Space-Time Block Codes Design in OFDM System

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2004, Vol. 27 ›› Issue (1): 45-49.

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Space-Time Block Codes Design in OFDM System

LUO Tao, TENG Yong, TONG Xue-jian, YUE Guang-xin

Telecommunication Engineering School, Beijing University of Posts andTelecommunications, Beijing 100876, China

Received:2002-09-12 Online:2004-01-28

Abstract

Abstract: Using redundant pre-coding, a novel method, pre-coding STBC-OFDM system, combining the space-time block codes and OFDM smoothly in frequency selective fading channel is proposed. In addition, the minimum distance sphere up-bound of this system is also obtained. Results show that the attractiveness of this pre-coding STBC-OFDM system in frequency selective channel is in its ability to exploit all the available diversity resources. In other words, the highest possible diversity order this pre-coding STBC-OFDM system can provide is the product ofthe number of transmitter antennas, the number of receiver antennas and the number of selective fading diversity order.

Key words: channel encode, space-time block codes, diversity technology, OFDM

CLC Number:

LUO Tao, TENG Yong, TONG Xue-jian, YUE Guang-xin. Space-Time Block Codes Design in OFDM System[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2004, 27(1): 45-49.

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Space-Time Block Codes Design in OFDM System

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