Sciweavers

GLOBECOM
2007
IEEE
14 years 5 months ago
DSR-Based Directional Routing Protocol for Ad Hoc Networks
Abstract— In this paper, a Dynamic Source Routing (DSR)based directional routing protocol is invoked for wireless ad hoc networks using directional antennas. This is designed to ...
Bin Hu, Hamid Gharavi
GLOBECOM
2007
IEEE
14 years 5 months ago
Analysis of MIMO Beamforming with Channel Response Variations Over the Frame Interval
Abstract— Important throughput improvements in multipleinput multiple-output (MIMO) fading channels can be obtained by merging beamforming at the transmitter and maximal ratio co...
Eduardo Martos-Naya, José F. Paris, Unai Fe...
GLOBECOM
2007
IEEE
14 years 5 months ago
Bit Rearrangement for MIMO Retransmissions
— In this paper, we propose a new hybrid automatic repeat request (H-ARQ) scheme in MIMO. The proposed scheme performs bit-level exchanges and modifications every retransmission...
Sung Ho Moon, Hyung Ho Park, Andrea J. Goldsmith, ...
GLOBECOM
2007
IEEE
14 years 5 months ago
Downlink MIMO Block Diagonalization in the Presence of Other-Cell Interference
— Block diagonalization is one approach for linear precoding in the multiple-input multiple-output broadcast channel that sends multiple interference free data streams to differe...
Seijoon Shim, Jin Sam Kwak, Robert W. Heath Jr., J...
GLOBECOM
2007
IEEE
14 years 5 months ago
Secure Key Management Architecture Against Sensor-Node Fabrication Attacks
Abstract—In lightweight mobile ad hoc networks, both probabilistic and deterministic key management schemes are fragile to node fabrication attacks. Our simulation results show t...
Jeffrey S. Dwoskin, Dahai Xu, Jianwei Huang, Mung ...
GLOBECOM
2007
IEEE
14 years 5 months ago
Designing Infrastructure-Based Overlay Networks for Delay-Sensitive Group Communications
— Infrastructure-based overlay networks have been proposed to support the quality of service requirements of a wide range of applications. In this paper, we study using infrastru...
Shaoyu Yang, Yoo-Ah Kim, Bing Wang
GLOBECOM
2007
IEEE
14 years 5 months ago
On Signal Processing Methods for MIMO Relay Architectures
— Relay networks have received considerable attention recently, especially when limited size and power resources impose constraints on the number of antennas within a wireless se...
Alireza Shahan Behbahani, Ricardo Merched, Ahmed M...
GLOBECOM
2007
IEEE
14 years 5 months ago
Gaussian Approximations for Carrier Sense Modeling in Wireless Ad Hoc Networks
— Physical carrier sense for wireless multihop networks has attracted a certain degree of attention since it is a simple yet important mechanism for distributed channel access. S...
Francesco Rossetto, Michele Zorzi
GLOBECOM
2007
IEEE
14 years 5 months ago
Power Efficient IP Lookup with Supernode Caching
— In this paper, we propose a novel supernode caching scheme to reduce IP lookup latencies and energy consumption in network processors. In stead of using an expensive TCAM based...
Lu Peng, Wencheng Lu, Lide Duan
GLOBECOM
2007
IEEE
14 years 5 months ago
Spatial Multiplexing in the Multi-User MIMO Downlink Based on Signal-to-Leakage Ratios
Abstract—Spatial multiplexing in the multi-user MIMO (MUMIMO) downlink allows each user in the system to receive multiple data subchannels simultaneously using the same time and ...
Melvin C. H. Lim, Mounir Ghogho, Desmond C. McLern...