TY - GEN
T1 - Friendly Jamming in LoRa Physical Layer Using Imperfect Orthogonality of Spreading Factor
AU - Moon, Soo Jung
AU - Lee, Wonjun
N1 - Funding Information:
ACKNOWLEDGMENT This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. 2019R1A2C2088812). Wonjun Lee is the corresponding author.
Publisher Copyright:
© 2022 IEEE.
PY - 2022
Y1 - 2022
N2 - As the Internet of Things (IoT) requires communication technologies to interconnect many devices, a low-power wide-Area network (LPWAN), especially LoRa, has emerged due to its power and range benefits. Since the physical layer of LoRa remains susceptible to deliberate jamming attacks, we propose a friendly jamming scheme that protects the legitimate communication against attacks by using the imperfect orthogonality of the spreading factor (SF). SF imperfect orthogonality allows a stronger signal to disrupt weaker signal with different SF, therefore we use the strong friendly jamming signal to hide the legitimate signal from attackers. The legitimate receiver can cancel the friendly jamming signal and retrieve the initial data. We implement the scheme with software-defined radios, showing that our friendly jamming scheme is efficacious to impede the jamming attack.
AB - As the Internet of Things (IoT) requires communication technologies to interconnect many devices, a low-power wide-Area network (LPWAN), especially LoRa, has emerged due to its power and range benefits. Since the physical layer of LoRa remains susceptible to deliberate jamming attacks, we propose a friendly jamming scheme that protects the legitimate communication against attacks by using the imperfect orthogonality of the spreading factor (SF). SF imperfect orthogonality allows a stronger signal to disrupt weaker signal with different SF, therefore we use the strong friendly jamming signal to hide the legitimate signal from attackers. The legitimate receiver can cancel the friendly jamming signal and retrieve the initial data. We implement the scheme with software-defined radios, showing that our friendly jamming scheme is efficacious to impede the jamming attack.
KW - friendly jamming
KW - IoT
KW - LoRa
KW - LPWAN
KW - spreading factor
UR - http://www.scopus.com/inward/record.url?scp=85125658038&partnerID=8YFLogxK
U2 - 10.1109/ICOIN53446.2022.9687108
DO - 10.1109/ICOIN53446.2022.9687108
M3 - Conference contribution
AN - SCOPUS:85125658038
T3 - International Conference on Information Networking
SP - 423
EP - 428
BT - 36th International Conference on Information Networking, ICOIN 2022
PB - IEEE Computer Society
T2 - 36th International Conference on Information Networking, ICOIN 2022
Y2 - 12 January 2022 through 15 January 2022
ER -