We found a match
Your institution may have rights to this item. Sign in to continue.
- Title
EM-based poor slot update method for MIMO IDD receiver in fast time-varying channels.
- Authors
Minsung Kim; Jehoon Cho; Taewon Oh
- Abstract
In this study, the authors propose an expectation-maximisation (EM)-based poor slot update method for multiple-input multiple-output (MIMO) iterative detection and decoding (IDD) receivers to increase their channel tracking capability in fast timevarying channels. The poor slots that trigger error propagation in a frame are selected, the channel state information is updated, and the updated recursive least squares channel tracking algorithm is executed. The accurate channel tracking capability of this new channel updating technique contributes to a 3 dB improvement in the bit error rate performance of an IDD receiver in a fast mobile environment (> 180 km/h). The authors also demonstrate that an ~ 20 - 25% complexity reduction can be achieved under various conditions.
- Subjects
MIMO systems; WIRELESS communications; ORTHOGONAL frequency division multiplexing; MULTIPLEXING; MOBILE communication systems
- Publication
IET Communications (Wiley-Blackwell), 2018, Vol 12, Issue 8, p932
- ISSN
1751-8628
- Publication type
Article
- DOI
10.1049/iet-com.2017.0999