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Pilot Assisted Channel Estimation in MIMO-STBC Systems over Time-Varying Fading Channels- A Review

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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Year of Publication: 2016
Authors:
Manisha Patel, Rovin Tiwari
10.5120/ijca2016911787

Manisha Patel and Rovin Tiwari. Pilot Assisted Channel Estimation in MIMO-STBC Systems over Time-Varying Fading Channels- A Review. International Journal of Computer Applications 151(5):23-27, October 2016. BibTeX

@article{10.5120/ijca2016911787,
	author = {Manisha Patel and Rovin Tiwari},
	title = {Pilot Assisted Channel Estimation in MIMO-STBC Systems over Time-Varying Fading Channels- A Review},
	journal = {International Journal of Computer Applications},
	issue_date = {October 2016},
	volume = {151},
	number = {5},
	month = {Oct},
	year = {2016},
	issn = {0975-8887},
	pages = {23-27},
	numpages = {5},
	url = {http://www.ijcaonline.org/archives/volume151/number5/26231-2016911787},
	doi = {10.5120/ijca2016911787},
	publisher = {Foundation of Computer Science (FCS), NY, USA},
	address = {New York, USA}
}

Abstract

In this paper, challenge about the condition of channel state info (CSI) in multiple-input multiple-output (MIMO) systems supported space time block codes (STBC) over slow time-varying Rayleigh attenuation channels are addressed. We develop a novel MIMO control assessment algorithmic rule that adopts a pilot symbol assisted modulation (PSAM) which has been proved to be effective for attenuation channels. In this approach, pilot symbols are periodically inserted into the information stream that's sent through the orthogonal STBC encoder. At the receiver, we propose a simple MIMO channel estimation methodology before getting used by STBC decoder. Simulation results indicate that the proposed pilot-assisted MIMO conception provides accurate channel estimates. The impact of Doppler frequency on performance scheme is also investigated by simulation.

References

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Keywords

Multiple-input–multiple-output (MIMO), pilot assisted systems, rate distortion. Channel Estimation.