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802 and .
The first recorded use of the term Bretwalda comes from a West Saxon chronicle of the late 9th century that applied the term to Ecgberht, who ruled from 802 to 839.
According to the 802. 16-2004 standard, broadband means " having instantaneous bandwidths greater than 1 MHz and supporting data rates greater than about 1. 5 Mbit / s.
Legend has it that in 802 CE, Jayavarman II, king of the Khmers, first came to the Kuhlen hills, the future site of Angkor Wat.
If precise dates are required, the beginning may be set in 802 AD, when the founder of the Khmer Empire, Jayavarman II pronounced himself universal monarch ( chakravartin ) and declared independence from Java, and the end may be set in 1431 AD, when Thai invaders from the kingdom of Ayutthaya sacked Angkor and caused the Khmer elite to migrate to Phnom Penh.
* Chirp Spread Spectrum, a modulation concept, part of the standard IEEE 802. 15. 4aCSS
A 2011 estimate shows an increase to 100, 802.
As DECT and do not operate in the ISM band, they are not subject to the nor cause interference arising in this band from its use by 802. 11b and 802. 11g Wi-Fi, and cordless phones.
Ethernet was commercially introduced in 1980 and standardized in 1985 as IEEE 802. 3.
Ingrid Fromm, Siemens ' representative to IEEE 802, quickly achieved broader support for Ethernet beyond IEEE by the establishment of a competing Task Group " Local Networks " within the European standards body ECMA TC24.
As early as March 1982 ECMA TC24 with its corporate members reached agreement on a standard for CSMA / CD based on the IEEE 802 draft.
Because the DIX proposal was most technically complete and because of the speedy action taken by ECMA which decisively contributed to the conciliation of opinions within IEEE, the IEEE 802. 3 CSMA / CD standard was approved in December 1982.
IEEE published the 802. 3 standard as a draft in 1983 and as a standard in 1985.
Approval of Ethernet on the international level was achieved by a similar, cross-partisan action with Fromm as liaison officer working to integrate International Electrotechnical Commission, TC83 and International Organization for Standardization ( ISO ) TC97SC6, and the ISO / IEEE 802 / 3 standard was approved in 1984.
As with other IEEE 802 LANs, each Ethernet station is given a 48-bit MAC address.

802 and was
The IEEE 802. 15. 2-2003 standard was published in 2003 and task group two went into " hibernation ".
IEEE 802. 15. 3a was an attempt to provide a higher speed UWB PHY enhancement amendment to IEEE 802. 15. 3 for applications which involve imaging and multimedia.
IEEE 802. 15. 3b-2005 amendment was released on May 5, 2006.
IEEE 802. 15. 3c-2009 was published on September 11, 2009.
The IEEE 802. 15. 3 Task Group 3c ( TG3c ) was formed in March 2005.
The first edition of the 802. 15. 4 standard was released in May 2003.
IEEE 802. 15. 4b was approved in June 2006 and was published in September 2006 as IEEE 802. 15. 4-2006.
The IEEE 802. 15 task group 4b was chartered to create a project for specific enhancements and clarifications to the IEEE 802. 15. 4-2003 standard, such as resolving ambiguities, reducing unnecessary complexity, increasing flexibility in security key usage, considerations for newly available frequency allocations, and others.
IEEE 802. 15. 4c was approved in 2008 and was published in January 2009.
The IEEE 802. 15 Task Group 4d was chartered to define an amendment to the existing standard 802. 15. 4-2006.
) The number 802 was simply the next free number IEEE could assign, though “ 802 ” is sometimes associated with the date the first meeting was held — February 1980.

802 and first
The first faction argued that, since IEEE 802. 3 was the Ethernet committee, it was not the place to develop a different protocol.
The Angkorian period began in AD 802, when the Khmer Hindu monarch Jayavarman II declared himself a " universal monarch " and " god-king ", until 1351, when Angkor first fell under Ayutthayan suzerainty, to 1431, when Ayutthaya put down a rebellion and sacked the Khmer capital, causing its population to migrate south to Longvek.
In the Byzantine Empire a tax on hearths known as kapnikon was first explicitly mentioned for the reign of Nicephorus I ( 802 – 811 ) although its context implies that it was already then old and established and perhaps it should be taken back to the 7th century AD.
This field was first defined by the Ethernet II framing networking standard, and later adapted for the IEEE 802. 3 Ethernet networking standard.
Planning for the first version of the standard, called HiperLAN / 1, started 1991, when planning of 802. 11 was already going on.
The first Viking raid on Anglo-Saxon England is thought to have been between AD 786 and 802 at Portland in the Kingdom of Wessex, when three Norse ships arrived and killed King Beorhtric's reeve.
The temple was first built in 802.
While BEA continued taking delivery of additional Viscount 701s, it placed its first order for 12 larger, 66-to 68-seat Viscount 802 / 806s.
After the events related in The Time Machine, the Time Traveller ( his first name, Moses, is given in the novel but applied to the Time Traveller's younger self ) prepares, in 1891, to return to the year 802, 701 and save Weena, the Eloi who died in the fire with the Morlocks.
The first specific thing that is known about the fate of these Slavs and Avars, is the existence of the Moravian and Nitrian principalities in the late eighth century which were attacking the Avars, and the defeat of the Avars by the Franks under Charlemagne in 799 or 802 – 3, after which the Avars quickly ceased to exist.
" He gained his first central government position in 802, but was soon exiled ; seemingly for failing to support the heir apparent's faction ( other possible reasons are because of his criticism of the misbehaviour of the emperor's servants or his request for reduction of taxes during a famine ).
In 802 AD, the first king of Angkor Jayavarman II declared the sovereignty of Cambodia.

802 and wireless
The IEEE 802. 15. 4f Active RFID System Task Group is chartered to define new wireless Physical ( PHY ) layer ( s ) and enhancements to the 802. 15. 4-2006 standard MAC layer which are required to support new PHY ( s ) for Active RFID System bi-directional and location determination applications.
IEEE 802. 15. 5 provides the architectural framework enabling WPAN devices to promote interoperable, stable, and scalable wireless mesh networking.
IEEE 802. 11 is a set of standards for implementing wireless local area network ( WLAN ) computer communication in the 2. 4, 3. 6 and 5 GHz frequency bands.
The dramatic increase in throughput of 802. 11b ( compared to the original standard ) along with simultaneous substantial price reductions led to the rapid acceptance of 802. 11b as the definitive wireless LAN technology.
Like 802. 11b, 802. 11g devices suffer interference from other products operating in the 2. 4 GHz band, for example wireless keyboards.
Most ISPs are small Bamako based providers with a VSAT connection, a cyber cafe and use wireless systems ( Alviron, 802. 11a, b, g, Motorola ) to share their service with their clients.
The Pismo revision also brought AirPort wireless networking capability ( 802. 11b ), which had debuted in Apple's iBook in July 1999.
During the mid to late 1980s this was the dominant 10 Mbit / s Ethernet standard, but due to the immense demand for high speed networking, the low cost of Category 5 Ethernet cable, and the popularity of 802. 11 wireless networks, both 10BASE2 and 10BASE5 have become increasingly obsolete, but still exist in some locations.
For example, a IEEE 802. 11n wireless router with N antennas makes it possible to communicate with N multiplexed channels, each with a peak bit rate of 54 Mbit / s, thus increasing the total peak bit rate with a factor N. Different antennas would give different multi-path propagation ( echo ) signatures, making it possible for digital signal processing techniques to separate different signals from each other.
The wireless LAN standard, IEEE 802. 11b-1999, uses a variety of different PSKs depending on the data-rate required.
The higher-speed wireless LAN standard, IEEE 802. 11g-2003 has eight data rates: 6, 9, 12, 18, 24, 36, 48 and 54 Mbit / s.
A similar technology, IEEE 802. 15. 4 ( the wireless standard used by ZigBee ) also relies on PSK.
Example applications include commercial wireless standards such as Wi-Fi ( IEEE 802. 11 ), WiMAX ( IEEE 802. 16 ) and LTE, in addition to military standards such as those specified in the Joint Tactical Radio System ( JTRS ) initiative.
* Chirp Spread Spectrum-A part of the wireless telecommunications standard IEEE 802. 15. 4a CSS ( see Chirp Spread Spectrum ( CSS ) PHY Presentation for IEEE P802. 15. 4a ).
In January 2009 a task force for visible light communication was formed by the Institute of Electrical and Electronics Engineers working group for wireless personal area network standards known as IEEE 802. 15. 7.
* IEEE 802. 11e is an approved amendment to the IEEE 802. 11 standard that defines a set of quality-of-service enhancements for wireless LAN applications through modifications to the Media Access Control ( MAC ) layer.

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