222 search results - page 35 / 45 » Rateless Codes for the Gaussian Multiple Access Channel |
VTC
2006
IEEE
15 years 3 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...
GLOBECOM
2007
IEEE
15 years 3 months ago
2007
IEEE
—We consider an ad hoc network where frequency hopping (FH), convolutional coding and multiple antennas are employed in order to combat fading and multiple access (MA) interferen...
VTC
2006
IEEE
15 years 3 months ago
2006
IEEE
This paper presents a hybrid automatic repeat request (HARQ) with variable spreading factor (VSF) suitable for a multicarrer code division multiple access (MC-CDMA). We consider a ...
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EJASP
2010
14 years 4 months ago
2010
The number of active users, their timing offsets, and their (possibly dispersive) channels with the access point are decisive parameters for wireless code division multiple access...
CANS
2008
Springer
14 years 11 months ago
2008
Springer
Abstract. Ever-growing mobility and ubiquitous wireless Internet access raise the need for secure communication with devices that may be severely constrained in terms of processing...