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A transmission method of physical broadcasting channel aerial information

A technology of physical broadcast channel and transmission method, which is applied in the field of transmission of antenna information of physical broadcast channel, and can solve the problem that antenna information cannot be accurately obtained.

Inactive Publication Date: 2008-07-09
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a method for transmitting antenna information of a physical broadcast channel to solve the problem that the antenna information cannot be obtained accurately

Method used

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  • A transmission method of physical broadcasting channel aerial information

Examples

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Effect test

no. 1 example

[0030] at the sending end,

[0031] At the sending end, according to the number of physical broadcast channel transmitting antennas and the number of times the current transmission belongs to within a cycle, select the corresponding scrambling code sequence to scramble the original information bits, generate CRC, and the data (described in this embodiment) The data is original information bits, but it can also be scrambled information bits. In the case of scrambled information bits, the receiver needs to descramble after receiving) and send them together. The scrambling code sequences corresponding to the two antennas and the four antennas are different.

[0032] The meanings of different scrambling code sequences are as follows: use the m sequence to generate 12 scrambling code sequences, and define the numbers of the scrambling code sequences as #1, #2, ... #11, #12, where #1, #2, # 3, #4 represents one-antenna transmission, and each four sequences correspond to four transm...

no. 2 example

[0037] at the sending end,

[0038] At the sending end, according to the number of transmitting antennas of the physical broadcast channel and the number of times the current transmission belongs to within a cycle, select the corresponding scrambling code sequence to scramble the original information bits, generate CRC, and send it together with the data. The scrambling code sequences corresponding to the second antenna and the fourth antenna are different from each other, and the scrambling code sequences corresponding to the first antenna and the second antenna are the same.

[0039]The meanings of different scrambling code sequences are as follows: use the m sequence to generate 8 scrambling code sequences, and define the numbers of the scrambling code sequences as #1, #2, ... #7, #8, where #1, #2, # 3, #4 represents one-antenna and two-antenna transmission, and each four sequences correspond to four transmissions in one cycle; #5, #6, #7, #8 represent four-antenna transmis...

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Abstract

The invention discloses a method for transmitting the antenna information of a physical broadcast channel and is applied in a wireless communication system, and according to the transmission antenna number of the physical broadcast channel and which time the current sending belongs to in a period, a sending end selects a corresponding scrambling sequence for implementing the scrambling of original information bits, generates a cyclical redundancy check (CRC) code, and sends out the CRC code together with the data; wherein, two antennas and four antennas are corresponding to different scrambling sequences. The method of the invention can well detect the antenna information of the physical broadcast channel and is characterized in that the two situations with two antennas and four antennas are well differentiated, thus ensuring the decoding performance of other physical channels.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a method for transmitting antenna information of a physical broadcast channel. Background technique [0002] As shown in FIG. 1 , it is a schematic diagram of an LTE (Long Term Evolution) system frame structure. In the LTE system, a 10ms radio frame is divided into two half frames, each half frame is divided into 10 time slots with a length of 0.5ms, and two time slots form a subframe with a length of 1ms, and a half frame contains 5 subframes. frame. [0003] As shown in FIG. 2 , it is a schematic diagram of sending a physical broadcast channel in an LTE system. The sending period of the physical broadcast channel is 40ms, wherein the physical broadcast channel is sent every 10ms, and within a period, the physical broadcast channel sends the same information each time. In order to achieve accurate timing in a cycle, the LTE standard stipulates that by using different scram...

Claims

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Application Information

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IPC IPC(8): H04L1/00H04L1/06H04B7/04
Inventor 戴博夏树强郝鹏梁春丽
Owner ZTE CORP
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