Super G (wireless networking)
Encyclopedia
Super G is Atheros
Atheros
Qualcomm Atheros is a developer of semiconductors for network communications, particularly wireless chipsets. Founded under the name Atheros in 1998 by experts in signal processing from Stanford University, the University of California, Berkeley and the private industry, it became a public company...

' proprietary frame-bursting
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 data transfer throughput.-Description:...

, compression
Data compression
In computer science and information theory, data compression, source coding or bit-rate reduction is the process of encoding information using fewer bits than the original representation would use....

 and channel bonding
Channel bonding
Channel bonding is a computer networking arrangement in which two or more network interfaces on a host computer are combined for redundancy or increased throughput....

 technology
Technology
Technology is the making, usage, and knowledge of tools, machines, techniques, crafts, systems or methods of organization in order to solve a problem or perform a specific function. It can also refer to the collection of such tools, machinery, and procedures. The word technology comes ;...

 to improve IEEE 802.11g wireless LAN
Wireless LAN
A wireless local area network links two or more devices using some wireless distribution method , and usually providing a connection through an access point to the wider internet. This gives users the mobility to move around within a local coverage area and still be connected to the network...

 performance. The throughput
Throughput
In communication networks, such as Ethernet or packet radio, throughput or network throughput is the average rate of successful message delivery over a communication channel. This data may be delivered over a physical or logical link, or pass through a certain network node...

 transmission speed
Bit rate
In telecommunications and computing, bit rate is the number of bits that are conveyed or processed per unit of time....

 limit when using Super G is claimed to be up to 40Mbit/s-60Mbit/s at a 108Mbit/s signaling rate
Data signaling rate
In telecommunication, data signaling rate , also known as gross bit rate, is the aggregate rate at which data pass a point in the transmission path of a data transmission system.Notes:#The DSR is usually expressed in bits per second....

, which is achieved through the bonding of two 54Mbit/s 802.11g channels.

Other vendors have marketed Super G products as 108G Technology, 108Mbit/s 802.11g, and Xtreme G. Manufacturers that have licensed Super G technology from Atheros include Airlink 101, Clipsal
Clipsal
Clipsal is an Australian brand of electrical accessories. The main factory was located at Bowden, but it was announced in 2008 that a move would be made to a new site, located at Gepps Cross. The move took place in 2009. Clipsal also boasts smaller factories in Nuriootpa, Strathalbyn and Wingfield...

, D-Link
D-Link
D-Link Corporation was founded in June 1986 in Taipei as Datex Systems Inc. It began as a network adapter vendor and has gone on to become a designer, developer, and manufacturer of networking solutions for both the consumer and business markets.In 2007, it was the leading networking company in...

, Intelbras, Netgear
Netgear
Netgear is a U.S. manufacturer of computer networking equipment and other computer hardware....

, Nortel Networks, Planex, SMC
SMC
-Technology:* Secure multiparty computation, a cryptography problem* Secure Managed Client, a centrally managed discless solution for PCs* SMC connector, used in radio-frequency circuits* Sliding mode control* Self-modifying code* SmartMedia Card...

, Sony
Sony
, commonly referred to as Sony, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan and the world's fifth largest media conglomerate measured by revenues....

, TRENDnet, SparkLAN, Toshiba
Toshiba
is a multinational electronics and electrical equipment corporation headquartered in Tokyo, Japan. It is a diversified manufacturer and marketer of electrical products, spanning information & communications equipment and systems, Internet-based solutions and services, electronic components and...

 and ZyXEL
ZyXEL
ZyXEL Communications Corp. , located in Hsinchu, Taiwan, is a manufacturer of DSL and other networking devices. . With headquarters in Taiwan, ZyXEL maintains branch offices in North America, Europe, and Asia...

. In general, Super G products from different vendors are all interoperable
Interoperability
Interoperability is a property referring to the ability of diverse systems and organizations to work together . The term is often used in a technical systems engineering sense, or alternatively in a broad sense, taking into account social, political, and organizational factors that impact system to...

 in Super G mode.

Non-standard channel bonding extensions to 802.11g, such as Super G, have been criticized for creating interference
Interference (communication)
In communications and electronics, especially in telecommunications, interference is anything which alters, modifies, or disrupts a signal as it travels along a channel between a source and a receiver. The term typically refers to the addition of unwanted signals to a useful signal...

 on all Wi-Fi
Wi-Fi
Wi-Fi or Wifi, is a mechanism for wirelessly connecting electronic devices. A device enabled with Wi-Fi, such as a personal computer, video game console, smartphone, or digital audio player, can connect to the Internet via a wireless network access point. An access point has a range of about 20...

 channels, potentially causing issues with other wireless
Wireless
Wireless telecommunications is the transfer of information between two or more points that are not physically connected. Distances can be short, such as a few meters for television remote control, or as far as thousands or even millions of kilometers for deep-space radio communications...

 devices in the band such as neighboring wireless network
Wireless network
Wireless network refers to any type of computer network that is not connected by cables of any kind. It is a method by which homes, telecommunications networks and enterprise installations avoid the costly process of introducing cables into a building, or as a connection between various equipment...

s, cordless telephone
Cordless telephone
A cordless telephone or portable telephone is a telephone with a wireless handset that communicates via radio waves with a base station connected to a fixed telephone line, usually within a limited range of its base station...

s, baby monitor
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. The transmitter unit, equipped with a microphone, is placed near to the child. It transmits the sounds the baby makes by radio waves to a receiver unit with a speaker carried by, or...

s, and Bluetooth
Bluetooth
Bluetooth is a proprietary open wireless technology standard for exchanging data over short distances from fixed and mobile devices, creating personal area networks with high levels of security...

 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.

Super G is one of several competing proprietary approaches that were developed to increase performance of 802.11g wireless devices, such as 125 High Speed Mode
125 High Speed Mode
125 High Speed Mode is Broadcom's proprietary frame-bursting and compression technology to improve 802.11g wireless LAN performance...

 from Broadcom
Broadcom
Broadcom Corporation is a fabless semiconductor company in the wireless and broadband communication business. The company is headquartered in Irvine, California, USA. Broadcom was founded by a professor-student pair Henry Samueli and Henry T. Nicholas III from the University of California, Los...

, MIMO-based extensions from Airgo Networks
Airgo Networks
Airgo Networks , is a Palo Alto, California-based company specializing in the development of multiple-input multiple-output wireless technology. Founded in 2001, Airgo is a lead proponent of the 802.11n standard....

, and Nitro
Nitro (wireless networking)
Nitro from Conexant is a proprietary 802.11g performance enhancement technology introduced in 2003 as part of the PRISM chipset...

 from Conexant
Conexant
Conexant Systems, Inc. is an American semiconductor company, formerly the semiconductor division of Rockwell International. Currently it's privately owned by Golden Gate Capital, an equity firm headquartered in San Francisco.-History:...

.

Atheros has also adopted this technology to their 802.11a/g chipsets, marketing it as Super AG.

External links

  • Super G site (dead link as at 11.11.2011)
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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