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 ### 📝 Publications 
 
+- `[J] IEEE TCAS-I` **W. Guo** and S. Li, []"Highly-Efficient Hardware Architecture for CRYSTALS-Kyber With a Novel Conflict-Free Memory Access Pattern,"](https://ieeexplore.ieee.org/document/10231113) in IEEE Transactions on Circuits and Systems I: Regular Papers, doi: 10.1109/TCSI.2023.3306347.
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 - `[J] IEEE TCAS-II` **W. Guo**, S. Li and L. Kong, ["An Efficient Implementation of KYBER,"](https://ieeexplore.ieee.org/document/9509281) in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 69, no. 3, pp. 1562-1566, March 2022, doi: 10.1109/TCSII.2021.3103184. 
   
 - `[C] IEEE ISCAS` **W. Guo** and S. Li, ["Area-Efficient Modular Reduction Structure and Memory Access Scheme for NTT,"](https://ieeexplore.ieee.org/document/9401571) 2021 IEEE International Symposium on Circuits and Systems (ISCAS), Daegu, Korea, 2021, pp. 1-5, doi: 10.1109/ISCAS51556.2021.9401571.
 
-<!-- ## 2. Basic circuit components -->
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 - `[J] IEEE TVLSI` **W. Guo** and S. Li, ["Fast Binary Counters and Compressors Generated by Sorting Network,"](https://ieeexplore.ieee.org/document/9388166) in IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 29, no. 6, pp. 1220-1230, June 2021, doi: 10.1109/TVLSI.2021.3067010.
 
+#### Preprint
+
+- `arXiv` **W. Guo**, ["High-Speed (7, 2) Compressor Using A Fast Carry-Generation Logic based on Sorting Network,"](https://arxiv.org/abs/2309.03643) arXiv preprint arXiv:2309.03643, 2023
+
 ### 🛠️ Projects
 - RISC-V processor with RV64I instruction set, tape-out with TSMC 110nm process, support [RT-Thread](https://github.com/RT-Thread/rt-thread) operating system.
 - Hardware accelerator of CRYSTALS-Kyber.