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Special issue on Massive MIMO
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- Marzetta, Thomas L. (author)
- Bell Labs, Alcatel‐Lucent, NJ, USA
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- Caire, Giuseppe (author)
- Politecn Torino, Turin, Italy
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- Debbah, Merouane (author)
- Institute Eurecom, Sophia Antipolis, Italy
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- (creator_code:org_t)
- IEEE, 2013
- 2013
- English.
- In: Journal of Communications and Networks. - : IEEE. - 1229-2370 .- 1976-5541. ; 15:4, s. 333-337
- Journal article (other academic/artistic)
Abstract
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- Demand for wireless communications is projected to grow by more than a factor of forty or more over the next five years. A potential technology for meeting this demand is Massive MIMO (also called Large-Scale Antenna Systems, Large-Scale MIMO, ARGOS, Full-Dimension MIMO, or Hyper-MIMO), a form of multiuser multipleantenna wireless which promises orders-of-magnitude improvements in spectral-efficiency over 4G technology, and accompanying improvements in radiated energy-efficiency. The distinguishing feature of Massive MIMO is that a large number of service-antennas ?? possibly hundreds or even thousands ?? work for a significantly smaller number of active autonomous terminals. Upsetting the traditional parity between service antennas and terminals in this manner is a game-changer: The simplest multiplexing precoding and decoding algorithms can be nearly optimal, expensive ultra-linear forty-Watt power amplifiers are replaced by many low-power units, and the favorable action of the law of large numbers can greatly facilitate power-control and resource-allocation.
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