Code match strategy for WCDMA code tree management

Guangran Liu, Zongkai Yang, Jianhua He

    Research output: Contribution to journalArticlepeer-review

    Abstract

    OVSF (orthogonal variable spreading factor) codes in wideband code division multiple access (WCDMA) systems have been used to provide variable data rates with different bandwidth requirements. The OVSF code placement has strong impact on the utilization and blocking probability of the codes. A code match strategy is proposed, which is carried out simply because of the code not being replaced in the operation. The simulation results show that the code blocking probability and access delay are improved by the proposed strategy.

    Original languageEnglish
    Pages (from-to)23-25
    Number of pages3
    JournalHuazhong Keji Daxue Xuebao (Ziran Kexue Ban)/Journal of Huazhong University of Science and Technology (Natural Science Edition)
    Volume34
    Issue number8
    Publication statusPublished - Aug 2006

    Keywords

    • Code blocking
    • Code match strategy
    • Code placement
    • Orthogonal variable spreading factor (OVSF)

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