单项选择题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)


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1.单项选择题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

2.单项选择题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

4.单项选择题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

5.单项选择题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.

6.单项选择题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

8.单项选择题What is the point of using a combiner? ()

A. Up to four sites can share one PCM link.
B. Several TRXs can share one antenna system.
C. The mobile can listen to two base stations at the same time.
D. Only one base station is needed per site.
E. Sending and transmitting can be performed from the same antenna.

9.单项选择题Which of the following is not necessary to consider when surveying a potential site? ()

A. Space for antennas
B. Frequency allocation
C. Electrical power availability
D. Permission/Contract with owner
E. Availability of PCM link to the BSC

10.单项选择题A subscriber makes a two-minute call and a four-minute call during the busy hour. How much traffic does he generate for that hour? ()

A.33 millierlangs
B.66 millierlangs
C.100 millierlangs
D.10 millierlangs
E.25millierlangs