摘要
提出并实现了一种新的宽带无线IP网卡的设计方案 ,该方案采用CCK高速调制解调技术和宽带射频技术 ,在 2 4GHz频段上对高速突发数据实现了稳定可靠的传输 ;峰值数据速率为 1/ 2 / 5 .5 / 11Mb/s,可随信道情况而自适应变化 ,以取得最佳的通信性能 .在支持应用层协议时 ,网卡平均数据传输速率在5Mb/s以上 .测试结果表明基于该方案的网卡符合IEEE80 2 11b无线局域网标准 ,能支持包括FTP ,WWW和视频点播在内的各种IP业务 。
The broadband wireless IP network adapter is the hardware basis of the WLAN that plays an important role in broadband wireless access to the Internet. With CCK and advanced broadband RF technologies, a new design scheme for the adapter is presented and implemented to transmit high-speed and burst data reliably in the 2.4 GHz band. The peak data rate can vary adaptively in the range of 1, 2, 5.5 and 11 Mb/s with different channel conditions to achieve the optimal performance. The average data date can exceed 5 Mb/s to serve the application layer protocols. The application test shows that the network adapter meets the IEEE 802.11 b WLAN standard, and supports IP services including FTP, WWW and VOD.
出处
《西安电子科技大学学报》
EI
CAS
CSCD
北大核心
2002年第4期434-438,共5页
Journal of Xidian University
基金
国家"8 63"计划资助项目 (863 3 17 0 3 0 3 99)
西安西电捷通无线网络通信有限公司支持
