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precoding algorithm

Two-Stage Hybrid Precoding Algorithm Based on Switch Network for Millimeter Wave MIMO Systems

Two-Stage Hybrid Precoding Algorithm Based on Switch Network for Millimeter Wave MIMO Systems

... hybrid precoding architecture based on switch network in comparison with FC-PSs and ...hybrid precoding scheme based on switch network can yield reasonable reduction in the power ...hybrid precoding ...

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P-OMP-IR Algorithm for Hybrid Precoding in Millimeter Wave MIMO Systems

P-OMP-IR Algorithm for Hybrid Precoding in Millimeter Wave MIMO Systems

... Hybrid precoding architecture has attracted wide attention recently, which only requires a small number of radio frequency (RF) chains between the low-dimensional digital precoder and high- dimensional analog ...

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Transmit Antenna Selection Aided Linear Group Precoding for Massive MIMO Systems

Transmit Antenna Selection Aided Linear Group Precoding for Massive MIMO Systems

... group precoding with a transmit antenna group selection (TA-GS) algorithm based on the channel capacity analysis for Massive MIMO ...linear precoding algorithm that works on the selected ...

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Comparison of precoding methods for broadband MIMO systems

Comparison of precoding methods for broadband MIMO systems

... THP precoding algorithm with variable rates using predefined square-QAM constellations is applied to combat ISI incurred by these subchannels as well as achieving a target throughput constrained by an ...

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MRT precoding in downlink multi user MIMO systems

MRT precoding in downlink multi user MIMO systems

... ZF precoding algorithm, the design of BD-based precoding algorithms is performed in two steps [4, ...maximum precoding gain for each sub-stream to further improve the ...performance. ...

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Codebook based precoding for generalized spatial modulation with diversity

Codebook based precoding for generalized spatial modulation with diversity

... a precoding algorithm is developed for SM under per-antenna power constraint: strict per-antenna power constraint, and average per-antenna power ...analog precoding is considered for GSM in ...

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W-LS-IR Algorithm for Hybrid Precoding in Wideband Millimeter Wave MIMO Systems

W-LS-IR Algorithm for Hybrid Precoding in Wideband Millimeter Wave MIMO Systems

... hybrid precoding algorithm is considered for wideband mmWave MIMO ...analog precoding vectors are updated by the power method, and then the digital precoding vectors are compensated by the LS ...

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On the application of quasi degradation to MISO NOMA downlink

On the application of quasi degradation to MISO NOMA downlink

... different precoding algorithms including DPC and ZFBF are obtained, which can be used to insightful performance ...NOMA) precoding algorithm with closed-form expressions is presented, and a ...

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Mm Wave for MIMO systems in fading channel

Mm Wave for MIMO systems in fading channel

... hybrid precoding can be also extended to the combining at the user following the similar logic in ...hybrid precoding matrix P according to Algorithm 2, where we assume that the combining matrix Q = ...

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Reducing the PAPR of OFDM Signals Based on SCHT Precoding

Reducing the PAPR of OFDM Signals Based on SCHT Precoding

... The precoding scheme based on real Hadamard transform is an effective and flexible way for reducing the peak-to-av- erage power ratio (PAPR) of OFDM signals. However, the reduction capacity of PAPR is limited for ...

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Joint multi-user precoding in multi-relay systems

Joint multi-user precoding in multi-relay systems

... Similar to the work on conventional MU-MIMO systems, the downlink multi-user multi-relay systems [3] - [8] are much more popular than their uplink counterparts [9]. Precoding can be utilized at the source node to ...

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Analysis of PAPR Reduction in OFDM Using ZCT Precoding

Analysis of PAPR Reduction in OFDM Using ZCT Precoding

... various precoding based Orthogonal Frequency Division Multiplexing (OFDM) ...various precoding based OFDM systems with the popular Root Raised Cosine (RRC) pulse ...

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MIMO precoding and mode adaptation in femtocellular systems

MIMO precoding and mode adaptation in femtocellular systems

... considered. Different sizes of codebooks are generated and applied to these precoding methods. In general, LI maximizes the macrocellular throughput, but leads to low femtocellular throughput; and PMI achieves the ...

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Design of Precoding and Equalisation for Broadband MIMO Transmission

Design of Precoding and Equalisation for Broadband MIMO Transmission

... We propose a new approach to broadband MIMO precoding and equalisation by the use of a broadband singular value de- composition to decouple the MIMO system matrix into inde- pendent subchannels. In a second step, ...

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Proactive jamming towards interference alignment networks : beneficial and adversarial aspects

Proactive jamming towards interference alignment networks : beneficial and adversarial aspects

... the precoding vector of the jammer is designed to constrain the jamming signal into the same subspace as that of the interference among users at each IA receiver, and thus the potential eavesdropping will be ...

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MIMO precoding for filter bank modulation systems based on PSVD

MIMO precoding for filter bank modulation systems based on PSVD

... PSVD algorithm since it operates at sub-channel level which has a length shorter than that of the broadband ...while precoding in MIMO OFDM can be based on the SVD of the channel, precoding in MIMO ...

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Maximum Ratio Combining Precoding for Multi Antenna Relay Systems

Maximum Ratio Combining Precoding for Multi Antenna Relay Systems

... We further show that a Generalized Maximum Ratio Combiner (GMRC) at the destination is optimum for both AF and DF protocols in terms of SNR. Furthermore, for DF protocol, the precoders at the source and relay nodes ...

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Stable Transmission in the Time-Varying MIMO Broadcast Channel

Stable Transmission in the Time-Varying MIMO Broadcast Channel

... relative gains on par with the measured data. After adding spatial correlation to Jakes’ model, channel realizations are normalized to match the overall gain of the measured channel. Figure 5 again confirms the ...

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Linear precoding in distributed MIMO systems with partial CSIT

Linear precoding in distributed MIMO systems with partial CSIT

... In this article, a WCMS linear precoding strategy is pro- posed for distributed MIMO systems with partial CSIT. The WCMS precoder consists of two parallel modules, one for CM to obtain a coherent gain, and the ...

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Optimal Multiuser MIMO Linear Precoding with LMMSE Receiver

Optimal Multiuser MIMO Linear Precoding with LMMSE Receiver

... linear precoding methods just take one factor into account without entirely ...linear precoding method is proposed in ...linear precoding with linear MMSE receiver problem in a more simplified ...

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