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High-Tech Dictionary >> Wireless
Word Definition
802.15.1
802.15.1 is an IEEE wireless technology standard based on the Bluetooth technology. It is used for short range network monitoring and control applications, which is called wireless personal area network (WPAN).
802.15.3
802.15.3 is an IEEE wireless technology standard that is used for short range network monitoring and control applications, which is called wireless personal area network (WPAN). 802.15.3 is also called UWB.
802.15.4
802.15.4 is an IEEE wireless technology standard that is used for short range network monitoring and control applications, which is called wireless personal area network (WPAN). 802.15.4 is also called Zigbee.
802.16-2004
802.16-2004, also known as 802.16d, is an IEEE standard for the fixed wireless broadband (WiMax). IEEE 802.16-2004 product profile utilizes the OFDM 256-FFT (Fast Fourier Transform) system profile. The Fixed WiMAX 802.16-2004 standard supports both time division duplex (TDD) and frequency division duplex (FDD) services -- the latter of which delivers full duplex transmissions on the same signal if desired. Mobile WiMAX will do the same.
802.16-2005
802.16-2005, also known as 802.16e, is an IEEE standard addressing mobility of wireless broadband (WiMax). IEEE 802.16-2005 is sometimes called ˇ°Mobile WiMAXˇ±, after the WiMAX forum for interoperability. 802.16-2005, based on an existing WiMax standard 802.16a, adds WiMax mobility in the 2-to-6GHz-licensed bands.
802.15
802.15 is a group of IEEE standards that specifies communications for wireless personal area networks (WPAN) based on the Bluetooth tehnologies. The current technologies included in the IEEE 802.15 family are: 802.15.1 (Bluetooth), 802.15.2 (UWB) and 802.15.4 (ZigBee).
802.16
The IEEE 802.16 refers to a group of standards that defines wireless communications between a subscriber site and a core network such as the public telephone network (PSTN) and the Internet. It is called Wireless MAN technology, which is also branded as WiMAX. This wireless broadband access standard provides the missing link for the "last mile" connection in metropolitan area networks where DSL, Cable and other broadband access methods are not available or too expensive.
802.16a
802.16a is an IEEE wireless communications specification for metropolitan area networks (MANs) as part of a set of standards known as 802.16 or WiMAX. The 802.16a standard was developed for wireless MANs operating between 2 GHz and 11 GHz at data speeds of up to 75 megabits per second (Mbps). 802.16a has been replaced by later standards in the family 802.16d (802.16-2004) and 802.16e (802.16-2005).
802.16d
802.16d, also known as 802.16-2004, is an IEEE standard for the fixed wireless broadband (WiMax). IEEE 802.16d product profile utilizes the OFDM 256-FFT (Fast Fourier Transform) system profile. The Fixed WiMAX 802.16-2004 standard supports both time division duplex (TDD) and frequency division duplex (FDD) services -- the latter of which delivers full duplex transmission on the same signal if desired.
802.16e
802.16e, also known as 802.16-2005, is an IEEE standard addressing mobility of wireless broadband (WiMax). IEEE 802.16e is sometimes called ˇ°Mobile WiMAXˇ±, after the WiMAX forum for interoperability. 802.16e, based on an existing WiMax standard 802.16a, adds WiMax mobility in the 2-to-6 GHz-licensed bands. 802.16e allows for fixed wireless and mobile Non Line of Sight (NLOS) applications primarily by enhancing the OFDMA (Orthogonal Frequency Division Multiple Access).
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