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Method for using flexible bandwidth in OFDMA-based cognitive radio system, base station and subscriber station using the same
Method for using flexible bandwidth in OFDMA-based cognitive radio system, base station and subscriber station using the same
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机译:在基于ofdma的认知无线电系统中使用灵活带宽的方法,基站以及使用该方法的基站
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摘要
Provided are a method for using a flexible bandwidth in an orthogonal frequency division multiple access (OFDMA)-based cognitive radio system, and a base station (BS) and a subscriber station using the method. The method includes: allocating a channel band from among unused channel bands having a bandwidth that is a natural number times a bandwidth resolution to customer premises equipment (CPE), wherein the bandwidth resolution is a predetermined bandwidth smaller than a bandwidth of a broadcast channel band, and transmitting an OFDMA-based signal comprising band allocation information indicating information regarding the allocated channel band.
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