TD-SCDMA射频测试总结(三)
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本期将简要介绍有关频谱方面的测试——占用带宽。
(1)测试环境:normal;参考TS34.122标准clauses G.2.1和G.2.2。
(2)测试频点:low range, mid range, high range ;参考TS34.122标准clauses G.2.4。
(1)设置手机在loopback的测试模式下并按照下表设置参数建立其和基站间的通话。
Parameter
|
Value/description
|
UL Reference measurement channel
|
12,2kbps, according to annex C.2.1
|
Uplink Power Control
|
SS level and signalling values such that UE transmits maximum power.
|
Data content
|
real life (sufficient irregular)
|
Parameter
|
|
Information data rate
|
12,2 kbps
|
RU's allocated
|
1TS (1*SF8) = 2RU/5ms
|
Midamble
|
144
|
Interleaving
|
20 ms
|
Power control (TPC)
|
4 Bit/user/10ms
|
TFCI
|
16 Bit/user/10ms
|
Synchronisation Shift (SS)
|
4 Bit/user/10ms
|
Inband signalling DCCH
|
2 kbps
|
Puncturing level at Code rate 1/3: DCH / DCCH
|
33% / 33%
|