NDLI: CIR-based adaptive K-Best Sphere Decoder for DVB-T2

Content Provider	IEEE Xplore Digital Library
Author	El-Banna, A.A.A. El-Sabrouty, M.
Copyright Year	2013
Description	Author affiliation: Electron. & Commun. Dept., E-JUST Univ., Egypt (El-Banna, A.A.A.; El-Sabrouty, M.)
Abstract	Multi-antenna processing first appeared in Digital Video Broadcasting in the $2^{nd}$ generation terrestrial system DVBT2 by defining an optional MISO processing based on modified version of Alamouti codes in frequency domain. Decoding methods recommended by the DVB-T2 is the linear methods ZF and MMSE. In this paper we propose to use a modified K-Best Sphere Decoder (SD), to enhance the system performance in a frequency selective time varying channel with some modification to target the reduction of the fixed K-Best SD complexity to be more suitable for hardware implementations over different platforms. The proposed modified K-Best SD that we name Adaptive K-Best SD (AKBSD) exploit the channel impulse response (CIR) to measure the channel selectivity as an indicator of the channel state. BER simulations show how the performance is enhanced when applying the AKBSD method rather than the linear methods defined by the DVB-T2 implementation guide with low extra added complexity.
Starting Page	615
Ending Page	618
File Size	267427
Page Count	4
File Format	PDF
e-ISBN	9783901882548
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-05-13
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	IFIP
Subject Keyword	Alamouti code SFBC Sphere Decoder Bit error rate Diversity reception Vectors Decoding Complexity theory MISO Digital video broadcasting DVB-T2
Content Type	Text
Resource Type	Article

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