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- Title
Instantaneous Mixture Channel Selection for Blind Equalization Using Cumulant Features in MIMO Systems.
- Authors
Satija, Udit; Ramkumar, Barathram
- Abstract
Cognitive radio combined with multiple-input multiple-output (MIMO) communications provides high data rate, efficiency and high reliability. One of the most important challenges in MIMO communication is combating MIMO multipath channel. MIMO blind equalizers and channel estimators combat MIMO multipath channels without the use of training or pilot sequences. First, the multipath channel is converted into instantaneous mixture channel (IMC), using second-order statistics of the data. Then using higher-order statistics, these mixtures are separated. However, proper selection of IMC is a major challenge. In this paper, a novel blind algorithm for choosing the best IMC is proposed. The proposed algorithm is based on the cumulant value of the received signal.
- Subjects
MIMO systems; MULTIPATH channels; MATHEMATICAL models; BLIND channel identification (Telecommunications); PITMAN'S measure of closeness; DIGITAL communications
- Publication
Circuits, Systems & Signal Processing, 2016, Vol 35, Issue 12, p4596
- ISSN
0278-081X
- Publication type
Article
- DOI
10.1007/s00034-016-0272-0