In addition, fronthaul is the most cost dominant component of C-RANs due to densely deployed RRHs
and requirements of expensive fiber resources to connect huge numbers of RRHs
to the BBU pool  .
The prime recipient of the RRHS
grant, Brigham and Women's Hospital in Boston, Massachusetts, subcontracts three other institutions, including Yale School of Medicine, that are working to strengthen the health worker education system in Liberia.
According to official RAF literature, RAF Boulmer either detects an aircraft behaving suspiciously using its own RRHs
or from information supplied by NATS.
For all these reasons, conducting accurate, efficient tests on RRHs
Most important, the dummy variable for remittances is negative and significant, indicating the RRHs
have a lower initial consumption and they also spend a smaller proportion of their income on autonomous consumption at a given level of expenditure.