multiuser space-time equalization
MBER Space Time Decision Feedback Equalization assisted Multiuser Detection for Multiple Antenna Aided SDMA Systems
... In this paper, it is shown that the MBER ST-DFE-MUD de- sign results in an enhanced BER performance in comparison to the standard MMSE design. Moreover, unlike the MMSE de- sign, whose performance degrades significantly ...
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Minimum Bit Error Rate Design for Space Time Equalisation Based Multiuser Detection
... terion. Time-only processing, i.e., channel equalization, based on the MBER design has been considered before ...for space- only processing, ...
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Adaptive MBER space time DFE assisted multiuser detection for SDMA systems
... The most popular SDMA-receiver design is constituted by the minimum mean square error (MMSE) MUD [5],[8]-[12]. How- ever, as recognized by [13] in a CDMA context and by [14] in an adaptive beamforming-based MUD scenario, ...
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Frequency domain equalization space time block coded CDMA transmission system
... This work proposed a FDE STBC CDMA-based trans- mission system. The FDE algorithms used with single user detection resulted in a simple receiver design with reduced computational complexity. Simulations results have ...
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Iterative and Adaptive Processing for Multiuser Communication Systems
... with time-domain equalization, the long delay-spread inherent in shallow water channels dictates that a large number of equalizer taps must be ...adaptive multiuser single-carrier system where ...
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Estimation and Equalization of Fiber-Wireless Uplink for Multiuser CDMA 4g Networks
... A Fiber – Wireless uplink consists of a wireless channel followed by ROF link. Optical fiber has some advantageous properties such as low attenuation, longevity, and low maintenance costs which will eventually render ...
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Iterative MIMO Turbo Multiuser Detection and Equalization for STTrC Coded Systems with Unknown Interference
... Iterative multiuser detection in a single-carrier broadband multiple-input multiple-output (MIMO) system is studied in this ...low-complexity multiuser receiver is derived for space-division ...
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Orthogonal Sequences Based Multi-CFO Estimation and Semi-Blind ICA Based Equalization for Multiuser CoMP Systems
... based multiuser-CoMP system, multiple CFOs exist between mobile terminals and base stations, introducing multiple access interference ...estimation. Space time block codes transmission with multiple ...
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Multipass Channel Estimation and Joint Multiuser Detection and Equalization for MIMO Long Code DS/CDMA Systems
... estimation, equalization, 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 ...
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Space Time Chip Equalization for Maximum Diversity Space Time Block Coded DS CDMA Downlink Transmission
... introduces multiuser in- terference (MUI). Space-time chip equalization is an efficient tool to restore the orthogonality of the user signals and suppress the ...on space-time ...
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Time-Division Multiuser MIMO with Statistical Feedback
... a time-division multiuser multiple-input multiple-output (MIMO) antenna system in K-block flat fading where users are given individual outage rate probability constraints and only one user accesses the ...
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Single Carrier Frequency Domain Equalization Abinash Kumar, Ravi Kateeyare
... both time and frequency ...Domain Equalization (SCFDE) is an alternative to OFDM that avoids OFDM ...domain equalization (SCFDE) transmission utilizes single carrier modulation at the transmitter, ...
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Single Carrier Frequency Domain Equalization with Space Time Trellis Codes
... both time and frequency selective, the use of space-time coding with equalization in the fre- quency domain improves the performance of the ...
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Analysis The Effect Of Diversity Technique On A Multi-user Wideband Cdma (w-cdma) Communication System
... Multiple Access), an ITU standard derived from Code-Division Multiple Access (CDMA), is a third- generation (3G) mobile wireless technology that promises much higher data speeds to mobile and portable wireless devices ...
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Constant modulus algorithm aided soft decision directed blind space time equalization for SIMO channels
... spaced samples invoking continuous adaptation, since the channels were time-varying. Similarly, Fig. 7 shows the CMA+SDD STE’s output signal constellations after (a) adaptation using 2500 symbols and (c) ...
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Frequency-domain equalization for OFDMA-based multiuser MIMO systems with improper modulation schemes
... channel, multiuser diversity and fre- quency diversity can also be achieved if each user is assigned to subcarriers with favorable transmission char- acteristics when the channel is known at the ...
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Equalization of Multiuser Wireless CDMA Downlink Considering Transmitter Nonlinearity Using Walsh Codes
... Some of the dominant issues associated with the above sys- tems include intersymbol interference (ISI), RF amplifier nonlinearity, and the presence of noise. In order to limit the effects of these distortions, estimation ...
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Dual Hop Relay with Cooperative Diversity and Relay Selection
... coverage. Space-time coding is a MIMO technique which is well known for its ability to combat fading, increased system performance and ...capacity. Space time coding uses specially designed ...
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Reduced Complexity Single Carrier Maximum Likelihood Detection for Decision Feedback Assisted Space Time Equalization
... ’Search Space’ indicates the number of possible transmitted bit sequences in the search space, whereas the other curves show the number of operations (multiplications plus additions) required for the ...
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The Behaviour of Vertical Bell Laboratories Layered Space Time Algorithm Combined with Multiuser Detection Schemes in Wireless Communication System
... of multiuser Vertical Bell Laboratories Layered Space-Time (V-BLAST) system receiver structures for Multiple-input Multiple-Output (MIMO) channel at a base station with assumption of perfect channel ...
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