Sciweavers

VTC
2008
IEEE
14 years 6 months ago
Hardware Simulator for MIMO Radio Channels: Design and Features of the Digital Block
– This paper presents the realization of the digital block of a hardware simulator of MIMO propagation channels for UMTS and WLAN applications. The hardware simulator must reprod...
Sylvie Picol, Gheorghe Zaharia, Dominique Houzet, ...
VTC
2008
IEEE
14 years 6 months ago
Multi-Code MC-CDMA Using Joint CDTD and Inter-Code Interference Cancellation
Abstract—In multicarrier code division multiple access (MCCDMA), a good bit error rate (BER) performance can be achieved by using frequency-domain equalization (FDE) based on the...
Kazuaki Takeda, Hiromichi Tomeba, Jiangzhou Wang, ...
VTC
2008
IEEE
162views Communications» more  VTC 2008»
14 years 6 months ago
A Selective Cluster Index Scheduling Method in OFDMA
—OFDM is an attractive solution for the design of future wireless communications due to its robustness to dispersion in multipath environments. Additional diversity gains can be ...
Marios Nicolaou, Angela Doufexi, Simon Armour
SECON
2008
IEEE
14 years 6 months ago
On Distributed Optimization Using Peer-to-Peer Communications in Wireless Sensor Networks
—We describe and evaluate a suite of distributed and computationally efficient algorithms for solving a class of convex optimization problems in wireless sensor networks. The pr...
Björn Johansson, Cesare M. Carretti, Mikael J...
SECON
2008
IEEE
14 years 6 months ago
Optimal Buffer Management Policies for Delay Tolerant Networks
—Delay Tolerant Networks are wireless networks where disconnections may occur frequently due to propagation phenomena, node mobility, and power outages. Propagation delays may al...
Amir Krifa, Chadi Barakat, Thrasyvoulos Spyropoulo...
SECON
2008
IEEE
14 years 6 months ago
A Multi-AP Architecture for High-Density WLANs: Protocol Design and Experimental Evaluation
—Fast proliferation of IEEE 802.11 wireless devices has led to the emergence of High-Density (HD) Wireless Local Area Networks (WLANs), where it is challenging to improve the thr...
Yanfeng Zhu, Zhisheng Niu, Qian Zhang, Bo Tan, Zhi...
SECON
2008
IEEE
14 years 6 months ago
A First Step Towards Dynamic Profiling of Sensor-Based Systems
Application specific tuning has been shown to be beneficial for a variety of platforms, sensor-based systems are no exception. However, accurately capturing external stimuli or mo...
Srihari Sridharan, Susan Lysecky
SECON
2008
IEEE
14 years 6 months ago
Adaptive Radio Modes in Sensor Networks: How Deep to Sleep?
—Energy-efficient performance is a central challenge in sensor network deployments, and the radio is a major contributor to overall energy node consumption. Current energyeffic...
Raja Jurdak, Antonio G. Ruzzelli, Gregory M. P. O'...
SECON
2008
IEEE
14 years 6 months ago
Content Distribution in VANETs Using Network Coding: The Effect of Disk I/O and Processing O/H
Abstract—Besides safe navigation (e.g., warning of approaching vehicles), car to car communications will enable a host of new applications, ranging from office-on-the-wheel supp...
Seung-Hoon Lee, Uichin Lee, Kang-Won Lee, Mario Ge...