An intercell interference cancellation method for OFDM-based cellular systems using a virtual smart antenna

Author

Park, Kyung Won ; Kyu In Lee ; Jae Young Ahn ; Yong Soo Cho

Author_Institution

KETI, Sungnam-Si

Volume

2

fYear

2005

fDate

11-14 Sept. 2005

Firstpage

1175

Abstract

In this paper, a concept of virtual smart antenna (SA) is introduced for OFDM-based cellular systems with a frequency reuse factor equal to 1. An estimation method of intercell symbol timing offsets (STOs) from received OFDM signals impinging on virtual antenna is proposed for users at a cell boundary. Also, adaptive beamforming methods for virtual SA are proposed to reduce intercell interference (ICI) from adjacent base stations (BSs)

Keywords

OFDM modulation; adaptive antenna arrays; array signal processing; cellular radio; interference suppression; intersymbol interference; ICI; OFDM-based cellular system; STO; adaptive beamforming method; adjacent base station; estimation method; frequency reuse factor; intercell interference; intercell symbol timing offset; interference cancellation method; orthogonal frequency division multiplexing; virtual smart antenna; AWGN; Adaptive arrays; Additive white noise; Array signal processing; Base stations; Baseband; Interference cancellation; OFDM; Receiving antennas; Timing;

fLanguage

English

Publisher

ieee

Conference_Titel

Personal, Indoor and Mobile Radio Communications, 2005. PIMRC 2005. IEEE 16th International Symposium on

Conference_Location

Berlin

Print_ISBN

9.7838007291e+012

Type

conf

DOI

10.1109/PIMRC.2005.1651626

Filename

1651626