自适应OFDM中信号盲检测技术

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Study of blind detection techniques in adaptive OFDM

HAN Gang(1,2);LI Jian-dong(1);LI Chang-le(1)

Received:1900-01-01 Revised:1900-01-01 Online:2006-08-20 Published:2006-08-20

Abstract

Abstract: A blind detection algorithm based on Higher-order cumulants(HOC) is proposed to detect the modulation scheme for the OFDM subcarriers. Its detection feature is robust to the Gaussian noise and is invariant with respect to the attenuation and the phase rotation induced by subchannels. The invariant property is theorectically proved. The high performance and robustness of the blind detection algorithms are proved by simulation.

Key words: adaptive OFDM, signal detection, modulation recognition, HOC

CLC Number:

TN914.3

HAN Gang(1;2);LI Jian-dong(1);LI Chang-le(1).

Study of blind detection techniques in adaptive OFDM

[J].J4, 2006, 33(4): 602-606.

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Study of blind detection techniques in adaptive OFDM

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