Channel Estimation for OFDM over Fast Rayleigh Fading Channels

被引：0

作者：

Kim, Jin-Goog ^{[1
]}

Kim, Tae-Joon ^{[1
]}

Lee, Jae-Seang ^{[1
]}

Lim, Jong-Tae ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Elect Engn & Comp Sci, Taejon 305701, South Korea

来源：

PROCEEDINGS OF WORLD ACADEMY OF SCIENCE, ENGINEERING AND TECHNOLOGY, VOL 19 | 2007年 / 19卷

关键词：

Channel estimation; ICI; OFDM;

D O I：

暂无

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

This paper presents a channel estimation scheme for orthogonal frequency division multiplexing (OFDM) in fast varying Rayleigh channels. To estimate the current fading channel, we use not only the known pilot symbols but also the previously estimated channel coefficients. With the previously obtained channel coefficients, we estimate the data symbols and compensate ICI terms. In simulation results, the effectiveness of the proposed method is shown as compared with the polynomial..

引用

页码：455 / 458

页数：4

共 14 条

[1] Frequency-selective fading channel estimation with a polynomial time-varying channel model [J].

Borah, DK ;

Hart, BD .

IEEE TRANSACTIONS ON COMMUNICATIONS, 1999, 47 (06) :862-873

[2] Channel estimation techniques based on pilot arrangement in OFDM systems [J].

Coleri, S ;

Ergen, M ;

Puri, A ;

Bahai, A .

IEEE TRANSACTIONS ON BROADCASTING, 2002, 48 (03) :223-229

[3]

DU J, 2003, P IEEE VTC, V2, P1084

[4] Decision-directed estimation of MIMO time-varying Rayleigh fading channels [J].

Gao, J ;

Liu, HP .

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, 2005, 4 (04) :1412-1417

[5]

Jakes W.C., 1975, MICROWAVE MOBILE COM

[6]

Jeon WG, 1999, IEEE T COMMUN, V47, P27, DOI 10.1109/26.747810

[7] Effects of time selective multipath fading on OFDM systems for broadband mobile applications [J].

Li, JS ;

Kavehrad, M .

IEEE COMMUNICATIONS LETTERS, 1999, 3 (12) :332-334

[8] Pilot-symbol-aided channel estimation for OFDM in wireless systems [J].

Li, Y .

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 2000, 49 (04) :1207-1215

[9] Simplified channel estimation for OFDM systems with multiple transmit antennas [J].

Li, Y .

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, 2002, 1 (01) :67-75

[10]

Park KW, 2005, IEEE COMMUN LETT, V9, P604, DOI [10.1109/LCOMM.2005.07008, 10.1109/LCOMM.2005.1461678]

← 1 2 →