The SUs opportunistically access the spectrum if the sensed portion of spectrum is found empty.
Each group of SUs has the responsibility to sense one portion of the PU band, thus reducing the sensing load of each SU.
Detached retina, eye disorder involving separation of the transparent light-sensing portion of the retina from the underlying layer of supporting cells known as the retinal pigment epithelium.
Indeed, Ire1 may be localized to the vicinity of mRNAs encoding such proteins by interactions of its ER lumenal unfolded protein sensing domain with portions of the nascent polypeptide chains that have entered the ER lumen, as previously proposed (Hollien and Weissman, 2006; Ron, 2006).
Thus, the total time of the sensing phase is reduced as every SU group has to sense an assigned portion of the spectrum in parallel and share the sensing result sequentially on the common control channel.
In our proposed sensing scheme, SU groups simultaneously sense the assigned portion of the PU band in parallel and share the sensing results among the SUs in a separate sharing phase.
Since all the SU groups sense the designated portion of PU band in parallel, the overall sensing time is reduced without channel skipping.
In CRNs, each cognitive device, or secondary user (SU), has one or more radios capable of sensing the spectrum and detecting portions that are not being used by licensed users, or primary users (PU).
Then here it comes: "Well, it's nice to have it all over with, isn't it?" Sure, in one sense, my portion of the college process is over — I have exited the ninth circle of hell of filling out my 13 applications and, in particular, waiting for Yale's decision (as noted in my first post, I got in early).
In the WSN-portion of the IoT, the choice of sensing modality is critical.
