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

Lu CHEN; Ding-zhu WEN; Cai-jun ZHONG; Guan-ding YU

doi:10.1631/FITEE.1700027

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

Special Feature on 5G Wireless Communication Systems and Technologies | Updated：2022-05-19

- Hybrid full-/half-duplex cellular networks: user admission and power control
- 全/半双工混合蜂窝网络：用户准入和功率控制
- Frontiers of Information Technology & Electronic Engineering Vol. 19, Issue 3, Pages: 379-387(2018)
- Affiliations：
  
  Institute of Information and Communication Engineering, Zhejiang University, Hangzhou 310027, China
- Author bio：
  
  Cai-jun ZHONG, caijunzhong@zju.edu.cn
- Funds：
- DOI：10.1631/FITEE.1700027
  CLC： TN92
- Received：10 January 2017，
  
  Revised：2018-;3-;8，
  
  Published：2018-03
- Accepted：
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Lu CHEN, Ding-zhu WEN, Cai-jun ZHONG, et al. Hybrid full-/half-duplex cellular networks: user admission and power control[J]. Frontiers of Information Technology & Electronic Engineering, 2018, 19(3): 379-387.
DOI：

Lu CHEN, Ding-zhu WEN, Cai-jun ZHONG, et al. Hybrid full-/half-duplex cellular networks: user admission and power control[J]. Frontiers of Information Technology & Electronic Engineering, 2018, 19(3): 379-387. DOI： 10.1631/FITEE.1700027.

摘要

考虑一个具有混合全/半双工基站的单小区蜂窝网络。对于有

条信道、

个上行用户和

个下行用户（max{

}≤

≤

）的实际场景，解决了用户准入和功率控制问题，在保证用户服务质量（QoS）的同时，最大化用户准入数量并最小化总发射功率。对于联合用户准入和功率分配问题，将该问题建模成一个0-1整数规划问题。由于寻找该问题最优解是一个NP-hard问题，通过引入"虚拟用户"的新概念，提出一种低复杂度算法。仿真结果表明，该算法和分支界定法性能相似，并且明显优于随机匹配算法的性能。

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\} \le N \le K+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.

关键词

Keywords

references

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