NDLI: The analysis of coded Overlapped Time Division Multiplexing system

Content Provider	IEEE Xplore Digital Library
Author	Xia Zhang Peijian Zhang Wei Jiang Daoben Li
Copyright Year	2010
Description	Author affiliation: VIA Telecom, Inc, Beijing 100084, China (Wei Jiang) \|\| Beijing University of Posts and Telecommunications, China (Xia Zhang; Daoben Li) \|\| International College, Qingdao University, China (Peijian Zhang)
Abstract	This paper mainly focuses on evaluating performance of two coding schemes of Overlapped Time Division Multiplexing (OVTDM) system. One is using Turbo Product Code (TPC) as Forward Error Correcting (FEC) code, the other uses conventional Turbo code provided by Long Term Evolution (LTE) as a standard of comparison. Through analyzing uncoded OVTDM signal structure and its Bit Error Rate (BER) in low-to-moderate Signal to Noise Ratio (SNR), utilizing an FEC with fast iterative convergence behavior is a good choice. TPC satisfies the property of fast iterative convergence and is easy to be realized in hardware implementation, while turbo code is a relatively mature channel coding scheme in LTE. Simulation results show that TPC plus OVTDM (TPC-OVTDM) scheme outperforms LTE Turbo plus OVTDM (LTE-Turbo-OVTDM), TPC plus Quadrature Amplitude Modulation (TPC-QAM) and LTE Turbo plus QAM (LTE-Turbo-QAM) under the condition of short interleaver depth and same spectral efficiency. Moreover, with the increase of spectral efficiency, the TPC-OVTDM scheme can achieve greater coding gain. Furthermore, through comparing the performance of TPC-QAM with LTE-Turbo-QAM, the error correcting capability of TPC is better than that of LTE Turbo code. In addition, the TPC-OVTDM scheme makes system's cardinality of signal constellation increase polynomially with spectral efficiency, rather than that of QAM signal which grows exponentially.
Starting Page	488
Ending Page	494
File Size	1195232
Page Count	7
File Format	PDF
ISBN	9781424467693
e-ISBN	9781424467723
DOI	10.1109/ICBNMT.2010.5705138
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-10-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	TPC OVTDM LTE-Turbo
Content Type	Text
Resource Type	Article

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