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Conference Paper
Efficient Implementation of the SAGE Algorithm for Channel Impulse Response Estimation
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- Authors
- Kyung-Won Kim, Myung-Don Kim, Juyul Lee, Jae-Joon Park, Heon-Kook Kwon
- Issue Date
- 2021-10
- Citation
- International Conference on Information and Communication Technology Convergence (ICTC) 2021, pp.1525-1529
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- Channel impulse response estimation and parameterization are important for wireless channel modeling. Because optimal parameter estimation is difficult to derive by closed-form equations, various iterative algorithms have been proposed. Iterative algorithms can provide accurate parameter estimation, but their disadvantage is a large amount of computation. The space-alternating generalized expectation-maximization (SAGE) algorithm is one of the most commonly used iterative algorithms for channel parameterization. In this paper, an efficient implementation method for the SAGE algorithm is proposed, and simulation results are also provided.
- KSP Keywords
- Implementation method, SAGE algorithm, Wireless channel modeling, channel impulse response(CIR), closed-form, efficient implementation, impulse response estimation, iterative algorithms, optimal parameter estimation, simulation results, space-alternating generalized expectation-maximization