The DOI matches its Crossref record; 12 of the 12 references it cites were found in a registry or an index.
Per-Antenna Constant Envelope Precoding for Large Multi-User MIMO Systems
Open accessAbstract
We consider the multi-user MIMO broadcast channel with M single-antenna users and N transmit antennas under the constraint that each antenna emits signals having constant envelope (CE). The motivation for this is that CE signals facilitate the use of power-efficient RF power amplifiers. Analytical and numerical results show that, under certain mild conditions on the channel gains, for a fixed M, an array gain is achievable even under the stringent per-antenna CE constraint. Essentially, for a fixed M, at sufficiently large N the total transmitted power can be reduced with increasing N while maintaining a fixed information rate to each user. Simulations for the i.i.d. Rayleigh fading channel show that the total transmit power can be reduced linearly with increasing N (i.e., an O(N) array gain). We also propose a precoding scheme which finds near-optimal CE signals to be transmitted, and has O(MN) complexity. Also, in terms of the total transmit power required to achieve a fixed desired information sum-rate, despite the stringent per-antenna CE constraint, the proposed CE precoding scheme performs close to the sum-capacity achieving scheme for an average-only total transmit power constrained channel.
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Cites
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Scaling Up MIMO: Opportunities and Challenges with Very Large Arrays
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Self-citationScaling up MIMO: Opportunities and challenges with very large arrays
Rusek, F., Persson, D., Lau, B. K., Larsson, E. G., Marzetta, T. L., Edfors, O., Tufvesson, F., Print, P., Rusek, F., Persson, D., et al. (2013) · Cited by 4,089
Self-citationEnergy and spectral efficiency of very large multiuser MIMO systems
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Self-citationDuality, achievable rates, and sum-rate capacity of gaussian mimo broadcast channels
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Liu, F., Cui, Y., Masouros, C., Xu, J., Han, T. X., Eldar, Y. C., & Buzzi, S. (2022) · IEEE Journal on Selected Areas in Communications · doi:10.1109/jsac.2022.3156632 · Cited by 3,857
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Gupta, A., & Jha, R. K. (2015) · IEEE Access · doi:10.1109/access.2015.2461602 · Cited by 2,420
Quantized Precoding for Massive MU-MIMO
Jacobsson, S., Durisi, G., Coldrey, M., Goldstein, T., & Studer, C. (2017) · IEEE Transactions on Communications · doi:10.1109/tcomm.2017.2723000 · Cited by 367
Metadata
- Authors
- Mohammed, S. K., & Larsson, E. G.
- Venue
- IEEE Transactions on Communications
- Published
- 2013-03
- Volume
- 61
- Issue
- 3
- Pages
- 1059-1071
- ISSN
- 0090-6778 (ISSN-L)
- OpenAlex
- W1974708997
- Cited by
- 349
- References
- 12
- FWCI
- 20.37
- Type
- journal article
- Language
- en
- Open access
- green
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