An efficient blind modulation detection for adaptive OFDM systems

Author

Reddy, Sharath B. ; Yücek, Tevfik ; Arslan, Hüseyin

Author_Institution

Dept. of Electr. Eng., Univ. of South Florida, Tampa, FL, USA

Volume

3

fYear

2003

fDate

6-9 Oct. 2003

Firstpage

1895

Abstract

Adaptive modulation is a method to increase the data capacity, throughput and efficiency of time division duplexed wireless communication systems. In adaptive modulation, the transmitter continually monitors the dynamic channel and adjusts the transmission parameters such as modulation order, coding rate etc. accordingly. Blind modulation detection schemes play an important role in adaptive systems to eliminate the need for transmitting modulation information, thereby increasing spectral efficiency. In this paper, an improved statistical blind modulation detection method based on the Kullback-Leibler distance is proposed for OFDM based wireless communication systems. Simulation results show that this blind modulation detection algorithm outperforms similar previously proposed algorithms.

Keywords

OFDM modulation; adaptive modulation; mobile radio; time division multiplexing; OFDM system; adaptive modulation; blind modulation detection; data capacity; time division duplexed wireless communication systems; Adaptive systems; Bit error rate; Delay; Detection algorithms; Modulation coding; OFDM modulation; Quadrature phase shift keying; Throughput; Transmitters; Wireless communication;

fLanguage

English

Publisher

ieee

Conference_Titel

Vehicular Technology Conference, 2003. VTC 2003-Fall. 2003 IEEE 58th

ISSN

1090-3038

Print_ISBN

0-7803-7954-3

Type

conf

DOI

10.1109/VETECF.2003.1285354

Filename

1285354