space-time channel estimation
Blind Channel Estimation for Space Time Coded WCDMA
... the proposed algorithm depend on the code matrix T. Here, we considered the identifiability condition through simula- tion. We evaluated the condition number of the code matrix T as the number of users increases, that ...
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Adaptive Blind Multiuser Detection over Flat Fast Fading Channels Using Particle Filtering
... We propose a method for blind multiuser detection (MUD) in synchronous systems over flat and fast Rayleigh fading channels. We adopt an autoregressive-moving-average (ARMA) process to model the temporal correlation of ...
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Signal Detection in Space-Time Coded Communication Systems with Imperfect Channel Estimation and Carrier Frequency Offset
... accurate Channel State Information; however this information is available at the receiver only in the form of CSI ...the estimation error variance increased and as higher order modulation schemes were used ...
108
Code Combination for Blind Channel Estimation in General MIMO-STBC Systems
... blind channel estimation under space-time block coded (STBC) transmissions is ...blind channel estimation criterion that generalizes previous works is ...the channel is ...
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SPACE TIME CODING TECHNIQUE FOR WIRELESS COMMUNICATION USING MIMO SYSTEM FOR CHANNEL ESTIMATION
... Simulation results for the performance of STBC on a Rayleigh fading channel will be presented here. In the simulation, QPSK modulation was used, and there is perfect channel state information at receiver. ...
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Space Time Coded MC CDMA: Blind Channel Estimation, Identifiability, and Receiver Design
... Tx1 and Tx2, respectively. A trade-off is often made be- tween the bandwidth allocated to an MC-CDMA system and the processing gain P such that Q is an integer mul- tiple of P [11]. Here, we assume that P = Q to simplify ...
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Multiple Antenna Transmission Technique for UWB System
... using space-time block code (STBC) [13, 14] to MB-OFDM UWB ...the channel modeling and channel estimation are important [15, ...the time domain, and the channel ...
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Joint Estimation and Decoding of Space Time Trellis Codes
... It is well known that in the implementation of the SIS method, as the recursions proceed, the variance of the sam- ple weights increases. This means that only a few samples have significant weights leading to poor ...
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JOINT SOURCE CHANNEL CODING WITH SPACE TIME TRELLIS CODE MODULATION
... of channel coding is to protect data against corruption during a wireless or wireline ...of channel codes are convolution codes and block ...as channel code but it is not suitable for high data rate ...
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Performance evaluation of MIMO OFDM implementation on Wireless Open Access Research Platform (WARP)
... a space-time block codes (STBC) Alamouti × [3], ...requires time synchronization, channel estimation and frequency offset estimation, which is performed by using a preamble ...
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Performance Analysis of Space Time Frequency Coding In Ofdm Systems for Future Wireless Communications
... of channel estimation ...MIMO-OFDM channel estimation, there is very little development on channel estimation techniques that are based on power ...
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Modulation Recognition for MIMO Communications
... the space-time coding, the channel and the ...blind estimation of the number of transmitter antennas; a review is exposed in reference ...the Space-Time coding [4, 5, 6] and the ...
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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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Sample space-time covariance matrix estimation
... This paper aims to close the gap, in order to link eigen- value and -space perturbations directly to the variance of sam- ple space-time covariance. To date, results have been derived for the ...
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Analysis of SOSTTC-OFDM based on Least Squares Method
... orthogonal space time trellis coded-OFDM system with channel estimation error in a quasi-static frequency selective fading channel is ...the channel matrix is obtained by using a ...
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Channel Estimation Technique for STBC coded MIMO System with Multiple ANN Blocks
... a channel estimation technique based on Artificial Neural Networks (ANN) has been proposed as an alternative to pilot based channel estimation technique for Space-Time Block ...
5
Maximum Likelihood Blind Channel Estimation for Space Time Coding Systems
... blind channel estimation ...the estimation of channel in- formation to improve performance of space-time coded sys- tems operating on fading channels [4, 5, 6, ...blind ...
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Space-time block coding with imperfect channel estimation and synchronization
... the channel state information ...the channel estimation can never be perfect and fading factors derived from pilot symbols cannot represent the channels for data symbols in fast fading environment ...
102
Pilot Symbol Assisted Channel Estimation for Space Time Coded OFDM Systems
... the channel parameters is required at the receivers for diversity combining and ...(PSA) channel estimator for multiple transmitter OFDM ...The time- varying channel responses are tracked by ...
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An Adaptive LMMSE Interpolation Algorithm for Channel Estimation in LTE Advanced Systems
... the channel power delay profile (PDP), which is not consistent with the actual ...RMS estimation. The time-delay parameters of channel first are estimated by pilots, then LMMSE interpolation ...
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