
530
■
Handbook on Mobile and Ubiquitous Computing: Status and Perspective
N
2
(x
2
, y
2
)
N
3
(x
3
, y
3
)
N
1
(x
1
, y
1
)
CH
1
CH
3
CH
2
E
1
E
2
E
3
CRDP
(x
CRDP
, y
CRDP
)
θ
1
θ
2
θ
3
r
3
r
2
r
1
Figure 22.2 Notations for NLP-based approach for w-LLC.
a NLP-based approach has the same priorities. However, in certain cases, we need to assign a
different weight to each CH. If the CH in certain areas is more important than that in other CHs,
we need to assign higher priority to the CH. Also if events occur in some endemic-specific area,
the CH in that area must be assigned with a higher priority. Therefore, the consideration of weight
functions is necessary. Finally, in the case of the CHs having ...