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Timing estimation method of random access preamble, random access preamble detection method, and random access preamble detection apparatus
Timing estimation method of random access preamble, random access preamble detection method, and random access preamble detection apparatus
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机译:随机接入前导的定时估计方法,随机接入前导检测方法和随机接入前导检测装置
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摘要
A random access preamble detection method of a base station includes removing a cyclic prefix (CP) from a received signal, detecting a plurality of first symbols corresponding to a plurality of first subcarriers included in an uplink available resource from the received signal with the CP removed, measuring reception power of the first symbol corresponding to each of a plurality of second subcarriers allocated to a random access channel among the plurality of first subcarriers, accumulating reception power with respect to each of the plurality of second subcarriers according to a predetermined frequency hopping pattern, and upon completely accumulating reception power according to the frequency hopping pattern, detecting a preamble sequence using each accumulated value of reception power of each of the plurality of second subcarriers.
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