Local Area Networks (LAN) White Papers
Viterbi Decoding Strategies for 5 GHz Wireless LAN Systems
Overview Standards for the operation of Wireless Local Area Network (WLAN) technology in the 5 GHz band have been developed in Europe, North America and Japan. These systems employ Orthogonal Frequency Division Multiplexing (OFDM) technology, and utilize Forward Error Correction (FEC) coding, based on a 1/2-rate convolutional encoder, to combat frequency selective fading caused by multipath channels. This paper examines methods, based on the popular Viterbi algorithm, for Maximum-Likelihood (ML) decoding of this convolutional code within the WLAN baseband receiver. Although the paper focuses on the European HIPERLAN/2 standard, because of international Physical (PHY) layer harmonization, the work is equally applicable to the North American and Japanese WLAN systems.
| Publisher | Institute of Electrical and Electronics Engineers | File Format | |
|---|---|---|---|
| Date Published | August 2005 | ||
| Format | White Papers | ||
| Topics | |||
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