Semi Blind Channel Estimation
Comparison of Semi Blind Channel Estimation Techniques with Old Techniques for MIMO OFDM Systems
... effective channel estimation is ...the channel these bits are called ...a semi-blind channel ...the estimation error variance bounds of the pilot-based and ...
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Novel Semi blind Channel Estimation Schemes for Rayleigh Flat Fading MIMO Channels
... based semi-blind channel estimation and proposed novel semi-blind channel estimation techniques for Rayleigh flat fading MIMO ...100 blind data symbols among ...
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A New Approach to Semi blind Channel Estimation for MIMO Wireless Communication System
... to Semi-Blind Channel Estimation (SBCE) technique for Multiple Input Multiple Output (MIMO) wireless communication system is ...Based Channel Estimation (TBCE) scheme with ...
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Semi Blind Reception Using Joint Channel Estimation in IDMA Systems
... (CSI). Channel coefficient estimation is usually performed using known training sequences which are periodically transmitted (for instance, at the start of each frame), implicitly assuming that the ...
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BLIND CHANNEL ESTIMATION AND MULTIUSER DETECTION FOR MULTI-RATE CDMA COMMUNICATIONS
... to blind chan- nel estimation and multiuser detection for multi-rate ...the channel is often required to be time-invariant during this long observation period, which potentially makes these algo- ...
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Development and verification of semi-blind receiver structures for broadband wireless communication systems
... from channel state information ...signal, blind or semi-blind channel estimation and equalisation techniques [7] was proposed to obtain the ...receiver, blind or ...
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Semi-blind CFO estimation and ICA based equalization for wireless communication systems
... from Channel State Information ...resource. Blind or semi-blind channel estimation and equal- ization methods [10] can obtain the CSI and recover the source data directly from ...
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Mean Square Error of Blind Channel Estimation Using a Constant Modulus Algorithm
... the channel state information can be obtained by using channel estimation at the receiver, because the OFDM system using coherent modulation needs channel state information to decode the ...
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Semi Blind and Group Blind Multiuser Detection for the MC CDMA Uplink
... A short cyclic prefix, rather than differential coding, isused for removing the phase ambiguity imposed by the blind channel estimation scheme, and the Akaike information theoretic crite[r] ...
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Review On Adaptive Blind Channel Estimation Using LMS Based Techniques In OFDM Systems
... fading channel, the CE performance are severely diminished, while the forgetting factor is optimized ...best estimation method is blind estimation, which is further classified into two sub ...
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Orthogonal Sequences Based Multi-CFO Estimation and Semi-Blind ICA Based Equalization for Multiuser CoMP Systems
... Channel estimation and multiuser detection play an important role in multiuser CoMP ...and blind methods [10]-[15], are commonly used in wireless communications to estimate the channel state ...
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Assisted Channel Estimation with Dynamic Allocation Pilot Subcarriers for OFDM Communications
... The channel estimation is a fundamental step in a trans- mission system whose performances are directly related to the severity of this step in the reception ...The estimation quality is highly ...
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Joint Maximum Likelihood Channel Estimation and Data Detection for MIMO Systems
... 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 ...
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Receiver based Rate Adaptation Approach through Blind SNR Estimation of Satellite Channel
... Abstract— A joint source and channel coding approach for image transmission over a satellite based broadcast channel is proposed. A resolution scalable source is matched to a hierarchical constellation in ...
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Space Time Coded MC CDMA: Blind Channel Estimation, Identifiability, and Receiver Design
... of channel identification and signal com- bining/detection schemes for MC-CDMA systems equipped with multiple transmit antennas and space-time (ST) ...subspace-based blind channel identification ...
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Experiments with repeating weighted boosting search for optimization in signal processing applications
... applied the ASA to the same problem, and for a comparison, the results given in [21] are replotted in Figs. 10 and 11 for the 2-PAM and 4-PAM cases, respectively. Compared the results of using the RWBS and ASA in these ...
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Transmit Delay Structure Design for Blind Channel Estimation over Multipath Channels
... fading channel using equalization techniques, and then design space-time codes for the resulted flat fading channel(s), see [21] for example; (iii) convert the frequency- selective channels into a number of ...
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Blind Joint Maximum Likelihood Channel Estimation and Data Detection for SIMO Systems
... the blind joint ML channel estimation and data detection for the SISO system, the RWBS algorithm achieved a similar convergence speed as the GA and was seen to be more ac- curate than the ...
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A Survey on Channel Estimation for OFDM-IDMA Receivers Systems
... OFDM channel estimation based on piecewise- constant and piecewise-linear interpolation between pilots has been proposed for OFDM system in [15], with the drawback that they need large pilots to get ...
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Review of Channel Estimation Techniques in OFDM
... OFDM is a frequency division multiplexing technique used as a multi carrier modulation method. Because of high capacity transmission of OFDM, it has been applied to digital transmission system, the basic principle of ...
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