Power control algorithms for soft handoff users in UMTS

This paper presents different strategies of power control in a UMTS FDD system applied to user in soft handoff. The strategy defined in the 3GPP standard is analyzed and compared to an improved strategy aiming at limiting the additional interference generated by soft handoff. It is shown how the pro...

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Bibliographic Details
Main Authors: Blaise, F., Elicegui, L., Goeusse, F., Vivier, G.
Format: Conference Proceeding
Language:English
Subjects:
3G mobile communication
Analytical models
Base stations
Computational modeling
Downlink
Frequency division multiaccess
Interference
Multiaccess communication
Power control
Time division multiple access
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Description
Summary:This paper presents different strategies of power control in a UMTS FDD system applied to user in soft handoff. The strategy defined in the 3GPP standard is analyzed and compared to an improved strategy aiming at limiting the additional interference generated by soft handoff. It is shown how the proposed algorithm could be implemented in the current release of UMTS with little adaptation. Finally, simulation results based on Monte-Carlo analysis highlight the benefit brought by the proposed method.
ISSN:1090-3038
2577-2465
DOI:10.1109/VETECF.2002.1040776