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Subject: IP: Qualcomm & GPS
>From: "Janos Gereben" <janos451@earthlink.net> >To: "jg" <janos451@earthlink.net> >Subject: Qualcomm & GPS >Date: Fri, 25 May 2001 09:47:21 -0700 >X-Mailer: Microsoft Outlook Express 5.50.4133.2400 > > Qualcomm maps out its GPS argument > > Ray Hegarty - www.the451.com > > New York - Qualcomm believes its GPS (Global Positioning >System)-integrated cellular chipset solution will prove to be the >best technology for future location based services. > > Qualcomm GPS technology integrates a GPS subsystem in a >handset placing most of the location-determination functionality >inside the phone with small changes required to wireless >infrastructure. Qualcomm CDMA Technologies senior product manager >Arnold Gum claim its gpsOne technology offers operators better >performance and lower cost, power and size advantages than >competing GPS location technologies. > > Outside the USA, the development of positioning systems has >been driven by commercial considerations. In the US location-based >technologies are poised to be of increasing relevance over the >next few months as operators struggle to meet the US Federal >Communications Commission E911 mandate. By October 1 the FCC >mandate requires US wireless carriers to automatically pinpoint >the location of emergency 911 calls made from cell phones to >within 125 meters. > > Currently, 911 calls made from cell phones are usually sent >to one of 155 public-safety answer points (PSAP). By mandating >wireless operators to provide the location of 911 calls to the >PSAPs the FCC hopes to improve emergency response times. PSAPs >have struggled to cope with the influx of calls from wireless >phones and the lack of information such devices provide compared >to landline phones. > > Accurate location information also promises to kick start >latent wireless commercial opportunities in the US. Location-based >applications are considered to be one of the cornerstones upon >which operators hope to drive data-driven traffic revenues across >their networks. Adding positioning capabilities operators can >offer their subscribers new and attractive services. Positioning >systems can also help operators optimize networks to trace >unsuccessful calls adapting networks to match calling patterns as >well as professional and private subscriber commercial services. > > It is debatable how much location based services could be >worth to operators and developers. Optimists such as >telecommunications analysis firm Strategis Group estimates that >the location-based services market will be worth $4bn by 2004 in >the US alone. Worldwide, revenue should reach more than $30bn in >the same period, it believes. Pessimists such as the Shosteck >Group think the technology is still immature and the revenue >generating opportunity limited. > > Qualcomm, which makes the chips used in CDMA phones, claims >its location accuracy is between 5-10 meters in a 'clear sky' >environment. In surburban indoor environments accuracy is 20 >meters, states Qualcomm VP for Federal government Affairs Jonas >Neihardt.. The FCC handset requirements demand 150 meter accuracy >95% of the time, 50 meter accuracy 67% of the time. > > Gum also claims gpsOne can acquire a position in under a >second outdoors while competitors can take up to 10 minutes for >the first fix. > > Qualcomm's hybrid GPS handset network solution competes with >an alternative technology called radio triangulation or >network-driven GPS-based scheme. The triangulation method uses >three or more receiving sites to monitor a call and compare signal >strength, time of arrival, and distance or angle of arrival of a >signal from a handset. Such a solution requires changes to each >base station on a network - a potentially expensive exercise, says >Gum. > > Questions remain about GPS - not least because of technical >issues involved in integrating it into a cell phone, such as size, >cost, and power consumption - but Qualcomm's Gum said Qualcomm's >current MSM 3300 silicon technology and the improvement of GPS >cores make it possible for GPS to share such resources as the CPU >and memory already inside a cell phone. The bill of materials for >separate GPS components - such as baseband, RF and memory chips - >could cost between $20-40 per module, compared with its gpsOne >integrated solution that costs $2-3. Qualcomm's next integrated >chipset solution including gpsOne is due in late 2001 and will >address multiple air interfaces including GSM and W-CDMA, he said. > > Denso and Samsung are already integrating the technology >into its phones. > > Meanwhile in the US wireless carriers are understood to be >still struggling with which GPS technology solution to adopt. Last >we heard AT&T Wireless Group had not yet chosen which technology >it would deploy, VoiceStream was wavering having initially decided >to employ triangulation while Sprint PCS said it would use a >handset system. > > Last year over 120,000 wireless 911 calls were made in the >US. > > >================ >Janos Gereben/SF, CA >janos451@earthlink.net For archives see: http://www.interesting-people.org/
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