Exact(1)
From (24), we can find that the estimation variance due to the information interference is directly proportional to the information-to-pilot power ratio thereby resulting in an inaccurate solution for the general case that.
Similar(59)
Results from this work show that the ANN was able to map the relationship between production, completion information, interference effects, and reservoir characteristics captured in seismic attributes.
Previous papers merely focus on the information sequence interference suppression; whereas few researches are contributed to the superimposed training effect cancellation for information sequence recovery.
On the other hand, estimation variance due to the information sequence interference (the first term in (29) may be the dominant component of the channel estimation error, especially for high SNR.
The existing ST approaches [9, 11, 16 22, 24] merely focus on the information sequence interference suppression; whereas few researches are contributed to the ST effect cancellation for information sequence recovery.
Based on the analysis of MMSE IC in the previous section, we propose modifying the MMSE weight factor by introducing the information on interference signals to improve the link-level performance of NOMA.
We also note that the estimation error is approximately Gaussian distributed for large symbol-size The estimation variance due to the information sequence interference, therefore, can be obtained as.
To circumvent the problem, it was recommended in [16 22, 24] that a periodic impulse train of the period larger than the channel order is superimposed in time-domain, and the channel is thus estimated by averaging the estimations of multiple training periods to reduce the information sequence interference.
An approximate solution to interference-aware reuse pattern adaptation between cells is described in [16], where the information on intercell interference coupling is obtained by measuring DL signal strength of neighboring cells at the user equipments (UEs).
Achieve the information about the interference situation in a fully distributed way.
Summarizing, this poses three challenges on power control-based CLD in ad hoc networks, namely (1) Achieve the information about the interference situation in a fully distributed way.
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