單項選擇題MS在通話過程中能否接受SMS,下列說法正確的是:()

A.不能同時接收SMS,中心發(fā)出的SMS將丟失
B.不能同時接收SMS,但通話結(jié)束后仍然可以收到
C.不能同時接收SMS,不能用SACCH來接收
D.能同時接收SMS,用SACCH來接收,也可以用FACCH來接收,但可能影響話音質(zhì)量


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3.單項選擇題基站EIRP的計算公式為()

A. BTS max. transmit power -BTS combiner and jumper loss -BTS feeder and connector loss + BTS antenna gain
B. BTS max. transmit power -BTS combiner and jumper loss
C. BTS combiner and jumper loss -BTS feeder and connector loss
D. 以上都不對

5.單項選擇題當進行1800M網(wǎng)絡(luò)覆蓋規(guī)劃時應采用的傳播模型為()。

A.Okumura-Hata
B.Cost231-Hata
C.Cost-231Walfish-Ikegami
D.Keenan-Motley