OFDM signal transmitting power division method
A technology of signal transmission and distribution method, which is applied in the field of OFDM signal transmission power distribution, which can solve the problems of power waste and power distribution method not given, and achieve the effect of reducing the calculation burden
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[0028] The main parameters of the OFDM signal transmission power allocation method include the R required by the system, the immediate channel gain of the system, and the threshold value of the bit error rate set by the system. The bit error rate requirement is relatively fixed, that is, the bit error rate threshold set by the system The value of R remains unchanged for a long period of time; the R required by the system changes more frequently according to real-time needs; the immediate channel gain of the system changes all the time. Therefore, the present invention divides the OFDM signal transmission rate allocation method into a preset stage and a real-time stage.
[0029] As long as the bit error rate requirements of the system have been determined, it can enter the presetting stage. In the preset stage, a R is given in advance, and under the limitation of the bit error rate requirement of the system, for a certain H 2 a, you can use the greedy algorithm to calculate se...
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