Interference reduction for terrestrial cellular CDMA systems via high altitude platform station

Jeng Ji Huang; Wei Ting Wang; Yi Hsuan Chen; Huei Wen Ferng; David Shiung

doi:10.1109/VETECS.2007.283

Interference reduction for terrestrial cellular CDMA systems via high altitude platform station

Jeng Ji Huang^*, Wei Ting Wang, Yi Hsuan Chen, Huei Wen Ferng, David Shiung

^*Corresponding author for this work

Department of Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

9 Citations (Scopus)

Abstract

In a cellular code division multiple access (CDMA) system, uplink capacity is limited by interference. For a ground-based CDMA system or a high altitude platform station (HAPS) CDMA system, the interference is contributed by users in the same cell and in other cells. In this paper, a novel scheme is proposed to reduce both the same-cell and other-cell interferences in a cellular CDMA system. The proposed scheme attempts to lower the required transmitting power for each user by integrating terrestrial base stations (BSs) with a HAPS to provide two separate paths for signal reception. Numerical results show that the total interference is significantly reduced and the uplink capacity is improved under the proposed scheme, compared to either a HAPS CDMA system or a ground-based CDMA system.

Original language	English
Title of host publication	2007 IEEE 65th Vehicular Technology Conference - VTC2007-Spring
Pages	1350-1354
Number of pages	5
DOIs	https://doi.org/10.1109/VETECS.2007.283
Publication status	Published - 2007
Event	2007 IEEE 65th Vehicular Technology Conference - VTC2007-Spring - Dublin, Ireland Duration: 2007 Apr 22 → 2007 Apr 25

Publication series

Name	IEEE Vehicular Technology Conference
ISSN (Print)	1550-2252

Other

Other	2007 IEEE 65th Vehicular Technology Conference - VTC2007-Spring
Country/Territory	Ireland
City	Dublin
Period	2007/04/22 → 2007/04/25

Keywords

CDMA
Capacity
HAPS
Interference
Uplink

ASJC Scopus subject areas

Computer Science Applications
Electrical and Electronic Engineering
Applied Mathematics

Access to Document

10.1109/VETECS.2007.283

Cite this

Interference reduction for terrestrial cellular CDMA systems via high altitude platform station. / Huang, Jeng Ji; Wang, Wei Ting; Chen, Yi Hsuan et al.
2007 IEEE 65th Vehicular Technology Conference - VTC2007-Spring. 2007. p. 1350-1354 4212711 (IEEE Vehicular Technology Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Huang, JJ, Wang, WT, Chen, YH, Ferng, HW & Shiung, D 2007, Interference reduction for terrestrial cellular CDMA systems via high altitude platform station. in 2007 IEEE 65th Vehicular Technology Conference - VTC2007-Spring., 4212711, IEEE Vehicular Technology Conference, pp. 1350-1354, 2007 IEEE 65th Vehicular Technology Conference - VTC2007-Spring, Dublin, Ireland, 2007/04/22. https://doi.org/10.1109/VETECS.2007.283

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abstract = "In a cellular code division multiple access (CDMA) system, uplink capacity is limited by interference. For a ground-based CDMA system or a high altitude platform station (HAPS) CDMA system, the interference is contributed by users in the same cell and in other cells. In this paper, a novel scheme is proposed to reduce both the same-cell and other-cell interferences in a cellular CDMA system. The proposed scheme attempts to lower the required transmitting power for each user by integrating terrestrial base stations (BSs) with a HAPS to provide two separate paths for signal reception. Numerical results show that the total interference is significantly reduced and the uplink capacity is improved under the proposed scheme, compared to either a HAPS CDMA system or a ground-based CDMA system.",

keywords = "CDMA, Capacity, HAPS, Interference, Uplink",

author = "Huang, {Jeng Ji} and Wang, {Wei Ting} and Chen, {Yi Hsuan} and Ferng, {Huei Wen} and David Shiung",

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PY - 2007

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N2 - In a cellular code division multiple access (CDMA) system, uplink capacity is limited by interference. For a ground-based CDMA system or a high altitude platform station (HAPS) CDMA system, the interference is contributed by users in the same cell and in other cells. In this paper, a novel scheme is proposed to reduce both the same-cell and other-cell interferences in a cellular CDMA system. The proposed scheme attempts to lower the required transmitting power for each user by integrating terrestrial base stations (BSs) with a HAPS to provide two separate paths for signal reception. Numerical results show that the total interference is significantly reduced and the uplink capacity is improved under the proposed scheme, compared to either a HAPS CDMA system or a ground-based CDMA system.

AB - In a cellular code division multiple access (CDMA) system, uplink capacity is limited by interference. For a ground-based CDMA system or a high altitude platform station (HAPS) CDMA system, the interference is contributed by users in the same cell and in other cells. In this paper, a novel scheme is proposed to reduce both the same-cell and other-cell interferences in a cellular CDMA system. The proposed scheme attempts to lower the required transmitting power for each user by integrating terrestrial base stations (BSs) with a HAPS to provide two separate paths for signal reception. Numerical results show that the total interference is significantly reduced and the uplink capacity is improved under the proposed scheme, compared to either a HAPS CDMA system or a ground-based CDMA system.

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KW - Capacity

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KW - Uplink

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Interference reduction for terrestrial cellular CDMA systems via high altitude platform station

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Keywords

ASJC Scopus subject areas

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