Sciweavers

IWCMC
2009
ACM
14 years 6 months ago
Adaptive video streaming over a mobile network with TCP-friendly rate control
This paper investigates the performance of TCP-Friendly Rate Control (TFRC) to control the transmission rate of scalable video streams when used in a mobile network. The streams a...
Ktawut Tappayuthpijarn, Günther Liebl, Thomas...
IWCMC
2009
ACM
14 years 6 months ago
A cognitive radio system for home theatre "5+1 audio" surround applications
This paper presents the application of cognitive algorithm for a stream diffusion in home theatre “5+1 audio” surround applications. We develop a wavelet-based method to effic...
Valeria Orani, Vlad Popescu, Maurizio Murroni
IWCMC
2009
ACM
14 years 6 months ago
Probabilistic counter-based route discovery for mobile ad hoc networks
Conventional on-demand route discovery for ad hoc routing protocols extensively use simple flooding, which could potentially lead to high channel contention, causing redundant ret...
Aminu Mohammed, Mohamed Ould-Khaoua, Lewis M. Mack...
IWCMC
2009
ACM
14 years 6 months ago
Dynamic trust establishment in emergency ad hoc networks
This paper proposes a dynamic trust establishment protocol that enables the nodes of an ad hoc network to establish security associations among each other in a distributed and pee...
Christos A. Papageorgiou, Konstantinos Birkos, Tas...
IWCMC
2009
ACM
14 years 6 months ago
Carrier sense multiple access with enhanced collision avoidance: a performance analysis
Abstract—Carrier Sense Multiple Access with Enhanced Collision Avoidance (CSMA/ECA) is a recently proposed modification to the well-known CSMA/CA protocol. By using a determinis...
Jaume Barceló, Boris Bellalta, Cristina Can...
IWCMC
2009
ACM
14 years 6 months ago
On the capacity of BICM with QAM constellations
Abstract—In this tutorial paper we analyze the capacity of bitinterleaved coded modulation (BICM) with quadrature amplitude modulation (QAM) constellations, and we pay special at...
Alex Alvarado, Erik Agrell, Arne Svensson
IWCMC
2009
ACM
14 years 6 months ago
Effect of feedback prediction on OFDMA system throughput
In wireless communication systems, adaptive modulation and coding (AMC) is used to improve the downlink (DL) spectral efficiency by exploiting the underlying channel condition. Ho...
Mohammad Abdul Awal, Lila Boukhatem
IWCMC
2009
ACM
14 years 6 months ago
Joint turbo equalization for relaying schemes over frequency-selective fading channels
We propose a single carrier joint frequency domain equalization and interference cancellation (FDE-IC) with diversity combining for different relaying schemes. We consider amplif...
Houda Chafnaji, Tarik Ait-Idir, Halim Yanikomerogl...
IWCMC
2009
ACM
14 years 6 months ago
Optimal cooperative spectrum sensing in cognitive sensor networks
This paper addresses the problem of optimal cooperative spectrum sensing in a cognitive-enabled sensor network where cognitive sensors can cooperate in the sensing of the spectrum...
Hai Ngoc Pham, Yan Zhang, Paal E. Engelstad, Tor S...
IWCMC
2009
ACM
14 years 6 months ago
Quantized transmit beamforming with antenna selection in a MIMO channel
For a point-to-point multi-input multi-output (MIMO) wireless channel, we propose a feedback scheme, which consists of transmit-antenna selection algorithm and beamforming quantiz...
Wiroonsak Santipach