464 search results - page 54 / 93 » Detecting the number of signals in wireless DS-CDMA networks |
IEICET
2006
13 years 7 months ago
2006
Ultra wideband (UWB) signal propagation was measured and characterized in comparison with narrowband in a passenger-car compartment, to accommodate a design of new wireless devices...
WONS
2012
IEEE
12 years 3 months ago
2012
IEEE
—The IEEE 802.15.4 standard specifies an M-ary spread spectrum system with public and fixed spreading sequences. We propose instead to use secret and dynamic, random spreading ...
ICDCN
2010
Springer
14 years 2 months ago
2010
Springer
Conventional wireless networks employ a contention based channel access mechanism, which not only imposes high latency but also reduces goodput of the network. Lack of interference...
JCST
2010
13 years 6 months ago
2010
Abstract Location-aware technology spawns numerous unforeseen pervasive applications in a wide range of living, production, commence, and public services. This article provides an ...
SENSYS
2010
ACM
13 years 5 months ago
2010
ACM
Frequency overlap across wireless networks with different radio technologies can cause severe interference and reduce communication reliability. The circumstances are particularly...