Sciweavers

ICC
2008
IEEE
161views Communications» more  ICC 2008»
13 years 11 months ago
Channel Estimation and Adaptive M-QAM in Cognitive Radio Links
—Cognitive radios have the ability to sense their RF environment and adapt their transmission parameters to perform optimally in any situation. Part of this involves selecting th...
Alkan Soysal, Sennur Ulukus, T. Charles Clancy
GLOBECOM
2008
IEEE
13 years 11 months ago
Capacity Analysis for OFDM Systems with Transceiver I/Q Imbalance
—OFDM systems have gained utmost importance for wireless communications requiring ever higher data rates. The maximum data rate that can be achieved is, however, limited by the w...
Stefan Krone, Gerhard Fettweis
SAMOS
2009
Springer
13 years 11 months ago
Multiple Description Scalable Coding for Video Transmission over Unreliable Networks
Developing real time multimedia applications for best effort networks such as the Internet requires prohibitions against jitter delay and frame loss. This problem is further compl...
Roya Choupani, Stephan Wong, Mehmet R. Tolun
ISCA
2009
IEEE
180views Hardware» more  ISCA 2009»
13 years 11 months ago
Decoupled DIMM: building high-bandwidth memory system using low-speed DRAM devices
The widespread use of multicore processors has dramatically increased the demands on high bandwidth and large capacity from memory systems. In a conventional DDR2/DDR3 DRAM memory...
Hongzhong Zheng, Jiang Lin, Zhao Zhang, Zhichun Zh...
INFOCOM
2009
IEEE
13 years 11 months ago
TCP/IP Timing Channels: Theory to Implementation
—There has been significant recent interest in covert communication using timing channels. In network timing channels, information is leaked by controlling the time between tran...
Sarah H. Sellke, Chih-Chun Wang, Saurabh Bagchi, N...
ICC
2009
IEEE
133views Communications» more  ICC 2009»
13 years 11 months ago
Reducing Average Power in Wireless Sensor Networks through Data Rate Adaptation
—The use of variable data rate can reduce network latency and average power consumption, and automatic rate selection is critical for improving scalability and minimizing network...
Steven Lanzisera, Ankur Mehta, Kristofer S. J. Pis...
GLOBECOM
2009
IEEE
13 years 11 months ago
Rate Adaptation with NAK-Aided Loss Differentiation in 802.11 Wireless Networks
—The Physical Layer of the IEEE 802.11 standard family provides a set of different modulation and coding schemes and, thus, a multitude of data rates. However, the Standard itsel...
Anne N. Ngugi, Yuanzhu Peter Chen, Qing Li
BSN
2009
IEEE
118views Sensor Networks» more  BSN 2009»
13 years 11 months ago
Minimising Loss-Induced Errors in Real Time Wireless Sensing by Avoiding Data Dependency
Abstract—The use of local processing to reduce data transmission rates, and thereby power and bandwidth requirements, is common in wireless sensor networks. Achieving the minimum...
A. D. Young, M. J. Ling
ICIP
2002
IEEE
14 years 6 months ago
Data rate smoothing in interactive walkthrough applications using 2D prefetching
Compared to a geometric approach, image based rendering applied to 3D view reconstruction doesn't require 3D model construction and doesn't depend on the complexity of t...
Vitali Zagorodnov, Peter J. Ramadge