NDLI: Antenna tilt and interaction with open loop power control in homogeneous uplink LTE networks

Content Provider	IEEE Xplore Digital Library
Author	Naizheng Zheng Michaelsen, P.-H. Steiner, J. Rosa, C. Wigard, J.
Copyright Year	2008
Description	Author affiliation: Nokia Siemens Networks, Aalborg, Denmark (Michaelsen, P.-H.; Steiner, J.; Rosa, C.; Wigard, J.) \|\| Electron. Dept., Aalborg Univ., Aalborg, Denmark (Naizheng Zheng)
Abstract	Antenna tilt is an effective inter-cell interference reduction technique which has been studied a lot previously in the CDMA-based systems. In this paper, we concentrate on the evaluations of the mechanical antenna downtilt in the uplink LTE networks. The SINR performance and the trade-off between the cell coverage and capacity are studied in a homogeneous scenario. Simulation results in Macro 1 show, downtilt angle at 12° to 16° has the optimal performance in terms of SINR and the cell coverage is maximized at downtilt angle 16°. The interaction of the antenna tilt with the open loop power control scheme defined in the 3GPP standard is also studied. Results show that, with certain ¿ value, there is no impact to the choice of optimal $P_{0}$ value with different antenna downtilt angles. For the ¿ value equal to 0.6 and 1.0 respectively, there are about 75% and 37.5% increases in terms of cell coverage and about 47% and 39% increases in terms of cell capacity.
Starting Page	693
Ending Page	697
File Size	312643
Page Count	5
File Format	PDF
ISBN	9781424424887
DOI	10.1109/ISWCS.2008.4726145
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-21
Publisher Place	Iceland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power control Land mobile radio cellular systems Interference Peak to average power ratio Frequency conversion OFDM modulation Multiaccess communication Frequency domain analysis Signal to noise ratio Land mobile radio
Content Type	Text
Resource Type	Article

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