MIMO-OFDM
ICI reduction through shaped OFDM in coded MIMO-OFDM systems
... a MIMO-OFDM system, inter-symbol interference (ISI) caused by multi-path propagation (time dispersion) can be eliminated by adding a frequency guard interval dubbed the cyclic prefix (CP) between adjacent ...
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Analysis of MIMO-OFDM System with Transmission
... of MIMO-OFDM system is shown in figure ...The OFDM signal for each antenna is obtained by applying the inverse Fast Fourier transform (IFFT) and can be detected using Fast Fourier transform (FFT) ...
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Synchronization and channel estimation in MIMO OFDM systems
... The aim of this survey is to investigate channel estimation method with carrier frequency offset in MIMO-OFDM systems. According to this, using maximum likelihood estimation algorithm (MLE), the carrier ...
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Review on Channel Estimation in MIMO OFDM Wireless System
... multipath. OFDM is a modulation technique which has multiple carrier, it retains various carriers, within the allotted bandwidth, to convey the data from source to ...[11] MIMO system has been proposed ...
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BER Performance of MIMO-OFDM System using STTC
... new MIMO-OFDM model, the channel parameters are estimated from a pilot data transmitted by the receiver ...the MIMO encoder and the MIMO decoder from the conventional MIMO-OFDM ...
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A New Transmission Scheme for MIMO – OFDM
... reduced. MIMO code was designed in such a way that it can be raised up to 2xN ...that MIMO-OFDM with space time coding can provide high data rate transmission and there is no need to increase the ...
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Implementation Of Mu Mimo Ofdm With Dcsk Modulation
... strategy to reap a greater portrayal. The suitability of the proposed chaos primarily based common sense is secure within a multiple furnish more than one output orthogonal frequency confrontation extra than one chalk ...
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Iterative Receiver Architectures for MIMO OFDM
... turbo MIMO-OFDM receiver com- prises three major components, namely the soft-feedback aided decision-directed channel estimator (DDCE) [6], followed by the soft-input-soft-output optimized-hierarchy reduced ...
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A new MIMO system using Modified Hermite Pulses Compared to MIMO-OFDM system
... The Hermite functions constitute an orthogonal waveforms. To be used as support of transmission, the operation requires that they must be normalized. At the receiver, the orthogonality of these functions guarantees the ...
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Training Based Channel Estimation in MIMO OFDM Systems
... In this paper, we have considered the training based channel estimation for MIMO-OFDM systems. It is seen that there is ample scope for performance improvement even in the presence of the channel mismatch ...
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Semiblind channel estimation for MIMO–OFDM systems
... for MIMO–OFDM systems based on a specific and non-redundant precoding scheme, say, circular pre- coding, since the circular precoding allows channel esti- mation at the receiver and simplifies the encoding ...
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Adaptive Channel Estimation Technique for MIMO-OFDM
... III. T RAINING S EQUENCE B ASED C HANNEL E STIMATION Based on the assumptions such as perfect synchronization and block fading, a MIMO-OFDM system is design. In training based channel estimation algorithms, ...
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Minimization of ICI Using Pulse Shaping in MIMO OFDM
... : MIMO OFDM system is very popular now days in the field of communication system supporting Multimedia transmission over limited Bandwidth ...conventional MIMO OFDM system for minimization of ...
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MIMO OFDM and IDMA scheme in underwater communication
... paper, MIMO-OFDM and IDMA scheme is studied for the underwater ...The OFDM scheme is described thoroughly, the pros and cons of OFDM also ...listed. MIMO scheme is explained, the ...
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Resource allocation in MIMO-OFDM Systems
... filling algorithm. The simulation model accepts inputs as text or audio files, binary, sinusoidal, or random data. The channel simulation allows examination of common wireless multipath channel characteristics such ...
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PAPR Reduction in Multi-User MIMO-OFDM
... The proposed joint precoding, modulation, and PAR reduction framework, referred to as PMP, facilitates an explicit trade-off between PAR, SNR performance, and out-of-band interference for the large-scale ...
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On MIMO OFDM with Coding and Loading
... A number of loading algorithms have been proposed for single-antenna OFDM systems (cf. [3–8]), and most of them achieve quite similar performance-complexity tradeoffs. In this paper, we are interested in constant ...
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A Hybrid PAPR Reduction Scheme for MIMO OFDM System
... MIMO OFDM is extensively used as a promising technique for next-generation broadband wireless applications due to its robustness against multipath fading and the potential of providing high throughput ...of ...
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Characteristics of MIMO OFDM Channels in Indoor Environments
... measured MIMO-OFDM channels for each OFDM subcarrier and for each MIMO ...the MIMO subchannels in the atrium while relatively smaller values are seen in the laboratory, which is ...
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Dynamic Beamforming for MIMO-OFDM
... for MIMO-OFDM in LTE technique, Beam forming can be used at both the transmitting and receiving ends in order to achieve spatial ...rejection. MIMO(Multiple-Output, Multiple-Input) Systems achieves ...
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