Results 81 to 90 of about 141,071 (164)
Equivalent expressions and performance analysis of SLNR precoding schemes: a generalisation to multi-antenna receivers [PDF]
, 2013 In this letter, equivalent expressions of transmit precoding solutions based on the maximum signal-to-leakage-plus-noise ratio (SLNR) are derived for multiuser MIMO systems with multi-antenna receivers.
Armour, Simon M D +2 more
core +1 more source
Particle Swarm Optimisation Aided MIMO Multiuser Transmission Designs
, 2012 Bio-inspired computational methods have found wide-ranging applications in signal processing and other walks of engineering. The main attraction of adopting bio-inspired computational intelligence algorithms is that they may facilitate global or near ...
W. Yao +5 more
core +1 more source
Transmitter Layering for Multiuser MIMO Systems
EURASIP Journal on Wireless Communications and Networking, 2008 A novel structure for multiple antenna transmissions utilizing space-time dispersion is proposed, where the original data stream is divided into K substreams which are modulated onto all available transmit antennas using stream-specific transmit ...
Zachary Bagley +2 more
doaj +1 more source
A joint-channel diagonalization for multiuser MIMO antenna systems [PDF]
, 2003 In this paper, we address the problem of improving the performance of multiuser space-division multiplexing (SDM) systems where multiple independent signal streams can be transmitted in the same frequency and time slot.
Wong, K-K., Murch, R.D., Letaief, K.B.
core
Outage probability of multiuser cognitive MIMO system
Tongxin xuebao, 2009 To analyze the multi-antenna gain in multiuser cognitive radio system, a multiuser cognitive MIMO framework was presented. The outage performance was considered in the multiple-antenna flat Raleigh fading broadcast downlink channel and the closed-form ...
WU Ying-xiao1, ZHU Qi2
doaj +2 more sources
EURASIP Journal on Wireless Communications and Networking, 2004 The capacity of a cellular multiuser MIMO system depends on various parameters, for example, the system structure, the transmit and receive strategies, the channel state information at the transmitter and the receiver, and the channel properties ...
Jorswieck E. A., Boche H.
doaj +2 more sources
Design and Experimental Validation of MIMO Multiuser Detection for Downlink Packet Data
EURASIP Journal on Advances in Signal Processing, 2005 In single-user MIMO communication, the first-order throughput scaling is determined by the smallest of the number of transmit and receive antennas. This typically renders terminals the constraining bottleneck.
Samardzija Dragan +2 more
doaj +1 more source
Research on the multiuser MIMO linear cooperative spectrum sensing in cognitive radio networks
Tongxin xuebao, 2012 The multiuser MIMO based linear cooperative spectrum sensing problem was investigated in cognitive radio system to improve the reliability of spectrum sensing.Both the local spectrum detecting strategy and global spectrum detecting strategy for multiuser
Yong-qiang HEI, Xiao-hui LI, Wen-tao LI
doaj +2 more sources
Modulation-mode and power-assignment for SVD-assisted downlink multiuser MIMO systems [PDF]
, 2010 Multiuser multiple-input multiple-output (MIMO) downlink (DL) transmission schemes experience both multiuser interference as well as inter-antenna interference.
Ahrens, Andreas, Benavente Peces, César
core
Asymptotic Spectral-Efficiency of MIMO-CDMA Systems with Arbitrary Spatial Correlation
In this contribution, we analyze the asymptotic spectral-efficiency (ASE) of multiuser MIMO-CDMA systems, when assuming communications over flat fading channels with arbitrary spatial correlation.
Zhang, Youguang +3 more
core +1 more source