Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/27941
Title: One analog STBC-DCSK transmission scheme not requiring channel state information
Authors: Chen, P
Wang, L
Lau, FCM 
Keywords: Differential chaos shift keying (DCSK)
space-time block code (STBC)
STBC-DCSK
ultra-wideband (UWB)
Issue Date: 2013
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on circuits and systems. I, Regular papers, 2013, v. 60, no. 4, 6482240, p. 1027-1037 How to cite?
Journal: IEEE transactions on circuits and systems. I, Regular papers 
Abstract: Both the inherently wideband differential-chaos-shift-keying (DCSK) modulation and the space-time block code (STBC) are techniques that can mitigate the effect of multipath fading. By applying STBC at the chaotic segment level, a novel analog STBC-DCSK scheme is proposed in this paper. The proposed scheme is a simple configuration that combines the advantages of STBC and chaotic modulation. Due to the very low correlation between different analog chaotic signals, the proposed scheme can remarkably suppress the inter-transmit-antenna interference so as to recover the desired information and to achieve the full diversity gain. The theoretical bit-error-rate (BER) performance and the highly consistent simulation results demonstrate that the STBC-DCSK scheme outperforms the conventional single-input-single-output (SISO)-DCSK scheme by about 5 dB at a BER of 10-4. The performance superiority of the proposed scheme is further demonstrated in a typical UWB channel by simulations. More importantly, the proposed scheme maintains the same low transceiver cost as the SISO-DCSK scheme. Consequently, this proposed scheme is a low-cost alternative for wireless local area network (WLAN) applications.
URI: http://hdl.handle.net/10397/27941
ISSN: 1549-8328
EISSN: 1558-0806
DOI: 10.1109/TCSI.2012.2209304
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