Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2011-07-19
2011-07-19
Milord, Marceau (Department: 2618)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S203000, C370S281000, C370S206000, C370S329000, C370S336000, C370S337000, C370S343000, C375S267000, C375S299000, C375S347000
Reexamination Certificate
active
07983217
ABSTRACT:
The high quality PCS communications are enabled in environments where adjacent PCS service bands operate with out-of-band harmonics that would otherwise interfere with the system's operation. The highly bandwidth-efficient communications method combines a form of time division duplex (TDD), frequency division duplex (FDD), time division multiple access (TDMA), orthogonal frequency division multiplexing (OFDM), spatial diversity, and polarization diversity in various unique combinations. The method provides excellent fade resistance. The method enables changing a user's available bandwidth on demand by assigning additional TDMA slots during the user's session.
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Alamouti Siavash
Casas Eduardo F.
Hirano Michael
Hoole Elliott
Jesse Mary
AT&T Mobility II LLC
Milord Marceau
Zagorin O'Brien Graham LLP
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