单项选择题What is the most common value of the hysteresis used when estimating margins for log-normal fading? ()

A.3dB
B.35dB
C.36dB
D.38dB
E.20dB


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1.单项选择题What is added to the MS sensitivity level to obtain the required signal strength, SSreq?()

A. Rayleigh fading margin.
B. Rayleigh fading margin, interference margin, and body loss.
C. Rayleigh fading margin and interference margin.
D. Rayleigh fading margin and body loss.
E. Interference margin and body loss.

4.单项选择题Where is the TX reference point? ()

A. Where the jumper cable is connected to the output of the TX.
B. Where the jumper cable is connected to the RBS.
C. Where the jumper cable is connected to the output of the combiner.
D. Where the jumper cable is connected to the antenna.
E. Immediately outside the antenna.

5.单项选择题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

6.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)

7.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

8.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

10.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