MIMO-OFDM systems with MRT-MRC
Asymptotic Analysis in MIMO MRT/MRC Systems
... for MIMO MRT/MRC systems (more general MIMO diversity systems), we take a di ff erent approach in this paper by conducting asymptotic ...of MIMO MRT/MRC ...
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Synchronization in MIMO OFDM systems
... (OFDM) systems is presented. It is well-known that multicarrier systems suffer from their high sensitivity to mismatches of transmitter and receiver oscilla- tor ...
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MRT precoding in downlink multi user MIMO systems
... a designed precoding matrix operation to mitigate the interference and then to obtain the gain with the MRC. In contrast to the existing BD-type precoding, the main focus of this work is motivated by the low ...
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Principles of MIMO-OFDM Wireless Systems
... that the delayed paths increase the total angle spread) can improve performance in the Ricean MIMO case. This is in contrast to the SISO Ricean case where frequency-selectivity leads to a performance degradation ...
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Resource allocation in MIMO-OFDM Systems
... Available online: https://edupediapublications.org/journals/index.php/IJR/ P a g e | 2549 The OFDM system is modeled using MATLAB and is shown in Fig. 2.The data to be transmitted on each carrier is differentially ...
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Semiblind channel estimation for MIMO–OFDM systems
... Abstract This article proposes a semiblind channel estimation method for multiple-input multiple-output orthogonal frequency- division multiplexing systems based on circular precoding. Relying on the precoding ...
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Synchronization and channel estimation in MIMO OFDM systems
... 2*2 MIMO-OFDM systems L=4 and ...of MIMO- OFDM systems which are ...for OFDM systems based on pilot arrangement are ...in MIMO-OFDM ...in OFDM- ...
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Performance of Channel Estimation in MIMO-OFDM Systems
... Keywords: block-comb type, LS, MIMO-OFDM, MMSE 1. Introduction The combination of orthogonal frequency division multiplexing (OFDM) with multiple input multiple-output (MIMO) and space-time ...
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ICI reduction through shaped OFDM in coded MIMO-OFDM systems
... of OFDM lies in its ability to cope with severe frequency-selective fading due to multi-path without complex equalization ...filters. OFDM is able to attain high frequency efficiency as opposed to ...
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Comparing f-OFDM and OFDM Performance for MIMO Systems Considering a 5G Scenario
... In Fig. 7 we present the BER evaluation when QPSK modulation is used with 10 7 Monte Carlo iterations. The BER measurements we present are an average over all the subcarriers carrying data. As can be seen, the BER is ...
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Multiuser MIMO OFDM for Next Generation Wireless Systems
... As an investigation on the GA’s convergence char- acteristics, in Fig. 25 the performance of the 8 6 rank- deficient TTCM-aided MMSE-BQM-IGA-SDMA-OFDM system is illustrated, while using two IGA MUD iterations at a ...
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Multiuser MIMO OFDM Systems using Subcarrier Hopping
... Undoubtedly, the best solution to eliminate the MUI is to avoid sub-band collisions between the different users by assigning each sub-band exclusively to a single user. This ‘one-subband-for-one-user’ scheme will ...
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Training Based Channel Estimation in MIMO OFDM Systems
... ABSTRACT OFDM combined with the MIMO technique has become a core and attractive technology in future wireless communi- cation systems and can be used to both improve capacity and quality of mobile ...
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PAPR Reduction Scheme with SOCP for MIMO OFDM Systems
... reduction approach for MIMO-OFDM. It is based on SOCP and provides significant PAPR reduction gains without transmitting any side information and without degrading BER and data rate at the same time. To do ...
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Synchronization in Wireless Networks for Practical MIMO OFDM Systems
... In MIMO, the signal received at each receiving ante- nna is the superposition of the transmitted signals that from different transmit ...for MIMO-OFDM, since the preamble is usually generated in the ...
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ENERGY AWARE LINK ADAPTATION FOR 'MIMO-OFDM' SYSTEMS
... a large variety of coded MIMO-OFDM systems. Past work dealing with link adaptation has mostly focused on maximizing throughput When the aim is to maximize the throughput of a link, one approach is to ...
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A perspective on Channel estimation in MIMO OFDM wireless systems
... the MIMO- OFDM system under the high speed movement ...robust MIMO-OFDM channel gain estimation by using only the Kalman filter from the canonical state space ...practical ...
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A Review on the Performance of MIMO OFDM Systems with VBLAST Technique
... I.e. OFDM is most effective modulation ...for MIMO OFDM systems, and also examined some equalization techniques and found that MMSE VBLAST gives better result in terms of ...
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Iterative Detection for Overloaded Multiuser MIMO OFDM Systems
... Considering the unavailability of linear MUD and optimal MUD, an iterative multiuser detection scheme is proposed for overloaded multiuser MIMO OFDM system. Based on the iterative principle, joint detection ...
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A Review on : Resource allocation and Routing in MIMO-OFDM Systems
... MU-MIMO systems can be considered as complex integrated multiple aimed optimization problem as various variables and features need to perform efficiently and this had included various number of users, ...
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