space-time block-coded systems
Frequency domain equalization space time block coded CDMA transmission system
... Space-time block-codes (STBC) schemes have emerged as a powerful transmit diversity technique to combat fading in wireless ...successful space-time coding scheme was first proposed by ...
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Improved Multiuser Detectors Employing Genetic Algorithms in a Space Time Block Coded System
... The schematic of a multiuser STBC system is shown in Figure 1. Just to simplify the analysis, we cut the descrip- tion of the outer code and the channel estimation with the assumption that the channel state information ...
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Space-Time Coded OFDM with Low PAPR
... MIMO-OFDM systems. We have extended the use of trellis shaping to MIMO-OFDM systems using space- time trellis and space-time block ...
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Pre-Decorrelation for Coded DS-CDMA System with Space-Time Block Coding
... Under severe channel conditions (i.e. multipath), the multiple access interference (MAI) becomes the major source of performance degradation for direct sequence CDMA (DS-CDMA) systems. This is because of the loss ...
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“An Approach towards Wireless Telemedicine Application with Reduced PAPR and BER for Epilepsy Classification” by Harikumar Rajaguru, Sunil Kumar Prabhakar, India.
... Differential Space Time Block Coded (DSTBC) Multiple Input Multiple Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) ...DSTBC systems are highly useful to transmit the ...
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Variable Length Space Time Coded Modulation
... Shannon’s separation theorem stated that source coding and channel coding is best carried out in isolation [1]. However, this theorem was formulated in the context of potentially infinite- delay, lossless entropy-coding ...
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Reduced Complexity I/Q Turbo Detection for Space Time Trellis Coded Systems
... as space–time block coding (STBC) [2]–[4] and space–time trellis coding (STTC) [4], [5] have been advocated for providing additional diversity gains, as well as for overcoming the ...
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Low Complexity Receiver Structures for Space Time Coded Multiple Access Systems
... two systems: one with two transmit antennas and another with four transmit ...BPSK space-time trellis codes with constraint length ν = 5, given in [12], for both ...employ space- time ...
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Adaptive Switching between Space Time and Space Frequency Block Coded OFDM Systems in Rayleigh Fading Channel
... WLANs. Block Coding is also possible over the two do- mains of antenna and frequency with Space-Frequency Block Coding (SFBC) in a Multi Carrier system, such as ...SFBC coded blocks are ...
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Diversity Analysis for Relay-Assisted Distributed BICM-OSTBC- OFDM System
... bit-interleaved coded modulation (BICM) [1] has been popularly used for channel-coded transmission, owing to its flexibility in the tradeoff between bit error performance and decoding complexity ...
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Blind Adaptive Decorrelating RAKE (DRAKE) Downlink Receiver for Space Time Block Coded Multipath CDMA
... wireless systems will be wideband communications systems, and thus they must contend with frequency selective chan- nel ...CDMA systems have recently been proposed in [15, 16, 17, 18], for ...
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Space Time Block Coded and IQ interleaved TCM, TTCM, BICM and BICM ID Assisted OFDM
... In this section the performance of the proposed scheme communicat- ing over a Rayleigh fading channel, which was uncorrelated in the time-domain, was evaluated in Figures 2 to 5. Equal-power 2-path and 10-path CIR ...
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Distributed space time block coded transmission with imperfect channel estimation:achievable rate and power allocation
... tributed space-time block coded transmission in Rayleigh fading ...in systems with channel inversion transmission technique as compared to constant input power transmission, and that ...
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Space Time Chip Equalization for Maximum Diversity Space Time Block Coded DS CDMA Downlink Transmission
... Information Systems Laboratory (ISL), Stanford Univer- sity, California, USA, working on OFDM-based powerline commu- ...Wireless Systems (WISE) group of DESICS as a ...cation systems, like third ...
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Performance Evaluation of Spatial Modulation via Numerical Simulations
... SM systems has been proposed to mitigate the limitations of basic SM ...and space-time block coded spatial modulation (STBC-SM) which combines spatial modulation and ...
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Performance of Turbo Interference Cancellation Receivers in Space Time Block Coded DS CDMA Systems
... for coded MUD CDMA wireless uplink is ...DS-CDMA space-time MUD system with error control coding over a multipath fading ...a space-time MMSE detector at the receiver ...turbo ...
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Performance of Space Division Multiple Access Systems Communicating over Nakagami Fading Channels
... Abslracf- Performance of a space-division multiple-access SDMA system is investigated, when the space-time block coded signals based on two transmit antennas are transmitted over Nakagam[r] ...
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Blind and semi blind ML detection for space time block coded OFDM wireless systems
... This paper investigates the joint maximum likelihood (ML) data detection and channel estimation problem for Alamouti space-time block-coded (STBC) orthogonal frequency-division multiplexing ...
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A Low-Complexity Time-Domain MMSE Channel Estimator for Space-Time/Frequency Block-Coded OFDM Systems
... sory Systems for Robotic ...less systems, equalization and channel estimation in multicarrier (OFDM) communication systems, and efficient modulation and coding techniques (TCM and turbo ...Signals, ...
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Robust Coding Methods For Space-Time Wireless Communications
... in space-time modulation and coding methods that exploit the presence of multiple transmit and receive ...of space-time codes have been proposed in the liter- ature, such as the layered ...
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