Abstract
The benefits of transmit antenna selection (TAS) invoked for spatial modulation (SM) aided multiple-input multiple-output (MIMO) systems are investigated. Specifically, we commence with a brief review of the existing TAS algorithms and focus on the recently proposed Euclidean distance-based TAS (ED-TAS) schemes due to their high diversity gain. Then, a pair of novel ED-TAS algorithms, termed as the improved QR decomposition (QRD)-based TAS (QRD-TAS) and the error-vector magnitude-based TAS (EVM-TAS) are proposed, which exhibit an attractive system performance at low complexity. Moreover, the proposed ED-TAS algorithms are amalgamated with the low-complexity yet efficient power allocation (PA) technique, termed as TAS-PA, for the sake of further improving the system's performance. Our simulation results show that the proposed TAS-PA algorithms achieve signal-To-noise ratio (SNR) gains of up to 9 dB over the conventional TAS algorithms and up to 6 dB over the TAS-PA algorithm designed for spatial multiplexing systems.
| Original language | English |
|---|---|
| Article number | 7442829 |
| Pages (from-to) | 2035-2048 |
| Number of pages | 14 |
| Journal | IEEE Transactions on Communications |
| Volume | 64 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - May 2016 |
| Externally published | Yes |
Bibliographical note
Publisher Copyright:© 1972-2012 IEEE.
ASJC Scopus Subject Areas
- Electrical and Electronic Engineering
Keywords
- Antenna selection
- link adaptation
- MIMO
- power allocation
- spatial modulation