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VTC
2008
IEEE
16 years 23 days ago
DS-CDMA MMSE Turbo Equalization Using 2-Step Maximum Likelihood Channel Estimation
—Frequency-domain equalization (FDE) based on the minimum mean square error (MMSE) criterion and frequencydomain inter-chip interference (ICI) cancellation can be incorporated in...
Yohei Kojima, Kazuaki Takeda, Fumiyuki Adachi
VTC
2008
IEEE
127views Communications» more  VTC 2008»
16 years 23 days ago
Convergence Analysis of Iteratively Detected Time Hopping and DS-CDMA Ultrawide Bandwidth Systems by EXIT Charts
— This paper presents a novel analysis on the decoding convergence of Time Hopping (TH) and Direct Sequence (DS) Code-Division Multiple-Access (CDMA) Ultrawide Bandwidth (UWB) sy...
Raja Ali Riaz, Mohammed El-Hajjar, Qasim Zeeshan A...
ARITH
2007
IEEE
16 years 22 days ago
Solving Constraints on the Intermediate Result of Decimal Floating-Point Operations
The draft revision of the IEEE Standard for FloatingPoint Arithmetic (IEEE P754) includes a definition for decimal floating-point (FP) in addition to the widely used binary FP s...
Merav Aharoni, Ron Maharik, Abraham Ziv
GLOBECOM
2007
IEEE
16 years 22 days ago
Non-Cooperative Dynamic Spectrum Access for CDMA Networks
— Recent studies indicate the presence of a significant amount of idle licensed spectrum, in different time periods and geographic locations. Prompted by the latest regulatory ch...
George Alyfantis, Giannis F. Marias, Stathes Hadji...
GLOBECOM
2007
IEEE
16 years 22 days ago
MIMO-OFDM Channel Estimation in Presence of Carrier Frequency Offsets
— Optimal pilot design and placement for channel estimation in Multiple-input Multiple-output (MIMO) Orthogonal Frequency-Division Multiplexing (OFDM) systems in the presence of ...
Zhongshan Zhang, Wei Zhang, Chintha Tellambura