Results 51 to 60 of about 868,591 (197)

Molecular breeding of tomato: Advances and challenges

Journal of Integrative Plant Biology, Volume 67, Issue 3, Page 669-721, March 2025.
This review explores the evolution of tomato (Solanum lycopersicum) from its Andean origins to a globally cultivated crop, highlighting advancements in molecular breeding. It covers genome sequencing, functional gene identification, and CRISPR/Cas9 applications, addressing challenges in flavor, yield, and other important agrinomic traits, while ...
Minmin Du, Chuanlong Sun, Lei Deng, Ming Zhou, Junming Li, Yongchen Du, Zhibiao Ye, Sanwen Huang, Tianlai Li, Jingquan Yu, Chang‐Bao Li, Chuanyou Li   +11 more
wiley   +1 more source

A path splitting and pruning strategy on list decoder for PAC codes

IET Communications, Volume 18, Issue 18, Page 1292-1299, November 2024.
The paper introduces a novel low‐complexity list decoding algorithm for polarization‐adjusted convolutional codes. By incorporating path splitting and pruning strategies based on highly reliable information bits, our algorithm significantly reduces decoding complexity while maintaining optimal performance.
Lei Lan, Zhongpeng Wang, Lijuan Zhang
wiley   +1 more source

A high‐precision timing and frequency synchronization algorithm for multi‐h CPM signals

IET Communications, Volume 18, Issue 17, Page 1049-1061, October 2024.
This paper presents an innovative approach for achieving timing and frequency synchronization for multi‐h continuous phase modulation (CPM) signals. To rectify timing offset and mitigate the adverse effects of noise in received signals, a re‐configurable local filter generation method is integrated into the timing synchronization algorithm ...
Yukai Liu, Rongke Liu, Qizhi Chen, Ling Zhao   +3 more
wiley   +1 more source

Advanced channel coding schemes for B5G/6G networks: State‐of‐the‐art analysis, research challenges and future directions

International Journal of Communication Systems, Volume 37, Issue 13, 10 September 2024.
This paper undertakes a review and analysis of advanced channel coding techniques with the aim of their scalability towards B5G/6G networks scenario. A comparative study is presented for channel coding candidates of futuristic networks. Concatenated and derived codes of convolutional, polar, LDPC, Rateless, and Space‐time coding schemes are reviewed ...
Abhilasha Gautam, Prabhat Thakur, Ghanshyam Singh   +2 more
wiley   +1 more source

Mapping Rearrangement for Parallel Concatenated Trellis Coded Modulation

EURASIP Journal on Wireless Communications and Networking, 2008
Mapping rearrangement (MaRe) for the hybrid ARQ (HARQ) based on the parallel concatenated trellis coded modulation (PCTCM) is analyzed. We demonstrate that the performance of the PCTCM receiver is intrinsically limited by the MaRe design and we propose a
Benjillali Mustapha, Szczecinski Leszek
doaj  

Coding techniques for diversity enhancement of dense wavelength division multiplexing MIMO‐FSO fault protection protocols systems over atmospheric turbulence channels

IET Optoelectronics, Volume 18, Issue 1-2, Page 11-31, February-April 2024.
An enhanced transmission is presented in a multiple‐input‐multiple‐output (MIMO) dense‐wavelength division multiplexed (DWDM) free‐space‐optical (FSO) communication link using diversity coding techniques under the effect of turbulent weather phenomenon.
Ebrahim E. Elsayed, Mohammed R. Hayal, Irfan Nurhidayat, Mohd Asif Shah, Abdelrahman Elfikky, Ayman I. Boghdady, Davron Aslonqulovich Juraev, M. A. Morsy   +7 more
wiley   +1 more source

Near-Capacity Irregular Bit-Interleaved Coded Modulation [PDF]

, 2008
An Irregular Bit-Interleaved Coded Modulation based Iterative Decoding (Ir-BICM-ID) aided scheme is proposed. The irregularity of the scheme pervades the three basic components of BICM-ID, namely the encoder, the unity-rate precoder and the bit-to-symbol
Tee, R. Y., J. Wang, R. Y. S. Tee, R. G. Maunder, L. Hanzo, Wang, J., Hanzo, L., Maunder, R. G.   +7 more
core   +1 more source

Turbo-Coded Adaptive Modulation Versus Space-Time Trellis Codes for Transmission over Dispersive Channels

, 2004
Decision feedback equalizer (DFE)-aided turbocoded wideband adaptive quadrature amplitude modulation (AQAM) is proposed, which is capable of combating the temporal channel quality variation of fading channels. A procedure is suggested for determining the
Liew, T.H., Wong, C.H., Hanzo, L.
core   +1 more source

SPACE TIME CODING FOR TRELLIS CODED MODULATION IN ADDITIVE WHITE GAUSSIAN CHANNELS

Electrica, 2003
In this study, Trellis Coded Modulation (TCM) technique is combined with Space Time Codes (STC) and error performance is investigated in Additive White Gaussian (AWGN) channels. For this purpose a different receiver structure is proposed and mathematical
Ömer ERKAN, Onur OSMAN, Osman Nuri UÇAN   +2 more
doaj   +2 more sources

Nonbinary LDPC-Coded Modulation for High-Speed Optical Fiber Communication Without Bandwidth Expansion

IEEE Photonics Journal, 2012
We propose a scheme that can attain the same transmission bit rate as the corresponding conventional polarization-division-multiplexed (PDM) quadrature amplitude modulation (QAM) scheme while occupying lower bandwidth and, hence, achieving a higher ...
Murat Arabaci, Ivan B. Djordjevic, Lei Xu, Ting Wang   +3 more
doaj   +1 more source