The power and sheer volume of consumer demand has driven cellular handsets to an incredible level of complexity featuring diverse modulation schemes and multiple protocols, as well as coverage of multiple frequency bands. In addition, multiple radios now coexist to support Bluetooth personal area networking, global positioning system (GPS) location technology, wireless local area networks (WLAN) connectivity for high-speed local-area data access, and mobile digital TV reception. Sophisticated applications, such as MP3 audio playback, camera functions, and MPEG video are also sought after. Such application support dictates high level of memory integration together with large digital signal-processing capacity . At the same time users continue to demand handsets that are lighter weight, less expensive, and more power efficient . These demands put handset manufacturers in the unenviable position of meeting customer expectations while maintaining their own profitability.
|Title of host publication
|Subtitle of host publication
|Circuits, Systems, and Devices
|Number of pages
|Published - 2017