Interference mitigation using uplink power control for two-tier femtocell networks

Han Shin Jo; Cheol Mun; June Moon; Jong Gwan Yook

doi:10.1109/TWC.2009.080457

Interference mitigation using uplink power control for two-tier femtocell networks

Han Shin Jo, Cheol Mun, June Moon, Jong Gwan Yook

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

237 Citations (Scopus)

Abstract

This paper proposes two interference mitigation strategies that adjust the maximum transmit power of femtocell users to suppress the cross-tier interference at a macrocell base station (BS). The open-loop and the closed-loop control suppress the cross-tier interference less than a fixed threshold and an adaptive threshold based on the noise and interference (NI) level at the macrocell BS, respectively. Simulation results show that both schemes effectively compensate the uplink throughput degradation of the macrocell BS due to the cross-tier interference and that the closed-loop control provides better femtocell throughput than the open-loop control at a minimal cost of macrocell throughput.

Original language	English
Article number	5288919
Pages (from-to)	4906-4910
Number of pages	5
Journal	IEEE Transactions on Wireless Communications
Volume	8
Issue number	10
DOIs	https://doi.org/10.1109/TWC.2009.080457
Publication status	Published - 2009 Oct

Bibliographical note

Funding Information:
Manuscript received April 3, 2008; revised January 15, 2009; accepted March 30, 2009. The associate editor coordinating the review of this letter and approving it for publication was H. Xu. H.-S. Jo and J.-G. Yook are with the Department of Electrical & Electronic Engineering, Yonsei University, Seoul, Korea 120-149 (e-mail: {gminor, jgyook}@yonsei.ac.kr). C. Mun is with the Dept. of Electronic Communication Eng., Chungju National University, Chungju, Korea (e-mail: chmun@cjnu.ac.kr). J. Moon is with the Telecommunication R&D Center, Samsung Electronics, Suwon, Gyeonggi, Korea 442-742 (e-mail: june.moon@samsung.com). This work was supported by Samsung Electronics. Digital Object Identifier 10.1109/TWC.2009.080457

All Science Journal Classification (ASJC) codes

Computer Science Applications
Electrical and Electronic Engineering
Applied Mathematics

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10.1109/TWC.2009.080457

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abstract = "This paper proposes two interference mitigation strategies that adjust the maximum transmit power of femtocell users to suppress the cross-tier interference at a macrocell base station (BS). The open-loop and the closed-loop control suppress the cross-tier interference less than a fixed threshold and an adaptive threshold based on the noise and interference (NI) level at the macrocell BS, respectively. Simulation results show that both schemes effectively compensate the uplink throughput degradation of the macrocell BS due to the cross-tier interference and that the closed-loop control provides better femtocell throughput than the open-loop control at a minimal cost of macrocell throughput.",

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AU - Yook, Jong Gwan

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N2 - This paper proposes two interference mitigation strategies that adjust the maximum transmit power of femtocell users to suppress the cross-tier interference at a macrocell base station (BS). The open-loop and the closed-loop control suppress the cross-tier interference less than a fixed threshold and an adaptive threshold based on the noise and interference (NI) level at the macrocell BS, respectively. Simulation results show that both schemes effectively compensate the uplink throughput degradation of the macrocell BS due to the cross-tier interference and that the closed-loop control provides better femtocell throughput than the open-loop control at a minimal cost of macrocell throughput.

AB - This paper proposes two interference mitigation strategies that adjust the maximum transmit power of femtocell users to suppress the cross-tier interference at a macrocell base station (BS). The open-loop and the closed-loop control suppress the cross-tier interference less than a fixed threshold and an adaptive threshold based on the noise and interference (NI) level at the macrocell BS, respectively. Simulation results show that both schemes effectively compensate the uplink throughput degradation of the macrocell BS due to the cross-tier interference and that the closed-loop control provides better femtocell throughput than the open-loop control at a minimal cost of macrocell throughput.

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Interference mitigation using uplink power control for two-tier femtocell networks

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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