Explore topic-wise MCQs in Wireless & Mobile Communications Questions & Answers United States Digital Cellular (IS-54 and IS-136).

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Wireless & Mobile Communications Questions & Answers United States Digital Cellular (IS-54 and IS-136) knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following speech coder is used in USDC?

A. Vector Sum Excited Linear Predictive coder
B. Formant Vocoder
C. Multipulse Excited Linear Predictive coder
D. Residual Excited Linear Predictive coder
Answer» B. Formant Vocoder
2.

Which of the following channel in USDC is used to send important control or specialized traffic data between the base station and mobile units?

A. DTC
B. CVDCC
C. SACCH
D. FACCH
Answer» E.
3.

Which of the following channel in USDC provides a signalling channel?

A. DTC
B. CVDCC
C. SACCH
D. FACCH
Answer» D. FACCH
4.

USDC has ___________ as many control channels as AMPS.

A. Same
B. Three times
C. Twice
D. Four times
Answer» D. Four times
5.

Because of the compatibility with AMPS, USDC is also known as ___________

A. SADC
B. PADC
C. D-AMPS
D. K-AMPS
Answer» D. K-AMPS
6.

USDC is also known as ___________

A. SADC
B. NADC
C. PADC
D. N-AMPS
Answer» C. PADC
7.

The dual mode USDC/AMPS system was standardized as ____________

A. IS-54
B. IS-136
C. PSTN
D. GSM
Answer» B. IS-136