NDLI: Generalized Differential Transmission for STBC Systems

Content Provider	IEEE Xplore Digital Library
Author	Li Liangbin Fang Zhaoxi Zhu Yu Wang Zongxin
Copyright Year	2008
Description	Author affiliation: CSE, Fudan Univ., Shanghai (Fang Zhaoxi; Zhu Yu; Wang Zongxin) \|\| EECS, UCI, Irvine, CA (Li Liangbin)
Abstract	Recent research has shown that differential transmission (DT) can be applied to STBC systems so that the receiver does not need channel state information (CSI) when compared to coherent detector. In this paper, we propose a generalized DT (GDT) scheme, which has a frame structure consisting of two parts, reference-block part and normal-block part. In contrast to the conventional DT (CDT) scheme, where each transmitted block is differentially encoded based on previous transmitted block, each GDT block in both of the two parts is differentially encoded based on previous reference block. It is shown that allocating more transmit power to the reference-block part leads to a more reliable reference for the differential detector. We discuss about the optimal power allocation between the reference-block part and the normal-block part. Simulation results show that the proposed GDT scheme achieves significant performance improvement over CDT and such performance can be very close to that of the coherent detection.
Starting Page	1
Ending Page	5
File Size	206426
Page Count	5
File Format	PDF
ISBN	9781424423248
ISSN	1930529X
DOI	10.1109/GLOCOM.2008.ECP.836
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-11-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Detectors Receiving antennas Gas discharge devices Transmitting antennas Performance loss Computational complexity Channel state information Propagation losses Additive noise Channel estimation
Content Type	Text
Resource Type	Article

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