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Prof. adly Shahat Mergany tag eldien :: Publications:

Proposed QOS-Guarantee Cross-Layer Algorithm over MIMO-LTE Downlink System
Authors: Mohsen M. Tantawy, Adly S. Tag El-Dien, Rokaia Mounir Zaki
Year: 2014
Keywords: MIMO, LTE, QoS, GBR, Non-GBR
Journal: 31st National Radio Science Conference (NRSc2014) April 28-30, 2014, Faculty of Engineering , Ain Shams University, Egypt
Volume: Not Available
Issue: Not Available
Pages: 175-183
Publisher: Not Available
Local/International: International
Paper Link: Not Available
Full paper adly Shahat Mergany tag eldien_Proposed QoS-Guarantee.pdf
Supplementary materials Not Available

To achieve the target data rate of Long Term Evolution (LTE), many new techniques are necessary. Multiple-Input Multiple-Output (MIMO) is one key technique among them due to its ability to enhance the radio channel capacity of cellular systems without extra spectrum cost. Cross-layer has been thought as one of the most efficient ways for multimedia communications over wireless networks. In this paper a proposed cross-layer approach to solve the problem of switching between MIMO multiplexing and diversity modes. We impose the LTE MIMO constraint of selecting only one MIMO mode per user per transmission time interval (TTI). The results show that, the proposed adaptive method achieves the Quality of Service (QoS) guarantees for the Guaranteed Bit Rate (GBR) traffic.

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