed Helmy
MSWIM
2006
ACM
14 years 2 months ago
Two methods of authenticated positioning
Recent studies and publications have shown a demand for a secure method to proof someones or somenthings position via a communication channel. In this paper we present a concept a...
Thomas Mundt
MDM
2009
Springer
115views Communications» more  MDM 2009»
14 years 2 months ago
Supporting Contexts for Indoor Navigation Using a Multilayered Space Model
Indoor navigation highly depends on context and requires flexible data structures to support the many use cases and configurations. For example, an indoor navigation system must c...
Thomas Becker, Claus Nagel, Thomas H. Kolbe
PIMRC
2010
IEEE
13 years 6 months ago
Analysis of 3GPP LTE-Advanced cell spectral efficiency
Multihop and multipoint transmissions are two of the main features towards an increased spectral efficiency for the LTE-Advanced mobile radio system. Fixed wireless relays with in-...
Daniel Bültmann, Torsten Andre, Rainer Schoen...
HSNMC
2004
Springer
158views Multimedia» more  HSNMC 2004»
14 years 1 months ago
HMM-Based Monitoring of Packet Channels
Abstract. Performance of real-time applications on network communication channels are strongly related to losses and temporal delays. Several studies showed that these network feat...
Pierluigi Salvo Rossi, Francesco Palmieri, Giulio ...