Checking method for 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 that transmits between BBU and RRU, comprises the following steps:
[0025] Step 1: Module A obtains the corresponding IQ data check value of each carrier contained in the IQ data according to the cyclic XOR method, and sends each carrier and its corresponding IQ data check value to module B;
[0026] Step 2: Module B sends each carrier wave received and its corresponding IQ data check value to module C, and calculates its corresponding IQ data check value respectively for each carrier wave received according to the cyclic XOR method, and the same The calculated value of the IQ data check value corresponding to the carrier is compared with the received value. If the two are equal, there is no problem in the transmission of the IQ data of the carrier between module A and module B. Otherwise, the IQ data ...
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