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| 型号： | TPTDSCDMAWP |
| 英文描述： | Spatial Temporal Processing in TD-SCDMA |
| 中文描述： | 时间空间处理在TD - SCDMA |
| 文件页数： | 22/23页 |
| 文件大小： | 415K |
| 代理商： | TPTDSCDMAWP |
Spatial Temporal Processing in TD-SCDMA
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8
Time Slot (0.675 ms)
Radio Frame (10 ms)
TS0
TS1
TS2
TS3
TS4
TS5
TS6
Data
Midamble
G
Frame #i
Frame i+1
Subframe (5 ms)
Subframe #1
Subframe 2
Figure 2-2 TD-SCDMA Frame Structure
2.3.
TD-SCDMA Slot Structure
A TD-SCDMA time slot has been designed to fit into exactly one burst. The time
slot (Figure 2-3) consists of four parts, a midamble with 144 chips duration, and
two identical data fields with 352 chips duration at each side of the midamble and
followed by a 16 chips guard period. The midamble is used by the receiver to
carry out channel estimation tasks.
Data symbol s
352chips
Midamble
144 chips
Data symbol s
352 chips
GP
16
CP
675 s
Figure 2-3 The TD-SCDMA Slot Structure
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