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TWC
2008
87views more  TWC 2008»
13 years 7 months ago
Opportunistic Grassmannian Beamforming for Multiuser and Multiantenna Downlink Communications
Scheduling in a broadcast channel based on partial channel-state-information at the transmitter is carried out in an opportunistic way. In this paper, the number of generated beams...
Nizar Zorba, Ana I. Pérez-Neira
ICC
2007
IEEE
14 years 2 months ago
Modulation Schemes Based on Orthogonal Pulses for Time Hopping Ultra Wideband Radio Systems
— This paper describes a combined modulation scheme for time hopping ultra wideband (TH-UWB) radio systems using on-off keying (OOK) and pulse shape modulation (PSM). For this sc...
Sudhan Majhi, A. S. Madhukumar, A. Benjamin Premku...
TSP
2008
147views more  TSP 2008»
13 years 7 months ago
Low-Complexity MIMO Multiuser Receiver: A Joint Antenna Detection Scheme for Time-Varying Channels
Abstract--This paper deals with the uplink of a wireless multiple-input multiple-output (MIMO) communication system based on multicarrier (MC) code division multiple access (CDMA)....
Charlotte Dumard, Thomas Zemen
VTC
2010
IEEE
130views Communications» more  VTC 2010»
13 years 6 months ago
Performance of the Space-Time Block Coded DS-CDMA Uplink Employing Soft-Output ACO-Aided Multiuser Space-Time Detection and Iter
Abstract—In this treatise we propose a three-stage twin-transmitantenna assisted MultiUser (MU) Direct Sequence Code-Division Mulitple Access (DS-CDMA) system employing both a Un...
Chong Xu, Mohammed El-Hajjar, Robert G. Maunder, L...
ICC
2007
IEEE
109views Communications» more  ICC 2007»
14 years 2 months ago
Design Linear Multiuser Transmitters from Linear Multiuser Receivers
— Novel concepts are introduced for finding the relationship between multiuser detection (MUD) and multiuser transmission (MUT), so that the study in MUT can benefit from the w...
Lie-Liang Yang