Super G is a proprietary method to increase the throughput of an

IEEE 802.11g IEEE 802.11g-2003 or 802.11g is an amendment to the IEEE 802.11 specification that operates in the 2.4 GHz microwave band. The standard has extended throughput to up to 54 Mbit/s using the same 20 MHz bandwidth as 802.11b uses to achieve 11 Mbit/ ...

(Wi-Fi)

wireless LAN A wireless LAN (WLAN) is a wireless computer network that links two or more devices using wireless communication to form a local area network (LAN) within a limited area such as a home, school, computer laboratory, campus, or office building ...

Atheros Qualcomm Atheros is a developer of semiconductor chips for network communications, particularly wireless chipsets. Founded under the name T-Span Systems in 1998 by experts in signal processing and VLSI design from Stanford University, the Univ ...

uses

frame-bursting Frame-bursting is a communication protocol feature used at the link layer in communication networks to alter the transmission characteristics in order to benefit from higher throughput. It is a technique sometimes used in communication protocol ...

compression Compression may refer to: Physical science *Compression (physics), size reduction due to forces *Compression member, a structural element such as a column *Compressibility, susceptibility to compression *Gas compression *Compression ratio, of a c ...

, and

channel bonding In computer networking, link aggregation is the combining ( aggregating) of multiple network connections in parallel by any of several methods, in order to increase throughput beyond what a single connection could sustain, to provide redundan ...

technology to improve performance. The

throughput Network throughput (or just throughput, when in context) refers to the rate of message delivery over a communication channel, such as Ethernet or packet radio, in a communication network. The data that these messages contain may be delivered ov ...

transmission speed In telecommunications and computing, bit rate (bitrate or as a variable ''R'') is the number of bits that are conveyed or processed per unit of time. The bit rate is expressed in the unit bit per second (symbol: bit/s), often in conjunction ...

limit when using Super G is claimed to be up to 40

Mbit/s In telecommunications, data-transfer rate is the average number of bits ( bitrate), characters or symbols ( baudrate), or data blocks per unit time passing through a communication link in a data-transmission system. Common data rate units are mul ...

-60 Mbit/s at a 108 Mbit/s signaling rate, which is achieved through the bonding of two 54 Mbit/s 802.11g channels.

Vendors

Other vendors have marketed Super G products as 108G Technology, 108 Mbit/s 802.11g,

Xpress technology Xpress technology is Broadcom's standards-based frame-bursting approach to improve 802.11 wireless LAN performance. It is a software-based implementation of the frame-bursting originally in the IEEE 802.11e draft specification, and is found in t ...

and Xtreme G. Manufacturers that have licensed Super G technology from Atheros include Airlink 101,

Clipsal Clipsal is an Australian brand of electrical accessories. Their primary factory, once located at Bowden, moved to Gepps Cross, South Australia. Smaller factories in South Australia at Nuriootpa, Strathalbyn, Wingfield, Bayswater and in Victor ...

D-Link D-Link Corporation is a Taiwanese multinational networking equipment manufacturing corporation headquartered in Taipei, Taiwan. It was founded in March 1986 in Taipei as ''Datex Systems Inc.'' History D-Link Corporation changed its name f ...

, Intelbras, LevelOne, Netgear,

Nortel Networks Nortel Networks Corporation (Nortel), formerly Northern Telecom Limited, was a Canadian Multinational corporation, multinational telecommunications and data networking equipment manufacturer headquartered in Ottawa, Ontario, Canada. It was foun ...

, Planex, SMC,

Sony , commonly stylized as SONY, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan. As a major technology company, it operates as one of the world's largest manufacturers of consumer and professional ...

TRENDnet TRENDnet is a global manufacturer of computer networking products headquartered in Torrance, California, in the United States. It sells networking and surveillance products especially in the small to medium business (SMB) and home user market seg ...

, SparkLAN,

Toshiba , commonly known as Toshiba and stylized as TOSHIBA, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan. Its diversified products and services include power, industrial and social infrastructure systems ...

and

ZyXEL Zyxel Communications Corporation, a subsidiary of Unizyx Holding Corporation (), is a Taiwanese multinational broadband provider headquartered in the Hsinchu Science Park, Taiwan. The company was founded in 1989 by Dr Shun-I Chu, and has three r ...

. In general, Super G products from different vendors are all

interoperable Interoperability is a characteristic of a product or system to work with other products or systems. While the term was initially defined for information technology or systems engineering services to allow for information exchange, a broader defi ...

in Super G mode.

Interference

Non-standard channel bonding extensions to 802.11g such as Super G, have been criticized for creating

interference Interference is the act of interfering, invading, or poaching. Interference may also refer to: Communications * Interference (communication), anything which alters, modifies, or disrupts a message * Adjacent-channel interference, caused by extra ...

on all

Wi-Fi Wi-Fi () is a family of wireless network protocols, based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio w ...

channels, potentially causing issues with other

wireless Wireless communication (or just wireless, when the context allows) is the transfer of information between two or more points without the use of an electrical conductor, optical fiber or other continuous guided medium for the transfer. The mos ...

devices that use the

band Band or BAND may refer to: Places *Bánd, a village in Hungary * Band, Iran, a village in Urmia County, West Azerbaijan Province, Iran * Band, Mureș, a commune in Romania * Band-e Majid Khan, a village in Bukan County, West Azerbaijan Province, ...

, such as neighboring

wireless network A wireless network is a computer network that uses wireless data connections between network nodes. Wireless networking is a method by which homes, telecommunications networks and business installations avoid the costly process of introducing c ...

cordless telephone A cordless telephone or portable telephone has a portable telephone handset that connects by radio to a base station connected to the public telephone network. The operational range is limited, usually to the same building or within some shor ...

baby monitor A baby monitor, also known as a baby alarm, is a radio system used to remotely listen to sounds made by an infant. An audio monitor consists of a transmitter unit, equipped with a microphone, placed near to the child. It transmits the sounds b ...

s, and

Bluetooth Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). In the most widely used mode, transmission power is limit ...

devices. However, Atheros claims that in real-world scenarios with physical separation and walls, closely located networks will not experience any interference from a Super G network.

Alternatives

Atheros has also adapted this technology to their 802.11a/g chipsets, marketing it as Super AG. Super G is one of several competing incompatible

proprietary extension "Embrace, extend, and extinguish" (EEE), also known as "embrace, extend, and exterminate", is a phrase that the United States Department of Justice, U.S. Department of Justice found that was used internally by Microsoft to describe its strategy for ...

approaches that were developed to increase performance of 802.11g wireless devices, such as

125 High Speed Mode Broadcom Inc. is an American designer, developer, manufacturer and global supplier of a wide range of semiconductor and infrastructure software products. Broadcom's product offerings serve the data center, networking, software, broadband, wirel ...

from

Broadcom Broadcom Inc. is an American designer, developer, manufacturer and global supplier of a wide range of semiconductor and infrastructure software products. Broadcom's product offerings serve the data center, networking, software, broadband, wirel ...

MIMO In radio, multiple-input and multiple-output, or MIMO (), is a method for multiplying the capacity of a radio link using multiple transmission and receiving antennas to exploit multipath propagation. MIMO has become an essential element of w ...

-based extensions from

Airgo Networks Airgo Networks (formerly Woodside Networks), is a Palo Alto, California-based company specializing in the development of multiple-input multiple-output (MIMO) wireless technology. Airgo Networks was founded in 2001 by Gregory Raleigh, V.K. Jones, ...

, and Nitro from

Conexant Conexant Systems, Inc. was an American-based software developer and fabless semiconductor company that developed technology for voice and audio processing, imaging and modems. The company began as a division of Rockwell International, before bei ...

References

External links

{{Wikibooks, Wifi
wifi services in dubai
(original site is dead link as of 11.11.2011) IEEE 802.11 Proprietary hardware Proprietary software

Vendors

Interference

Alternatives

See also

References

External links