Journals

International Journals

1. Nam Yul Yu and Wei Yu, "Joint activity and data detection for massive grant-free access using deterministic non-orthogonal signatures," IEEE Transactions on Wireless Communications, Early Access, 2024.

2. Jooeun Kwon and Nam Yul Yu, "Finding subsampling index sets for Kronecker product of unitary matrices for incoherent tight frames," Applied Sciences, 12(21):11055, 2022. 

3. Nam Yul Yu, "Kronecker-based non-orthogonal sequences of small phases for uplink grant-free access using the genetic algorithm," IEEE Communications Letters, vol. 26, no. 10, pp. 2510-2514, Oct. 2022.

4. Younghun Seo and Nam Yul Yu, "Additive orthant loss for deep face recognition," Applied Sciences, 12(17): 8606, 2022.  

5. Nam Yul Yu, "Performance analysis of signature-based grant-free random access under impersonation attacks," IEEE Access, vol. 10, pp. 72925-72935, 2022.

6. Nam Yul Yu, “Design framework of Fourier-based non-orthogonal sequences for sparse activity detection in multi-cell massive connectivity," IEEE Access, vol. 10, pp. 67019-67030, 2022.

7. Jaephil Choi and Nam Yul Yu, "Secure image encryption based on compressed sensing and scrambling for internet-of-multimedia things," IEEE Access, vol. 10, pp. 10706-10718, 2022.

8. Hwajin Yang and Nam Yul Yu, "A fast algorithm for joint sparse signal recovery in 1-bit compressed sensing," AEU-International Journal of Electronics and Communications, vol. 138, Aug. 2021, 153856. 

9. Nam Yul Yu, “Binary Golay spreading sequences and Reed-Muller codes for uplink grant-free NOMA,” IEEE Transactions on Communications, vol. 69, no. 1, pp. 276-290, Jan. 2021.

10. Kyubihn Lee and Nam Yul Yu, "Exploiting prior information for greedy compressed sensing based detection in machine-type communications," Digital Signal Processing, vol. 107, Dec. 2020, 102862. 

11. Nam Yul Yu, “Non-orthogonal Golay-based spreading sequences for uplink grant-free access,” IEEE Communications Letters, vol. 24, no. 10, pp. 2104-2108, Oct. 2020.

12. Wonwoo Cho and Nam Yul Yu, "Secure and efficient compressed sensing based encryption with sparse matrices," IEEE Transactions on Information Forensics and Security,  vol. 15, pp. 1999-2011, 2020. (doi: 10.1109/TIFS.2019.2953383) 

13. Nam Yul Yu, "Multiuser activity and data detection via sparsity-blind greedy recovery for uplink grant-free NOMA," IEEE Communications Letters, vol. 23, no. 11, pp. 2082-2085, Nov. 2019.

14. Nam Yul Yu, "A fast and noise-robust algorithm for joint sparse recovery through information transfer," IEEE Access, vol. 7, no. 1, pp. 37735-37748, 2019.

15. Ryangsoo Kim, Yonggang Kim, Nam Yul Yu, Seung-Jun Kim, Hyuk Lim, "Online learning-based downlink transmission coordination in ultra-dense millimeter wave heterogeneous networks," IEEE Transactions on Wireless Communications, vol. 18, no. 4, pp. 2200-2214, Apr. 2019.

16. Nam Yul Yu, "Indistinguishability and energy sensitivity of Gaussian and Bernoulli compressed encryption," IEEE Transactions on Information Forensics and Security, vol. 13, no. 7, pp. 1722-1735, July 2018.

17. Wonwoo Cho and Nam Yul Yu, "Secure communications with asymptotically Gaussian compressed encryption,"  IEEE Signal Processing Letters, vol. 25, no. 1, pp. 80-84, Jan. 2018.

18. Nam Yul Yu, "On the security of compressed encryption with partial unitary sensing matrices embedding a secret keystream," EURASIP Journal on Advances in Signal Processing, 2017:73, doi 10.1186/s13634-017-0508-6, Oct. 2017.

19. Sangjun Park, Nam Yul Yu, and Heung-No Lee, "An information-theoretic study for joint sparsity pattern recovery with different sensing matrices," IEEE Transactions on Information Theory, vol. 63, no. 9, pp. 5559-5571, Sep. 2017.

20. Nam Yul Yu, "Correction to "indistinguishability of compressed encryption with circulant matrices for wireless security","  IEEE Signal Processing Letters, vol. 24, no. 7, p. 1098, July 2017.

21. Jinho Choi and Nam Yul Yu, "Compressive channel division multiple access for MTC under frequency-selective fading," IEEE Transactions on Communications, vol. 65, no. 6, pp. 2715-2725, June 2017.

22. Nam Yul Yu, "Indistinguishability of compressed encryption with circulant matrices for wireless security,"  IEEE Signal Processing Letters, vol. 24, no. 2, pp. 181-185, Feb. 2017.

23. Nam Yul Yu, Keqin Feng and Aixian Zhang, “A new class of near-optimal partial Fourier codebooks from an almost difference set,” Designs, Codes and Cryptography, vol. 71, no. 3, Springer-Verlag, pp. 493–501, June 2014. [Online publication: Sep. 2012] 

24. Nam Yul Yu, “A Fourier transform approach for improving the Levenshtein’s lower bound on aperiodic correlation of binary sequences,” Advances in Mathematics of Communications, vol. 8, no. 2, pp. 209 – 222, 2014. 

25. Nam Yul Yu and Lu Gan, “Convolutional compressed sensing using decimated Sidelnikov sequences,” IEEE Signal Processing Letters, vol. 21, no. 5, pp. 591 – 594, May 2014. 

26. Nam Yul Yu and Na Zhao, “Deterministic construction of real-valued ternary sensing matrices using optical orthogonal codes,” IEEE Signal Processing Letters, vol. 20, no. 11, pp. 1106–1109, Nov. 2013. 

27. Nam Yul Yu and Ying Li, “Deterministic construction of Fourier-based compressed sensing matrices using an almost difference set,” EURASIP Journal on Advances in Signal Processing, Oct. 2013, 2013:155.

28. Zilong Wang, Guang Gong and Nam Yul Yu, “New polyphase sequence families with low correlation derived from the Weil bound of exponential sums,” IEEE Transactions on Information Theory, vol. 59, no. 6, pp. 3990 – 3998, June 2013. 

29. Nam Yul Yu, “A construction of codebooks associated with binary sequences,’’ IEEE Transactions on Information Theory, vol. 58, no. 8, pp. 5522–5533, Aug. 2012. 

30. Nam Yul Yu and Guang Gong, “Near-complementary sequences with low PMEPR for peak power control in multicarrier communications,” IEEE Transactions on Information Theory, vol. 57, no. 1, pp. 505–513, Jan. 2011. 

31. Nam Yul Yu and Guang Gong, “Multiplicative characters, the Weil bound, and polyphase sequence families with low correlation,” IEEE Transactions on Information Theory, vol. 56, no. 12, pp. 6376–6387, Dec. 2010. 

32. Nam Yul Yu and Guang Gong, “New construction of M-ary sequence families with low correlation from the structure of Sidelnikov sequences,” IEEE Transactions on Information Theory, vol. 56, no. 8, pp. 4061–4070, Aug. 2010. 

33. Nam Yul Yu and Guang Gong, “New binary sequences with optimal autocorrelation magnitude,” IEEE Transactions on Information Theory, vol. 54, no. 10, pp. 4771–4779, Oct. 2008. 

34. Nam Yul Yu and Guang Gong, “The perfect binary sequence of period 4 for low periodic and aperiodic autocorrelations,” Lecture Notes in Computer Science (LNCS), vol. 4893, Springer-Verlag, pp. 37–49, 2007. 

35. Nam Yul Yu and Guang Gong, “Constructions of quadratic bent functions in polynomial forms,” IEEE Transactions on Information Theory, vol. 52, no. 7, pp. 3291–3299, July 2006. 

36. Nam Yul Yu and Guang Gong, “A new binary sequence family with low correlation and large size,” IEEE Transactions on Information Theory, vol. 52, no. 4, pp. 1624–1636, Apr. 2006. 

37. Nam Yul Yu and Guang Gong, “Realizations from decimation Hadamard transform for special classes of binary sequences with two-level autocorrelation,” Lecture Notes in Computer Science (LNCS), vol. 3969, Springer-Verlag, pp. 371–385, 2006. 

38. Nam Yul Yu, Min Goo Kim, Yong Serk Kim and Sang Uoon Chung, “Efficient stopping criterion for iterative decoding of turbo codes,” IEE Electronics Letters, vol. 39, no. 1, pp. 73–75, Jan. 2003.