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    ASIA unversity > 資訊學院 > 資訊工程學系 > 期刊論文 >  Item 310904400/8694


    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/8694


    Title: An adaptive load balance allocation strategy for small antenna based wireless networks
    Authors: Chen, Jong-Shin;Wang, Neng-Chung;Hong, Zeng-Wen;Chang, Young-Wei
    Contributors: Department of Computer Science and Information Engineering
    Keywords: Antennas;Wireless telecommunication systems -Allocation strategy;Carrying capacity;Handhelds;Heavy traffics;Light traffic;Limited bandwidth;Load balance;Rapid development;Rapid growth;Simulation result;Small antenna;System Capacity;System codes;Technological advances;Traffic loads;Wireless communications;Wireless terminals
    Date: 2009
    Issue Date: 2010-04-07 21:27:26 (UTC+8)
    Publisher: Asia University
    Abstract: Nowadays IEEE 802.11 family is the most popular technology amongst wireless protocols including Bluetooth, UWB and WiMAX for wireless services, among which media streaming such as voice over Internet Protocol (VoIP) and IPTV are most demanded with high challenge. To accommodate the QoS issues, EDCA and HCCA functions are defined in IEEE 802.11e. However, EDCA provides QoS based on probability, so it is still unable to fulfill the requirements of time sensitive applications such as VoIP. In this study, we focus on HCCA polling scheme. We design a new time-based polling scheduler called Adaptive Time-Stamp Polling (ATSP) scheme for QoS improvement, as well as design a mechanism that detects silence mode of a VoIP conversation so as to reduce the frequency of polling silent stations. When the station comes back to talk-spurt mode, we revert to the original frequency to poll. Simulation results show that our scheme improves the QoS on throughput, jitter, and access delay significantly.
    Relation: WSEAS Transactions on Communications 8:588-597
    Appears in Collections:[資訊工程學系] 期刊論文

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