Method for verifying quadrature modulation data transmitted between baseband unit and radio frequency unit
A technology of quadrature modulation and baseband unit, applied in the field of IQ data verification, can solve the problems of only verification, no online verification, narrow data range, etc., and achieve the effect of wide data range, less resources and simple algorithm
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[0023] The present invention will be further described below in conjunction with the accompanying drawings.
[0024] refer to figure 1 , the verification method of the IQ data transmitted between the BBU and the RRU. During the transmission of the IQ data between the BBU and the RRU, through the calculation and comparison of the level by level, if the IQ data is wrong, the fault is located accordingly, including the following step:
[0025] Step 1: Module A obtains the IQ data check value corresponding to each carrier contained in the IQ data according to the cyclic exclusive OR method, and sends each carrier and its corresponding IQ data check value to module B;
[0026] Step 2: Module B sends each received carrier and its corresponding IQ data check value to module C, and calculates its corresponding IQ data check value for each received carrier according to the cyclic XOR method, and the same The calculated value of the IQ data check value corresponding to the carrier is ...
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