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Glossary
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1XEV-DO
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1XEV-DO (Data Only)
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1XEV-DV
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1XEV-DV (Data & Voice)
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2.5G
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Between the second and third generations of wireless technology. Usually identified as GPRS.
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2G
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The second generation of wireless technology. Usually identified as GSM.
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3G
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Third generation of wireless technology. Usually identified as UMTS.
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3GA
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3G Americas
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3GPP
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Third Generation Partnership Project
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3GPP2
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Third Generation Partnership Project 2
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4G
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Fourth Generation
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802.11
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A family of IEEE standards for wireless LANs that were designed to extend 802.3 (wired Ethernet) into the wireless domain. The 802.11 standard is more widely known as "Wi-Fi" because the Wi-Fi Alliance, an organization independent of IEEE, provides certification for products that conform to 802.11
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802.11e
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Quality of service (QoS) extensions to the 802.11 protocol. It enables realtime audio and video streams to be given a higher priority over regular data.
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802.11n
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An IEEE 802.11 wireless network standard that increases transmission speeds to 100 Mbps and beyond. Expected in 2008, 802.11n can handle legacy 11a, 11b and 11g transmission in a mixed mode or only 11n nodes for maximum performance. Both the 2.4GHz and 5GHz frequency bands are supported.
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802.11x
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Refers to all the 802.11 standards. See 802.11
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802.16
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A family of IEEE standards for wireless broadband access (BWA). Approved in 2002, and also known as "WiMAX," 802.16, provides up to 70 Mbps of shared point-to-multipoint transmission in the 10 to 66GHz frequency bands as far as 37 miles.
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802.16-2004
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Fixed WiMAX Using the 2 to 11GHz frequencies which can penetrate walls and other dense objects, 802.16-2004 provides transmission to stationary devices and replaces prior 802.16 and 802.16a specifications. Higher frequencies require line of sight. 802.16-2004 was previously 802.16d.
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802.16e
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Mobile WiMAX: 802.16e is an extension of 802.16-2004 for mobile use in the 2 to 6GHz band. It allows people to communicate while walking or riding in cars and provides a mobile voice over IP (VoIP) and higher-speed data alternative to the cellular networks (GSM, TDMA, CDMA).
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802.20
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A working group from the IEEE that is expected to develop a mobile wireless standard similar to 802.16e. Although the 802.20 group was established before 802.16e was standardized, it is expected to yield a complementary technology, not a competing one. For example, people walking and riding in cars may use 802.16e, while users in high-speed trains might require 802.20
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