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推导了传统单天线联合检测(JD)系统传输矩阵到传统多输入多输出(MIMO)系统传输矩阵的演化;提出了广义MIMO通用信道矩阵模型.推导表明,MIMO与联合检测可以在该模型中得到统一;基于该模型,传统MIMO系统的贝尔实验室分层空时码(BLAST)检测算法应用于联合检测系统,可得到约0.7 dB的性能改善.
The evolution of transmission matrix from traditional single antenna joint detection (JD) system to traditional MIMO system is deduced. A generalized MIMO general channel matrix model is proposed. The derivation shows that MIMO and joint detection can be obtained in this model Based on this model, the Bell Labs Hierarchical Space-Time-Code (BLAST) detection algorithm of the traditional MIMO system is applied to the joint detection system and the performance improvement of about 0.7 dB can be obtained.