61 search results - page 9 / 13 » A Two-Stage Precoding Method Based on Interference Alignment... |
GLOBECOM
2006
IEEE
14 years 1 months ago
2006
IEEE
—We address joint estimation of frequency offsets and channel responses in OFDMA uplink. A cyclically equal-spaced, equal-energy interleaved pilot preamble is proposed by which t...
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
In this paper, we consider a MIMO wireless relay network where communication between a source and a destination node is assisted by multiple relay nodes using the Amplifyand-Forwar...
VTC
2006
IEEE
14 years 1 months ago
2006
IEEE
—Transmitter-based signal pre-processing is investigated for the two-dimensional (2-D) OFDM-CDMA (orthogonal frequency division multiplexing, code division multiple access) forwa...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
— In this paper, a performance analysis of orthogonal frequency-division multiplexing (OFDM) based ultra-wideband (UWB) systems with frequency-domain spreading is presented. A co...
ADHOCNOW
2008
Springer
13 years 8 months ago
2008
Springer
Abstract. This paper investigates the challenges involve in designing a dynamic channel assignment (DCA) scheme for wireless mesh networks, particularly for multi-radio systems. It...