CLC number: TN929.5
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
Crosschecked: 2017-06-04
Cited: 1
Clicked: 6447
Zhi-yong Feng, Ze-bing Feng, T. Aaron Gulliver. Joint user association and resource partition for downlink-uplink decoupling in multi-tier HetNets[J]. Frontiers of Information Technology & Electronic Engineering, 2017, 18(6): 817-829.
@article{title="Joint user association and resource partition for downlink-uplink decoupling in multi-tier HetNets",
author="Zhi-yong Feng, Ze-bing Feng, T. Aaron Gulliver",
journal="Frontiers of Information Technology & Electronic Engineering",
volume="18",
number="6",
pages="817-829",
year="2017",
publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.1700031"
}
%0 Journal Article
%T Joint user association and resource partition for downlink-uplink decoupling in multi-tier HetNets
%A Zhi-yong Feng
%A Ze-bing Feng
%A T. Aaron Gulliver
%J Frontiers of Information Technology & Electronic Engineering
%V 18
%N 6
%P 817-829
%@ 2095-9184
%D 2017
%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.1700031
TY - JOUR
T1 - Joint user association and resource partition for downlink-uplink decoupling in multi-tier HetNets
A1 - Zhi-yong Feng
A1 - Ze-bing Feng
A1 - T. Aaron Gulliver
J0 - Frontiers of Information Technology & Electronic Engineering
VL - 18
IS - 6
SP - 817
EP - 829
%@ 2095-9184
Y1 - 2017
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/FITEE.1700031
Abstract: Traditional cellular networks require the downlink (DL) and uplink (UL) of mobile users (MUs) to be associated with a single base station (BS). However, the power gap between BSs and MUs in different transmission environments results in the BS with the strongest downlink differing from the BS with the strongest uplink. In addition, the significant increase in the number of wireless machine type communication (MTC) devices accessing cellular networks has created a DL/UL traffic imbalance with higher traffic volume on the uplink. In this paper, a joint user association and resource partition framework for downlink-uplink decoupling (DUDe) is developed for a tiered heterogeneous cellular network (HCN). Different from the traditional association rules such as maximal received power and range extension, a coalition game based scheme is proposed for the optimal user association with DUDe. The stability and convergence of this scheme are proven and shown to converge to a Nash equilibrium at a geometric rate. Moreover, the DL and UL optimal bandwidth partition for BSs is derived based on user association considering fairness. Extensive simulation results demonstrate the effectiveness of the proposed scheme, which enhances the sum rate compared with other user association strategies.
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