Method for interpreting system messages by LTE (Long Term Evolution) terminal
A system message and terminal technology, which is applied in communication between multiple stations, electrical components, wireless communication, etc., can solve problems such as time-consuming, unfavorable terminals to quickly interpret system messages, and signal interaction to increase design complexity, etc., to reduce Design complexity, increase speed, reduce interaction effect
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Specific Example 1
[0050] The flow of this embodiment is as attached Figure 4 Shown:
[0051] 1. The terminal synchronizes PSCH and SSCH;
[0052] 2. The physical layer of the terminal performs PBCH blind detection to find the position of the wireless frame carrying the MIB data block;
[0053] 3. The physical layer interprets the MIB data block in the corresponding position;
[0054] 4. The physical layer parses all the contents of the MIB data block, obtains the high 8 bits of the SFN of the wireless frame where the MIB data block is located, and obtains the SFN of the wireless frame where the MIB is located according to the time-frequency location rule of the MIB;
[0055] In this embodiment, after the physical layer parses the MIB data block, it obtains the high 8 bits of the SFN of the wireless frame where the MIB is located. According to the MIB time-frequency location rule, the SFNs of the four wireless frames where the MIB is located are obtained in sequence: xxxxxxxx00, xxxxx...
Example Embodiment
Specific Example 2
[0060] The flow of this embodiment is as attached Figure 5 Shown.
[0061] Steps 1 to 3 are the same as the specific embodiment 1;
[0062] 4. The physical layer parses the SFN information in the MIB data block, obtains the high 8 bits of the SFN of the wireless frame where the MIB data block is located, and obtains the SFN of the wireless frame where the MIB is located according to the time-frequency location rule of the MIB;
[0063] In this embodiment, the physical layer only parses the SFN data in the MIB data block, that is, starting from the 7th bit of the MIB data block, read 8 bits of data continuously to obtain the upper 8 bits of the SFN of the wireless frame where the MIB is located. MIB time-frequency location rules, you can get the SFN of the 4 wireless frames where the MIB is located: xxxxxxxx00, xxxxxxxx01, xxxxxxxx10, xxxxxxxx11; among them, the frame number is expressed in binary, and xxxxxxxx is the upper 8 bits of the SFN;
[0064] Steps 5 to 8...
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