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JUCS
2007
84views more  JUCS 2007»
14 years 10 days ago
Formal Representations of Learning Scenarios: A Methodology to Configure E-Learning Systems
: Nowadays, advanced E-Learning systems are generally pedagogy-aware. Commonly, these systems include facilities for defining so-called learning scenarios that reflect sophisticate...
Denis Helic
TIT
2008
76views more  TIT 2008»
14 years 10 days ago
On the Role of Estimate-and-Forward With Time Sharing in Cooperative Communication
In this paper, we focus on the general relay channel. We investigate the application of the estimate-and-forward (EAF) relaying scheme to different scenarios. Specifically, we stud...
Ron Dabora, Sergio D. Servetto
TIT
2008
87views more  TIT 2008»
14 years 10 days ago
Decode-and-Forward Relaying With Quantized Channel State Feedback: An Outage Exponent Analysis
The problem of resource allocation to maximize the outage exponent over a fading relay channel using the decodeand-forward protocol with quantized channel state feedback (CSF) is s...
Thanh Tùng Kim, Giuseppe Caire, Mikael Skog...
TIT
2008
134views more  TIT 2008»
14 years 10 days ago
Communication Over MIMO X Channels: Interference Alignment, Decomposition, and Performance Analysis
In a multiple-antenna system with two transmitters and two receivers, a scenario of data communication, known as the X channel, is studied in which each receiver receives data from...
Mohammad Ali Maddah-Ali, Abolfazl S. Motahari, Ami...
TCAD
2008
84views more  TCAD 2008»
14 years 10 days ago
Buffering Interconnect for Multicore Processor Designs
Recently, the microprocessor industry is headed in the direction of multicore designs in order to continue the chip performance growth. We investigate buffer insertion, which is a ...
Yifang Liu, Jiang Hu, Weiping Shi
MONET
2006
86views more  MONET 2006»
14 years 11 days ago
The ultra-wide bandwidth outdoor channel: From measurement campaign to statistical modelling
This paper proposes an investigation of propagation behaviour of Ultra
Marco Di Renzo, Fabio Graziosi, Riccardo Minutolo,...
ENVSOFT
2007
93views more  ENVSOFT 2007»
14 years 12 days ago
A distributed model of water balance in the Motueka catchment, New Zealand
A distributed water balance model is used to simulate the soil moisture regime of the Motueka catchment. The model is a major simplification of the Distributed HydrologyeVegetati...
Robbie M. Andrew, John R. Dymond
CORR
2006
Springer
129views Education» more  CORR 2006»
14 years 14 days ago
On the Optimality of the ARQ-DDF Protocol
The performance of the automatic repeat request-dynamic decode and forward (ARQ-DDF) cooperation protocol is analyzed in two distinct scenarios. The first scenario is the multiple...
Kambiz Azarian, Hesham El Gamal, Philip Schniter
COR
2006
110views more  COR 2006»
14 years 14 days ago
Curling's paradox
There is an age old debate in curling about whether it is better to be down one point with last shot, or ahead by one point without. The objective of this paper is to apply sensit...
Kent J. Kostuk, Keith A. Willoughby
CORR
2010
Springer
175views Education» more  CORR 2010»
14 years 16 days ago
Optimal Packet Scheduling in an Energy Harvesting Communication System
We consider the optimal packet scheduling problem in a single-user energy harvesting wireless communication system. In this system, both the data packets and the harvested energy ...
Jing Yang, Sennur Ulukus