Pulse or digital communications – Synchronizers – Self-synchronizing signal
Reexamination Certificate
2008-04-08
2008-04-08
Ghayour, Mohammed (Department: 2611)
Pulse or digital communications
Synchronizers
Self-synchronizing signal
C375S260000, C375S230000, C375S229000
Reexamination Certificate
active
07356108
ABSTRACT:
A channel estimator is configured for determining a gain adjustment for a received wireless signal having a prescribed plurality of tones. The channel estimator is configured for generating, for each of the tones, a corresponding pseudo power value representing a detected power level for the corresponding tone. An accumulated pseudo power value is obtained based on accumulating the respective pseudo power values of the prescribed plurality of tones. Each of the pseudo power values is selectively adjusted by an adjustment factor based on a determined difference between the accumulated pseudo power value relative to an expected accumulated power level relative to a prescribed dynamic range. The pseudo power values are then output for decoding of data modulated at the respective tones.
REFERENCES:
patent: 7085315 (2006-08-01), Kelton
patent: 2003/0223353 (2003-12-01), Wallace
patent: 2005/0026565 (2005-02-01), Goldstein et al.
IEEE Std. 802.11a-1999, “Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications: High-speed Physical Layer in the 5 GHZ Band”, L.AN/MAN Standards Committee of the IEEE Computer Society, IEEE-SA Standards Board, Approved Sep. 16, 1999, New York, USA.
Hou Ping
Kutagulla Harish
Advanced Micro Devices , Inc.
Ghayour Mohammed
Manelli Denison & Selter PLLC
Torres Juan Alberto
Turkevich Leon R.
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