Sciweavers

639 search results - page 23 / 128
» Minimizing transmission energy in wireless video communicati...
Sort
View
ESA
2006
Springer
140views Algorithms» more  ESA 2006»
15 years 1 months ago
Latency Constrained Aggregation in Sensor Networks
A sensor network consists of sensing devices which may exchange data through wireless communication. A particular feature of sensor networks is that they are highly energy constrai...
Luca Becchetti, Peter Korteweg, Alberto Marchetti-...
71
Voted
ICC
2007
IEEE
184views Communications» more  ICC 2007»
15 years 4 months ago
Lifetime Improvement of Wireless Sensor Networks by Collaborative Beamforming and Cooperative Transmission
Abstract— Extending network lifetime of battery-operated devices is a key design issue that allows uninterrupted information exchange among distributive nodes in wireless sensor ...
Zhu Han, Harold Vincent Poor
84
Voted
MM
2009
ACM
160views Multimedia» more  MM 2009»
15 years 4 months ago
On statistical multiplexing of variable-bit-rate video streams in mobile systems
We consider the problem of broadcasting multiple variable-bit-rate (VBR) video streams from a base station to many mobile devices over a wireless network, so that: (i) perceived q...
Cheng-Hsin Hsu, Mohamed Hefeeda
DCC
2000
IEEE
14 years 9 months ago
Data Partitioning and Reversible Variable Length Codes for Robust Video Communications
Low bit-rate multimedia communication over wireless channels has received much attention recently. A key challenge in low bit-rate wireless communication is the very high error ra...
Adam H. Li, Surin Kittitornkun, Yu Hen Hu, Dong-Se...
72
Voted
GLOBECOM
2009
IEEE
15 years 4 months ago
MRSD: Multirate-Based Service Differentiation for the IEEE 802.15.4 Wireless Sensor Network
—The IEEE 802.15.4 standard has no provisions for rate sensitive applications because of its ability to operate in pure CSMA/CA or TDMA modes. Some operating scenarios for rate-s...
Chewoo Na, Yaling Yang