Multiplex communications – Generalized orthogonal or special mathematical techniques
Reexamination Certificate
2006-03-30
2010-10-12
Phan, Tri H (Department: 2471)
Multiplex communications
Generalized orthogonal or special mathematical techniques
C370S208000, C370S312000, C370S432000, C375S260000
Reexamination Certificate
active
07813261
ABSTRACT:
In some embodiments of the present invention there is provided a frame structure for transmitting an integer number of OFDM symbols in which some of the OFDM symbols are to be transmitted in a unicast format and some of the OFDM symbols are to be transmitted in a broadcast format. The frame structure includes partitioning of a frame into at least two portions to accommodate both unicast and broadcast modes in the frame. The frame structure is used for transmitting multiple frames in a serial manner from at least one transmitter. The unicast mode supports transmission of OFDM symbols from a single transmitter to a single receiver. The broadcast mode supports transmission of OFDM symbols from multiple transmitters to all receivers within range of the multiple transmitters. The multicast mode supports transmission of OFDM symbols from multiple transmitters to multiple receivers within range of the multiple transmitters.
REFERENCES:
patent: 2005/0135291 (2005-06-01), Ketchum et al.
patent: 2006/0009200 (2006-01-01), Jung et al.
patent: 2006/0176966 (2006-08-01), Stewart et al.
patent: 2006/0285483 (2006-12-01), Khan
patent: 2007/0058595 (2007-03-01), Classon et al.
patent: 2007/0064669 (2007-03-01), Classon et al.
patent: 2007/0104151 (2007-05-01), Papasakellariou et al.
patent: 2007/0189289 (2007-08-01), Frederiksen et al.
patent: 2008/0175264 (2008-07-01), Qu et al.
patent: 2009/0316614 (2009-12-01), Kim et al.
patent: 2537534 (2005-03-01), None
Jia Ming
Ma Jianglei
Tong Wen
Zhang Hang
Zhu Peiying
Nortel Networks Limited
Phan Tri H
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