Homework4 3-18-2006
Why are the wireless application mentioned above not doable by GPRS/3G, or Wi-Fi in terms of their specifications?
隨著硬體的進步與軟體的發展更多需要高頻寬的應用程式如高畫質VIDEO或電視轉播還有VOIP的高音質我們可預期的無法利用GPRS/3G來傳輸而Wi-Fi又有距離與移動上的問題所以這應該就是WIMAX會推行的原因.
作業發表
Why are the wireless application mentioned above not doable by GPRS/3G, or Wi-Fi in terms of their specifications?
Name a VoIP company and study its profit model. How can you imrpove their profitability?