Multi-input multi-output signal detection method and device
A signal detection and multi-output technology, which is applied in the direction of preventing/detecting errors through diversity reception, diversity/multi-antenna system, space transmission diversity, etc., can solve the problem of signal detection performance degradation, and achieve the effect of speeding up signal detection
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[0029] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.
[0030] figure 2 It is a flow chart of the MIMO signal detection method provided by the present invention.
[0031] image 3 is adopted figure 2 Schematic diagram of the search tree for MIMO signal detection by the method shown.
[0032] figure 2 The method shown is suitable for systems with two receiving antennas, such as figure 2 As shown, the method includes:
[0033] Step 201, storing in advance the Euclidean distance relationship between all constellation points corresponding to each modulation mode adopted by the system and the positions on the constellation diagram.
[0034] In this step, for each modulation method, according to the positions of all constellation points corresponding to the modulation method on the constellation diagram,...
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