Acknowledgment to Reviewers of Signals in 2021

Rigorous peer-reviews are the basis of high-quality academic publishing. Thanks to the great efforts of our reviewers, Signals was able to maintain its standards for the high quality of its published papers. The editors would like to extend their gratitude and recognition to the following reviewers for their precious time and dedication, regardless of whether the papers they reviewed were finally published:

Abdullah, Mujeeb	Mendes Junior, Jose Jair Alves
Aggarwal, Geetika	Mentasti, Simone
Ahmad, Jawad	Mercorelli, Paolo
Alonso, Francisco	Minea, Marius
Alotta, Gioacchino	Misiurewicz, Jacek
Alsharif, Mohammed H.	Mohammadzadeh, Niloofar
Alshazly, Hammam	Monsurrò, Pietro
Ashraf, Abdelhamied	Moroni, Davide
Ayyoubzadeh, Seyed Mohammad	Mosavi, Amir
Babusiak, Branko	Muhammad, Fazal
Baldo, Nicola	Nalepa, Grzegorz
Barbancho, Ana	Nunes, Paulo
Basit, Abdul	Ochoa, Genaro
Beben, Damian	O’Shaughnessy, Douglas
Bhattacharjee, Sankha Subhra	Palmanshofer, Alexander
Bi, Lanrong	Pan, Jeng-Shyang
Borruso, Giuseppe	Paweł, Dymora
Bulic, Patricio	Pecoraro, Giovanni
Capone, Simonetta	Pediconi, Francesco
Cavuoti, Stefano	Peinado, Antonio M.
Cervigón, Raquel	Perez-Ramirez, Carlos
Chen, Liang-Bi	Petritoli, Enrico
Cherif, Adnane	Pompei, Simone
Contreras-Reyes, Javier E.	Prieto, Francisco Ureña
Dashtipour, Kia	Pu, Cong
Dassios, Ioannis	Pujol, Francisco A.
Dera, Dimah	Qi, Guanqiu
Derugo, Piotr	Roig, Ignacio Bosch
Dooley, Kim	Rojas Sola, José
Düştegör, Dilek	Rusu, Corneliu
Ekiz, Deniz	S. F. Santos, Mário João
Farago, Paul	Sajjadian, Masoud
Floros, Georgios	Salazar, Addisson
Fortuna, Francesca	Samanta, Debabrata
Francais, Olivier	Sánchez-Campusano, Raudel
Gabrielli, Alessandro	Saranin, Danila
Garcia-Yeguas, Ara Celi	Shamir, Lior
Georgakis, Panagiotis	Shiue, Muh-Tian
Ghosal, Sambuddha	Smolarz, Andrzej
Giannopoulos, Anastasios	Soman, Rohan
Goh, Shu Ting	Song, Jun
Gonçalves, Pedro	Sony, Sandeep
González Briones, Alfonso	Stoyanov, Borislav
Göpfert, Beat	Svyd, Iryna
Gosalbez, Jorge	Taherdoost, Hamed
Gradov, Oleg M.	Tahry, Riëm El
Hadjipapas, Avgis	Tango, Fabio
Huang, Chao	Tasadduq, Imran
Hutu, Florin Doru	Tiwari, Rakesh Nath
Islam, M. M. Manjurul	Tonacci, Alessandro
Jedrzejewski, Konrad	Tran, Gia Khanh
Jenkins, Jon M.	Tripathy, Rajesh Kumar
Juhar, Jozef	V. Ravi, Renjith
Kawamoto, Kazuhiko	Valero-Mas, Jose J.
Kitahara, Tetsuro	Venegas, Pablo
Knockaert, Jos	Visconti, Paolo
Kostal, Peter	Voit, Eberhard
Kotropoulos, Constantine	Vulpe, Alexandru
Kovari, Attila	Wang, He-Sheg
Kraleva, Radoslava	Watanabe, Eiichi
Kromanis, Rolands	Wu, Chensheng
Kukla, Mateusz	Wuttke, Heinz-Dietrich
Kulpa, Krzysztof	Xu, Bo
Lee, In	Yang, Bo
Lerga, Jonatan	Yang, Chen
Li, Bing	Yannis, George
Liang, Liang	Yeo, Kiat Seng
Lim, Gilbert	Zamani, Abbas-Ali
Liu, Shuaiqi	Zontone, Pamela
Magafas, Lykourgos	Zubrzycki, Jarosław
Maia, Ranniery