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Three possible quantization strategies are proposed in Section 3.2.3: memoryless quantization with and without consideration of the channel gain differences between different RRUs, and differential quantization.
Since channels from antennas located at different base stations will generally have large gain differences while those located at the same base station will not, we here assume the use of orthogonal RS for antennas located at different base stations while quasi-orthogonal RS may be used for those located at the same base station.
Weight gain differences between the antidepressant and no pharmacotherapy groups approached the significance level.
One of the research questions concerned whether knowledge gain differences would be seen using an assessment platform based on gestures.
For a fixed weight vector, the WSR of SC SIC becomes closer to that of RS as the channel gain differences among users increase.
It is shown that significant gains in the CSI quantization accuracy and in the throughput of especially MU-MIMO systems can be achieved with relatively simple quantization codebook constructions that exploit the available temporal correlation and channel gain differences.
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Furthermore, it can accommodate the receiver gain difference of different mobile devices.
While wireless local area network-based indoor localization is attractive, the problems concerning how to capture the signal-propagating character in the complex dynamic environment and how to accommodate the receiver gain difference of different mobile devices are challenging.
Fig. 16 CDFs of the channel gain difference between the two antenna polarisations over different body orientations and poses.
More results of overloaded four-user deployments with perfect CSIT are given in Appendix 7. The WSRs of different strategies when there is no channel gain difference (γ1=1) are illustrated.
More results of overloaded ten-user deployments with perfect CSIT are given in Appendix 8. We further illustrate WSRs of different strategies when the rate threshold rth, and channel gain difference are changed.
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