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    ASIA unversity > 資訊學院 > 資訊工程學系 > 期刊論文 >  Item 310904400/18586


    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/18586


    Title: Utilization Optimization for OVSF Multi-code Assignment in WCDMA Networks
    Authors: 陳瑞奇;Chen, Jui-Chi;黃惠藩;Ng, Hui-Fuang;林新力;Lin, Hsin-Li
    Contributors: 資訊工程學系
    Keywords: mobile networks;WCDMA;OVSF code;multi-code
    Date: 2007-12
    Issue Date: 2012-11-26 13:55:37 (UTC+8)
    Abstract: Radio resources, such as WCDMA OVSF codes, are scarce and valuable in cellular mobile networks, necessitating the need for their efficient use by network operators. Many OVSF code-assignment schemes for WCDMA networks have been widely studied. This paper proposes an evaluation model to accurately predict OVSF multi-code assignment performance in WCDMA networks. Theoretical and simulation results indicate that the proposed analytical model works to evaluate the multi-code assignment performance. Two important performance measures, call blocking probability (CBP) and bandwidth utilization (BU), are then adopted to solve a utilization optimization problem for WCDMA network planning and re-planning. The optimization problem applies a given traffic statistic and a specified maximum CBP constraint to maximize the BU by discovering the optimal number of basic-rate codes in a Node-B. Consequently, the operators will be able to use the results to deploy their codes flexibly, and to improve their profitability.
    Relation: Asian Journal of Health and Information Sciences,2(1-4):49-65.
    Appears in Collections:[資訊工程學系] 期刊論文

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