Pulse or digital communications – Receivers – Angle modulation
Reexamination Certificate
2006-06-20
2006-06-20
Ha, Dac (Department: 2634)
Pulse or digital communications
Receivers
Angle modulation
C375S329000, C375S343000
Reexamination Certificate
active
07065158
ABSTRACT:
Detection of a symbol from a received signal wherein the symbol is a selected symbol out of a predetermined set of symbols, wherein each symbol of the predetermined set is a complementary coded keying (CCK) symbol having a sequence of chips wherein each of the chips is phase shift keying (PSK)-modulated according to a selected modulation code wherein each of the selected modulation codes has a first sub-modulation code which is a selection from a plurality of first sets of predetermined phase modulating elements and a second sub-modulation code which is a selection from one second set of predetermined phase modulating elements wherein at least one of the predetermined phase modulating elements of the second set is a complex value such as defined in the high speed IEEE 802.11b standard, wherein a modulation code is selected from the modulation codes which correlates according to a correlation method with the received signal.
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“Part II Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications: Higher-Speed Physical Layer Extentin in the 2.4 GHz Band”□□IEEE Std. 802.11b-1999, Jan. 20, 2000, pp. 43-45 XP002166709.
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Awater Geert Arnout
Kopmeiners Robert John
Richard Van Nee Didier Johannes
Agere Systems Inc.
Ha Dac
Wong Linda
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