寬頻無線網路(Broadband Wireless Access /BWA)是目前通訊技術發展的重點，此篇的論文是以無線網路IEEE 802.16為主要的一個研究方向，也就是WiMAX全球微波存取互通介面（Worldwide interoperability of microwave access）。本篇文章為提出一個彈性頻寬配置方法，以達有效增加IEEE802.16e於網路語音服務連線容量。由於語音服務或稱為網路語音(Voice over IP/VoIP)應用於IEEE 802.16時，一般是以非請求的頻寬分配方法(Unsolicited Grant Service/UGS)，以確保即時的語音連線可以得到固定的連線頻寬並獲得保障，或者是採用增強的即時輪詢服務(Extended real-time Polling Service /ertPS)以靜音壓縮不定速率方式來完成語音傳輸。但當使用者於不同的無線傳輸通道品質(channel state)時，為維持固定的連線頻寬，將導致較差通道品質的連線因而佔用系統較多的資源。因此資源頻寬都用完時，一般用連線數量控制(Call Admission Control /CAC)將無法再提供資源給使用者用。因有此問題故改用本篇論文研究方法採用語音頻寬彈性配置方式，將訊號不佳且佔用較多頻寬資源的使用者挪一些頻寬資源分配給予新使用者，就是將QPSK之接收頻寬挪用它的資源給64QAM新加入的連線頻寬使用以達可以服務更多的連線使用，也就是頻寬資源的有效利用。因改用彈性的頻寬資源配置方法來完成語音傳輸機制，前提是要能維持通話品質在可接受的程度下。利用這種彈性調整配置，可以將節省下來的頻寬分配給予其他新的連線者，達有效增加語音服務連線容量，將此方法稱為有效增加IEEE802.16e網路語音服務連線容量之彈性頻寬配置法。

BWA (Broadband Wireless Access) is one of the mainstreams in recent communication development。This article focuses on IEEE802.16 or WIMAX (Worldwide interoperability of microwave access)。A flexible bandwidth distribution mechanism is proposed to increase the accommodation of trafficking voice communication。In IEEE802.16，UGS (Unsolicited Grant Service ) is used to vehicle Voice over IP communication by giving fixed bandwidth. ertPS (Extended real-time Polling Service /ertPS) is another popular tactic to use Silence Compression with variable compression rates to maximize the efficiency。The fundamental protocol of IEEE 802.16’s is to keep everyone connected，regardless of their quality of channel state。The protocols will inherently sparing more bandwidth resources for those transmissions with bad signal quality。In consequences， the crowded bandwidth would hardly accommodate any new users。A more flexible approach is proposed to re-allocate the bandwidth from the low quality transmission to new users。The bandwidth distribution is now more for the users with accepted signal quality，instead of granting everyone equally regardless their signal quality。In this way，Enhanced the Resource Allocation Mechanism of 802.16e to Increase VoIP Connection Capacity。

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