Anite NEMO FSR1, Руководство пользователя, Страница: 132 / 137

R o h d e & Sc h w a r z 1 3 2
The Top-N Configuration button will open the Select Channels dialog where you can select
channels for pilot scanning.
When you select LTE channels, you can also define some channel-specific settings. In the LTE
Channel Specific Settings dialog, select the channel from the Selected channels list and
define the settings.
♦
Note that the available options are device specific.
Uplink-downlink configuration refers to LTE TDD frame structure.
Frame structure type 2 is applicable to TDD. Each radio frame of length
ms 10 307200
s f
= ⋅ =
T T
consists of two half-frames of length
ms 5 153600
s
= ⋅
T
each. Each half-frame consists of five
subframes of length
ms 1 0720 3
s
= ⋅
T
. The supported uplink-downlink configurations are listed in
the table below where, for each subframe in a radio frame, “D” denotes the subframe is
reserved for downlink transmissions, “U” denotes the subframe is reserved for uplink
transmissions and “S” denotes a special subframe with the three fields DwPTS, GP and UpPTS.
One slot,
T
slot
=15360T
s
GP
UpPT
S
DwPTS
One radio frame, T
f
= 307200T
s
= 10 ms
One half-frame, 153600T
s
= 5 ms
30720T
s
One
subframe,
30720T
s
GP
UpPT
S
DwPTS
Subframe #2 Subframe #3 Subframe #4 Subframe #0 Subframe #5 Subframe #7 Subframe #8 Subframe #9