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» Increasing Power Efficiency in Transmitter Diversity Systems...
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ICC
2007
IEEE
125views Communications» more  ICC 2007»
13 years 8 months ago
Increasing Power Efficiency in Transmitter Diversity Systems under Error Performance Constraints
Motivated by combinatorial optimization theory, we propose an algorithmic power allocation method that minimizes the total transmitting power in transmitter diversity systems, prov...
Diomidis S. Michalopoulos, Athanasios S. Lioumpas,...
VTC
2006
IEEE
13 years 10 months ago
Transmitter-Based Pre-Processing for OFDM-CDMA Forward-Link Systems with Two-Dimensional Spreading
—Transmitter-based signal pre-processing is investigated for the two-dimensional (2-D) OFDM-CDMA (orthogonal frequency division multiplexing, code division multiple access) forwa...
Chih-Cheng Kuo, Wern-Ho Sheen, Chung-Ju Chang, Cha...
CORR
2008
Springer
147views Education» more  CORR 2008»
13 years 4 months ago
Impact of CSI on Distributed Space-Time Coding in Wireless Relay Networks
We consider a two-hop wireless network where a transmitter communicates with a receiver via M relays with an amplify-and-forward (AF) protocol. Recent works have shown that sophis...
Mari Kobayashi, Xavier Mestre
ENGL
2007
112views more  ENGL 2007»
13 years 4 months ago
Cooperative Transmission Scheme to Increase Gain by Using STBC
— Multiple-Input Multiple-Output (MIMO) systems are composed of source and destination nodes with multiple antennas. But, when nodes cannot support multiple antennas due to size ...
Ho-Jung An, Jee-Hoon Kim, Hyoung-Kyu Song
ICASSP
2009
IEEE
13 years 11 months ago
Transceiver design with vector perturbation technique and iterative power loading
— In this paper we consider the optimization of transceivers which use the nonlinear vector perturbation technique at the transmitter. Since the perturbation vector can be almost...
Ching-Chih Weng, P. P. Vaidyanathan