Beacon signaling in a wireless system
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United States of America Patent
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Jan 10, 2006
Grant Date -
May 20, 2004
app pub date -
Aug 13, 2003
filing date -
Aug 26, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A few high power tones used for synchronization and/or other purposes are transmitted in a FDM system during a period of time, e.g., a symbol transmission time period. During normal data transmission symbol periods signals are transmitted using at least 10 tones, e.g., per symbol time. Less than 5 high power signals are transmitted in a symbol time with at least 80% the maximum total transmitter power transmitted being allocated to the high power signals where the maximum total transmitter power is determined from a period of time which may includes one or more data and/or high power tone transmission periods. When the high power tones are transmitted at most 20% of transmitter power is available for transmitting other tones with the power normally being distributed among multiple tones. Normally some tones which would be transmitted in a symbol time go unused during transmission of the high power signals.
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