Sciweavers

1716 search results - page 23 / 344
» Approximation Algorithms for Data Broadcast in Wireless Netw...
Sort
View
IWCMC
2006
ACM
14 years 1 months ago
A novel broadcast technique for high-density ad hoc networks
Broadcasting in ad hoc networks is required for many routing and other network-layer protocols to request information like routes or locations about destination nodes. Most of the...
Ai Hua Ho, Alexander J. Aved, Kien A. Hua
VLDB
2009
ACM
208views Database» more  VLDB 2009»
14 years 7 months ago
A distributed spatial index for error-prone wireless data broadcast
Information is valuable to users when it is available not only at the right time but also at the right place. To support efficient location-based data access in wireless data broad...
Baihua Zheng, Wang-Chien Lee, Ken C. K. Lee, Dik L...
TON
2008
133views more  TON 2008»
13 years 7 months ago
Optimal routing and data aggregation for maximizing lifetime of wireless sensor networks
An optimal routing and data aggregation scheme for wireless sensor networks is proposed in this paper. The objective is to maximize the network lifetime by jointly optimizing data ...
Cunqing Hua, Tak-Shing Peter Yum
GLOBECOM
2009
IEEE
13 years 5 months ago
Efficient Data Collection for Wireless Networks: Delay and Energy Tradeoffs
In this paper, we study efficient data collection for wireless sensor networks. We present efficient distributed algorithms with approximately the minimum delay, or the minimum mes...
Chao Ren, XuFei Mao, Xiang-Yang Li, Ping Xu, Guoju...
MM
2009
ACM
160views Multimedia» more  MM 2009»
14 years 2 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