对于专用信道，同步原语用于指示上行和下行无线链路的同步状态。
For the dedicated channels, synchronisation primitives are used to indicate the synchronisation status of radio links, both in uplink and downlink.
提出了一种适用于频率选择性衰落信道，新的下行多用户MIMO系统预处理传输方案。
A new transmission scheme, which combines transmit preprocessing with multiuser MIMO downlink system over frequency-selective fading channel is proposed.
提出了一种适用于频率选择性衰落信道，新的下行多用户MIMO系统预处理传输方案。
A new transmission scheme, which combines transmit preprocessing with multiuser MIMO downlink system over frequency-selective fading channel is proposed.
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