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2G/3G Mobile Communication Systems 2G Review: GSM Services Architecture Protocols Call setup Mobility management Security HSCSD GPRS Architecture Protocols QoS EDGE UMTS…

1. SISTEM KOMUNIKASI BERGERAK BAB 3 KONSEP SISTEM KOMUNIKASI BERGERAK 2. 1. GSM: cellular network segmentation of the area into cellspossible radio coverage of the cellidealized…

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Slide 1 1 Cellular Communications Slide 2 First telephone (photophone) – Alexander Bell, 1880 The first car mounted radio telephone – 1921 Old days Slide 3 1946 – First…

Cellular Network Cellular Network Early mobile system Cellular Network Use of one powerful transmitter located on high location. Range of signals was upto 50km. These system…

Cellular Mobile Communications Cell concept Wireless Comm. Systems  Goals • provide coverage over a large area • provide coverage to a large number of users • maintain…