BDMA for Millimeter-Wave/Terahertz Massive MIMO Transmission With Per-Beam Synchronization

We propose beam division multiple access (BDMA) with per-beam synchronization (PBS) in time and frequency for wideband massive multiple-input multiple-output (MIMO) transmission over millimeter-wave (mmW)/Terahertz (THz) bands. We first introduce a physically motivated beam domain channel model for...

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Bibliographic Details
Published inIEEE journal on selected areas in communications Vol. 35; no. 7; pp. 1550 - 1563
Main Authors Li You, Xiqi Gao, Ye Li, Geoffrey, Xiang-Gen Xia, Ni Ma
Format Journal Article
LanguageEnglish
Published New York IEEE 01.07.2017
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Antennas
beam division multiple access (BDMA)
Broadband
Channel models
Channels
Computer simulation
Delays
Division
Envelopes
Ergodic processes
Greedy algorithms
Infinity
massive MIMO
Millimeter-wave
MIMO
MIMO (control systems)
Multiple access
OFDM
per-beam synchronization
Scheduling
statistical channel state information (CSI)
Synchronism
Terahertz
Terahertz frequencies
Terminals
Time synchronization
Time-frequency analysis
Wireless communication
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Abstract We propose beam division multiple access (BDMA) with per-beam synchronization (PBS) in time and frequency for wideband massive multiple-input multiple-output (MIMO) transmission over millimeter-wave (mmW)/Terahertz (THz) bands. We first introduce a physically motivated beam domain channel model for massive MIMO and demonstrate that the envelopes of the beam domain channel elements tend to be independent of time and frequency when both the numbers of antennas at base station and user terminals (UTs) tend to infinity. Motivated by the derived beam domain channel properties, we then propose PBS for mmW/THz massive MIMO. We show that both the effective delay and Doppler frequency spreads of wideband massive MIMO channels with PBS are reduced by a factor of the number of UT antennas compared with the conventional synchronization approaches. Subsequently, we apply PBS to BDMA, investigate beam scheduling to maximize the ergodic achievable rates for both uplink and downlink BDMA, and develop a greedy beam scheduling algorithm. Simulation results verify the effectiveness of BDMA with PBS for mmW/THz wideband massive MIMO systems in typical mobility scenarios.
AbstractList We propose beam division multiple access (BDMA) with per-beam synchronization (PBS) in time and frequency for wideband massive multiple-input multiple-output (MIMO) transmission over millimeter-wave (mmW)/Terahertz (THz) bands. We first introduce a physically motivated beam domain channel model for massive MIMO and demonstrate that the envelopes of the beam domain channel elements tend to be independent of time and frequency when both the numbers of antennas at base station and user terminals (UTs) tend to infinity. Motivated by the derived beam domain channel properties, we then propose PBS for mmW/THz massive MIMO. We show that both the effective delay and Doppler frequency spreads of wideband massive MIMO channels with PBS are reduced by a factor of the number of UT antennas compared with the conventional synchronization approaches. Subsequently, we apply PBS to BDMA, investigate beam scheduling to maximize the ergodic achievable rates for both uplink and downlink BDMA, and develop a greedy beam scheduling algorithm. Simulation results verify the effectiveness of BDMA with PBS for mmW/THz wideband massive MIMO systems in typical mobility scenarios.
Author Xiang-Gen Xia
Ni Ma
Li You
Ye Li, Geoffrey
Xiqi Gao
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  organization: Nat. Mobile Commun. Res. Lab., Southeast Univ., Nanjing, China
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  surname: Xiqi Gao
  fullname: Xiqi Gao
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  organization: Nat. Mobile Commun. Res. Lab., Southeast Univ., Nanjing, China
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  givenname: Geoffrey
  surname: Ye Li
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  organization: Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA, USA
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  surname: Xiang-Gen Xia
  fullname: Xiang-Gen Xia
  email: xxia@ee.udel.edu
  organization: Dept. of Electr. & Comput. Eng., Univ. of Delaware, Newark, DE, USA
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  surname: Ni Ma
  fullname: Ni Ma
  email: ni.ma@huawei.com
  organization: Huawei Technol. Co., Ltd., Shenzhen, China
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Snippet We propose beam division multiple access (BDMA) with per-beam synchronization (PBS) in time and frequency for wideband massive multiple-input multiple-output...
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ieee
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StartPage 1550
SubjectTerms Antennas
beam division multiple access (BDMA)
Broadband
Channel models
Channels
Computer simulation
Delays
Division
Envelopes
Ergodic processes
Greedy algorithms
Infinity
massive MIMO
Millimeter-wave
MIMO
MIMO (control systems)
Multiple access
OFDM
per-beam synchronization
Scheduling
statistical channel state information (CSI)
Synchronism
Terahertz
Terahertz frequencies
Terminals
Time synchronization
Time-frequency analysis
Wireless communication
Title BDMA for Millimeter-Wave/Terahertz Massive MIMO Transmission With Per-Beam Synchronization
URI https://ieeexplore.ieee.org/document/7913686
https://www.proquest.com/docview/1912762555/abstract/
Volume 35
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