[PDF] Top 20 Adaptive DS/CDMA Non Coherent Receiver using MULTIUSER DETECTION Technique
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Adaptive DS/CDMA Non Coherent Receiver using MULTIUSER DETECTION Technique
... The DS/CDMA receivers are divided into Single-User and Multi-User ...user receiver detects the data of one user at a time whereas a multi-user receiver jointly detects several users’ ...the ... See full document
5
Blind linear multiuser detection for DS-CDMA wireless networks
... on non-overlapping frequency bands or time ...approach, multiuser detection does not treat MAI as structure-less Gaussian ...“blind” adaptive linear mul tiuser detection for Direct ... See full document
221
Ant Colony Based Multiuser Detection for MC DS CDMA Systems
... paper, non-orthogonal codes are employed, resulting in multi user interference (MUI), which requires the employment of multi user detection (MUD) [3], ...this technique has a complexity that ... See full document
5
Adaptive Near Optimal Multiuser Detection Using a Stochastic and Hysteretic Hopfield Net Receiver
... novel adaptive MUD algorithm for a wide variety (practically any kind) of interference limited systems, for example, code division multiple access ...optimal detection in the case of unknown channel ... See full document
14
Design and Performance Analysis of an Adaptive Receiver for Multicarrier DS CDMA
... in multiuser communications, in which the multiple access interference (MAI) becomes the major capacity-limiting fac- ...user detection (SUD) strategy, see [4, 14, 15], for example, where the MAI is simply ... See full document
10
Space-Time Joint Interference Cancellation Using Fuzzy-Inference-Based Adaptive Filtering Techniques in Frequency-Selective Multipath Channels
... an adaptive robust MMSE array- receiver is proposed based on a fuzzy-logic controlled LMS or RLS algorithm for space-time joint asynchronous DS-CDMA ...the non- linear mapping of the ... See full document
17
Support Vector Machine Multiuser Receiver for DS CDMA Signals in Multipath Channels
... A learning technique known as the SVM has recently gaining popularity due to its many attractive features and promising empirical performance [19]–[26]. The formulation of SVM embodies the structural risk ... See full document
8
Blind Multiuser Detection by Kurtosis Maximization for Asynchronous Multirate DS/CDMA Systems
... through using training sequences or pi- lot signals in advance resulting in reduced spectral ...blind multiuser detector only using received sig- nals (with no need of training sequences) is ... See full document
17
ADAPTIVE DS-CDMA RECEIVER WITH CODE TRACING IN A DISTINCT PERIOD OF UNSPECIFIED ENVIRONMENTS
... This non coherent detection requires the differential encoding in the transmitter and the reference symbol is needed for decoding in the ...for DS-SS signal to cope with frequency-nonselective ... See full document
9
Subspace Based Blind and Group Blind Space Time Multiuser Detection for the Generalized Multicarrier DS CDMA Uplink
... Multi-User Detection (MUD) [2], [3], [4], [5], [1], which is capable of essentially eliminating the effects of multiuser interference and hence has the potential of substantially increasing the capacity of ... See full document
5
Nonlinear Multiuser Receiver for Optimized Chaos-Based DS-CDMA Systems
... from non-linear dynamic ...conventional DS-CDMA systems, chaos- based CDMA systems suffer from multi-user interference (MUI) due to other users transmitting in the ...and non-blind ... See full document
12
Multipass Channel Estimation and Joint Multiuser Detection and Equalization for MIMO Long Code DS/CDMA Systems
... emerging CDMA-based wireless net- works standards is the adoption of long (aperiodic) spread- ing ...the CDMA signals and thus renders ine ff ective many of the ad- vanced signal processing techniques that ... See full document
13
Timing Free Blind Multiuser Detection for Multicarrier DS/CDMA Systems with Multiple Antennae
... noncooperative receiver, due to the network full load, the MMSE-like limit performance is not coincident with that of the ideal MMSE receiver; con- versely, for cooperative reception, since now the users ... See full document
16
Study and analysis the BER performance of linear multiuser detectors in non-Gaussian noise channel
... years multiuser detection techniques (MUD) have attracted significant attention to improve the performance of direct sequence code-division multiple-access (DS-CDMA) ...Multi-user ... See full document
11
A Novel MICS Receiver with FSK Dual Band Demodulator
... conversion receiver is described in this paper. The receiver is dedicated to be used in the transceiver unit of a medical implantable wireless ...conversion receiver and a simple and low power ... See full document
8
DS-CDMA Receiver Based on a Five-Port Technology
... Once the signal is digitized with ADCs, the radio interface is implemented in software by means of digital signal pro- cessing, or in hardware by using ASIC or FPGAs. The most computationally intensive arithmetic ... See full document
17
PERFORMANCE AND COMPARISON OF LINEAR MULTIUSER DETECTORS IN DS-CDMA USING CHAOTIC SEQUENCE
... The DS/CDMA receivers are divided into Single-User and Multi-User ...user receiver detects the data of one user at a time whereas a multi-user receiver jointly detects several users’ ...the ... See full document
15
An Iterative Multiuser Detector for Turbo-Coded DS-CDMA Systems
... iterative multiuser detector for turbo-coded synchronous and asynchronous direct-sequence CDMA (DS-CDMA) ...The receiver is derived from the maximum a posteriori (MAP) estimation of the ... See full document
9
Joint Detection CDMA Techniques for Third generation Transceivers
... for multiuser detection. The so-called joint detection receivers constitute a category of multiuser detectors developed for synchronous burst transmissions and they utilize these ...joint ... See full document
6
Blind chip-rate equalisation for DS-CDMA downlink receiver
... The adaptation algorithm is based on a constant modulus criterion forcing the various user symbols onto a constant modulus, for which a stochastic gradient descent algorithm is derived..[r] ... See full document
6
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