space-time coded systems
Maximum Likelihood Turbo Iterative Channel Estimation for Space Time Coded Systems and Its Application to Radio Transmission in Subway Tunnels
... The main motivation for developing a multiple-antenna GSM-based communication system is the following. GSM is, by far, the most widely deployed radio-communication system. Since 1993, its radio interface (GSM-R) has been ...
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Low Complexity Receiver Structures for Space Time Coded Multiple Access Systems
... in space-time coded systems has been concerned with single-user channels [1, 2, ...single-user space-time code con- struction was given in ...for space-time ...
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Blind Channel Estimation for Space Time Coded WCDMA
... in the data stream to blind and semiblind methods where observations corresponding to data and pilots (if they exist) are used jointly. Noncoherent detection schemes for space- time coded ...
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Pre-Decorrelation for Coded DS-CDMA System with Space-Time Block Coding
... The new generations of mobile communications systems aim to provide enhanced voice, text and data services to the user. These demands give rise to the complexity and power consumption of the user terminal (UT) ...
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Performance of Turbo Interference Cancellation Receivers in Space Time Block Coded DS CDMA Systems
... In this paper, two turbo interference cancellation receivers are discussed and are divided into the MMSE front-end turbo space-time partitioned approach receiver (PA) and the MMSE front-end turbo ...
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Space Time Turbo Coded Modulation: Design and Applications
... antenna systems. The so-called space-time coding (STC) schemes are focused on merging antenna diversity with appropriate channel coding in order to achieve both coding and antenna diversity ...the ...
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On Some Design Issues of Space Time Coded Multi Antenna Systems
... In this paper, we discussed some design issues of the open- loop space-time coded multi-antenna system. Through intu- itive, as well as analytical explanations, we revealed one by one the advantages ...
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Blind and semi blind ML detection for space time block coded OFDM wireless systems
... existing standards such as digital subscriber line (DSL), WLAN standards (IEEE 802.11 a/b/g), LAN standard (IEEE 802.11n) [3], MAN standards (IEEE 802.16e), digital audio broadcast (DAB), and digital video broadcast ...
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A Low-Complexity Time-Domain MMSE Channel Estimator for Space-Time/Frequency Block-Coded OFDM Systems
... We consider the design of low-complexity MMSE channel es- timators for SF/ST-OFDM systems in unknown wireless dis- persive fading channels. We first derive the MMSE estimator based on the stochastic orthogonal ...
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Signal Detection in Space-Time Coded Communication Systems with Imperfect Channel Estimation and Carrier Frequency Offset
... Despite the presence of CSI estimation errors, efforts have been made to design detection schemes that can alleviate the effects of these errors. Tarokh [23] proposed a maximum likelihood detection scheme that ...
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Quadrature Amplitude Modulation: From Basics to Adaptive Trellis Coded, Turbo Equalised and Space Time Coded OFDM, CDMA and MC CDMA Systems
... Turbo Coded Modulation (TuCM) [371] was pro- posed in ...turbo coded bits and this bit stream may be punctured for generating three bits, which are mapped to an 8PSK modulation ...Trellis Coded ...
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Space Time Turbo Trellis Coded Modulation for Wireless Data Communications
... communication systems, mul- tiple antennas are being considered for applications at base station receivers with the aim to suppress cochannel inter- ference and minimize the fading e ff ects on the ...
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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 Analysis of Iteratively Decoded 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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Iteratively Decoded 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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Analysis and Compensation of Transmitter and Receiver I/Q Imbalances in Space Time Coded Multiantenna OFDM Systems
... One important practical RF impairment, being also the topic of this paper, is the so-called I/Q imbalance phe- nomenon [8–11, 19], stemming from the unavoidable dif- ferences in the relative amplitudes and phases of the ...
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Turbo Equalization of Convolutional Coded and Concatenated Space Time Trellis Coded Systems using Radial Basis Function Aided Equalizers
... I I xc TITS : space-time symbol interleaver -1 : space-time symbol deinterleaver =s Figure 4: Receiver of the serially concatenated systematic convolutional coded and systematic STTC sys[r] ...
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Pilot Symbol Assisted Channel Estimation for Space Time Coded OFDM Systems
... Space-time coded orthogonal frequency division multiplexing (OFDM) transmitter diversity techniques have been shown to pro- vide an efficient means of achieving near optimal diversity gain in ...
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Adaptive Switching between Space Time and Space Frequency Block Coded OFDM Systems in Rayleigh Fading Channel
... Space diversity is employed to counter fight fading and it is widely used in wireless systems. The basic idea behind this approach is to transmit more copies of a sig- nal which permits to be more resistant ...
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Variable Length Space Time Coded Modulation
... communication systems of future generations are required to provide reliable transmissions at high data rates in order to offer a variety of multimedia ...services. Space time coding schemes, which ...
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