Because of the existing interactions among the variables of a multiple input-multiple output (MIMO) nonlinear system, its identification is a difficult task, particularly in the presence of uncertainties. Cement rotary kiln (CRK) is a MIMO nonlinear system in the cement factory with a complicated mechanism and uncertain disturbances. The identification of CRK is very important for different pur...

Rapid growth in mobile computing and other wireless multimedia services is inspiring many research and development activities concerning high-speed wireless communication systems. The main challenges in this area include the development of efficient coding and modulation techniques to improve the quality and spectral efficiency of wireless systems. Multiple-input multiple-output (MIMO) techniqu...

Multiple-input multiple-output (MIMO) wireless communication systems have the potential to offer high data rates as well as link reliability. Over the past years, MIMO systems have been regarded as firm candidates for future mobile communication standards, both in single user and multiuser modes of operation. The feasibility of these systems in future standards depends in great measure on the a...

In this paper, we present a memory-efficient and faster convolution encoding and adaptive viterbi decoding implementation technique for MIMO-OFDM communication systems on FPGA. A method for the 1/3 convloution encoder and Modified viterbi decoder design used for coding techniques on FPGA. Our design utilizes the minimum required on-chip memory for the MIMO-OFDM implementation. Using the propose...

Transmit beamforming with receive combining is a simple method for exploiting the significant diversity provided by multiple-input multiple-output (MIMO) systems, and the use of orthogonal frequency division multiplexing (OFDM) enables low complexity implementation of this scheme over frequency selective MIMO channels. A major challenge to MIMO-OFDM systems is how to obtain the channel state in...

Massive multiple-input-multiple-output (MIMO) systems use few hundred antennas to simultaneously serve large number of wireless broadband terminals. It has been incorporated into standards like long term evolution (LTE) and IEEE802.11 (Wi-Fi). Basically, the more the antennas, the better shall be the performance. Massive MIMO systems envision accurate beamforming and decoding with simpler and p...

This article investigates the performance of cellular networks employing distributed antennas in addition to the central antennas of the base station. Distributed antennas are likely to be implemented using remote radio units, which is enabled by a low latency and high bandwidth dedicated link to the base station. This facilitates coherent transmission from potentially all available antennas at...

In order to build the MIMO (Multiple Input Multiple Output) channel model based on IEEE 802.16, the way and analysis on how to build good MIMO channel model are described in this study. By exploiting the spatial freedom of wireless channels, MIMO systems have the potential to achieve high bandwidth efficiency, promoting MIMO to be a key technique in the next generation communication systems. As...

in this study, a multi-objective genetic algorithm (moga) is utilized to extract interpretable and compact fuzzy rule bases for modeling nonlinear multi-input multi-output (mimo) systems. in the process of non- linear system identi cation, structure selection, parameter estimation, model performance and model validation are important objectives. furthermore, se- curing low-level and high-level ...

MIMO has high flexibility for realizing reliable and/or high capacity communication systems utilizing various signal domains such as space, time , frequency and antenna polarization. We have studied antennas and propagation related MIMO technologies energetically. In this presentation, we introduce recent our research topics for such MIMO systems.