mmse detector
A Practical, Hardware Friendly MMSE Detector for MIMO-OFDM-Based Systems
... linear MMSE MIMO detector is the matrix inversion ...linear MMSE detection problem by focusing on efficient matrix inversion ...An MMSE detector based on QR decomposition via CORDIC- ...
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Blind Reduced Rank MMSE Detector for DS CDMA Systems
... multiuser detector is well motivated for a mobile user to suppress ...blind MMSE detector in [6] is constructed from the signal space parameters which are computed from an esti- mated covariance ...
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A Survey on MMSE Detector Using Space Time Diversity Technique
... Abstract-- In this paper, we present the survey on MMSE Detector using space time diversity technique. The full- diversity space- frequency block codes (SFBCs) focused around orthogonal space-time block ...
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Development of a Multiuser Detection Testbed
... the MMSE detector are shown as ...adaptive MMSE detector is adapted to the system in ‘training’ mode during 25000 ‘convergence’ stage iterations and 10000 ‘av- eraging’ stage iterations, using ...
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Coding Across Multicodes and Time in CDMA Systems Employing MMSE Multiuser Detector
... the MMSE detector provides sufficiently different signal-to-interference ratios (SIRs) for the multicode channels, coding across multicodes and time can obtain significant performance gain over coding across ...
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Generalised grouped minimum mean-squared errorbased multi-stage interference cancellation scheme for orthogonal frequency division multiple access uplink systems with carrier frequency offsets
... G- MMSE detector, where the signal is detected group by group using banks of partial MMSE ...G-MMSE detector. Because the filters in the G-MMSE detector can be reused in ...
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Minimum Bit Error Rate Multiuser Detection in Multiple Antenna Aided OFDM
... multiuser detector for Space Divi- sion Multiple Access (SDMA) aided Orthogonal Frequency Division Multiplexing (OFDM) ...MBER detector outperforms the Minimum Mean Squared Error (MMSE) ...
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On multipath spatial diversity in wireless multiuser communications
... The MMSE detector effectively zeros the interfering user’s output power for SNR = 100dB and 30dB but is not quite so successful for 0dB when the noise power is more ...
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PERFORMANCE AND COMPARISON OF LINEAR MULTIUSER DETECTORS IN DS-CDMA USING CHAOTIC SEQUENCE
... filter. MMSE detector generally performs better than the decorrelating detector and matched filter because it takes the background noise into ...
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Support Vector Machine Multiuser Receiver for DS CDMA Signals in Multipath Channels
... linear MMSE and optimal Bayesian MUDs, given SNR SNR ...nonlinear detector, as a simple linear detector can perform ade- ...linear MMSE detector will have an irreducible error floor of ...
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Compressive Sensing Based Detection Strategy For Multiple Access Spatial Modulation Channel
... Conventional CS greedy algorithm has no prior knowledge about the sparse signal rather than number of nonzero entries. When it is applied to multiple access channel scenario, it generates situation in which output of ...
6
MMSE-SQRD Scheme for MIMO Transmission
... that MMSE-SQRD does not always lead to the perfect detection sequence, but in many cases of interest the performance degradation is small compared to the reduced ...whenever MMSE-SQRD fails to find the ...
5
Low-complexity LSMR equalisation of FrFT-based multicarrier systems in doubly dispersive channels
... Three different MMSE equalisers for the proposed FrFT- OFDM system are assessed in Fig. 5. Due to regularisation, the instability in the case of direct inversion is less problematic than for the ZF case shown in ...
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Minimax MMSE Estimator for Sparse System
... cases, MMSE is difficult to obtain in closed-form solution due to the potential multi-dimension integration and dependency on the unknown parameter ...linear MMSE (LMMSE) ...
6
Design and Development of Smart Robot Car for Border Security
... Sensory network in our proposed system detect parameters like human presence, harmful gases, pistols, bombs, mines, fire etc at remote areas. In border areas, we know the entry of any human is totally prohibited. Through ...
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Comparative Analysis of GA-MMSE and PSO-MMSE Based MUD Technique Aided SDMA/OFDM System
... ZF MMSE GA PSO GA-MMSE PSO-MMSE PSK 4,20 0.39 0.41 0.79 0.79 0.31 0.31 PSK 2,40 0.5 0.09 0.5 0.5 0.09 0.08 QAM 4,20 0.5 0.50 0.5 0.5 0.5 0.1 QAM 2,40 0.24 0.17 0.7 0.7 0.15 0.17 ...
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Power Allocation between Pilot and Data Symbols for MIMO Systems with MMSE Detection under MMSE Channel Estimation
... In this paper, the objective of our power allocation opti- mization is the minimization of the cost function of BER. Even though [13, 14] have provided a closed-form BER expressions for MMSE MIMO detection, which ...
9
Research on the Pre-coding Technology of Broadcast Stage in Multi-user MIMO System
... CI precoding can be divided into the following two types: channel inversion precoding (ZF-CI) based on zero forcing and channel inversion precoding (MMSE-CI) based on minimum mean square error. Similar to the ...
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Optimal Power Allocation Scheme for Downlink CoMP Systems
... of MMSE- based beamforming and iterative waterfilling power al- location schemes that can be applied to the downlink of a CBST system while they are required to take a tradeoff between complexity and achievable ...
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One User/One Group Soft Decision Aided Multiuser Detection for 2D Spread MC DS CDMAs
... ear MMSE SIC, the decorrelating detector (DD), the symbol-based LAST MUD, the user-based LAST MUD, the proposed OUSDA-UL MUD, and the proposed OGSDA-GL MUD require 13844, 13824, 90000, 48672, 97344, and ...
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