Baseband Receiver Design for IEEE 802.11ah

Baseband Receiver Design for IEEE 802.11ah
Baseband Receiver Design for IEEE 802.11ah
Other Titles:
TENCON 2017 - 2017 IEEE Region 10 Conference
Publication Date:
08 November 2017
Y. Wang, S. Sun, P. H. Tan and E. Kurniawan, "Baseband receiver design for IEEE 802.11ah," TENCON 2017 - 2017 IEEE Region 10 Conference, Penang, 2017, pp. 845-850. doi: 10.1109/TENCON.2017.8227976
In this paper, we present the baseband receiver design for IEEE 802.11ah. We study several key receiver algorithms, including coarse frequency offset estimation and coarse timing synchronization, fine frequency offset estimation, fine timing synchronization, channel estimation and MIMO equalization. For channel estimation, we propose to use decoded SIG field to improve its estimation. To further improve receiver performance in low SNR range, we propose phase tracking algorithm after MIMO equalization using pilot subcarrier and tentative data decision. Extensive simulations have been conducted to demonstrate receiver high sensitivity.
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