單項(xiàng)選擇題

Antenna gain is obtained by...? （）

A. A power amplifier in the antenna system
B. Concentration of radiation
C. Highly effective antenna cables
D. Good SWR (Standing Wave Ratio)
E. A spherical radiation pattern

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單項(xiàng)選擇題

Which of the following is an Ericsson scheme to gradually tighten the reuse distance in a network? （）

A. Ericsson Engineering Tool (EET)
B. Multiple Reuse Pattern (MRP)
C. Operation and Support System (OSS)
D. Frequency Reuse Plan (FRP)
E. Basic Reuse Plan (BRP)

單項(xiàng)選擇題

What does locating mean? （）

A. Paging of a mobile in more than one cell
B. Best cell selection
C. Changing of cell parameters
D. Roaming
E. Tuning