Hardware Development Guide of Module Product
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5
Technical Index of Radio Frequency
5.1
Technical Index of Radio Frequency under
UMTS Mode
5.1.1
UMTS (WCDMA)
The RF index should be tested strictly in accordance with the related testing
specifications of 3GPP. The RF indexes of UMTS2100/1900/850 should satisfy the
requirements of 3GPP TS 34.121 protocol.
5.2
Technical Index of Radio Frequency under
GPRS/GSM/EDGE Mode
The RF indexes of GSM/GPRS/EDGE850/900/1800/1900 should satisfy the
requirements of 3GPP TS 05.05 protocol.
5.3
Technical Parameters of Antenna Testing
Console
ZM5202 supports the AGPS function, so the system equipment needs to add the
AGPS antennal. The design of AGPS antenna is consistent with that of the main
antenna, and its efficiency index can be 3dB lower. The separation degree between
the main antenna and the diversity antenna is required to be greater than 12dB. The
antenna index is divided into the sourceless index and s ourced index. The
sourceless index includes S11, efficiency, gains, orientation diagram and polarity,
which can be used as the parameter measuring the performance of the antenna
itself. The sourced index is also called the OTA index, including TRP (all-round
radiation power), TIS (all-round receiving sensitivity), radiation orientation diagram,
which is an important index measuring the radiation performance of the whole set
(including the antenna, module, circuit main board).
