Sciweavers

WCNC
2008
IEEE
14 years 7 months ago
WiFlex: Multi-Channel Cooperative Protocols for Heterogeneous Wireless Devices
—1 In ISM bands, many wireless protocols proliferate such as 802.11, Bluetooth, and ZigBee. However, these incompatible protocols create complex coexistence and connectivity prob...
Jiwoong Lee, Jeonghoon Mo, Tran Minh Trung, Jean C...
WCNC
2008
IEEE
14 years 7 months ago
On Spatial Reuse and Capture in Ad Hoc Networks
—Neighbors of both the transmitter and the receiver must keep quiet in a 802.11 wireless network as it requires bidirectional exchange, i.e., nodes reverse their roles as transmi...
Naveen Santhapuri, Srihari Nelakuditi, Romit Roy C...
WCNC
2008
IEEE
14 years 7 months ago
Locate More Nodes in Under Water Sensor Networks Using Out-of-Range Information
Abstract—The sparse network topology, coupled with the limited availability of reference nodes in Under Water Sensor Network (UWSN), significantly reduces the effectiveness of m...
Hui Ling, Taieb Znati
WCNC
2008
IEEE
14 years 7 months ago
Senslets- Applets for the Sensor Internet
The Sensor Internet provides access to sensor services by connecting sensor nodes to the Internet infrastructure. To achieve this, current solutions rely on fixed access points or ...
Frank Siegemund, Muhammad Haroon, Junaid Ansari, P...
WCNC
2008
IEEE
14 years 7 months ago
Arbutus: Network-Layer Load Balancing for Wireless Sensor Networks
—The hot spot problem is a typical byproduct of the many-to-one traffic pattern that characterizes most wireless sensor networks: the nodes with the best channel to the sink are ...
Daniele Puccinelli, Martin Haenggi
WCNC
2008
IEEE
14 years 7 months ago
Selective Relaying in Cooperative OFDM Systems: Two-Hop Random Network
— In this paper, we investigate two selective relaying schemes in cooperative OFDM systems. Selective OFDMA relaying, where the relay selection is performed in a per-subcarrier m...
Bo Gui, Lin Dai, Leonard J. Cimini Jr.
WCNC
2008
IEEE
14 years 7 months ago
Combining Cricket System and Inertial Navigation for Indoor Human Tracking
—We present a system-level approach to localizing and tracking users on a basis of different sources of location information. We have applied a combination of the Cricket system ...
Michael Popa, Junaid Ansari, Janne Riihijärvi...
WCNC
2008
IEEE
14 years 7 months ago
Estimation of Interference-Free Transmit Power for Opportunistic Spectrum Access
Abstract— We consider a scenario in which frequency agile radios opportunistically share a fixed spectrum resource with a set of primary nodes. We develop a collaborative scheme...
Brian L. Mark, Ahmed O. Nasif
WCNC
2008
IEEE
14 years 7 months ago
Clustering Characteristics of Millimeter Wave Indoor Channels
—Temporal-Angular channel sounding measurements of an indoor millimeter wave channel (60 GHz) is analyzed to determine whether ray arrivals at the receiver form clusters in the t...
Behnam Neekzad, Kamran Sayrafian-Pour, John S. Bar...
WCNC
2008
IEEE
14 years 7 months ago
Physical Carrier Sensing Outage in Single Hop IEEE 802.11 Ad Hoc Networks with Slowly Moving Stations
—Physical Carrier Sensing plays a crucial role in the effectiveness of CSMA-based MAC protocols, yet its properties and impact on the system performance under slow fading channel...
Jin Sheng, Kenneth S. Vastola