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16 results on '"polar code"'

1. Temporal and Spatial Patterns of Ship Accidents in Arctic Waters from 2006 to 2019

Author

Luo, Qiaoyun, Liu, Wei, Barbosa-Povoa, Ana Paula, Editorial Board Member, de Almeida, Adiel Teixeira, Editorial Board Member, Gans, Noah, Editorial Board Member, Gupta, Jatinder N. D., Editorial Board Member, Heim, Gregory R., Editorial Board Member, Hua, Guowei, Editorial Board Member, Kimms, Alf, Editorial Board Member, Li, Xiang, Editorial Board Member, Masri, Hatem, Editorial Board Member, Nickel, Stefan, Editorial Board Member, Qiu, Robin, Editorial Board Member, Shankar, Ravi, Editorial Board Member, Slowiński, Roman, Editorial Board Member, Tang, Christopher S., Editorial Board Member, Wu, Yuzhe, Editorial Board Member, Zhu, Joe, Editorial Board Member, Zopounidis, Constantin, Editorial Board Member, Shi, Xianliang, editor, Bohács, Gábor, editor, Ma, Yixuan, editor, Gong, Daqing, editor, and Shang, Xiaopu, editor

Published
2022
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3. Investigation on Error-Correcting Channel Codes for 5G New Radio

Author

Lal, Sonu, Gupta, Roopam, Arya, Rakesh Kumar, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, Sharma, Harish, editor, Saraswat, Mukesh, editor, Yadav, Anupam, editor, Kim, Joong Hoon, editor, and Bansal, Jagdish Chand, editor

Published
2021
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4. Application of Polar Code-Based Scheme in Cloud Secure Storage

Author

Li, Zhe, Han, Yiliang, Li, Yu, Filipe, Joaquim, Editorial Board Member, Ghosh, Ashish, Editorial Board Member, Kotenko, Igor, Editorial Board Member, Prates, Raquel Oliveira, Editorial Board Member, Zhou, Lizhu, Editorial Board Member, Zeng, Jianchao, editor, Jing, Weipeng, editor, Song, Xianhua, editor, and Lu, Zeguang, editor

Published
2020
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5. Performance Evaluation of Polar Code for Ultrareliable Low Latency Applications of 5G New Radio

Author

Sharma, Arti, Salim, Mohammad, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Liang, Qilian, Series Editor, Martin, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zhang, Junjie James, Series Editor, Janyani, Vijay, editor, Singh, Ghanshyam, editor, Tiwari, Manish, editor, and d’Alessandro, Antonio, editor

Published
2020
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6. Concatenated Polar Code Design Aspects for 5G New Radio

Author

Sharma, Arti, Salim, Mohammad, Upadhyay, Vivek, Bansal, Jagdish Chand, Series Editor, Deep, Kusum, Series Editor, Nagar, Atulya K., Series Editor, Sharma, Harish, editor, Pundir, Aditya Kumar Singh, editor, Yadav, Neha, editor, Sharma, Ajay, editor, and Das, Swagatam, editor

Published
2020
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7. Polar Channel Coding for the Ultraviolet Communication System Combating Path-Loss Propagation and NLOS Effects

Author

Hu, Wenxiu, Zhang, Min, Han, Dahai, Chen, Qingbo, Wu, Menglong, Ai, Lin, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Ruediger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Liang, Qilian, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zhang, Junjie James, Series Editor, Mu, Jiasong, editor, Jia, Min, editor, Wang, Wei, editor, Feng, Xuhong, editor, and Zhang, Baoju, editor

Published
2019
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8. Efficient Design of Polar Coded STTD Systems over Rician MIMO Channels

Author

Feng, Bowen, Jiao, Jian, Gu, Shushi, Wu, Shaohua, Zhang, Qinyu, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Ruediger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Liang, Qilian, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zhang, Junjie James, Series Editor, Mu, Jiasong, editor, Jia, Min, editor, Wang, Wei, editor, Feng, Xuhong, editor, and Zhang, Baoju, editor

Published
2019
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13. Performance Analysis of CRC-Aided Polar Codes with SCL Decoding Algorithm for the Binary Deletion Channel

Author

Jaydeb Bhaumik and Tirthadip Sinha

Subjects
Deletion channel, Block Error Rate, Computer science, Polar code, Cyclic redundancy check, Binary number, Data_CODINGANDINFORMATIONTHEORY, Algorithm, Block size, Decoding methods, Computer Science::Information Theory, Coding (social sciences)
Abstract

The performance of the polar coding scheme based on CRC-aided Successive Cancelation List (CA-SCL) decoding algorithm for practical transmission channel applications with deletion properties has been evaluated in this paper. The original information is pre-coded with Cyclic Redundancy Check (CRC) bits which helps to sense the position of deletions with high accuracy. SCL decoding considers these symbols as erasures and retrieves all information bits as well as deleted positions that agree with the CRC. A modification on polar code constructional algorithm is done to apply it in the binary deletion channels (BDC) as conventional polar codes cannot be used directly for channels with memory. The scheme is also applicable to concatenated binary discrete memoryless channels (BDMC) with the d-deletions. Results indicate that the original information can be recovered intact using the proposed scheme and the overall error probability decreases as block size N increases or polar code rate decreases for the variable list sizes. Also, the effect of CRC codelength and generator polynomials on the Block Error Rate (BLER) performance of proposed polar codes in BDC is investigated in this work.

Published
2019
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14. On Relative Performances and Decoding of CRC Concatenated Polar Codes with Different Lists for Solid-State Drives

Author

Sudip Nayek, Tirthadip Sinha, and Jaydeb Bhaumik

Subjects
Hardware_MEMORYSTRUCTURES, Computer engineering, business.industry, Polar code, Computer science, Cyclic redundancy check, Computer data storage, NAND gate, List decoding, business, Error detection and correction, Decoding methods, Flash memory
Abstract

The storage capacity and cost-per-bit of solid-state drives (SSDs) have improved gradually in recent years, which have driven to the extensive acceptance in data storage of modern computing systems. SSDs convey greater read and write performance, enhancement in random-access input/output (I/O) operations, and resistance to physical shock, while form factor and static power requirement are not as much of magnetic hard disk drives (HDDs). Though HDDs are progressively replaced by SSDs as a primary data storage, error correction is still severe to SSDs as NAND flash memories have worsening reliability which can diminish the life span of the flash storage devices. Presently, popular error control codes show inadequate error correction ability or poor error floor, and the growing storage density of NAND flash memory cells exhibits more data errors. All of these stimulate probing for finest channel coding to recover NAND flash reliability. Polar codes are favorable for SSDs as they are theoretically verified optimal codes with good error floor behavior. With the low computational complexity and the high error correction competency, cyclic redundancy check (CRC) concatenated polar code with list decoding can beat existing error correction codes in data communication applications. Hence, it also steered to implement in flash storage devices. In this paper, CRC concatenated polar codes with different list sizes for SSDs are designed and error correction performances are evaluated in C/C++ environment. Evaluated outcomes illustrate the decoding performance achieving preferred error floor behavior for error correction in flash storage devices. While the outcomes display that concatenated polar codes with list decoding are favorable for SSDs, some open problems are remained there for further investigations.

Published
2019
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15. Doppler Effect Analysis for Polar Code Based 5G Networks

Author

N. Madhusudhanan and R. Venkateswari

Subjects
business.industry, Polar code, Computer science, MIMO, Keying, Propagation delay, symbols.namesake, symbols, Bandwidth (computing), Electronic engineering, Wireless, business, Doppler effect, 5G
Abstract

In today’s world, 5G wireless mobile networks are more popular to provide wide spectrum utilization and bandwidth with minimal power constraints. To achieve the above, relaying technique becomes a possible way to improve coverage performance with greater speed. The Doppler Effect Analysis plays a keying parameter to improve the data rate of mobile users. This effect is investigated using an opportunistic incremental hybrid relaying (OIHR) protocol in the polar-coded environment. The simulation result shows that a propagation delay of 90 ns and a received power spectrum of −100 dBm is achieved for 8 × 8 MIMO configurations.

Published
2019
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16. Polar Code Construction for BP Decoder

Author

Qingshuang Zhang, Xiaohu Liang, Zhiyong Chen, Xuan Yi, and Aijun Liu

Subjects
Polar code, Computer science, 05 social sciences, 050801 communication & media studies, 020206 networking & telecommunications, Data_CODINGANDINFORMATIONTHEORY, 02 engineering and technology, Belief propagation, 0508 media and communications, 0202 electrical engineering, electronic engineering, information engineering, Algorithm, Decoding methods, Computer Science::Information Theory, Communication channel
Abstract

Belief propagation (BP) is a high-throughput decoding algorithm for polar codes, but the performance under BP decoder is not satisfactory due to the mismatch between the virtual channels seen by the BP decoder and bit-channel in the conventional construction method. In this letter, we record the required number of iteration of unfrozen bits to reach a specific log-likelihood ratio (LLR), which can identify weak bit-channels. Moreover, we modify the conventional polar code construction by swapping these bit-channels with strong frozen bit-channels. Simulation results show that the proposed method achieves better performance than that of the conventional construction.

Published
2019
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