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Research and Design of Dual-Mode Cell Phone System Module

Author: ZhaoZuo
Tutor: WenAiJun´╝ŤYangZuoZuo
School: Xi'an University of Electronic Science and Technology
Course: Software Engineering
Keywords: Dual-mode Dual standby Embedded OSI
CLC: TP311.52
Type: Master's thesis
Year: 2008
Downloads: 42
Quote: 0
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Abstract


3G development in China is steadily advancing , 2G and 3G multi-network co-exist will inevitably , the dual-mode dual standby mobile phone market transition phase will be the inevitable choice . Dual standby program inefficiencies AT command control communication module interface can not meet the mobile terminal to handle multiple parallel command information and data information needs , to provide more efficient information exchange between the various modules for the mobile terminal inevitable requirement . In this paper, based on WINCE platform dual GSM / GPRS dual standby mobile phone project background , the reference OSI Open Systems Interconnection model , in -depth study of the software architecture of the the MTK6223 communication module based on the command information between the application processor communication module and the data interaction design a set of hierarchical software systems that support concurrent processing of multi-tasking . The Communication Module realized reliable transmission of information between the multi-module and routing , and application sub-module is the application and development of local programming interface provides remote communication module . The laboratory test results and market testing show that the design is not only able to overcome the single task of AT commands , the limitations of single-channel , low efficiency and high energy consumption , the information exchange between the application processor and two communication modules , and also very good support such as web browsing , e-mail and other data applications .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development
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