Sciweavers

GLOBECOM
2008
IEEE
13 years 11 months ago
Computing the Receive Spatial Correlation for a Multi-Cluster MIMO Channel Using Different Array Configurations
Spatial correlation among received signals has a significant impact on the performance of a multipleinput multiple-output (MIMO) system. In prior research, expressions were derived...
Ramya Bhagavatula, Robert W. Heath Jr.
GLOBECOM
2008
IEEE
13 years 11 months ago
Modified Beacon-Enabled IEEE 802.15.4 MAC for Lower Latency
Industrial sensing, monitoring and automation offer a lucrative application domain for networking and communications. Wired sensor networks have traditionally been used for these ...
G. Bhatti, A. Mehta, Zafer Sahinoglu, J. Zhang, R....
GLOBECOM
2008
IEEE
13 years 11 months ago
Influence of Node Location Distributions on the Structure of Ad Hoc and Mesh Networks
We study the impact of the distribution of node locations on key properties of wireless networks. In particular, using Monte Carlo simulations we study in detail the behavior of av...
Janne Riihijärvi, Marina Petrova, Petri M&aum...
GLOBECOM
2008
IEEE
13 years 11 months ago
Channel Modeling of Wireless Networks in Tunnels
The propagation characteristics of electromagnetic (EM) waves in tunnels are significantly different from those in terrestrial environment. However, the current tunnel channel mode...
Zhi Sun, Ian F. Akyildiz
GLOBECOM
2008
IEEE
13 years 11 months ago
Secure Location Verification for Vehicular Ad-Hoc Networks
In this paper, we examine one of the security issues in vehicular ad-hoc network (VANETs): position-spoofing attack. We propose a novel Secure Location Verification (SLV) scheme to...
Joo-Han Song, Victor W. S. Wong, Vincent C. M. Leu...
GLOBECOM
2008
IEEE
13 years 11 months ago
On the Capacity of One-Sided Two User Gaussian Fading Broadcast Channels
In this paper, we investigate upper and lower bounds on the capacity of two-user fading broadcast channels where one of the users has a constant (non-fading) channel. We use the Co...
Amin Jafarian, Sriram Vishwanath
GLOBECOM
2008
IEEE
13 years 11 months ago
Alternating Cooperative Transmission for Energy-Efficient Broadcasting
We propose a broadcast protocol that is based on a form of cooperative diversity called the Opportunistic Large Array (OLA). In the initial broadcast, an SNR ("transmission&qu...
Aravind Kailas, Mary Ann Ingram
GLOBECOM
2008
IEEE
13 years 11 months ago
Maximum-Lifetime Coding Subgraph for Multicast Traffic in Wireless Sensor Networks
It has been shown that network coding can lead to significant improvement in network capacity and reduction in power consumption for multicast traffic in wireless networks. In this...
Vahid Shah-Mansouri, Vincent W. S. Wong
GLOBECOM
2008
IEEE
13 years 11 months ago
LN-MAC: a Cross-layer Explicit Loss Notification Solution for TCP over IEEE 802.11
WiFi, i.e., IEEE 802.11 is one of the most widely used technologies to implement internet access in today's networks. Typical frame error rates in IEEE 802.11 are much higher ...
Ayyappan Ravichandran, Marco Tacca, Michael Welzl,...
GLOBECOM
2008
IEEE
13 years 11 months ago
Power Efficient Throughput Maximization in Multi-Hop Wireless Networks
Abstract-- We study the problem of total throughput maximization in arbitrary multi-hop wireless networks, with constraints on the total power usage (denoted by PETM), when nodes h...
Deepti Chafekar, V. S. Anil Kumar, Madhav V. Marat...