Sciweavers

GLOBECOM
2007
IEEE
14 years 4 months ago
Iterative Channel Estimation for IDMA Systems in Time-Varying Channels
— In this paper, we develop low-complexity iterative channel estimation techniques for emerging IDMA systems. The channel estimators make use of pilots as well as soft decoded da...
Xiangyun Zhou, Zhenning Shi, Mark C. Reed
GLOBECOM
2007
IEEE
14 years 4 months ago
Soft Sensing and Optimal Power Control for Cognitive Radio
We consider a cognitive radio system where the secondary transmitter varies its transmit power based on all the information available from the spectrum sensor. The operation of th...
Sudhir Srinivasa, Syed Ali Jafar
GLOBECOM
2007
IEEE
14 years 4 months ago
Spectral Properties and Interpolation Error Analysis for Variable Sample Rate Conversion Systems
—The problem of variable sample rate conversion (SRC) has received much attention on account of its applications in software defined radios (SDRs) that must support a wide varie...
Andre Tkacenko
GLOBECOM
2007
IEEE
14 years 4 months ago
Inherent Security of Routing Protocols in Ad-Hoc and Sensor Networks
Many of the routing protocols that have been designed for wireless ad-hoc networks focus on energy-efficiency and guaranteeing high throughput in a non-adversarial setting. Howev...
Tanya Roosta, Sameer Pai, Phoebus Chen, Shankar Sa...
GLOBECOM
2007
IEEE
14 years 4 months ago
Reduced Complexity Sphere Decoding for Square QAM via a New Lattice Representation
— Sphere decoding (SD) is a low complexity maximum likelihood (ML) detection algorithm, which has been adapted for different linear channels in digital communications. The comple...
Luay Azzam, Ender Ayanoglu
GLOBECOM
2007
IEEE
14 years 4 months ago
Detection of Colluding Misbehaving Nodes in Mobile Ad Hoc and Wireless Mesh Networks
Abstract—Ubiquitous network connectivity and mobile communications have recently attracted remarkable attention. Wireless multihop networks such as Mobile Ad hoc Networks or Wire...
Kalman Graffi, Parag S. Mogre, Matthias Hollick, R...
GLOBECOM
2007
IEEE
14 years 4 months ago
Distributed Call Admission Protocol for Multi-Channel Multi-Radio Wireless Networks
- In this paper we propose a distributed call admission control protocol (DCAC) to provide bandwidth and delay guaranteed Quality of Service (QoS) in multihop wireless mesh network...
Yi Hu, Xiang-Yang Li, Haiming Chen, Xiaohua Jia
GLOBECOM
2007
IEEE
14 years 4 months ago
Power Management for Cognitive Radio Platforms
This paper discusses how the cognitive radio concept can be extended to allow the system not only to manage shared resources such as spectrum, but to use this knowledge to optimize...
Amin Khajeh, Shih-Yang Cheng, Ahmed M. Eltawil, Fa...
GLOBECOM
2007
IEEE
14 years 4 months ago
A Simulation Study of GELS for Ethernet Over WAN
Saqib M. Ilyas, Atif Nazir, Fawaz S. Bokhari, Zart...
GLOBECOM
2007
IEEE
14 years 4 months ago
On the Long-Range Dependent Behaviour of Unidirectional Packet Delay of Wireless Traffic
— In contrast to aggregate inter-packet metrics that quantify the arrival processes of aggregate traffic at a single point in the network, intraflow end-to-end per-packet perform...
Dimitrios P. Pezaros, Manolis Sifalakis, David Hut...