Resource Allocation and Beamforming Algorithm Based on Interference Avoidance Approach for Device-to-Device Communication Underlaying LTE Cellular Network

Huy-Dung Han, Chenxi Zhu, Dorin Viorel, Akira Ito

Fujitsu Laboratories of America Inc. Sunnyvale, CA, USA.

DOI: 10.4236/cn.2013.53B2067                

Abstract

In this work, we consider device-to-device (D2D) direct communication underlaying a 3GPP LTE-A network. D2D communication enables new service opportunities, provides high throughput and reliable communication while reducing the base station load. For better total performance, D2D links and cellular links share the same radio resource and the management of interference becomes a crucial task. We propose a radio resource allocation for D2D links based on interference avoidance approach. For system with multiple transmit antennas, we apply beamforming technique based on signal to leakage criterion to reduce the co-channel interference. The results show that, D2D transmission with the resource allocation and beamforming technique provides significant gain compared to that of the regular cellular network.

Keywords

Device-to-Device; LTE; Resource Allocation; Beamforming

Conflicts of Interest

The authors declare no conflicts of interest.

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