Network Massive MIMO Transmission Over Millimeter-Wave Bands | IEEE Conference Publication | IEEE Xplore

Network Massive MIMO Transmission Over Millimeter-Wave Bands


Abstract:

To alleviate the blockage effects involved in millimeter-wave propagation, we investigate network massive multiple-input multiple-output (MIMO) transmission where only st...Show More

Abstract:

To alleviate the blockage effects involved in millimeter-wave propagation, we investigate network massive multiple-input multiple-output (MIMO) transmission where only statistical channel state information is available at base stations (BSs). We first establish a network massive MIMO transmission model over millimeter-wave bands using per-beam synchronization. We Figure out that the beam domain is in favor of performing transmission in this scenario. We also demonstrate that BSs can work individually when sending signals to user terminals. Based on these insights, the network massive MIMO precoding design is reduced to a network sum-rate maximization problem with respect to beam domain power allocation. By exploiting the sequential optimization method and random matrix theory, an iterative algorithm with guaranteed convergence is further proposed to solve the problem. Numerical results reveal that the proposed network massive MIMO transmission approach can effectively alleviate the blockage effects and provide substantial performance gains over the existing transmission approaches.
Date of Conference: 07-11 June 2020
Date Added to IEEE Xplore: 27 July 2020
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ISSN Information:

Conference Location: Dublin, Ireland

I. Introduction

The shortage of global wireless spectrum resources has prompted people to explore millimeter-wave (mmWave) bands [1]. Thanks to the deployment of large-scale antenna arrays at the base stations (BSs), massive multiple-input multiple-output (MIMO) could serve a plurality of user terminals (UTs) over the same physical layer resources and remarkably increase the system spectral efficiency. Combining mmWave transmission with massive MIMO is a practical point of view and causes widespread concern [2]. The short wavelength in mmWave signals allows a small physical space to encapsulate a large antenna array. Meanwhile, high beamforming gains of massive MIMO can solve the problem of high propagation path loss of mmWave transmission.

References

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