Techniques for quick access channel information loading in...

Details Techniques for quick access channel information loading in... Techniques for quick access channel information loading in...

2009-02-13

2011-11-22

Abelson, Ronald (Department: 2476)

Multiplex communications

Channel assignment techniques

Adaptive selection of channel assignment technique

C370S252000, C370S468000, C370S477000, C455S509000, C455S515000

Reexamination Certificate

active

08064476

ABSTRACT:
An embodiment of the present invention provides a method of quick access channel information loading in wireless networks, comprising mapping at least one quick access channel to one distributed resource unit of control tiles, said control tiles being spread across consecutive sub-carriers and consecutive OFDMA symbols, wherein each control tile and a predetermined number of sub carriers are used to send a bandwidth indicator and a predetermined number of sub carriers are used to send a bandwidth request message, and wherein there exist unique orthogonal sequences for the bandwidth indicator and each of the sequences are capable of being selected as a preamble sequence.

REFERENCES:
patent: 2007/0105508 (2007-05-01), Tong et al.
patent: 2007/0291719 (2007-12-01), Demirhan et al.
patent: 2008/0159334 (2008-07-01), Venkatachalam et al.
patent: 2008/0233966 (2008-09-01), Scheim et al.
patent: 2010/051516 (2010-05-01), None
International Search Report/Written Opinion for Patent Application No. PCT/US2009/062902, mailed on May 13, 2010, 10 pages.
Zhu et al., “Quick Access Channel (QACH) Design for IEEE 802.16m BW-REQ”, IEEE C802.16m-08/1055r1, Sep. 12, 2008.
Li et al., “BW-REQ channel design recommendations for IEEE 802.16m”, IEEE C802.16m-08/635, Jul. 13, 2008.

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