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Adaptive Call Admission Control For Prioritized Adaptive Services In Wireless/Mobile Multimedia Cellular Networks
White Papers New generation cellular wireless networks are designed to support adaptive multimedia services by controlling individual ongoing flows to increase or decrease their bandwidth in response to changes in traffic load.
[August 17, 2007, 10:32]
Cicero Launches Symbian Dual-mode Client
News Dual-mode devices are able to route calls either through an office or home Wi-Fi connection — thus saving call costs — or through a standard cellular connection. It is also more targeted at "transferring the call from Wi-Fi to cellular as you move...
[November 2, 2006, 13:06]
Intel: Wi-Fi Could Have Emergency Role
News Carriers are trying to meet a 2005 deadline to make it possible for the US operators to locate cellular calls, but most carriers are having trouble meeting the deadline. Verizon Wireless and Sprint PCS are using assisted GPS (Global Positioning...
[September 12, 2002, 14:34]
New Focus, New Fears Aid Iridium Relaunch
News Compared with cellular-phone network operators, Iridium is still expensive, and recent technological advances may be wiping out the advantages satellite phones have had compared with cell networks. Costs have dropped from a whopping $7 to $13 per...
[November 9, 2001, 8:53]
BT Fusion Gets Wi-Fi Upgrade
News The idea of fixed-mobile convergence (FMC) services such as Fusion is that, when the mobile handset is in the office or home and thus sufficiently close to the user's broadband connection, it will route calls through that connection rather than...
[December 14, 2006, 12:49]
Including VoIP Over WLAN In A Seamless Next-Generation Wireless Environment
White Papers Further, voice services inherently involve call control signaling that requires a high level of priority in order to meet the timing constraints of interfaces to external networks, such as the wireless cellular network or the public switched...
[August 23, 2003, 0:07]
Performance Evaluation Of Voice Handovers In Real 802.11 Networks
White Papers In particular, the focus is on triggering timely handovers of voice calls from the 802.11 network to the cellular infrastructure. This paper looks at the performance of 802.11 networks for real-time voice communication.
[June 14, 2006, 0:00]
RIMA: Router For Integrated Mobile Access
White Papers RIMA acts as a Mobile Switching Center for standard cellular telephony users, and a mobile router for wireless packet data users. Next generation wireless networks will rely heavily on packet transport for both data and voice services.
[June 28, 2004, 3:15]
Alcatel And Nokia Team Up On Business Mobility
News This function will soon be enhanced to support both cellular and Wi-Fi networks with dual-mode phones, according to Nokia. Intellisync Call Connect for Alcatel — which is part of Nokia's larger Intellisync Mobile Suite — uses the cellular network...
[September 21, 2006, 16:50]
BlackBerry Tunes Into Wi-Fi
News BlackBerry devices wirelessly send and receive data and voice calls over wide-area cellular networks. Data and voice can be exchanged more cheaply over Wi-Fi networks than cellular networks. Wi-Fi networks also allow for higher throughput speeds...
[December 9, 2003, 8:00]
Wireless Firms Get The Urge To Merge
News No matter -- the chat boards are still buzzing: SBC will spin out Cingular Wireless as an independent company, then buy Sprint PCS so they can have a cellular arm, or so go the rumours. Many analysts are predicting that the top six cellular phone...
[July 12, 2002, 14:14]
Intel Promotes Mobile Location Services
News Researchers at Intel are examining ways to triangulate an individual's location with Wi-Fi or cellular networks like GSM, said Ian Smith, a senior researcher from Intel Labs at the New Paradigms of Using Computers conference at IBM's Almaden Labs.
[July 13, 2005, 9:15]
Cell Phone Software: Too Much Too Soon?
News Although the smallest thing on the phone, the button is a large sign of the inherent problems that will befall the cellular industry as it crams increasingly sophisticated technology into its products.
[April 24, 2001, 12:49]
Skype Calls On FCC To Open Network Access
News But the principle has not been applied to cellular networks. Tim Wu, a law professor at Columbia University, published a report earlier this month also arguing the "Carterfone" rules should apply to the cellular industry, because otherwise carriers...
[February 23, 2007, 8:36]
Consumer Device Feature Enhancement
White Papers Mobile phone capability allowing users to use the Pocket PC as a cellular phone in GSM/GPRS networks. Application support for dialing/storing numbers from/to Pocket Outlook contacts, call logging for accounting purposes, etc.
[March 12, 2005, 2:00]
Vodafone To Keep VoIP Out Of The 3G Network
News The arrival of 3G broadband networks raises the question of whether third-party service providers could target mobile users with cellular VoIP, posing a threat to mobile operators' mass-market voice revenues.
[July 27, 2005, 8:50]
Is Roaming Coming To Wi-Fi?
News Networking groups around the globe are working on ways for Web surfers to roam on any number of wireless networks -- just as mobile phone users roam on cellular networks. A Boingo customer can now roam onto the 450 Wayport hot spots inside airport...
[September 11, 2002, 8:10]
SMEs Embrace Hybrid Outsourcing
News The adoption of wireless is rocketing, with 77 percent of SMEs using Wi-Fi or cellular networks to gain remote access to data They [users] are often tired of speaking to a call centre in India, and want some local help.
[September 28, 2006, 13:45]
3 Working On Low-cost 'Skype' Mobile
News The Finnish company has produced a number of mobile phones capable of making calls over both cellular and Wi-Fi networks. Operators around the world, including BT in the UK and T-Mobile in the US, have sought to capitalise on such devices with the...
[October 4, 2007, 9:20]
Users 'want Advanced Mobile Services'
News The handset giant has worked with market researchers at Mori to find out more about services such as the walkie-talkie-style push-to-talk over cellular (PoC, for short) mobile instant messaging (MIM), video sharing, content sharing and presence...
[February 1, 2005, 14:45]
