單項(xiàng)選擇題Why are base stations sometimes cascade connected? （）

A. To save antennas
B. To share PCM links
C. To share RBS equipment
D. To simplify the installation
E. To be able to reuse frequencies


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2.單項(xiàng)選擇題What is the advantage of using DTX for an MS? （）

A. Increases battery life
B. Better Bit Error Rate (BQRE)
C. Higher strength
D. Increased bit rate
E. Better voice quality

3.單項(xiàng)選擇題Which of the following will not increase system capacity? （）

A.Increasing the number of available frequencies.
B.Introducing double BA-lists
C.Implementing half-rate vocoders.
D.Going from a 4/12 to a 3/9 reuse pattern.
E.Splitting cells.

4.單項(xiàng)選擇題What is used to prevent ‘ping-pong effects’, that is, rapid, successive handovers? （）

A. Discontinuous Transmission
B. Hysteresis
C. Dynamic Power Control
D. Frequency Hopping
E. Cell Load Sharing