Hybrid full-/half-duplex cellular networks: user admission and power control

  • Lu Chen
  • Ding-zhu Wen
  • Cai-jun Zhong
  • Guan-ding Yu
Article
  • 11 Downloads

Abstract

We consider a single-cell network with a hybrid full-/half-duplex base station. For the practical scenario with N channels, K uplink users, and M downlink users (max{K,M} ≤ NK + M), we tackle the issue of user admission and power control to simultaneously maximize the user admission number and minimize the total transmit power when guaranteeing the quality-of-service requirement of individual users. We formulate a 0–1 integer programming problem for the joint-user admission and power allocation problem. Because finding the optimal solution of this problem is NP-hard in general, a low-complexity algorithm is proposed by introducing the novel concept of adding dummy users. Simulation results show that the proposed algorithm achieves performance similar to that of branch and bound algorithm and significantly outperforms the random pairing algorithm.

Key words

Full-duplex Half-duplex User admission Power control 

CLC number

TN92 

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Copyright information

© Zhejiang University and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Institute of Information and Communication EngineeringZhejiang UniversityHangzhouChina

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