Sciweavers

1358 search results - page 11 / 272
» Mapping Accessibility Over Time
Sort
View
TIP
2008
85views more  TIP 2008»
14 years 11 months ago
Resource Allocation for Error Resilient Video Coding Over AWGN Using Optimization Approach
The number of slices for error resilient video coding is jointly optimized with 802.11a-like media access control and the physical layers with automatic repeat request and rate com...
Cheolhong An, Truong Q. Nguyen
WWW
2008
ACM
16 years 13 days ago
Temporal views over rdf data
Supporting fast access to large RDF stores has been one of key challenges for enabling use of the Semantic Web in real-life applications, more so in sensor-based systems where lar...
Craig Sayers, Geetha Manjunath, K. S. Venugopal, R...
ICC
2009
IEEE
196views Communications» more  ICC 2009»
15 years 6 months ago
Joint Flow Control, Routing and Medium Access Control in Random Access Multi-Hop Wireless Networks
This work extends the existing static framework for joint flow control, routing and medium access control (MAC) in random access multi-hop wireless networks to a dynamic framewor...
Sucha Supittayapornpong, Poompat Saengudomlert
VTC
2008
IEEE
189views Communications» more  VTC 2008»
15 years 6 months ago
Selective Mapping with Symbol Re-Mapping for OFDM/TDM Using MMSE-FDE
—Orthogonal frequency division multiplexing (OFDM) signals have a problem with high peak-to-average power ratio (PAPR). A distortionless selective mapping (SLM) has been proposed...
Haris Gacanin, Fumiyuki Adachi
ICC
2007
IEEE
15 years 6 months ago
Digital Code Tracking Loops Over Frequency-Selective Fading Channels
Abstract— The performance of a noncoherent digital delaylock loop (DDLL) with a RAKE scheme for direct-sequence spread-spectrum code division multiple access (DS/SS-CDMA) signals...
Tsan-Ming Wu, Tsung-Hua Tsai