Sciweavers

568 search results - page 94 / 114
» Analysis of Wireless Sensor Network Protocols in Dynamic Sce...
Sort
View
ICNP
2009
IEEE
14 years 2 months ago
Scalable Video Multicast in Multi-carrier Wireless Data Systems
—Future 4G cellular networks are featured with high data rate and improved coverage, which will enable realtime video multicast and broadcast services. Scalable video coding is v...
Peilong Li, Honghai Zhang, Baohua Zhao, Sampath Ra...
ICC
2007
IEEE
133views Communications» more  ICC 2007»
14 years 1 months ago
Downlink TCP Performance Under Cross Layer Rate and Power Allocation in Infrastructure TH-PPM UWB Networks
Ultra wideband (UWB) systems are currently an important wireless infrastructure for efficient shortrange communications. To improve the system efficiency while guaranteeing the ra...
Yang Liu, Yu-Kwong Kwok, Jiangzhou Wang
AHSWN
2010
130views more  AHSWN 2010»
13 years 7 months ago
How Good is Opportunistic Routing? - A Reality Check under Rayleigh Fading Channels
Considerations of realistic channel dynamics motivate the design of a new breed of opportunistic schemes, such as opportunistic transmission, scheduling and routing. Compared to t...
Rong Zheng, Chengzhi Li
NETWORKING
2011
12 years 10 months ago
The Problem of Sensing Unused Cellular Spectrum
Abstract. Sensing mechanisms that estimate the occupancy of wireless spectrum are crucial to the success of approaches based on Dynamic Spectrum Access. In this paper, we present k...
Daniel Willkomm, Sridhar Machiraju, Jean Bolot, Ad...
MOBIHOC
2006
ACM
14 years 7 months ago
Data storage placement in sensor networks
Data storage has become an important issue in sensor networks as a large amount of collected data need to be archived for future information retrieval. This paper introduces stora...
Bo Sheng, Qun Li, Weizhen Mao