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High throughput in Uplink SC-FDMA Systems with Multicell Processing

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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Year of Publication: 2016
Authors:
Sapna Kumari, Bramha S.Tripathi, Shilpi Sharma
10.5120/ijca2016911321

Sapna Kumari, Bramha S.Tripathi and Shilpi Sharma. High throughput in Uplink SC-FDMA Systems with Multicell Processing. International Journal of Computer Applications 148(12):20-24, August 2016. BibTeX

@article{10.5120/ijca2016911321,
	author = {Sapna Kumari and Bramha S.Tripathi and Shilpi Sharma},
	title = {High throughput in Uplink SC-FDMA Systems with Multicell Processing},
	journal = {International Journal of Computer Applications},
	issue_date = {August 2016},
	volume = {148},
	number = {12},
	month = {Aug},
	year = {2016},
	issn = {0975-8887},
	pages = {20-24},
	numpages = {5},
	url = {http://www.ijcaonline.org/archives/volume148/number12/25809-2016911321},
	doi = {10.5120/ijca2016911321},
	publisher = {Foundation of Computer Science (FCS), NY, USA},
	address = {New York, USA}
}

Abstract

In current cellular networks base stations (BSs) usually perform independent scheduling without coordinating the resource allocation among different cells. This, however, often leads to high interference levels in cellular networks operating with universal frequency reuse, such as the 3GPP UTRAN Long Term Evolution (LTE). Coordinated scheduling between different BSs may mitigate this problem by taking interference from and to nearby BSs into account in order to avoid high interference situations. For uplink in multiuser major issue to maintain throughput of the system. To solve this problem, a channel estimation method for SC-OFDM under the framework of compressive sensing (CS) is proposed in this paper. Firstly, by exploiting the signal.(SP) algorithm to utilize a very small amount of frequency domain pilots embedded in the SC-OFDM block for the exact channel estimation. Moreover, the obtained auxiliary channel information is adopted to reduce the complexity of the classical SP algorithm..

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Keywords

High Throughput, Multiuser,LTE,SC-FDMA,3GPP,Cellular System.