Results 131 to 140 of about 294 (197)

Serially concatenated space time convolutional codes and continuous phase modulation

IEEE Transactions on Communications, 2008
This paper addresses space time convolutional code design using continuous phase modulation (CPM). The possibility of constructing full diversity space time codes is investigated. A linear modulation approximation to CPM is done. Using the Gram-Schmidt orthogonalization transform the CPM signal is generated as a vector with finite energy in a different
M. Gabrowska, Martin Bossert, Sergo Shavgulidze, Steffen Schober   +3 more
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Analysis of iterative decoding for serial concatenated convolutional codes

Vehicular Technology Conference Fall 2000. IEEE VTS Fall VTC2000. 52nd Vehicular Technology Conference (Cat. No.00CH37152), 2002
Turbo codes include two kinds of encoding schemes, one is parallel concatenated convolutional codes (PCCC), and another is serial concatenated convolutional codes (SCCC). The SCCC can get better performance than PCCC. The analysis of acquirement of some information for SCCC decoding computation, which is different from PCCC, are presented. Finally, the
Weidong Wang, Chunlong Bai, Ping Zhang
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Performance of serially concatenated convolutional turbo codes for magnetic recording

IEEE Transactions on Magnetics, 2000
Performance of serially concatenated convolutional turbo codes has been evaluated for the Lorentzian channel using simulation, and experimentally for a real hard disk drive. The experimental results are consistent with simulations, which show a substantial gain over uncoded systems.
Yunxiang Wu, Arvind U. Raghunathan, R.D. Cronch, N.M. Bruner, J.R. Cruz   +4 more
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Serial concatenated convolutional code encoder in quantum-dot cellular automata

Nano Communication Networks, 2019
Abstract Quantum-dot cellular automata (QCA) are a prospective nanotechnology with striking performance for complementing complementary metal oxide semiconductor (CMOS) based integrated circuit technique. For applications in communications, serial concatenated convolutional codes (SCCCs) have been investigated due to their negligible error floor for ...
Yongqiang Zhang, Guangjun Xie, Jie Han
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On cycle-based permutor designs for serially concatenated convolutional codes

IEEE International Symposium on Information Theory, 2003. Proceedings., 2003
A. Huebner, Dmitri Truhachev, Kamil Sh. Zigangirov   +2 more
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Cooperative coding using serial concatenated convolutional codes

IEEE Wireless Communications and Networking Conference, 2005, 2005
The paper presents a novel cooperative coding scheme using punctured serial concatenated convolutional codes (SCCC). We evaluate its performance in terms of frame error rate (FER) under two cooperation protocols: a decode-and-forward protocol in conjunction with automatic repeat request (ARQ), by which the relay sends an acknowledge bit (ACK) back to ...
null Yang Cao, B. Vojcic
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Rate-compatible punctured serial concatenated convolutional codes

GLOBECOM '03. IEEE Global Telecommunications Conference (IEEE Cat. No.03CH37489), 2004
We propose and compare some good rate-compatible serial concatenated convolutional code (SCCC) families. To obtain rate-compatible SCCCs, the puncturing is limited to inner coded bits. However, and this is the novelty proposed, we do not limit the puncturing to inner parity bits only, but we extend it also to inner systematic bits, thus obtaining ...
BABICH, FULVIO, G. MONTORSI, VATTA, Francesca   +2 more
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Serial concatenation of convolutional code and low rate orthogonal convolutional code

Proceedings of IEEE International Symposium on Information Theory, 2002
A novel low rate orthogonal code which is the serial concatenation of convolutional code and orthogonal convolutional code is proposed for high capacity CDMA systems. The BER performance is good and shows no "error floor" phenomenon.
null Jifeng Li, H. Imai
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Performance of Serial Concatenated Convolutional Codes on faded channels

International Conference on Information Society (i-Society 2011), 2011
An analysis of performance of Serially Concatenated Convolutional Codes (SCCC) is evaluated on Additive White Gaussian Noise model channel, which is used as a basis, and actions of SCCC on Raleigh flat slow and flat fast faded channels are evaluated in this research work. In DCS the SCCC are utilized to reduce the bit error rates. SCCC encoder consists
null Sajjad Ahmed Ghauri, Muhammad Sajid Javaid, Hanan Adeel, Hasan Humayun   +3 more
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Serially concatenated continuous phase modulation with ring convolutional codes

International Symposium onInformation Theory, 2004. ISIT 2004. Proceedings., 2004
Serially concatenated continuous phase modulation (SCCPM) systems with ring convolutional codes (CC) are investigated. Both EXIT chart and union bound techniques are used to compare with the simulation results and are used as analysis tools. The latter is for the first time generalized to a nonbinary interleaver for a serially concatenated system ...
null Ming Xiao, T.M. Aulin
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