Space Shift Keying Modulation Method Based on Transmit Diversity
A technology of transmit diversity and modulation method, which is applied in phase-modulated carrier systems, digital transmission systems, electrical components, etc., can solve problems such as spectrum efficiency reduction, achieve high diversity gain, and improve the effect of bit error performance
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[0022] Specific embodiments of the present invention will be given below in conjunction with the accompanying drawings. It should be noted that the parameters in the examples do not affect the generality of the present invention.
[0023] Consider the link of the traditional space-shift keying SSK system, such as figure 1 Shown: Traditional SSK system has N t root transmit antenna and N r Root receiving antenna. After channel coding, interleaving and other processing, the data c to be sent is generated, and the data c enters the SSK bit mapper to select the serial number of the sending antenna, and then activates the corresponding antenna to send the signal.
[0024] The traditional SSK system has only one antenna active at a certain time, so the transmitted signal can be written in the matrix form x=[00...1...0], and the transmitted signal x passes through N t Send N r The received MIMO channel and Gaussian white noise channel arrive at the receiving end.
[0025] The s...
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