MIMO Systems
On the Duality between MIMO Systems with Distributed Antennas and MIMO Systems with Colocated Antennas
... (MIMO) systems are known to offer huge advantages over single-antenna systems, both with regard to capacity and error ...on MIMO systems concerning the spacing of the individual antenna ...
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RF Communication from SISO Systems to MIMO Systems: An Overview
... The paper provides a detailed review on different schemes for SISO, MISO, SIMO and MIMO systems. Also the various schemes of diversity and equalization underlying schemes are properly presented and ...
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A Variational Approach to the Modeling of MIMO Systems
... Having seen the link between MIMO systems and QM scattering theory, it is interesting to start by recalling some useful QM tools. An incoming wave e is generally rep- resented by a Hilbert space vector ...
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Transmitter Layering for Multiuser MIMO Systems
... multiuser MIMO systems where several multiple antenna terminals com- municate concurrently to a joint ...different MIMO terminals can be beneficial and that higher spectral efficiencies can be achieved ...
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Mm Wave for MIMO systems in fading channel
... In this paper we developed a new optimization algorithm for the design of hybrid precoders and combiners for mmWave MIMO systems. Our two solutions incorporate constraints that account for the practical ...
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An Overview of MIMO Systems in Wireless Communications
... of MIMO systems in wireless communication systems as a breakthrough in wireless communication ...technologies. MIMO systems are used to improve channel noise and interference ...of ...
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On Optimum End to End Distortion in MIMO Systems
... 5.2. An Example in the MSCBR Regime over an Uncorre- lated MIMO Channel. In [15, 16], assuming a N (0, 1) - distributed source and the system bandwidth is normalized to unity, Zoffoli et al. studied the ...
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Uncoordinated pilot decontamination in massive MIMO systems
... We have presented a solution to pilot contamination in channel estimation, which is a major challenge in TDD massive MIMO systems. It is based on a combination of a pilot sequence hopping scheme and a ...
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Complexity Reduction in ML Decoding For MIMO Systems
... 4x4 MIMO systems. Since ML MIMO detection technique is a NP hard analysis, here the comparison for complexity is made with Sphere Decoder (SD) which is considered to be the less complex and give ...
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SIMULATIVE INVESTIGATION ON MIMO SYSTEMS FOR ENHANCED PERFORMANCE
... In MIMO systems, multiple antennas at both transmitter & receiver and diversity techniques can be used to reduce multi-path fading and ...a MIMO system which takes advantage of both these coding ...
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Energy Efficient Channel Estimation in MIMO Systems
... in MIMO systems has been consid- ered in di ff erent ...of MIMO systems by selection of antennae is given as a viable option to minimize energy consumption both at the receiver and transmitter, ...
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A Reconfigurable Spiral Antenna for Adaptive MIMO Systems
... We present a reconfigurable spiral antenna for use in adaptive MIMO systems. The antenna is capable of changing the sense of polarization of the radiated field. It is fabricated by using an RF-MEMS ...
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Comparison of precoding methods for broadband MIMO systems
... both MIMO-Lin and MIMO- THP for the three cases, ...benchmark MIMO systems is marked with a solid-line in all of these ...both MIMO linear and THP with 2 bits (25%) degradation in the ...
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Performance Analysis of Cooperative for Virtual-MIMO Systems
... distributed MIMO techniques and analyzed the total energy consumption per bit of SISO and MIMO, and then showed the feasibility of virtual MIMO in ...virtual MIMO scheme can offer considerable ...
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Wireless Communications with MIMO Systems: Analysis and Practice
... multiuser MIMO communications, which is envisioned to be of crucial importance to future wireless networks, and is believed to benefit significantly from a crosslayer ...multiuser MIMO systems has ...
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Multiple ARQ Processes for MIMO Systems
... We propose a new automatic repeat request (ARQ) scheme for MIMO systems with multiple transmit and receive antennas. The substreams emitted from various transmit antennas encounter distinct propagation ...
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Realistic antenna modeling for MIMO systems in microcell scenarios
... – MIMO) antennas to reach high spectral efficiencies, see Winters (1987); Foschini and Gans (1998); Telatar ...(1998). MIMO systems combine classical techniques such as diver- sity and ...for ...
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MIMO Systems with Intentional Timing Offset
... offset MIMO system. In traditional single carrier MIMO systems, each receive chain downconverts the received signal to baseband, carries out analog to digital conversion, and then employs matched ...
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Analytical Investigation of Channel Capacity of UWB MIMO Systems
... environment, MIMO systems allow for a substantial improvement in the spectral efficiency by ex- ploiting the inherent array gain and spatial multiplexing gain of UWB sys- ...and MIMO designs improve ...
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Energy efficiency analysis and optimization for virtual MIMO systems
... (MIMO) systems, where the transmitter has multiple antennas and each of the receivers has a single antenna, have recently emerged as an effective technique that can improve spectral efficiency of wireless ...
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