单项选择题
Which of these is not a prediction model for radio coverage? （）
A.Algorithm-9999
B.Cost-231
C.Okumura-Hata
D.Printhana
E.Walfish-Ikegami
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相关考题
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单项选择题
Which of these assumptions is necessary to use in system balance? （）
A.The sensitivity is the same for the MS and the BTS.
B. The path loss is the same for the MS and the BTS.
C. The feeder loss is the same for the MS and the BTS.
D. The antenna gain is the same for the MS and the BTS.
E. The combiner loss is the same for the MS and the BTS. -
单项选择题
What is system balance? （）
A. Each cell can handle the same amount of subscribers
B. The network is dimensioned for all mobile classes
C. All cells are of the same size
D. All BTSs use the same output power
E. Uplink and downlink coverage is the same -
单项选择题
A particular cell is expected to support 6 Erlangs of traffic at 1% Grade of Service. How many traffic channels are required?（）
A. 6
B. 13
C. 3
D. 15
E. 22
