[PDF] Top 20 Sphere Decoding for Space time Multiuser Detection in STBC DS CDMA System

Sphere Decoding for Space time Multiuser Detection in STBC DS CDMA System

... and multiuser detection technology in CDMA system are always the foci in wireless communication ...combine space-time coding method so as to increase the capacity of ... See full document

5

Differential Space Time Block Code Modulation for DS CDMA Systems

... recently, space-time block codes (STBC) based diﬀerential space-time block code (DSTBC) modulation scheme was proposed in ...that STBC is optimal in terms of SNR [11]. Moreover, ... See full document

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Pre-Decorrelation for Coded DS-CDMA System with Space-Time Block Coding

... the STBC multiuser pre- processed system using pre-decorrelation with the application of turbo ...the system when using turbo-codes and convolutional codes using soft- decision Viterbi ... See full document

5

MC DS CDMA System Based on DWT and STBC in Multipath Fading ITU Channels Model

... speeds. STBC based MC-DS-CDMA provide fixed, nomadic, portable and mobile wireless broadband connectivity without the need for a direct line-of-sight (Shi et ...is space time block ... See full document

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Multi User Detection by MMSE Adaptive Algorithm for Multi Beam MIMO MC CDMA using Sequences of References

... the system, reducing the transmission power of mobile (and therefore increasing energy autonomy) and improved link ...in multiuser detection for MC-CDMA ...MC-CDMA system has ... See full document

7

Downlink Steered Space Time Spreading Assisted Generalised Multicarrier DS CDMA Using Sphere Packing Aided Multilevel Coding

... (MC DS-CDMA) system invoking smart antennas for improving the achievable performance in the downlink, as well as employing multi-dimensional Sphere Packing (SP) modulation for increasing the ... See full document

5

Single and Multi Carrier DS CDMA: Multi USer Detection, Space Time Spreading, Synchronisation, Standards and Networking

... optimum multiuser detector. A further sub-optimum multiuser detector investigated was the minimum mean square error (MMSE) detector, where a biased version of the CCL matrix was inverted in order to ... See full document

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Space Time Chip Equalization for Maximum Diversity Space Time Block Coded DS CDMA Downlink Transmission

... of DS-CDMA, frequency-selectivity destroys the orthogonality of the user signals and introduces multiuser interference ...(MUI). Space-time chip equalization is an eﬃcient tool to ... See full document

11

Single and Multi Carrier DS CDMA: Multi USer Detection, Space Time Spreading, Synchronisation, Standards and Networking

... for multiuser detection in synchronous CDMA,” in IEEE International Symposium on Information Theory – ISIT’97, (Ulm, Germany), ...algorithm-based multiuser detector for multiple-access ... See full document

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Ant Colony Based Multiuser Detection for MC DS CDMA Systems

... user detection (MUD) [3], ...[13]–[15], sphere decoding [16], [17] and Markov-Chain Monte-Carlo (MCMC) [18] aided detectors have found favour in low-complexity near-optimum ... See full document

5

Broadband MC DS CDMA Using Space Time and Frequency Domain Spreading

... (MC DS-CDMA) using space-time spreading (STS) assisted transmit diversity and frequency-domain (F-domain) spreading is investigated in the context of broadband communications over ... See full document

5

Multipass Channel Estimation and Joint Multiuser Detection and Equalization for MIMO Long Code DS/CDMA Systems

... and multiuser detection for a multiantenna DS/CDMA system operating over a frequency-selective fading channel and adopting long aperiodic spreading codes is considered in this ...and ... See full document

13

Timing Free Blind Multiuser Detection for Multicarrier DS/CDMA Systems with Multiple Antennae

... tainty as to the CSI results in a complete lack of knowledge of the spatial signatures of both the user of interest and of the other users, while knowledge of the spreading code of all of the active users can be ... See full document

16

Subspace Based Blind and Group Blind Space Time Multiuser Detection for the Generalized Multicarrier DS CDMA Uplink

... MC DS- CDMA system, when communicating over a dispersive ST Rayleigh fading channel contaminated by ...MC DS-CDMA signal experiences independent fading upon reaching the different AEs, ... See full document

5

Multiuser Detection for Synchronous DS-CDMA in AWGN Channel

... Multiuser detection seeks to enhance the performance of non-orthogonal signaling schemes for multiple-access communications by combating MAI caused by the presence of more than one user in the ... See full document

8

Decoding Schemes for FBMC with Single-Delay STTC

... Viterbi decoding in this present case is ...Viterbi decoding in presence of correlated ...ML decoding is very complex to implement since it requires an exhaustive search over all the possible ... See full document

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An Iterative Multiuser Detector for Turbo-Coded DS-CDMA Systems

... our system is better than the performance of the conventional interference ...our system becomes more obvious at a higher value of cross-correlation ... See full document

9

A MUSIC Based Algorithm for Blind User Identification in Multiuser DS CDMA

... for detection of the active users be ...the detection pro- ...a system with K active user, one may expect that L1 should to be several times larger than 2 K ...in detection margin, a value of ... See full document

9

Comparative Study of Different Space Time Coding Schemes for MC CDMA Systems

... Alamouti space-time code (STC), space-time block code (STBC), space-time trellis code (STTC), space-time turbo trellis codes (STTTC), and layered ... See full document

7

Nonlinear Multiuser Receiver for Optimized Chaos-Based DS-CDMA Systems

... different system parameters are shown in Figures 12 to ...overloaded system condition where the number of users is high and performance of optimized system has no prominence over conventional maximal ... See full document

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