The phrase "aided channel" is correct and usable in written English.
It can be used in contexts related to communication, technology, or assistance where a channel is enhanced or supported by some form of aid or technology.
Example: "The new software provides an aided channel for users to communicate more effectively with customer support."
Alternatives: "assisted channel" or "enhanced channel".
The development of natural streambed resistance structures (mainly step-pool systems) and luxuriant riparian vegetation aided channel stability, diversity of stream habitat, and ecological maintenance in the creek.
pilot layer aided channel estimation.
They devise a covariance aided channel estimation method which exploits the covariance information of both desired and interfering user channels.
In data aided channel estimation, the known information to the receiver is inserted in information symbols so that the current channel state can be estimated.
The imperfect CSI of the interference link can be obtained by the SU through channel reciprocal [15] or pilot aided channel estimation [19].
With pilot aided channel estimation, there is a pilot overhead loss in both signal-to-noise ratio (SNR) degradation due to the energy put on the pilots and in spectral efficiency due to the channel symbols occupied by the pilot symbols.
To combat multipath delay and Doppler shifts in vehicular environments, the preamble long training sequence is inserted at a predetermined symbol duration throughout the frame, also referred to as midamble data-aided channel tracking [29].
Pilot-symbol-aided channel estimation has been studied [2 4] and the common channel estimation techniques are based on least squares (LS) or linear minimum mean square error (LMMSE) estimation [5].
The performance of the DSRC system is investigated for a time-varying channel using a conventional DSRC model, a decision-directed (Viterbi-aided) channel estimation model, and the frequency-domain equalization design.
Channel tracking schemes were investigated and the Viterbi-aided channel estimation scheme was proposed for DSRC systems that did not explicitly exploit the ICI components caused by the time-varying channels.
It is shown that the DSRC system with the frequency-domain equalization achieves a considerable performance enhancement compared to both the conventional and the Viterbi-aided channel estimation schemes in terms of both packet error rate (PER) and bit error rate (BER) at relatively high and low velocities.
