Open AccessDynamic and energy‐efficient ICI mitigation techniques for mobility‐based 5G HetCN
Author(s) -
Borah Janmoni,
Hussain Md. Anwar,
Bora Joyatri
Publication year - 2020
Publication title -
iet communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.355
H-Index - 62
eISSN - 1751-8636
pISSN - 1751-8628
DOI - 10.1049/iet-com.2019.0898
Subject(s) - macrocell , base station , computer science , telecommunications link , cellular network , computer network , throughput , interference (communication) , heterogeneous network , transmission (telecommunications) , mobile telephony , telecommunications , wireless network , wireless , mobile radio , channel (broadcasting)
In this study, two dynamic mechanisms are proposed to mitigate inter‐cell interference (ICI) in the heterogeneous cellular network (HetCN) namely: Dynamic Fixed Region Cooperation (DFRC) and Dynamic Power Allocation Mechanism (DPAM). The DFRC allows serving mSCs and other interfering base stations (BSs) to cooperate during transmission of a signal to a user. The DPAM dynamically allocates power to serving BS based on the farthest user in a cell. The study illustrates downlink interferences typically linked with a HetCN. For analysis, a macrocell (MC) network distributed with heterogeneous users is overlaid with both fixed and mobile small cells (SCs). The authors also introduced the cell‐user mobility model for deployed mobile SCs in the network. The effects on network performance metrics: Sumrate, Average user throughput, and Energy efficiency are investigated with an allocation of sub 6 GHz and mmWave bands at MC and deployed SCs, respectively.