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https://hdl.handle.net/10316/107017
Title: | Low-Complexity Equalisers for Offset Constellations in Massive MIMO Schemes | Authors: | Bento, Pedro Pereira, Andreia Dinis, Rui Gomes, Marco Silva, Vitor |
Keywords: | Offset modulations; massive MIMO; mmWave communications; frequency-domain receivers | Issue Date: | 2019 | Publisher: | IEEE | Serial title, monograph or event: | IEEE Access | Volume: | 7 | Abstract: | Massive multi-input multi-output (m-MIMO) schemes require low-complexity implementations at both the transmitter and the receiver side, especially for systems operation at millimeter wave (mmWave) bands. In this paper, we consider the use of offset constellations in m-MIMO systems operating at mmWave frequencies. These signals are designed to have either an almost constant envelope or be decomposed as the sum of constant-envelope signals, making them compatible with strongly nonlinear power ampli ers, which can have low-implementation complexity and high ampli cation ef cient, making them particularly interesting for mmWave communications. We design and evaluate low-complexity frequency-domain receivers for offset signals. It is shown that the proposed receivers can have excellent performance/complexity trade-offs in m-MIMO scenarios, making them particularly interesting for future wireless systems operating at mmWave bands. | URI: | https://hdl.handle.net/10316/107017 | ISSN: | 2169-3536 | DOI: | 10.1109/ACCESS.2019.2927090 | Rights: | openAccess |
Appears in Collections: | FCTUC Eng.Electrotécnica - Artigos em Revistas Internacionais I&D IT - Artigos em Revistas Internacionais |
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File | Description | Size | Format | |
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Low-Complexity Equalisers for Offset Constellations in Massive MIMO Schemes.pdf | 7.81 MB | Adobe PDF | View/Open |
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