Grouping adaptive modulation method for burst mode OFDM transmission system

Author

Teng, Yuanrun ; Nagaosa, Tomotaka ; Mori, Kazuo ; Kobayashi, Hideo

Author_Institution

Fac. of Eng., Mie Univ., Tsu, Japan

Volume

2

fYear

2002

fDate

28-31 Oct. 2002

Firstpage

929

Abstract

This paper proposes an orthogonal frequency division multiplexing system with grouping adaptive modulation method (GAM-OFDM). The salient feature of the proposed method is to enable the reduction of required transmission bits for adaptive modulation information to be used in the demodulation process at the receiver. This paper also proposes the estimation method for the received CNR (carrier to noise power ratio) at another terminal by using the preamble symbols transmitted from that terminal. This paper presents the computer simulation results to verify the channel capacity and signal quality of the proposed GAM-OFDM system.

Keywords

OFDM modulation; adaptive modulation; channel capacity; demodulation; fading channels; multipath channels; wireless LAN; CNR estimation; GAM-OFDM system; OFDM system; WLAN; burst mode transmission system; carrier to noise power ratio; channel capacity; computer simulation results; demodulation process; grouping adaptive modulation method; multipath fading channel; orthogonal frequency division multiplexing; preamble symbols; signal quality; wireless LAN; Adaptive control; Bandwidth; Bit error rate; Channel capacity; Fading; OFDM modulation; Programmable control; Signal to noise ratio; Transmitters; Wireless LAN;

fLanguage

English

Publisher

ieee

Conference_Titel

TENCON '02. Proceedings. 2002 IEEE Region 10 Conference on Computers, Communications, Control and Power Engineering

Print_ISBN

0-7803-7490-8

Type

conf

DOI

10.1109/TENCON.2002.1180273

Filename

1180273