但是常规球形解码算法不能解决发送天线大于接收天线的问题。
However, the exist sphere decoding algorithm can not solve the system where there are more transmit antennas then the receive antennas.
然后，它的复杂度随着发送天线的数目增加而指数增长，这妨碍了它在实际系统中的使用。
However, it suffers from an exponential complexity with the number of transmit antennas, making it infeasible for high-dimensional V-BLAST systems.
特别地，能够利用发送天线和接收天线之间的多径分量来抵抗信道衰落影响，并且改善通信链路可靠性。
In particular, a large number of propagation paths between transmit and receive antennas can be utilized to combat channel fading effect and gain link reliability.
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