MIMO-OFDM系统检测算法。就目前MIMO-OFDM系统的研究热 点：发射信号方案设计和接收端信号检测中的关键技术和算法进行了深入的研究。 文中系统而全面的介绍了目前MIMO-OFDM系统主要检测算法，通过仿真比较了 不同算法的性能-MIMO-OFDM system detection algorithm. On the MIMO-OFDM system hot spots: the launch signal design and receiver signal detecti

总结了天线选择算法的现状。提出了天线选择算法的发展方向和热点。-Summarizes the status of the antenna selection algorithm. Proposed antenna selection algorithm development direction and hot spots.

The sensor nodes of a wireless grain depot surveillance system are deployed in crystal grids, which provide lot of valid position information. To avoid the energy consumption unbalance of the single hop routing model adopted by LEACH prot