摘要
MIMO-OFDM是下一代高速无线局域网标准IEEE 802.11n的核心技术。将MIMO技术和OFDM技术结合是无线通信领域智能天线技术的重大突破。MIMO技术能够在空间中产生独立的并行信道同时传输多路数据流,有效地提高了系统的传输速率;而OFDM技术具有优越的抗多径能力和频谱利用率,将两者结合能有效地解决无线通信中带宽效率和多径衰落的问题。在介绍MIMO和OFDM技术的基础上,着重讨论了其在应用中的关键技术。
MIMO- OFDM is the core technology of the next generation WLAN. MIMO technology is able to capitalize on the multiple parallel pipes,improving the data rate. And OFDM is very robust to typical multipath fading. OFDM may be combined with MIMO to solve the problem about bandwidth and multipath fading on the wireless communication. This paper mainly discusses the key technology about MIMO - OFDM using.
出处
《现代电子技术》
2007年第10期131-132,136,共3页
Modern Electronics Technique
