[PDF] Top 20 Blind Identification of Out of Cell Users in DS CDMA
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Blind Identification of Out of Cell Users in DS CDMA
... synchronous CDMA for ...cells. Out-of-cell transmissions will typically not be synchronized with in-cell ...at cell boundaries (hence approximately equidistant from the two base sta- ... See full document
13
Blind Reduced Rank MMSE Detector for DS CDMA Systems
... an MMSE detector designed for suppressing MAI is likely to operate in a single user environment because a user does not have other active users’ information. The simulated perfor- mance of a single user system is ... See full document
12
Blind Multiuser Detection by Kurtosis Maximization for Asynchronous Multirate DS/CDMA Systems
... multirate DS/CDMA systems, discrete-time multi- ple-input multiple-output (MIMO) signal models can be formulated through chip-rate sampling of the received continuous-time signal followed by polyphase ... See full document
17
Subspace Based Blind and Group Blind Space Time Multiuser Detection for the Generalized Multicarrier DS CDMA Uplink
... of users sup- ...based blind adaptive MUD [3] does not require any training sequence and hence achieves an increased spectrum efficiency, although its performance is suboptimum in the high-SNR ...novel ... See full document
5
Timing Free Blind Multiuser Detection for Multicarrier DS/CDMA Systems with Multiple Antennae
... other users, while knowledge of the spreading code of all of the active users can be reasonably assumed only at the “base station” of an isolated cell, we consider the more gen- eral scenario where ... See full document
16
Computationally Efficient Blind Code Synchronization for Asynchronous DS CDMA Systems with Adaptive Antenna Arrays
... asynchronous DS- CDMA time-delay detector is developed that utilizes the con- cept of the multistage reduced-rank Wiener ...new DS-CDMA detector does not require the stringent power control ... See full document
15
Improving the Throughput of DS CDMA Systems Using Adaptive Rate Transmissions Based on Variable Spreading Factors
... of DS-CDMA systems can be increased, when the con- ventional matched filter based receiver is ...single cell DS-CDMA system, where the number of ac- tive mobile users obeys the ... See full document
5
Blind estimation of long and short Pseudo random codes in multi rate LSC DS CDMA signals
... of blind estimation of pseudo-noise codes in multi-rate long and short codes direct sequence code division multiple access signal, in this paper, a novel codes estimation method based on Fast-ICA algorithm and ... See full document
7
Blind linear multiuser detection for DS-CDMA wireless networks
... all users, signals from other users would appear as Multiple Access Interference (MAI) to the signal of ...- CDMA systems. The blind terminol ogy means that the receiver has only the ... See full document
221
A MUSIC Based Algorithm for Blind User Identification in Multiuser DS CDMA
... A blind scheme based on multiple-signal classification (MUSIC) algorithm for user identification in a synchronous multiuser code-division multiple-access (CDMA) system is ...is blind in the ... See full document
9
A Joint Optimization Criterion for Blind DS-CDMA Detection
... use CDMA, users share the same band of frequencies and the same time ...different users, codes are ...the users’ contributions by means of the ... See full document
11
Blind chip-rate equalisation for DS-CDMA downlink receiver
... Strathprints is designed to allow users to access the research output of the University of Strathclyde. Unless otherwise explicitly stated on the manuscript, Copyright © and Moral Rights for the papers on this ... See full document
6
Analytical Bit Error Rate Performance of DS CDMA Ad Hoc Networks using Large Area Synchronous Spreading Sequences
... The family of large area synchronous (LAS) [1] spreading codes exhibits an interference free window (IFW), where the off-peak aperiodic auto-correlations and cross- correlations become zero [2]. These attractive ... See full document
5
Optimum Detection of CDMA
... There was a lot of research activity to use MUD detector in digital domain to reduce the crosscorrelation from different users [3]. A method is used here which could be inspired by the reference [4]. Near-far ... See full document
5
Slow Frequency Hopping Multicarrier DS CDMA for Transmission over Nakagami Multipath Fading Channels
... SFH/MC DS-CDMA system has a similar complexity to that of the corresponding conventional MC DS-CDMA system using all subcarriers for ... See full document
11
Exploring the reconfigurability options of multi carrier CDMA in cognitive radio systems
... a DS-CDMA system, upon receiving a trigger as a read-out from the chan- nel map, the system’s decision block decides to switch to a multi-carrier system and an IFFT block is added to provide the ... See full document
5
A Unified Exact BER Performance Analysis of Asynchronous DS CDMA Systems Using BPSK Modulation over Fading Channels
... Figures 3 and 4 illustrate the average BER performance versus the number of users in the context of Hoyt fading channels, when the effects of background noise are ignored. Figure 3 compares the results obtained ... See full document
6
Usability Evaluation of Email Applications by Blind Users
... completely blind with no residual ...screen out loud in computer-synthesized speech, and this is the primary way that blind users access computers and ...among blind users is ... See full document
15
Serial Acquisition Performance of Single and Multi carrier DS CDMA over Nakagami $m$ Fading Channels
... MC DS-CDMA systems were evaluated and com- pared in conjunction with EGC and ...single-carrier DS-CDMA system and the MC DS-CDMA systems using different number of subcarriers is ... See full document
11
A Unified Approach to the Analysis of Multicarrier DS CDMA over Nakagami $M$ Fading Channels
... multicarrier DS-CDMA scheme, investigate the effect of the normalized subcar- rier spacing, λ, on the system’s performance and compare the perfor- mance of MC DS-CDMA having the optimum ... See full document
5
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