System and method for transmitting/receiving data in a...

Details System and method for transmitting/receiving data in a... System and method for transmitting/receiving data in a...

2006-04-18

2010-11-16

Kincaid, Lester (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S203000, C370S208000, C370S328000, C370S329000

Reexamination Certificate

active

07835323

ABSTRACT:
A multicarrier communication system is provided that divides a full frequency band into a plurality of sub-carrier frequency bands, generates a plurality of segments having a frequency-time domain occupied by a predetermined number of sub-frequency bands and a predetermined number of time intervals, and classifies a plurality of segment types according to each of the segments, for data transmission. A mobile subscriber (MS) measures a channel state, extracts channel state information corresponding to the channel state, estimates a segment type using the extracted channel state information, and if there is a need for a change in the segment type, the MS transmits a segment type change request message to a base station (BS). Upon receiving a segment type change grant message from the BS, the MS receives data in a segment type corresponding to the received message.

REFERENCES:
patent: 2002-141884 (2002-05-01), None
patent: 2003-348047 (2003-12-01), None
JP 2003-348047 English Translation.

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