A Low-Complexity Channel Estimation Method for IEEE802.11a and HIPERLAN/2 WLANs

Author

Shi Feng ; Hu Dengpeng ; Zhang Eryang

Author_Institution

Sch. of Electron. Sci. & Eng., Nat. Univ. of Defense Technol., Changsha, China

fYear

2010

fDate

26-28 Feb. 2010

Firstpage

276

Lastpage

279

Abstract

In this paper, we propose a new channel estimation method for IEEE802.11a and HIPERLAN/2 wireless LANs. Based on the frequency coherence of the channel for wireless LANs, the absent frequency channel responds at virtual subcarriers and DC subcarrier are reconstructed by linear interpolation firstly, then channel estimation with time domain truncation is fulfilled. Simulation results show that the proposed method achieves a slightly better performance than the conventional iterative method and LS method while keeping less complexity.

Keywords

channel estimation; interpolation; wireless LAN; DC subcarrier; HIPERLAN/2 WLAN; IEEE802.11a WLAN; absent frequency channel; iterative method; least squares method; linear interpolation; low-complexity channel estimation method; time domain truncation; virtual subcarriers; wireless local area networks; Channel estimation; Electronic mail; Frequency estimation; Interpolation; Iterative methods; Noise measurement; Noise reduction; OFDM; Reconstruction algorithms; Wireless LAN; Channel estimation; linear interpolation reconstruction (LIR); low-complexity; wireless LAN;

fLanguage

English

Publisher

ieee

Conference_Titel

Communication Software and Networks, 2010. ICCSN '10. Second International Conference on

Conference_Location

Singapore

Print_ISBN

978-1-4244-5726-7

Electronic_ISBN

978-1-4244-5727-4

Type

conf

DOI

10.1109/ICCSN.2010.101

Filename

5437673