[PDF] Top 20 Maximum Likelihood Blind Channel Estimation for Space Time Coding Systems

... The rapid growth in demand for a wide range of wireless services is a major driving force to provide high-data rate and high quality wireless access over fading channels [1]. However, wireless transmission is limited by ... See full document

... processing time per symbol is useful in estimating the delay introduced in the system and making appropriate design ...processing time in- creases with the number of symbols considered, and beyond 8000 ... See full document

... communication systems to improve the system capacity and to combat channel fading ...[10]. Space-Time block coding (STBC) combines space and time diversity techniques and ... See full document

... the channel capacity, OFDM employ multiple antennas both at transmitter and receiver to perform the multiple input multiple output (MIMO) system ...combat channel impairment due to moving vehicle. ... See full document

... The time-delay estimation can be enhanced by model- based ...use channel estima- tion models in order to counteract the effect of ...the channel, instead of identifying the physical mul- ... See full document

... decision-directed channel estimator is susceptible to error ...decision-directed channel estimator depends on the number of errors in the decisions or decoded sym- bols used to direct the channel ... See full document

... a blind channel estimation technique for multiple-input multiple-output (MIMO) space-time block coded (STBC) systems has been ...the channel, up to a real scalar, within a ... See full document

... communication channel leads to random fluctuation in the received ...wireless channel is non stationary and noisy due to fading and ...wireless channel suffers from two main categories, propagation ... See full document

... MC-CDMA systems are of great interest for future broadband ...of channel identification and signal com- bining/detection schemes for MC-CDMA systems equipped with multiple transmit antennas and ... See full document

... A blind joint ML scheme for MIMO channel estimation and data detection has been proposed by iterating between the RWBS channel estimator and the OHRSA-aided ML ...proposed blind scheme ... See full document

... the channel impulse re- sponse has to be estimated, it is convenient to have chan- nel estimators capable of benefiting from the high perfor- mance of Turbo equalizers [15, 16, ...for channel ... See full document

... A space-time equaliser (STE) based on this SIMO structure is capable of mitigating the chan- nel impairment arising from hostile multipath ...put, blind adaptation of the STE is attractive, since ... See full document

... the channel capacities and the error rates of MIMO systems with channel estimation errors in [5]- [14], several researchers have also studied ways of improving the performances of MIMO ... See full document

... tion loop by combining a global optimization method, referred to as the repeated weighted boosting search technique RWBS [11] invoked for the optimal estimation of the SIMO channel and t[r] ... See full document

... 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 ... See full document

... the estimation. The authors per- form pilot-aided channel estimation under the classical assumption that the number of pilots is greater than the channel ...mum likelihood (ML) ... See full document

... new estimation method presented within this dissertation helps fix problems encountered in real data analysis such as bias, small sample size, and separation of data ...penalized maximum likelihood ... See full document

... (OFDM) systems, a frequency selective (FS) channel is commuted into an accumulation of flat fading channels, which can be indemnified by simply using an equalizer of one-tap ...the channel in ... See full document

... parallel systems) were not identified with exact or analytical form of probability density function since they are complex functions of sample ...L estimation approach by Monte-Carlo Simulation using an ... See full document

... dual-rate blind detectors which are comparable to the corresponding adaptive ST dual-rate blind MMSE ...dual-rate blind MMSE detector for each element is a natural ...high-rate blind MMSE ... See full document