Interference Reduction for Terrestrial Cellular CDMA Systems via High Altitude Platform Station
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...
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| creator | Jeng-Ji Huang Wei-Ting Wang Yi-Hsuan Chen Huei-Wen Ferng Shiung, D. |
| description | 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. |
| doi_str_mv | 10.1109/VETECS.2007.283 |
| format | Conference Proceeding |
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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.</abstract><pub>IEEE</pub><doi>10.1109/VETECS.2007.283</doi><tpages>5</tpages></addata></record> |
| fulltext | fulltext_linktorsrc |
| identifier | ISSN: 1550-2252 |
| ispartof | 2007 IEEE 65th Vehicular Technology Conference - VTC2007-Spring, 2007, p.1350-1354 |
| issn | 1550-2252 |
| language | eng |
| recordid | cdi_ieee_primary_4212711 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Base stations Councils Interchannel interference Macrocell networks Microcell networks Millimeter wave communication Millimeter wave technology Multiaccess communication Multimedia systems Wireless communication |
| title | Interference Reduction for Terrestrial Cellular CDMA Systems via High Altitude Platform Station |
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