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Resource Allocation and Beamforming Algorithm Based on Interference Avoidance Approach for Device-to-Device Communication Underlaying LTE Cellular Network
Fujitsu Laboratories of America Inc. Sunnyvale, CA, USA
Fujitsu Laboratories of America Inc. Sunnyvale, CA, USA
Fujitsu Laboratories of America Inc. Sunnyvale, CA, USA
Fujitsu Laboratories of America Inc. Sunnyvale, CA, USA
- 1 Fujitsu Laboratories of America Inc. Sunnyvale, CA, USA
- 2 Fujitsu Laboratories of America Inc. Sunnyvale, CA, USA
- 3 Fujitsu Laboratories of America Inc. Sunnyvale, CA, USA
- 4 Fujitsu Laboratories of America Inc. Sunnyvale, CA, USA
Communications and Network·Volume 05 (2013)·Pages 367–373·Published 27 September 2013·DOI10.4236/cn.2013.53B2067
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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.
KeywordsDevice-to-DeviceLTEResource AllocationBeamforming
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