Channel sensing based dynamic adjustment of contention window in LAA-LTE networks

Baswade, A M and Tamma, Bheemarjuna Reddy (2016) Channel sensing based dynamic adjustment of contention window in LAA-LTE networks. In: 8th International Conference on Communication Systems and Networks (COMSNETS), 5-10, Jan. 2016, Bangalore.

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Abstract

3GPP is introducing Licensed Assisted Access (LAA) in Release 13 [1], for LTE operation in unlicensed bands, to provide high data rate and to reduce the load on licensed spectrum. One of the mandatory functionalities of LAA is Listen Before Talk (LBT) to co-exist fairly with other technologies in unlicensed bands like Wi-Fi. Contention Window (CW) adjustment is one of the important issues in LAA LBT. Hence in this paper, we propose a dynamic CW adjustment algorithm for LAA based on channel sensing and then evaluated the performance of Wi-Fi in Wi-Fi - Wi-Fi and LAA - Wi-Fi scenarios. Our simulation results show that LAA with proposed CW adjustment algorithm can fairly co-exist with Wi-Fi.

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IITH Creators:
IITH CreatorsORCiD
Tamma, Bheemarjuna ReddyUNSPECIFIED
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Long Term Evolution, wireless LAN
Subjects: Computer science > Big Data Analytics
Divisions: Department of Computer Science & Engineering
Depositing User: Library Staff
Date Deposited: 27 May 2016 06:52
Last Modified: 07 Sep 2017 09:25
URI: http://raiithold.iith.ac.in/id/eprint/2418
Publisher URL: https://doi.org/10.1109/COMSNETS.2016.7440028
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