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Guard Band-Based Resource Sharing for Device-to-Device Communications Underlying Cellular Network

Author

Listed:
  • Yue Li
  • Xuejun Sha
  • Liang Ye
  • Xiaojie Fang

Abstract

The performance of device-to-device (D2D) communication in a cellular network depends on the resource sharing between D2D links and cellular users. Existing researches on resource sharing mainly focus on power control between the D2D users and cellular users that operate in the same frequency band. However, the D2D outage probability performance is hampered by the cellular interference to D2D links. Therefore, the D2D users may not achieve satisfactory SINR performance when D2D users and cellular users are geographically located in a small area; as a result, the outage probability performance would be significantly degraded. In this paper, we provide a novel resource sharing strategy to mitigate the interference from cellular users to D2D receivers by utilizing the low energy characteristics of signals in the guard band and analyze the D2D outage probability performance mathematically. Both the mathematical analysis and numerical results show that the proposed resource sharing strategy provides 1.2 dB SNR gain in D2D outage probability performance while guaranteeing the cellular throughputs.

Suggested Citation

  • Yue Li & Xuejun Sha & Liang Ye & Xiaojie Fang, 2016. "Guard Band-Based Resource Sharing for Device-to-Device Communications Underlying Cellular Network," Mathematical Problems in Engineering, Hindawi, vol. 2016, pages 1-8, July.
    • Handle: RePEc:hin:jnlmpe:9547560
    DOI: 10.1155/2016/9547560
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