2020
DOI: 10.1109/tvt.2020.3030223
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Abstract: Millimeter wave (mmWave) systems have attracted considerable attention as a benefit of their Gbps services. Therefore, wireless-gigabit (WiGig) transmission has been developed based on the IEEE 802.11ad and 802.11ay standards of wireless local area networks (WLANs) in the 60-GHz band. To overcome the high path loss of mmWave, beamforming and beam-sector based training protocols are specified in 802.11ad/ay. With the increase in service demand, more WiGig access points (APs) will be deployed, hence the transmis… Show more

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Cited by 6 publications
(4 citation statements)
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References 32 publications
(54 reference statements)
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“…We remark that for simplicity of notation in the above, we avoided using the superscripts d and u when not necessary. In particular, the quantities y k , s k , s k and n k in equation ( 5), as well as η k in equation ( 6), all obviously refer to DL, while the quantities y, s k , n, ŝk and s k in equations ( 8) and ( 9), as well as η k in equation (10), all obviously refer to UL, such that the use of the superscripts on those quantities is unnecessary. In what follows, we shall also omit these superscripts when referring to the TX and RX beamformers whenever both cases can be considered interchangeably.…”
Section: B Uplink Casementioning
confidence: 99%
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“…We remark that for simplicity of notation in the above, we avoided using the superscripts d and u when not necessary. In particular, the quantities y k , s k , s k and n k in equation ( 5), as well as η k in equation ( 6), all obviously refer to DL, while the quantities y, s k , n, ŝk and s k in equations ( 8) and ( 9), as well as η k in equation (10), all obviously refer to UL, such that the use of the superscripts on those quantities is unnecessary. In what follows, we shall also omit these superscripts when referring to the TX and RX beamformers whenever both cases can be considered interchangeably.…”
Section: B Uplink Casementioning
confidence: 99%
“…With that clarification, it is evident from equations (6) and (10) that the maximization of the system's DL and UL spectral efficiencies under the knowledge of the channel matrices H k requires the joint optimization of the transmit and receive beamformers V k and U k , respectively, for the corresponding DL and UL modes. And at this point, it will prove convenient to collect all K components of each these key system matrices into system-wide quantities, which with M k = Q k for different UEs, can be achieved via the introduction of tensor notation.…”
Section: B Uplink Casementioning
confidence: 99%
“…Given the severe interbeam interferences caused by mobility of users, the authors of [34] proposed a beam resource allocation and mobility-aware subband scheme for the mmWave subband-beam massive MIMO systems. The authors of [35] focused on beam training problem of wireless local area networks in the 60-GHz band and designed an advanced beamforming training protocol for multiple access points and multiple users. The authors of [36] applied perbeam synchronization for a massive MIMO system to alleviate the delay dispersion effects and channel Doppler due to mobility and blockage.…”
Section: Mmwave Beam Managementmentioning
confidence: 99%
“…However, joint baseband digital and analog phase shifter precoders should be designed which requires a considerably high computational complexity [11]. In [12], [13], the papers design beamforming schemes from protocol perspectives. Although deep learning can alleviate the complexity issue, it cannot derive either closed-forms or proofs of optimality and convergence [14].…”
Section: Introductionmentioning
confidence: 99%