简要介绍智能天线的概念，并提出一种新颖的用于智能天线系统的时空联合检测算法。
In this paper, the concept of smart antenna is introduced and a novel detection technique called joint space-time processing is described.
本文提出了一种新的分块联合检测算法，将需要运算的矩阵进行分块处理，以降低运算量。
A new joint detection algorithm based on block is developed. Matrix is divided into several blocks to decrease the complexity.
根据发送端的编码规则重新设计接收端的联合检测算法，经过算法的简化，译码复杂度与原算法相同。
Taking the coding rule into consideration, we redesign and simplify the JD algorithm, which is then as simply as the original one.
另外，在多用户MIMO系统中，由于各个用户接收机只能进行分布式处理，因此接收端的联合检测算法不适用。
Meanwhile, in multiuser MIMO (MU-MIMO) systems, because only distributed receiver process can be supported, the joint detection at the receiver side is not feasible.
反馈联合检测算法通常可为迫零数据块判决反馈均衡器（ZF-BDFE）和最小均方差数据块判决反馈均衡器（MMSE-BDFE）算法。
The feedback joint detection algorithms mainly comprise zero forcing block decision feedback equalizer (ZF-BDFE) and minimum mean-square-error block decision feedback equalizer (MMSE-BDFE).
本文在分析TD _SCDMA系统下行链路基带离散时间传输模型的基础上，提出了一种下行链路信道估计的快速算法，并结合终端联合检测算法进行了计算机仿真。
In this paper a fast algorithm for channel estimation in downlink TD-SCDMA systems has been proposed by analyzing the discrete-time base-band transmission model.
为进一步提高算法的收敛速度，提出联合信道参数估计和数据检测算法。
To improve the algorithm convergence, EM-based joint channel parameters estimation and data detection algorithm is proposed.
结果使用30例样本检测算法性能，证明联合算法能够提高信噪比，对特征点的定位准确可靠。
Results Based on 30 samples, test proved that the new combined approach improved the signaltonoise ratio, accuracy and reliability.
结果使用30例样本检测算法性能，证明联合算法能够提高信噪比，对特征点的定位准确可靠。
Results Based on 30 samples, test proved that the new combined approach improved the signaltonoise ratio, accuracy and reliability.
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