Adaptive joint linear precoding method applicable to multi-base station coordination
A linear precoding and self-adaptive technology, applied in electrical components, digital transmission systems, error prevention, etc., can solve problems such as multi-user interference, ignoring the impact of interference, and high complexity, so as to improve transmission performance and reduce multi-flow The effect of less interference and less overhead
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[0019] The adaptive joint linear precoding method suitable for multi-base station cooperation proposed by the present invention, wherein the schematic diagram of the communication relationship between each cooperative base station and user equipment is as follows figure 1 As shown, its flow chart is as follows figure 2 shown, including the following steps:
[0020] (1) Assuming that there are B cooperative base stations in the wireless communication network, which constitute a cooperative area, and there are K users in the cooperative area, each cooperative base station obtains the current accurate channel state information from the cooperative base station to each user in the cooperative area, and obtains The current channel matrix H of all cooperative base stations for the jth user j , where j is 1, 2, ... K, then the channel matrix of all cooperative base stations to all users is T is matrix transpose;
[0021] (2) Maximize the signal leakage interference noise ratio S...
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