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Preamble Structure for IEEE 802.11n Wireless LAN System

Tsuguhide AOKI, Yoshimasa EGASHIRA, Daisuke TAKEDA

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Summary :

This paper proposes a preamble structure that raises the throughput of the physical layer of a MIMO-OFDM system that complies with IEEE 802.11n. The proposed preamble is based on two important criteria that have not been considered in conventional preamble structures but have an important bearing on realization of IEEE 802.11n. One is backward compatibility with legacy devices, such as IEEE 802.11a or IEEE 802.11g. The other is accurate AGC for MIMO data payload of the packet. Computer simulations and a laboratory test demonstrate that the proposed preamble is superior to the other preambles with respect to those two important criteria. The results were submitted to the task group N under the IEEE 802.11 working group and contributed to development of the current draft of IEEE 802.11n.

Publication
IEICE TRANSACTIONS on Communications Vol.E92-B No.10 pp.3219-3227
Publication Date
2009/10/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E92.B.3219
Type of Manuscript
PAPER
Category
Terrestrial Radio Communications

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