单项选择题
A.TURBO编码 B.香农编码 C.卷积编码 D.SBC子带编码
A.originationmessage→BSACK→TCHpreamble→Channelassignmentmessage→BSACK→MSACK→ServiceConnectmessage→Serviceconnectcompletion→assignmentcomplete B.originationmessage→BSACK→ServiceConnectmessage→TCHpreamble→BSACK→MSACK→Channelassignmentmessage→Serviceconnectcompletion→assignmentcomplete C.originationmessage→BSACK→Channelassignmentmessage→TCHpreamble→BSACK→MSACK→ServiceConnectmessage→Serviceconnectcompletion→assignmentcomplete D.OriginationMessage→CMServiceRequest→TchPreamble→Establish→AssignmentComplete→Allocation;
A.软切换 B.硬切换 C.不一定
A.3~5 B.6~8 C.8~10 D.10~12
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