178 search results - page 3 / 36 » An iterative power allocation algorithm in OFDM system based... |
GLOBECOM
2009
IEEE
13 years 11 months ago
2009
IEEE
We study the joint allocation of three types of resources, namely, power, subcarriers and relay nodes, in cooperative two-hop multi-relay OFDM systems. Each relay adopts the amplif...
VTC
2006
IEEE
14 years 1 months ago
2006
IEEE
— This paper introduces a resource allocation strategy which focuses on minimizing power consumption in Orthogonal Frequency Division Multiplexing(OFDM) systems. In case of multi...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
— This paper develops linear precoding schemes for the downlink in multiuser multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems with ...
INFOCOM
2008
IEEE
14 years 1 months ago
2008
IEEE
— We study the end-to-end resource allocation in an OFDM based multi-hop network consisting of a one-dimensional chain of nodes including a source, a destination, and multiple re...
ICC
2009
IEEE
13 years 5 months ago
2009
IEEE
In this paper, we study power allocation (PA) in a single-relay OFDM system with limited feedback. We propose a PA scheme that uses a codebook of quantized PA vectors designed offl...