| 摘要 |
A wireless broadband Internet (WiBro) terminal and a method of determining a sleep mode of a WiBro terminal, which can measure a strength of a preamble signal and determine an effective sleep interval are provided. A WiBro terminal, which can measure a strength of a preamble signal in the listening mode during an L frame after operating in a sleep mode during an N1 frame, and operate in a sleep mode during either an N1 or 2*N1 frames, or perform a normal operation when MOB_TRF_IND is positive, resulting from the comparing the strength with a threshold value, is provided.
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