Sciweavers

2059 search results - page 177 / 412
» A Directed Threshold - Signature Scheme
Sort
View
TAMC
2009
Springer
16 years 28 days ago
Preserving Privacy versus Data Retention
The retention of communication data has recently attracted much public interest, mostly because of the possibility of its misuse. In this paper, we present protocols that address ...
Markus Hinkelmann, Andreas Jakoby
SSDBM
2008
IEEE
101views Database» more  SSDBM 2008»
16 years 23 days ago
Scalable Ubiquitous Data Access in Clustered Sensor Networks
Wireless sensor networks have drawn much attention due to their ability to monitor ecosystems and wildlife habitats. In such systems, the data should be intelligently collected to ...
Yueh-Hua Lee, Alex Thomo, Kui Wu, Valerie King
WCNC
2008
IEEE
16 years 23 days ago
A Secure Routing Protocol in Proactive Security Approach for Mobile Ad-Hoc Networks
—Secure routing of Mobile Ad-hoc Networks (MANETs) is still a hard problem after years of research. We therefore propose to design a secure routing protocol in a new approach. Th...
Shushan Zhao, Akshai K. Aggarwal, Shuping Liu, Hua...
WCNC
2008
IEEE
16 years 23 days ago
On Spatial Reuse and Capture in Ad Hoc Networks
—Neighbors of both the transmitter and the receiver must keep quiet in a 802.11 wireless network as it requires bidirectional exchange, i.e., nodes reverse their roles as transmi...
Naveen Santhapuri, Srihari Nelakuditi, Romit Roy C...
ICC
2007
IEEE
120views Communications» more  ICC 2007»
16 years 22 days ago
Joint Power and Constellation Size Adaptation for Mobile Multicast Employing MQAM Over Wireless Fading Channels
Abstract— We propose a power and constellation-size adaptation scheme for the multicast system employing multilevel quadrature amplitude modulation (MQAM) with discrete constella...
Qinghe Du, Xi Zhang