NEC N8开创了双彩屏的先河,这也预示着手机发展新的方向。中桥公司把准这一市场脉搏,推出了一款双彩屏手机OSSA88。这是一款台湾著名品牌G PLUS K887的贴牌产品。从外形设计上可以感觉出浓浓的“宝岛气息”,而81×40×21(毫米)...NEC N8开创了双彩屏的先河,这也预示着手机发展新的方向。中桥公司把准这一市场脉搏,推出了一款双彩屏手机OSSA88。这是一款台湾著名品牌G PLUS K887的贴牌产品。从外形设计上可以感觉出浓浓的“宝岛气息”,而81×40×21(毫米)的大小让人有一种亭亭玉立的美感。中间的椭圆形金属盘中镶嵌着小巧别致的256色外屏。展开更多
To decrease the transmission delay of uplink voice over IP(VoIP)services in IEEE 802.16e sys-tem,a novel strategy which includes a load-balance algorithm and an extended earliest deadline first(EEDF)scheduling algorit...To decrease the transmission delay of uplink voice over IP(VoIP)services in IEEE 802.16e sys-tem,a novel strategy which includes a load-balance algorithm and an extended earliest deadline first(EEDF)scheduling algorithm is proposed.Subsequently,this paper analyzes the performance of the pro-posed strategy in terms of transmission delay of VoIP services,system capacity,throughput and compati-bility with IEEE 802 .16e standard.Finally,simulation experiments are carried out to verify the improve-ment of the proposed strategy.The simulation results match well with the theoretical analysis and showthat the proposed strategy reduces the transmission delay of uplink VoIP services and improves the capaci-ty and throughput.These improvements are remarkable especially when the load of system is heavy.展开更多
文摘NEC N8开创了双彩屏的先河,这也预示着手机发展新的方向。中桥公司把准这一市场脉搏,推出了一款双彩屏手机OSSA88。这是一款台湾著名品牌G PLUS K887的贴牌产品。从外形设计上可以感觉出浓浓的“宝岛气息”,而81×40×21(毫米)的大小让人有一种亭亭玉立的美感。中间的椭圆形金属盘中镶嵌着小巧别致的256色外屏。
基金supported by the High Technology Research and Development Programme of China(No.2006AA01Z235)
文摘To decrease the transmission delay of uplink voice over IP(VoIP)services in IEEE 802.16e sys-tem,a novel strategy which includes a load-balance algorithm and an extended earliest deadline first(EEDF)scheduling algorithm is proposed.Subsequently,this paper analyzes the performance of the pro-posed strategy in terms of transmission delay of VoIP services,system capacity,throughput and compati-bility with IEEE 802 .16e standard.Finally,simulation experiments are carried out to verify the improve-ment of the proposed strategy.The simulation results match well with the theoretical analysis and showthat the proposed strategy reduces the transmission delay of uplink VoIP services and improves the capaci-ty and throughput.These improvements are remarkable especially when the load of system is heavy.