GLOBECOM
2007
IEEE
15 years 1 months ago
2007
IEEE
GLOBECOM
2007
IEEE
15 years 1 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
15 years 1 months ago
2007
IEEE
GLOBECOM
2007
IEEE
15 years 1 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
15 years 1 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
15 years 1 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
15 years 1 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
15 years 1 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
15 years 1 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
15 years 1 months ago
2007
IEEE
In this paper, robust transmit beamforming (BF) for transmission over frequency