OFDM/OFDMA FRAME STRUCTURE FOR COMMUNICATION SYSTEMS
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United States of America Patent
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Issued Date -
May 9, 2013
app pub date -
Dec 28, 2012
filing date -
Oct 17, 2007
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Abandoned
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Abstract
An OFDM/OFDMA frame structure technology for communication systems is disclosed. The OFDM/OFDMA frame structure technology comprises a variable length sub-frame structure with efficiently sized cyclic prefixes and efficient transition gap durations operable to effectively utilize OFDM/OFDMA bandwidth. Furthermore, the frame structure provides compatibility with multiple wireless communication systems. An uplink frame structure and a downlink frame structure are provided.
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