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Overview: The researchers developed new blind and semi-blind data detectors and channel estimators for Orthogonal Frequency-Division Multiplexing (OFDM) systems. The data detectors require minimizing a complex, integer quadratic form in the data vector. The semi-blind detector uses both channel correlation and noise variance. The quadratic for the blind detector suffers from rank deficiency; for this, the researchers gave a low-complexity solution. Avoiding a computationally prohibitive exhaustive search, they solved the data detectors using Sphere Decoding (SD) and V-BLAST and provide simple adaptations of the SD algorithm.
Unified Services Of AAA In 4G LTE Networks
The present technical white paper outlines the role of AAA services for 3GPP and non-3GPP system access in LTE technology. This paper...
Mobile Device Management for Dummies
With the increase in the use of mobile devices, you likely have questions that are left unanswered when it comes to managing and securing those devices. Well...
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