GSM combines which two access methods?
A. CDMA and OFDMA
B. TDMA and FDMA
C. TDMA and CDMA
D. FDMA and OFDM
✅ Answer: B
UMTS is based on:
A. OFDMA
B. QAM
C. WCDMA
D. HPSK
✅ Answer: C
OFDM uses a cyclic prefix to combat:
A. Noise
B. ISI
C. Quantization
D. Fading only
✅ Answer: B
MIMO systems exploit:
A. Temporal compression
B. Spatial diversity
C. Code reuse
D. Hard clipping
✅ Answer: B
Handover ensures:
A. Higher SNR
B. Continuous communication
C. Lower data rate
D. Reduced quantization
✅ Answer: B