Pulse or digital communications – Transmitters – Angle modulation
Reexamination Certificate
2011-02-08
2011-02-08
Liu, Shuwang (Department: 2611)
Pulse or digital communications
Transmitters
Angle modulation
C375S141000, C375S220000, C375S260000, C375S267000, C375S347000
Reexamination Certificate
active
07885354
ABSTRACT:
A system and method are described in which space-time coding techniques are used to transmit and receive multiple data streams within a near vertical incidence skywave (“NVIS”) communication system. Within the NVIS communication system, multiple independent data streams may be transmitted from a transmitting station at a high radiation angle, approaching or reaching 90 degrees. The data streams are reflected off of the ionosphere of the earth and received by one or more receiving stations. In one embodiment, the space-time coding techniques are multiple-input multiple-output (“MIMO”) signal communication techniques.
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Caimi Frank M.
Cheponis Mike
Cotter Tim S.
Perlman Stephen G.
Blakeley Sokoloff Taylor & Zafman LLP
Liu Shuwang
Patel Dhaval
Rearden LLC
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