Method for frequency division duplex communications

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United States of America Patent

PATENT NO 8693432
SERIAL NO

13663831

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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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Patent Owner(s)

  • AT&T MOBILITY II LLC;AT&T WIRELESS SERVICES, INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alamouti, Siavash Kirkland, US 44 2073
Casas, Eduardo F Vancouver, CA 9 750
Hirano, Michael Redmond, US 11 817
Hoole, Elliott Redmond, US 71 2311
Jesse, Mary Issaquah, US 24 1869
Michelson, David G North Vancouver, CA 10 752
Poon, Patrick Redmond, US 17 893
Veintimilla, Gregory J Redmond, US 17 1012
Zhang, Hongliang Redmond, US 69 1503

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