Title :
LMS adaptation for assaying power profile delay estimation in MIMO-OFDM tactics
Author :
SashiKanth, B. ; Kiranmayee, P. ; Srihari, P.
Author_Institution :
Dept. of E.C.E, DADI Inst. of Eng. & Technol. Anakapalle, Anakapalle, India
Abstract :
To delve the OFDM tactics is the endeavor of this paper which accompanies effectuating an outright functional system and assaying how it is minifies the inter symbol interference elicited by the multipath fading channels and discordant effects and reverencing its performance. The power delay figuring and a channel estimator connoted as mean square error (MSE) of multiple input multiple output orthogonal frequency division multiplexing (MIMO-OFDM) systems are both inferred. For factual pertinence, solitarily the pilot motifs related to entire transmit antenna ports have been availed for reverencing the power delay (PD). The distortion evoked by void subcarriers along with some unsufficing multitude of samples for power delay (PD) estimation is also cogitated. Proffered tactics efficaciously abates the mutilations for veracious PDP estimation plying Least Mean Square (LMS) algorithm. The results furnished evinces that the rendition of LMMSE channels estimation exerting the ID and LMS PDP estimate advents because of the diminution of mutilation chattels.
Keywords :
MIMO communication; OFDM modulation; channel estimation; delay estimation; fading channels; interference suppression; intersymbol interference; least mean squares methods; multipath channels; transmitting antennas; LMMSE channel estimation; LMS adaptation; MIMO-OFDM tactics; PD estimation; intersymbol interference; least mean square error algorithm; multipath fading channel; multiple input multiple output orthogonal frequency division multiplexing system; power profile delay estimation; transmit antenna; Channel estimation; Delays; Estimation; Least squares approximations; Mean square error methods; OFDM; Transmitting antennas; 1D-LS Method; LMS algorithm; Power delay (PD); mean square error (MSE);
Conference_Titel :
Computer Communication and Systems, 2014 International Conference on
Print_ISBN :
978-1-4799-3671-7
DOI :
10.1109/ICCCS.2014.7068191