Incentives for Cooperative Relay in Heterogeneous Networks: A Dynamic Reputation-Based Approach

Authors:
Junseok Hwang;Andrei Shin;Hyenyoung Yoon
Affiliations:
College of Engineering, Seoul National University, Seoul, Republic of Korea 151-742;College of Engineering, Seoul National University, Seoul, Republic of Korea 151-742;College of Engineering, Seoul National University, Seoul, Republic of Korea 151-742
Venue:
APNOMS '08 Proceedings of the 11th Asia-Pacific Symposium on Network Operations and Management: Challenges for Next Generation Network Operations and Service Management
Year:
2008

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Abstract

Selfish behavior by users significantly affects the overall performance and degrades the overall connectivity in heterogeneous networks, such as Personal Networks (PN). Incentives are considered one of the best solutions for this situation. This paper proposes a dynamic reputation-based incentive mechanism for cooperative relay in PNs. Based on reputation calculations for individual contributions of intermediate relay nodes in a cooperative relay service, the proposed scheme dynamically assigns incentives in terms of additional throughput for those cooperative relay nodes. Experimental results of simulation scenarios show that dynamic incentives are appropriate and sustainable for motivating user participation in PNs, particularly for applications characterized by wide coverage and high data rates.