Optimal Channel Shortening for MIMO and ISI Channels
Author
Summary, in English
We deal with the construction of optimal channel shortening, also known as combined linear Viterbi detection, algorithms for ISI and MIMO channels. In the case of MIMO channel shortening, the tree structure to represent MIMO signals is replaced by a trellis. The optimization is performed from an information theoretical perspective and the achievable information rates of the shortened models are derived and optimized. Closed form expressions for all components of the optimal detector of the class are derived. Furthermore, we show that previously published channel shortening algorithms can be seen as special cases of the derived model.
Department/s
Publishing year
2012
Language
English
Pages
810-818
Publication/Series
IEEE Transactions on Wireless Communications
Volume
11
Issue
2
Document type
Journal article
Publisher
IEEE - Institute of Electrical and Electronics Engineers Inc.
Topic
- Electrical Engineering, Electronic Engineering, Information Engineering
Keywords
- combined linear Viterbi detection
- theory
- trellis optimization
- applied Shannon
- optimization
- trellis detection
- receiver
- BCJR Algorithm
- information
- rate computation
- MIMO
- inter-symbol interference
- reduced complexity detection
- Equalization
Status
Published
ISBN/ISSN/Other
- ISSN: 1536-1276