GLOBECOM
2010
IEEE
13 years 7 months ago
2010
IEEE
One challenge in delay tolerant networks (DTNs) is efficient routing, as the lack of contemporaneous end-to-end paths makes conventional routing schemes inapplicable. Many existing...
GLOBECOM
2010
IEEE
13 years 7 months ago
2010
IEEE
Abstract--Several underwater network characteristics, including long propagation delays and a bandwidth dependent on distance, provide unique challenges to protocol designers. In t...
GLOBECOM
2010
IEEE
13 years 7 months ago
2010
IEEE
We consider the channel selection problem in a cognitive radio network with heterogenous channel availabilities at different nodes. We formulate the maximum channel selection (MCS)...
GLOBECOM
2010
IEEE
13 years 7 months ago
2010
IEEE
We study the energy consumption of individual links in wireless sensor networks (WSN). Three widely used digital modulation schemes, i.e. MQAM, MPSK, and MFSK, are analyzed and com...
GLOBECOM
2010
IEEE
13 years 7 months ago
2010
IEEE
As the date rates and bandwidths of communication systems scale up, the cost and power consumption of highprecision (e.g., 8-12 bits) analog-to-digital converters (ADCs) become pro...
GLOBECOM
2010
IEEE
13 years 7 months ago
2010
IEEE
We propose an adaptive transmission technique for optical wireless (OW) systems, operating in atmospheric turbulence and employing subcarrier phase shift keying (S-PSK) intensity m...
GLOBECOM
2010
IEEE
13 years 7 months ago
2010
IEEE
In network tomography, we seek to infer link status parameters (such as delay) inside a network through end-toend probe sending between (external) boundary nodes. The main challeng...
GLOBECOM
2010
IEEE
13 years 7 months ago
2010
IEEE
Mobile Ad hoc Networks (MANET) have been highly vulnerable to attacks due to the dynamic nature of its network infrastructure. Among these attacks, routing attacks have received co...
GLOBECOM
2010
IEEE
13 years 7 months ago
2010
IEEE
Abstract-- Cooperative communications can be used to improve communication reliability. However, the transmissions from different relaying nodes result in a great challenge in prac...
GLOBECOM
2010
IEEE
13 years 7 months ago
2010
IEEE
Abstract--A common concept to mitigate the effects of spectrum scarcity is to allow opportunistic dynamic spectrum access (DSA) to licensed frequency bands. In this context, the li...