GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
We consider optimal allocation of resources to users in a downlink OFDMA system to support heterogeneous applications consisting of both deadline-sensitive (DS) and best-effort (BE...
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
Traditional IP Multicast has been proposed in order to manage group communications over the Internet in a bandwidth efficient manner. Although this proposition has been well studie...
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
In this paper, we derive an optimal resource allocation algorithm for ergodic weighted-sum capacity maximization in OFDMA systems assuming the availability of only partial (imperfe...
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
Ad-hoc networks and sensor networks, where nodes communicate with each other without fixed infrastructure, are of great importance for many industrial, environmental, and safety-r...
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
Abstract-- In this paper, we address both lifetime and survivability issues in wireless sensor networks (WSNs). We present an easy-to-implement clustering method called DED (distri...
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
We propose a spectrally efficient transmission scheme for the half-duplex relay channel. In the proposed scheme, the relay combines N detected r-dimensional symbols and generates M...
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
Under device failures and maintenance activities, network resources reduce and congestion may arise inside networks. As a result, users experience degraded performance on packet d...
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
In this paper, robust transmit beamforming (BF) for transmission over frequency