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Cellular Networks: Mobility Management

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Questions and Answers

What feature of GSM technology allows for easy transfer of phone service from one phone to another?

Time Division Multiple Access

Use of SIM cards (correct)

Digital modulation

Frequency Division Duplex

Which technology is also known as cdmaOne?

IS-95 (correct)

PDC

TDMA

IS-136

Which companies in the U.S. use CDMA technology?

T-Mobile and AT&T

Cingular and T-Mobile

AT&T and Cingular

Sprint and Verizon (correct)

What is the minimum data rate required for a TDMA channel?

64 kbps Signup and view all the answers

How many users can be supported in a 1.25 MHz channel using CDMA technology?

64 users Signup and view all the answers

What is the frequency range that can be used by CDMA technology?

Both 800 MHz and 1900 MHz Signup and view all the answers

Which technology is used in Japan?

PDC Signup and view all the answers

What is the maximum data rate that can be supported by a single TDMA channel?

1.544 Mbps Signup and view all the answers

What is the process of dividing a signal into different time slots to allow multiple users to share the same channel?

Time Division Multiple Access Signup and view all the answers

Which technology is used by T-Mobile and AT&T in the U.S.?

IS-136 Signup and view all the answers