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SVD-based IWFA for next generation wireless MIMO communication
Author(s) -
Vinodh Kumar Minchula,
G. Sasibhushana Rao
Publication year - 2018
Publication title -
ict express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.733
H-Index - 22
ISSN - 2405-9595
DOI - 10.1016/j.icte.2018.01.011
Subject(s) - channel state information , mimo , transmitter , singular value decomposition , ergodic theory , precoding , rayleigh fading , fading , channel (broadcasting) , computer science , channel capacity , power (physics) , transmitter power output , mathematical optimization , mathematics , algorithm , wireless , topology (electrical circuits) , telecommunications , physics , mathematical analysis , quantum mechanics , combinatorics
Point-to-point MIMO systems without channel state information at the transmitter (No CSIT) and with perfect channel state information at the transmitter (Perfect CSIT) were considered for the application of a novel singular-value-decomposition-based (SVD-based) iterative water-filling algorithm (IWFA). The optimal transmit power was computed for Rayleigh fading-based eigenchannels using an estimated iterative water-filling power allocation algorithm to maximize ergodic capacity. The results obtained with the proposed method showed significant improvements in ergodic capacity compared with the average power allocation method.

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