Management and organization of cellular mobile communications

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Uploaded: 18.01.2010
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INTRODUCTION
1. Classification and historical development of the cellular network 8
1.1. History of development of cellular mobile communications 8
1.2. Generation cellular 10
1.3. The development of cellular phones 12
1.4. Classification of mobile phones 18
1.5. Analysis of the market of cellular communication 22
1.6. An analysis of the market situation of mobile phones 25
2. ELEMENTS cellular networks 28
2.1. Functional diagram 28
2.2. Roaming 30
2.3. The composition of the mobile station 30
2.4. The base station 33
2.5. Switching Center 35
2.6. Interfaces cellular 36
2.7. Bandwidth mobile 37
2.8. Ways to improve the capacity of the cellular communication system 38
2.9. Handoff 39
3. Scheme realization of the mobile station 41
3.1. General principles of the device GSM cell phone 41
3.2. Features of the mobile cellular station 44
3.3. Modulator circuit CLC 47
3.4. Scheme ADC 48
3.5. Digital synthesis of analog signal 49
3.6. Driving encoder - decoder 54
3.7. Scheme realization of pulse generators 59
3.8. Models channel and block coding 64
3.9. Sequential decoding of convolutional codes. Basic concepts and core stack algorithm 73
4. USING CELL PHONE 80
4.1. Using a cellular phone to transmit / receive faxes and data 80
4.2. Changing the mobile phone with the help of special programs 83
4.3. Safety features standard GSM 85
5. occupational hazards WHEN USING CELL PHONE 90
5.1. The analysis of hazards in the manufacture of cell phones 90
5.2. The impact of the mobile phone to the health of the user 93
6. Business Plan Service Center for repair of cell phones 98
6.1.Rezyume 98
6.2. Description of the type of services 99
6.3. Evaluation of market 100
6.4. Marketing Strategy 101
6.5. Production Plan 102
6.6. Organizational Plan 103
6.7. Risk Analysis 105
6.8. Financial Plan 105
CONCLUSION 108
LIST OF USED LITERATURE 109
ANNEX 1 111

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2006.

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