Garcia-Rodriguez, A;
Masouros, C;
Hanzo, L;
(2016)
Power-efficient space shift keying transmission via semidefinite programming.
In:
2016 IEEE International Conference on Communications (ICC).
IEEE
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Abstract
Space shift keying (SSK) transmission is a low-complexity complement to spatial modulation (SM) that solely relies on a spatial-constellation diagram for conveying information. The achievable performance of SSK is determined by the channel conditions, which in turn define the minimum Euclidean distance (MED) of the symbols in the received SSK constellation. In this contribution we concentrate on improving the power efficiency of SSK transmission via symbol pre-scaling. Specifically, we pose a pair of related optimization problems for a) enhancing the MED at reception while satisfying a given power constraint at the transmitter, and b) reducing the transmission power required for achieving a given MED. The resultant optimization problems are NP-hard, hence they are subsequently reformulated and solved via semidefinite programming. The results presented demonstrate that the proposed pre-scaling strategies are capable of enhancing the attainable performance of conventional SSK, while simultaneously extending its applicability and reducing the complexity of the existing pre-scaling schemes.
| Type: | Proceedings paper |
|---|---|
| Title: | Power-efficient space shift keying transmission via semidefinite programming |
| Event: | IEE ICC 2016 - IEEE International Conference on Communications |
| Location: | Kuala Lumpur, Malaysia |
| Dates: | 23 May 2016 - 27 May 2016 |
| ISBN-13: | 9781479966646 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/ICC.2016.7511397 |
| Publisher version: | http://ieeexplore.ieee.org/document/7511397/ |
| Language: | English |
| Additional information: | Copyright © 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. |
| Keywords: | Optimization, Complexity theory, Programming, Transmitting antennas, Signal to noise ratio, Receiving antennas, modulation, mathematical programming, power-efficient space shift keying transmission, semidefinite programming, optimization problems, NP-hard, transmission power, related optimization problems, symbol prescaling, received SSK constellation, minimum Euclidean distance, spatial modulation, pre-scaling, Space shift keying, semidefinite programming |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/1513959 |
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