Telephonics Wireless Corporation 8504HI0001000 사용자 설명서
Figure 2. nanoCell Functional Diagram.
The nanoCell™ comprises multiple virtual mobile stations and base stations that interoperate
within the air interface between network base stations, user mobile stations, and other nanoCells
within the air interface between network base stations, user mobile stations, and other nanoCells
MS
nMS
nBTS
Network
Local
Maintenance
Terminal
nOMC
U
m
U
m
MS
nanoCell Control
U
m
U
m
Cellular
The nMS subsystem acts as a mobile station, communicating with a network BTS or another
anoCell nBTS. It mimics the characteristics of the mobile station being served, including the
identity of the served mobi
ars that the served mobile
station is connected directly.
,
aging and access messages, SDCCH, and traffic channels. To the served mobile station (or
s, downlink paging message propagation, and cross connection of
e traffic channels when a call has been set up.
equired. The
anoCell is powered from 115 or 220 VAC single-phase, 50 – 60 Hertz, or –48 VDC.
eater height than a typical mobile station. This
rovides a better overall communications path between the network BTS and the mobile station,
r the nanoCell.
n
le station. To the network BTS, it appe
The nBTS subsystem operates as a base station, including the transmission of control channels
p
another nanoCell nMS subsystem), the nBTS appears to be a complete base station.
The nanoCell control function coordinates the nMS and nBTS subsystems to provide a path for
uplink mobile access attempt
th
The unit is self-contained, designed for indoor or outdoor mounting on pads, towers, poles, roofs,
or walls with no additional enclosures, air conditioning or other support equipment r
n
The antennas are separate from the nanoCell assembly, allowing antenna placement to be
engineered for higher link performance and a gr
p
reducing BTS and MS power requirements, while improving end to end channel performance.
Antennas may be selected and placed for optimum operation with the specific characteristics
required for the desired coverage patterns.
A Local Maintenance Terminal (LMT) supports field and depot operations. When necessary, this
device connects directly to the nanoCell through an internal Ethernet port
1.4.2 Leading Particulars
Table 1-2 contains the leading particulars fo
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