NDLI: QoS provisioning in WCDMA cellular networks through rate and coverage adaptation

Content Provider	IEEE Xplore Digital Library
Author	Ali, K.A. Hassanein, H.S. Mouftah, H.T.
Copyright Year	2008
Description	Author affiliation: Sch. of Comput., Queen's Univ., Kingston, ON (Hassanein, H.S.) \|\| Sch. of Info. Tech. & Eng., Ottawa Univ., Ottawa, ON (Mouftah, H.T.) \|\| Elec.& Comp. Eng., Queen's Univ., Kingston, ON (Ali, K.A.)
Abstract	Our previous work proposed a novel mechanism for coverage control in WCDMA systems that can be used in instances of congestion and load imbalance. In this paper, we expand our work to accommodate the heterogeneous nature of traffic in future networks. More importantly, we derive a mathematical model to involve more realistic considerations for inter-cell interference in a system with mixed coverage. Based on different load scenarios in a hotspot area and different coverage combinations of the loaded and supporting sectors, the model is used to quantify the degradation level in the QoS parameters of low priority traffic to preserve the QoS level of high priority traffic. Achievable data rates and Bit Error Rates (BER) are determined for every possible coverage combination. The effect of rate and coverage adaptation on the transmission powers of mobile users is also analyzed.
Starting Page	661
Ending Page	666
File Size	502279
Page Count	6
File Format	PDF
ISBN	9781424424122
DOI	10.1109/LCN.2008.4664262
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-14
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Mobile communication Quality of service Interference Multiaccess communication Spread spectrum communication Bit error rate Mathematical model
Content Type	Text
Resource Type	Article

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