Method for enabling interoperability between data transmission systems conforming to IEEE 802.11 and HIPERLAN standards
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United States of America Patent
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Apr 18, 2006
Issued Date -
N/A
app pub date -
Jan 1, 2002
filing date -
Jan 16, 2001
priority date (Note) -
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Abstract
Mechanisms, in a transmission channel shared by 802.11 systems and HIPERLAN/2 systems are provided to prevent 802.11 terminals from transmitting during time periods allocated to HIPERLAN, so that a single channel can be shared between the two standards. In a particular embodiment, a 'super frame' format is used where HIPERLAN transmissions are offered the highest level of protection possible within 802.11, which is needed within the 802.11 Contention Free Period (CFP).
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