Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroshi Hayashi0
Kevin L. Baum0
Masaya Fukuta0
Vijay Nangia0
Date of Patent
August 16, 2011
Patent Application Number
10881252
Date Filed
June 30, 2004
Patent Primary Examiner
Patent abstract
Frequency hopping in an IFDMA system takes place by utilizing a time-varying IFDMA modulation code. In particular, a modulator receives a symbol stream and a user specific IFDMA modulation code (bi(t)). The output of the modulator comprises a signal (xi(t)) existing at certain frequencies, or subcarriers. The actual subcarriers that signal xi(t) utilizes is dependent upon the repetition of the symbol blocks and the particular IFDMA modulation code utilized.
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