Method for managing multiple frequency assignment using...

Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...

Reexamination Certificate

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C370S332000

Reexamination Certificate

active

08031667

ABSTRACT:
There is a provided a method for managing a multiple frequency assignment using a terminals RX performance in an orthogonal frequency division multiple access (OFDMA) wireless regional area network (WRAN) system, including: a) measuring a bit energy
oise power spectral density (Eb/No) and a received signal strength indicator (RSSI) which are received in the terminal; b) informing the measured Eb/No and RSSI of a base station; c) calculating a round trip delay (RTD) in the base station; d) determining a terminal performance level based on the measured Eb/No, RSSI and the calculated RTD; and e) determining a frequency channel and modulation scheme based on the determined performance level.

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Severine Catreux et al; “Adaptive Modulation and MIMO Coding for Broadband Wireless Data Networks” IEEE Communications Magazine, Jun. 2002, pp. 108-115.
International Search Report; mailed Nov. 13, 2007; PCT/KR2007/003817.

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