Results 91 to 100 of about 832 (201)

Semi-blind Turbo Detection for Multiple-input Multiple-output Wireless Systems

open access: yes, 2005
Multiple-input multiple-output (MIMO) techniques constitute the core of future high speed wireless systems. Blind detection in MIMO wireless systems conserves bandwidth and is better suited for use in multiple user scenarios.
Goel, Vivek
core  

Nonlinear Multiuser Receiver for Optimized Chaos-Based DS-CDMA Systems

open access: yesIranian Journal of Electrical and Electronic Engineering, 2011
Chaos based communications have drawn increasing attention over the past years. Chaotic signals are derived from non-linear dynamic systems. They are aperiodic, broadband and deterministic signals that appear random in the time domain.
S. Shaerbaf, S. A. R. Seyedin
doaj  

A Pilot-Assisted Equalisation scheme for the UMTS-TDD Downlink with Partial Loading

open access: yes, 2005
In this paper, we address a pilot-assisted channel equalisation strategy for the partially loaded downlink time-division duplex (TDD) component of the universal mobile telecommunication system (UMTS).
Weiss, Stephan   +3 more
core   +1 more source

Resource Allocation for Multiuser Molecular Communication Systems Oriented to the Internet of Medical Things. [PDF]

open access: yesIEEE Internet Things J, 2021
Chen X   +5 more
europepmc   +1 more source

Partial Equalization for MC–CDMA Systems in Non-Ideally Estimated Correlated Fading

open access: yes, 2010
Multicarrier code-division multiple access (MC–CDMA) can support high data rates in next-generation multiuser wireless communication systems. Partial equalization (PE) is a low-complexity technique for combining the signals of subcarriers to improve the ...
Conti, Andrea   +10 more
core   +1 more source

A Survey of Deep Learning Based NOMA: State of the Art, Key Aspects, Open Challenges and Future Trends. [PDF]

open access: yesSensors (Basel), 2023
Mohsan SAH   +5 more
europepmc   +1 more source

Semi-blind adaptive spatial equalisation for MIMO systems with high-order QAM signalling

open access: yes, 2008
This contribution investigates semi-blind adaptive spatial filtering or equalisation for multiple-input multiple-output (MIMO) systems that employ high-throughput quadrature amplitude modulation (QAM) signalling.
Chen, Sheng, Hanzo, Lajos, Yao, Wang
core  

Semi-blind adaptive beamforming for high-throughput quadrature amplitude modulation systems

open access: yes, 2010
A semi-blind adaptive beamforming scheme is proposed for wireless systems that employ high-throughput quadrature amplitude modulation signalling. A minimum number of training symbols, equal to the number of receiver antenna arrays elements, are first ...
Sheng Chen   +5 more
core   +1 more source

Blind Adaptive Krylov Subspace Multiuser Detection

open access: yes, 2001
A new method for low-complexity Multiuser Detection (MUD)based in the Fast Subspace Decomposition (FSD) is proposed. The use of FSD allows the estimation of the number of users along with the multiuser detection on line.
Ramos, Javier   +2 more
core  

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