On handovers in uplink/downlink decoupled LTE HetNets

Giluka, M K and Khan, M S A and Krishna, G M and Atif, T A and Sathya, V and Tamma, Bheemarjuna Reddy (2016) On handovers in uplink/downlink decoupled LTE HetNets. In: IEEE Wireless Communications and Networking Conference (WCNC), 3-6 April 2016.

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Abstract

Cellular heterogeneous networks (HetNets) are going to be one of the key enablers for 5G. Downlink/Uplink decoupling (DUDe) is a concept in which a mobile device is connected with Macro cell for downlink communication and with small cell for uplink communication in LTE/LTE-A HetNets. It improves uplink data rate, reduces power consumption of devices, balances load between Macro cell and small cells. Due to incorporation of DUDe, a mobile device has to perform separate uplink and downlink handovers unlike traditional handovers in coupled LTE networks. In this paper, we propose various handover schemes for DUDe LTE networks. Apart from this, we have mathematically analysed the received SINR by small cells taken part in decoupling, with respect to a device moving in decoupling regions of these small cells, in multiple cell interference scenario. Simulation results show the signaling impact of DUDe in handovers, increased uplink SINR, decreased power consumption of devices in both single small cell and multiple small cell scenarios.

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IITH Creators:
IITH CreatorsORCiD
Tamma, Bheemarjuna ReddyUNSPECIFIED
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Handover, Uplink, Downlink, Interference, Signal to noise ratio, Performance evaluation
Subjects: Computer science > Big Data Analytics
Computer science > Wireless Networks
Electrical Engineering > Wireless Communication
Divisions: Department of Computer Science & Engineering
Depositing User: Team Library
Date Deposited: 29 Sep 2016 11:29
Last Modified: 07 Sep 2017 09:33
URI: http://raiith.iith.ac.in/id/eprint/2783
Publisher URL: https://doi.org/10.1109/WCNC.2016.7564689
Related URLs:

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