• Nenhum resultado encontrado

[PDF] Top 20 Channel estimation in massive MIMO systems

Has 10000 "Channel estimation in massive MIMO systems" found on our website. Below are the top 20 most common "Channel estimation in massive MIMO systems".

Channel estimation in massive MIMO systems

Channel estimation in massive MIMO systems

... nowadays in wireless communications, is the signal-carrier frequency division multiple access (SC-FDMA) [67], ...performance, in comparison to linear equalizers, is traded by increased complexity ...worsens ... See full document

87

Iterative Channel Estimation Algorithm in Multiple Input Multiple Output Orthogonal Frequency Division Multiplexing Systems

Iterative Channel Estimation Algorithm in Multiple Input Multiple Output Orthogonal Frequency Division Multiplexing Systems

... study MIMO-OFDM system was chosen for investigation due to its advantages, such as removing ISI and ICI and its appropriate performance in frequency selective fading channels and a simple structure of the ... See full document

5

End-to-end 5G testbed characterisation and improvements at 60GHz

End-to-end 5G testbed characterisation and improvements at 60GHz

... SISO systems, with two main techniques employed for the data transmission: Spatial Diversity (SD) and Spatial Multiplexing (SM) ...SD systems trans- mit the same information through the multiple antennas to ... See full document

161

Pedro Alexandre Velez Fernandes

Pedro Alexandre Velez Fernandes

... MIMO systems can provide two types of gains: diversity gain and spatial multiplexing ...used in MIMO to combat channel fading. Since in MIMO each pair of transmitting and ... See full document

63

Spectral Efficiency Analysis in Massive MIMO using FBMC-OQAM Modulation

Spectral Efficiency Analysis in Massive MIMO using FBMC-OQAM Modulation

... used in the future 5G wireless networks in which Massive Multiple-Input Multiple-Output (MIMO) will be ...technique in 4G communications and the latter is one of the strongest ... See full document

15

eve cerfernandes Blind multipath MIMO channel parameter

eve cerfernandes Blind multipath MIMO channel parameter

... radiocommunication systems, signals are often transmitted through multiple propagation paths, characterized by specular reflections, troposphere refractions and scattering due to physical objects placed in ... See full document

5

Tensorbased MIMO relaying communication systems

Tensorbased MIMO relaying communication systems

... communication systems, two or more transmitting terminals are combined to increase the diversity and/or the power of the signals arriving at a particular ...(MIMO) systems, especially the increase ... See full document

155

A QR factorization based algorithm for pilot assisted channel estimation in OFDM systems

A QR factorization based algorithm for pilot assisted channel estimation in OFDM systems

... improvement in the accuracy of the LS estimates re- sults in more accurate sub-carrier estimates in the interpolation out- ...puts. In the next section we propose an adaptive scheme for ... See full document

4

MIMO SC-FDE Transmission Techniques with Channel Estimation and High-Order Modulations

MIMO SC-FDE Transmission Techniques with Channel Estimation and High-Order Modulations

... and MIMO settings with QPSK, 16QAM and ...joint channel estimation and ...estimate channel and ...iterative channel estimation and detection/decoding ... See full document

8

Repositório Institucional UFC: Tensor methods for array processing and channel estimation in wireless communications systems

Repositório Institucional UFC: Tensor methods for array processing and channel estimation in wireless communications systems

... spread in the frequency-domain via multiple adjacent subcarriers, and then reported back to the ...joint estimation of the DL and UL channels are formulated. In addition, as another contribution, we ... See full document

136

Fast matrix inversion updates for massive MIMO detection and precoding

Fast matrix inversion updates for massive MIMO detection and precoding

... interested in recomputing the new inverse Z −1 in the least time possible in order to maximize data ...this in mind, it is possible, using the matrix inversion lemma, to decrease the number of ... See full document

14

Analytical performance evaluation of massive MIMO techniques for SC-FDE modulations

Analytical performance evaluation of massive MIMO techniques for SC-FDE modulations

... Abstract: In the Fifth Generation of telecommunications networks (5G), it is possible to use massive Multiple Input Multiple Output (MIMO) systems, which require efficient receivers capable of ... See full document

12

Channel Estimation using Adaptive Filtering for LTE-Advanced

Channel Estimation using Adaptive Filtering for LTE-Advanced

... proposed in [4]. For these adaptive techniques, used in 4G wireless communication systems, iterative receivers employing joint detection and decoding are proposed in ...The channel can ... See full document

9

MIMO array capacity optimization using a genetic algorithm

MIMO array capacity optimization using a genetic algorithm

... antenna systems and proposes a genetic algorithm to obtain the position and orientation of each MIMO array antenna that maximizes the ergodic capacity for a given propagation ...task in the ... See full document

11

Computation of antenna pattern correlation and MIMO performance by means of          surface current distribution and spherical wave theory

Computation of antenna pattern correlation and MIMO performance by means of surface current distribution and spherical wave theory

... antenna systems may effi- ciently exploit the spatial domain by parallel subchanneling employing decoupled transmit- and receive paths as shown in Foschini (1996), Yu and Ottersten ...of channel ... See full document

7

EVALUATION OF BER FOR VARIOUS FADING CHANNEL IN DWT BASED MIMO-OFDM SYSTEM

EVALUATION OF BER FOR VARIOUS FADING CHANNEL IN DWT BASED MIMO-OFDM SYSTEM

... Abstract— MIMO communication is mainly use in the OFDM to improve the communication performance and ...based MIMO-OFDM is used in this paper. Compare to the FFT based MIMO-OFDM it has ... See full document

7

Efficient channel estimation using TCH codes

Efficient channel estimation using TCH codes

... demonstrated in [4] and they are described as having a sturdy error correcting performance (oriented to transmit short and sensible infor- mation), as being able to use Fast Fourier Transform (FFT) to execute ... See full document

7

Repositório Institucional UFC: Transceiver design for massive MIMO systems: approaches based on matrix completion, beam selection and random pilots

Repositório Institucional UFC: Transceiver design for massive MIMO systems: approaches based on matrix completion, beam selection and random pilots

... aspect in real-world wireless systems, the aim is to provide a solution to the problem of CSI acquisition at the BS with reduced load in the feedback channel of FDD-based massive ... See full document

111

Iterative receiver combining IB-DFE with MRC for massive MIMO schemes

Iterative receiver combining IB-DFE with MRC for massive MIMO schemes

... a massive MIMO system with T=4 single-antenna transmitter with R ...implemented in each ...Every channel has 100 slots, symbol-spaced, equal-power multipath ... See full document

6

Feedback reduction of spatially multiplexed MIMO systems using compressive sensing

Feedback reduction of spatially multiplexed MIMO systems using compressive sensing

... feedback channel is noiseless and delay free. However, as shown in Figure 1, the feedback channel is limited, so the CSI is not completely obtained by the transmit ...CSI. In this work, we ... See full document

5

Show all 10000 documents...