70 search results - page 8 / 14 » Energy-aware adaptive OFDM systems |
VTC
2006
IEEE
14 years 1 months ago
2006
IEEE
When adapting the transmitter to the channel state information (CSI), improved transmission is possible compared to the open loop system where no CSI is provided at the transmitte...
WCNC
2008
IEEE
14 years 1 months ago
2008
IEEE
— In this paper, we investigate two selective relaying schemes in cooperative OFDM systems. Selective OFDMA relaying, where the relay selection is performed in a per-subcarrier m...
TWC
2008
13 years 7 months ago
2008
In this paper, real-time video transmission with quality of service (QoS) assurance over orthogonal frequency division multiplexing (OFDM) wireless systems is studied. Three quasi-...
GLOBECOM
2007
IEEE
14 years 1 months ago
2007
IEEE
—This paper simulates a typical indoor MIMO-UWB OFDM system using computational electromagnetics. The goal is to create a simulation using a real world environment and taking int...
GLOBECOM
2006
IEEE
14 years 1 months ago
2006
IEEE
Abstract— We propose low-complexity equalizers for Alamouti space-time coded orthogonal frequency-division multiplexing (OFDM) systems in time- and frequency-selective channels, ...