Monday, March 14, 2005

The Cellphone of the Future - A World of Radios

'Today's mobile phone includes the components and software for multiple cellular standards such as GPRS, EDGE and UMTS. In addition, there is usually a personal area technology such as Bluetooth. But according to ABI Research, the number of radios in the cellphone is set to rise exponentially, in the quest to make the handset a multifunction, multimode communications, information and entertainment device.

It will incorporate GPS for location based services, FM radio and broadcast/satellite based television for entertainment, various flavors of Wi-Fi and eventually WiMAX for data and VoIP communications. It may also include Near Field Communications (NFC), Ultrawideband (UWB), radio frequency identification (RFID), and maybe even Zigbee. The challenges of including the circuitry to support all these functions in the limited size of a handset are obvious.

Alan Varghese, the firm's principal analyst of semiconductor research, asks, "Do some of these technologies solve the same problems, and will they consolidate? Can they work within the handset's small form factor and limited battery capacity? What about heat dissipation, antenna placement, interference and last but not least, price?"'
Read more at The Cellphone of the Future - A World of Radios

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