464 search results - page 32 / 93 » Detecting the number of signals in wireless DS-CDMA networks |
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
— In cognitive radio, spectrum sensing is a key component to detect spectrum holes (i.e., channels not used by any primary users). Collaborative spectrum sensing among the cognit...
ICRA
2006
IEEE
14 years 1 months ago
2006
IEEE
— This paper considers the problem of tracking an unknown number of targets using a wireless sensor network for surveillance. In particular, we consider the case in which each se...
ICC
2008
IEEE
14 years 2 months ago
2008
IEEE
— Energy-ef ciency is one of the major concerns in wireless sensor networks since it impacts the network lifetime. In this paper, we investigate the relationship between sensor n...
ICON
2007
IEEE
14 years 1 months ago
2007
IEEE
— Wireless ad hoc networks often require a method for estimating their nodes’ locations. Typically this is achieved by the use of pair-wise measurements between nodes and their...
SODA
2010
ACM
14 years 5 months ago
2010
ACM
The linear deterministic model of relay channels is a generalization of the traditional directed network model which has become popular in the study of the flow of information ove...