Mode selection scheme considering transmission power for improving performance of device-to-device communication in cellular networks

Authors:
Jaheon Gu;Sueng Jae Bae;Bum-Gon Choi;Min Young Chung
Affiliations:
Sungkyunkwan University, Suwon, Republic of Korea;Sungkyunkwan University, Suwon, Republic of Korea;Sungkyunkwan University, Suwon, Republic of Korea;Sungkyunkwan University, Suwon, Republic of Korea
Venue:
Proceedings of the 6th International Conference on Ubiquitous Information Management and Communication
Year:
2012

Citing 2
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Abstract

Device-to-device (D2D) communication (D2D-comm) which enables direct communications between mobile devices is considered as one of new approaches to extend capacity of cellular systems. Since radio resource sharing of conventional cellular systems is essential for D2D-comm to maximize the capacity, resource usage mode for D2D-comm should be carefully determined. In this paper, we propose a mode selection scheme which selects proper resource usage mode of each D2D pair by considering transmission power of D2D-comm user equipments (DUEs). The proposed scheme makes each D2D pair to select resource usage mode which is expected to achieve highest data rate based on its average signal-to-interference plus noise ratio (SINR) and expected amount of available radio resources. From simulations, we show that the proposed scheme can improve throughput of cellular systems with capability of D2D-comm.