NDLI: New design criteria of space-time codes for frequency-selective multipath wireless channels

Content Provider	IEEE Xplore Digital Library
Author	Ching-Shyang Maa Yeong-Cheng Wang Jiunn-Tsair Chen
Copyright Year	2003
Description	Author affiliation: Inst. of Commun. Eng., Nat. Tsing Hua Univ., Hsinchu, Taiwan (Ching-Shyang Maa; Yeong-Cheng Wang; Jiunn-Tsair Chen)
Abstract	In a single-input-single-output (SISO) system, signals are modulated to have a band-pass structure in the frequency domain in order to pass through a channel with a bandpass frequency response. Similarly, in a multiple-input-multiple-output (MIMO) system with multipath wireless channels, signals radiated from the multiple transmit antennas can be processed to form beams in order to have the spatial structure to pass through the wireless channel along the multipaths. Analogous to the frequency response, a natural angle response is formed by the multipath angles. In this paper, by jointly exploring the angle and the frequency structures of the space-time codes and of the space-time channels, novel space-time codes design criteria at moderate signals-to-noise ratios are proposed. New space-time trellis codes are identified through computer searches to justify the new criteria. Simulation results show that these codes have superior performance over the existing codes in the corresponding frequency-selective channels.
Starting Page	1114
Ending Page	1118
File Size	366935
Page Count	5
File Format	PDF
ISBN	0780377575
ISSN	10903038
DOI	10.1109/VETECS.2003.1207800
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-04-22
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Space time codes MIMO Mobile communication Frequency response Multipath channels Signal design Frequency diversity Channel capacity Delay Frequency domain analysis
Content Type	Text
Resource Type	Article

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