802tender80211n

802 tender.?802 11n

02.11n?802.11n?802.11n

82.11n?Wi-Fi802.11a/b/g b/g

WLANHomeRF?UWB?IEEE802.11?WLAN?1997?IEEE802.11802.11b?802.11a?802.11g?802.11e?802.11f?802.11h?802.11i?802.11j?WLAN?VoIP?VoWLAN?WLAN?

WLANWLAN802.11n?

600Mbps?

802.11nWLAN?802.11a?802.11g54Mbps300Mbps600Mbps?MIMO(?)?OFDM(?)MIMO OFDM

802.11nWLAN?WLAN?

802.11n?WLAN?WLAN?802.11n?WLAN3G?

802.11n?802.11n?IEEE?MIMO OFDMD-Link?Airgo?Bermai?Broadcom?Geer System?Atheros?Cisco?Intel

802.11nWWise(?)TGnWLAN?MIMO OFDM8?2?IEEE?802.11n

2007802.11n?2.0?IEEE2008

2009?8?13?14?2009?WLAN802.11n?WLAN802.11n

MIMO

MIMODSP

MIMO?Wi-FiMIMO?

MIMO?MIMO(?)(?)?MIMO()?MIMOMIMO?MIMO?MIMO?

MIMO?MIMO3G?()?Code Division Multiple Access(CDMA)?(crosstalk)?DSL?()?MIMO?MIMOWLANMIMOWLAN?(?802.11a?802.11b?802.11g)?;?MIMO?WLAN?MIMO

MIMO?

2009?9?11?IEEE802.11n

Wi-Fi 802.11nVoIP802.11n

IEEE?802.11n?7802.11n

1?802.11n?

802.11n

2802.11n?

802.11n600Mbps4Wi-Fi?3?450Mbps802.11b/g?60Mbps?802.11a11Mbps802.11n?

3Wi-Fi?802.11n

Wi-Fi802.11nWi-Fi?802.11n10%-15%?Wi-Fi

4?802.11n?

802.11nWi-Fi2007?802.11n?

5802.11n

6?802.11b/g

ISP?802.11n