Fast data transmission protocol for auxiliary communication of intelligent reflecting surface
A data transmission protocol and auxiliary communication technology, applied in the field of fast data transmission protocols, can solve the problems of low receiving power and inability to send data at the receiving end, and achieve the effect of fast transmission
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Embodiment 2
[0065] Step 1: The base station has M antennas, the smart reflection surface has N reflection units, and a single user has an omnidirectional antenna. In this example, M=32 and N=256 are set, which are the same as those in Embodiment 1. The line-of-sight link channel between the user and the base station is modeled as:
[0066]
[0067] in is the arrival angle of the line-of-sight link signal at the base station, L d is the number of channel paths, is the steering vector, α i ,i=0,1,...,L d -1 indicates the corresponding path gain, Δ BS is the distance between the base station antenna elements normalized to the wavelength.
[0068] Model the channel between the smart reflector and the base station as a Rician channel:
[0069]
[0070] K 1 stands for H 1 The Rice factor, Represents the line-of-sight link component, which can be expressed as is the steering vector, θ AOA,1 represents the angle of arrival at the base station, θDOA,1 Denotes the departure ...
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