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Co-Channel Interference in Cellular Mobile Communications Quiz

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Co-Channel Interference in Cellular Mobile Communications Quiz

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Questions and Answers

What is the purpose of cell splitting in a cellular system?

To decrease the capacity of the cellular system

To increase the range of reception

To decrease the number of channels per unit area

To increase the number of times that channels are reused (correct)

In cell sectoring, how many directional antennas are typically used to cover a cell?

Four directional antennas

Two directional antennas

One omnidirectional antenna

Three directional antennas (correct)

What does range extension by repeaters aim to achieve in cellular communication?

Decrease the range of reception

Extend the range of reception (correct)

Increase co-channel interference

Increase the capacity of the cellular system

How does cell splitting contribute to increasing capacity in a cellular system?

By increasing the number of channels per unit area Signup and view all the answers

What is the main advantage of using multiple directional antennas in cell sectoring?

Better signal coverage Signup and view all the answers

In cell splitting, if the radius R decreases while the co-channel reuse ratio D/R remains unchanged, what happens to the number of channels per unit area?

Increases Signup and view all the answers

What key role does the USIM application play in 3G?

Managing security access and virus intrusion Signup and view all the answers

What types of additional information can the new phonebook in USIM manage?

Fax numbers and e-mail addresses Signup and view all the answers

What services can the USIM store applications for?

Pre-paid service activation, mobile banking, ticketing, etc. Signup and view all the answers

What feature allows the smart card to enable global roaming?

Containing multiple applications Signup and view all the answers

How can users access global roaming with the smart card?

Irrespective of radio access technology used Signup and view all the answers

Where can users view the messages sent between the phone and network while using SIM services?

Settings > Phone settings > Confirm SIM service actions > Yes Signup and view all the answers

What is the main advantage of the USIM's ability to contain multiple applications?

Smooth roaming and interworking between different networks Signup and view all the answers

What does selecting 'Yes' under 'Confirm SIM service actions' involve?

Sending text messages or making phone calls that may incur charges Signup and view all the answers

How does the USIM application contribute to network services for users?

Offering pre-paid service activation, information services, mobile banking, etc. Signup and view all the answers

What is the capability of the handset mentioned in the text?

Access to a portfolio of services and applications via user profiles. Signup and view all the answers