Huang, Y. and Wang, J.Z. and Higuchi, K. and Sawahashi, M. (2007) Iterative signal processing for coded LSTF architectures. IEEE Transactions on Wireless Communications, 6 (10). pp. 3712-3716. ISSN 1536-1276 .
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Abstract
For high speed orthogonal frequency division multiplexing (OFDM) plus multiple-input multiple-output (MIMO) multiplexing, a new coded layered space-time-frequency (LSTF) architecture with iterative signal processing at the receiver is proposed, where each independent codeword is threaded in the three-dimensional (3-D) space-time-frequency transmission resource array. The iterative receiver structure is adopted consisting of a joint minimum-mean-square-error soft-interference-cancellation (MMSE-SIC) detector and the maximum a postetiori (MAP) convolutional decoders. Simulation results show that the proposed LSTF architecture can achieve almost the same performance as the LSTF (i.e., LSTF-a) where coding is applied across the whole information stream. However, due to its structure of multiple parallel lower speed encoders/decoders with shorter codeword length, the proposed LSTF architecture can be more easily implemented than the LSTF-a.
| Item Type: | Article |
|---|---|
| Uncontrolled keywords: | OFDM; MIMO multiplexing; iterative processing; MMSE-SIC detector; SISO MAP decoder |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101 Telecommunications T Technology > TA Engineering (General). Civil engineering (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800 Electronics (see also: telecommunications) |
| Divisions: | Faculties > Science Technology and Medical Studies > School of Engineering and Digital Arts > Broadband & Wireless Communications |
| Depositing User: | Maureen Cook |
| Date Deposited: | 19 Mar 2008 10:25 |
| Last Modified: | 14 Jan 2010 14:06 |
| Resource URI: | http://kar.kent.ac.uk/id/eprint/2338 (The current URI for this page, for reference purposes) |
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