Low-complexity Time Synchronization System for IEEE802.11a Wireless LANs 


Vol. 28,  No. 11, pp. 965-971, Nov.  2003


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  Abstract

This paper suggests a low-complexity frame timing synchronization system for IEEE802.11a wireless LAN systems. The proposed timing synchronization scheme has been implemented by correlating the received OFDM preamble with quantized coefficients composed of {0, ±20, ±21,..., ±2i}, where i is an integer number.The 2i-valued coefficients enable the multipliers in the correlation system to be simplified to i-bit shifters. So we can design the correlation system using shifters instead of multipliers. We estimate the performance of the proposed scheme in comparison with conventional systems under the AWGN and Rayleigh fading channels. In this paper we show that the complexity can be reduced by 90% while still maintaining a performance comparable to that of the conventional system.

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  Cite this article

[IEEE Style]

T. Ha, S. Lee, J. Kim, "Low-complexity Time Synchronization System for IEEE802.11a Wireless LANs," The Journal of Korean Institute of Communications and Information Sciences, vol. 28, no. 11, pp. 965-971, 2003. DOI: .

[ACM Style]

Tae-Hyeun Ha, Seong-Joo Lee, and Jae-Seok Kim. 2003. Low-complexity Time Synchronization System for IEEE802.11a Wireless LANs. The Journal of Korean Institute of Communications and Information Sciences, 28, 11, (2003), 965-971. DOI: .

[KICS Style]

Tae-Hyeun Ha, Seong-Joo Lee, Jae-Seok Kim, "Low-complexity Time Synchronization System for IEEE802.11a Wireless LANs," The Journal of Korean Institute of Communications and Information Sciences, vol. 28, no. 11, pp. 965-971, 11. 2003.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880