Your English writing platform
Discover LudwigSuggestions(5)
Exact(4)
We can diagnose the downlink channel supports in step S4 based on the uplink channel support information.
In TDD system, the base station (BS) estimates CSI at transmitter side based on the uplink pilots periodically sent by the mobile users.
The modification of scanning procedure is based on the uplink direction by adding identification addresses of all recommended stations for scanning into one scanning request message.
Based on the uplink C-RAN systems considered by the authors of the article [19], a distributed frontal compression scheme was proposed at the distributed RRHs.
Similar(56)
The so-called UpConst MMSE precoder which is based on the uplink-downlink duality [24].
In particular, the work in [9] proposed an iterative algorithm based on the uplink-downlink MSE duality.
Moreover, from comparing Figures 11 and 13, it can be noticed that the regularized channel inversion appears to be more robust to imperfect CSI than the precoder based on the uplink-downlink duality.
To be more specific, the transmit power minimization problem subject to signal-to-interference-and-noise-ratio (SINR) constraints at the remote users was addressed based on the uplink-downlink duality theorem for multicell multiuser downlink systems [3].
In TDD MU-MIMO systems, the procedures at the physical layer for the downlink data transmission are as follows: Step 1: BS obtains the delay estimated version H ^ [ m - M d ] of CSI based on the received uplink pilots at the (m - Md th symbol interval.
In this work, we expect that device discovery uses uplink resources based on reusing the uplink transmission chain [17] Therefore, to ensure the excellent performance of device discovery, shared radio resources are suggested alternately with dedicated radio resources.
Furthermore, adaptive open-loop power control (OL-PC) based on the SINR and the uplink interference averaged over a certain period is used to optimize cell capacity.
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com