GSM分组业务上行TBF流程中,哪条消息标志着上行流程结束?()
A、资源请求消息
B、上行指派消息
C、上行应答消息
D、控制确认消息
TD-SCDMA系统中采用了智能天线技术,每小区所使用的智能天线有多个通道,只有满足各个通道的()特性等一致,才能保障智能天线波束的赋形的效果。
A、幅度、相位
B、功率
C、低噪
反向覆盖测试时,移动发射机MT需配置哪些主要参数?()
A、测试时间
B、测试频点
C、测试时隙
D、测试发射功率
R4中TD一SCDMA使用的调制方式有().
AQPSK
BGMSK
C16QAM
D8PSK
Originally introduced by Netscape Communications,___(66)___ are a general mechanism which HTTP Server side applications, such as CGI (67) , can use to both store and retrieve information on the HTTP ___(68)___ side of the connection. Basically, Cookies can be used to compensate for the ___(69)___ nature of HTTP. The addition of a simple, persistent, client-side state significantly extends the capabilities of WWW-based ___(70)___ .
(66)A. Browsers B. Cookies C. Connections D. Scripts
(67)A. graphics B. processes C. scripts D. texts
(68)A. Client B. Editor C. Creator D. Server
(69)A. fixed B. flexible C. stable D. stateless
(70)A. programs B. applications C. frameworks D. constrains
HSDPA的快速调度算法中,都考虑了下列哪些因素().
A、各UE的信道条件;
B、队列中等待处理的数据量;
C、队列优先级;
D、UE的发射功率;