Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels
Reexamination Certificate
2011-03-22
2011-03-22
Rao, Seema S. (Department: 2462)
Multiplex communications
Communication techniques for information carried in plural...
Combining or distributing information via time channels
C370S346000, C370S449000, C370S479000
Reexamination Certificate
active
07912093
ABSTRACT:
A method and apparatus of providing a piggybacked positive acknowledgement
egative acknowledgement (ACK/NACK) (PAN) field indicator (PANI) and a polling indicator are disclosed. A combined field of a PANI bit, a relative reserved block period (RRBP) bit and an EGPRS supplementary polling (ES/P) field may indicate a polling scheme and a presence of a PAN field. Alternatively, the presence of the PAN field in the data block may be indicated by using a specific training sequence. Alternatively, a forward error correction (FEC) coding may be performed on the data block including the header, and the presence of the PAN field may be indicated by scrambling the encoded bits corresponding the header with a specific scrambling sequence. Alternatively, a header check sequence (HCS) may be generated and the presence of the PAN field is indicated by mixing a predetermined sequence with the HCS.
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Behrouz Aghili
Chitrapu Prabhakar R.
Dick Stephen G.
Rudolf Marian
Choudhry Samina
InterDigital Technology Corporation
Rao Seema S.
Volpe and Koenig P.C.
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