Transmit diversity method applied to transmission system and transmission system of multiple transmission paths
A transmission path and transmission system technology, applied in the field of transmission diversity and multi-transmission path transmission system applied to the transmission system, can solve the possibility of destructive superposition becoming smaller, the effect is not significant, and there is no way to solve the transmission signal damage issues such as superposition
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[0030] In the following embodiments, a variety of transmit diversity methods are proposed for a transmission system with multi-transmission paths. The transmit diversity technology can be used to make the receiving end without changing the structure of the receiving end. The end can have better reception quality, which can be applied to Orthogonal Frequency Division Multiplexing (OFDM) transmission. The main concept of the present invention is to use a transmission path selector (TX Chain selector) to determine which parallel data stream carried by each sub-carrier (sub-carrier) should be used before OFDM modulation. Since each sub-carrier is transmitted by only one transmission path, there will be no mutual interference of transmitted signals at the receiving end. In addition, since the number of sub-carriers actually transmitted by each transmission path is less than the original number, each transmission path can appropriately increase its overall transmission power, so tha...
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