OTFS Channel Estimation and Data Detection Designs With Superimposed Pilots

We propose a superimposed pilot (SP)-based channel estimation and data detection framework for orthogonal time-frequency space (OTFS) systems, which superimposes low-powered pilots on to data symbols in the delay-Doppler domain. We propose two channel estimation and data detection designs for SP-OTF...

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Bibliographic Details
Published in:	IEEE transactions on wireless communications Vol. 21; no. 4; pp. 2258 - 2274
Main Authors:	Mishra, Himanshu B., Singh, Prem, Prasad, Abhishek K., Budhiraja, Rohit
Format:	Journal Article
Language:	English
Published:	New York IEEE 01.04.2022 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:	Algorithms Channel estimation Delays Interference Lower bounds Message passing Message passing algorithm OFDM orthogonal time-frequency space (OTFS) scheme Performance degradation Pilots Signal to noise ratio superimposed pilots Symbols Time-frequency analysis Wireless communication
ISSN:	1536-1276, 1558-2248
Online Access:	Get full text
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