6/30/23, 8:18 AM
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`'WWiSE' Consortium, Motorola Team On Proposal For IEEE 802.11n
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`News | February 24, 2005
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`'WWiSE' Consortium, Motorola Team On Proposal For IEEE 802.11n
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`Dallas -- The World Wide Spectrum Efficiency (WWiSE) consortium, a group of 12 companies which developed a complete proposal for
`the IEEE 802.11 Task Group N (TGn), today announced a merger of technical proposals with Motorola, Inc. Motorola had previously
`developed a separate proposal but will now work as part of the WWiSE consortium on an enhanced proposal that will be submitted to
`the IEEE 802.11 TGn for consideration. TGn is chartered with developing a next-generation Wi-Fi standard capable of sustaining data
`throughput in excess of 100 Mbps. The other members of the WWiSE consortium are Airgo Networks, Broadcom Corporation, Buffalo,
`Conexant Systems, ETRI, Hughes Network Systems, Ralink Technology, Realtek, STMicroelectronics, Texas Instruments, TrellisWare
`Technologies, and Winbond Electronics.
`
`"Motorola believes the IEEE 802.11n standard is an important building block for offering connectivity to high bandwidth services in the
`home and enterprise environment," said Miguel Pellon, VP technology-standards, Motorola. "We believe our experience in making
`applications such as mobile VoIP and mobile multimedia streaming operate in handheld devices and our expertise in power saving
`mechanisms strengthen the WWiSE proposal for 802.11n."
`
`The updated WWiSE proposal will continue to build on the existing and globally adopted 20MHz channel format of the tens of millions
`of Wi-Fi devices already in use. This approach ensures support for the existing worldwide installed base, while improving the
`performance of Wi-Fi networks within the designated RF spectrum. Motorola's contributions to the revised WWiSE proposal will
`enhance the pre-existing specification by improving range, reach, and robustness for the various operating modes.
`
`Key features of the combined WWiSE proposal include:
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`1. Mandatory use of the approved, pre-existing, worldwide 20 MHz Wi-Fi channel width, assuring immediate applicability and
`deployment in all regulatory jurisdictions.
`2. Enhanced MIMO technology that enables a maximum data rate of 135 Mbps in the minimum mandatory 2 x 2 configuration and a
`single 20 MHz channel to keep implementation costs low, while greatly improving upon simple antenna additions or channel
`bonding schemes.
`3. Mandatory modes affording backwards compatibility and interoperability with existing Wi-Fi devices in the 5 GHz and 2.4 GHz
`bands to ensure strong support of legacy deployments.
`4. Enhancements that improve robustness and range for all modes of operations and data rates.
`5. Modes of operation specifically intended for mobile, battery-powered applications and devices such as handsets and cell phones.
`6. Advanced forward-error-correction coding option to facilitate maximum coverage and range, applicable in all MIMO
`configurations and channel bandwidths.
`7. Rates up to 540 Mbps, accomplished with a 4 x 4 MIMO structure and optional 40 MHz channel width (where permissible by
`regulatory bodies), provide a clear and extensible roadmap for future devices and applications.
`8. Provisions for advanced features that improve data rate and range such as beam-forming and closed loop methods.
`
`"Motorola's joining with WWiSE is a strong endorsement of the fundamental technical direction adopted by WWiSE to improve spectral
`efficiency and improve range and robustness. Their contributions enrich the proposal in a manner consistent with these objectives," said
`Jim Zyren, WWiSE spokesperson and director of marketing, wireless networking business unit, Conexant Systems. "The updated
`WWiSE proposal is now in a state that can be quickly adopted as the baseline draft standard for 802.11n."
`
`The WWiSE proposal is one of two remaining proposals set to be considered by IEEE 802.11 Task Group N at its next meeting during
`the week of March 14 in Atlanta. At this session, one proposal could be selected as the baseline for the new standard. With momentum
`growing for the WWiSE proposal, more companies are soon expected to join the effort and help support its acceptance at upcoming
`meetings.
`
`WWiSE has recently updated its Intellectual Property offer for essential patents embodied in the WWiSE proposal. It remains fully
`consistent with IEEE requirements known as RAND (Reasonable and Non-Discriminatory). WWiSE companies will offer their essential
`IP under RAND terms, the basic requirement for anyone wishing to participate in IEEE standards setting processes. Likewise, any
`company may join and support WWiSE so long as they adhere to the IEEE IP rights policies and procedures. Further information about
`WWiSE and the updated WWiSE proposal to IEEE 802.11 TGn may be found at www.wwise.org.
`
`Source: Texas Instruments
`
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