A novel semi-static interference coordination scheme for LTE uplink

Chung Hau Yu, Pei Hua Su, Chih Hao Lai, Meng-Hsun Tsai

Research output: Contribution to conferencePaper

1 Citation (Scopus)

Abstract

In Orthogonal Frequency Division Multiplex based system, inter-cell interference is an important issue which impacts signal quality between base stations and user equipments (UEs), especially for UEs at cell edge. In order to relieve this problem, Third Generation Partnership Project Long Term Evolution defines high interference indicator (HII) and overload indicator (OI) to avoid high interference for uplink. However, OI may produce negative effect when operators does not carefully use it. To overcome this issue, this paper proposes a novel scheme to mitigate uplink inter-cell interference. We introduce a new indicator with HII and OI to ensure improvement of system performance. Simulation results show that our scheme can effectively enhance uplink throughput of cell edge UEs as well as the total uplink throughput.

Original languageEnglish
DOIs
Publication statusPublished - 2013 Jan 1
Event9th International Conference on Information, Communications and Signal Processing, ICICS 2013 - Tainan, Taiwan
Duration: 2013 Dec 102013 Dec 13

Other

Other9th International Conference on Information, Communications and Signal Processing, ICICS 2013
CountryTaiwan
CityTainan
Period13-12-1013-12-13

Fingerprint

Throughput
Long Term Evolution (LTE)
Base stations

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Information Systems
  • Signal Processing

Cite this

Yu, C. H., Su, P. H., Lai, C. H., & Tsai, M-H. (2013). A novel semi-static interference coordination scheme for LTE uplink. Paper presented at 9th International Conference on Information, Communications and Signal Processing, ICICS 2013, Tainan, Taiwan. https://doi.org/10.1109/ICICS.2013.6782821
Yu, Chung Hau ; Su, Pei Hua ; Lai, Chih Hao ; Tsai, Meng-Hsun. / A novel semi-static interference coordination scheme for LTE uplink. Paper presented at 9th International Conference on Information, Communications and Signal Processing, ICICS 2013, Tainan, Taiwan.
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Yu, CH, Su, PH, Lai, CH & Tsai, M-H 2013, 'A novel semi-static interference coordination scheme for LTE uplink' Paper presented at 9th International Conference on Information, Communications and Signal Processing, ICICS 2013, Tainan, Taiwan, 13-12-10 - 13-12-13, . https://doi.org/10.1109/ICICS.2013.6782821

A novel semi-static interference coordination scheme for LTE uplink. / Yu, Chung Hau; Su, Pei Hua; Lai, Chih Hao; Tsai, Meng-Hsun.

2013. Paper presented at 9th International Conference on Information, Communications and Signal Processing, ICICS 2013, Tainan, Taiwan.

Research output: Contribution to conferencePaper

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AB - In Orthogonal Frequency Division Multiplex based system, inter-cell interference is an important issue which impacts signal quality between base stations and user equipments (UEs), especially for UEs at cell edge. In order to relieve this problem, Third Generation Partnership Project Long Term Evolution defines high interference indicator (HII) and overload indicator (OI) to avoid high interference for uplink. However, OI may produce negative effect when operators does not carefully use it. To overcome this issue, this paper proposes a novel scheme to mitigate uplink inter-cell interference. We introduce a new indicator with HII and OI to ensure improvement of system performance. Simulation results show that our scheme can effectively enhance uplink throughput of cell edge UEs as well as the total uplink throughput.

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Yu CH, Su PH, Lai CH, Tsai M-H. A novel semi-static interference coordination scheme for LTE uplink. 2013. Paper presented at 9th International Conference on Information, Communications and Signal Processing, ICICS 2013, Tainan, Taiwan. https://doi.org/10.1109/ICICS.2013.6782821