Cellular Phones as Embedded Systems by Niam Amarnani

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<ul><li><p>Cellular Phones as Embedded Systems by Niam Amarnani</p><p>EEL 6935Cellular Phones as Embedded Systems* of 33</p><p>IntroductionCellular phones are largely being used today.The cellular phones consists of a transmitter and receiver.it consist of microprocessor,Rom,Ram,.The LCD display and keyboard is also available</p><p>EEL 6935Cellular Phones as Embedded Systems* of 33</p><p>Outline</p><p> Introduction Todays Cellular Phone Architecture for Wireless Access Memory, OS, and Power Challenges Conclusions</p><p>EEL 6935Cellular Phones as Embedded Systems* of 33</p><p>Convergence enables people to create, share and consume digital contentCellular phones evolve from traditional cost-optimized handhelds to multifunctional terminalsCellular phones: key platform for mobile convergence applications (web browsing, video streaming, etc.)Digital Convergence</p><p>EEL 6935Cellular Phones as Embedded Systems* of 33</p><p>Extremely complex embedded systemFunctional blocks are custom-made for mobilityChips are either proprietary designs or based on available chips.sophisticated and better functionality Todays Cellular Phone</p><p>EEL 6935Cellular Phones as Embedded Systems* of 33</p><p>Example: Blackberry Bold</p><p>EEL 6935Cellular Phones as Embedded Systems* of 33</p><p>Example: Blackberry Bold</p><p>EEL 6935Cellular Phones as Embedded Systems* of 33</p><p>Cellular phones have come a long way from analog communication devices to digital mobile computers.Today, a cellular phone is a paradigm of an embedded system having highly optimized cost, size, efficiency and performance.Challenges in RF circuits, implementation architecture, memory, and power consumption are still affecting the development and growth of mobile devices.New technologies such as decentralized architectures, reconfigurable circuits, advanced memories, and low power designs will help overcome challenges.Conclusions</p><p>EEL 6935Cellular Phones as Embedded Systems* of 33</p><p>Why is it called Cellular?An antenna tower handles calls from a short distance from it (Base Station)More antenna towers means more users can talk on cell phonesLower power the cell phone emitsRepeat the frequencies usedThe antennas form small cells of coverage around the city</p><p>EEL 6935Cellular Phones as Embedded Systems* of 33</p><p>Cell Phone Identity SystemsEvery cell phone has 2 unique identificationsMIN Mobile Identification NumberA 10 digit telephone number309-555-1212ESN Electronic Serial Number32 bit binary numberBuilt into the cell phone</p><p>*****</p></li></ul>

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